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authorFaisal Latif <faisal.latif@intel.com>2010-09-01 19:43:11 +0400
committerRoland Dreier <rolandd@cisco.com>2010-09-09 01:38:23 +0400
commit29da03b9d1c6f24548d98cebda1e15a25d80ee1b (patch)
tree8cf88d9c5d98d403883174e654a9d22435a0cd51 /drivers/infiniband
parent67d70721151726286763209ecadc3fce86abfdce (diff)
downloadlinux-29da03b9d1c6f24548d98cebda1e15a25d80ee1b.tar.xz
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 ba93a8be6bf6..1980a461c499 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 aa9183db32b1..1204c3432b63 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,