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Commit 4e9c3900 authored by Faisal Latif's avatar Faisal Latif Committed by Roland Dreier
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RDMA/nes: Increase rexmit timeout interval 



Under heavy load with large cluster testing, it may take longer to
receive a response to MPA requests.  Change the driver to wait longer
after each rexmit to max time value.

Signed-off-by: default avatarFaisal Latif <faisal.latif@intel.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent c11470f9

drivers/infiniband/hw/nes/nes_cm.c

+5 −1
Original line number Diff line number Diff line
@@ -541,6 +541,7 @@ static void nes_cm_timer_tick(unsigned long pass) 
	struct list_head *list_node;

	struct nes_cm_core *cm_core = g_cm_core;

	u32 settimer = 0;

	unsigned long timetosend;

	int ret = NETDEV_TX_OK;



	struct list_head timer_list;
@@ -645,8 +646,11 @@ static void nes_cm_timer_tick(unsigned long pass) 
				send_entry->retrycount);

			if (send_entry->send_retrans) {

				send_entry->retranscount--;

				timetosend = (NES_RETRY_TIMEOUT <<

					(NES_DEFAULT_RETRANS - send_entry->retranscount));



				send_entry->timetosend = jiffies +

					NES_RETRY_TIMEOUT;

					min(timetosend, NES_MAX_TIMEOUT);

				if (nexttimeout > send_entry->timetosend ||

					!settimer) {

					nexttimeout = send_entry->timetosend;

drivers/infiniband/hw/nes/nes_cm.h

+1 −0
Original line number Diff line number Diff line
@@ -149,6 +149,7 @@ struct nes_timer_entry { 
#endif

#define NES_SHORT_TIME      (10)

#define NES_LONG_TIME       (2000*HZ/1000)

#define NES_MAX_TIMEOUT     ((unsigned long) (12*HZ))



#define NES_CM_HASHTABLE_SIZE         1024

#define NES_CM_TCP_TIMER_INTERVAL     3000