---

yaml --- r: 158995 b: refs/heads/master c: 3ba23ad h: refs/heads/master i: 158993: 5b361ef 158991: 38ba9af v: v3
git-mirror · Jul 20, 2009 · a3a19db · a3a19db
1 parent 708c429
commit a3a19db
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Showing 4 changed files with 8 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4edf547b4d0f886acf5aa5a0c8f8edbaff280830
+refs/heads/master: 3ba23ade464cca7c4a7ba5628c613339d3f2e161
diff --git a/trunk/net/rds/ib.c b/trunk/net/rds/ib.c
@@ -43,11 +43,14 @@
 
 unsigned int fmr_pool_size = RDS_FMR_POOL_SIZE;
 unsigned int fmr_message_size = RDS_FMR_SIZE + 1; /* +1 allows for unaligned MRs */
+unsigned int rds_ib_retry_count = RDS_IB_DEFAULT_RETRY_COUNT;
 
 module_param(fmr_pool_size, int, 0444);
 MODULE_PARM_DESC(fmr_pool_size, " Max number of fmr per HCA");
 module_param(fmr_message_size, int, 0444);
 MODULE_PARM_DESC(fmr_message_size, " Max size of a RDMA transfer");
+module_param(rds_ib_retry_count, int, 0444);
+MODULE_PARM_DESC(rds_ib_retry_count, " Number of hw retries before reporting an error");
 
 struct list_head rds_ib_devices;
 

diff --git a/trunk/net/rds/ib.h b/trunk/net/rds/ib.h
@@ -15,6 +15,8 @@
 #define RDS_IB_DEFAULT_RECV_WR		1024
 #define RDS_IB_DEFAULT_SEND_WR		256
 
+#define RDS_IB_DEFAULT_RETRY_COUNT	2
+
 #define RDS_IB_SUPPORTED_PROTOCOLS	0x00000003	/* minor versions supported */
 
 extern struct list_head rds_ib_devices;
@@ -247,6 +249,7 @@ extern struct ib_client rds_ib_client;
 
 extern unsigned int fmr_pool_size;
 extern unsigned int fmr_message_size;
+extern unsigned int rds_ib_retry_count;
 
 extern spinlock_t ib_nodev_conns_lock;
 extern struct list_head ib_nodev_conns;

diff --git a/trunk/net/rds/ib_cm.c b/trunk/net/rds/ib_cm.c
@@ -145,7 +145,7 @@ static void rds_ib_cm_fill_conn_param(struct rds_connection *conn,
 	/* XXX tune these? */
 	conn_param->responder_resources = 1;
 	conn_param->initiator_depth = 1;
-	conn_param->retry_count = 7;
+	conn_param->retry_count = min_t(unsigned int, rds_ib_retry_count, 7);
 	conn_param->rnr_retry_count = 7;
 
 	if (dp) {