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authorFaisal Latif <faisal.latif@intel.com>2010-09-01 15:43:11 +0000
committerRoland Dreier <rolandd@cisco.com>2010-09-08 14:38:23 -0700
commit29da03b9d1c6f24548d98cebda1e15a25d80ee1b (patch)
tree8cf88d9c5d98d403883174e654a9d22435a0cd51
parent67d70721151726286763209ecadc3fce86abfdce (diff)
RDMA/nes: Fix hang with modified FIN handling on A0 cards
Changing state to CLOSING when FIN is received causes A0 cards to hang. Fix this by checking for A0 cards in FIN handling. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.c3
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index ba93a8be6bf..1980a461c49 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -3469,7 +3469,8 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
if (atomic_inc_return(&nesqp->close_timer_started) == 1) {
if ((tcp_state == NES_AEQE_TCP_STATE_CLOSE_WAIT) &&
- (nesqp->ibqp_state == IB_QPS_RTS)) {
+ (nesqp->ibqp_state == IB_QPS_RTS) &&
+ ((nesadapter->eeprom_version >> 16) != NES_A0)) {
spin_lock_irqsave(&nesqp->lock, flags);
nesqp->hw_iwarp_state = iwarp_state;
nesqp->hw_tcp_state = tcp_state;
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index aa9183db32b..1204c3432b6 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -45,6 +45,7 @@
#define NES_PHY_TYPE_KR 9
#define NES_MULTICAST_PF_MAX 8
+#define NES_A0 3
enum pci_regs {
NES_INT_STAT = 0x0000,