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: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 52c1d8ff6e5b9204b73ca0b9436f4487d6db2416..5f7348b11268b7395ecd266a017f755c4ff47e29 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -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 {

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 9dc38f7c990b7507de2c29a08102ecc8b5bed52f..e2653a8721fe98f34236209519f6666430f709a9 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -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 {