From patchwork Thu Nov 1 13:18:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Boyer X-Patchwork-Id: 10663959 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4314E157A for ; Thu, 1 Nov 2018 13:19:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3467F2B463 for ; Thu, 1 Nov 2018 13:19:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 274D32B661; Thu, 1 Nov 2018 13:19:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E3282B463 for ; 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Thu, 1 Nov 2018 09:19:27 -0400 Received: from hopcyc-boyera-1-00.cec.lab.emc.com (hopcyc-boyera-1-00.cec.lab.emc.com [10.244.196.91]) by mailsyshubprd53.lss.emc.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.0) with ESMTP id wA1DJCwB013224; Thu, 1 Nov 2018 09:19:27 -0400 From: Andrew Boyer To: majd@mellanox.com, yanjun.zhu@oracle.com, monis@mellanox.com, yonatanc@mellanox.com, linux-rdma@vger.kernel.org Cc: Andrew Boyer Subject: [PATCH v2 1/2] RDMA/rxe: Distinguish between down links and disabled links Date: Thu, 1 Nov 2018 09:18:45 -0400 Message-Id: <20181101131846.7441-2-andrew.boyer@dell.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20181101131846.7441-1-andrew.boyer@dell.com> References: <20181030135427.19036-1-andrew.boyer@dell.com> <20181101131846.7441-1-andrew.boyer@dell.com> X-RSA-Classifications: Source Code, public X-Sentrion-Hostname: mailuogwprd02.lss.emc.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-11-01_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811010118 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In ib_query_port(), use the netdev's IFF_UP flag to determine phys_state (flag set = down = POLLING, flag clear = disabled = DISABLED). Callers can then use the phys_state field to distinguish between links which have a dead partner, cable missing, etc., from links which are turned off on the local node. This is useful for HA and supportability. Signed-off-by: Andrew Boyer --- drivers/infiniband/sw/rxe/rxe.h | 5 +++-- drivers/infiniband/sw/rxe/rxe_net.c | 2 -- drivers/infiniband/sw/rxe/rxe_verbs.c | 8 ++++++++ 3 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index d9ec2de68738..8f79bd86d033 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -65,8 +65,9 @@ */ #define RXE_UVERBS_ABI_VERSION 2 -#define IB_PHYS_STATE_LINK_UP (5) -#define IB_PHYS_STATE_LINK_DOWN (3) +#define RDMA_LINK_PHYS_STATE_LINK_UP (5) +#define RDMA_LINK_PHYS_STATE_DISABLED (3) +#define RDMA_LINK_PHYS_STATE_POLLING (2) #define RXE_ROCE_V2_SPORT (0xc000) diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index 40e82e0f6c2d..cb028a3d8275 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -607,7 +607,6 @@ void rxe_port_up(struct rxe_dev *rxe) port = &rxe->port; port->attr.state = IB_PORT_ACTIVE; - port->attr.phys_state = IB_PHYS_STATE_LINK_UP; rxe_port_event(rxe, IB_EVENT_PORT_ACTIVE); dev_info(&rxe->ib_dev.dev, "set active\n"); @@ -620,7 +619,6 @@ void rxe_port_down(struct rxe_dev *rxe) port = &rxe->port; port->attr.state = IB_PORT_DOWN; - port->attr.phys_state = IB_PHYS_STATE_LINK_DOWN; rxe_port_event(rxe, IB_EVENT_PORT_ERR); dev_info(&rxe->ib_dev.dev, "set down\n"); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 9c19f2027511..4eef87c103b2 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -71,6 +71,14 @@ static int rxe_query_port(struct ib_device *dev, mutex_lock(&rxe->usdev_lock); rc = ib_get_eth_speed(dev, port_num, &attr->active_speed, &attr->active_width); + + if (attr->state == IB_PORT_ACTIVE) + attr->phys_state = RDMA_LINK_PHYS_STATE_LINK_UP; + else if (dev_get_flags(rxe->ndev) & IFF_UP) + attr->phys_state = RDMA_LINK_PHYS_STATE_POLLING; + else + attr->phys_state = RDMA_LINK_PHYS_STATE_DISABLED; + mutex_unlock(&rxe->usdev_lock); out: From patchwork Thu Nov 1 13:18:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Boyer X-Patchwork-Id: 10663963 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4E8511751 for ; Thu, 1 Nov 2018 13:20:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4185C2BC07 for ; Thu, 1 Nov 2018 13:20:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3E8912BC1E; Thu, 1 Nov 2018 13:20:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 61E202B463 for ; 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Thu, 1 Nov 2018 09:19:35 -0400 Received: from hopcyc-boyera-1-00.cec.lab.emc.com (hopcyc-boyera-1-00.cec.lab.emc.com [10.244.196.91]) by mailsyshubprd53.lss.emc.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.0) with ESMTP id wA1DJCwC013224; Thu, 1 Nov 2018 09:19:34 -0400 From: Andrew Boyer To: majd@mellanox.com, yanjun.zhu@oracle.com, monis@mellanox.com, yonatanc@mellanox.com, linux-rdma@vger.kernel.org Cc: Andrew Boyer Subject: [PATCH v2 2/2] RDMA/rxe: Add link_down, rdma_sends, rdma_recvs stats counters Date: Thu, 1 Nov 2018 09:18:46 -0400 Message-Id: <20181101131846.7441-3-andrew.boyer@dell.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20181101131846.7441-1-andrew.boyer@dell.com> References: <20181030135427.19036-1-andrew.boyer@dell.com> <20181101131846.7441-1-andrew.boyer@dell.com> X-RSA-Classifications: public X-Sentrion-Hostname: mailuogwprd03.lss.emc.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-11-01_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811010118 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP link_down is self-explanatory. rdma_sends and rdma_recvs count the number of RDMA Send and RDMA Receive operations completed successfully. This is different from the existing sent_pkts and rcvd_pkts counters because the existing counters measure packets, not RDMA operations. ack_deffered is renamed to ack_deferred to fix the spelling. out_of_sequence is renamed to out_of_seq_request to make clear that it is counting only requests and not other packets which can be out of sequence. Signed-off-by: Andrew Boyer --- drivers/infiniband/sw/rxe/rxe_comp.c | 6 ++++++ drivers/infiniband/sw/rxe/rxe_hw_counters.c | 7 +++++-- drivers/infiniband/sw/rxe/rxe_hw_counters.h | 3 +++ drivers/infiniband/sw/rxe/rxe_net.c | 1 + drivers/infiniband/sw/rxe/rxe_resp.c | 3 ++- 5 files changed, 17 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index ea089cb091ad..e996da67a851 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -439,6 +439,7 @@ static void make_send_cqe(struct rxe_qp *qp, struct rxe_send_wqe *wqe, */ static void do_complete(struct rxe_qp *qp, struct rxe_send_wqe *wqe) { + struct rxe_dev *rxe = to_rdev(qp->ibqp.device); struct rxe_cqe cqe; if ((qp->sq_sig_type == IB_SIGNAL_ALL_WR) || @@ -451,6 +452,11 @@ static void do_complete(struct rxe_qp *qp, struct rxe_send_wqe *wqe) advance_consumer(qp->sq.queue); } + if (wqe->wr.opcode == IB_WR_SEND || + wqe->wr.opcode == IB_WR_SEND_WITH_IMM || + wqe->wr.opcode == IB_WR_SEND_WITH_INV) + rxe_counter_inc(rxe, RXE_CNT_RDMA_SEND); + /* * we completed something so let req run again * if it is trying to fence diff --git a/drivers/infiniband/sw/rxe/rxe_hw_counters.c b/drivers/infiniband/sw/rxe/rxe_hw_counters.c index 6aeb7a165e46..4a24895846d3 100644 --- a/drivers/infiniband/sw/rxe/rxe_hw_counters.c +++ b/drivers/infiniband/sw/rxe/rxe_hw_counters.c @@ -37,15 +37,18 @@ static const char * const rxe_counter_name[] = { [RXE_CNT_SENT_PKTS] = "sent_pkts", [RXE_CNT_RCVD_PKTS] = "rcvd_pkts", [RXE_CNT_DUP_REQ] = "duplicate_request", - [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_sequence", + [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_seq_request", [RXE_CNT_RCV_RNR] = "rcvd_rnr_err", [RXE_CNT_SND_RNR] = "send_rnr_err", [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err", - [RXE_CNT_COMPLETER_SCHED] = "ack_deffered", + [RXE_CNT_COMPLETER_SCHED] = "ack_deferred", [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err", [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err", [RXE_CNT_COMP_RETRY] = "completer_retry_err", [RXE_CNT_SEND_ERR] = "send_err", + [RXE_CNT_LINK_DOWNED] = "link_downed", + [RXE_CNT_RDMA_SEND] = "rdma_sends", + [RXE_CNT_RDMA_RECV] = "rdma_recvs", }; int rxe_ib_get_hw_stats(struct ib_device *ibdev, diff --git a/drivers/infiniband/sw/rxe/rxe_hw_counters.h b/drivers/infiniband/sw/rxe/rxe_hw_counters.h index f44df1b76742..72c0d63c79e0 100644 --- a/drivers/infiniband/sw/rxe/rxe_hw_counters.h +++ b/drivers/infiniband/sw/rxe/rxe_hw_counters.h @@ -50,6 +50,9 @@ enum rxe_counters { RXE_CNT_RNR_RETRY_EXCEEDED, RXE_CNT_COMP_RETRY, RXE_CNT_SEND_ERR, + RXE_CNT_LINK_DOWNED, + RXE_CNT_RDMA_SEND, + RXE_CNT_RDMA_RECV, RXE_NUM_OF_COUNTERS }; diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index cb028a3d8275..b26a8141f3ed 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -621,6 +621,7 @@ void rxe_port_down(struct rxe_dev *rxe) port->attr.state = IB_PORT_DOWN; rxe_port_event(rxe, IB_EVENT_PORT_ERR); + rxe_counter_inc(rxe, RXE_CNT_LINK_DOWNED); dev_info(&rxe->ib_dev.dev, "set down\n"); } diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index c962160292f4..78b88b3fa352 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -838,6 +838,7 @@ static enum resp_states do_complete(struct rxe_qp *qp, struct ib_wc *wc = &cqe.ibwc; struct ib_uverbs_wc *uwc = &cqe.uibwc; struct rxe_recv_wqe *wqe = qp->resp.wqe; + struct rxe_dev *rxe = to_rdev(qp->ibqp.device); if (unlikely(!wqe)) return RESPST_CLEANUP; @@ -850,6 +851,7 @@ static enum resp_states do_complete(struct rxe_qp *qp, /* fields after status are not required for errors */ if (wc->status == IB_WC_SUCCESS) { + rxe_counter_inc(rxe, RXE_CNT_RDMA_RECV); wc->opcode = (pkt->mask & RXE_IMMDT_MASK && pkt->mask & RXE_WRITE_MASK) ? IB_WC_RECV_RDMA_WITH_IMM : IB_WC_RECV; @@ -898,7 +900,6 @@ static enum resp_states do_complete(struct rxe_qp *qp, } if (pkt->mask & RXE_IETH_MASK) { - struct rxe_dev *rxe = to_rdev(qp->ibqp.device); struct rxe_mem *rmr; wc->wc_flags |= IB_WC_WITH_INVALIDATE;