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 <vyase...@redhat.com>
---
v7: change the names to make it more generic then just netdev events.
Updated initialization.
include/linux/if_link.h | 11 +++++++++++
ip/ipaddress.c | 22 ++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 5a3a048..c0a6769 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -157,6 +157,7 @@ enum {
IFLA_GSO_MAX_SIZE,
IFLA_PAD,
IFLA_XDP,
+ IFLA_EVENT,
__IFLA_MAX
};
@@ -909,4 +910,14 @@ enum {
#define IFLA_XDP_MAX (__IFLA_XDP_MAX - 1)
+enum {
+ IFLA_EVENT_NONE,
+ IFLA_EVENT_REBOOT, /* internal reset / reboot */
+ IFLA_EVENT_FEATURES, /* change in offload features */
+ IFLA_EVENT_BONDING_FAILOVER, /* hange in active slave */
+ IFLA_EVENT_NOTIFY_PEERS, /* re-sent grat. arp/ndisc */
+ IFLA_EVENT_IGMP_RESEND, /* re-sent IGMP JOIN */
+ IFLA_EVENT_BONDING_OPTIONS, /* change in bonding options */
+};
+
#endif /* _LINUX_IF_LINK_H */
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index b8d9c7d..cea4389 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -753,6 +753,25 @@ 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)
{
@@ -858,6 +877,9 @@ 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_);
--
2.7.4
