From patchwork Mon Feb 1 21:35:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 374495 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3149C433E9 for ; Mon, 1 Feb 2021 21:37:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D96D64ED3 for ; Mon, 1 Feb 2021 21:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232365AbhBAVg6 (ORCPT ); Mon, 1 Feb 2021 16:36:58 -0500 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:4885 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232109AbhBAVgx (ORCPT ); Mon, 1 Feb 2021 16:36:53 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Mon, 01 Feb 2021 13:36:12 -0800 Received: from sw-mtx-036.mtx.labs.mlnx (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 1 Feb 2021 21:36:12 +0000 From: Parav Pandit To: , , CC: Parav Pandit , Jiri Pirko Subject: [PATCH iproute2-next v2 4/6] devlink: Supporting add and delete of devlink port Date: Mon, 1 Feb 2021 23:35:49 +0200 Message-ID: <20210201213551.8503-5-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210201213551.8503-1-parav@nvidia.com> References: <20210129165608.134965-1-parav@nvidia.com> <20210201213551.8503-1-parav@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1612215372; bh=7g9V5bpCBjM3CGPMDLlsBYukrdkFM7IjdeR/H7j4zMs=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy; b=R77Kvqevm268v3AOU1+FzvwqXBBCt812f1L3dbTym94Qvpxbnj5mqEeE4twcHJAq5 jsyhFHATUwxxJGmQRyJfYQqgzjSkqJUcCKjK5aiKmfwdnmqhhH4mVeAVpITAR/KLmD N08RPMl/zMTuEdwYoYsLoAqnbvCr3uPdrVBWjvkQl8uLzePOnctDjqE/mHYJ7TiJsL gypn+Yhr7HShll8iO9ef20cdh8Y1Cqn3yCzZu551tdmPxNcDcAU5owHA6ymiYPA5nr w7T9l5klsvu019qgqFvI+jp0wEd2e4N9kGxOyaXveU6uA7YMQnAyJNKOMahfHG+EGE 0zhkJS3ZbJBGw== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Enable user to add and delete the devlink port. Examples for adding and deleting one SF port: Examples of add, show and delete commands: $ devlink dev eswitch set pci/0000:06:00.0 mode switchdev $ devlink port show pci/0000:06:00.0/65535: type eth netdev ens2f0np0 flavour physical port 0 splittable false Add devlink port of flavour 'pcipf' for PF number 0 SF number 88: $ devlink port add pci/0000:06:00.0 flavour pcisf pfnum 0 sfnum 88 pci/0000:06:00.0/32768: type eth netdev eth6 flavour pcisf controller 0 pfnum 0 sfnum 88 splittable false function: hw_addr 00:00:00:00:00:00 state inactive opstate detached Delete newly added devlink port $ devlink port del pci/0000:06:00.0/32768 Signed-off-by: Parav Pandit Reviewed-by: Jiri Pirko --- changelog: v1->v2: - addressed David's comment to use struct for string->num mapping using helper library routine --- devlink/devlink.c | 108 ++++++++++++++++++++++++++++++++++++++++ man/man8/devlink-port.8 | 63 +++++++++++++++++++++++ 2 files changed, 171 insertions(+) diff --git a/devlink/devlink.c b/devlink/devlink.c index 338cb035..76ea7cac 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -306,6 +306,9 @@ static void ifname_map_free(struct ifname_map *ifname_map) #define DL_OPT_FLASH_OVERWRITE BIT(39) #define DL_OPT_RELOAD_ACTION BIT(40) #define DL_OPT_RELOAD_LIMIT BIT(41) +#define DL_OPT_PORT_FLAVOUR BIT(42) +#define DL_OPT_PORT_PFNUMBER BIT(43) +#define DL_OPT_PORT_SFNUMBER BIT(44) struct dl_opts { uint64_t present; /* flags of present items */ @@ -356,6 +359,9 @@ struct dl_opts { uint32_t overwrite_mask; enum devlink_reload_action reload_action; enum devlink_reload_limit reload_limit; + uint32_t port_sfnumber; + uint16_t port_flavour; + uint16_t port_pfnumber; }; struct dl { @@ -1394,6 +1400,17 @@ static struct str_num_map port_flavour_map[] = { { .str = NULL, }, }; +static int port_flavour_parse(const char *flavour, uint16_t *value) +{ + int num; + + num = str_map_lookup_str(port_flavour_map, flavour); + if (num < 0) + return num; + *value = num; + return 0; +} + struct dl_args_metadata { uint64_t o_flag; char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; @@ -1425,6 +1442,8 @@ static const struct dl_args_metadata dl_args_required[] = { {DL_OPT_TRAP_NAME, "Trap's name is expected."}, {DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."}, {DL_OPT_PORT_FUNCTION_HW_ADDR, "Port function's hardware address is expected."}, + {DL_OPT_PORT_FLAVOUR, "Port flavour is expected."}, + {DL_OPT_PORT_PFNUMBER, "Port PCI PF number is expected."}, }; static int dl_args_finding_required_validate(uint64_t o_required, @@ -1843,7 +1862,29 @@ static int dl_argv_parse(struct dl *dl, uint64_t o_required, if (err) return err; o_found |= DL_OPT_PORT_FUNCTION_HW_ADDR; + } else if (dl_argv_match(dl, "flavour") && (o_all & DL_OPT_PORT_FLAVOUR)) { + const char *flavourstr; + dl_arg_inc(dl); + err = dl_argv_str(dl, &flavourstr); + if (err) + return err; + err = port_flavour_parse(flavourstr, &opts->port_flavour); + if (err) + return err; + o_found |= DL_OPT_PORT_FLAVOUR; + } else if (dl_argv_match(dl, "pfnum") && (o_all & DL_OPT_PORT_PFNUMBER)) { + dl_arg_inc(dl); + err = dl_argv_uint16_t(dl, &opts->port_pfnumber); + if (err) + return err; + o_found |= DL_OPT_PORT_PFNUMBER; + } else if (dl_argv_match(dl, "sfnum") && (o_all & DL_OPT_PORT_SFNUMBER)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->port_sfnumber); + if (err) + return err; + o_found |= DL_OPT_PORT_SFNUMBER; } else { pr_err("Unknown option \"%s\"\n", dl_argv(dl)); return -EINVAL; @@ -2026,6 +2067,12 @@ static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl) opts->trap_policer_burst); if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR) dl_function_attr_put(nlh, opts); + if (opts->present & DL_OPT_PORT_FLAVOUR) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_FLAVOUR, opts->port_flavour); + if (opts->present & DL_OPT_PORT_PFNUMBER) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, opts->port_pfnumber); + if (opts->present & DL_OPT_PORT_SFNUMBER) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_PCI_SF_NUMBER, opts->port_sfnumber); } static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl, @@ -3713,6 +3760,8 @@ static void cmd_port_help(void) pr_err(" devlink port unsplit DEV/PORT_INDEX\n"); pr_err(" devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ]\n"); pr_err(" devlink port health show [ DEV/PORT_INDEX reporter REPORTER_NAME ]\n"); + pr_err(" devlink port add DEV/PORT_INDEX flavour FLAVOUR pfnum PFNUM [ sfnum SFNUM ]\n"); + pr_err(" devlink port del DEV/PORT_INDEX\n"); } static const char *port_type_name(uint32_t type) @@ -3974,6 +4023,58 @@ static int cmd_port_function(struct dl *dl) static int cmd_health(struct dl *dl); static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port); +static void cmd_port_add_help(void) +{ + pr_err(" devlink port add { DEV | DEV/PORT_INDEX } flavour FLAVOUR pfnum PFNUM [ sfnum SFNUM ]\n"); +} + +static int cmd_port_add(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_port_add_help(); + return 0; + } + + nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_NEW, + NLM_F_REQUEST | NLM_F_ACK); + + err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | + DL_OPT_PORT_FLAVOUR | DL_OPT_PORT_PFNUMBER, + DL_OPT_PORT_SFNUMBER); + if (err) + return err; + + return _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl); +} + +static void cmd_port_del_help(void) +{ + pr_err(" devlink port del DEV/PORT_INDEX\n"); +} + +static int cmd_port_del(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_port_del_help(); + return 0; + } + + nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_DEL, + NLM_F_REQUEST | NLM_F_ACK); + + err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0); + if (err) + return err; + + return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); +} + static int cmd_port(struct dl *dl) { if (dl_argv_match(dl, "help")) { @@ -4004,7 +4105,14 @@ static int cmd_port(struct dl *dl) } else { return cmd_health(dl); } + } else if (dl_argv_match(dl, "add")) { + dl_arg_inc(dl); + return cmd_port_add(dl); + } else if (dl_argv_match(dl, "del")) { + dl_arg_inc(dl); + return cmd_port_del(dl); } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); return -ENOENT; } diff --git a/man/man8/devlink-port.8 b/man/man8/devlink-port.8 index 966faae6..4a1d3800 100644 --- a/man/man8/devlink-port.8 +++ b/man/man8/devlink-port.8 @@ -43,6 +43,23 @@ devlink-port \- devlink port configuration .B devlink port health .RI "{ " show " | " recover " | " diagnose " | " dump " | " set " }" +.ti -8 +.BI "devlink port add" +.RB "[" +.IR "DEV | DEV/PORT_INDEX" +.RB "] " +.RB "[ " flavour +.IR FLAVOUR " ]" +.RB "[ " pcipf +.IR PFNUMBER " ]" +.RB "{ " pcisf +.IR SFNUMBER " }" +.br + +.ti -8 +.B devlink port del +.IR DEV/PORT_INDEX + .ti -8 .B devlink port help @@ -99,6 +116,42 @@ If this argument is omitted all ports are listed. Is an alias for .BR devlink-health (8). +.ti -8 +.SS devlink port add - add a devlink port +.PP +.B "DEV" +- specifies the devlink device to operate on. or + +.PP +.B "DEV/PORT_INDEX" +- specifies the devlink port index to use for the requested new port. +This is optional. When ommited, driver allocates unique port index. + +.TP +.BR flavour " { " pcipf " | " pcisf " } " +set port flavour + +.I pcipf +- PCI PF port + +.I pcisf +- PCI SF port + +.TP +.BR pfnum " { " pfnumber " } " +Specifies PCI pfnumber to use on which a SF device to create + +.TP +.BR sfnum " { " sfnumber " } " +Specifies sfnumber to assign to the device of the SF. +This field is optional for those devices which supports auto assignment of the SF number. + +.ti -8 +.SS devlink port del - delete a devlink port +.PP +.B "DEV/PORT_INDEX" +- specifies the devlink port to delete. + .SH "EXAMPLES" .PP devlink port show @@ -135,6 +188,16 @@ devlink port health show pci/0000:01:00.0/1 reporter tx .RS 4 Shows status and configuration of tx reporter registered on pci/0000:01:00.0/1 devlink port. .RE +.PP +devlink port add pci/0000:06:00.0 flavour pcisf pfnum 0 sfnum 88 +.RS 4 +Add a devlink port of flavour PCI SF on PCI PF having number 0 with SF number 88. +.RE +.PP +devlink port del pci/0000:06:00.0/1 +.RS 4 +Delete previously created devlink port. +.RE .SH SEE ALSO .BR devlink (8),