From 735a52ceda9384bfcaf4285cc4308d9d3aeb942b Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Thu, 1 Jun 2017 11:01:16 -0400 Subject: [PATCH] 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 --- ip/ipaddress.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/ip/ipaddress.c b/ip/ipaddress.c index 4900dce09..f06f5829f 100644 --- a/ip/ipaddress.c +++ b/ip/ipaddress.c @@ -737,6 +737,26 @@ int print_linkinfo_brief(const struct sockaddr_nl *who, 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, struct nlmsghdr *n, void *arg) { @@ -842,6 +862,9 @@ int print_linkinfo(const struct sockaddr_nl *who, if (filter.showqueue) 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) { SPRINT_BUF(b1); fprintf(fp, "%s", _SL_); -- 2.47.2