From 98c8026331ceabe1df579940b81eec75eb49cdd9 Mon Sep 17 00:00:00 2001 From: Bob Pearson Date: Thu, 7 Apr 2022 16:04:45 -0500 Subject: [PATCH] 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 Signed-off-by: Jason Gunthorpe --- drivers/infiniband/sw/rxe/rxe_req.c | 3 +-- drivers/infiniband/sw/rxe/rxe_resp.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 52c1d8f..5f7348b 100644 --- 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 9dc38f7..e2653a8 100644 --- 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 { -- 2.7.4