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v1.2
include/team.h
263 строки
10 KB
Jiri Pirko
libteam: implement epoll event fd allowing user to poll only one fd
05 апр 2013, 13:47
05 апр 2013, 13:47
0aa2a71
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/* * team.h - Network team device driver library * Copyright (C) 2011 Jiri Pirko <jpirko@redhat.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _TEAM_H_ #define _TEAM_H_ #include <stdint.h> #include <stdbool.h> #include <stdarg.h> #include <linux/filter.h> #ifdef __cplusplus extern "C" { #endif /* * team_handle * * library user context */ struct team_handle; struct team_handle *team_alloc(void); int team_create(struct team_handle *th, const char *team_name); int team_recreate(struct team_handle *th, const char *team_name); int team_destroy(struct team_handle *th); int team_init(struct team_handle *th, uint32_t ifindex); void team_free(struct team_handle *th); void team_set_log_fn(struct team_handle *th, void (*log_fn)(struct team_handle *th, int priority, const char *file, int line, const char *fn, const char *format, va_list args)); int team_get_log_priority(struct team_handle *th); void team_set_log_priority(struct team_handle *th, int priority); int team_get_event_fd(struct team_handle *th); int team_handle_events(struct team_handle *th); int team_check_events(struct team_handle *th); int team_get_mode_name(struct team_handle *th, char **mode_name); int team_set_mode_name(struct team_handle *th, const char *mode_name); int team_get_active_port(struct team_handle *th, uint32_t *ifindex); int team_set_active_port(struct team_handle *th, uint32_t ifindex); int team_get_bpf_hash_func(struct team_handle *th, struct sock_fprog *fp); int team_set_bpf_hash_func(struct team_handle *th, const struct sock_fprog *fp); int team_set_port_enabled(struct team_handle *th, uint32_t port_ifindex, bool val); int team_set_port_user_linkup_enabled(struct team_handle *th, uint32_t port_ifindex, bool val); int team_get_port_user_linkup(struct team_handle *th, uint32_t port_ifindex, bool *linkup); int team_set_port_user_linkup(struct team_handle *th, uint32_t port_ifindex, bool linkup); int team_set_port_queue_id(struct team_handle *th, uint32_t port_ifindex, uint32_t queue_id); int team_get_port_priority(struct team_handle *th, uint32_t port_ifindex, int32_t *priority); int team_set_port_priority(struct team_handle *th, uint32_t port_ifindex, int32_t priority); struct team_ifinfo; struct team_ifinfo *team_get_ifinfo(struct team_handle *th); /* * team_eventfd - DEPRECATED * * access to list of event handlers */ struct team_eventfd; const struct team_eventfd *team_get_next_eventfd(struct team_handle *th, const struct team_eventfd *eventfd); #define team_for_each_event_fd(eventfd, th) \ for (eventfd = team_get_next_eventfd(th, NULL); eventfd; \ eventfd = team_get_next_eventfd(th, eventfd)) int team_get_eventfd_fd(struct team_handle *th, const struct team_eventfd *eventfd) __attribute__((deprecated)); int team_call_eventfd_handler(struct team_handle *th, const struct team_eventfd *eventfd) __attribute__((deprecated)); /* * team_port * * access to port_list and individual port */ struct team_port; struct team_port *team_get_next_port(struct team_handle *th, struct team_port *port); #define team_for_each_port(port, th) \ for (port = team_get_next_port(th, NULL); port; \ port = team_get_next_port(th, port)) /* port getters */ uint32_t team_get_port_ifindex(struct team_port *port); uint32_t team_get_port_speed(struct team_port *port); uint8_t team_get_port_duplex(struct team_port *port); bool team_is_port_link_up(struct team_port *port); bool team_is_port_changed(struct team_port *port); bool team_is_port_removed(struct team_port *port); struct team_ifinfo *team_get_port_ifinfo(struct team_port *port); bool team_is_port_present(struct team_handle *th, struct team_port *port); /* * team_ifinfo * * access to list of ifinfo_list */ struct team_ifinfo *team_get_next_ifinfo(struct team_handle *th, struct team_ifinfo *ifinfo); #define team_for_each_ifinfo(ifinfo, th) \ for (ifinfo = team_get_next_ifinfo(th, NULL); ifinfo; \ ifinfo = team_get_next_ifinfo(th, ifinfo)) /* ifinfo getters */ uint32_t team_get_ifinfo_ifindex(struct team_ifinfo *ifinfo); struct team_port *team_get_ifinfo_port(struct team_ifinfo *ifinfo); char *team_get_ifinfo_hwaddr(struct team_ifinfo *ifinfo); bool team_is_ifinfo_hwaddr_changed(struct team_ifinfo *ifinfo); size_t team_get_ifinfo_hwaddr_len(struct team_ifinfo *ifinfo); bool team_is_ifinfo_hwaddr_len_changed(struct team_ifinfo *ifinfo); char *team_get_ifinfo_ifname(struct team_ifinfo *ifinfo); bool team_is_ifinfo_ifname_changed(struct team_ifinfo *ifinfo); uint32_t team_get_ifinfo_master_ifindex(struct team_ifinfo *ifinfo); bool team_is_ifinfo_master_ifindex_changed(struct team_ifinfo *ifinfo); bool team_is_ifinfo_changed(struct team_ifinfo *ifinfo); /* * team_option * * access to option_list and individual option */ struct team_port; enum team_option_type { TEAM_OPTION_TYPE_U32, TEAM_OPTION_TYPE_STRING, TEAM_OPTION_TYPE_BINARY, TEAM_OPTION_TYPE_BOOL, TEAM_OPTION_TYPE_S32, }; struct team_option; struct team_option *team_get_option(struct team_handle *th, const char *fmt, ...); struct team_option *team_get_next_option(struct team_handle *th, struct team_option *option); #define team_for_each_option(port, th) \ for (option = team_get_next_option(th, NULL); option; \ option = team_get_next_option(th, option)) bool team_is_option_initialized(struct team_option *option); /* option getters */ char *team_get_option_name(struct team_option *option); uint32_t team_get_option_port_ifindex(struct team_option *option); bool team_is_option_per_port(struct team_option *option); uint32_t team_get_option_array_index(struct team_option *option); bool team_is_option_array(struct team_option *option); enum team_option_type team_get_option_type(struct team_option *option); bool team_is_option_changed(struct team_option *option); bool team_is_option_changed_locally(struct team_option *option); unsigned int team_get_option_value_len(struct team_option *option); uint32_t team_get_option_value_u32(struct team_option *option); char *team_get_option_value_string(struct team_option *option); void *team_get_option_value_binary(struct team_option *option); bool team_get_option_value_bool(struct team_option *option); int32_t team_get_option_value_s32(struct team_option *option); /* option setters */ int team_set_option_value_u32(struct team_handle *th, struct team_option *option, uint32_t val); int team_set_option_value_string(struct team_handle *th, struct team_option *option, const char *str); int team_set_option_value_binary(struct team_handle *th, struct team_option *option, const void *data, unsigned int data_len); int team_set_option_value_bool(struct team_handle *th, struct team_option *option, bool val); int team_set_option_value_s32(struct team_handle *th, struct team_option *option, int32_t val); /* * team_change_handler * * define change event types and register change handler functions */ enum { TEAM_PORT_CHANGE = 0x1, TEAM_OPTION_CHANGE = 0x2, TEAM_IFINFO_CHANGE = 0x4, TEAM_ANY_CHANGE = TEAM_PORT_CHANGE | TEAM_OPTION_CHANGE | TEAM_IFINFO_CHANGE, }; typedef unsigned int team_change_type_mask_t; struct team_change_handler { int (*func)(struct team_handle *th, void *func_priv, team_change_type_mask_t type_mask); /* type_mask passed to function * represents types of events which * really happened. */ team_change_type_mask_t type_mask; }; int team_change_handler_register(struct team_handle *th, const struct team_change_handler *handler, void *priv); void team_change_handler_unregister(struct team_handle *th, const struct team_change_handler *handler, void *priv); /* * stringify helper functions */ bool team_option_value_str(struct team_option *option, char *buf, size_t bufsiz); int team_set_option_value_from_string(struct team_handle *th, struct team_option *option, const char *str); bool team_option_str(struct team_handle *th, struct team_option *option, char *buf, size_t bufsiz); bool team_port_str(struct team_port *port, char *buf, size_t bufsiz); bool team_ifinfo_str(struct team_ifinfo *ifinfo, char *buf, size_t bufsiz); /* * route netlink helper functions */ uint32_t team_ifname2ifindex(struct team_handle *th, const char *ifname); char *team_ifindex2ifname(struct team_handle *th, uint32_t ifindex, char *ifname, unsigned int maxlen); int team_port_add(struct team_handle *th, uint32_t port_ifindex); int team_port_remove(struct team_handle *th, uint32_t port_ifindex); bool team_is_our_port(struct team_handle *th, uint32_t port_ifindex); int team_carrier_set(struct team_handle *th, bool carrier_up); bool team_carrier_get(struct team_handle *th); int team_hwaddr_set(struct team_handle *th, uint32_t ifindex, const char *addr, unsigned int addr_len); int team_hwaddr_get(struct team_handle *th, uint32_t ifindex, char *addr, unsigned int addr_len); int team_hwaddr_len_get(struct team_handle *th, uint32_t ifindex); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* _TEAM_H_ */