Commit 98c80263 authored by Bob Pearson's avatar Bob Pearson Committed by Jason Gunthorpe
Browse files

RDMA/rxe: Remove reliable datagram support 

The rdma_rxe driver does not actually support the reliable datagram
transport but contains two references to RD opcodes in driver code.  This
commit removes these references to RD transport opcodes which are never
used.

Link: https://lore.kernel.org/r/cce0f07d-25fc-5880-69e7-001d951750b7@gmail.com


Signed-off-by: default avatarBob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 409baed5

drivers/infiniband/sw/rxe/rxe_req.c

+1 −2
Original line number Diff line number Diff line
@@ -413,8 +413,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, 


	if (pkt->mask & RXE_ATMETH_MASK) {

		atmeth_set_va(pkt, wqe->iova);

		if (opcode == IB_OPCODE_RC_COMPARE_SWAP ||

		    opcode == IB_OPCODE_RD_COMPARE_SWAP) {

		if (opcode == IB_OPCODE_RC_COMPARE_SWAP) {

			atmeth_set_swap_add(pkt, ibwr->wr.atomic.swap);

			atmeth_set_comp(pkt, ibwr->wr.atomic.compare_add);

		} else {

drivers/infiniband/sw/rxe/rxe_resp.c

+1 −2
Original line number Diff line number Diff line
@@ -576,8 +576,7 @@ static enum resp_states process_atomic(struct rxe_qp *qp, 


	qp->resp.atomic_orig = *vaddr;



	if (pkt->opcode == IB_OPCODE_RC_COMPARE_SWAP ||

	    pkt->opcode == IB_OPCODE_RD_COMPARE_SWAP) {

	if (pkt->opcode == IB_OPCODE_RC_COMPARE_SWAP) {

		if (*vaddr == atmeth_comp(pkt))

			*vaddr = atmeth_swap_add(pkt);

	} else {