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: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 1f7a659..4969c38 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -541,6 +541,7 @@
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 @@
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;