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v6.18.0
devlink/devlink.c
10 449 строк
277 KB
Ivan Vecera
devlink: fix devlink flash error reporting
30 окт 2025, 03:02
30 окт 2025, 03:02
ab785ef
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * devlink.c Devlink tool * * Authors: Jiri Pirko <jiri@mellanox.com> */ #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <stdbool.h> #include <unistd.h> #include <getopt.h> #include <limits.h> #include <errno.h> #include <inttypes.h> #include <signal.h> #include <time.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/sysinfo.h> #define _LINUX_SYSINFO_H /* avoid collision with musl header */ #include <linux/genetlink.h> #include <linux/devlink.h> #include <linux/netlink.h> #include <linux/net_namespace.h> #include <libmnl/libmnl.h> #include <netinet/ether.h> #include <sys/select.h> #include <sys/socket.h> #include <sys/types.h> #include <sys/time.h> #include <rt_names.h> #include "version.h" #include "list.h" #include "mnlg.h" #include "mnl_utils.h" #include "json_print.h" #include "utils.h" #include "namespace.h" #include "libnetlink.h" #include "../ip/ip_common.h" #define ESWITCH_MODE_LEGACY "legacy" #define ESWITCH_MODE_SWITCHDEV "switchdev" #define ESWITCH_INLINE_MODE_NONE "none" #define ESWITCH_INLINE_MODE_LINK "link" #define ESWITCH_INLINE_MODE_NETWORK "network" #define ESWITCH_INLINE_MODE_TRANSPORT "transport" #define ESWITCH_ENCAP_MODE_NONE "none" #define ESWITCH_ENCAP_MODE_BASIC "basic" #define PARAM_CMODE_RUNTIME_STR "runtime" #define PARAM_CMODE_DRIVERINIT_STR "driverinit" #define PARAM_CMODE_PERMANENT_STR "permanent" #define DL_ARGS_REQUIRED_MAX_ERR_LEN 80 #define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy" #define HEALTH_REPORTER_STATE_ERROR_STR "error" #define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80 static int g_new_line_count; static int g_indent_level; static bool g_indent_newline; static bool g_err_suspended; #define INDENT_STR_STEP 2 #define INDENT_STR_MAXLEN 32 static char g_indent_str[INDENT_STR_MAXLEN + 1] = ""; static void __attribute__((format(printf, 1, 2))) pr_err(const char *fmt, ...) { va_list ap; if (g_err_suspended) return; va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); } static void __attribute__((format(printf, 1, 2))) pr_out(const char *fmt, ...) { va_list ap; if (g_indent_newline) { printf("%s", g_indent_str); g_indent_newline = false; } va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); g_new_line_count = 0; } static void __attribute__((format(printf, 2, 3))) pr_out_sp(unsigned int num, const char *fmt, ...) { va_list ap; int ret; va_start(ap, fmt); ret = vprintf(fmt, ap); va_end(ap); if (ret < num) printf("%*s", num - ret, ""); g_new_line_count = 0; \ } static void __attribute__((format(printf, 1, 2))) pr_out_tty(const char *fmt, ...) { va_list ap; if (!isatty(STDOUT_FILENO)) return; va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); } static void __pr_out_indent_inc(void) { if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN) return; g_indent_level += INDENT_STR_STEP; memset(g_indent_str, ' ', sizeof(g_indent_str)); g_indent_str[g_indent_level] = '\0'; } static void __pr_out_indent_dec(void) { if (g_indent_level - INDENT_STR_STEP < 0) return; g_indent_level -= INDENT_STR_STEP; g_indent_str[g_indent_level] = '\0'; } static void __pr_out_newline(void) { if (g_new_line_count < 1) { pr_out("\n"); g_indent_newline = true; } g_new_line_count++; } static void dummy_signal_handler(int signum) { } static int _mnlg_socket_recv_run_intr(struct mnlu_gen_socket *nlg, mnl_cb_t data_cb, void *data) { struct sigaction act, oact; int err; act.sa_handler = dummy_signal_handler; sigemptyset(&act.sa_mask); act.sa_flags = SA_NODEFER; sigaction(SIGINT, &act, &oact); err = mnlu_gen_socket_recv_run(nlg, data_cb, data); sigaction(SIGINT, &oact, NULL); if (err < 0 && errno != EINTR) { pr_err("devlink answers: %s\n", strerror(errno)); return -errno; } return 0; } static int _mnlg_socket_send(struct mnlu_gen_socket *nlg, const struct nlmsghdr *nlh) { int err; err = mnlg_socket_send(nlg, nlh); if (err < 0) { pr_err("Failed to call mnlg_socket_send\n"); return -errno; } return 0; } static int _mnlg_socket_group_add(struct mnlu_gen_socket *nlg, const char *group_name) { int err; err = mnlg_socket_group_add(nlg, group_name); if (err < 0) { pr_err("Failed to call mnlg_socket_group_add\n"); return -errno; } return 0; } struct ifname_map { struct list_head list; char *bus_name; char *dev_name; uint32_t port_index; char *ifname; }; static void ifname_map_free(struct ifname_map *ifname_map) { free(ifname_map->ifname); free(ifname_map->dev_name); free(ifname_map->bus_name); free(ifname_map); } static struct ifname_map *ifname_map_alloc(const char *bus_name, const char *dev_name, uint32_t port_index, const char *ifname) { struct ifname_map *ifname_map; ifname_map = calloc(1, sizeof(*ifname_map)); if (!ifname_map) return NULL; ifname_map->bus_name = strdup(bus_name); ifname_map->dev_name = strdup(dev_name); ifname_map->port_index = port_index; ifname_map->ifname = strdup(ifname); if (!ifname_map->bus_name || !ifname_map->dev_name || !ifname_map->ifname) { ifname_map_free(ifname_map); return NULL; } return ifname_map; } static int ifname_map_update(struct ifname_map *ifname_map, const char *ifname) { char *new_ifname; new_ifname = strdup(ifname); if (!new_ifname) return -ENOMEM; free(ifname_map->ifname); ifname_map->ifname = new_ifname; return 0; } #define DL_OPT_HANDLE BIT(0) #define DL_OPT_HANDLEP BIT(1) #define DL_OPT_PORT_TYPE BIT(2) #define DL_OPT_PORT_COUNT BIT(3) #define DL_OPT_SB BIT(4) #define DL_OPT_SB_POOL BIT(5) #define DL_OPT_SB_SIZE BIT(6) #define DL_OPT_SB_TYPE BIT(7) #define DL_OPT_SB_THTYPE BIT(8) #define DL_OPT_SB_TH BIT(9) #define DL_OPT_SB_TC BIT(10) #define DL_OPT_ESWITCH_MODE BIT(11) #define DL_OPT_ESWITCH_INLINE_MODE BIT(12) #define DL_OPT_DPIPE_TABLE_NAME BIT(13) #define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14) #define DL_OPT_ESWITCH_ENCAP_MODE BIT(15) #define DL_OPT_RESOURCE_PATH BIT(16) #define DL_OPT_RESOURCE_SIZE BIT(17) #define DL_OPT_PARAM_NAME BIT(18) #define DL_OPT_PARAM_VALUE BIT(19) #define DL_OPT_PARAM_CMODE BIT(20) #define DL_OPT_HANDLE_REGION BIT(21) #define DL_OPT_REGION_SNAPSHOT_ID BIT(22) #define DL_OPT_REGION_ADDRESS BIT(23) #define DL_OPT_REGION_LENGTH BIT(24) #define DL_OPT_FLASH_FILE_NAME BIT(25) #define DL_OPT_FLASH_COMPONENT BIT(26) #define DL_OPT_HEALTH_REPORTER_NAME BIT(27) #define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(28) #define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(29) #define DL_OPT_TRAP_NAME BIT(30) #define DL_OPT_TRAP_ACTION BIT(31) #define DL_OPT_TRAP_GROUP_NAME BIT(32) #define DL_OPT_NETNS BIT(33) #define DL_OPT_TRAP_POLICER_ID BIT(34) #define DL_OPT_TRAP_POLICER_RATE BIT(35) #define DL_OPT_TRAP_POLICER_BURST BIT(36) #define DL_OPT_HEALTH_REPORTER_AUTO_DUMP BIT(37) #define DL_OPT_PORT_FUNCTION_HW_ADDR BIT(38) #define DL_OPT_FLASH_OVERWRITE BIT(39) #define DL_OPT_RELOAD_ACTION BIT(40) #define DL_OPT_RELOAD_LIMIT BIT(41) #define DL_OPT_PORT_FLAVOUR BIT(42) #define DL_OPT_PORT_PFNUMBER BIT(43) #define DL_OPT_PORT_SFNUMBER BIT(44) #define DL_OPT_PORT_FUNCTION_STATE BIT(45) #define DL_OPT_PORT_CONTROLLER BIT(46) #define DL_OPT_PORT_FN_RATE_TYPE BIT(47) #define DL_OPT_PORT_FN_RATE_TX_SHARE BIT(48) #define DL_OPT_PORT_FN_RATE_TX_MAX BIT(49) #define DL_OPT_PORT_FN_RATE_NODE_NAME BIT(50) #define DL_OPT_PORT_FN_RATE_PARENT BIT(51) #define DL_OPT_LINECARD BIT(52) #define DL_OPT_LINECARD_TYPE BIT(53) #define DL_OPT_SELFTESTS BIT(54) #define DL_OPT_PORT_FN_RATE_TX_PRIORITY BIT(55) #define DL_OPT_PORT_FN_RATE_TX_WEIGHT BIT(56) #define DL_OPT_PORT_FN_CAPS BIT(57) #define DL_OPT_PORT_FN_MAX_IO_EQS BIT(58) #define DL_OPT_PORT_FN_RATE_TC_BWS BIT(59) struct dl_opts { uint64_t present; /* flags of present items */ char *bus_name; char *dev_name; uint32_t port_index; enum devlink_port_type port_type; uint32_t port_count; uint32_t sb_index; uint16_t sb_pool_index; uint32_t sb_pool_size; enum devlink_sb_pool_type sb_pool_type; enum devlink_sb_threshold_type sb_pool_thtype; uint32_t sb_threshold; uint16_t sb_tc_index; enum devlink_eswitch_mode eswitch_mode; enum devlink_eswitch_inline_mode eswitch_inline_mode; const char *dpipe_table_name; bool dpipe_counters_enabled; enum devlink_eswitch_encap_mode eswitch_encap_mode; const char *resource_path; __u64 resource_size; uint32_t resource_id; bool resource_id_valid; const char *param_name; const char *param_value; enum devlink_param_cmode cmode; char *region_name; uint32_t region_snapshot_id; __u64 region_address; __u64 region_length; const char *flash_file_name; const char *flash_component; const char *reporter_name; __u64 reporter_graceful_period; bool reporter_auto_recover; bool reporter_auto_dump; const char *trap_name; const char *trap_group_name; enum devlink_trap_action trap_action; bool netns_is_pid; uint32_t netns; uint32_t trap_policer_id; __u64 trap_policer_rate; __u64 trap_policer_burst; char port_function_hw_addr[MAX_ADDR_LEN]; uint32_t port_function_hw_addr_len; uint32_t overwrite_mask; enum devlink_reload_action reload_action; enum devlink_reload_limit reload_limit; uint32_t port_controller; uint32_t port_sfnumber; uint16_t port_flavour; uint16_t port_pfnumber; uint8_t port_fn_state; uint16_t rate_type; uint64_t rate_tx_share; uint64_t rate_tx_max; uint32_t rate_tx_priority; uint32_t rate_tx_weight; char *rate_node_name; const char *rate_parent_node; uint32_t rate_tc_bw[DEVLINK_RATE_TCS_MAX]; uint32_t linecard_index; const char *linecard_type; bool selftests_opt[DEVLINK_ATTR_SELFTEST_ID_MAX + 1]; struct nla_bitfield32 port_fn_caps; uint32_t port_fn_max_io_eqs; }; struct dl { struct mnlu_gen_socket nlg; struct list_head ifname_map_list; int argc; char **argv; char *handle_argv; bool no_nice_names; struct dl_opts opts; bool json_output; bool pretty_output; bool verbose; bool stats; bool hex; bool use_iec; bool map_loaded; struct { bool present; char *bus_name; char *dev_name; uint32_t port_index; } arr_last; }; static int dl_argc(struct dl *dl) { return dl->argc; } static char *dl_argv(struct dl *dl) { if (dl_argc(dl) == 0) return NULL; return *dl->argv; } static void dl_arg_inc(struct dl *dl) { if (dl_argc(dl) == 0) return; dl->argc--; dl->argv++; } static void dl_arg_dec(struct dl *dl) { dl->argc++; dl->argv--; } static char *dl_argv_next(struct dl *dl) { char *ret; if (dl_argc(dl) == 0) return NULL; ret = *dl->argv; dl_arg_inc(dl); return ret; } static char *dl_argv_index(struct dl *dl, unsigned int index) { if (index >= dl_argc(dl)) return NULL; return dl->argv[index]; } static int strcmpx(const char *str1, const char *str2) { if (strlen(str1) > strlen(str2)) return -1; return strncmp(str1, str2, strlen(str1)); } static bool dl_argv_match(struct dl *dl, const char *pattern) { if (dl_argc(dl) == 0) return false; return strcmpx(dl_argv(dl), pattern) == 0; } static bool dl_no_arg(struct dl *dl) { return dl_argc(dl) == 0; } static void __pr_out_indent_newline(struct dl *dl) { if (!g_indent_newline && !dl->json_output) pr_out(" "); } static bool is_binary_eol(int i) { return !(i%16); } static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len) { int i = 0; while (i < len) { if (dl->json_output) print_int(PRINT_JSON, NULL, NULL, data[i]); else pr_out("%02x ", data[i]); i++; if (!dl->json_output && is_binary_eol(i)) __pr_out_newline(); } if (!dl->json_output && !is_binary_eol(i)) __pr_out_newline(); } static void pr_out_name(struct dl *dl, const char *name) { __pr_out_indent_newline(dl); if (dl->json_output) print_string(PRINT_JSON, name, NULL, NULL); else pr_out("%s:", name); } static void pr_out_u64(struct dl *dl, const char *name, uint64_t val) { __pr_out_indent_newline(dl); if (val == (uint64_t) -1) return print_string_name_value(name, "unlimited"); if (dl->json_output) print_u64(PRINT_JSON, name, NULL, val); else pr_out("%s %"PRIu64, name, val); } static void pr_out_section_start(struct dl *dl, const char *name) { if (dl->json_output) { open_json_object(NULL); open_json_object(name); } } static void pr_out_section_end(struct dl *dl) { if (dl->json_output) { if (dl->arr_last.present) close_json_array(PRINT_JSON, NULL); close_json_object(); close_json_object(); } } static void pr_out_array_start(struct dl *dl, const char *name) { if (dl->json_output) { open_json_array(PRINT_JSON, name); } else { __pr_out_indent_inc(); __pr_out_newline(); pr_out("%s:", name); __pr_out_indent_inc(); __pr_out_newline(); } } static void pr_out_array_end(struct dl *dl) { if (dl->json_output) { close_json_array(PRINT_JSON, NULL); } else { __pr_out_indent_dec(); __pr_out_indent_dec(); } } static void pr_out_object_start(struct dl *dl, const char *name) { if (dl->json_output) { open_json_object(name); } else { __pr_out_indent_inc(); __pr_out_newline(); pr_out("%s:", name); __pr_out_indent_inc(); __pr_out_newline(); } } static void pr_out_object_end(struct dl *dl) { if (dl->json_output) { close_json_object(); } else { __pr_out_indent_dec(); __pr_out_indent_dec(); } } static void pr_out_entry_start(struct dl *dl) { if (dl->json_output) open_json_object(NULL); } static void pr_out_entry_end(struct dl *dl) { if (dl->json_output) close_json_object(); else __pr_out_newline(); } static void check_indent_newline(struct dl *dl) { __pr_out_indent_newline(dl); if (g_indent_newline && !is_json_context()) { printf("%s", g_indent_str); g_indent_newline = false; } g_new_line_count = 0; } static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = { [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING, [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING, [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32, [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16, [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16, [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32, [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING, [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING, [DEVLINK_ATTR_PORT_LANES] = MNL_TYPE_U32, [DEVLINK_ATTR_PORT_SPLITTABLE] = MNL_TYPE_U8, [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32, [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32, [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8, [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32, [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8, [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32, [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16, [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32, [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32, [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16, [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8, [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8, [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64, [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8, [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64, [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64, [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8, [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED, [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32, [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32, [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED, [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8, [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED, [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED, [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8, [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64, [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED, [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32, [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED, [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY, [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64, [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64, [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING, [DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] = MNL_TYPE_STRING, [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED, [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED, [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED, [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING, [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED, [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8, [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64, [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64, [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64, [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64, [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = MNL_TYPE_STRING, [DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG] = MNL_TYPE_STRING, [DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE] = MNL_TYPE_U64, [DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL] = MNL_TYPE_U64, [DEVLINK_ATTR_STATS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_TRAP_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_TRAP_ACTION] = MNL_TYPE_U8, [DEVLINK_ATTR_TRAP_TYPE] = MNL_TYPE_U8, [DEVLINK_ATTR_TRAP_GENERIC] = MNL_TYPE_FLAG, [DEVLINK_ATTR_TRAP_METADATA] = MNL_TYPE_NESTED, [DEVLINK_ATTR_TRAP_GROUP_NAME] = MNL_TYPE_STRING, [DEVLINK_ATTR_RELOAD_FAILED] = MNL_TYPE_U8, [DEVLINK_ATTR_DEV_STATS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_RELOAD_STATS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_RELOAD_STATS_ENTRY] = MNL_TYPE_NESTED, [DEVLINK_ATTR_RELOAD_ACTION] = MNL_TYPE_U8, [DEVLINK_ATTR_RELOAD_STATS_LIMIT] = MNL_TYPE_U8, [DEVLINK_ATTR_RELOAD_STATS_VALUE] = MNL_TYPE_U32, [DEVLINK_ATTR_REMOTE_RELOAD_STATS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_RELOAD_ACTION_INFO] = MNL_TYPE_NESTED, [DEVLINK_ATTR_RELOAD_ACTION_STATS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_TRAP_POLICER_ID] = MNL_TYPE_U32, [DEVLINK_ATTR_TRAP_POLICER_RATE] = MNL_TYPE_U64, [DEVLINK_ATTR_TRAP_POLICER_BURST] = MNL_TYPE_U64, [DEVLINK_ATTR_LINECARD_INDEX] = MNL_TYPE_U32, [DEVLINK_ATTR_LINECARD_STATE] = MNL_TYPE_U8, [DEVLINK_ATTR_LINECARD_TYPE] = MNL_TYPE_STRING, [DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES] = MNL_TYPE_NESTED, [DEVLINK_ATTR_NESTED_DEVLINK] = MNL_TYPE_NESTED, [DEVLINK_ATTR_SELFTESTS] = MNL_TYPE_NESTED, [DEVLINK_ATTR_NETNS_ID] = MNL_TYPE_U32, }; static const enum mnl_attr_data_type devlink_stats_policy[DEVLINK_ATTR_STATS_MAX + 1] = { [DEVLINK_ATTR_STATS_RX_PACKETS] = MNL_TYPE_U64, [DEVLINK_ATTR_STATS_RX_BYTES] = MNL_TYPE_U64, [DEVLINK_ATTR_STATS_RX_DROPPED] = MNL_TYPE_U64, }; static int attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, devlink_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static int attr_stats_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; /* Allow the tool to work on top of newer kernels that might contain * more attributes. */ if (mnl_attr_type_valid(attr, DEVLINK_ATTR_STATS_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, devlink_stats_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static const enum mnl_attr_data_type devlink_function_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = { [DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR ] = MNL_TYPE_BINARY, [DEVLINK_PORT_FN_ATTR_STATE] = MNL_TYPE_U8, [DEVLINK_PORT_FN_ATTR_DEVLINK] = MNL_TYPE_NESTED, [DEVLINK_PORT_FN_ATTR_MAX_IO_EQS] = MNL_TYPE_U32, }; static int function_attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; /* Allow the tool to work on top of newer kernels that might contain * more attributes. */ if (mnl_attr_type_valid(attr, DEVLINK_PORT_FUNCTION_ATTR_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, devlink_function_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static int ifname_map_add(struct dl *dl, const char *ifname, const char *bus_name, const char *dev_name, uint32_t port_index) { struct ifname_map *ifname_map; ifname_map = ifname_map_alloc(bus_name, dev_name, port_index, ifname); if (!ifname_map) return -ENOMEM; list_add(&ifname_map->list, &dl->ifname_map_list); return 0; } static void ifname_map_del(struct ifname_map *ifname_map) { list_del(&ifname_map->list); ifname_map_free(ifname_map); } static int ifname_map_rtnl_port_parse(struct dl *dl, const char *ifname, struct rtattr *nest) { struct rtattr *tb[DEVLINK_ATTR_MAX + 1]; const char *bus_name; const char *dev_name; uint32_t port_index; parse_rtattr_nested(tb, DEVLINK_ATTR_MAX, nest); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) return -ENOENT; bus_name = rta_getattr_str(tb[DEVLINK_ATTR_BUS_NAME]); dev_name = rta_getattr_str(tb[DEVLINK_ATTR_DEV_NAME]); port_index = rta_getattr_u32(tb[DEVLINK_ATTR_PORT_INDEX]); return ifname_map_add(dl, ifname, bus_name, dev_name, port_index); } static int ifname_map_rtnl_init(struct dl *dl, const char *ifname) { struct iplink_req req = { .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), .n.nlmsg_flags = NLM_F_REQUEST, .n.nlmsg_type = RTM_GETLINK, .i.ifi_family = AF_UNSPEC, }; struct rtattr *tb[IFLA_MAX + 1]; struct rtnl_handle rth; struct ifinfomsg *ifi; struct nlmsghdr *n = NULL; int len; int err; if (rtnl_open(&rth, 0) < 0) { pr_err("Cannot open rtnetlink\n"); return -EINVAL; } addattr_l(&req.n, sizeof(req), !check_ifname(ifname) ? IFLA_IFNAME : IFLA_ALT_IFNAME, ifname, strlen(ifname) + 1); if (rtnl_talk(&rth, &req.n, &n) < 0) { err = -EINVAL; goto out; } if (n->nlmsg_type != RTM_NEWLINK) { err = -EINVAL; goto out; } ifi = NLMSG_DATA(n); len = n->nlmsg_len; len -= NLMSG_LENGTH(sizeof(*ifi)); if (len < 0) { err = -EINVAL; goto out; } parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(ifi), len, NLA_F_NESTED); if (!tb[IFLA_DEVLINK_PORT]) { err = -EOPNOTSUPP; goto out; } err = ifname_map_rtnl_port_parse(dl, ifname, tb[IFLA_DEVLINK_PORT]); out: free(n); rtnl_close(&rth); return err; } static int ifname_map_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct dl *dl = data; const char *bus_name; const char *dev_name; uint32_t port_index; const char *port_ifname; int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) return MNL_CB_ERROR; if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) return MNL_CB_OK; bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]); err = ifname_map_add(dl, port_ifname, bus_name, dev_name, port_index); if (err) return MNL_CB_ERROR; return MNL_CB_OK; } static void ifname_map_fini(struct dl *dl) { struct ifname_map *ifname_map, *tmp; list_for_each_entry_safe(ifname_map, tmp, &dl->ifname_map_list, list) { ifname_map_del(ifname_map); } } static void ifname_map_init(struct dl *dl) { INIT_LIST_HEAD(&dl->ifname_map_list); } static int ifname_map_load(struct dl *dl, const char *ifname) { struct mnlu_gen_socket nlg_map; struct nlmsghdr *nlh; int err; if (ifname) { err = ifname_map_rtnl_init(dl, ifname); if (!err) return 0; /* In case kernel does not support devlink port info passed over * RT netlink, fall-back to ports dump. */ } err = mnlu_gen_socket_open(&nlg_map, DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&nlg_map, DEVLINK_CMD_PORT_GET, NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); err = mnlu_gen_socket_sndrcv(&nlg_map, nlh, ifname_map_cb, dl); if (err) ifname_map_fini(dl); mnlu_gen_socket_close(&nlg_map); return err; } static int ifname_map_check_load(struct dl *dl, const char *ifname) { int err; if (dl->map_loaded) return 0; err = ifname_map_load(dl, ifname); if (err) { pr_err("Failed to create index map\n"); return err; } dl->map_loaded = true; return 0; } static int ifname_map_lookup(struct dl *dl, const char *ifname, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index) { struct ifname_map *ifname_map; int err; err = ifname_map_check_load(dl, ifname); if (err) return err; list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { if (strcmp(ifname, ifname_map->ifname) == 0) { *p_bus_name = ifname_map->bus_name; *p_dev_name = ifname_map->dev_name; *p_port_index = ifname_map->port_index; return 0; } } return -ENOENT; } static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index, const char **p_ifname) { struct ifname_map *ifname_map; int err; err = ifname_map_check_load(dl, NULL); if (err) return err; list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { if (strcmp(bus_name, ifname_map->bus_name) == 0 && strcmp(dev_name, ifname_map->dev_name) == 0 && port_index == ifname_map->port_index) { /* In case non-NULL ifname is passed, update the * looked-up entry. */ if (*p_ifname) return ifname_map_update(ifname_map, *p_ifname); *p_ifname = ifname_map->ifname; return 0; } } return -ENOENT; } static int strtobool(const char *str, bool *p_val) { bool val; if (!strcmp(str, "true") || !strcmp(str, "1") || !strcmp(str, "enable")) val = true; else if (!strcmp(str, "false") || !strcmp(str, "0") || !strcmp(str, "disable")) val = false; else return -EINVAL; *p_val = val; return 0; } static int ident_str_validate(char *str, unsigned int expected) { if (!str) return -ENOENT; if (get_str_char_count(str, '/') != expected) { pr_err("Wrong identification string format.\n"); return -EINVAL; } return 0; } static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name) { int err; err = str_split_by_char(str, p_bus_name, p_dev_name, '/'); if (err) { pr_err("Devlink identification (\"bus_name/dev_name\") \"%s\" is invalid\n", str); return err; } return 0; } static int dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name) { int err; err = ident_str_validate(str, 1); if (err) { pr_err("Devlink identification (\"bus_name/dev_name\") expected\n"); return err; } return __dl_argv_handle(str, p_bus_name, p_dev_name); } static int __dl_argv_handle_port(char *str, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index) { char *handlestr; char *portstr; int err; err = str_split_by_char(str, &handlestr, &portstr, '/'); if (err) { pr_err("Port identification \"%s\" is invalid\n", str); return err; } err = get_u32(p_port_index, portstr, 10); if (err) { pr_err("Port index \"%s\" is not a number or not within range\n", portstr); return err; } err = str_split_by_char(handlestr, p_bus_name, p_dev_name, '/'); if (err) { pr_err("Port identification \"%s\" is invalid\n", str); return err; } return 0; } static int __dl_argv_handle_port_ifname(struct dl *dl, char *str, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index) { int err; err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name, p_port_index); if (err) { pr_err("Netdevice \"%s\" not found\n", str); return err; } return 0; } static int dl_argv_handle_port(struct dl *dl, char *str, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index) { unsigned int slash_count; if (!str) { pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n"); return -ENOENT; } slash_count = get_str_char_count(str, '/'); switch (slash_count) { case 0: return __dl_argv_handle_port_ifname(dl, str, p_bus_name, p_dev_name, p_port_index); case 2: return __dl_argv_handle_port(str, p_bus_name, p_dev_name, p_port_index); default: pr_err("Wrong port identification string format.\n"); pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); return -EINVAL; } } static int dl_argv_handle_both(struct dl *dl, char *str, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index, uint64_t *p_handle_bit) { unsigned int slash_count; int err; if (!str) { pr_err("One of following identifications expected:\n" "Devlink identification (\"bus_name/dev_name\")\n" "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n"); return -ENOENT; } slash_count = get_str_char_count(str, '/'); if (slash_count == 1) { err = __dl_argv_handle(str, p_bus_name, p_dev_name); if (err) return err; *p_handle_bit = DL_OPT_HANDLE; } else if (slash_count == 2) { err = __dl_argv_handle_port(str, p_bus_name, p_dev_name, p_port_index); if (err) return err; *p_handle_bit = DL_OPT_HANDLEP; } else if (slash_count == 0) { err = __dl_argv_handle_port_ifname(dl, str, p_bus_name, p_dev_name, p_port_index); if (err) return err; *p_handle_bit = DL_OPT_HANDLEP; } else { pr_err("Wrong port identification string format.\n"); pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); return -EINVAL; } return 0; } static int __dl_argv_handle_name(char *str, char **p_bus_name, char **p_dev_name, char **p_name) { char *handlestr; int err; err = str_split_by_char(str, &handlestr, p_name, '/'); if (err) return err; return str_split_by_char(handlestr, p_bus_name, p_dev_name, '/'); } static int dl_argv_handle_region(char *str, char **p_bus_name, char **p_dev_name, char **p_region) { int err; err = ident_str_validate(str, 2); if (err) { pr_err("Expected \"bus_name/dev_name/region\" identification.\n"); return err; } err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, p_region); if (err) pr_err("Region identification \"%s\" is invalid\n", str); return err; } static int dl_argv_handle_rate_node(char *str, char **p_bus_name, char **p_dev_name, char **p_node) { int err; err = ident_str_validate(str, 2); if (err) { pr_err("Expected \"bus_name/dev_name/node\" identification.\n"); return err; } err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, p_node); if (err) { pr_err("Node identification \"%s\" is invalid\n", str); return err; } if (!**p_node || strspn(*p_node, "0123456789") == strlen(*p_node)) { err = -EINVAL; pr_err("Node name cannot be a devlink port index or empty.\n"); } return err; } static int dl_argv_handle_rate(char *str, char **p_bus_name, char **p_dev_name, uint32_t *p_port_index, char **p_node_name, uint64_t *p_handle_bit) { char *identifier; int err; err = ident_str_validate(str, 2); if (err) { pr_err("Expected \"bus_name/dev_name/node\" or " "\"bus_name/dev_name/port_index\" identification.\n"); return err; } err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, &identifier); if (err) { pr_err("Identification \"%s\" is invalid\n", str); return err; } if (!*identifier) { pr_err("Identifier cannot be empty"); return -EINVAL; } if (strspn(identifier, "0123456789") == strlen(identifier)) { err = get_u32(p_port_index, identifier, 10); if (err) { pr_err("Port index \"%s\" is not a number" " or not within range\n", identifier); return err; } *p_handle_bit = DL_OPT_HANDLEP; } else { *p_handle_bit = DL_OPT_PORT_FN_RATE_NODE_NAME; *p_node_name = identifier; } return 0; } static int dl_argv_uint64_t(struct dl *dl, __u64 *p_val) { char *str = dl_argv_next(dl); int err; if (!str) { pr_err("Unsigned number argument expected\n"); return -EINVAL; } err = get_u64(p_val, str, 10); if (err) { pr_err("\"%s\" is not a number or not within range\n", str); return err; } return 0; } static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val) { char *str = dl_argv_next(dl); int err; if (!str) { pr_err("Unsigned number argument expected\n"); return -EINVAL; } err = get_u32(p_val, str, 10); if (err) { pr_err("\"%s\" is not a number or not within range\n", str); return err; } return 0; } static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val) { char *str = dl_argv_next(dl); int err; if (!str) { pr_err("Unsigned number argument expected\n"); return -EINVAL; } err = get_u16(p_val, str, 10); if (err) { pr_err("\"%s\" is not a number or not within range\n", str); return err; } return 0; } static int dl_argv_bool(struct dl *dl, bool *p_val) { char *str = dl_argv_next(dl); int err; if (!str) { pr_err("Boolean argument expected\n"); return -EINVAL; } err = strtobool(str, p_val); if (err) { pr_err("\"%s\" is not a valid boolean value\n", str); return err; } return 0; } static int dl_argv_str(struct dl *dl, const char **p_str) { const char *str = dl_argv_next(dl); if (!str) { pr_err("String parameter expected\n"); return -EINVAL; } *p_str = str; return 0; } static int port_type_get(const char *typestr, enum devlink_port_type *p_type) { if (strcmp(typestr, "auto") == 0) { *p_type = DEVLINK_PORT_TYPE_AUTO; } else if (strcmp(typestr, "eth") == 0) { *p_type = DEVLINK_PORT_TYPE_ETH; } else if (strcmp(typestr, "ib") == 0) { *p_type = DEVLINK_PORT_TYPE_IB; } else { pr_err("Unknown port type \"%s\"\n", typestr); return -EINVAL; } return 0; } static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type) { if (strcmp(typestr, "ingress") == 0) { *p_type = DEVLINK_SB_POOL_TYPE_INGRESS; } else if (strcmp(typestr, "egress") == 0) { *p_type = DEVLINK_SB_POOL_TYPE_EGRESS; } else { pr_err("Unknown pool type \"%s\"\n", typestr); return -EINVAL; } return 0; } static int threshold_type_get(const char *typestr, enum devlink_sb_threshold_type *p_type) { if (strcmp(typestr, "static") == 0) { *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC; } else if (strcmp(typestr, "dynamic") == 0) { *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC; } else { pr_err("Unknown threshold type \"%s\"\n", typestr); return -EINVAL; } return 0; } static int eswitch_mode_get(const char *typestr, enum devlink_eswitch_mode *p_mode) { if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) { *p_mode = DEVLINK_ESWITCH_MODE_LEGACY; } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) { *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; } else { pr_err("Unknown eswitch mode \"%s\"\n", typestr); return -EINVAL; } return 0; } static int eswitch_inline_mode_get(const char *typestr, enum devlink_eswitch_inline_mode *p_mode) { if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) { *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE; } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) { *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK; } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) { *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK; } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) { *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT; } else { pr_err("Unknown eswitch inline mode \"%s\"\n", typestr); return -EINVAL; } return 0; } static int eswitch_encap_mode_get(const char *typestr, enum devlink_eswitch_encap_mode *p_encap_mode) { /* The initial implementation incorrectly accepted "enable"/"disable". * Carry it to maintain backward compatibility. */ if (strcmp(typestr, "disable") == 0 || strcmp(typestr, ESWITCH_ENCAP_MODE_NONE) == 0) { *p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_NONE; } else if (strcmp(typestr, "enable") == 0 || strcmp(typestr, ESWITCH_ENCAP_MODE_BASIC) == 0) { *p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_BASIC; } else { pr_err("Unknown eswitch encap mode \"%s\"\n", typestr); return -EINVAL; } return 0; } static int flash_overwrite_section_get(const char *sectionstr, uint32_t *mask) { if (strcmp(sectionstr, "settings") == 0) { *mask |= DEVLINK_FLASH_OVERWRITE_SETTINGS; } else if (strcmp(sectionstr, "identifiers") == 0) { *mask |= DEVLINK_FLASH_OVERWRITE_IDENTIFIERS; } else { pr_err("Unknown overwrite section \"%s\"\n", sectionstr); return -EINVAL; } return 0; } static int param_cmode_get(const char *cmodestr, enum devlink_param_cmode *cmode) { if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) { *cmode = DEVLINK_PARAM_CMODE_RUNTIME; } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) { *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT; } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) { *cmode = DEVLINK_PARAM_CMODE_PERMANENT; } else { pr_err("Unknown configuration mode \"%s\"\n", cmodestr); return -EINVAL; } return 0; } static int trap_action_get(const char *actionstr, enum devlink_trap_action *p_action) { if (strcmp(actionstr, "drop") == 0) { *p_action = DEVLINK_TRAP_ACTION_DROP; } else if (strcmp(actionstr, "trap") == 0) { *p_action = DEVLINK_TRAP_ACTION_TRAP; } else if (strcmp(actionstr, "mirror") == 0) { *p_action = DEVLINK_TRAP_ACTION_MIRROR; } else { pr_err("Unknown trap action \"%s\"\n", actionstr); return -EINVAL; } return 0; } static int hw_addr_parse(const char *addrstr, char *hw_addr, uint32_t *len) { int alen; alen = ll_addr_a2n(hw_addr, MAX_ADDR_LEN, addrstr); if (alen < 0) return -EINVAL; *len = alen; return 0; } static int reload_action_get(struct dl *dl, const char *actionstr, enum devlink_reload_action *action) { if (strcmp(actionstr, "driver_reinit") == 0) { *action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT; } else if (strcmp(actionstr, "fw_activate") == 0) { *action = DEVLINK_RELOAD_ACTION_FW_ACTIVATE; } else { pr_err("Unknown reload action \"%s\"\n", actionstr); return -EINVAL; } return 0; } static int reload_limit_get(struct dl *dl, const char *limitstr, enum devlink_reload_limit *limit) { if (strcmp(limitstr, "no_reset") == 0) { *limit = DEVLINK_RELOAD_LIMIT_NO_RESET; } else { pr_err("Unknown reload limit \"%s\"\n", limitstr); return -EINVAL; } return 0; } static struct str_num_map port_flavour_map[] = { { .str = "physical", .num = DEVLINK_PORT_FLAVOUR_PHYSICAL }, { .str = "cpu", .num = DEVLINK_PORT_FLAVOUR_CPU }, { .str = "dsa", .num = DEVLINK_PORT_FLAVOUR_DSA }, { .str = "pcipf", .num = DEVLINK_PORT_FLAVOUR_PCI_PF }, { .str = "pcivf", .num = DEVLINK_PORT_FLAVOUR_PCI_VF }, { .str = "pcisf", .num = DEVLINK_PORT_FLAVOUR_PCI_SF }, { .str = "virtual", .num = DEVLINK_PORT_FLAVOUR_VIRTUAL}, { .str = NULL, }, }; static struct str_num_map port_fn_state_map[] = { { .str = "inactive", .num = DEVLINK_PORT_FN_STATE_INACTIVE}, { .str = "active", .num = DEVLINK_PORT_FN_STATE_ACTIVE }, { .str = NULL, } }; static struct str_num_map port_fn_opstate_map[] = { { .str = "attached", .num = DEVLINK_PORT_FN_OPSTATE_ATTACHED}, { .str = "detached", .num = DEVLINK_PORT_FN_OPSTATE_DETACHED}, { .str = NULL, } }; static int selftests_get(const char *selftest_name, bool *selftests_opt) { if (strcmp(selftest_name, "flash") == 0) { selftests_opt[0] = true; } else { pr_err("Unknown selftest \"%s\"\n", selftest_name); return -EINVAL; } return 0; } static int port_flavour_parse(const char *flavour, uint16_t *value) { int num; num = str_map_lookup_str(port_flavour_map, flavour); if (num < 0) { invarg("unknown flavour", flavour); return num; } *value = num; return 0; } static int port_fn_state_parse(const char *statestr, uint8_t *state) { int num; num = str_map_lookup_str(port_fn_state_map, statestr); if (num < 0) { invarg("unknown state", statestr); return num; } *state = num; return 0; } static int port_fn_rate_type_get(const char *typestr, uint16_t *type) { if (!strcmp(typestr, "leaf")) *type = DEVLINK_RATE_TYPE_LEAF; else if (!strcmp(typestr, "node")) *type = DEVLINK_RATE_TYPE_NODE; else return -EINVAL; return 0; } static int port_fn_rate_value_get(struct dl *dl, uint64_t *rate) { const char *ratestr; __u64 rate64; int err; err = dl_argv_str(dl, &ratestr); if (err) return err; err = get_rate64(&rate64, ratestr); if (err) { pr_err("Invalid rate value: \"%s\"\n", ratestr); return -EINVAL; } *rate = rate64; return 0; } struct dl_args_metadata { uint64_t o_flag; char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; }; static const struct dl_args_metadata dl_args_required[] = { {DL_OPT_PORT_TYPE, "Port type not set."}, {DL_OPT_PORT_COUNT, "Port split count option expected."}, {DL_OPT_SB_POOL, "Pool index option expected."}, {DL_OPT_SB_SIZE, "Pool size option expected."}, {DL_OPT_SB_TYPE, "Pool type option expected."}, {DL_OPT_SB_THTYPE, "Pool threshold type option expected."}, {DL_OPT_SB_TH, "Threshold option expected."}, {DL_OPT_SB_TC, "TC index option expected."}, {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."}, {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."}, {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."}, {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."}, {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."}, {DL_OPT_RESOURCE_PATH, "Resource path expected."}, {DL_OPT_RESOURCE_SIZE, "Resource size expected."}, {DL_OPT_PARAM_NAME, "Parameter name expected."}, {DL_OPT_PARAM_VALUE, "Value to set expected."}, {DL_OPT_PARAM_CMODE, "Configuration mode expected."}, {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."}, {DL_OPT_REGION_ADDRESS, "Region address value expected."}, {DL_OPT_REGION_LENGTH, "Region length value expected."}, {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."}, {DL_OPT_TRAP_NAME, "Trap's name is expected."}, {DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."}, {DL_OPT_PORT_FUNCTION_HW_ADDR, "Port function's hardware address is expected."}, {DL_OPT_PORT_FLAVOUR, "Port flavour is expected."}, {DL_OPT_PORT_PFNUMBER, "Port PCI PF number is expected."}, {DL_OPT_LINECARD, "Linecard index expected."}, {DL_OPT_LINECARD_TYPE, "Linecard type expected."}, {DL_OPT_SELFTESTS, "Test name is expected"}, }; static int dl_args_finding_required_validate(uint64_t o_required, uint64_t o_found) { uint64_t o_flag, o_missing = 0; int i, err = 0; for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) { o_flag = dl_args_required[i].o_flag; if ((o_required & o_flag) && !(o_found & o_flag)) { o_missing |= o_flag; pr_err("%s\n", dl_args_required[i].err_msg); err = -ENOENT; } } if (o_required & ~(o_found | o_missing)) { pr_err("BUG: unknown argument required but not found\n"); return -EINVAL; } return err; } static int parse_tc_bw_arg(const char *tc_bw_str, int *tc_index, uint32_t *tc_bw) { char *index, *value, *endptr; char *input = NULL; int err; input = strdup(tc_bw_str); if (!input) return -ENOMEM; err = str_split_by_char(input, &index, &value, ':'); if (err) { pr_err("Invalid format in token: %s\n", input); goto out; } *tc_index = strtoul(index, &endptr, 10); if (endptr && *endptr) { pr_err("Invalid traffic class index: %s\n", index); err = -EINVAL; goto out; } *tc_bw = strtoul(value, &endptr, 10); if (endptr && *endptr) { pr_err("Invalid bandwidth value: %s\n", value); err = -EINVAL; goto out; } out: free(input); return err; } static int parse_tc_bw_args(struct dl *dl, uint32_t *tc_bw) { bool parsed_indices[DEVLINK_RATE_TCS_MAX] = {}; const char *tc_bw_str; int index, err, i; uint32_t bw; memset(tc_bw, 0, sizeof(uint32_t) * DEVLINK_RATE_TCS_MAX); for (i = 0; i < DEVLINK_RATE_TCS_MAX; i++) { err = dl_argv_str(dl, &tc_bw_str); if (err) { fprintf(stderr, "Error parsing tc-bw: example usage: tc-bw 0:60 1:10 2:0 3:0 4:30 5:0 6:0 7:0\n"); return err; } err = parse_tc_bw_arg(tc_bw_str, &index, &bw); if (err) return err; if (index < 0 || index >= DEVLINK_RATE_TCS_MAX) { fprintf(stderr, "Error parsing tc-bw: invalid index: %d, use values between 0 and %d\n", index, DEVLINK_RATE_TC_INDEX_MAX); return -EINVAL; } if (parsed_indices[index]) { fprintf(stderr, "Error parsing tc-bw: duplicate index : %d\n", index); return -EINVAL; } tc_bw[index] = bw; parsed_indices[index] = true; } return 0; } static int dl_argv_parse(struct dl *dl, uint64_t o_required, uint64_t o_optional) { const char *unknown_option = NULL; struct dl_opts *opts = &dl->opts; uint64_t o_all = o_required | o_optional; char *str = dl_argv_next(dl); uint64_t o_found = 0; int err; if (str) { str = strdup(str); if (!str) return -ENOMEM; free(dl->handle_argv); dl->handle_argv = str; } if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) { uint64_t handle_bit; err = dl_argv_handle_both(dl, str, &opts->bus_name, &opts->dev_name, &opts->port_index, &handle_bit); if (err) return err; o_required &= ~(DL_OPT_HANDLE | DL_OPT_HANDLEP) | handle_bit; o_found |= handle_bit; } else if (o_required & DL_OPT_HANDLEP && o_required & DL_OPT_PORT_FN_RATE_NODE_NAME) { uint64_t handle_bit; err = dl_argv_handle_rate(str, &opts->bus_name, &opts->dev_name, &opts->port_index, &opts->rate_node_name, &handle_bit); if (err) return err; o_required &= ~(DL_OPT_HANDLEP | DL_OPT_PORT_FN_RATE_NODE_NAME) | handle_bit; o_found |= handle_bit; } else if (o_required & DL_OPT_HANDLE) { err = dl_argv_handle(str, &opts->bus_name, &opts->dev_name); if (err) return err; o_found |= DL_OPT_HANDLE; } else if (o_required & DL_OPT_HANDLEP) { err = dl_argv_handle_port(dl, str, &opts->bus_name, &opts->dev_name, &opts->port_index); if (err) return err; o_found |= DL_OPT_HANDLEP; } else if (o_required & DL_OPT_HANDLE_REGION) { err = dl_argv_handle_region(str, &opts->bus_name, &opts->dev_name, &opts->region_name); if (err) return err; o_found |= DL_OPT_HANDLE_REGION; } else if (o_required & DL_OPT_PORT_FN_RATE_NODE_NAME) { err = dl_argv_handle_rate_node(str, &opts->bus_name, &opts->dev_name, &opts->rate_node_name); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_NODE_NAME; } while (dl_argc(dl)) { if (dl_argv_match(dl, "type") && (o_all & DL_OPT_PORT_TYPE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = port_type_get(typestr, &opts->port_type); if (err) return err; o_found |= DL_OPT_PORT_TYPE; } else if (dl_argv_match(dl, "count") && (o_all & DL_OPT_PORT_COUNT)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->port_count); if (err) return err; o_found |= DL_OPT_PORT_COUNT; } else if (dl_argv_match(dl, "sb") && (o_all & DL_OPT_SB)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->sb_index); if (err) return err; o_found |= DL_OPT_SB; } else if (dl_argv_match(dl, "pool") && (o_all & DL_OPT_SB_POOL)) { dl_arg_inc(dl); err = dl_argv_uint16_t(dl, &opts->sb_pool_index); if (err) return err; o_found |= DL_OPT_SB_POOL; } else if (dl_argv_match(dl, "size") && (o_all & DL_OPT_SB_SIZE)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->sb_pool_size); if (err) return err; o_found |= DL_OPT_SB_SIZE; } else if (dl_argv_match(dl, "type") && (o_all & DL_OPT_SB_TYPE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = pool_type_get(typestr, &opts->sb_pool_type); if (err) return err; o_found |= DL_OPT_SB_TYPE; } else if (dl_argv_match(dl, "thtype") && (o_all & DL_OPT_SB_THTYPE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = threshold_type_get(typestr, &opts->sb_pool_thtype); if (err) return err; o_found |= DL_OPT_SB_THTYPE; } else if (dl_argv_match(dl, "th") && (o_all & DL_OPT_SB_TH)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->sb_threshold); if (err) return err; o_found |= DL_OPT_SB_TH; } else if (dl_argv_match(dl, "tc") && (o_all & DL_OPT_SB_TC)) { dl_arg_inc(dl); err = dl_argv_uint16_t(dl, &opts->sb_tc_index); if (err) return err; o_found |= DL_OPT_SB_TC; } else if (dl_argv_match(dl, "mode") && (o_all & DL_OPT_ESWITCH_MODE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = eswitch_mode_get(typestr, &opts->eswitch_mode); if (err) return err; o_found |= DL_OPT_ESWITCH_MODE; } else if (dl_argv_match(dl, "inline-mode") && (o_all & DL_OPT_ESWITCH_INLINE_MODE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = eswitch_inline_mode_get( typestr, &opts->eswitch_inline_mode); if (err) return err; o_found |= DL_OPT_ESWITCH_INLINE_MODE; } else if (dl_argv_match(dl, "name") && (o_all & DL_OPT_DPIPE_TABLE_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->dpipe_table_name); if (err) return err; o_found |= DL_OPT_DPIPE_TABLE_NAME; } else if ((dl_argv_match(dl, "counters") || dl_argv_match(dl, "counters_enabled")) && (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) { dl_arg_inc(dl); err = dl_argv_bool(dl, &opts->dpipe_counters_enabled); if (err) return err; o_found |= DL_OPT_DPIPE_TABLE_COUNTERS; } else if ((dl_argv_match(dl, "encap") || /* Original incorrect implementation */ dl_argv_match(dl, "encap-mode")) && (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = eswitch_encap_mode_get(typestr, &opts->eswitch_encap_mode); if (err) return err; o_found |= DL_OPT_ESWITCH_ENCAP_MODE; } else if (dl_argv_match(dl, "path") && (o_all & DL_OPT_RESOURCE_PATH)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->resource_path); if (err) return err; o_found |= DL_OPT_RESOURCE_PATH; } else if (dl_argv_match(dl, "size") && (o_all & DL_OPT_RESOURCE_SIZE)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->resource_size); if (err) return err; o_found |= DL_OPT_RESOURCE_SIZE; } else if (dl_argv_match(dl, "name") && (o_all & DL_OPT_PARAM_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->param_name); if (err) return err; o_found |= DL_OPT_PARAM_NAME; } else if (dl_argv_match(dl, "value") && (o_all & DL_OPT_PARAM_VALUE)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->param_value); if (err) return err; o_found |= DL_OPT_PARAM_VALUE; } else if (dl_argv_match(dl, "cmode") && (o_all & DL_OPT_PARAM_CMODE)) { const char *cmodestr; dl_arg_inc(dl); err = dl_argv_str(dl, &cmodestr); if (err) return err; err = param_cmode_get(cmodestr, &opts->cmode); if (err) return err; o_found |= DL_OPT_PARAM_CMODE; } else if (dl_argv_match(dl, "snapshot") && (o_all & DL_OPT_REGION_SNAPSHOT_ID)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->region_snapshot_id); if (err) return err; o_found |= DL_OPT_REGION_SNAPSHOT_ID; } else if (dl_argv_match(dl, "address") && (o_all & DL_OPT_REGION_ADDRESS)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->region_address); if (err) return err; o_found |= DL_OPT_REGION_ADDRESS; } else if (dl_argv_match(dl, "length") && (o_all & DL_OPT_REGION_LENGTH)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->region_length); if (err) return err; o_found |= DL_OPT_REGION_LENGTH; } else if (dl_argv_match(dl, "file") && (o_all & DL_OPT_FLASH_FILE_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->flash_file_name); if (err) return err; o_found |= DL_OPT_FLASH_FILE_NAME; } else if (dl_argv_match(dl, "component") && (o_all & DL_OPT_FLASH_COMPONENT)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->flash_component); if (err) return err; o_found |= DL_OPT_FLASH_COMPONENT; } else if (dl_argv_match(dl, "overwrite") && (o_all & DL_OPT_FLASH_OVERWRITE)) { const char *sectionstr; dl_arg_inc(dl); err = dl_argv_str(dl, §ionstr); if (err) return err; err = flash_overwrite_section_get(sectionstr, &opts->overwrite_mask); if (err) return err; o_found |= DL_OPT_FLASH_OVERWRITE; } else if (dl_argv_match(dl, "id") && (o_all & DL_OPT_SELFTESTS)) { dl_arg_inc(dl); while (dl_argc(dl)) { const char *selftest_name; err = dl_argv_str(dl, &selftest_name); if (err) return err; err = selftests_get(selftest_name, opts->selftests_opt); if (err) return err; } o_found |= DL_OPT_SELFTESTS; } else if (dl_argv_match(dl, "reporter") && (o_all & DL_OPT_HEALTH_REPORTER_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->reporter_name); if (err) return err; o_found |= DL_OPT_HEALTH_REPORTER_NAME; } else if (dl_argv_match(dl, "grace_period") && (o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->reporter_graceful_period); if (err) return err; o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD; } else if (dl_argv_match(dl, "auto_recover") && (o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) { dl_arg_inc(dl); err = dl_argv_bool(dl, &opts->reporter_auto_recover); if (err) return err; o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER; } else if (dl_argv_match(dl, "auto_dump") && (o_all & DL_OPT_HEALTH_REPORTER_AUTO_DUMP)) { dl_arg_inc(dl); err = dl_argv_bool(dl, &opts->reporter_auto_dump); if (err) return err; o_found |= DL_OPT_HEALTH_REPORTER_AUTO_DUMP; } else if ((dl_argv_match(dl, "trap") || dl_argv_match(dl, "name")) && (o_all & DL_OPT_TRAP_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->trap_name); if (err) return err; o_found |= DL_OPT_TRAP_NAME; } else if ((dl_argv_match(dl, "group") || dl_argv_match(dl, "name")) && (o_all & DL_OPT_TRAP_GROUP_NAME)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->trap_group_name); if (err) return err; o_found |= DL_OPT_TRAP_GROUP_NAME; } else if (dl_argv_match(dl, "action") && (o_all & DL_OPT_TRAP_ACTION)) { const char *actionstr; dl_arg_inc(dl); err = dl_argv_str(dl, &actionstr); if (err) return err; err = trap_action_get(actionstr, &opts->trap_action); if (err) return err; o_found |= DL_OPT_TRAP_ACTION; } else if (dl_argv_match(dl, "netns") && (o_all & DL_OPT_NETNS)) { const char *netns_str; dl_arg_inc(dl); err = dl_argv_str(dl, &netns_str); if (err) return err; opts->netns = netns_get_fd(netns_str); if ((int)opts->netns < 0) { dl_arg_dec(dl); err = dl_argv_uint32_t(dl, &opts->netns); if (err) return err; opts->netns_is_pid = true; } o_found |= DL_OPT_NETNS; } else if (dl_argv_match(dl, "action") && (o_all & DL_OPT_RELOAD_ACTION)) { const char *actionstr; dl_arg_inc(dl); err = dl_argv_str(dl, &actionstr); if (err) return err; err = reload_action_get(dl, actionstr, &opts->reload_action); if (err) return err; o_found |= DL_OPT_RELOAD_ACTION; } else if (dl_argv_match(dl, "limit") && (o_all & DL_OPT_RELOAD_LIMIT)) { const char *limitstr; dl_arg_inc(dl); err = dl_argv_str(dl, &limitstr); if (err) return err; err = reload_limit_get(dl, limitstr, &opts->reload_limit); if (err) return err; o_found |= DL_OPT_RELOAD_LIMIT; } else if (dl_argv_match(dl, "policer") && (o_all & DL_OPT_TRAP_POLICER_ID)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->trap_policer_id); if (err) return err; o_found |= DL_OPT_TRAP_POLICER_ID; } else if (dl_argv_match(dl, "nopolicer") && (o_all & DL_OPT_TRAP_POLICER_ID)) { dl_arg_inc(dl); opts->trap_policer_id = 0; o_found |= DL_OPT_TRAP_POLICER_ID; } else if (dl_argv_match(dl, "rate") && (o_all & DL_OPT_TRAP_POLICER_RATE)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->trap_policer_rate); if (err) return err; o_found |= DL_OPT_TRAP_POLICER_RATE; } else if (dl_argv_match(dl, "burst") && (o_all & DL_OPT_TRAP_POLICER_BURST)) { dl_arg_inc(dl); err = dl_argv_uint64_t(dl, &opts->trap_policer_burst); if (err) return err; o_found |= DL_OPT_TRAP_POLICER_BURST; } else if (dl_argv_match(dl, "hw_addr") && (o_all & DL_OPT_PORT_FUNCTION_HW_ADDR)) { const char *addrstr; dl_arg_inc(dl); err = dl_argv_str(dl, &addrstr); if (err) return err; err = hw_addr_parse(addrstr, opts->port_function_hw_addr, &opts->port_function_hw_addr_len); if (err) return err; o_found |= DL_OPT_PORT_FUNCTION_HW_ADDR; } else if (dl_argv_match(dl, "state") && (o_all & DL_OPT_PORT_FUNCTION_STATE)) { const char *statestr; dl_arg_inc(dl); err = dl_argv_str(dl, &statestr); if (err) return err; err = port_fn_state_parse(statestr, &opts->port_fn_state); if (err) return err; o_found |= DL_OPT_PORT_FUNCTION_STATE; } else if (dl_argv_match(dl, "flavour") && (o_all & DL_OPT_PORT_FLAVOUR)) { const char *flavourstr; dl_arg_inc(dl); err = dl_argv_str(dl, &flavourstr); if (err) return err; err = port_flavour_parse(flavourstr, &opts->port_flavour); if (err) return err; o_found |= DL_OPT_PORT_FLAVOUR; } else if (dl_argv_match(dl, "pfnum") && (o_all & DL_OPT_PORT_PFNUMBER)) { dl_arg_inc(dl); err = dl_argv_uint16_t(dl, &opts->port_pfnumber); if (err) return err; o_found |= DL_OPT_PORT_PFNUMBER; } else if (dl_argv_match(dl, "sfnum") && (o_all & DL_OPT_PORT_SFNUMBER)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->port_sfnumber); if (err) return err; o_found |= DL_OPT_PORT_SFNUMBER; } else if (dl_argv_match(dl, "controller") && (o_all & DL_OPT_PORT_CONTROLLER)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->port_controller); if (err) return err; o_found |= DL_OPT_PORT_CONTROLLER; } else if (dl_argv_match(dl, "type") && (o_all & DL_OPT_PORT_FN_RATE_TYPE)) { const char *typestr; dl_arg_inc(dl); err = dl_argv_str(dl, &typestr); if (err) return err; err = port_fn_rate_type_get(typestr, &opts->rate_type); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TYPE; } else if (dl_argv_match(dl, "tx_share") && (o_all & DL_OPT_PORT_FN_RATE_TX_SHARE)) { dl_arg_inc(dl); err = port_fn_rate_value_get(dl, &opts->rate_tx_share); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TX_SHARE; } else if (dl_argv_match(dl, "tx_max") && (o_all & DL_OPT_PORT_FN_RATE_TX_MAX)) { dl_arg_inc(dl); err = port_fn_rate_value_get(dl, &opts->rate_tx_max); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TX_MAX; } else if (dl_argv_match(dl, "tx_priority") && (o_all & DL_OPT_PORT_FN_RATE_TX_PRIORITY)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->rate_tx_priority); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TX_PRIORITY; } else if (dl_argv_match(dl, "tx_weight") && (o_all & DL_OPT_PORT_FN_RATE_TX_WEIGHT)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->rate_tx_weight); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TX_WEIGHT; } else if (dl_argv_match(dl, "parent") && (o_all & DL_OPT_PORT_FN_RATE_PARENT)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->rate_parent_node); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_PARENT; } else if (dl_argv_match(dl, "noparent") && (o_all & DL_OPT_PORT_FN_RATE_PARENT)) { dl_arg_inc(dl); opts->rate_parent_node = ""; o_found |= DL_OPT_PORT_FN_RATE_PARENT; } else if (dl_argv_match(dl, "tc-bw") && (o_all & DL_OPT_PORT_FN_RATE_TC_BWS)) { dl_arg_inc(dl); err = parse_tc_bw_args(dl, opts->rate_tc_bw); if (err) return err; o_found |= DL_OPT_PORT_FN_RATE_TC_BWS; } else if (dl_argv_match(dl, "lc") && (o_all & DL_OPT_LINECARD)) { dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &opts->linecard_index); if (err) return err; o_found |= DL_OPT_LINECARD; } else if (dl_argv_match(dl, "type") && (o_all & DL_OPT_LINECARD_TYPE)) { dl_arg_inc(dl); err = dl_argv_str(dl, &opts->linecard_type); if (err) return err; o_found |= DL_OPT_LINECARD_TYPE; } else if (dl_argv_match(dl, "notype") && (o_all & DL_OPT_LINECARD_TYPE)) { dl_arg_inc(dl); opts->linecard_type = ""; o_found |= DL_OPT_LINECARD_TYPE; } else if (dl_argv_match(dl, "roce") && (o_all & DL_OPT_PORT_FN_CAPS)) { bool roce; dl_arg_inc(dl); err = dl_argv_bool(dl, &roce); if (err) return err; opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_ROCE; if (roce) opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_ROCE; o_found |= DL_OPT_PORT_FN_CAPS; } else if (dl_argv_match(dl, "migratable") && (o_all & DL_OPT_PORT_FN_CAPS)) { bool mig; dl_arg_inc(dl); err = dl_argv_bool(dl, &mig); if (err) return err; opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_MIGRATABLE; if (mig) opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_MIGRATABLE; o_found |= DL_OPT_PORT_FN_CAPS; } else if (dl_argv_match(dl, "ipsec_crypto") && (o_all & DL_OPT_PORT_FN_CAPS)) { bool ipsec_crypto; dl_arg_inc(dl); err = dl_argv_bool(dl, &ipsec_crypto); if (err) return err; opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO; if (ipsec_crypto) opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO; o_found |= DL_OPT_PORT_FN_CAPS; } else if (dl_argv_match(dl, "ipsec_packet") && (o_all & DL_OPT_PORT_FN_CAPS)) { bool ipsec_packet; dl_arg_inc(dl); err = dl_argv_bool(dl, &ipsec_packet); if (err) return err; opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_IPSEC_PACKET; if (ipsec_packet) opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_IPSEC_PACKET; o_found |= DL_OPT_PORT_FN_CAPS; } else if (dl_argv_match(dl, "max_io_eqs") && (o_all & DL_OPT_PORT_FN_MAX_IO_EQS)) { uint32_t max_io_eqs; dl_arg_inc(dl); err = dl_argv_uint32_t(dl, &max_io_eqs); if (err) return err; opts->port_fn_max_io_eqs = max_io_eqs; o_found |= DL_OPT_PORT_FN_MAX_IO_EQS; } else { if (!unknown_option) unknown_option = dl_argv(dl); dl_arg_inc(dl); } } if ((o_required & DL_OPT_SB) && !(o_found & DL_OPT_SB)) { opts->sb_index = 0; o_found |= DL_OPT_SB; } opts->present = o_found; err = dl_args_finding_required_validate(o_required, o_found); if (unknown_option) { pr_err("Unknown option \"%s\"\n", unknown_option); if (!err) return -EINVAL; } return err; } static int dl_argv_dry_parse(struct dl *dl, uint64_t o_required, uint64_t o_optional) { char **argv = dl->argv; int argc = dl->argc; int err; g_err_suspended = true; err = dl_argv_parse(dl, o_required, o_optional); g_err_suspended = false; dl->argv = argv; dl->argc = argc; return err; } /* List of extended handles with two slashes. */ static const uint64_t dl_opt_extended_handle[] = { DL_OPT_HANDLEP, DL_OPT_HANDLE_REGION, DL_OPT_PORT_FN_RATE_NODE_NAME, }; static int dl_argv_parse_with_selector(struct dl *dl, uint16_t *flags, uint8_t cmd, uint64_t o_required, uint64_t o_optional, uint64_t o_dump_required, uint64_t o_dump_optional) { int err; int i; if (dl_no_arg(dl)) goto flag_set; /* In case the handle suggests it, do dry parsing first * to see if all required options are there. Proceed with * dump selector in case there are missing options on the * command line. That means user provided partial * object identification. */ if ((o_required & (DL_OPT_HANDLE | DL_OPT_HANDLEP)) == (DL_OPT_HANDLE | DL_OPT_HANDLEP)) { /* Handle case when both devlink handle and port handle * are allowed. Try both alone, if parsing of either * is successful, we have a do parse case. */ err = dl_argv_dry_parse(dl, o_required & ~DL_OPT_HANDLEP, o_optional); if (err == -ENOENT) goto dump_parse; else if (!err) goto do_parse; err = dl_argv_dry_parse(dl, o_required & ~DL_OPT_HANDLE, o_optional); if (err == -ENOENT) goto dump_parse; goto do_parse; } for (i = 0; i < ARRAY_SIZE(dl_opt_extended_handle); i++) { uint64_t handle = dl_opt_extended_handle[i]; if ((o_required & handle) == handle) { err = dl_argv_dry_parse(dl, (o_required & ~handle) | DL_OPT_HANDLE, o_optional); if (err == -ENOENT || !err) goto dump_parse; break; } } err = dl_argv_dry_parse(dl, o_required, o_optional); if (err == -ENOENT) goto dump_parse; do_parse: return dl_argv_parse(dl, o_required, o_optional); dump_parse: err = mnlu_gen_cmd_dump_policy(&dl->nlg, cmd); if (err) { pr_err("Dump selectors are not supported by kernel for this command\n"); return -ENOTSUP; } err = dl_argv_parse(dl, o_dump_required, o_dump_optional); if (err) return err; flag_set: *flags |= NLM_F_DUMP; return 0; } static void dl_function_attr_put(struct nlmsghdr *nlh, const struct dl_opts *opts) { struct nlattr *nest; nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_PORT_FUNCTION); if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR) mnl_attr_put(nlh, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, opts->port_function_hw_addr_len, opts->port_function_hw_addr); if (opts->present & DL_OPT_PORT_FUNCTION_STATE) mnl_attr_put_u8(nlh, DEVLINK_PORT_FN_ATTR_STATE, opts->port_fn_state); if (opts->present & DL_OPT_PORT_FN_CAPS) mnl_attr_put(nlh, DEVLINK_PORT_FN_ATTR_CAPS, sizeof(opts->port_fn_caps), &opts->port_fn_caps); if (opts->present & DL_OPT_PORT_FN_MAX_IO_EQS) mnl_attr_put_u32(nlh, DEVLINK_PORT_FN_ATTR_MAX_IO_EQS, opts->port_fn_max_io_eqs); mnl_attr_nest_end(nlh, nest); } static void dl_flash_update_overwrite_put(struct nlmsghdr *nlh, const struct dl_opts *opts) { struct nla_bitfield32 overwrite_mask; overwrite_mask.selector = DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS; overwrite_mask.value = opts->overwrite_mask; mnl_attr_put(nlh, DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK, sizeof(overwrite_mask), &overwrite_mask); } static void dl_reload_limits_put(struct nlmsghdr *nlh, const struct dl_opts *opts) { struct nla_bitfield32 limits; limits.selector = DEVLINK_RELOAD_LIMITS_VALID_MASK; limits.value = BIT(opts->reload_limit); mnl_attr_put(nlh, DEVLINK_ATTR_RELOAD_LIMITS, sizeof(limits), &limits); } static void dl_selftests_put(struct nlmsghdr *nlh, const struct dl_opts *opts) { bool test_sel = false; struct nlattr *nest; int id; nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_SELFTESTS); for (id = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; id <= DEVLINK_ATTR_SELFTEST_ID_MAX && opts->selftests_opt[id]; id++) { if (opts->selftests_opt[id]) { test_sel = true; mnl_attr_put(nlh, id, 0, NULL); } } /* No test selected from user, select all */ if (!test_sel) { for (id = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; id <= DEVLINK_ATTR_SELFTEST_ID_MAX; id++) mnl_attr_put(nlh, id, 0, NULL); } mnl_attr_nest_end(nlh, nest); } static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl) { struct dl_opts *opts = &dl->opts; if (opts->present & DL_OPT_HANDLE) { mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); } else if (opts->present & DL_OPT_HANDLEP) { mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX, opts->port_index); } else if (opts->present & DL_OPT_HANDLE_REGION) { mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME, opts->region_name); } else if (opts->present & DL_OPT_PORT_FN_RATE_NODE_NAME) { mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); mnl_attr_put_strz(nlh, DEVLINK_ATTR_RATE_NODE_NAME, opts->rate_node_name); } if (opts->present & DL_OPT_PORT_TYPE) mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE, opts->port_type); if (opts->present & DL_OPT_PORT_COUNT) mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT, opts->port_count); if (opts->present & DL_OPT_SB) mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX, opts->sb_index); if (opts->present & DL_OPT_SB_POOL) mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX, opts->sb_pool_index); if (opts->present & DL_OPT_SB_SIZE) mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE, opts->sb_pool_size); if (opts->present & DL_OPT_SB_TYPE) mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE, opts->sb_pool_type); if (opts->present & DL_OPT_SB_THTYPE) mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, opts->sb_pool_thtype); if (opts->present & DL_OPT_SB_TH) mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD, opts->sb_threshold); if (opts->present & DL_OPT_SB_TC) mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX, opts->sb_tc_index); if (opts->present & DL_OPT_ESWITCH_MODE) mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE, opts->eswitch_mode); if (opts->present & DL_OPT_ESWITCH_INLINE_MODE) mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE, opts->eswitch_inline_mode); if (opts->present & DL_OPT_DPIPE_TABLE_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME, opts->dpipe_table_name); if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS) mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, opts->dpipe_counters_enabled); if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE) mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, opts->eswitch_encap_mode); if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid) mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID, opts->resource_id); if (opts->present & DL_OPT_RESOURCE_SIZE) mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE, opts->resource_size); if (opts->present & DL_OPT_PARAM_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME, opts->param_name); if (opts->present & DL_OPT_PARAM_CMODE) mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE, opts->cmode); if (opts->present & DL_OPT_REGION_SNAPSHOT_ID) mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID, opts->region_snapshot_id); if (opts->present & DL_OPT_REGION_ADDRESS) mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR, opts->region_address); if (opts->present & DL_OPT_REGION_LENGTH) mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN, opts->region_length); if (opts->present & DL_OPT_FLASH_FILE_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME, opts->flash_file_name); if (opts->present & DL_OPT_FLASH_COMPONENT) mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT, opts->flash_component); if (opts->present & DL_OPT_FLASH_OVERWRITE) dl_flash_update_overwrite_put(nlh, opts); if (opts->present & DL_OPT_SELFTESTS) dl_selftests_put(nlh, opts); if (opts->present & DL_OPT_HEALTH_REPORTER_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME, opts->reporter_name); if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD) mnl_attr_put_u64(nlh, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, opts->reporter_graceful_period); if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER) mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, opts->reporter_auto_recover); if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_DUMP) mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, opts->reporter_auto_dump); if (opts->present & DL_OPT_TRAP_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_NAME, opts->trap_name); if (opts->present & DL_OPT_TRAP_GROUP_NAME) mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_GROUP_NAME, opts->trap_group_name); if (opts->present & DL_OPT_TRAP_ACTION) mnl_attr_put_u8(nlh, DEVLINK_ATTR_TRAP_ACTION, opts->trap_action); if (opts->present & DL_OPT_NETNS) mnl_attr_put_u32(nlh, opts->netns_is_pid ? DEVLINK_ATTR_NETNS_PID : DEVLINK_ATTR_NETNS_FD, opts->netns); if (opts->present & DL_OPT_RELOAD_ACTION) mnl_attr_put_u8(nlh, DEVLINK_ATTR_RELOAD_ACTION, opts->reload_action); if (opts->present & DL_OPT_RELOAD_LIMIT) dl_reload_limits_put(nlh, opts); if (opts->present & DL_OPT_TRAP_POLICER_ID) mnl_attr_put_u32(nlh, DEVLINK_ATTR_TRAP_POLICER_ID, opts->trap_policer_id); if (opts->present & DL_OPT_TRAP_POLICER_RATE) mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_RATE, opts->trap_policer_rate); if (opts->present & DL_OPT_TRAP_POLICER_BURST) mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_BURST, opts->trap_policer_burst); if (opts->present & (DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE | DL_OPT_PORT_FN_CAPS | DL_OPT_PORT_FN_MAX_IO_EQS)) dl_function_attr_put(nlh, opts); if (opts->present & DL_OPT_PORT_FLAVOUR) mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_FLAVOUR, opts->port_flavour); if (opts->present & DL_OPT_PORT_PFNUMBER) mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, opts->port_pfnumber); if (opts->present & DL_OPT_PORT_SFNUMBER) mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_PCI_SF_NUMBER, opts->port_sfnumber); if (opts->present & DL_OPT_PORT_CONTROLLER) mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, opts->port_controller); if (opts->present & DL_OPT_PORT_FN_RATE_TYPE) mnl_attr_put_u16(nlh, DEVLINK_ATTR_RATE_TYPE, opts->rate_type); if (opts->present & DL_OPT_PORT_FN_RATE_TX_SHARE) mnl_attr_put_u64(nlh, DEVLINK_ATTR_RATE_TX_SHARE, opts->rate_tx_share); if (opts->present & DL_OPT_PORT_FN_RATE_TX_PRIORITY) mnl_attr_put_u32(nlh, DEVLINK_ATTR_RATE_TX_PRIORITY, opts->rate_tx_priority); if (opts->present & DL_OPT_PORT_FN_RATE_TX_WEIGHT) mnl_attr_put_u32(nlh, DEVLINK_ATTR_RATE_TX_WEIGHT, opts->rate_tx_weight); if (opts->present & DL_OPT_PORT_FN_RATE_TX_MAX) mnl_attr_put_u64(nlh, DEVLINK_ATTR_RATE_TX_MAX, opts->rate_tx_max); if (opts->present & DL_OPT_PORT_FN_RATE_PARENT) mnl_attr_put_strz(nlh, DEVLINK_ATTR_RATE_PARENT_NODE_NAME, opts->rate_parent_node); if (opts->present & DL_OPT_PORT_FN_RATE_TC_BWS) { struct nlattr *nla_tc_bw_entry; int i; for (i = 0; i < DEVLINK_RATE_TCS_MAX; i++) { nla_tc_bw_entry = mnl_attr_nest_start(nlh, DEVLINK_ATTR_RATE_TC_BWS); mnl_attr_put_u8(nlh, DEVLINK_RATE_TC_ATTR_INDEX, i); mnl_attr_put_u32(nlh, DEVLINK_RATE_TC_ATTR_BW, opts->rate_tc_bw[i]); mnl_attr_nest_end(nlh, nla_tc_bw_entry); } } if (opts->present & DL_OPT_LINECARD) mnl_attr_put_u32(nlh, DEVLINK_ATTR_LINECARD_INDEX, opts->linecard_index); if (opts->present & DL_OPT_LINECARD_TYPE) mnl_attr_put_strz(nlh, DEVLINK_ATTR_LINECARD_TYPE, opts->linecard_type); } static bool dl_dump_filter(struct dl *dl, struct nlattr **tb) { struct dl_opts *opts = &dl->opts; struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME]; struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME]; struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX]; struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX]; struct nlattr *attr_linecard_index = tb[DEVLINK_ATTR_LINECARD_INDEX]; if (opts->present & DL_OPT_HANDLE && attr_bus_name && attr_dev_name) { const char *bus_name = mnl_attr_get_str(attr_bus_name); const char *dev_name = mnl_attr_get_str(attr_dev_name); if (strcmp(bus_name, opts->bus_name) != 0 || strcmp(dev_name, opts->dev_name) != 0) return false; } if (opts->present & DL_OPT_HANDLEP && attr_bus_name && attr_dev_name && attr_port_index) { const char *bus_name = mnl_attr_get_str(attr_bus_name); const char *dev_name = mnl_attr_get_str(attr_dev_name); uint32_t port_index = mnl_attr_get_u32(attr_port_index); if (strcmp(bus_name, opts->bus_name) != 0 || strcmp(dev_name, opts->dev_name) != 0 || port_index != opts->port_index) return false; } if (opts->present & DL_OPT_SB && attr_sb_index) { uint32_t sb_index = mnl_attr_get_u32(attr_sb_index); if (sb_index != opts->sb_index) return false; } if (opts->present & DL_OPT_LINECARD && attr_linecard_index) { uint32_t linecard_index = mnl_attr_get_u32(attr_linecard_index); if (linecard_index != opts->linecard_index) return false; } return true; } static void cmd_dev_help(void) { pr_err("Usage: devlink dev show [ DEV ]\n"); pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n"); pr_err(" [ inline-mode { none | link | network | transport } ]\n"); pr_err(" [ encap-mode { none | basic } ]\n"); pr_err(" devlink dev eswitch show DEV\n"); pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n"); pr_err(" devlink dev param show [DEV name PARAMETER]\n"); pr_err(" devlink dev reload DEV [ netns { PID | NAME | ID } ]\n"); pr_err(" [ action { driver_reinit | fw_activate } ] [ limit no_reset ]\n"); pr_err(" devlink dev info [ DEV ]\n"); pr_err(" devlink dev flash DEV file PATH [ component NAME ] [ overwrite SECTION ]\n"); pr_err(" devlink dev selftests show [DEV]\n"); pr_err(" devlink dev selftests run DEV [id TESTNAME ]\n"); } static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name, const char *dev_name) { if (!dl->arr_last.present) return false; return strcmp(dl->arr_last.bus_name, bus_name) == 0 && strcmp(dl->arr_last.dev_name, dev_name) == 0; } static void arr_last_handle_set(struct dl *dl, const char *bus_name, const char *dev_name) { dl->arr_last.present = true; free(dl->arr_last.dev_name); free(dl->arr_last.bus_name); dl->arr_last.bus_name = strdup(bus_name); dl->arr_last.dev_name = strdup(dev_name); } static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name, const char *dev_name) { return !cmp_arr_last_handle(dl, bus_name, dev_name); } static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name, const char *dev_name) { return dl->arr_last.present && !cmp_arr_last_handle(dl, bus_name, dev_name); } static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb, bool content, bool array) { const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); char buf[64]; snprintf(buf, sizeof(buf), "%s/%s", bus_name, dev_name); if (dl->json_output) { if (array) { if (should_arr_last_handle_end(dl, bus_name, dev_name)) close_json_array(PRINT_JSON, NULL); if (should_arr_last_handle_start(dl, bus_name, dev_name)) { open_json_array(PRINT_JSON, buf); open_json_object(NULL); arr_last_handle_set(dl, bus_name, dev_name); } else { open_json_object(NULL); } } else { open_json_object(buf); } } else { if (array) { if (should_arr_last_handle_end(dl, bus_name, dev_name)) __pr_out_indent_dec(); if (should_arr_last_handle_start(dl, bus_name, dev_name)) { pr_out("%s%s", buf, content ? ":" : ""); __pr_out_newline(); __pr_out_indent_inc(); arr_last_handle_set(dl, bus_name, dev_name); } } else { pr_out("%s%s", buf, content ? ":" : ""); } } } static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb) { __pr_out_handle_start(dl, tb, true, true); } static void pr_out_handle_end(struct dl *dl) { if (dl->json_output) close_json_object(); else __pr_out_newline(); } static void pr_out_handle(struct dl *dl, struct nlattr **tb) { __pr_out_handle_start(dl, tb, false, false); pr_out_handle_end(dl); } static void pr_out_selftests_handle_start(struct dl *dl, struct nlattr **tb) { const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); char buf[64]; snprintf(buf, sizeof(buf), "%s/%s", bus_name, dev_name); if (dl->json_output) { if (should_arr_last_handle_end(dl, bus_name, dev_name)) close_json_array(PRINT_JSON, NULL); if (should_arr_last_handle_start(dl, bus_name, dev_name)) { open_json_array(PRINT_JSON, buf); arr_last_handle_set(dl, bus_name, dev_name); } } else { if (should_arr_last_handle_end(dl, bus_name, dev_name)) __pr_out_indent_dec(); if (should_arr_last_handle_start(dl, bus_name, dev_name)) { pr_out("%s%s", buf, ":"); __pr_out_newline(); __pr_out_indent_inc(); arr_last_handle_set(dl, bus_name, dev_name); } } } static void pr_out_selftests_handle_end(struct dl *dl) { if (!dl->json_output) __pr_out_newline(); } static void __pr_out_nested_handle(struct dl *dl, struct nlattr *nla_nested_dl, bool is_object) { struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; int err; err = mnl_attr_parse_nested(nla_nested_dl, attr_cb, tb); if (err != MNL_CB_OK) return; if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return; if (!is_object) { char buf[64]; snprintf(buf, sizeof(buf), "%s/%s", mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]), mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME])); print_string(PRINT_ANY, "nested_devlink", " nested_devlink %s", buf); return; } __pr_out_handle_start(dl, tb, tb[DEVLINK_ATTR_NETNS_ID], false); if (tb[DEVLINK_ATTR_NETNS_ID]) { int32_t id = mnl_attr_get_u32(tb[DEVLINK_ATTR_NETNS_ID]); if (id >= 0) { char *name = netns_name_from_id(id); if (name) { print_string(PRINT_ANY, "netns", " netns %s", name); free(name); } else { print_int(PRINT_ANY, "netnsid", " netnsid %d", id); } } else { print_string(PRINT_FP, NULL, " netnsid %s", "unknown"); print_int(PRINT_JSON, "netnsid", NULL, id); } } pr_out_handle_end(dl); } static void pr_out_nested_handle(struct nlattr *nla_nested_dl) { __pr_out_nested_handle(NULL, nla_nested_dl, false); } static void pr_out_nested_handle_obj(struct dl *dl, struct nlattr *nla_nested_dl, bool obj_start, bool obj_end) { if (obj_start) { pr_out_object_start(dl, "nested_devlink"); check_indent_newline(dl); } __pr_out_nested_handle(dl, nla_nested_dl, true); if (obj_end) { if (!dl->json_output) __pr_out_indent_dec(); pr_out_object_end(dl); } } static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index) { return cmp_arr_last_handle(dl, bus_name, dev_name) && dl->arr_last.port_index == port_index; } static void arr_last_port_handle_set(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index) { arr_last_handle_set(dl, bus_name, dev_name); dl->arr_last.port_index = port_index; } static bool should_arr_last_port_handle_start(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index) { return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); } static bool should_arr_last_port_handle_end(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index) { return dl->arr_last.present && !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); } static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name, const char *dev_name, uint32_t port_index, const char *ifname, bool try_nice, bool array) { static char buf[64]; if (dl->no_nice_names || !try_nice || ifname_map_rev_lookup(dl, bus_name, dev_name, port_index, &ifname) != 0) snprintf(buf, sizeof(buf), "%s/%s/%d", bus_name, dev_name, port_index); else snprintf(buf, sizeof(buf), "%s", ifname); if (dl->json_output) { if (array) { if (should_arr_last_port_handle_end(dl, bus_name, dev_name, port_index)) close_json_array(PRINT_JSON, NULL); if (should_arr_last_port_handle_start(dl, bus_name, dev_name, port_index)) { open_json_array(PRINT_JSON, buf); open_json_object(NULL); arr_last_port_handle_set(dl, bus_name, dev_name, port_index); } else { open_json_object(NULL); } } else { open_json_object(buf); } } else { if (array) { if (should_arr_last_port_handle_end(dl, bus_name, dev_name, port_index)) __pr_out_indent_dec(); if (should_arr_last_port_handle_start(dl, bus_name, dev_name, port_index)) { pr_out("%s:", buf); __pr_out_newline(); __pr_out_indent_inc(); arr_last_port_handle_set(dl, bus_name, dev_name, port_index); } } else { pr_out("%s:", buf); } } } static void __pr_out_port_handle_start_tb(struct dl *dl, struct nlattr **tb, bool try_nice, bool array) { const char *ifname = NULL; const char *bus_name; const char *dev_name; uint32_t port_index; bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]); __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, ifname, try_nice, array); } static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice) { __pr_out_port_handle_start_tb(dl, tb, try_nice, false); } static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice) { __pr_out_port_handle_start_tb(dl, tb, try_nice, true); } static void pr_out_port_handle_end(struct dl *dl) { if (dl->json_output) close_json_object(); else __pr_out_newline(); } static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr) { if (dl->json_output) { print_uint(PRINT_JSON, "address", NULL, addr); open_json_array(PRINT_JSON, "data"); } } static void pr_out_region_chunk_end(struct dl *dl) { if (dl->json_output) close_json_array(PRINT_JSON, NULL); } static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len, uint64_t addr) { static uint64_t align_val; uint32_t i = 0; pr_out_region_chunk_start(dl, addr); while (i < len) { if (!dl->json_output) if (!(align_val % 16)) pr_out("%s%016"PRIx64" ", align_val ? "\n" : "", addr); align_val++; if (dl->json_output) print_int(PRINT_JSON, NULL, NULL, data[i]); else pr_out("%02x ", data[i]); addr++; i++; } pr_out_region_chunk_end(dl); } static void pr_out_stats(struct dl *dl, struct nlattr *nla_stats) { struct nlattr *tb[DEVLINK_ATTR_STATS_MAX + 1] = {}; int err; if (!dl->stats) return; err = mnl_attr_parse_nested(nla_stats, attr_stats_cb, tb); if (err != MNL_CB_OK) return; pr_out_object_start(dl, "stats"); pr_out_object_start(dl, "rx"); if (tb[DEVLINK_ATTR_STATS_RX_BYTES]) pr_out_u64(dl, "bytes", mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_BYTES])); if (tb[DEVLINK_ATTR_STATS_RX_PACKETS]) pr_out_u64(dl, "packets", mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_PACKETS])); if (tb[DEVLINK_ATTR_STATS_RX_DROPPED]) pr_out_u64(dl, "dropped", mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_DROPPED])); pr_out_object_end(dl); pr_out_object_end(dl); } static const char *param_cmode_name(uint8_t cmode) { switch (cmode) { case DEVLINK_PARAM_CMODE_RUNTIME: return PARAM_CMODE_RUNTIME_STR; case DEVLINK_PARAM_CMODE_DRIVERINIT: return PARAM_CMODE_DRIVERINIT_STR; case DEVLINK_PARAM_CMODE_PERMANENT: return PARAM_CMODE_PERMANENT_STR; default: return "<unknown type>"; } } static const char *reload_action_name(uint8_t reload_action) { switch (reload_action) { case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: return "driver_reinit"; case DEVLINK_RELOAD_ACTION_FW_ACTIVATE: return "fw_activate"; default: return "<unknown reload action>"; } } static const char *reload_limit_name(uint8_t reload_limit) { switch (reload_limit) { case DEVLINK_RELOAD_LIMIT_UNSPEC: return "unspecified"; case DEVLINK_RELOAD_LIMIT_NO_RESET: return "no_reset"; default: return "<unknown reload action>"; } } static const char *eswitch_mode_name(uint32_t mode) { switch (mode) { case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY; case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV; default: return "<unknown mode>"; } } static const char *eswitch_inline_mode_name(uint32_t mode) { switch (mode) { case DEVLINK_ESWITCH_INLINE_MODE_NONE: return ESWITCH_INLINE_MODE_NONE; case DEVLINK_ESWITCH_INLINE_MODE_LINK: return ESWITCH_INLINE_MODE_LINK; case DEVLINK_ESWITCH_INLINE_MODE_NETWORK: return ESWITCH_INLINE_MODE_NETWORK; case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT: return ESWITCH_INLINE_MODE_TRANSPORT; default: return "<unknown mode>"; } } static const char *eswitch_encap_mode_name(uint32_t mode) { switch (mode) { case DEVLINK_ESWITCH_ENCAP_MODE_NONE: return ESWITCH_ENCAP_MODE_NONE; case DEVLINK_ESWITCH_ENCAP_MODE_BASIC: return ESWITCH_ENCAP_MODE_BASIC; default: return "<unknown mode>"; } } static void pr_out_eswitch(struct dl *dl, struct nlattr **tb) { __pr_out_handle_start(dl, tb, true, false); if (tb[DEVLINK_ATTR_ESWITCH_MODE]) { check_indent_newline(dl); print_string(PRINT_ANY, "mode", "mode %s", eswitch_mode_name(mnl_attr_get_u16( tb[DEVLINK_ATTR_ESWITCH_MODE]))); } if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) { check_indent_newline(dl); print_string(PRINT_ANY, "inline-mode", "inline-mode %s", eswitch_inline_mode_name(mnl_attr_get_u8( tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]))); } if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) { check_indent_newline(dl); print_string(PRINT_ANY, "encap-mode", "encap-mode %s", eswitch_encap_mode_name(mnl_attr_get_u8( tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]))); } pr_out_handle_end(dl); } static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_ERROR; pr_out_eswitch(dl, tb); return MNL_CB_OK; } static int cmd_dev_eswitch_show(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_ESWITCH_GET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); pr_out_section_start(dl, "dev"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_dev_eswitch_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_ESWITCH_MODE | DL_OPT_ESWITCH_INLINE_MODE | DL_OPT_ESWITCH_ENCAP_MODE); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_ESWITCH_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); if (dl->opts.present == 1) { pr_err("Need to set at least one option\n"); return -ENOENT; } return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_dev_eswitch(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dev_help(); return 0; } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_dev_eswitch_set(dl); } else if (dl_argv_match(dl, "show")) { dl_arg_inc(dl); return cmd_dev_eswitch_show(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } struct param_val_conv { const char *name; const char *vstr; uint32_t vuint; }; static bool param_val_conv_exists(const struct param_val_conv *param_val_conv, uint32_t len, const char *name) { uint32_t i; for (i = 0; i < len; i++) if (!strcmp(param_val_conv[i].name, name)) return true; return false; } static int param_val_conv_uint_get(const struct param_val_conv *param_val_conv, uint32_t len, const char *name, const char *vstr, uint32_t *vuint) { uint32_t i; for (i = 0; i < len; i++) if (!strcmp(param_val_conv[i].name, name) && !strcmp(param_val_conv[i].vstr, vstr)) { *vuint = param_val_conv[i].vuint; return 0; } return -ENOENT; } static int param_val_conv_str_get(const struct param_val_conv *param_val_conv, uint32_t len, const char *name, uint32_t vuint, const char **vstr) { uint32_t i; for (i = 0; i < len; i++) if (!strcmp(param_val_conv[i].name, name) && param_val_conv[i].vuint == vuint) { *vstr = param_val_conv[i].vstr; return 0; } return -ENOENT; } static const struct param_val_conv param_val_conv[] = { { .name = "fw_load_policy", .vstr = "driver", .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER, }, { .name = "fw_load_policy", .vstr = "flash", .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH, }, { .name = "fw_load_policy", .vstr = "disk", .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK, }, { .name = "reset_dev_on_drv_probe", .vstr = "unknown", .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN, }, { .name = "fw_load_policy", .vstr = "unknown", .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN, }, { .name = "reset_dev_on_drv_probe", .vstr = "always", .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS, }, { .name = "reset_dev_on_drv_probe", .vstr = "never", .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER, }, { .name = "reset_dev_on_drv_probe", .vstr = "disk", .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK, }, }; #define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv) static void pr_out_param_value(struct dl *dl, const char *nla_name, int nla_type, struct nlattr *nl) { struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *val_attr; const char *vstr; bool conv_exists; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_value); if (err != MNL_CB_OK) return; if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || (nla_type != MNL_TYPE_FLAG && !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) return; check_indent_newline(dl); print_string(PRINT_ANY, "cmode", "cmode %s", param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]))); val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, nla_name); switch (nla_type) { case MNL_TYPE_U8: if (conv_exists) { err = param_val_conv_str_get(param_val_conv, PARAM_VAL_CONV_LEN, nla_name, mnl_attr_get_u8(val_attr), &vstr); if (err) return; print_string(PRINT_ANY, "value", " value %s", vstr); } else { print_uint(PRINT_ANY, "value", " value %u", mnl_attr_get_u8(val_attr)); } break; case MNL_TYPE_U16: if (conv_exists) { err = param_val_conv_str_get(param_val_conv, PARAM_VAL_CONV_LEN, nla_name, mnl_attr_get_u16(val_attr), &vstr); if (err) return; print_string(PRINT_ANY, "value", " value %s", vstr); } else { print_uint(PRINT_ANY, "value", " value %u", mnl_attr_get_u16(val_attr)); } break; case MNL_TYPE_U32: if (conv_exists) { err = param_val_conv_str_get(param_val_conv, PARAM_VAL_CONV_LEN, nla_name, mnl_attr_get_u32(val_attr), &vstr); if (err) return; print_string(PRINT_ANY, "value", " value %s", vstr); } else { print_uint(PRINT_ANY, "value", " value %u", mnl_attr_get_u32(val_attr)); } break; case MNL_TYPE_STRING: print_string(PRINT_ANY, "value", " value %s", mnl_attr_get_str(val_attr)); break; case MNL_TYPE_FLAG: print_bool(PRINT_ANY, "value", " value %s", val_attr); break; } } static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array, bool is_port_param) { struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *param_value_attr; const char *nla_name; int nla_type; int err; err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); if (err != MNL_CB_OK) return; if (!nla_param[DEVLINK_ATTR_PARAM_NAME] || !nla_param[DEVLINK_ATTR_PARAM_TYPE] || !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) return; if (array) if (is_port_param) pr_out_port_handle_start_arr(dl, tb, false); else pr_out_handle_start_arr(dl, tb); else if (is_port_param) pr_out_port_handle_start(dl, tb, false); else __pr_out_handle_start(dl, tb, true, false); nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]); check_indent_newline(dl); print_string(PRINT_ANY, "name", "name %s ", nla_name); if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC]) print_string(PRINT_ANY, "type", "type %s", "driver-specific"); else print_string(PRINT_ANY, "type", "type %s", "generic"); pr_out_array_start(dl, "values"); mnl_attr_for_each_nested(param_value_attr, nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { pr_out_entry_start(dl); pr_out_param_value(dl, nla_name, nla_type, param_value_attr); pr_out_entry_end(dl); } pr_out_array_end(dl); if (is_port_param) pr_out_port_handle_end(dl); else pr_out_handle_end(dl); } static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PARAM]) return MNL_CB_ERROR; pr_out_param(dl, tb, true, false); return MNL_CB_OK; } struct param_ctx { struct dl *dl; int nla_type; bool cmode_found; union { uint8_t vu8; uint16_t vu16; uint32_t vu32; const char *vstr; bool vbool; } value; }; static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *param_value_attr; enum devlink_param_cmode cmode; struct param_ctx *ctx = data; struct dl *dl = ctx->dl; int nla_type; int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PARAM]) return MNL_CB_ERROR; err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); if (err != MNL_CB_OK) return MNL_CB_ERROR; if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] || !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) return MNL_CB_ERROR; nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); mnl_attr_for_each_nested(param_value_attr, nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *val_attr; err = mnl_attr_parse_nested(param_value_attr, attr_cb, nla_value); if (err != MNL_CB_OK) return MNL_CB_ERROR; if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || (nla_type != MNL_TYPE_FLAG && !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) return MNL_CB_ERROR; cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]); if (cmode == dl->opts.cmode) { ctx->cmode_found = true; val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; switch (nla_type) { case MNL_TYPE_U8: ctx->value.vu8 = mnl_attr_get_u8(val_attr); break; case MNL_TYPE_U16: ctx->value.vu16 = mnl_attr_get_u16(val_attr); break; case MNL_TYPE_U32: ctx->value.vu32 = mnl_attr_get_u32(val_attr); break; case MNL_TYPE_STRING: ctx->value.vstr = mnl_attr_get_str(val_attr); break; case MNL_TYPE_FLAG: ctx->value.vbool = val_attr ? true : false; break; } break; } } ctx->nla_type = nla_type; return MNL_CB_OK; } static int cmd_dev_param_set(struct dl *dl) { struct param_ctx ctx = {}; struct nlmsghdr *nlh; bool conv_exists; uint32_t val_u32 = 0; uint16_t val_u16; uint8_t val_u8; bool val_bool; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_PARAM_NAME | DL_OPT_PARAM_VALUE | DL_OPT_PARAM_CMODE, 0); if (err) return err; /* Get value type */ nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_GET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); ctx.dl = dl; err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_param_set_cb, &ctx); if (err) return err; if (!ctx.cmode_found) { pr_err("Configuration mode not supported\n"); return -ENOTSUP; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name); mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type); switch (ctx.nla_type) { case MNL_TYPE_U8: if (conv_exists) { err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); val_u8 = val_u32; } else { err = get_u8(&val_u8, dl->opts.param_value, 10); } if (err) goto err_param_value_parse; if (val_u8 == ctx.value.vu8) return 0; mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8); break; case MNL_TYPE_U16: if (conv_exists) { err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); val_u16 = val_u32; } else { err = get_u16(&val_u16, dl->opts.param_value, 10); } if (err) goto err_param_value_parse; if (val_u16 == ctx.value.vu16) return 0; mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16); break; case MNL_TYPE_U32: if (conv_exists) err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); else err = get_u32(&val_u32, dl->opts.param_value, 10); if (err) goto err_param_value_parse; if (val_u32 == ctx.value.vu32) return 0; mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32); break; case MNL_TYPE_FLAG: err = strtobool(dl->opts.param_value, &val_bool); if (err) goto err_param_value_parse; if (val_bool == ctx.value.vbool) return 0; if (val_bool) mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, 0, NULL); break; case MNL_TYPE_STRING: mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, dl->opts.param_value); if (!strcmp(dl->opts.param_value, ctx.value.vstr)) return 0; break; default: printf("Value type not supported\n"); return -ENOTSUP; } return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); err_param_value_parse: pr_err("Value \"%s\" is not a number or not within range\n", dl->opts.param_value); return err; } static int cmd_port_param_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_PARAM]) return MNL_CB_ERROR; pr_out_param(dl, tb, true, true); return MNL_CB_OK; } static int cmd_dev_param_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_PARAM_GET, DL_OPT_HANDLE | DL_OPT_PARAM_NAME, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "param"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_param_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_dev_param(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_dev_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_dev_param_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_dev_param_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_action_stats(struct dl *dl, struct nlattr *action_stats) { struct nlattr *tb_stats_entry[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *nla_reload_stats_entry, *nla_limit, *nla_value; enum devlink_reload_limit limit; uint32_t value; int err; mnl_attr_for_each_nested(nla_reload_stats_entry, action_stats) { err = mnl_attr_parse_nested(nla_reload_stats_entry, attr_cb, tb_stats_entry); if (err != MNL_CB_OK) return; nla_limit = tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_LIMIT]; nla_value = tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_VALUE]; if (!nla_limit || !nla_value) return; check_indent_newline(dl); limit = mnl_attr_get_u8(nla_limit); value = mnl_attr_get_u32(nla_value); print_uint_name_value(reload_limit_name(limit), value); } } static void pr_out_reload_stats(struct dl *dl, struct nlattr *reload_stats) { struct nlattr *nla_action_info, *nla_action, *nla_action_stats; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; enum devlink_reload_action action; int err; mnl_attr_for_each_nested(nla_action_info, reload_stats) { err = mnl_attr_parse_nested(nla_action_info, attr_cb, tb); if (err != MNL_CB_OK) return; nla_action = tb[DEVLINK_ATTR_RELOAD_ACTION]; nla_action_stats = tb[DEVLINK_ATTR_RELOAD_ACTION_STATS]; if (!nla_action || !nla_action_stats) return; action = mnl_attr_get_u8(nla_action); pr_out_object_start(dl, reload_action_name(action)); pr_out_action_stats(dl, nla_action_stats); pr_out_object_end(dl); } } static void pr_out_reload_data(struct dl *dl, struct nlattr **tb) { struct nlattr *nla_reload_stats, *nla_remote_reload_stats; struct nlattr *tb_stats[DEVLINK_ATTR_MAX + 1] = {}; uint8_t reload_failed = 0; int err; if (tb[DEVLINK_ATTR_RELOAD_FAILED]) reload_failed = mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED]); if (reload_failed) { check_indent_newline(dl); print_bool(PRINT_ANY, "reload_failed", "reload_failed %s", true); } if (!tb[DEVLINK_ATTR_DEV_STATS] || !dl->stats) return; err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_DEV_STATS], attr_cb, tb_stats); if (err != MNL_CB_OK) return; pr_out_object_start(dl, "stats"); nla_reload_stats = tb_stats[DEVLINK_ATTR_RELOAD_STATS]; if (nla_reload_stats) { pr_out_object_start(dl, "reload"); pr_out_reload_stats(dl, nla_reload_stats); pr_out_object_end(dl); } nla_remote_reload_stats = tb_stats[DEVLINK_ATTR_REMOTE_RELOAD_STATS]; if (nla_remote_reload_stats) { pr_out_object_start(dl, "remote_reload"); pr_out_reload_stats(dl, nla_remote_reload_stats); pr_out_object_end(dl); } pr_out_object_end(dl); } static void pr_out_dev_nested(struct dl *dl, const struct nlmsghdr *nlh) { int i = 0, count = 0; struct nlattr *attr; mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) { if (mnl_attr_get_type(attr) == DEVLINK_ATTR_NESTED_DEVLINK) count++; } if (!count) return; mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) { if (mnl_attr_get_type(attr) != DEVLINK_ATTR_NESTED_DEVLINK) continue; pr_out_nested_handle_obj(dl, attr, i == 0, i == count - 1); i++; } } static void pr_out_dev(struct dl *dl, const struct nlmsghdr *nlh, struct nlattr **tb) { if ((tb[DEVLINK_ATTR_RELOAD_FAILED] && mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED])) || (tb[DEVLINK_ATTR_DEV_STATS] && dl->stats) || tb[DEVLINK_ATTR_NESTED_DEVLINK]) { __pr_out_handle_start(dl, tb, true, false); pr_out_reload_data(dl, tb); pr_out_dev_nested(dl, nlh); pr_out_handle_end(dl); } else { pr_out_handle(dl, tb); } } static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_ERROR; pr_out_dev(dl, nlh, tb); return MNL_CB_OK; } static int cmd_dev_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; if (dl_no_arg(dl)) { flags |= NLM_F_DUMP; } else { err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "dev"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_show_cb, dl); pr_out_section_end(dl); return err; } static void pr_out_reload_actions_performed(struct dl *dl, struct nlattr **tb) { struct nlattr *nla_actions_performed; struct nla_bitfield32 *actions; uint32_t actions_performed; uint16_t len; int action; if (!tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]) return; nla_actions_performed = tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]; len = mnl_attr_get_payload_len(nla_actions_performed); if (len != sizeof(*actions)) return; actions = mnl_attr_get_payload(nla_actions_performed); if (!actions) return; g_new_line_count = 1; /* Avoid extra new line in non-json print */ pr_out_array_start(dl, "reload_actions_performed"); actions_performed = actions->value & actions->selector; for (action = 0; action <= DEVLINK_RELOAD_ACTION_MAX; action++) { if (BIT(action) & actions_performed) { check_indent_newline(dl); print_string(PRINT_ANY, NULL, "%s", reload_action_name(action)); } } pr_out_array_end(dl); if (!dl->json_output) __pr_out_newline(); } static int cmd_dev_reload_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]) return MNL_CB_ERROR; pr_out_section_start(dl, "reload"); pr_out_reload_actions_performed(dl, tb); pr_out_section_end(dl); return MNL_CB_OK; } static int cmd_dev_reload(struct dl *dl) { struct nlmsghdr *nlh; int err; if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dev_help(); return 0; } err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_NETNS | DL_OPT_RELOAD_ACTION | DL_OPT_RELOAD_LIMIT); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RELOAD, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_reload_cb, dl); } static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh, const char *name, int type) { struct nlattr *version; mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) { struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; const char *ver_value; const char *ver_name; int err; if (mnl_attr_get_type(version) != type) continue; err = mnl_attr_parse_nested(version, attr_cb, tb); if (err != MNL_CB_OK) continue; if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] || !tb[DEVLINK_ATTR_INFO_VERSION_VALUE]) continue; if (name) { pr_out_object_start(dl, name); name = NULL; } ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]); ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]); check_indent_newline(dl); print_string_name_value(ver_name, ver_value); if (!dl->json_output) __pr_out_newline(); } if (!name) pr_out_object_end(dl); } static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh, struct nlattr **tb, bool has_versions) { __pr_out_handle_start(dl, tb, true, false); __pr_out_indent_inc(); if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) { struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME]; if (!dl->json_output) __pr_out_newline(); check_indent_newline(dl); print_string(PRINT_ANY, "driver", "driver %s", mnl_attr_get_str(nla_drv)); } if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) { struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]; if (!dl->json_output) __pr_out_newline(); check_indent_newline(dl); print_string(PRINT_ANY, "serial_number", "serial_number %s", mnl_attr_get_str(nla_sn)); } if (tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER]) { struct nlattr *nla_bsn = tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER]; if (!dl->json_output) __pr_out_newline(); check_indent_newline(dl); print_string(PRINT_ANY, "board.serial_number", "board.serial_number %s", mnl_attr_get_str(nla_bsn)); } __pr_out_indent_dec(); if (has_versions) { pr_out_object_start(dl, "versions"); pr_out_versions_single(dl, nlh, "fixed", DEVLINK_ATTR_INFO_VERSION_FIXED); pr_out_versions_single(dl, nlh, "running", DEVLINK_ATTR_INFO_VERSION_RUNNING); pr_out_versions_single(dl, nlh, "stored", DEVLINK_ATTR_INFO_VERSION_STORED); pr_out_object_end(dl); } pr_out_handle_end(dl); } static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; bool has_versions, has_info; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_ERROR; has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] || tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] || tb[DEVLINK_ATTR_INFO_VERSION_STORED]; has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] || tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] || tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] || has_versions; if (has_info) pr_out_info(dl, nlh, tb, has_versions); return MNL_CB_OK; } static int cmd_dev_info(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; if (dl_argv_match(dl, "help")) { cmd_dev_help(); return 0; } if (dl_no_arg(dl)) { flags |= NLM_F_DUMP; } else { err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_INFO_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "info"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_versions_show_cb, dl); pr_out_section_end(dl); return err; } struct cmd_dev_flash_status_ctx { struct dl *dl; struct timespec time_of_last_status; uint64_t status_msg_timeout; size_t elapsed_time_msg_len; char *last_msg; char *last_component; uint8_t not_first:1, last_pc:1, received_end:1, flash_done:1; }; static int nullstrcmp(const char *str1, const char *str2) { if (str1 && str2) return strcmp(str1, str2); if (!str1 && !str2) return 0; return str1 ? 1 : -1; } static void cmd_dev_flash_clear_elapsed_time(struct cmd_dev_flash_status_ctx *ctx) { int i; for (i = 0; i < ctx->elapsed_time_msg_len; i++) pr_out_tty("\b \b"); ctx->elapsed_time_msg_len = 0; } static int cmd_dev_flash_status_cb(const struct nlmsghdr *nlh, void *data) { struct cmd_dev_flash_status_ctx *ctx = data; struct dl_opts *opts = &ctx->dl->opts; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; const char *component = NULL; uint64_t done = 0, total = 0; const char *msg = NULL; const char *bus_name; const char *dev_name; cmd_dev_flash_clear_elapsed_time(ctx); if (genl->cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS && genl->cmd != DEVLINK_CMD_FLASH_UPDATE_END) return MNL_CB_STOP; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_STOP; bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); if (strcmp(bus_name, opts->bus_name) || strcmp(dev_name, opts->dev_name)) return MNL_CB_STOP; if (genl->cmd == DEVLINK_CMD_FLASH_UPDATE_END) { pr_out("\n"); free(ctx->last_msg); free(ctx->last_component); ctx->received_end = 1; return MNL_CB_STOP; } if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) msg = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]); if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) component = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]); if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]) done = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]); if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]) total = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]); if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TIMEOUT]) ctx->status_msg_timeout = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TIMEOUT]); else ctx->status_msg_timeout = 0; if (!nullstrcmp(msg, ctx->last_msg) && !nullstrcmp(component, ctx->last_component) && ctx->last_pc && ctx->not_first) { pr_out_tty("\b\b\b\b\b"); /* clean percentage */ } else { /* only update the last status timestamp if the message changed */ clock_gettime(CLOCK_MONOTONIC, &ctx->time_of_last_status); if (ctx->not_first) pr_out("\n"); if (component) { pr_out("[%s] ", component); free(ctx->last_component); ctx->last_component = strdup(component); } if (msg) { pr_out("%s", msg); free(ctx->last_msg); ctx->last_msg = strdup(msg); } } if (total) { pr_out_tty(" %3"PRIu64"%%", (done * 100) / total); ctx->last_pc = 1; } else { ctx->last_pc = 0; } fflush(stdout); ctx->not_first = 1; return MNL_CB_STOP; } static void cmd_dev_flash_time_elapsed(struct cmd_dev_flash_status_ctx *ctx) { struct timespec now, res; clock_gettime(CLOCK_MONOTONIC, &now); res.tv_sec = now.tv_sec - ctx->time_of_last_status.tv_sec; res.tv_nsec = now.tv_nsec - ctx->time_of_last_status.tv_nsec; if (res.tv_nsec < 0) { res.tv_sec--; res.tv_nsec += 1000000000L; } /* Only begin displaying an elapsed time message if we've waited a few * seconds with no response, or the status message included a timeout * value. */ if (res.tv_sec > 2 || ctx->status_msg_timeout) { uint64_t elapsed_m, elapsed_s; char msg[128]; size_t len; /* clear the last elapsed time message, if we have one */ cmd_dev_flash_clear_elapsed_time(ctx); elapsed_m = res.tv_sec / 60; elapsed_s = res.tv_sec % 60; /** * If we've elapsed a few seconds without receiving any status * notification from the device, we display a time elapsed * message. This has a few possible formats: * * 1) just time elapsed, when no timeout was provided * " ( Xm Ys )" * 2) time elapsed out of a timeout that came from the device * driver via DEVLINK_CMD_FLASH_UPDATE_STATUS_TIMEOUT * " ( Xm Ys : Am Ys)" * 3) time elapsed if we still receive no status after * reaching the provided timeout. * " ( Xm Ys : timeout reached )" */ if (!ctx->status_msg_timeout) { len = snprintf(msg, sizeof(msg), " ( %"PRIu64"m %"PRIu64"s )", elapsed_m, elapsed_s); } else if (res.tv_sec <= ctx->status_msg_timeout) { uint64_t timeout_m, timeout_s; timeout_m = ctx->status_msg_timeout / 60; timeout_s = ctx->status_msg_timeout % 60; len = snprintf(msg, sizeof(msg), " ( %"PRIu64"m %"PRIu64"s : %"PRIu64"m %"PRIu64"s )", elapsed_m, elapsed_s, timeout_m, timeout_s); } else { len = snprintf(msg, sizeof(msg), " ( %"PRIu64"m %"PRIu64"s : timeout reached )", elapsed_m, elapsed_s); } ctx->elapsed_time_msg_len = len; pr_out_tty("%s", msg); fflush(stdout); } } static int cmd_dev_flash_fds_process(struct cmd_dev_flash_status_ctx *ctx, struct mnlu_gen_socket *nlg_ntf, int pipe_r) { int nlfd = mnlg_socket_get_fd(nlg_ntf); struct timeval timeout; fd_set fds[3]; int fdmax; int i; int err; int err2; for (i = 0; i < 3; i++) FD_ZERO(&fds[i]); FD_SET(pipe_r, &fds[0]); fdmax = pipe_r + 1; FD_SET(nlfd, &fds[0]); if (nlfd >= fdmax) fdmax = nlfd + 1; /* select only for a short while (1/10th of a second) in order to * allow periodically updating the screen with an elapsed time * indicator. */ timeout.tv_sec = 0; timeout.tv_usec = 100000; while (select(fdmax, &fds[0], &fds[1], &fds[2], &timeout) < 0) { if (errno == EINTR) continue; pr_err("select() failed\n"); return -errno; } if (FD_ISSET(nlfd, &fds[0])) { err = mnlu_gen_socket_recv_run(nlg_ntf, cmd_dev_flash_status_cb, ctx); if (err) return err; } if (FD_ISSET(pipe_r, &fds[0])) { err = read(pipe_r, &err2, sizeof(err2)); if (err == -1) { pr_err("Failed to read pipe\n"); return -errno; } if (err2) return err2; ctx->flash_done = 1; } cmd_dev_flash_time_elapsed(ctx); return 0; } static int cmd_dev_flash(struct dl *dl) { struct cmd_dev_flash_status_ctx ctx = {.dl = dl,}; struct mnlu_gen_socket nlg_ntf; struct nlmsghdr *nlh; int pipe_r, pipe_w; int pipe_fds[2]; pid_t pid; int err; if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dev_help(); return 0; } err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME, DL_OPT_FLASH_COMPONENT | DL_OPT_FLASH_OVERWRITE); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_FLASH_UPDATE, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); err = mnlu_gen_socket_open(&nlg_ntf, DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION); if (err) return err; err = _mnlg_socket_group_add(&nlg_ntf, DEVLINK_GENL_MCGRP_CONFIG_NAME); if (err) goto err_socket; err = pipe(pipe_fds); if (err == -1) { err = -errno; goto err_socket; } pipe_r = pipe_fds[0]; pipe_w = pipe_fds[1]; pid = fork(); if (pid == -1) { close(pipe_w); err = -errno; goto out; } else if (!pid) { /* In child, just execute the flash and pass returned * value through pipe once it is done. */ int cc; close(pipe_r); err = _mnlg_socket_send(&dl->nlg, nlh); cc = write(pipe_w, &err, sizeof(err)); close(pipe_w); exit(cc != sizeof(err)); } close(pipe_w); /* initialize starting time to allow comparison for when to begin * displaying a time elapsed message. */ clock_gettime(CLOCK_MONOTONIC, &ctx.time_of_last_status); do { err = cmd_dev_flash_fds_process(&ctx, &nlg_ntf, pipe_r); if (err) goto out; } while (!ctx.flash_done || (ctx.not_first && !ctx.received_end)); err = mnlu_gen_socket_recv_run(&dl->nlg, NULL, NULL); if (err < 0) pr_err("devlink answers: %s\n", strerror(errno)); out: close(pipe_r); err_socket: mnlu_gen_socket_close(&nlg_ntf); return err; } static const char *devlink_get_selftest_name(int id) { switch (id) { case DEVLINK_ATTR_SELFTEST_ID_FLASH: return "flash"; default: return "unknown"; } } static const enum mnl_attr_data_type devlink_selftest_id_policy[DEVLINK_ATTR_SELFTEST_ID_MAX + 1] = { [DEVLINK_ATTR_SELFTEST_ID_FLASH] = MNL_TYPE_FLAG, }; static int selftests_attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; if (mnl_attr_type_valid(attr, DEVLINK_ATTR_SELFTEST_ID_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, devlink_selftest_id_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static int cmd_dev_selftests_show_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *selftests[DEVLINK_ATTR_SELFTEST_ID_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; int avail = 0; int err; int i; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_SELFTESTS]) return MNL_CB_ERROR; err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_SELFTESTS], selftests_attr_cb, selftests); if (err != MNL_CB_OK) return MNL_CB_ERROR; for (i = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; i <= DEVLINK_ATTR_SELFTEST_ID_MAX; i++) { if (!(selftests[i])) continue; if (!avail) { pr_out_selftests_handle_start(dl, tb); avail = 1; } check_indent_newline(dl); print_string(PRINT_ANY, NULL, "%s", devlink_get_selftest_name(i)); } if (avail) { pr_out_selftests_handle_end(dl); } return MNL_CB_OK; } static const char *devlink_selftest_status_to_str(uint8_t status) { switch (status) { case DEVLINK_SELFTEST_STATUS_SKIP: return "skipped"; case DEVLINK_SELFTEST_STATUS_PASS: return "passed"; case DEVLINK_SELFTEST_STATUS_FAIL: return "failed"; default: return "unknown"; } } static const enum mnl_attr_data_type devlink_selftests_result_policy[DEVLINK_ATTR_SELFTEST_RESULT_MAX + 1] = { [DEVLINK_ATTR_SELFTEST_RESULT] = MNL_TYPE_NESTED, [DEVLINK_ATTR_SELFTEST_RESULT_ID] = MNL_TYPE_U32, [DEVLINK_ATTR_SELFTEST_RESULT_STATUS] = MNL_TYPE_U8, }; static int selftests_result_attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; if (mnl_attr_type_valid(attr, DEVLINK_ATTR_SELFTEST_RESULT_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, devlink_selftests_result_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static int cmd_dev_selftests_run_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *selftest; struct dl *dl = data; int avail = 0; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_SELFTESTS]) return MNL_CB_ERROR; mnl_attr_for_each_nested(selftest, tb[DEVLINK_ATTR_SELFTESTS]) { struct nlattr *result[DEVLINK_ATTR_SELFTEST_RESULT_MAX + 1] = {}; uint8_t status; int err; int id; err = mnl_attr_parse_nested(selftest, selftests_result_attr_cb, result); if (err != MNL_CB_OK) return MNL_CB_ERROR; if (!result[DEVLINK_ATTR_SELFTEST_RESULT_ID] || !result[DEVLINK_ATTR_SELFTEST_RESULT_STATUS]) return MNL_CB_ERROR; if (!avail) { pr_out_section_start(dl, "selftests"); __pr_out_handle_start(dl, tb, true, false); __pr_out_indent_inc(); avail = 1; if (!dl->json_output) __pr_out_newline(); } id = mnl_attr_get_u32(result[DEVLINK_ATTR_SELFTEST_RESULT_ID]); status = mnl_attr_get_u8(result[DEVLINK_ATTR_SELFTEST_RESULT_STATUS]); pr_out_object_start(dl, devlink_get_selftest_name(id)); check_indent_newline(dl); print_string_name_value("status", devlink_selftest_status_to_str(status)); pr_out_object_end(dl); if (!dl->json_output) __pr_out_newline(); } if (avail) { __pr_out_indent_dec(); pr_out_handle_end(dl); pr_out_section_end(dl); } return MNL_CB_OK; } static int cmd_dev_selftests_run(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_SELFTESTS); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SELFTESTS_RUN, flags); dl_opts_put(nlh, dl); if (!(dl->opts.present & DL_OPT_SELFTESTS)) dl_selftests_put(nlh, &dl->opts); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_selftests_run_cb, dl); return err; } static int cmd_dev_selftests_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; if (dl_argc(dl) == 0) { flags |= NLM_F_DUMP; } else { err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SELFTESTS_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "selftests"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_selftests_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_dev_selftests(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_dev_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_dev_selftests_show(dl); } else if (dl_argv_match(dl, "run")) { dl_arg_inc(dl); return cmd_dev_selftests_run(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_dev(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_dev_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_dev_show(dl); } else if (dl_argv_match(dl, "eswitch")) { dl_arg_inc(dl); return cmd_dev_eswitch(dl); } else if (dl_argv_match(dl, "reload")) { dl_arg_inc(dl); return cmd_dev_reload(dl); } else if (dl_argv_match(dl, "param")) { dl_arg_inc(dl); return cmd_dev_param(dl); } else if (dl_argv_match(dl, "info")) { dl_arg_inc(dl); return cmd_dev_info(dl); } else if (dl_argv_match(dl, "flash")) { dl_arg_inc(dl); return cmd_dev_flash(dl); } else if (dl_argv_match(dl, "selftests")) { dl_arg_inc(dl); return cmd_dev_selftests(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void cmd_port_help(void) { pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n"); pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n"); pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n"); pr_err(" devlink port unsplit DEV/PORT_INDEX\n"); pr_err(" devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state { active | inactive } ]\n"); pr_err(" [ roce { enable | disable } ] [ migratable { enable | disable } ]\n"); pr_err(" [ ipsec_crypto { enable | disable } ] [ ipsec_packet { enable | disable } ]\n"); pr_err(" [ max_io_eqs EQS ]\n"); pr_err(" devlink port function rate { help | show | add | del | set }\n"); pr_err(" devlink port param set DEV/PORT_INDEX name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n"); pr_err(" devlink port param show [DEV/PORT_INDEX name PARAMETER]\n"); pr_err(" devlink port health show [ DEV/PORT_INDEX reporter REPORTER_NAME ]\n"); pr_err(" devlink port add DEV/PORT_INDEX flavour FLAVOUR pfnum PFNUM\n" " [ sfnum SFNUM ][ controller CNUM ]\n"); pr_err(" devlink port del DEV/PORT_INDEX\n"); } static const char *port_type_name(uint32_t type) { switch (type) { case DEVLINK_PORT_TYPE_NOTSET: return "notset"; case DEVLINK_PORT_TYPE_AUTO: return "auto"; case DEVLINK_PORT_TYPE_ETH: return "eth"; case DEVLINK_PORT_TYPE_IB: return "ib"; default: return "<unknown type>"; } } static const char *port_flavour_name(uint16_t flavour) { const char *str; str = str_map_lookup_u16(port_flavour_map, flavour); return str ? str : "<unknown flavour>"; } static void pr_out_port_pfvfsf_num(struct dl *dl, struct nlattr **tb) { uint16_t fn_num; if (tb[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER]) print_uint(PRINT_ANY, "controller", " controller %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER])); if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) { fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]); print_uint(PRINT_ANY, "pfnum", " pfnum %u", fn_num); } if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) { fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]); print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num); } if (tb[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]) { fn_num = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]); print_uint(PRINT_ANY, "sfnum", " sfnum %u", fn_num); } if (tb[DEVLINK_ATTR_PORT_EXTERNAL]) { uint8_t external; external = mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_EXTERNAL]); print_bool(PRINT_ANY, "external", " external %s", external); } } static const char *port_fn_state(uint8_t state) { const char *str; str = str_map_lookup_u8(port_fn_state_map, state); return str ? str : "<unknown state>"; } static const char *port_fn_opstate(uint8_t state) { const char *str; str = str_map_lookup_u8(port_fn_opstate_map, state); return str ? str : "<unknown state>"; } static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port) { struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {}; unsigned char *data; SPRINT_BUF(hw_addr); uint32_t len; int err; if (!tb_port[DEVLINK_ATTR_PORT_FUNCTION]) return; err = mnl_attr_parse_nested(tb_port[DEVLINK_ATTR_PORT_FUNCTION], function_attr_cb, tb); if (err != MNL_CB_OK) return; pr_out_object_start(dl, "function"); check_indent_newline(dl); if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]) { len = mnl_attr_get_payload_len(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); data = mnl_attr_get_payload(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); print_string(PRINT_ANY, "hw_addr", "hw_addr %s", ll_addr_n2a(data, len, 0, hw_addr, sizeof(hw_addr))); } if (tb[DEVLINK_PORT_FN_ATTR_STATE]) { uint8_t state; state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_STATE]); print_string(PRINT_ANY, "state", " state %s", port_fn_state(state)); } if (tb[DEVLINK_PORT_FN_ATTR_OPSTATE]) { uint8_t state; state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_OPSTATE]); print_string(PRINT_ANY, "opstate", " opstate %s", port_fn_opstate(state)); } if (tb[DEVLINK_PORT_FN_ATTR_CAPS]) { struct nla_bitfield32 *port_fn_caps = mnl_attr_get_payload(tb[DEVLINK_PORT_FN_ATTR_CAPS]); if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_ROCE) print_string(PRINT_ANY, "roce", " roce %s", port_fn_caps->value & DEVLINK_PORT_FN_CAP_ROCE ? "enable" : "disable"); if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_MIGRATABLE) print_string(PRINT_ANY, "migratable", " migratable %s", port_fn_caps->value & DEVLINK_PORT_FN_CAP_MIGRATABLE ? "enable" : "disable"); if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO) print_string(PRINT_ANY, "ipsec_crypto", " ipsec_crypto %s", port_fn_caps->value & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO ? "enable" : "disable"); if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_IPSEC_PACKET) print_string(PRINT_ANY, "ipsec_packet", " ipsec_packet %s", port_fn_caps->value & DEVLINK_PORT_FN_CAP_IPSEC_PACKET ? "enable" : "disable"); } if (tb[DEVLINK_PORT_FN_ATTR_MAX_IO_EQS]) { uint32_t max_io_eqs; max_io_eqs = mnl_attr_get_u32(tb[DEVLINK_PORT_FN_ATTR_MAX_IO_EQS]); print_uint(PRINT_ANY, "max_io_eqs", " max_io_eqs %u", max_io_eqs); } if (tb[DEVLINK_PORT_FN_ATTR_DEVLINK]) pr_out_nested_handle_obj(dl, tb[DEVLINK_PORT_FN_ATTR_DEVLINK], true, true); if (!dl->json_output) __pr_out_indent_dec(); pr_out_object_end(dl); } static void pr_out_port(struct dl *dl, struct nlattr **tb) { struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE]; struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE]; pr_out_port_handle_start(dl, tb, false); check_indent_newline(dl); if (pt_attr) { uint16_t port_type = mnl_attr_get_u16(pt_attr); print_string(PRINT_ANY, "type", "type %s", port_type_name(port_type)); if (dpt_attr) { uint16_t des_port_type = mnl_attr_get_u16(dpt_attr); if (port_type != des_port_type) print_string(PRINT_ANY, "des_type", " des_type %s", port_type_name(des_port_type)); } } if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) { print_string(PRINT_ANY, "netdev", " netdev %s", mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME])); } if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME]) { print_string(PRINT_ANY, "ibdev", " ibdev %s", mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME])); } if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) { uint16_t port_flavour = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]); print_string(PRINT_ANY, "flavour", " flavour %s", port_flavour_name(port_flavour)); switch (port_flavour) { case DEVLINK_PORT_FLAVOUR_PCI_PF: case DEVLINK_PORT_FLAVOUR_PCI_VF: case DEVLINK_PORT_FLAVOUR_PCI_SF: pr_out_port_pfvfsf_num(dl, tb); break; default: break; } } if (tb[DEVLINK_ATTR_LINECARD_INDEX]) print_uint(PRINT_ANY, "lc", " lc %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX])); if (tb[DEVLINK_ATTR_PORT_NUMBER]) { uint32_t port_number; port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]); print_uint(PRINT_ANY, "port", " port %u", port_number); } if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]) print_uint(PRINT_ANY, "split_group", " split_group %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])); if (tb[DEVLINK_ATTR_PORT_SPLITTABLE]) print_bool(PRINT_ANY, "splittable", " splittable %s", mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_SPLITTABLE])); if (tb[DEVLINK_ATTR_PORT_LANES]) print_uint(PRINT_ANY, "lanes", " lanes %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_LANES])); pr_out_port_function(dl, tb); pr_out_port_handle_end(dl); } static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) return MNL_CB_ERROR; pr_out_port(dl, tb); return MNL_CB_OK; } static int cmd_port_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_PORT_GET, DL_OPT_HANDLEP, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "port"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_port_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_split(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SPLIT, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_unsplit(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_UNSPLIT, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_param_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_PORT_PARAM_GET, DL_OPT_HANDLEP | DL_OPT_PARAM_NAME, 0, DL_OPT_HANDLE | DL_OPT_HANDLEP, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "param"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_param_show_cb, dl); pr_out_section_end(dl); return err; } static void cmd_port_function_help(void) { pr_err("Usage: devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state { active | inactive } ]\n"); pr_err(" [ roce { enable | disable } ] [ migratable { enable | disable } ]\n"); pr_err(" [ ipsec_crypto { enable | disable } ] [ ipsec_packet { enable | disable } ]\n"); pr_err(" devlink port function rate { help | show | add | del | set }\n"); } static int cmd_port_function_set(struct dl *dl) { struct nlmsghdr *nlh; int err; if (dl_no_arg(dl)) { cmd_port_function_help(); return 0; } err = dl_argv_parse(dl, DL_OPT_HANDLEP, DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE | DL_OPT_PORT_FN_CAPS | DL_OPT_PORT_FN_MAX_IO_EQS); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_param_set_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *param_value_attr; enum devlink_param_cmode cmode; struct param_ctx *ctx = data; struct dl *dl = ctx->dl; int nla_type; int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_PARAM]) return MNL_CB_ERROR; err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); if (err != MNL_CB_OK) return MNL_CB_ERROR; if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] || !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) return MNL_CB_ERROR; nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); mnl_attr_for_each_nested(param_value_attr, nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *val_attr; err = mnl_attr_parse_nested(param_value_attr, attr_cb, nla_value); if (err != MNL_CB_OK) return MNL_CB_ERROR; if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || (nla_type != MNL_TYPE_FLAG && !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) return MNL_CB_ERROR; cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]); if (cmode == dl->opts.cmode) { val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; switch (nla_type) { case MNL_TYPE_U8: ctx->value.vu8 = mnl_attr_get_u8(val_attr); break; case MNL_TYPE_U16: ctx->value.vu16 = mnl_attr_get_u16(val_attr); break; case MNL_TYPE_U32: ctx->value.vu32 = mnl_attr_get_u32(val_attr); break; case MNL_TYPE_STRING: ctx->value.vstr = mnl_attr_get_str(val_attr); break; case MNL_TYPE_FLAG: ctx->value.vbool = val_attr ? true : false; break; } break; } } ctx->nla_type = nla_type; return MNL_CB_OK; } static int cmd_port_param_set(struct dl *dl) { struct param_ctx ctx = {}; struct nlmsghdr *nlh; bool conv_exists; uint32_t val_u32 = 0; uint16_t val_u16; uint8_t val_u8; bool val_bool; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PARAM_NAME | DL_OPT_PARAM_VALUE | DL_OPT_PARAM_CMODE, 0); if (err) return err; /* Get value type */ nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_GET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); ctx.dl = dl; err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_param_set_cb, &ctx); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name); mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type); switch (ctx.nla_type) { case MNL_TYPE_U8: if (conv_exists) { err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); val_u8 = val_u32; } else { err = get_u8(&val_u8, dl->opts.param_value, 10); } if (err) goto err_param_value_parse; if (val_u8 == ctx.value.vu8) return 0; mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8); break; case MNL_TYPE_U16: if (conv_exists) { err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); val_u16 = val_u32; } else { err = get_u16(&val_u16, dl->opts.param_value, 10); } if (err) goto err_param_value_parse; if (val_u16 == ctx.value.vu16) return 0; mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16); break; case MNL_TYPE_U32: if (conv_exists) err = param_val_conv_uint_get(param_val_conv, PARAM_VAL_CONV_LEN, dl->opts.param_name, dl->opts.param_value, &val_u32); else err = get_u32(&val_u32, dl->opts.param_value, 10); if (err) goto err_param_value_parse; if (val_u32 == ctx.value.vu32) return 0; mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32); break; case MNL_TYPE_FLAG: err = strtobool(dl->opts.param_value, &val_bool); if (err) goto err_param_value_parse; if (val_bool == ctx.value.vbool) return 0; if (val_bool) mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, 0, NULL); break; case MNL_TYPE_STRING: mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, dl->opts.param_value); if (!strcmp(dl->opts.param_value, ctx.value.vstr)) return 0; break; default: printf("Value type not supported\n"); return -ENOTSUP; } return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); err_param_value_parse: pr_err("Value \"%s\" is not a number or not within range\n", dl->opts.param_value); return err; } static int cmd_port_param(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_port_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_port_param_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_port_param_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_port_rate_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice) { const char *bus_name; const char *dev_name; const char *node_name; static char buf[64]; bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); node_name = mnl_attr_get_str(tb[DEVLINK_ATTR_RATE_NODE_NAME]); snprintf(buf, sizeof(buf), "%s/%s/%s", bus_name, dev_name, node_name); if (dl->json_output) open_json_object(buf); else pr_out("%s:", buf); } static char *port_rate_type_name(uint16_t type) { switch (type) { case DEVLINK_RATE_TYPE_LEAF: return "leaf"; case DEVLINK_RATE_TYPE_NODE: return "node"; default: return "<unknown type>"; } } static const enum mnl_attr_data_type rate_tc_bws_policy[DEVLINK_RATE_TC_ATTR_BW + 1] = { [DEVLINK_RATE_TC_ATTR_INDEX] = MNL_TYPE_U8, [DEVLINK_RATE_TC_ATTR_BW] = MNL_TYPE_U32, }; static int rate_tc_bw_attr_cb(const struct nlattr *attr, void *data) { const struct nlattr **tb = data; int type; if (mnl_attr_type_valid(attr, DEVLINK_RATE_TC_ATTR_MAX) < 0) return MNL_CB_OK; type = mnl_attr_get_type(attr); if (mnl_attr_validate(attr, rate_tc_bws_policy[type]) < 0) return MNL_CB_ERROR; tb[type] = attr; return MNL_CB_OK; } static int parse_rate_tc_bw(struct nlattr *nla_tc_bw, uint8_t *tc_index, uint32_t *tc_bw) { struct nlattr *tb_tc_bw[DEVLINK_RATE_TC_ATTR_MAX + 1] = {}; if (mnl_attr_parse_nested(nla_tc_bw, rate_tc_bw_attr_cb, tb_tc_bw) != MNL_CB_OK) return MNL_CB_ERROR; if (!tb_tc_bw[DEVLINK_RATE_TC_ATTR_INDEX] || !tb_tc_bw[DEVLINK_RATE_TC_ATTR_BW]) return MNL_CB_ERROR; *tc_index = mnl_attr_get_u8(tb_tc_bw[DEVLINK_RATE_TC_ATTR_INDEX]); *tc_bw = mnl_attr_get_u32(tb_tc_bw[DEVLINK_RATE_TC_ATTR_BW]); return MNL_CB_OK; } static void pr_out_port_fn_rate_tc_bw(struct dl *dl, const struct nlmsghdr *nlh) { struct nlattr *nla_tc_bw; mnl_attr_for_each(nla_tc_bw, nlh, sizeof(struct genlmsghdr)) { uint8_t tc_index; uint32_t tc_bw; if (mnl_attr_get_type(nla_tc_bw) != DEVLINK_ATTR_RATE_TC_BWS) continue; if (parse_rate_tc_bw(nla_tc_bw, &tc_index, &tc_bw) != MNL_CB_OK) continue; if (tc_bw) { char buf[32]; if (dl->json_output) { snprintf(buf, sizeof(buf), "tc_%u", tc_index); print_uint(PRINT_JSON, buf, "%u", tc_bw); } else { snprintf(buf, sizeof(buf), " tc_%u bw %u", tc_index, tc_bw); print_string(PRINT_ANY, NULL, "%s", buf); } } } } static void pr_out_port_fn_rate(struct dl *dl, const struct nlmsghdr *nlh, struct nlattr **tb) { if (!tb[DEVLINK_ATTR_RATE_NODE_NAME]) pr_out_port_handle_start(dl, tb, false); else pr_out_port_rate_handle_start(dl, tb, false); check_indent_newline(dl); if (tb[DEVLINK_ATTR_RATE_TYPE]) { uint16_t type = mnl_attr_get_u16(tb[DEVLINK_ATTR_RATE_TYPE]); print_string(PRINT_ANY, "type", "type %s", port_rate_type_name(type)); } if (tb[DEVLINK_ATTR_RATE_TX_SHARE]) { uint64_t rate = mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_SHARE]); if (rate) print_rate(dl->use_iec, PRINT_ANY, "tx_share", " tx_share %s", rate); } if (tb[DEVLINK_ATTR_RATE_TX_MAX]) { uint64_t rate = mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_MAX]); if (rate) print_rate(dl->use_iec, PRINT_ANY, "tx_max", " tx_max %s", rate); } if (tb[DEVLINK_ATTR_RATE_TX_PRIORITY]) { uint32_t priority = mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_PRIORITY]); if (priority) print_uint(PRINT_ANY, "tx_priority", " tx_priority %u", priority); } if (tb[DEVLINK_ATTR_RATE_TX_WEIGHT]) { uint32_t weight = mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_WEIGHT]); if (weight) print_uint(PRINT_ANY, "tx_weight", " tx_weight %u", weight); } if (tb[DEVLINK_ATTR_RATE_PARENT_NODE_NAME]) { const char *parent = mnl_attr_get_str(tb[DEVLINK_ATTR_RATE_PARENT_NODE_NAME]); print_string(PRINT_ANY, "parent", " parent %s", parent); } if (tb[DEVLINK_ATTR_RATE_TC_BWS]) pr_out_port_fn_rate_tc_bw(dl, nlh); pr_out_port_handle_end(dl); } static int cmd_port_fn_rate_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if ((!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) && !tb[DEVLINK_ATTR_RATE_NODE_NAME]) { return MNL_CB_ERROR; } pr_out_port_fn_rate(dl, nlh, tb); return MNL_CB_OK; } static void cmd_port_fn_rate_help(void) { pr_err("Usage: devlink port function rate help\n"); pr_err(" devlink port function rate show [ DEV/{ PORT_INDEX | NODE_NAME } ]\n"); pr_err(" devlink port function rate add DEV/NODE_NAME\n"); pr_err(" [ tx_share VAL ][ tx_max VAL ][ tx_priority N ][ tx_weight N ][ tc-bw INDEX:N ... INDEX:N ][ { parent NODE_NAME | noparent } ]\n"); pr_err(" devlink port function rate del DEV/NODE_NAME\n"); pr_err(" devlink port function rate set DEV/{ PORT_INDEX | NODE_NAME }\n"); pr_err(" [ tx_share VAL ][ tx_max VAL ][ tx_priority N ][ tx_weight N ][ tc-bw INDEX:N ... INDEX:N ][ { parent NODE_NAME | noparent } ]\n\n"); pr_err(" VAL - float or integer value in units of bits or bytes per second (bit|bps)\n"); pr_err(" N - integer representing priority/weight of the node among siblings\n"); pr_err(" INDEX - integer representing traffic class index in the tc-bw option, ranging from 0 to 7\n"); pr_err(" and SI (k-, m-, g-, t-) or IEC (ki-, mi-, gi-, ti-) case-insensitive prefix.\n"); pr_err(" Bare number, means bits per second, is possible.\n\n"); pr_err(" For details refer to devlink-rate(8) man page.\n"); } static int cmd_port_fn_rate_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_RATE_GET, DL_OPT_HANDLEP | DL_OPT_PORT_FN_RATE_NODE_NAME, 0, DL_OPT_HANDLE, 0); nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "rate"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_fn_rate_show_cb, dl); pr_out_section_end(dl); return err; } static int port_fn_check_tx_rates(uint64_t min_rate, uint64_t max_rate) { if (max_rate && min_rate > max_rate) { pr_err("Invalid. Expected tx_share <= tx_max or tx_share == 0.\n"); return -EINVAL; } return 0; } static int port_fn_get_and_check_tx_rates(struct dl_opts *reply, struct dl_opts *request) { uint64_t min = reply->rate_tx_share; uint64_t max = reply->rate_tx_max; if (request->present & DL_OPT_PORT_FN_RATE_TX_SHARE) return port_fn_check_tx_rates(request->rate_tx_share, max); return port_fn_check_tx_rates(min, request->rate_tx_max); } static int cmd_port_fn_rate_add(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_PORT_FN_RATE_NODE_NAME, DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX | DL_OPT_PORT_FN_RATE_TX_PRIORITY | DL_OPT_PORT_FN_RATE_TX_WEIGHT | DL_OPT_PORT_FN_RATE_PARENT | DL_OPT_PORT_FN_RATE_TC_BWS); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_NEW, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); if ((dl->opts.present & DL_OPT_PORT_FN_RATE_TX_SHARE) && (dl->opts.present & DL_OPT_PORT_FN_RATE_TX_MAX)) { err = port_fn_check_tx_rates(dl->opts.rate_tx_share, dl->opts.rate_tx_max); if (err) return err; } return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_fn_rate_del(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_PORT_FN_RATE_NODE_NAME, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_DEL, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static void parse_tc_bw_entries(const struct nlmsghdr *nlh, struct dl_opts *opts) { struct nlattr *nla_tc_bw; mnl_attr_for_each(nla_tc_bw, nlh, sizeof(struct genlmsghdr)) { uint8_t tc_index; uint32_t tc_bw; if (mnl_attr_get_type(nla_tc_bw) != DEVLINK_ATTR_RATE_TC_BWS) continue; if (parse_rate_tc_bw(nla_tc_bw, &tc_index, &tc_bw) != MNL_CB_OK) continue; opts->rate_tc_bw[tc_index] = tc_bw; } } static int port_fn_get_rates_cb(const struct nlmsghdr *nlh, void *data) { struct dl_opts *opts = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if ((!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) && !tb[DEVLINK_ATTR_RATE_NODE_NAME]) { return MNL_CB_ERROR; } if (tb[DEVLINK_ATTR_RATE_TX_SHARE]) opts->rate_tx_share = mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_SHARE]); if (tb[DEVLINK_ATTR_RATE_TX_MAX]) opts->rate_tx_max = mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_MAX]); if (tb[DEVLINK_ATTR_RATE_TX_PRIORITY]) opts->rate_tx_priority = mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_PRIORITY]); if (tb[DEVLINK_ATTR_RATE_TX_WEIGHT]) opts->rate_tx_weight = mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_WEIGHT]); if (tb[DEVLINK_ATTR_RATE_TC_BWS]) parse_tc_bw_entries(nlh, opts); return MNL_CB_OK; } static int cmd_port_fn_rate_set(struct dl *dl) { struct dl_opts tmp_opts = {0}; struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PORT_FN_RATE_NODE_NAME, DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX | DL_OPT_PORT_FN_RATE_TX_PRIORITY | DL_OPT_PORT_FN_RATE_TX_WEIGHT | DL_OPT_PORT_FN_RATE_PARENT | DL_OPT_PORT_FN_RATE_TC_BWS); if (err) return err; if ((dl->opts.present & DL_OPT_PORT_FN_RATE_TX_SHARE) && (dl->opts.present & DL_OPT_PORT_FN_RATE_TX_MAX)) { err = port_fn_check_tx_rates(dl->opts.rate_tx_share, dl->opts.rate_tx_max); if (err) return err; } else if (dl->opts.present & (DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX)) { nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_GET, NLM_F_REQUEST | NLM_F_ACK); tmp_opts = dl->opts; dl->opts.present &= ~(DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX | DL_OPT_PORT_FN_RATE_PARENT); dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, port_fn_get_rates_cb, &dl->opts); if (err) return err; err = port_fn_get_and_check_tx_rates(&dl->opts, &tmp_opts); if (err) return err; dl->opts = tmp_opts; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port_function_rate(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_port_fn_rate_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_port_fn_rate_show(dl); } else if (dl_argv_match(dl, "add")) { dl_arg_inc(dl); return cmd_port_fn_rate_add(dl); } else if (dl_argv_match(dl, "del")) { dl_arg_inc(dl); return cmd_port_fn_rate_del(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_port_fn_rate_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_port_function(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_port_function_help(); return 0; } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_port_function_set(dl); } else if (dl_argv_match(dl, "rate")) { dl_arg_inc(dl); return cmd_port_function_rate(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_health(struct dl *dl); static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port); static void cmd_port_add_help(void) { pr_err(" devlink port add DEV/PORT_INDEX flavour FLAVOUR pfnum PFNUM\n" " [ sfnum SFNUM ][ controller CNUM ]\n"); } static int cmd_port_add(struct dl *dl) { struct nlmsghdr *nlh; int err; if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_port_add_help(); return 0; } err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_PORT_FLAVOUR | DL_OPT_PORT_PFNUMBER, DL_OPT_PORT_SFNUMBER | DL_OPT_PORT_CONTROLLER); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_NEW, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_show_cb, dl); } static void cmd_port_del_help(void) { pr_err(" devlink port del DEV/PORT_INDEX\n"); } static int cmd_port_del(struct dl *dl) { struct nlmsghdr *nlh; int err; if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_port_del_help(); return 0; } err = dl_argv_parse(dl, DL_OPT_HANDLEP, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_DEL, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_port(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_port_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_port_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_port_set(dl); } else if (dl_argv_match(dl, "split")) { dl_arg_inc(dl); return cmd_port_split(dl); } else if (dl_argv_match(dl, "unsplit")) { dl_arg_inc(dl); return cmd_port_unsplit(dl); } else if (dl_argv_match(dl, "param")) { dl_arg_inc(dl); return cmd_port_param(dl); } else if (dl_argv_match(dl, "function")) { dl_arg_inc(dl); return cmd_port_function(dl); } else if (dl_argv_match(dl, "health")) { dl_arg_inc(dl); if (dl_argv_match(dl, "list") || dl_no_arg(dl) || (dl_argv_match(dl, "show") && dl_argc(dl) == 1)) { dl_arg_inc(dl); return __cmd_health_show(dl, false, true); } else { return cmd_health(dl); } } else if (dl_argv_match(dl, "add")) { dl_arg_inc(dl); return cmd_port_add(dl); } else if (dl_argv_match(dl, "del")) { dl_arg_inc(dl); return cmd_port_del(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void cmd_linecard_help(void) { pr_err("Usage: devlink lc show [ DEV [ lc LC_INDEX ] ]\n"); pr_err(" devlink lc set DEV lc LC_INDEX [ { type LC_TYPE | notype } ]\n"); } static const char *linecard_state_name(uint16_t flavour) { switch (flavour) { case DEVLINK_LINECARD_STATE_UNPROVISIONED: return "unprovisioned"; case DEVLINK_LINECARD_STATE_UNPROVISIONING: return "unprovisioning"; case DEVLINK_LINECARD_STATE_PROVISIONING: return "provisioning"; case DEVLINK_LINECARD_STATE_PROVISIONING_FAILED: return "provisioning_failed"; case DEVLINK_LINECARD_STATE_PROVISIONED: return "provisioned"; case DEVLINK_LINECARD_STATE_ACTIVE: return "active"; default: return "<unknown state>"; } } static void pr_out_linecard_supported_types(struct dl *dl, struct nlattr **tb) { struct nlattr *nla_types = tb[DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES]; struct nlattr *nla_type; if (!nla_types) return; pr_out_array_start(dl, "supported_types"); check_indent_newline(dl); mnl_attr_for_each_nested(nla_type, nla_types) { print_string(PRINT_ANY, NULL, " %s", mnl_attr_get_str(nla_type)); } pr_out_array_end(dl); } static void pr_out_linecard(struct dl *dl, struct nlattr **tb) { uint8_t state; pr_out_handle_start_arr(dl, tb); check_indent_newline(dl); print_uint(PRINT_ANY, "lc", "lc %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX])); state = mnl_attr_get_u8(tb[DEVLINK_ATTR_LINECARD_STATE]); print_string(PRINT_ANY, "state", " state %s", linecard_state_name(state)); if (tb[DEVLINK_ATTR_LINECARD_TYPE]) print_string(PRINT_ANY, "type", " type %s", mnl_attr_get_str(tb[DEVLINK_ATTR_LINECARD_TYPE])); if (tb[DEVLINK_ATTR_NESTED_DEVLINK]) pr_out_nested_handle(tb[DEVLINK_ATTR_NESTED_DEVLINK]); pr_out_linecard_supported_types(dl, tb); pr_out_handle_end(dl); } static int cmd_linecard_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_LINECARD_INDEX] || !tb[DEVLINK_ATTR_LINECARD_STATE]) return MNL_CB_ERROR; pr_out_linecard(dl, tb); return MNL_CB_OK; } static int cmd_linecard_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_LINECARD_GET, DL_OPT_HANDLE | DL_OPT_LINECARD, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_LINECARD_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "lc"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_linecard_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_linecard_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_LINECARD | DL_OPT_LINECARD_TYPE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_LINECARD_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_linecard(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_linecard_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_linecard_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_linecard_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void cmd_sb_help(void) { pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n"); pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n"); pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n"); pr_err(" size POOL_SIZE thtype { static | dynamic }\n"); pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n"); pr_err(" pool POOL_INDEX ]\n"); pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n"); pr_err(" pool POOL_INDEX th THRESHOLD\n"); pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); pr_err(" type { ingress | egress } ]\n"); pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); pr_err(" type { ingress | egress } pool POOL_INDEX\n"); pr_err(" th THRESHOLD\n"); pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n"); pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n"); pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n"); } static void pr_out_sb(struct dl *dl, struct nlattr **tb) { pr_out_handle_start_arr(dl, tb); check_indent_newline(dl); print_uint(PRINT_ANY, "sb", "sb %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); print_uint(PRINT_ANY, "size", " size %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE])); print_uint(PRINT_ANY, "ing_pools", " ing_pools %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT])); print_uint(PRINT_ANY, "eg_pools", " eg_pools %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT])); print_uint(PRINT_ANY, "ing_tcs", " ing_tcs %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT])); print_uint(PRINT_ANY, "eg_tcs", " eg_tcs %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])); pr_out_handle_end(dl); } static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] || !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] || !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] || !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] || !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]) return MNL_CB_ERROR; pr_out_sb(dl, tb); return MNL_CB_OK; } static int cmd_sb_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_GET, DL_OPT_HANDLE | DL_OPT_SB, 0, DL_OPT_HANDLE, DL_OPT_SB); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "sb"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_show_cb, dl); pr_out_section_end(dl); return err; } static const char *pool_type_name(uint8_t type) { switch (type) { case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress"; case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress"; default: return "<unknown type>"; } } static const char *threshold_type_name(uint8_t type) { switch (type) { case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static"; case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic"; default: return "<unknown type>"; } } static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb) { pr_out_handle_start_arr(dl, tb); check_indent_newline(dl); print_uint(PRINT_ANY, "sb", "sb %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); print_uint(PRINT_ANY, "pool", " pool %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); print_string(PRINT_ANY, "type", " type %s", pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); print_uint(PRINT_ANY, "size", " size %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE])); print_string(PRINT_ANY, "thtype", " thtype %s", threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]))); if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]) print_uint(PRINT_ANY, "cell_size", " cell size %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])); pr_out_handle_end(dl); } static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] || !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]) return MNL_CB_ERROR; pr_out_sb_pool(dl, tb); return MNL_CB_OK; } static int cmd_sb_pool_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_POOL_GET, DL_OPT_HANDLE | DL_OPT_SB | DL_OPT_SB_POOL, 0, DL_OPT_HANDLE, DL_OPT_SB); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "pool"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_pool_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_sb_pool_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB | DL_OPT_SB_POOL | DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_POOL_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_sb_pool(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_sb_pool_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_sb_pool_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb) { pr_out_port_handle_start_arr(dl, tb, true); check_indent_newline(dl); print_uint(PRINT_ANY, "sb", "sb %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); print_uint(PRINT_ANY, "pool", " pool %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); print_uint(PRINT_ANY, "threshold", " threshold %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); pr_out_port_handle_end(dl); } static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) return MNL_CB_ERROR; pr_out_sb_port_pool(dl, tb); return MNL_CB_OK; } static int cmd_sb_port_pool_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_PORT_POOL_GET, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_POOL, 0, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "port_pool"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl); pr_out_section_end(dl); return 0; } static int cmd_sb_port_pool_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_POOL | DL_OPT_SB_TH, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_sb_port_pool(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_sb_port_pool_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_sb_port_pool_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_sb_port(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "pool")) { dl_arg_inc(dl); return cmd_sb_port_pool(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb) { pr_out_port_handle_start_arr(dl, tb, true); check_indent_newline(dl); print_uint(PRINT_ANY, "sb", "sb %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); print_uint(PRINT_ANY, "tc", " tc %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX])); print_string(PRINT_ANY, "type", " type %s", pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); print_uint(PRINT_ANY, "pool", " pool %u", mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); print_uint(PRINT_ANY, "threshold", " threshold %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); pr_out_port_handle_end(dl); } static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) return MNL_CB_ERROR; pr_out_sb_tc_bind(dl, tb); return MNL_CB_OK; } static int cmd_sb_tc_bind_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_TC_POOL_BIND_GET, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_TC | DL_OPT_SB_TYPE, 0, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "tc_bind"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_sb_tc_bind_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_TC | DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_sb_tc_bind(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_sb_tc_bind_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_sb_tc_bind_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_sb_tc(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "bind")) { dl_arg_inc(dl); return cmd_sb_tc_bind(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } struct occ_item { struct list_head list; uint32_t index; uint32_t cur; uint32_t max; uint32_t bound_pool_index; }; struct occ_port { struct list_head list; char *bus_name; char *dev_name; uint32_t port_index; uint32_t sb_index; struct list_head pool_list; struct list_head ing_tc_list; struct list_head eg_tc_list; }; struct occ_show { struct dl *dl; int err; struct list_head port_list; }; static struct occ_item *occ_item_alloc(void) { return calloc(1, sizeof(struct occ_item)); } static void occ_item_free(struct occ_item *occ_item) { free(occ_item); } static struct occ_port *occ_port_alloc(uint32_t port_index) { struct occ_port *occ_port; occ_port = calloc(1, sizeof(*occ_port)); if (!occ_port) return NULL; occ_port->port_index = port_index; INIT_LIST_HEAD(&occ_port->pool_list); INIT_LIST_HEAD(&occ_port->ing_tc_list); INIT_LIST_HEAD(&occ_port->eg_tc_list); return occ_port; } static void occ_port_free(struct occ_port *occ_port) { struct occ_item *occ_item, *tmp; list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list) occ_item_free(occ_item); list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list) occ_item_free(occ_item); list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list) occ_item_free(occ_item); } static struct occ_show *occ_show_alloc(struct dl *dl) { struct occ_show *occ_show; occ_show = calloc(1, sizeof(*occ_show)); if (!occ_show) return NULL; occ_show->dl = dl; INIT_LIST_HEAD(&occ_show->port_list); return occ_show; } static void occ_show_free(struct occ_show *occ_show) { struct occ_port *occ_port, *tmp; list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list) occ_port_free(occ_port); } static struct occ_port *occ_port_get(struct occ_show *occ_show, struct nlattr **tb) { struct occ_port *occ_port; uint32_t port_index; port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) { if (occ_port->port_index == port_index) return occ_port; } occ_port = occ_port_alloc(port_index); if (!occ_port) return NULL; list_add_tail(&occ_port->list, &occ_show->port_list); return occ_port; } static void pr_out_occ_show_item_list(const char *label, struct list_head *list, bool bound_pool) { struct occ_item *occ_item; int i = 1; pr_out_sp(7, " %s:", label); list_for_each_entry(occ_item, list, list) { if ((i - 1) % 4 == 0 && i != 1) pr_out_sp(7, " "); if (bound_pool) pr_out_sp(7, "%2u(%u):", occ_item->index, occ_item->bound_pool_index); else pr_out_sp(7, "%2u:", occ_item->index); pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max); if (i++ % 4 == 0) pr_out("\n"); } if ((i - 1) % 4 != 0) pr_out("\n"); } static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label, struct list_head *list, bool bound_pool) { struct occ_item *occ_item; char buf[32]; open_json_object(label); list_for_each_entry(occ_item, list, list) { snprintf(buf, sizeof(buf), "%u", occ_item->index); open_json_object(buf); if (bound_pool) print_uint(PRINT_JSON, "bound_pool", NULL, occ_item->bound_pool_index); print_uint(PRINT_JSON, "current", NULL, occ_item->cur); print_uint(PRINT_JSON, "max", NULL, occ_item->max); close_json_object(); } close_json_object(); } static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port) { if (dl->json_output) { pr_out_json_occ_show_item_list(dl, "pool", &occ_port->pool_list, false); pr_out_json_occ_show_item_list(dl, "itc", &occ_port->ing_tc_list, true); pr_out_json_occ_show_item_list(dl, "etc", &occ_port->eg_tc_list, true); } else { pr_out("\n"); pr_out_occ_show_item_list("pool", &occ_port->pool_list, false); pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true); pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true); } } static void pr_out_occ_show(struct occ_show *occ_show) { struct dl *dl = occ_show->dl; struct dl_opts *opts = &dl->opts; struct occ_port *occ_port; list_for_each_entry(occ_port, &occ_show->port_list, list) { __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name, occ_port->port_index, NULL, true, false); pr_out_occ_show_port(dl, occ_port); pr_out_port_handle_end(dl); } } static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show, struct nlattr **tb) { struct occ_port *occ_port; struct occ_item *occ_item; if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) return; occ_port = occ_port_get(occ_show, tb); if (!occ_port) { occ_show->err = -ENOMEM; return; } occ_item = occ_item_alloc(); if (!occ_item) { occ_show->err = -ENOMEM; return; } occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); list_add_tail(&occ_item->list, &occ_port->pool_list); } static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data) { struct occ_show *occ_show = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) return MNL_CB_ERROR; cmd_sb_occ_port_pool_process(occ_show, tb); return MNL_CB_OK; } static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show, struct nlattr **tb) { struct occ_port *occ_port; struct occ_item *occ_item; uint8_t pool_type; if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) return; occ_port = occ_port_get(occ_show, tb); if (!occ_port) { occ_show->err = -ENOMEM; return; } occ_item = occ_item_alloc(); if (!occ_item) { occ_show->err = -ENOMEM; return; } occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]); occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); occ_item->bound_pool_index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]); if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS) list_add_tail(&occ_item->list, &occ_port->ing_tc_list); else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS) list_add_tail(&occ_item->list, &occ_port->eg_tc_list); else occ_item_free(occ_item); } static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data) { struct occ_show *occ_show = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) return MNL_CB_ERROR; cmd_sb_occ_tc_pool_process(occ_show, tb); return MNL_CB_OK; } static int cmd_sb_occ_show(struct dl *dl) { struct nlmsghdr *nlh; struct occ_show *occ_show; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_SB, 0); if (err) return err; occ_show = occ_show_alloc(dl); if (!occ_show) return -ENOMEM; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_occ_port_pool_process_cb, occ_show); if (err) goto out; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_occ_tc_pool_process_cb, occ_show); if (err) goto out; pr_out_section_start(dl, "occupancy"); pr_out_occ_show(occ_show); pr_out_section_end(dl); out: occ_show_free(occ_show); return err; } static int cmd_sb_occ_snapshot(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_sb_occ_clearmax(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_sb_occ(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list")) { dl_arg_inc(dl); return cmd_sb_occ_show(dl); } else if (dl_argv_match(dl, "snapshot")) { dl_arg_inc(dl); return cmd_sb_occ_snapshot(dl); } else if (dl_argv_match(dl, "clearmax")) { dl_arg_inc(dl); return cmd_sb_occ_clearmax(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_sb(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_sb_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_sb_show(dl); } else if (dl_argv_match(dl, "pool")) { dl_arg_inc(dl); return cmd_sb_pool(dl); } else if (dl_argv_match(dl, "port")) { dl_arg_inc(dl); return cmd_sb_port(dl); } else if (dl_argv_match(dl, "tc")) { dl_arg_inc(dl); return cmd_sb_tc(dl); } else if (dl_argv_match(dl, "occupancy")) { dl_arg_inc(dl); return cmd_sb_occ(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static const char *cmd_name(uint8_t cmd) { switch (cmd) { case DEVLINK_CMD_UNSPEC: return "unspec"; case DEVLINK_CMD_GET: return "get"; case DEVLINK_CMD_SET: return "set"; case DEVLINK_CMD_NEW: return "new"; case DEVLINK_CMD_DEL: return "del"; case DEVLINK_CMD_PORT_GET: return "get"; case DEVLINK_CMD_PORT_SET: return "set"; case DEVLINK_CMD_PORT_NEW: return "new"; case DEVLINK_CMD_PORT_DEL: return "del"; case DEVLINK_CMD_PARAM_GET: return "get"; case DEVLINK_CMD_PARAM_SET: return "set"; case DEVLINK_CMD_PARAM_NEW: return "new"; case DEVLINK_CMD_PARAM_DEL: return "del"; case DEVLINK_CMD_REGION_GET: return "get"; case DEVLINK_CMD_REGION_SET: return "set"; case DEVLINK_CMD_REGION_NEW: return "new"; case DEVLINK_CMD_REGION_DEL: return "del"; case DEVLINK_CMD_PORT_PARAM_GET: return "get"; case DEVLINK_CMD_PORT_PARAM_SET: return "set"; case DEVLINK_CMD_PORT_PARAM_NEW: return "new"; case DEVLINK_CMD_PORT_PARAM_DEL: return "del"; case DEVLINK_CMD_FLASH_UPDATE: return "begin"; case DEVLINK_CMD_FLASH_UPDATE_END: return "end"; case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status"; case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: return "status"; case DEVLINK_CMD_TRAP_GET: return "get"; case DEVLINK_CMD_TRAP_SET: return "set"; case DEVLINK_CMD_TRAP_NEW: return "new"; case DEVLINK_CMD_TRAP_DEL: return "del"; case DEVLINK_CMD_TRAP_GROUP_GET: return "get"; case DEVLINK_CMD_TRAP_GROUP_SET: return "set"; case DEVLINK_CMD_TRAP_GROUP_NEW: return "new"; case DEVLINK_CMD_TRAP_GROUP_DEL: return "del"; case DEVLINK_CMD_TRAP_POLICER_GET: return "get"; case DEVLINK_CMD_TRAP_POLICER_SET: return "set"; case DEVLINK_CMD_TRAP_POLICER_NEW: return "new"; case DEVLINK_CMD_TRAP_POLICER_DEL: return "del"; case DEVLINK_CMD_LINECARD_GET: return "get"; case DEVLINK_CMD_LINECARD_SET: return "set"; case DEVLINK_CMD_LINECARD_NEW: return "new"; case DEVLINK_CMD_LINECARD_DEL: return "del"; default: return "<unknown cmd>"; } } static const char *cmd_obj(uint8_t cmd) { switch (cmd) { case DEVLINK_CMD_UNSPEC: return "unspec"; case DEVLINK_CMD_GET: case DEVLINK_CMD_SET: case DEVLINK_CMD_NEW: case DEVLINK_CMD_DEL: return "dev"; case DEVLINK_CMD_PORT_GET: case DEVLINK_CMD_PORT_SET: case DEVLINK_CMD_PORT_NEW: case DEVLINK_CMD_PORT_DEL: return "port"; case DEVLINK_CMD_PARAM_GET: case DEVLINK_CMD_PARAM_SET: case DEVLINK_CMD_PARAM_NEW: case DEVLINK_CMD_PARAM_DEL: case DEVLINK_CMD_PORT_PARAM_GET: case DEVLINK_CMD_PORT_PARAM_SET: case DEVLINK_CMD_PORT_PARAM_NEW: case DEVLINK_CMD_PORT_PARAM_DEL: return "param"; case DEVLINK_CMD_REGION_GET: case DEVLINK_CMD_REGION_SET: case DEVLINK_CMD_REGION_NEW: case DEVLINK_CMD_REGION_DEL: return "region"; case DEVLINK_CMD_FLASH_UPDATE: case DEVLINK_CMD_FLASH_UPDATE_END: case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "flash"; case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: return "health"; case DEVLINK_CMD_TRAP_GET: case DEVLINK_CMD_TRAP_SET: case DEVLINK_CMD_TRAP_NEW: case DEVLINK_CMD_TRAP_DEL: return "trap"; case DEVLINK_CMD_TRAP_GROUP_GET: case DEVLINK_CMD_TRAP_GROUP_SET: case DEVLINK_CMD_TRAP_GROUP_NEW: case DEVLINK_CMD_TRAP_GROUP_DEL: return "trap-group"; case DEVLINK_CMD_TRAP_POLICER_GET: case DEVLINK_CMD_TRAP_POLICER_SET: case DEVLINK_CMD_TRAP_POLICER_NEW: case DEVLINK_CMD_TRAP_POLICER_DEL: return "trap-policer"; case DEVLINK_CMD_LINECARD_GET: case DEVLINK_CMD_LINECARD_SET: case DEVLINK_CMD_LINECARD_NEW: case DEVLINK_CMD_LINECARD_DEL: return "lc"; default: return "<unknown obj>"; } } static void pr_out_mon_header(uint8_t cmd) { if (!is_json_context()) { pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd)); } else { open_json_object(NULL); print_string(PRINT_JSON, "command", NULL, cmd_name(cmd)); open_json_object(cmd_obj(cmd)); } } static void pr_out_mon_footer(void) { if (is_json_context()) { close_json_object(); close_json_object(); } } static bool cmd_filter_check(struct dl *dl, uint8_t cmd) { const char *obj = cmd_obj(cmd); unsigned int index = 0; const char *cur_obj; if (dl_no_arg(dl)) return true; while ((cur_obj = dl_argv_index(dl, index++))) { if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0) return true; } return false; } static void pr_out_flash_update(struct dl *dl, struct nlattr **tb) { __pr_out_handle_start(dl, tb, true, false); if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) { check_indent_newline(dl); print_string(PRINT_ANY, "msg", "msg %s", mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG])); } if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) { check_indent_newline(dl); print_string(PRINT_ANY, "component", "component %s", mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT])); } if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]) pr_out_u64(dl, "done", mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])); if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]) pr_out_u64(dl, "total", mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])); pr_out_handle_end(dl); } static void pr_out_region(struct dl *dl, struct nlattr **tb); static void pr_out_health(struct dl *dl, struct nlattr **tb_health, bool show_device, bool show_port); static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array); static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array); static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array); static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data) { struct dl *dl = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); uint8_t cmd = genl->cmd; if (!cmd_filter_check(dl, cmd)) return MNL_CB_OK; switch (cmd) { case DEVLINK_CMD_GET: /* fall through */ case DEVLINK_CMD_SET: /* fall through */ case DEVLINK_CMD_NEW: /* fall through */ case DEVLINK_CMD_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); dl->stats = true; pr_out_dev(dl, nlh, tb); pr_out_mon_footer(); break; case DEVLINK_CMD_PORT_GET: /* fall through */ case DEVLINK_CMD_PORT_SET: /* fall through */ case DEVLINK_CMD_PORT_NEW: /* fall through */ case DEVLINK_CMD_PORT_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PORT_INDEX]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_port(dl, tb); pr_out_mon_footer(); break; case DEVLINK_CMD_PARAM_GET: /* fall through */ case DEVLINK_CMD_PARAM_SET: /* fall through */ case DEVLINK_CMD_PARAM_NEW: /* fall through */ case DEVLINK_CMD_PARAM_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_PARAM]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_param(dl, tb, false, false); pr_out_mon_footer(); break; case DEVLINK_CMD_REGION_GET: /* fall through */ case DEVLINK_CMD_REGION_SET: /* fall through */ case DEVLINK_CMD_REGION_NEW: /* fall through */ case DEVLINK_CMD_REGION_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_REGION_NAME]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_region(dl, tb); pr_out_mon_footer(); break; case DEVLINK_CMD_FLASH_UPDATE: /* fall through */ case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */ case DEVLINK_CMD_FLASH_UPDATE_STATUS: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_flash_update(dl, tb); pr_out_mon_footer(); break; case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_HEALTH_REPORTER]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_health(dl, tb, true, true); pr_out_mon_footer(); break; case DEVLINK_CMD_TRAP_GET: /* fall through */ case DEVLINK_CMD_TRAP_SET: /* fall through */ case DEVLINK_CMD_TRAP_NEW: /* fall through */ case DEVLINK_CMD_TRAP_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] || !tb[DEVLINK_ATTR_TRAP_ACTION] || !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_trap(dl, tb, false); pr_out_mon_footer(); break; case DEVLINK_CMD_TRAP_GROUP_GET: /* fall through */ case DEVLINK_CMD_TRAP_GROUP_SET: /* fall through */ case DEVLINK_CMD_TRAP_GROUP_NEW: /* fall through */ case DEVLINK_CMD_TRAP_GROUP_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_trap_group(dl, tb, false); pr_out_mon_footer(); break; case DEVLINK_CMD_TRAP_POLICER_GET: /* fall through */ case DEVLINK_CMD_TRAP_POLICER_SET: /* fall through */ case DEVLINK_CMD_TRAP_POLICER_NEW: /* fall through */ case DEVLINK_CMD_TRAP_POLICER_DEL: /* fall through */ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_POLICER_ID] || !tb[DEVLINK_ATTR_TRAP_POLICER_RATE] || !tb[DEVLINK_ATTR_TRAP_POLICER_BURST]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_trap_policer(dl, tb, false); pr_out_mon_footer(); break; case DEVLINK_CMD_LINECARD_GET: /* fall through */ case DEVLINK_CMD_LINECARD_SET: /* fall through */ case DEVLINK_CMD_LINECARD_NEW: /* fall through */ case DEVLINK_CMD_LINECARD_DEL: mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_LINECARD_INDEX]) return MNL_CB_ERROR; pr_out_mon_header(genl->cmd); pr_out_linecard(dl, tb); pr_out_mon_footer(); break; } fflush(stdout); return MNL_CB_OK; } static int cmd_mon_show(struct dl *dl) { int err; unsigned int index = 0; const char *cur_obj; while ((cur_obj = dl_argv_index(dl, index++))) { if (strcmp(cur_obj, "all") != 0 && strcmp(cur_obj, "dev") != 0 && strcmp(cur_obj, "port") != 0 && strcmp(cur_obj, "health") != 0 && strcmp(cur_obj, "trap") != 0 && strcmp(cur_obj, "trap-group") != 0 && strcmp(cur_obj, "trap-policer") != 0 && strcmp(cur_obj, "lc") != 0) { pr_err("Unknown object \"%s\"\n", cur_obj); return -EINVAL; } } err = _mnlg_socket_group_add(&dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME); if (err) return err; open_json_object(NULL); open_json_array(PRINT_JSON, "mon"); err = _mnlg_socket_recv_run_intr(&dl->nlg, cmd_mon_show_cb, dl); close_json_array(PRINT_JSON, NULL); close_json_object(); if (err) return err; return 0; } static void cmd_mon_help(void) { pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n" "where OBJECT-LIST := { dev | port | lc | health | trap | trap-group | trap-policer }\n"); } static int cmd_mon(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_mon_help(); return 0; } return cmd_mon_show(dl); } struct dpipe_field { char *name; unsigned int id; unsigned int bitwidth; enum devlink_dpipe_field_mapping_type mapping_type; }; struct dpipe_header { struct list_head list; char *name; unsigned int id; struct dpipe_field *fields; unsigned int fields_count; }; struct dpipe_table { struct list_head list; char *name; unsigned int resource_id; bool resource_valid; }; struct dpipe_tables { struct list_head table_list; }; struct resource { char *name; uint64_t size; uint64_t size_new; uint64_t size_min; uint64_t size_max; uint64_t size_gran; enum devlink_resource_unit unit; bool size_valid; uint64_t size_occ; bool occ_valid; uint64_t id; struct list_head list; struct list_head resource_list; struct resource *parent; }; struct resources { struct list_head resource_list; }; struct resource_ctx { struct dl *dl; int err; struct resources *resources; struct dpipe_tables *tables; bool print_resources; bool pending_change; }; static struct resource *resource_alloc(void) { struct resource *resource; resource = calloc(1, sizeof(struct resource)); if (!resource) return NULL; INIT_LIST_HEAD(&resource->resource_list); return resource; } static void resource_free(struct resource *resource) { struct resource *child_resource, *tmp; list_for_each_entry_safe(child_resource, tmp, &resource->resource_list, list) { free(child_resource->name); resource_free(child_resource); } free(resource); } static struct resources *resources_alloc(void) { struct resources *resources; resources = calloc(1, sizeof(struct resources)); if (!resources) return NULL; INIT_LIST_HEAD(&resources->resource_list); return resources; } static void resources_free(struct resources *resources) { struct resource *resource, *tmp; list_for_each_entry_safe(resource, tmp, &resources->resource_list, list) resource_free(resource); } static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl) { ctx->resources = resources_alloc(); if (!ctx->resources) return -ENOMEM; ctx->dl = dl; return 0; } static void resource_ctx_fini(struct resource_ctx *ctx) { resources_free(ctx->resources); } struct dpipe_ctx { struct dl *dl; int err; struct list_head global_headers; struct list_head local_headers; struct dpipe_tables *tables; struct resources *resources; bool print_headers; bool print_tables; }; static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count) { struct dpipe_header *header; header = calloc(1, sizeof(struct dpipe_header)); if (!header) return NULL; header->fields = calloc(fields_count, sizeof(struct dpipe_field)); if (!header->fields) goto err_fields_alloc; header->fields_count = fields_count; return header; err_fields_alloc: free(header); return NULL; } static void dpipe_header_free(struct dpipe_header *header) { free(header->fields); free(header); } static void dpipe_header_clear(struct dpipe_header *header) { struct dpipe_field *field; int i; for (i = 0; i < header->fields_count; i++) { field = &header->fields[i]; free(field->name); } free(header->name); } static void dpipe_header_add(struct dpipe_ctx *ctx, struct dpipe_header *header, bool global) { if (global) list_add(&header->list, &ctx->global_headers); else list_add(&header->list, &ctx->local_headers); } static void dpipe_header_del(struct dpipe_header *header) { list_del(&header->list); } static struct dpipe_table *dpipe_table_alloc(void) { return calloc(1, sizeof(struct dpipe_table)); } static void dpipe_table_free(struct dpipe_table *table) { free(table); } static struct dpipe_tables *dpipe_tables_alloc(void) { struct dpipe_tables *tables; tables = calloc(1, sizeof(struct dpipe_tables)); if (!tables) return NULL; INIT_LIST_HEAD(&tables->table_list); return tables; } static void dpipe_tables_free(struct dpipe_tables *tables) { struct dpipe_table *table, *tmp; list_for_each_entry_safe(table, tmp, &tables->table_list, list) dpipe_table_free(table); free(tables); } static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl) { ctx->tables = dpipe_tables_alloc(); if (!ctx->tables) return -ENOMEM; ctx->dl = dl; INIT_LIST_HEAD(&ctx->global_headers); INIT_LIST_HEAD(&ctx->local_headers); return 0; } static void dpipe_ctx_fini(struct dpipe_ctx *ctx) { struct dpipe_header *header, *tmp; list_for_each_entry_safe(header, tmp, &ctx->global_headers, list) { dpipe_header_del(header); dpipe_header_clear(header); dpipe_header_free(header); } list_for_each_entry_safe(header, tmp, &ctx->local_headers, list) { dpipe_header_del(header); dpipe_header_clear(header); dpipe_header_free(header); } dpipe_tables_free(ctx->tables); } static const char *dpipe_header_id2s(struct dpipe_ctx *ctx, uint32_t header_id, bool global) { struct list_head *header_list; struct dpipe_header *header; if (global) header_list = &ctx->global_headers; else header_list = &ctx->local_headers; list_for_each_entry(header, header_list, list) { if (header->id != header_id) continue; return header->name; } return NULL; } static const char *dpipe_field_id2s(struct dpipe_ctx *ctx, uint32_t header_id, uint32_t field_id, bool global) { struct list_head *header_list; struct dpipe_header *header; if (global) header_list = &ctx->global_headers; else header_list = &ctx->local_headers; list_for_each_entry(header, header_list, list) { if (header->id != header_id) continue; return header->fields[field_id].name; } return NULL; } static const char * dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type) { switch (mapping_type) { case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE: return NULL; case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX: return "ifindex"; default: return "<unknown>"; } } static const char * dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id, uint32_t field_id, bool global) { enum devlink_dpipe_field_mapping_type mapping_type; struct list_head *header_list; struct dpipe_header *header; if (global) header_list = &ctx->global_headers; else header_list = &ctx->local_headers; list_for_each_entry(header, header_list, list) { if (header->id != header_id) continue; mapping_type = header->fields[field_id].mapping_type; return dpipe_field_mapping_e2s(mapping_type); } return NULL; } static void pr_out_dpipe_fields(struct dpipe_ctx *ctx, struct dpipe_field *fields, unsigned int field_count) { struct dpipe_field *field; int i; for (i = 0; i < field_count; i++) { field = &fields[i]; pr_out_entry_start(ctx->dl); check_indent_newline(ctx->dl); print_string(PRINT_ANY, "name", "name %s", field->name); if (ctx->dl->verbose) print_uint(PRINT_ANY, "id", " id %u", field->id); print_uint(PRINT_ANY, "bitwidth", " bitwidth %u", field->bitwidth); if (field->mapping_type) { print_string(PRINT_ANY, "mapping_type", " mapping_type %s", dpipe_field_mapping_e2s(field->mapping_type)); } pr_out_entry_end(ctx->dl); } } static void pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb, struct dpipe_header *header, bool global) { pr_out_handle_start_arr(ctx->dl, tb); check_indent_newline(ctx->dl); print_string(PRINT_ANY, "name", "name %s", header->name); if (ctx->dl->verbose) { print_uint(PRINT_ANY, "id", " id %u", header->id); print_bool(PRINT_ANY, "global", " global %s", global); } pr_out_array_start(ctx->dl, "field"); pr_out_dpipe_fields(ctx, header->fields, header->fields_count); pr_out_array_end(ctx->dl); pr_out_handle_end(ctx->dl); } static void pr_out_dpipe_headers(struct dpipe_ctx *ctx, struct nlattr **tb) { struct dpipe_header *header; list_for_each_entry(header, &ctx->local_headers, list) pr_out_dpipe_header(ctx, tb, header, false); list_for_each_entry(header, &ctx->global_headers, list) pr_out_dpipe_header(ctx, tb, header, true); } static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field) { struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {}; const char *name; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_field); if (err != MNL_CB_OK) return -EINVAL; if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] || !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] || !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] || !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]) return -EINVAL; name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]); field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]); field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]); field->name = strdup(name); if (!field->name) return -ENOMEM; field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]); return 0; } static int dpipe_header_fields_get(struct nlattr *nla_fields, struct dpipe_field *fields) { struct nlattr *nla_field; int count = 0; int err; mnl_attr_for_each_nested(nla_field, nla_fields) { err = dpipe_header_field_get(nla_field, &fields[count]); if (err) return err; count++; } return 0; } static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields) { struct nlattr *nla_field; unsigned int count = 0; mnl_attr_for_each_nested(nla_field, nla_fields) count++; return count; } static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl) { struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {}; struct dpipe_header *header; unsigned int fields_count; const char *header_name; bool global; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_header); if (err != MNL_CB_OK) return -EINVAL; if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] || !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] || !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]) return -EINVAL; fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]); header = dpipe_header_alloc(fields_count); if (!header) return -ENOMEM; header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]); header->name = strdup(header_name); header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]); header->fields_count = fields_count; global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS], header->fields); if (err) goto err_field_get; dpipe_header_add(ctx, header, global); return 0; err_field_get: dpipe_header_free(header); return err; } static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb) { struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS]; struct nlattr *nla_header; int err; mnl_attr_for_each_nested(nla_header, nla_headers) { err = dpipe_header_get(ctx, nla_header); if (err) return err; } return 0; } static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data) { struct dpipe_ctx *ctx = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_DPIPE_HEADERS]) return MNL_CB_ERROR; err = dpipe_headers_get(ctx, tb); if (err) { ctx->err = err; return MNL_CB_ERROR; } if (ctx->print_headers) pr_out_dpipe_headers(ctx, tb); return MNL_CB_OK; } static int cmd_dpipe_headers_show(struct dl *dl) { struct nlmsghdr *nlh; struct dpipe_ctx ctx = {}; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); dl_opts_put(nlh, dl); err = dpipe_ctx_init(&ctx, dl); if (err) return err; ctx.print_headers = true; pr_out_section_start(dl, "header"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, &ctx); if (err) pr_err("error get headers %s\n", strerror(ctx.err)); pr_out_section_end(dl); dpipe_ctx_fini(&ctx); return err; } static void cmd_dpipe_help(void) { pr_err("Usage: devlink dpipe table show DEV [ name TABLE_NAME ]\n"); pr_err(" devlink dpipe table set DEV name TABLE_NAME\n"); pr_err(" [ counters_enabled { true | false } ]\n"); pr_err(" devlink dpipe table dump DEV name TABLE_NAME\n"); pr_err(" devlink dpipe header show DEV\n"); } static int cmd_dpipe_header(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dpipe_help(); return 0; } else if (dl_argv_match(dl, "show")) { dl_arg_inc(dl); return cmd_dpipe_headers_show(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static const char *dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type) { switch (action_type) { case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY: return "field_modify"; default: return "<unknown>"; } } struct dpipe_op_info { uint32_t header_id; uint32_t field_id; bool header_global; }; struct dpipe_action { struct dpipe_op_info info; uint32_t type; }; static void pr_out_dpipe_action(struct dpipe_action *action, struct dpipe_ctx *ctx) { struct dpipe_op_info *op_info = &action->info; const char *mapping; check_indent_newline(ctx->dl); print_string(PRINT_ANY, "type", "type %s", dpipe_action_type_e2s(action->type)); print_string(PRINT_ANY, "header", " header %s", dpipe_header_id2s(ctx, op_info->header_id, op_info->header_global)); print_string(PRINT_ANY, "field", " field %s", dpipe_field_id2s(ctx, op_info->header_id, op_info->field_id, op_info->header_global)); mapping = dpipe_mapping_get(ctx, op_info->header_id, op_info->field_id, op_info->header_global); if (mapping) print_string(PRINT_ANY, "mapping", " mapping %s", mapping); } static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl) { struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {}; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_action); if (err != MNL_CB_OK) return -EINVAL; if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] || !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] || !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] || !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) { return -EINVAL; } action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]); action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]); action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]); action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); return 0; } static int dpipe_table_actions_show(struct dpipe_ctx *ctx, struct nlattr *nla_actions) { struct nlattr *nla_action; struct dpipe_action action; mnl_attr_for_each_nested(nla_action, nla_actions) { pr_out_entry_start(ctx->dl); if (dpipe_action_parse(&action, nla_action)) goto err_action_parse; pr_out_dpipe_action(&action, ctx); pr_out_entry_end(ctx->dl); } return 0; err_action_parse: pr_out_entry_end(ctx->dl); return -EINVAL; } static const char * dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type) { switch (match_type) { case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT: return "field_exact"; default: return "<unknown>"; } } struct dpipe_match { struct dpipe_op_info info; uint32_t type; }; static void pr_out_dpipe_match(struct dpipe_match *match, struct dpipe_ctx *ctx) { struct dpipe_op_info *op_info = &match->info; const char *mapping; check_indent_newline(ctx->dl); print_string(PRINT_ANY, "type", "type %s", dpipe_match_type_e2s(match->type)); print_string(PRINT_ANY, "header", " header %s", dpipe_header_id2s(ctx, op_info->header_id, op_info->header_global)); print_string(PRINT_ANY, "field", " field %s", dpipe_field_id2s(ctx, op_info->header_id, op_info->field_id, op_info->header_global)); mapping = dpipe_mapping_get(ctx, op_info->header_id, op_info->field_id, op_info->header_global); if (mapping) print_string(PRINT_ANY, "mapping", " mapping %s", mapping); } static int dpipe_match_parse(struct dpipe_match *match, struct nlattr *nl) { struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {}; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_match); if (err != MNL_CB_OK) return -EINVAL; if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] || !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] || !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] || !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) { return -EINVAL; } match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]); match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]); match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]); match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); return 0; } static int dpipe_table_matches_show(struct dpipe_ctx *ctx, struct nlattr *nla_matches) { struct nlattr *nla_match; struct dpipe_match match; mnl_attr_for_each_nested(nla_match, nla_matches) { pr_out_entry_start(ctx->dl); if (dpipe_match_parse(&match, nla_match)) goto err_match_parse; pr_out_dpipe_match(&match, ctx); pr_out_entry_end(ctx->dl); } return 0; err_match_parse: pr_out_entry_end(ctx->dl); return -EINVAL; } static struct resource * resource_find(struct resources *resources, struct resource *resource, uint64_t resource_id) { struct list_head *list_head; if (!resource) list_head = &resources->resource_list; else list_head = &resource->resource_list; list_for_each_entry(resource, list_head, list) { struct resource *child_resource; if (resource->id == resource_id) return resource; child_resource = resource_find(resources, resource, resource_id); if (child_resource) return child_resource; } return NULL; } static void resource_path_print(struct dl *dl, struct resources *resources, uint64_t resource_id) { struct resource *resource, *parent_resource; const char del[] = "/"; int path_len = 0; char *path; resource = resource_find(resources, NULL, resource_id); if (!resource) return; for (parent_resource = resource; parent_resource; parent_resource = parent_resource->parent) path_len += strlen(parent_resource->name) + 1; path_len++; path = calloc(1, path_len); if (!path) return; path += path_len - 1; for (parent_resource = resource; parent_resource; parent_resource = parent_resource->parent) { path -= strlen(parent_resource->name); memcpy(path, parent_resource->name, strlen(parent_resource->name)); path -= strlen(del); memcpy(path, del, strlen(del)); } check_indent_newline(dl); print_string(PRINT_ANY, "resource_path", "resource_path %s", path); free(path); } static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl) { struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {}; struct dpipe_table *table; uint32_t resource_units; bool counters_enabled; bool resource_valid; uint32_t size; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_table); if (err != MNL_CB_OK) return -EINVAL; if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] || !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] || !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] || !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] || !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) { return -EINVAL; } table = dpipe_table_alloc(); if (!table) return -ENOMEM; table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME])); size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]); counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]); resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] && ctx->resources; if (resource_valid) { table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]); table->resource_valid = true; } list_add_tail(&table->list, &ctx->tables->table_list); if (!ctx->print_tables) return 0; check_indent_newline(ctx->dl); print_string(PRINT_ANY, "name", "name %s", table->name); print_uint(PRINT_ANY, "size", " size %u", size); print_bool(PRINT_ANY, "counters_enabled", " counters_enabled %s", counters_enabled); if (resource_valid) { resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]); resource_path_print(ctx->dl, ctx->resources, table->resource_id); print_uint(PRINT_ANY, "resource_units", " resource_units %u", resource_units); } pr_out_array_start(ctx->dl, "match"); if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES])) goto err_matches_show; pr_out_array_end(ctx->dl); pr_out_array_start(ctx->dl, "action"); if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS])) goto err_actions_show; pr_out_array_end(ctx->dl); return 0; err_actions_show: err_matches_show: pr_out_array_end(ctx->dl); return -EINVAL; } static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb) { struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES]; struct nlattr *nla_table; mnl_attr_for_each_nested(nla_table, nla_tables) { if (ctx->print_tables) pr_out_handle_start_arr(ctx->dl, tb); if (dpipe_table_show(ctx, nla_table)) goto err_table_show; if (ctx->print_tables) pr_out_handle_end(ctx->dl); } return 0; err_table_show: if (ctx->print_tables) pr_out_handle_end(ctx->dl); return -EINVAL; } static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data) { struct dpipe_ctx *ctx = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_DPIPE_TABLES]) return MNL_CB_ERROR; if (dpipe_tables_show(ctx, tb)) return MNL_CB_ERROR; return MNL_CB_OK; } static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data); static int cmd_dpipe_table_show(struct dl *dl) { struct nlmsghdr *nlh; struct dpipe_ctx dpipe_ctx = {}; struct resource_ctx resource_ctx = {}; uint16_t flags = NLM_F_REQUEST; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); err = dpipe_ctx_init(&dpipe_ctx, dl); if (err) return err; dpipe_ctx.print_tables = true; dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, &dpipe_ctx); if (err) { pr_err("error get headers %s\n", strerror(dpipe_ctx.err)); goto err_headers_get; } err = resource_ctx_init(&resource_ctx, dl); if (err) goto err_resource_ctx_init; resource_ctx.print_resources = false; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags); dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, &resource_ctx); if (!err) dpipe_ctx.resources = resource_ctx.resources; flags = NLM_F_REQUEST | NLM_F_ACK; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "table"); mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx); pr_out_section_end(dl); resource_ctx_fini(&resource_ctx); dpipe_ctx_fini(&dpipe_ctx); return 0; err_resource_ctx_init: err_headers_get: dpipe_ctx_fini(&dpipe_ctx); return err; } static int cmd_dpipe_table_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME | DL_OPT_DPIPE_TABLE_COUNTERS, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } enum dpipe_value_type { DPIPE_VALUE_TYPE_VALUE, DPIPE_VALUE_TYPE_MASK, }; static const char * dpipe_value_type_e2s(enum dpipe_value_type type) { switch (type) { case DPIPE_VALUE_TYPE_VALUE: return "value"; case DPIPE_VALUE_TYPE_MASK: return "value_mask"; default: return "<unknown>"; } } struct dpipe_field_printer { unsigned int field_id; void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *); }; struct dpipe_header_printer { struct dpipe_field_printer *printers; unsigned int printers_count; unsigned int header_id; }; static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx, enum dpipe_value_type type, void *value) { struct in_addr ip_addr; ip_addr.s_addr = htonl(*(uint32_t *)value); check_indent_newline(ctx->dl); print_string_name_value(dpipe_value_type_e2s(type), inet_ntoa(ip_addr)); } static void dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx, enum dpipe_value_type type, void *value) { check_indent_newline(ctx->dl); print_string_name_value(dpipe_value_type_e2s(type), ether_ntoa((struct ether_addr *)value)); } static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx, enum dpipe_value_type type, void *value) { char str[INET6_ADDRSTRLEN]; inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN); check_indent_newline(ctx->dl); print_string_name_value(dpipe_value_type_e2s(type), str); } static struct dpipe_field_printer dpipe_field_printers_ipv4[] = { { .printer = dpipe_field_printer_ipv4_addr, .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP, } }; static struct dpipe_header_printer dpipe_header_printer_ipv4 = { .printers = dpipe_field_printers_ipv4, .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4), .header_id = DEVLINK_DPIPE_HEADER_IPV4, }; static struct dpipe_field_printer dpipe_field_printers_ethernet[] = { { .printer = dpipe_field_printer_ethernet_addr, .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, }, }; static struct dpipe_header_printer dpipe_header_printer_ethernet = { .printers = dpipe_field_printers_ethernet, .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet), .header_id = DEVLINK_DPIPE_HEADER_ETHERNET, }; static struct dpipe_field_printer dpipe_field_printers_ipv6[] = { { .printer = dpipe_field_printer_ipv6_addr, .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP, } }; static struct dpipe_header_printer dpipe_header_printer_ipv6 = { .printers = dpipe_field_printers_ipv6, .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6), .header_id = DEVLINK_DPIPE_HEADER_IPV6, }; static struct dpipe_header_printer *dpipe_header_printers[] = { &dpipe_header_printer_ipv4, &dpipe_header_printer_ethernet, &dpipe_header_printer_ipv6, }; static int dpipe_print_prot_header(struct dpipe_ctx *ctx, struct dpipe_op_info *info, enum dpipe_value_type type, void *value) { unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers); struct dpipe_header_printer *header_printer; struct dpipe_field_printer *field_printer; unsigned int field_printers_count; int j; int i; for (i = 0; i < header_printers_count; i++) { header_printer = dpipe_header_printers[i]; if (header_printer->header_id != info->header_id) continue; field_printers_count = header_printer->printers_count; for (j = 0; j < field_printers_count; j++) { field_printer = &header_printer->printers[j]; if (field_printer->field_id != info->field_id) continue; field_printer->printer(ctx, type, value); return 0; } } return -EINVAL; } static void __pr_out_entry_value(struct dpipe_ctx *ctx, void *value, unsigned int value_len, struct dpipe_op_info *info, enum dpipe_value_type type) { if (info->header_global && !dpipe_print_prot_header(ctx, info, type, value)) return; if (value_len == sizeof(uint32_t)) { uint32_t *value_32 = value; check_indent_newline(ctx->dl); print_uint_name_value(dpipe_value_type_e2s(type), *value_32); } } static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx, struct nlattr **nla_match_value, struct dpipe_op_info *info) { void *value, *value_mask; uint32_t value_mapping; uint16_t value_len; bool mask, mapping; mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK]; mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]; value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); if (mapping) { value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]); check_indent_newline(ctx->dl); print_uint(PRINT_ANY, "mapping_value", "mapping_value %u", value_mapping); } if (mask) { value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); __pr_out_entry_value(ctx, value_mask, value_len, info, DPIPE_VALUE_TYPE_MASK); } __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE); } static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx, struct nlattr *nl) { struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {}; struct dpipe_match match; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value); if (err != MNL_CB_OK) return -EINVAL; if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] || !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) { return -EINVAL; } pr_out_entry_start(ctx->dl); if (dpipe_match_parse(&match, nla_match_value[DEVLINK_ATTR_DPIPE_MATCH])) goto err_match_parse; pr_out_dpipe_match(&match, ctx); pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info); pr_out_entry_end(ctx->dl); return 0; err_match_parse: pr_out_entry_end(ctx->dl); return -EINVAL; } static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx, struct nlattr *nl) { struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {}; struct dpipe_action action; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value); if (err != MNL_CB_OK) return -EINVAL; if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] || !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) { return -EINVAL; } pr_out_entry_start(ctx->dl); if (dpipe_action_parse(&action, nla_action_value[DEVLINK_ATTR_DPIPE_ACTION])) goto err_action_parse; pr_out_dpipe_action(&action, ctx); pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info); pr_out_entry_end(ctx->dl); return 0; err_action_parse: pr_out_entry_end(ctx->dl); return -EINVAL; } static int dpipe_tables_action_values_show(struct dpipe_ctx *ctx, struct nlattr *nla_action_values) { struct nlattr *nla_action_value; mnl_attr_for_each_nested(nla_action_value, nla_action_values) { if (dpipe_entry_action_value_show(ctx, nla_action_value)) return -EINVAL; } return 0; } static int dpipe_tables_match_values_show(struct dpipe_ctx *ctx, struct nlattr *nla_match_values) { struct nlattr *nla_match_value; mnl_attr_for_each_nested(nla_match_value, nla_match_values) { if (dpipe_entry_match_value_show(ctx, nla_match_value)) return -EINVAL; } return 0; } static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl) { struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {}; uint32_t entry_index; uint64_t counter; int err; err = mnl_attr_parse_nested(nl, attr_cb, nla_entry); if (err != MNL_CB_OK) return -EINVAL; if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] || !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] || !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) { return -EINVAL; } check_indent_newline(ctx->dl); entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]); print_uint(PRINT_ANY, "index", "index %u", entry_index); if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) { counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]); print_uint(PRINT_ANY, "counter", " counter %u", counter); } pr_out_array_start(ctx->dl, "match_value"); if (dpipe_tables_match_values_show(ctx, nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES])) goto err_match_values_show; pr_out_array_end(ctx->dl); pr_out_array_start(ctx->dl, "action_value"); if (dpipe_tables_action_values_show(ctx, nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES])) goto err_action_values_show; pr_out_array_end(ctx->dl); return 0; err_action_values_show: err_match_values_show: pr_out_array_end(ctx->dl); return -EINVAL; } static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb) { struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES]; struct nlattr *nla_entry; mnl_attr_for_each_nested(nla_entry, nla_entries) { pr_out_handle_start_arr(ctx->dl, tb); if (dpipe_entry_show(ctx, nla_entry)) goto err_entry_show; pr_out_handle_end(ctx->dl); } return 0; err_entry_show: pr_out_handle_end(ctx->dl); return -EINVAL; } static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data) { struct dpipe_ctx *ctx = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_DPIPE_ENTRIES]) return MNL_CB_ERROR; if (dpipe_table_entries_show(ctx, tb)) return MNL_CB_ERROR; return MNL_CB_OK; } static int cmd_dpipe_table_dump(struct dl *dl) { struct nlmsghdr *nlh; struct dpipe_ctx ctx = {}; uint16_t flags = NLM_F_REQUEST; int err; err = dpipe_ctx_init(&ctx, dl); if (err) return err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0); if (err) goto out; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, &ctx); if (err) { pr_err("error get headers %s\n", strerror(ctx.err)); goto out; } flags = NLM_F_REQUEST | NLM_F_ACK; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "table_entry"); mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx); pr_out_section_end(dl); out: dpipe_ctx_fini(&ctx); return err; } static int cmd_dpipe_table(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dpipe_help(); return 0; } else if (dl_argv_match(dl, "show")) { dl_arg_inc(dl); return cmd_dpipe_table_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_dpipe_table_set(dl); } else if (dl_argv_match(dl, "dump")) { dl_arg_inc(dl); return cmd_dpipe_table_dump(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_dpipe(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_dpipe_help(); return 0; } else if (dl_argv_match(dl, "header")) { dl_arg_inc(dl); return cmd_dpipe_header(dl); } else if (dl_argv_match(dl, "table")) { dl_arg_inc(dl); return cmd_dpipe_table(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int resource_parse(struct resource_ctx *ctx, struct resource *resource, struct nlattr **nla_resource) { if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] || !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] || !nla_resource[DEVLINK_ATTR_RESOURCE_ID] || !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] || !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] || !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] || !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) { return -EINVAL; } resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME])); resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]); resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]); resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]); resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]); resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]); resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]); if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]) resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]); else resource->size_new = resource->size; if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) { resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]); resource->occ_valid = true; } if (resource->size_new != resource->size) ctx->pending_change = true; return 0; } static int resource_get(struct resource_ctx *ctx, struct resource *resource, struct resource *parent_resource, struct nlattr *nl) { struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *nla_child_resource; struct nlattr *nla_resources; bool top = false; int err; if (!resource) { nla_resources = nl; top = true; goto out; } err = mnl_attr_parse_nested(nl, attr_cb, nla_resource); if (err != MNL_CB_OK) return -EINVAL; err = resource_parse(ctx, resource, nla_resource); if (err) return err; resource->parent = parent_resource; if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST]) return 0; resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]); nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST]; out: mnl_attr_for_each_nested(nla_child_resource, nla_resources) { struct resource *child_resource; struct list_head *list; child_resource = resource_alloc(); if (!child_resource) return -ENOMEM; if (top) list = &ctx->resources->resource_list; else list = &resource->resource_list; list_add_tail(&child_resource->list, list); err = resource_get(ctx, child_resource, resource, nla_child_resource); if (err) return err; } return 0; } static const char *resource_unit_str_get(enum devlink_resource_unit unit) { switch (unit) { case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry"; default: return "<unknown unit>"; } } static void resource_show(struct resource *resource, struct resource_ctx *ctx) { struct resource *child_resource; struct dpipe_table *table; struct dl *dl = ctx->dl; bool array = false; check_indent_newline(dl); print_string(PRINT_ANY, "name", "name %s", resource->name); if (dl->verbose) resource_path_print(dl, ctx->resources, resource->id); pr_out_u64(dl, "size", resource->size); if (resource->size != resource->size_new) pr_out_u64(dl, "size_new", resource->size_new); if (resource->occ_valid) print_uint(PRINT_ANY, "occ", " occ %u", resource->size_occ); print_string(PRINT_ANY, "unit", " unit %s", resource_unit_str_get(resource->unit)); if (resource->size_min != resource->size_max) { print_uint(PRINT_ANY, "size_min", " size_min %u", resource->size_min); pr_out_u64(dl, "size_max", resource->size_max); print_uint(PRINT_ANY, "size_gran", " size_gran %u", resource->size_gran); } list_for_each_entry(table, &ctx->tables->table_list, list) if (table->resource_id == resource->id && table->resource_valid) array = true; if (array) pr_out_array_start(dl, "dpipe_tables"); else print_string(PRINT_ANY, "dpipe_tables", " dpipe_tables none", "none"); list_for_each_entry(table, &ctx->tables->table_list, list) { if (table->resource_id != resource->id || !table->resource_valid) continue; pr_out_entry_start(dl); check_indent_newline(dl); print_string(PRINT_ANY, "table_name", "table_name %s", table->name); pr_out_entry_end(dl); } if (array) pr_out_array_end(dl); if (list_empty(&resource->resource_list)) return; if (ctx->pending_change) { check_indent_newline(dl); print_string(PRINT_ANY, "size_valid", "size_valid %s", resource->size_valid ? "true" : "false"); } pr_out_array_start(dl, "resources"); list_for_each_entry(child_resource, &resource->resource_list, list) { pr_out_entry_start(dl); resource_show(child_resource, ctx); pr_out_entry_end(dl); } pr_out_array_end(dl); } static void resources_show(struct resource_ctx *ctx, struct nlattr **tb) { struct resources *resources = ctx->resources; struct resource *resource; list_for_each_entry(resource, &resources->resource_list, list) { pr_out_handle_start_arr(ctx->dl, tb); resource_show(resource, ctx); pr_out_handle_end(ctx->dl); } } static int resources_get(struct resource_ctx *ctx, struct nlattr **tb) { return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]); } static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data) { struct resource_ctx *ctx = data; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_RESOURCE_LIST]) return MNL_CB_ERROR; err = resources_get(ctx, tb); if (err) { ctx->err = err; return MNL_CB_ERROR; } if (ctx->print_resources) resources_show(ctx, tb); return MNL_CB_OK; } static int cmd_resource_show(struct dl *dl) { struct nlmsghdr *nlh; struct dpipe_ctx dpipe_ctx = {}; struct resource_ctx resource_ctx = {}; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, NLM_F_REQUEST); dl_opts_put(nlh, dl); err = dpipe_ctx_init(&dpipe_ctx, dl); if (err) return err; err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx); if (err) { pr_err("error get tables %s\n", strerror(dpipe_ctx.err)); goto out; } err = resource_ctx_init(&resource_ctx, dl); if (err) goto out; resource_ctx.print_resources = true; resource_ctx.tables = dpipe_ctx.tables; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); pr_out_section_start(dl, "resources"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, &resource_ctx); pr_out_section_end(dl); resource_ctx_fini(&resource_ctx); out: dpipe_ctx_fini(&dpipe_ctx); return err; } static void cmd_resource_help(void) { pr_err("Usage: devlink resource show DEV\n" " devlink resource set DEV path PATH size SIZE\n"); } static struct resource * resource_find_by_name(struct list_head *list, char *name) { struct resource *resource; list_for_each_entry(resource, list, list) { if (!strcmp(resource->name, name)) return resource; } return NULL; } static int resource_path_parse(struct resource_ctx *ctx, const char *resource_path, uint32_t *p_resource_id, bool *p_resource_valid) { struct resource *resource; uint32_t resource_id = 0; char *resource_path_dup; struct list_head *list; const char del[] = "/"; char *resource_name; resource_path_dup = strdup(resource_path); list = &ctx->resources->resource_list; resource_name = strtok(resource_path_dup, del); while (resource_name != NULL) { resource = resource_find_by_name(list, resource_name); if (!resource) goto err_resource_lookup; list = &resource->resource_list; resource_name = strtok(NULL, del); resource_id = resource->id; } free(resource_path_dup); *p_resource_valid = true; *p_resource_id = resource_id; return 0; err_resource_lookup: free(resource_path_dup); return -EINVAL; } static int cmd_resource_set(struct dl *dl) { struct nlmsghdr *nlh; struct resource_ctx ctx = {}; int err; err = resource_ctx_init(&ctx, dl); if (err) return err; ctx.print_resources = false; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH | DL_OPT_RESOURCE_SIZE, 0); if (err) goto out; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, NLM_F_REQUEST); dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, &ctx); if (err) { pr_err("error getting resources %s\n", strerror(ctx.err)); goto out; } err = resource_path_parse(&ctx, dl->opts.resource_path, &dl->opts.resource_id, &dl->opts.resource_id_valid); if (err) { pr_err("error parsing resource path %s\n", strerror(-err)); goto out; } nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); out: resource_ctx_fini(&ctx); return err; } static int cmd_resource(struct dl *dl) { if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { cmd_resource_help(); return 0; } else if (dl_argv_match(dl, "show")) { dl_arg_inc(dl); return cmd_resource_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_resource_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb) { const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]); char buf[256]; snprintf(buf, sizeof(buf), "%s/%s/%s", bus_name, dev_name, region_name); if (dl->json_output) open_json_object(buf); else pr_out("%s:", buf); } static void pr_out_region_handle_end(struct dl *dl) { if (dl->json_output) close_json_object(); else pr_out("\n"); } static void pr_out_region_snapshots_start(struct dl *dl, bool array) { __pr_out_indent_newline(dl); if (dl->json_output) open_json_array(PRINT_JSON, "snapshot"); else pr_out("snapshot %s", array ? "[" : ""); } static void pr_out_region_snapshots_end(struct dl *dl, bool array) { if (dl->json_output) close_json_array(PRINT_JSON, NULL); else if (array) pr_out("]"); } static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index) { uint32_t snapshot_id; if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) return; snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]); if (dl->json_output) print_uint(PRINT_JSON, NULL, NULL, snapshot_id); else pr_out("%s%u", index ? " " : "", snapshot_id); } static void pr_out_snapshots(struct dl *dl, struct nlattr **tb) { struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *nla_sanpshot; int err, index = 0; pr_out_region_snapshots_start(dl, true); mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) { err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot); if (err != MNL_CB_OK) return; pr_out_region_snapshots_id(dl, tb_snapshot, index++); } pr_out_region_snapshots_end(dl, true); } static void pr_out_snapshot(struct dl *dl, struct nlattr **tb) { pr_out_region_snapshots_start(dl, false); pr_out_region_snapshots_id(dl, tb, 0); pr_out_region_snapshots_end(dl, false); } static void pr_out_region(struct dl *dl, struct nlattr **tb) { pr_out_region_handle_start(dl, tb); if (tb[DEVLINK_ATTR_REGION_SIZE]) pr_out_u64(dl, "size", mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE])); if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) pr_out_snapshots(dl, tb); if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) pr_out_snapshot(dl, tb); if (tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS]) pr_out_u64(dl, "max", mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS])); pr_out_region_handle_end(dl); } static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE]) return MNL_CB_ERROR; pr_out_region(dl, tb); return MNL_CB_OK; } static int cmd_region_show(struct dl *dl) { struct nlmsghdr *nlh; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_REGION_GET, DL_OPT_HANDLE_REGION, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "regions"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_region_snapshot_del(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION | DL_OPT_REGION_SNAPSHOT_ID, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_DEL, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr; struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {}; struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_REGION_CHUNKS]) return MNL_CB_ERROR; mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) { err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field); if (err != MNL_CB_OK) return MNL_CB_ERROR; nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA]; if (!nla_chunk_data) continue; nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR]; if (!nla_chunk_addr) continue; pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data), mnl_attr_get_payload_len(nla_chunk_data), mnl_attr_get_u64(nla_chunk_addr)); } return MNL_CB_OK; } static int cmd_region_dump(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION | DL_OPT_REGION_SNAPSHOT_ID, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_READ, NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); dl_opts_put(nlh, dl); pr_out_section_start(dl, "dump"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_read_cb, dl); pr_out_section_end(dl); if (!dl->json_output) pr_out("\n"); return err; } static int cmd_region_read(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION | DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH, DL_OPT_REGION_SNAPSHOT_ID); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_READ, NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); dl_opts_put(nlh, dl); /* If user didn't provide a snapshot id, perform a direct read */ if (!(dl->opts.present & DL_OPT_REGION_SNAPSHOT_ID)) mnl_attr_put(nlh, DEVLINK_ATTR_REGION_DIRECT, 0, NULL); pr_out_section_start(dl, "read"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_read_cb, dl); pr_out_section_end(dl); if (!dl->json_output) pr_out("\n"); return err; } static int cmd_region_snapshot_new_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) return MNL_CB_ERROR; pr_out_region(dl, tb); return MNL_CB_OK; } static int cmd_region_snapshot_new(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION, DL_OPT_REGION_SNAPSHOT_ID); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_NEW, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); pr_out_section_start(dl, "regions"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_snapshot_new_cb, dl); pr_out_section_end(dl); return err; } static void cmd_region_help(void) { pr_err("Usage: devlink region show [ DEV/REGION ]\n"); pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n"); pr_err(" devlink region new DEV/REGION [ snapshot SNAPSHOT_ID ]\n"); pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n"); pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n"); } static int cmd_region(struct dl *dl) { if (dl_no_arg(dl)) { return cmd_region_show(dl); } else if (dl_argv_match(dl, "help")) { cmd_region_help(); return 0; } else if (dl_argv_match(dl, "show")) { dl_arg_inc(dl); return cmd_region_show(dl); } else if (dl_argv_match(dl, "del")) { dl_arg_inc(dl); return cmd_region_snapshot_del(dl); } else if (dl_argv_match(dl, "dump")) { dl_arg_inc(dl); return cmd_region_dump(dl); } else if (dl_argv_match(dl, "read")) { dl_arg_inc(dl); return cmd_region_read(dl); } else if (dl_argv_match(dl, "new")) { dl_arg_inc(dl); return cmd_region_snapshot_new(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_health_set_params(struct dl *dl) { struct nlmsghdr *nlh; int err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET, NLM_F_REQUEST | NLM_F_ACK); err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD | DL_OPT_HEALTH_REPORTER_AUTO_RECOVER | DL_OPT_HEALTH_REPORTER_AUTO_DUMP); if (err) return err; dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_health_dump_clear(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data) { const char *num_fmt = dl->hex ? "%#x" : "%u"; const char *num64_fmt = dl->hex ? "%#"PRIx64 : "%"PRIu64; uint8_t *data; uint32_t len; check_indent_newline(dl); switch (type) { case MNL_TYPE_FLAG: print_bool(PRINT_ANY, NULL, "%s", mnl_attr_get_u8(nl_data)); break; case MNL_TYPE_U8: print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u8(nl_data)); break; case MNL_TYPE_U16: print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u16(nl_data)); break; case MNL_TYPE_U32: print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u32(nl_data)); break; case MNL_TYPE_U64: print_u64(PRINT_ANY, NULL, num64_fmt, mnl_attr_get_u64(nl_data)); break; case MNL_TYPE_NUL_STRING: print_string(PRINT_ANY, NULL, "%s", mnl_attr_get_str(nl_data)); break; case MNL_TYPE_BINARY: len = mnl_attr_get_payload_len(nl_data); data = mnl_attr_get_payload(nl_data); pr_out_binary_value(dl, data, len); break; default: return -EINVAL; } return MNL_CB_OK; } static void pr_out_fmsg_name(struct dl *dl, char **name) { if (!*name) return; pr_out_name(dl, *name); free(*name); *name = NULL; } struct nest_entry { int attr_type; struct list_head list; }; struct fmsg_cb_data { char *name; struct dl *dl; uint8_t value_type; struct list_head entry_list; }; static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data, uint8_t *attr_value, bool insert) { struct nest_entry *entry; if (insert) { entry = malloc(sizeof(struct nest_entry)); if (!entry) return -ENOMEM; entry->attr_type = *attr_value; list_add(&entry->list, &fmsg_data->entry_list); } else { if (list_empty(&fmsg_data->entry_list)) return MNL_CB_ERROR; entry = list_first_entry(&fmsg_data->entry_list, struct nest_entry, list); *attr_value = entry->attr_type; list_del(&entry->list); free(entry); } return MNL_CB_OK; } static void pr_out_fmsg_group_start(struct dl *dl, char **name) { __pr_out_newline(); pr_out_fmsg_name(dl, name); __pr_out_newline(); __pr_out_indent_inc(); } static void pr_out_fmsg_group_end(struct dl *dl) { __pr_out_newline(); __pr_out_indent_dec(); } static void pr_out_fmsg_start_object(struct dl *dl, char **name) { if (dl->json_output) { pr_out_fmsg_name(dl, name); open_json_object(NULL); } else { pr_out_fmsg_group_start(dl, name); } } static void pr_out_fmsg_end_object(struct dl *dl) { if (dl->json_output) close_json_object(); else pr_out_fmsg_group_end(dl); } static void pr_out_fmsg_start_array(struct dl *dl, char **name) { if (dl->json_output) { pr_out_fmsg_name(dl, name); open_json_array(PRINT_JSON, NULL); } else { pr_out_fmsg_group_start(dl, name); } } static void pr_out_fmsg_end_array(struct dl *dl) { if (dl->json_output) close_json_array(PRINT_JSON, NULL); else pr_out_fmsg_group_end(dl); } static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value, bool start) { struct dl *dl = fmsg_data->dl; uint8_t value = nest_value; int err; err = cmd_fmsg_nest_queue(fmsg_data, &value, start); if (err != MNL_CB_OK) return err; switch (value) { case DEVLINK_ATTR_FMSG_OBJ_NEST_START: if (start) pr_out_fmsg_start_object(dl, &fmsg_data->name); else pr_out_fmsg_end_object(dl); break; case DEVLINK_ATTR_FMSG_PAIR_NEST_START: break; case DEVLINK_ATTR_FMSG_ARR_NEST_START: if (start) pr_out_fmsg_start_array(dl, &fmsg_data->name); else pr_out_fmsg_end_array(dl); break; default: return -EINVAL; } return MNL_CB_OK; } static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct fmsg_cb_data *fmsg_data = data; struct dl *dl = fmsg_data->dl; struct nlattr *nla_object; int attr_type; int err; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_FMSG]) return MNL_CB_ERROR; mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) { attr_type = mnl_attr_get_type(nla_object); switch (attr_type) { case DEVLINK_ATTR_FMSG_OBJ_NEST_START: case DEVLINK_ATTR_FMSG_PAIR_NEST_START: case DEVLINK_ATTR_FMSG_ARR_NEST_START: err = cmd_fmsg_nest(fmsg_data, attr_type, true); if (err != MNL_CB_OK) return err; break; case DEVLINK_ATTR_FMSG_NEST_END: err = cmd_fmsg_nest(fmsg_data, attr_type, false); if (err != MNL_CB_OK) return err; break; case DEVLINK_ATTR_FMSG_OBJ_NAME: free(fmsg_data->name); fmsg_data->name = strdup(mnl_attr_get_str(nla_object)); if (!fmsg_data->name) return -ENOMEM; break; case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE: fmsg_data->value_type = mnl_attr_get_u8(nla_object); break; case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA: pr_out_fmsg_name(dl, &fmsg_data->name); err = fmsg_value_show(dl, fmsg_data->value_type, nla_object); if (err != MNL_CB_OK) return err; break; default: return -EINVAL; } } return MNL_CB_OK; } static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data) { /* FMSG is dynamic: opening of an object or array causes a * newline. JSON starts with an { or [, but plain text should * not start with a new line. Ensure this by setting * g_new_line_count to 1: avoiding newline before the first * print. */ g_new_line_count = 1; data->name = NULL; data->dl = dl; INIT_LIST_HEAD(&data->entry_list); } static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags) { struct fmsg_cb_data data; struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, cmd, flags | NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); cmd_fmsg_init(dl, &data); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_fmsg_object_cb, &data); free(data.name); return err; } static int cmd_health_dump_show(struct dl *dl) { return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, NLM_F_DUMP); } static int cmd_health_diagnose(struct dl *dl) { return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, 0); } static int cmd_health_test(struct dl *dl) { return cmd_health_object_common(dl, DEVLINK_CMD_HEALTH_REPORTER_TEST, 0); } static int cmd_health_recover(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } enum devlink_health_reporter_state { DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, DEVLINK_HEALTH_REPORTER_STATE_ERROR, }; static const char *health_state_name(uint8_t state) { switch (state) { case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY: return HEALTH_REPORTER_STATE_HEALTHY_STR; case DEVLINK_HEALTH_REPORTER_STATE_ERROR: return HEALTH_REPORTER_STATE_ERROR_STR; default: return "<unknown state>"; } } static void pr_out_dump_reporter_format_logtime(struct dl *dl, const struct nlattr *attr) { char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; uint64_t time_ms = mnl_attr_get_u64(attr); struct sysinfo s_info; struct tm *info; time_t now, sec; int err; time(&now); info = localtime(&now); err = sysinfo(&s_info); if (err) goto out; /* Subtract uptime in sec from now yields the time of system * uptime. To this, add time_ms which is the amount of * milliseconds elapsed between uptime and the dump taken. */ sec = now - s_info.uptime + time_ms / 1000; info = localtime(&sec); out: strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info); strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info); check_indent_newline(dl); print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date); print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time); } static void pr_out_dump_report_timestamp(struct dl *dl, const struct nlattr *attr) { char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; time_t tv_sec; struct tm *tm; uint64_t ts; ts = mnl_attr_get_u64(attr); tv_sec = ts / 1000000000; tm = localtime(&tv_sec); strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", tm); strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", tm); check_indent_newline(dl); print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date); print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time); } static void pr_out_health(struct dl *dl, struct nlattr **tb_health, bool print_device, bool print_port) { struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; enum devlink_health_reporter_state state; int err; err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER], attr_cb, tb); if (err != MNL_CB_OK) return; if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] || !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] || !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] || !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]) return; if (!print_device && !print_port) return; if (print_port) { if (!print_device && !tb_health[DEVLINK_ATTR_PORT_INDEX]) return; else if (tb_health[DEVLINK_ATTR_PORT_INDEX]) pr_out_port_handle_start_arr(dl, tb_health, false); } if (print_device) { if (!print_port && tb_health[DEVLINK_ATTR_PORT_INDEX]) return; else if (!tb_health[DEVLINK_ATTR_PORT_INDEX]) pr_out_handle_start_arr(dl, tb_health); } check_indent_newline(dl); print_string(PRINT_ANY, "reporter", "reporter %s", mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME])); if (!dl->json_output) { __pr_out_newline(); __pr_out_indent_inc(); } state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]); check_indent_newline(dl); print_string(PRINT_ANY, "state", "state %s", health_state_name(state)); pr_out_u64(dl, "error", mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT])); pr_out_u64(dl, "recover", mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT])); if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]) pr_out_dump_report_timestamp(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]); else if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]) pr_out_dump_reporter_format_logtime(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]); if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]) pr_out_u64(dl, "grace_period", mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])); if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]) print_bool(PRINT_ANY, "auto_recover", " auto_recover %s", mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])); if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) print_bool(PRINT_ANY, "auto_dump", " auto_dump %s", mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP])); __pr_out_indent_dec(); pr_out_handle_end(dl); } struct health_ctx { struct dl *dl; bool show_device; bool show_port; }; static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct health_ctx *ctx = data; struct dl *dl = ctx->dl; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_HEALTH_REPORTER]) return MNL_CB_ERROR; pr_out_health(dl, tb, ctx->show_device, ctx->show_port); return MNL_CB_OK; } static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port) { struct nlmsghdr *nlh; struct health_ctx ctx = { dl, show_device, show_port }; uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_HEALTH_REPORTER_GET, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, 0, DL_OPT_HANDLE | DL_OPT_HANDLEP, 0); if (err) return err; if (!(flags & NLM_F_DUMP)) ctx.show_port = true; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "health"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_health_show_cb, &ctx); pr_out_section_end(dl); return err; } static void cmd_health_help(void) { pr_err("Usage: devlink health show [ { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME ]\n"); pr_err(" devlink health recover { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" devlink health diagnose { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" devlink health test { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" devlink health dump show { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" devlink health dump clear { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" devlink health set { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); pr_err(" [ grace_period MSEC ]\n"); pr_err(" [ auto_recover { true | false } ]\n"); pr_err(" [ auto_dump { true | false } ]\n"); } static int cmd_health_dump(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_health_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_health_dump_show(dl); } else if (dl_argv_match(dl, "clear")) { dl_arg_inc(dl); return cmd_health_dump_clear(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_health(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_health_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return __cmd_health_show(dl, true, true); } else if (dl_argv_match(dl, "recover")) { dl_arg_inc(dl); return cmd_health_recover(dl); } else if (dl_argv_match(dl, "diagnose")) { dl_arg_inc(dl); return cmd_health_diagnose(dl); } else if (dl_argv_match(dl, "test")) { dl_arg_inc(dl); return cmd_health_test(dl); } else if (dl_argv_match(dl, "dump")) { dl_arg_inc(dl); return cmd_health_dump(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_health_set_params(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static const char *trap_type_name(uint8_t type) { switch (type) { case DEVLINK_TRAP_TYPE_DROP: return "drop"; case DEVLINK_TRAP_TYPE_EXCEPTION: return "exception"; case DEVLINK_TRAP_TYPE_CONTROL: return "control"; default: return "<unknown type>"; } } static const char *trap_action_name(uint8_t action) { switch (action) { case DEVLINK_TRAP_ACTION_DROP: return "drop"; case DEVLINK_TRAP_ACTION_TRAP: return "trap"; case DEVLINK_TRAP_ACTION_MIRROR: return "mirror"; default: return "<unknown action>"; } } static const char *trap_metadata_name(const struct nlattr *attr) { switch (attr->nla_type) { case DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT: return "input_port"; case DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE: return "flow_action_cookie"; default: return "<unknown metadata type>"; } } static void pr_out_trap_metadata(struct dl *dl, struct nlattr *attr) { struct nlattr *attr_metadata; pr_out_array_start(dl, "metadata"); mnl_attr_for_each_nested(attr_metadata, attr) { check_indent_newline(dl); print_string(PRINT_ANY, NULL, "%s", trap_metadata_name(attr_metadata)); } pr_out_array_end(dl); } static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array) { uint8_t action = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_ACTION]); uint8_t type = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_TYPE]); if (array) pr_out_handle_start_arr(dl, tb); else __pr_out_handle_start(dl, tb, true, false); check_indent_newline(dl); print_string(PRINT_ANY, "name", "name %s", mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_NAME])); print_string(PRINT_ANY, "type", " type %s", trap_type_name(type)); print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]); print_string(PRINT_ANY, "action", " action %s", trap_action_name(action)); print_string(PRINT_ANY, "group", " group %s", mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME])); if (dl->verbose) pr_out_trap_metadata(dl, tb[DEVLINK_ATTR_TRAP_METADATA]); pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); pr_out_handle_end(dl); } static int cmd_trap_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] || !tb[DEVLINK_ATTR_TRAP_ACTION] || !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS]) return MNL_CB_ERROR; pr_out_trap(dl, tb, true); return MNL_CB_OK; } static void cmd_trap_help(void) { pr_err("Usage: devlink trap set DEV trap TRAP [ action { trap | drop | mirror } ]\n"); pr_err(" devlink trap show [ DEV trap TRAP ]\n"); pr_err(" devlink trap group set DEV group GROUP [ action { trap | drop | mirror } ]\n"); pr_err(" [ policer POLICER ] [ nopolicer ]\n"); pr_err(" devlink trap group show [ DEV group GROUP ]\n"); pr_err(" devlink trap policer set DEV policer POLICER [ rate RATE ] [ burst BURST ]\n"); pr_err(" devlink trap policer show DEV policer POLICER\n"); } static int cmd_trap_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_TRAP_GET, DL_OPT_HANDLE | DL_OPT_TRAP_NAME, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "trap"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_trap_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_NAME, DL_OPT_TRAP_ACTION); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array) { if (array) pr_out_handle_start_arr(dl, tb); else __pr_out_handle_start(dl, tb, true, false); check_indent_newline(dl); print_string(PRINT_ANY, "name", "name %s", mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME])); print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]); if (tb[DEVLINK_ATTR_TRAP_POLICER_ID]) print_uint(PRINT_ANY, "policer", " policer %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID])); pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); pr_out_handle_end(dl); } static int cmd_trap_group_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS]) return MNL_CB_ERROR; pr_out_trap_group(dl, tb, true); return MNL_CB_OK; } static int cmd_trap_group_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_TRAP_GROUP_GET, DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "trap_group"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_group_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_trap_group_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME, DL_OPT_TRAP_ACTION | DL_OPT_TRAP_POLICER_ID); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GROUP_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_trap_group(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_trap_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_trap_group_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_trap_group_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array) { if (array) pr_out_handle_start_arr(dl, tb); else __pr_out_handle_start(dl, tb, true, false); check_indent_newline(dl); print_uint(PRINT_ANY, "policer", "policer %u", mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID])); print_u64(PRINT_ANY, "rate", " rate %llu", mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_RATE])); print_u64(PRINT_ANY, "burst", " burst %llu", mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_BURST])); if (tb[DEVLINK_ATTR_STATS]) pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); pr_out_handle_end(dl); } static int cmd_trap_policer_show_cb(const struct nlmsghdr *nlh, void *data) { struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; struct dl *dl = data; mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || !tb[DEVLINK_ATTR_TRAP_POLICER_ID] || !tb[DEVLINK_ATTR_TRAP_POLICER_RATE] || !tb[DEVLINK_ATTR_TRAP_POLICER_BURST]) return MNL_CB_ERROR; pr_out_trap_policer(dl, tb, true); return MNL_CB_OK; } static int cmd_trap_policer_show(struct dl *dl) { uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; struct nlmsghdr *nlh; int err; err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_TRAP_POLICER_GET, DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID, 0, DL_OPT_HANDLE, 0); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_POLICER_GET, flags); dl_opts_put(nlh, dl); pr_out_section_start(dl, "trap_policer"); err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_policer_show_cb, dl); pr_out_section_end(dl); return err; } static int cmd_trap_policer_set(struct dl *dl) { struct nlmsghdr *nlh; int err; err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID, DL_OPT_TRAP_POLICER_RATE | DL_OPT_TRAP_POLICER_BURST); if (err) return err; nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_POLICER_SET, NLM_F_REQUEST | NLM_F_ACK); dl_opts_put(nlh, dl); return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); } static int cmd_trap_policer(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_trap_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_trap_policer_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_trap_policer_set(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int cmd_trap(struct dl *dl) { if (dl_argv_match(dl, "help")) { cmd_trap_help(); return 0; } else if (dl_argv_match(dl, "show") || dl_argv_match(dl, "list") || dl_no_arg(dl)) { dl_arg_inc(dl); return cmd_trap_show(dl); } else if (dl_argv_match(dl, "set")) { dl_arg_inc(dl); return cmd_trap_set(dl); } else if (dl_argv_match(dl, "group")) { dl_arg_inc(dl); return cmd_trap_group(dl); } else if (dl_argv_match(dl, "policer")) { dl_arg_inc(dl); return cmd_trap_policer(dl); } pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static void help(void) { pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n" " devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n" "where OBJECT := { dev | port | lc | sb | monitor | dpipe | resource | region | health | trap }\n" " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] -[he]x }\n"); } static int dl_cmd(struct dl *dl, int argc, char **argv) { dl->argc = argc; dl->argv = argv; if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { help(); return 0; } else if (dl_argv_match(dl, "dev")) { dl_arg_inc(dl); return cmd_dev(dl); } else if (dl_argv_match(dl, "port")) { dl_arg_inc(dl); return cmd_port(dl); } else if (dl_argv_match(dl, "sb")) { dl_arg_inc(dl); return cmd_sb(dl); } else if (dl_argv_match(dl, "monitor")) { dl_arg_inc(dl); return cmd_mon(dl); } else if (dl_argv_match(dl, "dpipe")) { dl_arg_inc(dl); return cmd_dpipe(dl); } else if (dl_argv_match(dl, "resource")) { dl_arg_inc(dl); return cmd_resource(dl); } else if (dl_argv_match(dl, "region")) { dl_arg_inc(dl); return cmd_region(dl); } else if (dl_argv_match(dl, "health")) { dl_arg_inc(dl); return cmd_health(dl); } else if (dl_argv_match(dl, "trap")) { dl_arg_inc(dl); return cmd_trap(dl); } else if (dl_argv_match(dl, "lc")) { dl_arg_inc(dl); return cmd_linecard(dl); } pr_err("Object \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } static int dl_init(struct dl *dl) { int err; err = mnlu_gen_socket_open(&dl->nlg, DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION); if (err) { pr_err("Failed to connect to devlink Netlink\n"); return -errno; } ifname_map_init(dl); new_json_obj_plain(dl->json_output); return 0; } static void dl_fini(struct dl *dl) { delete_json_obj_plain(); ifname_map_fini(dl); mnlu_gen_socket_close(&dl->nlg); } static struct dl *dl_alloc(void) { struct dl *dl; dl = calloc(1, sizeof(*dl)); if (!dl) return NULL; return dl; } static void dl_free(struct dl *dl) { free(dl->handle_argv); free(dl); } static int dl_batch_cmd(int argc, char *argv[], void *data) { struct dl *dl = data; return dl_cmd(dl, argc, argv); } static int dl_batch(struct dl *dl, const char *name, bool force) { return do_batch(name, force, dl_batch_cmd, dl); } int main(int argc, char **argv) { static const struct option long_options[] = { { "Version", no_argument, NULL, 'V' }, { "force", no_argument, NULL, 'f' }, { "batch", required_argument, NULL, 'b' }, { "no-nice-names", no_argument, NULL, 'n' }, { "json", no_argument, NULL, 'j' }, { "pretty", no_argument, NULL, 'p' }, { "verbose", no_argument, NULL, 'v' }, { "statistics", no_argument, NULL, 's' }, { "Netns", required_argument, NULL, 'N' }, { "iec", no_argument, NULL, 'i' }, { "hex", no_argument, NULL, 'x' }, { NULL, 0, NULL, 0 } }; const char *batch_file = NULL; bool force = false; struct dl *dl; int opt; int err; int ret; dl = dl_alloc(); if (!dl) { pr_err("Failed to allocate memory for devlink\n"); return EXIT_FAILURE; } while ((opt = getopt_long(argc, argv, "Vfb:njpvsN:ix", long_options, NULL)) >= 0) { switch (opt) { case 'V': printf("devlink utility, iproute2-%s\n", version); ret = EXIT_SUCCESS; goto dl_free; case 'f': force = true; break; case 'b': batch_file = optarg; break; case 'n': dl->no_nice_names = true; break; case 'j': dl->json_output = true; break; case 'p': pretty = true; break; case 'v': dl->verbose = true; break; case 's': dl->stats = true; break; case 'N': if (netns_switch(optarg)) { ret = EXIT_FAILURE; goto dl_free; } break; case 'i': dl->use_iec = true; break; case 'x': dl->hex = true; break; default: pr_err("Unknown option.\n"); help(); ret = EXIT_FAILURE; goto dl_free; } } argc -= optind; argv += optind; err = dl_init(dl); if (err) { ret = EXIT_FAILURE; goto dl_free; } if (batch_file) err = dl_batch(dl, batch_file, force); else err = dl_cmd(dl, argc, argv); if (err) { ret = EXIT_FAILURE; goto dl_fini; } ret = EXIT_SUCCESS; dl_fini: dl_fini(dl); dl_free: dl_free(dl); return ret; }