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ip: Add IFLA_EVENT output to ip monitor 

Add IFLA_EVENT output so that event types can be viewed with
'monitor' command.  This gives a little more information for why
a given message was received.

Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
This commit is contained in:
Vlad Yasevich 2017-06-01 11:01:16 -04:00 committed by Stephen Hemminger
parent aa883d86c0
commit 735a52ceda
1 changed files with 23 additions and 0 deletions
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23
ip/ipaddress.c
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@ -737,6 +737,26 @@ int print_linkinfo_brief(const struct sockaddr_nl *who,
return 0; return 0;
} }
static const char *link_events[] = {
[IFLA_EVENT_NONE] = "NONE",
[IFLA_EVENT_REBOOT] = "REBOOT",
[IFLA_EVENT_FEATURES] = "FEATURE CHANGE",
[IFLA_EVENT_BONDING_FAILOVER] = "BONDING FAILOVER",
[IFLA_EVENT_NOTIFY_PEERS] = "NOTIFY PEERS",
[IFLA_EVENT_IGMP_RESEND] = "RESEND IGMP",
[IFLA_EVENT_BONDING_OPTIONS] = "BONDING OPTION"
};
static void print_link_event(FILE *f, __u32 event)
{
if (event >= ARRAY_SIZE(link_events))
fprintf(f, "event %d ", event);
else {
if (event)
fprintf(f, "event %s ", link_events[event]);
}
}
int print_linkinfo(const struct sockaddr_nl *who, int print_linkinfo(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg) struct nlmsghdr *n, void *arg)
{ {
@ -842,6 +862,9 @@ int print_linkinfo(const struct sockaddr_nl *who,
if (filter.showqueue) if (filter.showqueue)
print_queuelen(fp, tb); print_queuelen(fp, tb);
if (tb[IFLA_EVENT])
print_link_event(fp, rta_getattr_u32(tb[IFLA_EVENT]));
if (!filter.family || filter.family == AF_PACKET || show_details) { if (!filter.family || filter.family == AF_PACKET || show_details) {
SPRINT_BUF(b1); SPRINT_BUF(b1);
fprintf(fp, "%s", _SL_); fprintf(fp, "%s", _SL_);