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RDMA/qedr: Fix iWARP write and send with immediate

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[ Upstream commit 551e1c67b4207455375a2e7a285dea1c7e8fc361 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kalderon, Michal 2018-03-05 10:50:11 +02:00 committed by Greg Kroah-Hartman
parent 40fe662649
commit 7b10604ddf
1 changed files with 10 additions and 0 deletions
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10
drivers/infiniband/hw/qedr/verbs.c
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@ -2832,6 +2832,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
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;
@ -2873,6 +2878,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
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;