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ip/iplink_dsa.c
68 строк
1 KB
Vladimir Oltean
ip link: add sub-command to view and change DSA conduit interface
28 сен 2022, 06:14
28 сен 2022, 06:14
08e6ee9
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/* SPDX-License-Identifier: GPL-2.0 */ /* * iplink_dsa.c DSA switch support */ #include "utils.h" #include "ip_common.h" static void print_usage(FILE *f) { fprintf(f, "Usage: ... dsa [ conduit DEVICE ]\n"); } static int dsa_parse_opt(struct link_util *lu, int argc, char **argv, struct nlmsghdr *n) { while (argc > 0) { if (strcmp(*argv, "conduit") == 0 || strcmp(*argv, "master") == 0) { __u32 ifindex; NEXT_ARG(); ifindex = ll_name_to_index(*argv); if (!ifindex) invarg("Device does not exist\n", *argv); addattr_l(n, 1024, IFLA_DSA_MASTER, &ifindex, 4); } else if (strcmp(*argv, "help") == 0) { print_usage(stderr); return -1; } else { fprintf(stderr, "dsa: unknown command \"%s\"?\n", *argv); print_usage(stderr); return -1; } argc--; argv++; } return 0; } static void dsa_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) { if (!tb) return; if (tb[IFLA_DSA_MASTER]) { __u32 conduit = rta_getattr_u32(tb[IFLA_DSA_MASTER]); print_string(PRINT_ANY, "conduit", "conduit %s ", ll_index_to_name(conduit)); } } static void dsa_print_help(struct link_util *lu, int argc, char **argv, FILE *f) { print_usage(f); } struct link_util dsa_link_util = { .id = "dsa", .maxattr = IFLA_DSA_MAX, .parse_opt = dsa_parse_opt, .print_opt = dsa_print_opt, .print_help = dsa_print_help, };