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[2603:8081:140c:1a00:c4e7:bfae:90ed:ac81]) by smtp.googlemail.com with ESMTPSA id v17-20020a056808005100b00349a06c581fsm2798557oic.3.2022.09.29.10.09.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Sep 2022 10:09:15 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next v2 10/13] RDMA/rxe: Extend rxe_comp.c to support xrc qps Date: Thu, 29 Sep 2022 12:08:34 -0500 Message-Id: <20220929170836.17838-11-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220929170836.17838-1-rpearsonhpe@gmail.com> References: <20220929170836.17838-1-rpearsonhpe@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Extend code in rxe_comp.c to support xrc qp types. Signed-off-by: Bob Pearson --- drivers/infiniband/sw/rxe/rxe_comp.c | 45 ++++++++++++++-------------- 1 file changed, 22 insertions(+), 23 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 1f10ae4a35d5..cb6621b4055d 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -213,12 +213,13 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt, struct rxe_send_wqe *wqe) { + struct rxe_dev *rxe = to_rdev(qp->ibqp.device); unsigned int mask = pkt->mask; + int opcode; u8 syn; - struct rxe_dev *rxe = to_rdev(qp->ibqp.device); - /* Check the sequence only */ - switch (qp->comp.opcode) { + /* Mask off type bits and check the sequence only */ + switch (qp->comp.opcode & IB_OPCODE_CMD) { case -1: /* Will catch all *_ONLY cases. */ if (!(mask & RXE_FIRST_MASK)) @@ -226,42 +227,39 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, break; - case IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST: - case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE: - if (pkt->opcode != IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE && - pkt->opcode != IB_OPCODE_RC_RDMA_READ_RESPONSE_LAST) { + case IB_OPCODE_RDMA_READ_RESPONSE_FIRST: + case IB_OPCODE_RDMA_READ_RESPONSE_MIDDLE: + opcode = pkt->opcode & IB_OPCODE_CMD; + if (opcode != IB_OPCODE_RDMA_READ_RESPONSE_MIDDLE && + opcode != IB_OPCODE_RDMA_READ_RESPONSE_LAST) { /* read retries of partial data may restart from * read response first or response only. */ if ((pkt->psn == wqe->first_psn && - pkt->opcode == - IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST) || + opcode == IB_OPCODE_RDMA_READ_RESPONSE_FIRST) || (wqe->first_psn == wqe->last_psn && - pkt->opcode == - IB_OPCODE_RC_RDMA_READ_RESPONSE_ONLY)) + opcode == IB_OPCODE_RDMA_READ_RESPONSE_ONLY)) break; return COMPST_ERROR; } break; default: - WARN_ON_ONCE(1); + //WARN_ON_ONCE(1); } - /* Check operation validity. */ - switch (pkt->opcode) { - case IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST: - case IB_OPCODE_RC_RDMA_READ_RESPONSE_LAST: - case IB_OPCODE_RC_RDMA_READ_RESPONSE_ONLY: + /* Mask off the type bits and check operation validity. */ + switch (pkt->opcode & IB_OPCODE_CMD) { + case IB_OPCODE_RDMA_READ_RESPONSE_FIRST: + case IB_OPCODE_RDMA_READ_RESPONSE_LAST: + case IB_OPCODE_RDMA_READ_RESPONSE_ONLY: syn = aeth_syn(pkt); if ((syn & AETH_TYPE_MASK) != AETH_ACK) return COMPST_ERROR; fallthrough; - /* (IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE doesn't have an AETH) - */ - case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE: + case IB_OPCODE_RDMA_READ_RESPONSE_MIDDLE: if (wqe->wr.opcode != IB_WR_RDMA_READ && wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV) { wqe->status = IB_WC_FATAL_ERR; @@ -270,7 +268,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, reset_retry_counters(qp); return COMPST_READ; - case IB_OPCODE_RC_ATOMIC_ACKNOWLEDGE: + case IB_OPCODE_ATOMIC_ACKNOWLEDGE: syn = aeth_syn(pkt); if ((syn & AETH_TYPE_MASK) != AETH_ACK) @@ -282,7 +280,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, reset_retry_counters(qp); return COMPST_ATOMIC; - case IB_OPCODE_RC_ACKNOWLEDGE: + case IB_OPCODE_ACKNOWLEDGE: syn = aeth_syn(pkt); switch (syn & AETH_TYPE_MASK) { case AETH_ACK: @@ -669,7 +667,8 @@ int rxe_completer(void *arg) * timeouts but try to keep them as few as possible) * (4) the timeout parameter is set */ - if ((qp_type(qp) == IB_QPT_RC) && + if ((qp_type(qp) == IB_QPT_RC || + qp_type(qp) == IB_QPT_XRC_INI) && (qp->req.state == QP_STATE_READY) && (psn_compare(qp->req.psn, qp->comp.psn) > 0) && qp->qp_timeout_jiffies) -- 2.34.1