4.9-stable review patch. If anyone has any objections, please let me know.
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From: "Kalderon, Michal" Michal.Kalderon@cavium.com
[ 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 --- 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 @@ -2807,6 +2807,11 @@ int __qedr_post_send(struct ib_qp *ibqp,
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; @@ -2848,6 +2853,11 @@ int __qedr_post_send(struct ib_qp *ibqp, 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;