@@ -157,6 +157,7 @@ enum {
IFLA_GSO_MAX_SIZE,
IFLA_PAD,
IFLA_XDP,
+ IFLA_EVENT,
__IFLA_MAX
};
@@ -890,4 +891,10 @@ enum {
#define IFLA_XDP_MAX (__IFLA_XDP_MAX - 1)
+enum {
+ IFLA_EVENT_UNSPEC,
+ IFLA_EVENT_CHANGE_MTU,
+ IFLA_EVENT_NOTIFY_PEERS,
+};
+
#endif /* _LINUX_IF_LINK_H */
@@ -753,6 +753,18 @@ int print_linkinfo_brief(const struct sockaddr_nl *who,
return 0;
}
+static const char *netdev_events[] = {"UNKNONWN", "MTU_CHANGE", "NOTIFY_PEERS"};
+
+static void print_dev_event(FILE *f, __u32 event)
+{
+ if (event >= ARRAY_SIZE(netdev_events))
+ fprintf(f, "event %d ", event);
+ else {
+ if (event)
+ fprintf(f, "event %s ", netdev_events[event]);
+ }
+}
+
int print_linkinfo(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
@@ -858,6 +870,9 @@ int print_linkinfo(const struct sockaddr_nl *who,
if (filter.showqueue)
print_queuelen(fp, tb);
+ if (tb[IFLA_EVENT])
+ print_dev_event(fp, rta_getattr_u32(tb[IFLA_EVENT]));
+
if (!filter.family || filter.family == AF_PACKET || show_details) {
SPRINT_BUF(b1);
fprintf(fp, "%s", _SL_);
Add MTU_CHANGED and NOTIFY_PEER events that can be viewed with 'moniotr' command. This gives a little more information for why a given notification was recevied. More events can be be added later. Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> --- include/linux/if_link.h | 7 +++++++ ip/ipaddress.c | 15 +++++++++++++++ 2 files changed, 22 insertions(+)