From: Steve Wise <swise@opengridcomputing.com>
Date: Fri, 10 Sep 2010 16:15:04 +0000 (-0500)
Subject: RDMA/cxgb4: Ignore TERMINATE CQEs
X-Git-Tag: firefly_0821_release~7613^2~3618^2^4~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6ff0e343b3356897cef1f09452f93acb13703911;p=firefly-linux-kernel-4.4.55.git

RDMA/cxgb4: Ignore TERMINATE CQEs

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

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index af684fca4a82..70371e92f2a5 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: