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authorGhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com>2018-03-21 16:37:45 +0300
committerDavid S. Miller <davem@davemloft.net>2018-03-22 21:43:37 +0300
commit872619d8cf810c17279335ef531a2a34f3b4e589 (patch)
tree832466ed602f57586e25a2707d201e47d7bc2a9d /include/uapi/linux/tipc_netlink.h
parentc30b70deb5f4861f590031c33fd3ec6cc63f1df1 (diff)
downloadlinux-872619d8cf810c17279335ef531a2a34f3b4e589.tar.xz
tipc: step sk->sk_drops when rcv buffer is full
Currently when tipc is unable to queue a received message on a socket, the message is rejected back to the sender with error TIPC_ERR_OVERLOAD. However, the application on this socket has no knowledge about these discards. In this commit, we try to step the sk_drops counter when tipc is unable to queue a received message. Export sk_drops using tipc socket diagnostics. Acked-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com> Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/tipc_netlink.h')
-rw-r--r--include/uapi/linux/tipc_netlink.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/tipc_netlink.h b/include/uapi/linux/tipc_netlink.h
index d7cec0480d70..d896ded51bcb 100644
--- a/include/uapi/linux/tipc_netlink.h
+++ b/include/uapi/linux/tipc_netlink.h
@@ -251,6 +251,7 @@ enum {
TIPC_NLA_SOCK_STAT_SENDQ, /* u32 */
TIPC_NLA_SOCK_STAT_LINK_CONG, /* flag */
TIPC_NLA_SOCK_STAT_CONN_CONG, /* flag */
+ TIPC_NLA_SOCK_STAT_DROP, /* u32 */
__TIPC_NLA_SOCK_STAT_MAX,
TIPC_NLA_SOCK_STAT_MAX = __TIPC_NLA_SOCK_STAT_MAX - 1