| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * iplink_stats.c Extended statistics commands |
| * |
| * Authors: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <linux/if_link.h> |
| #include <netinet/ether.h> |
| |
| #include "utils.h" |
| #include "ip_common.h" |
| |
| static void print_explain(FILE *f) |
| { |
| fprintf(f, "Usage: ... xstats type TYPE [ ARGS ]\n"); |
| } |
| |
| int iplink_ifla_xstats(int argc, char **argv) |
| { |
| struct link_util *lu = NULL; |
| __u32 filt_mask; |
| |
| if (!argc) { |
| fprintf(stderr, "xstats: missing argument\n"); |
| return -1; |
| } |
| |
| if (matches(*argv, "type") == 0) { |
| NEXT_ARG(); |
| lu = get_link_kind(*argv); |
| if (!lu) |
| invarg("invalid type", *argv); |
| } else if (matches(*argv, "help") == 0) { |
| print_explain(stdout); |
| return 0; |
| } else { |
| invarg("unknown argument", *argv); |
| } |
| |
| if (!lu) { |
| print_explain(stderr); |
| return -1; |
| } |
| |
| if (!lu->print_ifla_xstats) { |
| fprintf(stderr, "xstats: link type %s doesn't support xstats\n", |
| lu->id); |
| return -1; |
| } |
| |
| if (lu->parse_ifla_xstats && |
| lu->parse_ifla_xstats(lu, argc-1, argv+1)) |
| return -1; |
| |
| if (strstr(lu->id, "_slave")) |
| filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS_SLAVE); |
| else |
| filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS); |
| |
| if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask, |
| NULL, NULL) < 0) { |
| perror("Cannot send dump request"); |
| return -1; |
| } |
| |
| new_json_obj(json); |
| if (rtnl_dump_filter(&rth, lu->print_ifla_xstats, stdout) < 0) { |
| delete_json_obj(); |
| fprintf(stderr, "Dump terminated\n"); |
| return -1; |
| } |
| delete_json_obj(); |
| |
| return 0; |
| } |