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Commit 7b10604d authored by Kalderon, Michal's avatar Kalderon, Michal Committed by Greg Kroah-Hartman
Browse files

RDMA/qedr: Fix iWARP write and send with immediate 



[ 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: default avatarMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: default avatarAriel Elior <Ariel.Elior@cavium.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 40fe6626

drivers/infiniband/hw/qedr/verbs.c

+10 −0
Original line number Diff line number Diff line
@@ -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;