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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 /drivers/infiniband
parent67d70721151726286763209ecadc3fce86abfdce (diff)
downloadop-kernel-dev-29da03b9d1c6f24548d98cebda1e15a25d80ee1b.zip
op-kernel-dev-29da03b9d1c6f24548d98cebda1e15a25d80ee1b.tar.gz
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>
Diffstat (limited to 'drivers/infiniband')
-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 ba93a8b..1980a46 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 aa9183d..1204c34 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,
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