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Thu, 14 Oct 2021 07:54:42 +0000 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Thu, 14 Oct 2021 00:54:41 -0700 Received: from vdi.nvidia.com (172.20.187.6) by mail.nvidia.com (172.20.187.15) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Thu, 14 Oct 2021 00:54:39 -0700 From: Mark Zhang To: , , CC: , , , , , Mark Zhang Subject: [PATCH iproute2-next v1 1/3] rdma: Update uapi headers Date: Thu, 14 Oct 2021 10:53:56 +0300 Message-ID: <20211014075358.239708-2-markzhang@nvidia.com> X-Mailer: git-send-email 2.8.4 In-Reply-To: <20211014075358.239708-1-markzhang@nvidia.com> References: <20211014075358.239708-1-markzhang@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8718f27d-0bfb-4949-d156-08d98ee7e1ac X-MS-TrafficTypeDiagnostic: BN6PR12MB1795: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:93; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2021 07:54:42.3395 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8718f27d-0bfb-4949-d156-08d98ee7e1ac X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.32];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT012.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1795 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Neta Ostrovsky Update rdma_netlink.h file upto kernel commit 7301d0a9834c ("RDMA/nldev: Add support to get status of all counters") Signed-off-by: Neta Ostrovsky Reviewed-by: Leon Romanovsky Signed-off-by: Mark Zhang --- rdma/include/uapi/rdma/rdma_netlink.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma/rdma_netlink.h index 37f583ee..92c528a0 100644 --- a/rdma/include/uapi/rdma/rdma_netlink.h +++ b/rdma/include/uapi/rdma/rdma_netlink.h @@ -297,6 +297,8 @@ enum rdma_nldev_command { RDMA_NLDEV_CMD_RES_SRQ_GET, /* can dump */ + RDMA_NLDEV_CMD_STAT_GET_STATUS, + RDMA_NLDEV_NUM_OPS }; @@ -549,6 +551,9 @@ enum rdma_nldev_attr { RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK, /* u8 */ + RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, /* u32 */ + RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC, /* u8 */ + /* * Always the end */ From patchwork Thu Oct 14 07:53:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Zhang X-Patchwork-Id: 12557941 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94861C43217 for ; Thu, 14 Oct 2021 07:54:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7228C61019 for ; Thu, 14 Oct 2021 07:54:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230032AbhJNH4w (ORCPT ); Thu, 14 Oct 2021 03:56:52 -0400 Received: from mail-dm6nam12on2067.outbound.protection.outlook.com ([40.107.243.67]:58335 "EHLO NAM12-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230010AbhJNH4v (ORCPT ); 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2021 07:54:45.2616 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f86ea7ec-4420-4e64-3b61-08d98ee7e36a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.35];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT033.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4528 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Neta Ostrovsky This patch introduces the "mode" command, which presents the enabled or supported (when the "supported" argument is available) optional counters. An optional counter is a vendor-specific counter that may be dynamically enabled/disabled. This enhancement of hwcounters allows exposing of counters which are for example mutual exclusive and cannot be enabled at the same time, counters that might degrades performance, optional debug counters, etc. Examples: To present currently enabled optional counters on link rocep8s0f0/1: $ rdma statistic mode link rocep8s0f0/1 link rocep8s0f0/1 optional-counters cc_rx_ce_pkts To present supported optional counters on link rocep8s0f0/1: $ rdma statistic mode supported link rocep8s0f0/1 link rocep8s0f0/1 supported optional-counters cc_rx_ce_pkts,cc_rx_cnp_pkts,cc_tx_cnp_pkts Signed-off-by: Neta Ostrovsky Reviewed-by: Leon Romanovsky Signed-off-by: Mark Zhang --- man/man8/rdma-statistic.8 | 23 ++++++ rdma/stat.c | 163 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 186 insertions(+) diff --git a/man/man8/rdma-statistic.8 b/man/man8/rdma-statistic.8 index 7160bcdf..885769bc 100644 --- a/man/man8/rdma-statistic.8 +++ b/man/man8/rdma-statistic.8 @@ -58,6 +58,13 @@ rdma-statistic \- RDMA statistic counter configuration .RI "[ " COUNTER-ID " ]" .RI "[ " OBJECT-ID " ]" +.ti -8 +.B rdma statistic +.B mode +.B "[" supported "]" +.B link +.RI "[ " DEV/PORT_INDEX " ]" + .ti -8 .IR COUNTER_SCOPE " := " .RB "{ " link " | " dev " }" @@ -100,6 +107,10 @@ When unbound the statistics of this object are no longer available in this count - specifies the id of the counter to be bound. If this argument is omitted then a new counter will be allocated. +.SS rdma statistic mode - Display the enabled optional counters for each link. + +.SS rdma statistic mode supported - Display the supported optional counters for each link. + .SH "EXAMPLES" .PP rdma statistic show @@ -186,6 +197,16 @@ rdma statistic show mr mrn 6 .RS 4 Dump a specific MR statistics with mrn 6. Dumps nothing if does not exists. .RE +.PP +rdma statistic mode link mlx5_2/1 +.RS 4 +Display the optional counters that was enabled on mlx5_2/1. +.RE +.PP +rdma statistic mode supported link mlx5_2/1 +.RS 4 +Display the optional counters that mlx5_2/1 supports. +.RE .SH SEE ALSO .BR rdma (8), @@ -198,3 +219,5 @@ Dump a specific MR statistics with mrn 6. Dumps nothing if does not exists. Mark Zhang .br Erez Alfasi +.br +Neta Ostrovsky diff --git a/rdma/stat.c b/rdma/stat.c index 8edf7bf1..7d645d8f 100644 --- a/rdma/stat.c +++ b/rdma/stat.c @@ -20,6 +20,8 @@ static int stat_help(struct rd *rd) pr_out(" %s statistic OBJECT unbind COUNTER_SCOPE [DEV/PORT_INDEX] [COUNTER-ID]\n", rd->filename); pr_out(" %s statistic show\n", rd->filename); pr_out(" %s statistic show link [ DEV/PORT_INDEX ]\n", rd->filename); + pr_out(" %s statistic mode [ supported ]\n", rd->filename); + pr_out(" %s statistic mode [ supported ] link [ DEV/PORT_INDEX ]\n", rd->filename); pr_out("where OBJECT: = { qp }\n"); pr_out(" CRITERIA : = { type }\n"); pr_out(" COUNTER_SCOPE: = { link | dev }\n"); @@ -37,6 +39,10 @@ static int stat_help(struct rd *rd) pr_out(" %s statistic qp unbind link mlx5_2/1 cntn 4 lqpn 178\n", rd->filename); pr_out(" %s statistic show\n", rd->filename); pr_out(" %s statistic show link mlx5_2/1\n", rd->filename); + pr_out(" %s statistic mode\n", rd->filename); + pr_out(" %s statistic mode link mlx5_2/1\n", rd->filename); + pr_out(" %s statistic mode supported\n", rd->filename); + pr_out(" %s statistic mode supported link mlx5_2/1\n", rd->filename); return 0; } @@ -715,6 +721,162 @@ static int stat_qp(struct rd *rd) return rd_exec_cmd(rd, cmds, "parameter"); } +static int do_stat_mode_parse_cb(const struct nlmsghdr *nlh, void *data, + bool supported) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + struct nlattr *nla_entry; + const char *dev, *name; + struct rd *rd = data; + int enabled, err = 0; + bool isfirst = true; + uint32_t port; + + mnl_attr_parse(nlh, 0, rd_attr_cb, tb); + if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || + !tb[RDMA_NLDEV_ATTR_PORT_INDEX] || + !tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) + return MNL_CB_ERROR; + + dev = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); + port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); + + mnl_attr_for_each_nested(nla_entry, + tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) { + struct nlattr *cnt[RDMA_NLDEV_ATTR_MAX] = {}; + + err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, cnt); + if ((err != MNL_CB_OK) || + (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME])) + return -EINVAL; + + if (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC]) + continue; + + enabled = mnl_attr_get_u8(cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC]); + name = mnl_attr_get_str(cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]); + if (supported || enabled) { + if (isfirst) { + open_json_object(NULL); + print_color_string(PRINT_ANY, COLOR_NONE, + "ifname", "link %s/", dev); + print_color_uint(PRINT_ANY, COLOR_NONE, "port", + "%u ", port); + if (supported) + open_json_array(PRINT_ANY, + "supported optional-counters"); + else + open_json_array(PRINT_ANY, + "optional-counters"); + print_color_string(PRINT_FP, COLOR_NONE, NULL, + " ", NULL); + isfirst = false; + } else { + print_color_string(PRINT_FP, COLOR_NONE, NULL, + ",", NULL); + } + if (rd->pretty_output && !rd->json_output) + newline_indent(rd); + + print_color_string(PRINT_ANY, COLOR_NONE, NULL, "%s", + name); + } + } + + if (!isfirst) { + close_json_array(PRINT_JSON, NULL); + newline(rd); + } + + return 0; +} + +static int stat_mode_parse_cb(const struct nlmsghdr *nlh, void *data) +{ + return do_stat_mode_parse_cb(nlh, data, false); +} + +static int stat_mode_parse_cb_supported(const struct nlmsghdr *nlh, void *data) +{ + return do_stat_mode_parse_cb(nlh, data, true); +} + +static int stat_one_link_get_status_req(struct rd *rd, uint32_t *seq) +{ + int flags = NLM_F_REQUEST | NLM_F_ACK; + + rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_GET_STATUS, seq, flags); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); + + return rd_send_msg(rd); +} + +static int stat_one_link_get_mode(struct rd *rd) +{ + uint32_t seq; + int err; + + if (!rd->port_idx) + return 0; + + err = stat_one_link_get_status_req(rd, &seq); + if (err) + return err; + + return rd_recv_msg(rd, stat_mode_parse_cb, rd, seq); +} + +static int stat_one_link_get_mode_supported(struct rd *rd) +{ + uint32_t seq; + int err; + + if (!rd->port_idx) + return 0; + + err = stat_one_link_get_status_req(rd, &seq); + if (err) + return err; + + return rd_recv_msg(rd, stat_mode_parse_cb_supported, rd, seq); +} + +static int stat_link_get_mode(struct rd *rd) +{ + return rd_exec_link(rd, stat_one_link_get_mode, false); +} + +static int stat_link_get_mode_supported(struct rd *rd) +{ + return rd_exec_link(rd, stat_one_link_get_mode_supported, false); +} + +static int stat_mode_supported(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, stat_link_get_mode_supported }, + { "link", stat_link_get_mode_supported }, + { "help", stat_help }, + { 0 }, + }; + return rd_exec_cmd(rd, cmds, "parameter"); +} + +static int stat_mode(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, stat_link_get_mode }, + { "link", stat_link_get_mode }, + { "show", stat_link_get_mode }, + { "supported", stat_mode_supported }, + { "help", stat_help }, + { 0 }, + }; + + return rd_exec_cmd(rd, cmds, "parameter"); +} + static int stat_show_parse_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; @@ -786,6 +948,7 @@ int cmd_stat(struct rd *rd) { "help", stat_help }, { "qp", stat_qp }, { "mr", stat_mr }, + { "mode", stat_mode }, { 0 } }; From patchwork Thu Oct 14 07:53:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Zhang X-Patchwork-Id: 12557943 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF51BC433EF for ; Thu, 14 Oct 2021 07:54:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9514610E8 for ; Thu, 14 Oct 2021 07:54:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230035AbhJNH44 (ORCPT ); Thu, 14 Oct 2021 03:56:56 -0400 Received: from mail-mw2nam10on2072.outbound.protection.outlook.com ([40.107.94.72]:9825 "EHLO NAM10-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230010AbhJNH4x (ORCPT ); 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2021 07:54:47.5873 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0ef44f52-95bb-4605-a011-08d98ee7e4d0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.34];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT035.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB4660 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Neta Ostrovsky This patch provides an extension to the rdma statistics tool that allows to set/unset optional counters set dynamically, using new netlink commands. Note that the optional counter statistic implementation is driver-specific and may impact the performance. Examples: To enable a set of optional counters on link rocep8s0f0/1: $ sudo rdma statistic set link rocep8s0f0/1 optional-counters cc_rx_ce_pkts,cc_rx_cnp_pkts To disable all optional counters on link rocep8s0f0/1: $ sudo rdma statistic unset link rocep8s0f0/1 optional-counters Signed-off-by: Neta Ostrovsky Reviewed-by: Leon Romanovsky Signed-off-by: Mark Zhang --- man/man8/rdma-statistic.8 | 32 +++++++ rdma/stat.c | 178 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 210 insertions(+) diff --git a/man/man8/rdma-statistic.8 b/man/man8/rdma-statistic.8 index 885769bc..7dd2b02c 100644 --- a/man/man8/rdma-statistic.8 +++ b/man/man8/rdma-statistic.8 @@ -65,6 +65,21 @@ rdma-statistic \- RDMA statistic counter configuration .B link .RI "[ " DEV/PORT_INDEX " ]" +.ti -8 +.B rdma statistic +.B set +.B link +.RI "[ " DEV/PORT_INDEX " ]" +.B optional-counters +.RI "[ " OPTIONAL-COUNTERS " ]" + +.ti -8 +.B rdma statistic +.B unset +.B link +.RI "[ " DEV/PORT_INDEX " ]" +.B optional-counters + .ti -8 .IR COUNTER_SCOPE " := " .RB "{ " link " | " dev " }" @@ -111,6 +126,13 @@ If this argument is omitted then a new counter will be allocated. .SS rdma statistic mode supported - Display the supported optional counters for each link. +.SS rdma statistic set - Enable a set of optional counters for a specific device/port. + +.I "OPTIONAL-COUNTERS" +- specifies the name of the optional counters to enable. Optional counters that are not specified will be disabled. Note that optional counters are driver-specific. + +.SS rdma statistic unset - Disable all optional counters for a specific device/port. + .SH "EXAMPLES" .PP rdma statistic show @@ -207,6 +229,16 @@ rdma statistic mode supported link mlx5_2/1 .RS 4 Display the optional counters that mlx5_2/1 supports. .RE +.PP +rdma statistic set link mlx5_2/1 optional-counters cc_rx_ce_pkts,cc_rx_cnp_pkts +.RS 4 +Enable the cc_rx_ce_pkts,cc_rx_cnp_pkts counters on device mlx5_2 port 1. +.RE +.PP +rdma statistic unset link mlx5_2/1 optional-counters +.RS 4 +Disable all the optional counters on device mlx5_2 port 1. +.RE .SH SEE ALSO .BR rdma (8), diff --git a/rdma/stat.c b/rdma/stat.c index 7d645d8f..adfcd34a 100644 --- a/rdma/stat.c +++ b/rdma/stat.c @@ -22,6 +22,8 @@ static int stat_help(struct rd *rd) pr_out(" %s statistic show link [ DEV/PORT_INDEX ]\n", rd->filename); pr_out(" %s statistic mode [ supported ]\n", rd->filename); pr_out(" %s statistic mode [ supported ] link [ DEV/PORT_INDEX ]\n", rd->filename); + pr_out(" %s statistic set link [ DEV/PORT_INDEX ] optional-counters [ OPTIONAL-COUNTERS ]\n", rd->filename); + pr_out(" %s statistic unset link [ DEV/PORT_INDEX ] optional-counters\n", rd->filename); pr_out("where OBJECT: = { qp }\n"); pr_out(" CRITERIA : = { type }\n"); pr_out(" COUNTER_SCOPE: = { link | dev }\n"); @@ -43,6 +45,8 @@ static int stat_help(struct rd *rd) pr_out(" %s statistic mode link mlx5_2/1\n", rd->filename); pr_out(" %s statistic mode supported\n", rd->filename); pr_out(" %s statistic mode supported link mlx5_2/1\n", rd->filename); + pr_out(" %s statistic set link mlx5_2/1 optional-counters cc_rx_ce_pkts,cc_rx_cnp_pkts\n", rd->filename); + pr_out(" %s statistic unset link mlx5_2/1 optional-counters\n", rd->filename); return 0; } @@ -499,6 +503,30 @@ static int stat_qp_set(struct rd *rd) return rd_exec_cmd(rd, cmds, "parameter"); } +static int stat_get_arg_str(struct rd *rd, const char *arg, char **value, bool allow_empty) +{ + int len = 0; + + if (strcmpx(rd_argv(rd), arg) != 0) { + pr_err("Unknown parameter '%s'.\n", rd_argv(rd)); + return -EINVAL; + } + + rd_arg_inc(rd); + if (!rd_no_arg(rd)) { + *value = strdup(rd_argv(rd)); + len = strlen(*value); + rd_arg_inc(rd); + } + + if ((allow_empty && len) || (!allow_empty && !len)) { + stat_help(rd); + return -EINVAL; + } + + return 0; +} + static int stat_get_arg(struct rd *rd, const char *arg) { int value = 0; @@ -877,6 +905,154 @@ static int stat_mode(struct rd *rd) return rd_exec_cmd(rd, cmds, "parameter"); } +static int stat_one_set_link_opcounters(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + struct nlattr *nla_entry, *tb_set; + int ret, flags = NLM_F_REQUEST | NLM_F_ACK; + char *opcnt, *opcnts; + struct rd *rd = data; + uint32_t seq; + bool found; + + mnl_attr_parse(nlh, 0, rd_attr_cb, tb); + if (!tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) + return MNL_CB_ERROR; + + if (rd_no_arg(rd)) { + stat_help(rd); + return -EINVAL; + } + + ret = stat_get_arg_str(rd, "optional-counters", &opcnts, false); + if (ret) + return ret; + + rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET, &seq, flags); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, + rd->dev_idx); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, + rd->port_idx); + + tb_set = mnl_attr_nest_start(rd->nlh, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); + + opcnt = strtok(opcnts, ","); + while (opcnt) { + found = false; + mnl_attr_for_each_nested(nla_entry, + tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) { + struct nlattr *cnt[RDMA_NLDEV_ATTR_MAX] = {}, *nm, *id; + + if (mnl_attr_parse_nested(nla_entry, rd_attr_cb, + cnt) != MNL_CB_OK) + return -EINVAL; + + nm = cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME]; + id = cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX]; + if (!nm || ! id) + return -EINVAL; + + if (!cnt[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC]) + continue; + + if (strcmp(opcnt, mnl_attr_get_str(nm)) == 0) { + mnl_attr_put_u32(rd->nlh, + RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, + mnl_attr_get_u32(id)); + found = true; + } + } + + if (!found) + return -EINVAL; + + opcnt = strtok(NULL, ","); + } + mnl_attr_nest_end(rd->nlh, tb_set); + + return rd_sendrecv_msg(rd, seq); +} + +static int stat_one_set_link(struct rd *rd) +{ + uint32_t seq; + int err; + + if (!rd->port_idx) + return 0; + + err = stat_one_link_get_status_req(rd, &seq); + if (err) + return err; + + return rd_recv_msg(rd, stat_one_set_link_opcounters, rd, seq); +} + +static int stat_set_link(struct rd *rd) +{ + return rd_exec_link(rd, stat_one_set_link, true); +} + +static int stat_set(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, stat_help }, + { "link", stat_set_link }, + { "help", stat_help }, + { 0 }, + }; + return rd_exec_cmd(rd, cmds, "parameter"); +} + +static int stat_one_unset_link_opcounters(struct rd *rd) +{ + int ret, flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlattr *tbl; + uint32_t seq; + char *opcnts; + + if (rd_no_arg(rd)) { + stat_help(rd); + return -EINVAL; + } + + ret = stat_get_arg_str(rd, "optional-counters", &opcnts, true); + if (ret) + return ret; + + rd_prepare_msg(rd, RDMA_NLDEV_CMD_STAT_SET, &seq, flags); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, + rd->dev_idx); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, + rd->port_idx); + + tbl = mnl_attr_nest_start(rd->nlh, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); + mnl_attr_nest_end(rd->nlh, tbl); + + return rd_sendrecv_msg(rd, seq); +} + +static int stat_one_unset_link(struct rd *rd) +{ + return stat_one_unset_link_opcounters(rd); +} + +static int stat_unset_link(struct rd *rd) +{ + return rd_exec_link(rd, stat_one_unset_link, true); +} + +static int stat_unset(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, stat_help }, + { "link", stat_unset_link }, + { "help", stat_help }, + { 0 }, + }; + return rd_exec_cmd(rd, cmds, "parameter"); +} + static int stat_show_parse_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; @@ -949,6 +1125,8 @@ int cmd_stat(struct rd *rd) { "qp", stat_qp }, { "mr", stat_mr }, { "mode", stat_mode }, + { "set", stat_set }, + { "unset", stat_unset }, { 0 } };