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[v1,for-next,09/16] RDMA/ocrdma: Allow only SEND opcode in case of UD QPs

Message ID f3aa3dac-b153-4e2a-9295-d0f47edba651@CMEXHTCAS1.ad.emulex.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Selvin Xavier June 10, 2014, 2:02 p.m. UTC 
From: Mitesh Ahuja <mitesh.ahuja@emulex.Com>

Prevent posting opcodes other than send and send immediate on the UD QPs

Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
---
 drivers/infiniband/hw/ocrdma/ocrdma_verbs.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 2b68235..7f54d24 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -2055,6 +2055,13 @@  int ocrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 	}
 
 	while (wr) {
+		if (qp->qp_type == IB_QPT_UD &&
+		    (wr->opcode != IB_WR_SEND &&
+		     wr->opcode != IB_WR_SEND_WITH_IMM)) {
+			*bad_wr = wr;
+			status = -EINVAL;
+			break;
+		}
 		if (ocrdma_hwq_free_cnt(&qp->sq) == 0 ||
 		    wr->num_sge > qp->sq.max_sges) {
 			*bad_wr = wr;