LU-13571 lnd: Use NETWORK_TIMEOUT for some conn failures

For -EHOSTUNREACH and -ETIMEDOUT we cannot tell whether the
connnection failure was due to a problem with the remote or local NI,
so we should return the LNET_MSG_STATUS_NETWORK_TIMEOUT to LNet in
these cases.

HPE-bug-id: LUS-9342
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I9036f5698061ce74fe29683b8249b8f9a05f3433
Reviewed-on: https://review.whamcloud.com/39900
Reviewed-by: Amir Shehata <ashehata@whamcloud.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lnet/klnds/o2iblnd/o2iblnd_cb.c b/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 70ec9e8..a7ededd 100644 (file)
--- a/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -2209,8 +2209,12 @@ kiblnd_peer_connect_failed(struct kib_peer_ni *peer_ni, int active,
        CNETERR("Deleting messages for %s: connection failed\n",
                libcfs_nid2str(peer_ni->ibp_nid));
 
        CNETERR("Deleting messages for %s: connection failed\n",
                libcfs_nid2str(peer_ni->ibp_nid));
 

-       kiblnd_txlist_done(&zombies, error,
-                          LNET_MSG_STATUS_LOCAL_DROPPED);
+       if (error == -EHOSTUNREACH || error == -ETIMEDOUT)
+               kiblnd_txlist_done(&zombies, error,
+                                  LNET_MSG_STATUS_NETWORK_TIMEOUT);
+       else
+               kiblnd_txlist_done(&zombies, error,
+                                  LNET_MSG_STATUS_LOCAL_DROPPED);

 }
 
 static void
 }
 
 static void