From: Basel Nassar Date: Sun, 6 Jul 2025 07:07:40 +0000 (+0000) Subject: RDMA/efa: Add Network HW statistics counters X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=475ac071bade37644538fd7c4765aede7dbfba34;p=thirdparty%2Flinux.git RDMA/efa: Add Network HW statistics counters Update device API and request network counters. Expose newly added counters through ib core counters mechanism. Reviewed-by: David Shoolman Reviewed-by: Yonatan Nachum Signed-off-by: Basel Nassar Signed-off-by: Michael Margolin Link: https://patch.msgid.link/20250706070740.22534-1-mrgolin@amazon.com Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index fe0b6aec78397..57178dad5eb7b 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_ADMIN_CMDS_H_ @@ -68,6 +68,7 @@ enum efa_admin_get_stats_type { EFA_ADMIN_GET_STATS_TYPE_MESSAGES = 1, EFA_ADMIN_GET_STATS_TYPE_RDMA_READ = 2, EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE = 3, + EFA_ADMIN_GET_STATS_TYPE_NETWORK = 4, }; enum efa_admin_get_stats_scope { @@ -651,6 +652,18 @@ struct efa_admin_rdma_write_stats { u64 write_recv_bytes; }; +struct efa_admin_network_stats { + u64 retrans_bytes; + + u64 retrans_pkts; + + u64 retrans_timeout_events; + + u64 unresponsive_remote_events; + + u64 impaired_remote_conn_events; +}; + struct efa_admin_acq_get_stats_resp { struct efa_admin_acq_common_desc acq_common_desc; @@ -662,6 +675,8 @@ struct efa_admin_acq_get_stats_resp { struct efa_admin_rdma_read_stats rdma_read_stats; struct efa_admin_rdma_write_stats rdma_write_stats; + + struct efa_admin_network_stats network_stats; } u; }; diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index c6b89c45fdc9d..9ead02800ac7c 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause /* - * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All rights reserved. */ #include "efa_com.h" @@ -769,6 +769,11 @@ int efa_com_get_stats(struct efa_com_dev *edev, struct efa_com_admin_queue *aq = &edev->aq; struct efa_admin_aq_get_stats_cmd cmd = {}; struct efa_admin_acq_get_stats_resp resp; + struct efa_admin_rdma_write_stats *rws; + struct efa_admin_rdma_read_stats *rrs; + struct efa_admin_messages_stats *ms; + struct efa_admin_network_stats *ns; + struct efa_admin_basic_stats *bs; int err; cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; @@ -791,29 +796,41 @@ int efa_com_get_stats(struct efa_com_dev *edev, switch (cmd.type) { case EFA_ADMIN_GET_STATS_TYPE_BASIC: - result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes; - result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts; - result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes; - result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts; - result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops; + bs = &resp.u.basic_stats; + result->basic_stats.tx_bytes = bs->tx_bytes; + result->basic_stats.tx_pkts = bs->tx_pkts; + result->basic_stats.rx_bytes = bs->rx_bytes; + result->basic_stats.rx_pkts = bs->rx_pkts; + result->basic_stats.rx_drops = bs->rx_drops; break; case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: - result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes; - result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs; - result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes; - result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs; + ms = &resp.u.messages_stats; + result->messages_stats.send_bytes = ms->send_bytes; + result->messages_stats.send_wrs = ms->send_wrs; + result->messages_stats.recv_bytes = ms->recv_bytes; + result->messages_stats.recv_wrs = ms->recv_wrs; break; case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: - result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs; - result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes; - result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err; - result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes; + rrs = &resp.u.rdma_read_stats; + result->rdma_read_stats.read_wrs = rrs->read_wrs; + result->rdma_read_stats.read_bytes = rrs->read_bytes; + result->rdma_read_stats.read_wr_err = rrs->read_wr_err; + result->rdma_read_stats.read_resp_bytes = rrs->read_resp_bytes; break; case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE: - result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs; - result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes; - result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err; - result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes; + rws = &resp.u.rdma_write_stats; + result->rdma_write_stats.write_wrs = rws->write_wrs; + result->rdma_write_stats.write_bytes = rws->write_bytes; + result->rdma_write_stats.write_wr_err = rws->write_wr_err; + result->rdma_write_stats.write_recv_bytes = rws->write_recv_bytes; + break; + case EFA_ADMIN_GET_STATS_TYPE_NETWORK: + ns = &resp.u.network_stats; + result->network_stats.retrans_bytes = ns->retrans_bytes; + result->network_stats.retrans_pkts = ns->retrans_pkts; + result->network_stats.retrans_timeout_events = ns->retrans_timeout_events; + result->network_stats.unresponsive_remote_events = ns->unresponsive_remote_events; + result->network_stats.impaired_remote_conn_events = ns->impaired_remote_conn_events; break; } diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h index 5511355b700d4..3ac2686abba1f 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.h +++ b/drivers/infiniband/hw/efa/efa_com_cmd.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_COM_CMD_H_ @@ -283,11 +283,20 @@ struct efa_com_rdma_write_stats { u64 write_recv_bytes; }; +struct efa_com_network_stats { + u64 retrans_bytes; + u64 retrans_pkts; + u64 retrans_timeout_events; + u64 unresponsive_remote_events; + u64 impaired_remote_conn_events; +}; + union efa_com_get_stats_result { struct efa_com_basic_stats basic_stats; struct efa_com_messages_stats messages_stats; struct efa_com_rdma_read_stats rdma_read_stats; struct efa_com_rdma_write_stats rdma_write_stats; + struct efa_com_network_stats network_stats; }; int efa_com_create_qp(struct efa_com_dev *edev, diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index a8645a40730f3..7c708029b4b44 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -64,6 +64,11 @@ struct efa_user_mmap_entry { op(EFA_RDMA_WRITE_BYTES, "rdma_write_bytes") \ op(EFA_RDMA_WRITE_WR_ERR, "rdma_write_wr_err") \ op(EFA_RDMA_WRITE_RECV_BYTES, "rdma_write_recv_bytes") \ + op(EFA_RETRANS_BYTES, "retrans_bytes") \ + op(EFA_RETRANS_PKTS, "retrans_pkts") \ + op(EFA_RETRANS_TIMEOUT_EVENS, "retrans_timeout_events") \ + op(EFA_UNRESPONSIVE_REMOTE_EVENTS, "unresponsive_remote_events") \ + op(EFA_IMPAIRED_REMOTE_CONN_EVENTS, "impaired_remote_conn_events") \ #define EFA_STATS_ENUM(ename, name) ename, #define EFA_STATS_STR(ename, nam) \ @@ -2186,6 +2191,7 @@ static int efa_fill_port_stats(struct efa_dev *dev, struct rdma_hw_stats *stats, struct efa_com_rdma_write_stats *rws; struct efa_com_rdma_read_stats *rrs; struct efa_com_messages_stats *ms; + struct efa_com_network_stats *ns; struct efa_com_basic_stats *bs; int err; @@ -2238,6 +2244,18 @@ static int efa_fill_port_stats(struct efa_dev *dev, struct rdma_hw_stats *stats, stats->value[EFA_RDMA_WRITE_RECV_BYTES] = rws->write_recv_bytes; } + params.type = EFA_ADMIN_GET_STATS_TYPE_NETWORK; + err = efa_com_get_stats(&dev->edev, ¶ms, &result); + if (err) + return err; + + ns = &result.network_stats; + stats->value[EFA_RETRANS_BYTES] = ns->retrans_bytes; + stats->value[EFA_RETRANS_PKTS] = ns->retrans_pkts; + stats->value[EFA_RETRANS_TIMEOUT_EVENS] = ns->retrans_timeout_events; + stats->value[EFA_UNRESPONSIVE_REMOTE_EVENTS] = ns->unresponsive_remote_events; + stats->value[EFA_IMPAIRED_REMOTE_CONN_EVENTS] = ns->impaired_remote_conn_events; + return ARRAY_SIZE(efa_port_stats_descs); }