From: "Kalderon, Michal" <Michal.Kalderon@cavium.com>
Date: Mon, 5 Mar 2018 10:50:11 +0200
Subject: RDMA/qedr: Fix iWARP write and send with immediate
Patch-mainline: v4.16-rc5
Git-commit: 551e1c67b4207455375a2e7a285dea1c7e8fc361
References: bsc#1086314 FATE#324886 bsc#1086313 FATE#324885 bsc#1086301 FATE#3248881
iWARP does not support RDMA WRITE or SEND with immediate data.
Driver should check this before submitting to FW and return an
immediate error
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/qedr/verbs.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -3034,6 +3034,11 @@ static int __qedr_post_send(struct ib_qp
switch (wr->opcode) {
case IB_WR_SEND_WITH_IMM:
+ if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+ rc = -EINVAL;
+ *bad_wr = wr;
+ break;
+ }
wqe->req_type = RDMA_SQ_REQ_TYPE_SEND_WITH_IMM;
swqe = (struct rdma_sq_send_wqe_1st *)wqe;
swqe->wqe_size = 2;
@@ -3075,6 +3080,11 @@ static int __qedr_post_send(struct ib_qp
break;
case IB_WR_RDMA_WRITE_WITH_IMM:
+ if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+ rc = -EINVAL;
+ *bad_wr = wr;
+ break;
+ }
wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_WR_WITH_IMM;
rwqe = (struct rdma_sq_rdma_wqe_1st *)wqe;