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add missing iplink_xstats.c

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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2017-02-20 08:53:25 -08:00
parent 29926015ea
commit 2b99748a60
1 changed files with 81 additions and 0 deletions
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81
ip/iplink_xstats.c Normal file
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/*
* iplink_stats.c Extended statistics commands
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* 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_wilddump_stats_req_filter(&rth, AF_UNSPEC,
RTM_GETSTATS,
filt_mask) < 0) {
perror("Cannont send dump request");
return -1;
}
if (rtnl_dump_filter(&rth, lu->print_ifla_xstats, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
return -1;
}
return 0;
}