From: Derrick Brashear <shadow@dementia.org>
Date: Thu, 10 Jun 2010 18:47:24 +0000 (-0400)
Subject: unix cm activate mtu pings
X-Git-Tag: openafs-devel-1_5_75~133
X-Git-Url: https://git.openafs.org/?p=openafs.git;a=commitdiff_plain;h=d26f5e158cffa313d0f504e7ba3afc1743b5d1ef

unix cm activate mtu pings

set an error code so idle dead time is enforced on sending. needed
in order that MTU pings be activated.

Change-Id: I8cf1ca81e6519b440fc679e85f327f338400c29a
Reviewed-on: http://gerrit.openafs.org/2116
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
---

diff --git a/src/afs/afs_analyze.c b/src/afs/afs_analyze.c
index 5c63702..dd3dd08 100644
--- a/src/afs/afs_analyze.c
+++ b/src/afs/afs_analyze.c
@@ -414,7 +414,10 @@ afs_Analyze(register struct afs_conn *aconn, afs_int32 acode,
 		}
 	    } /* if (hm_retry_int ... */
 	    else {
-		areq->networkError = 1;
+		if (acode == RX_MSGSIZE)
+		    shouldRetry = 1;
+		else
+		    areq->networkError = 1;
 	    }
 	}
 	return shouldRetry;
@@ -456,6 +459,10 @@ afs_Analyze(register struct afs_conn *aconn, afs_int32 acode,
 	acode = 455;
 #endif /* AFS_64BIT_CLIENT */
     if ((acode < 0) && (acode != VRESTARTING)) {
+	if (acode == RX_MSGSIZE) {
+	    shouldRetry = 1;
+	    goto out;
+	}
 	if (acode == RX_CALL_TIMEOUT) {
 	    serversleft = afs_BlackListOnce(areq, afid, tsp);
 	    if (afid)
diff --git a/src/afs/afs_conn.c b/src/afs/afs_conn.c
index 0af0417..4788d09 100644
--- a/src/afs/afs_conn.c
+++ b/src/afs/afs_conn.c
@@ -293,7 +293,10 @@ afs_ConnBySA(struct srvAddr *sap, unsigned short aport, afs_int32 acell,
 	if (service == 52) {
 	    rx_SetConnHardDeadTime(tc->id, afs_rx_harddead);
 	}
+	/* set to a RX_CALL_TIMEOUT error to allow MTU retry to trigger */
+	rx_SetServerConnIdleDeadErr(tc->id, RX_CALL_DEAD);
 	rx_SetConnIdleDeadTime(tc->id, afs_rx_idledead);
+	rx_SetMsgsizeRetryErr(tc->id, RX_MSGSIZE);
 
 	/*
 	 * Only do this for the base connection, not per-user.