[PATCH 2.6.37 04/11] RDMA/cxgb4: Ignore TERMINATE CQEs

Steve Wise
2010-09-10T16:15:04Z

T4 incorrectly inserts TERM CQEs into the CQ. Silently ignore them.

Signed-off-by: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
---

drivers/infiniband/hw/cxgb4/cq.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index b3daf39..d902ed7 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -476,6 +476,11 @@ static int poll_cq(struct t4_wq *wq, struct t4_cq *cq, struct t4_cqe *cqe,
goto proc_cqe;
}

+ if (CQE_OPCODE(hw_cqe) == FW_RI_TERMINATE) {
+ ret = -EAGAIN;
+ goto skip_cqe;
+ }
+
/*
* RECV completion.
*/
@@ -696,6 +701,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc)
case T4_ERR_MSN_RANGE:
case T4_ERR_IRD_OVERFLOW:
case T4_ERR_OPCODE:
+ case T4_ERR_INTERNAL_ERR:
wc->status = IB_WC_FATAL_ERR;
break;
case T4_ERR_SWFLUSH: