From: Vlad Yasevich <vyasevic@redhat.com>
Date: Thu, 1 Jun 2017 15:01:16 +0000 (-0400)
Subject: ip: Add IFLA_EVENT output to ip monitor
X-Git-Tag: v4.13.0~129
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=735a52ceda9384bfcaf4285cc4308d9d3aeb942b;p=thirdparty%2Fiproute2.git

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>
---

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_);