Add IFLA_EVENT handling so that event types can be viewed with
'moniotr' command. This gives a little more information for why
a given message was recevied.
V2: Adds all events recently proposed. This way all currently supported
events can be viewed.
Signed-off-by: Vladislav Yasevich <vyase...@redhat.com>
---
include/linux/if_link.h | 19 +++++++++++++++++++
ip/ipaddress.c | 29 +++++++++++++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index b0bdbd6..6cc0b36 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
};
@@ -890,4 +891,22 @@ enum {
#define IFLA_XDP_MAX (__IFLA_XDP_MAX - 1)
+enum {
+ IFLA_EVENT_UNSPEC,
+ IFLA_EVENT_REBOOT,
+ IFLA_EVENT_CHANGE_MTU,
+ IFLA_EVENT_CHANGE_NAME,
+ IFLA_EVENT_FEAT_CHANGE,
+ IFLA_EVENT_BONDING_FAILOVER,
+ IFLA_EVENT_NOTIFY_PEERS,
+ IFLA_EVENT_CHANGE_UPPER,
+ IFLA_EVENT_RESEND_IGMP,
+ IFLA_EVENT_PRE_CHANGE_MTU,
+ IFLA_EVENT_CHANGE_INFO_DATA,
+ IFLA_EVENT_PRE_CHANGE_UPPER,
+ IFLA_EVENT_CHANGE_LOWER_STATE,
+ IFLA_EVENT_UDP_TUNNEL_PUSH_INFO,
+ IFLA_EVENT_CHANGE_TX_QUEUE_LEN,
+};
+
#endif /* _LINUX_IF_LINK_H */
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index b8d9c7d..dfe93f3 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -753,6 +753,32 @@ int print_linkinfo_brief(const struct sockaddr_nl *who,
return 0;
}
+static const char *netdev_events[] = {"UNKNONWN",
+ "REBOOT",
+ "CHANGE_MTU",
+ "CHANGE_NAME",
+ "FEATURE_CHANGE",
+ "BONDING_FAILOVER",
+ "NOTIFY_PEERS",
+ "CHANGE_UPPER",
+ "RESEND_IGMP",
+ "PRE_CHANGE_MTU",
+ "CHANGE_INFO_DATA",
+ "PRE_CHANGE_UPPER",
+ "CHANGE_LOWER_STATE",
+ "UDP_TUNNEL_PUSH_INFO",
+ "CHANGE_TXQUEUE_LEN"};
+
+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 +884,9 @@ 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_);
--
2.7.4
