From patchwork Mon Feb 1 21:35:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 374497 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 6FF05C433E6 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 38D1C64ED0 for ; Mon, 1 Feb 2021 21:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232215AbhBAVgz (ORCPT ); Mon, 1 Feb 2021 16:36:55 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:16082 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229692AbhBAVgv (ORCPT ); Mon, 1 Feb 2021 16:36:51 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Mon, 01 Feb 2021 13:36:10 -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 21:36:10 +0000 From: Parav Pandit To: , , CC: Parav Pandit Subject: [PATCH iproute2-next v2 1/6] devlink: Update kernel headers Date: Mon, 1 Feb 2021 23:35:46 +0200 Message-ID: <20210201213551.8503-2-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=1612215371; bh=AuH/Q3/waYP71Nw3G+7Q6GvDcq9qnn2Kg8lLFXk/Q8I=; 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=f+8IHUbGcB0B6B02Uaj1KveiA2jj1X+N41UmL99/8ABLct4SAE/NEGPOfRJNHk/Bz ZJ7/QmaLczzppuiNQh+b+u9efCDmf3Vpbwlx/Z4dH+ORSuAYm4wJ85+HBOrfaKhO0y HjzxS8B3PwxiCYX7gDTPXNd0/BxvuyRhNlsIiALm0aUa3PipI6IARp5tIB8U0ESyIl 2EZ8X8ftJPuxRitC65PrDPhgzKZkfPHXbkOXCS5A8JXDwlAHyxRFY/0kNnnWe2JRbD m5sMO34jJoPrLOEKXc/fgF1QefH7gZzpZ4ySgQGwdzsUY7ljEpSfSmbT2XpUnRAYyJ SJPIQq0OLcdvw== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Update kernel headers to commit a556dded9c23 ("devlink: Support get and set state of port function") Signed-off-by: Parav Pandit --- include/uapi/linux/devlink.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index 958ef7b9..a430775d 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -200,6 +200,10 @@ enum devlink_port_flavour { DEVLINK_PORT_FLAVOUR_UNUSED, /* Port which exists in the switch, but * is not used in any way. */ + DEVLINK_PORT_FLAVOUR_PCI_SF, /* Represents eswitch port + * for the PCI SF. It is an internal + * port that faces the PCI SF. + */ }; enum devlink_param_cmode { @@ -529,6 +533,7 @@ enum devlink_attr { DEVLINK_ATTR_RELOAD_ACTION_INFO, /* nested */ DEVLINK_ATTR_RELOAD_ACTION_STATS, /* nested */ + DEVLINK_ATTR_PORT_PCI_SF_NUMBER, /* u32 */ /* add new attributes above here, update the policy in devlink.c */ __DEVLINK_ATTR_MAX, @@ -578,9 +583,29 @@ enum devlink_resource_unit { enum devlink_port_function_attr { DEVLINK_PORT_FUNCTION_ATTR_UNSPEC, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, /* binary */ + DEVLINK_PORT_FN_ATTR_STATE, /* u8 */ + DEVLINK_PORT_FN_ATTR_OPSTATE, /* u8 */ __DEVLINK_PORT_FUNCTION_ATTR_MAX, DEVLINK_PORT_FUNCTION_ATTR_MAX = __DEVLINK_PORT_FUNCTION_ATTR_MAX - 1 }; +enum devlink_port_fn_state { + DEVLINK_PORT_FN_STATE_INACTIVE, + DEVLINK_PORT_FN_STATE_ACTIVE, +}; + +/** + * enum devlink_port_fn_opstate - indicates operational state of the function + * @DEVLINK_PORT_FN_OPSTATE_ATTACHED: Driver is attached to the function. + * For graceful tear down of the function, after inactivation of the + * function, user should wait for operational state to turn DETACHED. + * @DEVLINK_PORT_FN_OPSTATE_DETACHED: Driver is detached from the function. + * It is safe to delete the port. + */ +enum devlink_port_fn_opstate { + DEVLINK_PORT_FN_OPSTATE_DETACHED, + DEVLINK_PORT_FN_OPSTATE_ATTACHED, +}; + #endif /* _LINUX_DEVLINK_H_ */ 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), From patchwork Mon Feb 1 21:35:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 374494 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 251B5C433DB for ; Mon, 1 Feb 2021 21:37:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC83A64ED2 for ; Mon, 1 Feb 2021 21:37:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232426AbhBAVhd (ORCPT ); Mon, 1 Feb 2021 16:37:33 -0500 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:4943 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbhBAVha (ORCPT ); Mon, 1 Feb 2021 16:37:30 -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 13:36:13 -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 5/6] devlink: Support get port function state Date: Mon, 1 Feb 2021 23:35:50 +0200 Message-ID: <20210201213551.8503-6-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=1612215373; bh=rfGEe/B2bfz6vwN4e4d5pvxWPaOieLUuJW8rMZKP0ps=; 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=OQG3lA3ovrqJD0Sd/4pTTplgQamvdOWjmK0Gh5g0F5W98jMssQWDF5Mo3gipr4EZC Y1ia+I2fcs9bTOZgnFAd+/u9HMBkqwPICYBkl52gZdxTxoSdM7H37IhCVNJnKGAzax 1QP0dMF27pnv3/ptuGZlxLsZVCM6EKdsjxD7L7K8Y4Zmmo+XP4Utg1ml+YE5a8SoZg WP94LHSnhuoXRQM4RJ+HG5UqpEhcTyLB1smihkpPH91RGssTufkejtib9faiz5onxj I00f2Y47Gl3q8QOp8SCGP6DAIqdqyArH4QBDI6gNwaOUmHyCveR0Q7HJsScZ9hTu5U tp6LQqUSwiIOw== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Print port function state and operational state whenever reported by kernel. Example of a PCI SF port function which supports the state: $ 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 $ devlink port add pci/0000:06:00.0 flavour pcisf pfnum 0 sfnum 88 pci/0000:08:00.0/32768: 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 $ devlink port show pci/0000:06:00.0/32768 pci/0000:06:00.0/32768: type eth netdev ens2f0npf0sf88 flavour pcisf controller 0 pfnum 0 sfnum 88 splittable false function: hw_addr 00:00:00:00:00:00 state inactive opstate detached $ devlink port function set pci/0000:06:00.0/32768 hw_addr 00:00:00:00:88:88 $ devlink port show pci/0000:06:00.0/32768 -jp { "port": { "pci/0000:06:00.0/32768": { "type": "eth", "netdev": "ens2f0npf0sf88", "flavour": "pcisf", "controller": 0, "pfnum": 0, "sfnum": 88, "splittable": false, "function": { "hw_addr": "00:00:00:00:88:88", "state": "inactive", "opstate": "detached" } } } } Signed-off-by: Parav Pandit Reviewed-by: Jiri Pirko --- changelog: v1->v2: - using helper routine to perform string<->u8 mapping for state and operational state --- devlink/devlink.c | 61 ++++++++++++++++++++++++++++++++++++++++------- include/utils.h | 1 + lib/utils.c | 13 ++++++++++ 3 files changed, 67 insertions(+), 8 deletions(-) diff --git a/devlink/devlink.c b/devlink/devlink.c index 76ea7cac..17db8623 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -1400,6 +1400,18 @@ static struct str_num_map port_flavour_map[] = { { .str = NULL, }, }; +static struct str_num_map port_fn_state_map[] = { + { .str = "inactive", .num = DEVLINK_PORT_FN_STATE_INACTIVE}, + { .str = "active", .num = DEVLINK_PORT_FN_STATE_ACTIVE }, + { .str = NULL, } +}; + +static struct str_num_map port_fn_opstate_map[] = { + { .str = "attached", .num = DEVLINK_PORT_FN_OPSTATE_ATTACHED}, + { .str = "detached", .num = DEVLINK_PORT_FN_OPSTATE_DETACHED}, + { .str = NULL, } +}; + static int port_flavour_parse(const char *flavour, uint16_t *value) { int num; @@ -3810,6 +3822,22 @@ static void pr_out_port_pfvfsf_num(struct dl *dl, struct nlattr **tb) } } +static const char *port_fn_state(uint8_t state) +{ + const char *str; + + str = str_map_lookup_u8(port_fn_state_map, state); + return str ? str : ""; +} + +static const char *port_fn_opstate(uint8_t state) +{ + const char *str; + + str = str_map_lookup_u8(port_fn_opstate_map, state); + return str ? str : ""; +} + static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port) { struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {}; @@ -3826,16 +3854,33 @@ static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port) if (err != MNL_CB_OK) return; - if (!tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]) - return; - - len = mnl_attr_get_payload_len(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); - data = mnl_attr_get_payload(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); - pr_out_object_start(dl, "function"); check_indent_newline(dl); - print_string(PRINT_ANY, "hw_addr", "hw_addr %s", - ll_addr_n2a(data, len, 0, hw_addr, sizeof(hw_addr))); + + if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]) { + len = mnl_attr_get_payload_len(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); + data = mnl_attr_get_payload(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); + + print_string(PRINT_ANY, "hw_addr", "hw_addr %s", + ll_addr_n2a(data, len, 0, hw_addr, sizeof(hw_addr))); + } + if (tb[DEVLINK_PORT_FN_ATTR_STATE]) { + uint8_t state; + + state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_STATE]); + + print_string(PRINT_ANY, "state", " state %s", + port_fn_state(state)); + } + if (tb[DEVLINK_PORT_FN_ATTR_OPSTATE]) { + uint8_t state; + + state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_OPSTATE]); + + print_string(PRINT_ANY, "opstate", " opstate %s", + port_fn_opstate(state)); + } + if (!dl->json_output) __pr_out_indent_dec(); pr_out_object_end(dl); diff --git a/include/utils.h b/include/utils.h index 1d67443e..e66090ae 100644 --- a/include/utils.h +++ b/include/utils.h @@ -347,5 +347,6 @@ struct str_num_map { int str_map_lookup_str(const struct str_num_map *map, const char *needle); const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val); +const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val); #endif /* __UTILS_H__ */ diff --git a/lib/utils.c b/lib/utils.c index 9fef2d76..af1b553c 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -1965,3 +1965,16 @@ const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val) } return NULL; } + +const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val) +{ + int num = val; + + while (map && map->str) { + if (num == map->num) + return map->str; + + map++; + } + return NULL; +} From patchwork Mon Feb 1 21:35:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 374496 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 C0801C4332D 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 9CB2864ED0 for ; Mon, 1 Feb 2021 21:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232412AbhBAVhG (ORCPT ); Mon, 1 Feb 2021 16:37:06 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:2065 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbhBAVgy (ORCPT ); Mon, 1 Feb 2021 16:36:54 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Mon, 01 Feb 2021 13:36:14 -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 21:36:13 +0000 From: Parav Pandit To: , , CC: Parav Pandit , Jiri Pirko Subject: [PATCH iproute2-next v2 6/6] devlink: Support set of port function state Date: Mon, 1 Feb 2021 23:35:51 +0200 Message-ID: <20210201213551.8503-7-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=1612215374; bh=aYy0C4euUzwMXPH1AO6VdvD+yFt7JCk+F9kQ3A7Vd6M=; 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=d4OGAJDHUV8dUHXItKB1ydCWdB7N5Wq0jE5HWCUuPKfUUqmnD1XVp6yPRWEQfh54M jxzA5rILEMGsEhxBB7m+UVn6mvoYh2JkmqwSwrXOQHvxrSW+HMj/SXLxcEBSnFJwbj s/ZBlCWPP8unuy4NZAcKySBN6isU5CIv/iQ+nGLXjtgvmB/rnfvvp2bQITakJkszXw 0OBO5bhyWZWHzTUPJWvqrs1FpjgyLU+p3aHnWo5n1Sr55Ntg4oa6yMMpbNMOuFgRXR HvM9YwpamjIFpuejRjiPRRciVUf4XeSPAbaFTSUwnUUlsgMFSgcdBVmRNC9HONjsRv 9l0Vhf/1N1n0w== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Support set operation of the devlink port function state. Example of a PCI SF port function which supports the state: $ 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 $ devlink port add pci/0000:06:00.0 flavour pcisf pfnum 0 sfnum 88 pci/0000:08:00.0/32768: 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 $ devlink port show pci/0000:06:00.0/32768 pci/0000:06:00.0/32768: type eth netdev ens2f0npf0sf88 flavour pcisf controller 0 pfnum 0 sfnum 88 splittable false function: hw_addr 00:00:00:00:00:00 state inactive opstate detached $ devlink port function set pci/0000:06:00.0/32768 hw_addr 00:00:00:00:88:88 state active $ devlink port show pci/0000:06:00.0/32768 -jp { "port": { "pci/0000:06:00.0/32768": { "type": "eth", "netdev": "ens2f0npf0sf88", "flavour": "pcisf", "controller": 0, "pfnum": 0, "sfnum": 88, "splittable": false, "function": { "hw_addr": "00:00:00:00:88:88", "state": "active", "opstate": "attached" } } } } Signed-off-by: Parav Pandit Reviewed-by: Jiri Pirko --- changelog: v1->v2: - using sting<->num mapping helper routine for state and operational state - change port_function_state to shoter name port_fn_state --- devlink/devlink.c | 51 ++++++++++++++++++++++++++----- man/man8/devlink-port.8 | 68 +++++++++++++++++++++++++++++++++++++++-- 2 files changed, 110 insertions(+), 9 deletions(-) diff --git a/devlink/devlink.c b/devlink/devlink.c index 17db8623..10398f77 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -309,6 +309,7 @@ static void ifname_map_free(struct ifname_map *ifname_map) #define DL_OPT_PORT_FLAVOUR BIT(42) #define DL_OPT_PORT_PFNUMBER BIT(43) #define DL_OPT_PORT_SFNUMBER BIT(44) +#define DL_OPT_PORT_FUNCTION_STATE BIT(45) struct dl_opts { uint64_t present; /* flags of present items */ @@ -362,6 +363,7 @@ struct dl_opts { uint32_t port_sfnumber; uint16_t port_flavour; uint16_t port_pfnumber; + uint8_t port_fn_state; }; struct dl { @@ -747,6 +749,7 @@ static int attr_stats_cb(const struct nlattr *attr, void *data) static const enum mnl_attr_data_type devlink_function_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = { [DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR ] = MNL_TYPE_BINARY, + [DEVLINK_PORT_FN_ATTR_STATE] = MNL_TYPE_U8, }; static int function_attr_cb(const struct nlattr *attr, void *data) @@ -1423,6 +1426,17 @@ static int port_flavour_parse(const char *flavour, uint16_t *value) return 0; } +static int port_fn_state_parse(const char *statestr, uint8_t *state) +{ + int num; + + num = str_map_lookup_str(port_fn_state_map, statestr); + if (num < 0) + return num; + *state = num; + return 0; +} + struct dl_args_metadata { uint64_t o_flag; char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; @@ -1874,6 +1888,19 @@ 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, "state") && + (o_all & DL_OPT_PORT_FUNCTION_STATE)) { + const char *statestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &statestr); + if (err) + return err; + err = port_fn_state_parse(statestr, &opts->port_fn_state); + if (err) + return err; + + o_found |= DL_OPT_PORT_FUNCTION_STATE; } else if (dl_argv_match(dl, "flavour") && (o_all & DL_OPT_PORT_FLAVOUR)) { const char *flavourstr; @@ -1919,9 +1946,14 @@ dl_function_attr_put(struct nlmsghdr *nlh, const struct dl_opts *opts) struct nlattr *nest; nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_PORT_FUNCTION); - mnl_attr_put(nlh, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, - opts->port_function_hw_addr_len, - opts->port_function_hw_addr); + + if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR) + mnl_attr_put(nlh, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, + opts->port_function_hw_addr_len, + opts->port_function_hw_addr); + if (opts->present & DL_OPT_PORT_FUNCTION_STATE) + mnl_attr_put_u8(nlh, DEVLINK_PORT_FN_ATTR_STATE, + opts->port_fn_state); mnl_attr_nest_end(nlh, nest); } @@ -2077,7 +2109,7 @@ static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl) if (opts->present & DL_OPT_TRAP_POLICER_BURST) mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_BURST, opts->trap_policer_burst); - if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR) + if (opts->present & (DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE)) 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); @@ -3770,7 +3802,7 @@ static void cmd_port_help(void) pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n"); pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n"); 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 function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state STATE ]\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"); @@ -4035,7 +4067,7 @@ static int cmd_port_unsplit(struct dl *dl) static void cmd_port_function_help(void) { - pr_err("Usage: devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ]\n"); + pr_err("Usage: devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state STATE ]\n"); } static int cmd_port_function_set(struct dl *dl) @@ -4043,9 +4075,14 @@ static int cmd_port_function_set(struct dl *dl) struct nlmsghdr *nlh; int err; + if (dl_no_arg(dl)) { + cmd_port_function_help(); + return 0; + } nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET, NLM_F_REQUEST | NLM_F_ACK); - err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_FUNCTION_HW_ADDR, 0); + err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, + DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE); if (err) return err; diff --git a/man/man8/devlink-port.8 b/man/man8/devlink-port.8 index 4a1d3800..55f1cce6 100644 --- a/man/man8/devlink-port.8 +++ b/man/man8/devlink-port.8 @@ -60,6 +60,16 @@ devlink-port \- devlink port configuration .B devlink port del .IR DEV/PORT_INDEX +.ti -8 +.BR "devlink port function set " +.IR DEV/PORT_INDEX +.RI "{ " +.BR "hw_addr " +.RI "ADDR }" +.RI "{ " +.BR "state" +.RI "STATE }" + .ti -8 .B devlink port help @@ -144,7 +154,30 @@ 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. +This field is optional for those devices which supports auto assignment of the +SF number. + +.ti -8 +.SS devlink port function set - Set the port function attribute(s). + +.PP +.B "DEV/PORT_INDEX" +- specifies the devlink port to operate on. + +.TP +.BR hw_addr " ADDR" +- hardware address of the function to set. This is a Ethernet MAC address when +port type is Ethernet. + +.TP +.BR state " { " active " | " inactive " } " +- new state of the function to change to. + +.I active +- Once configuration of the function is done, activate the function. + +.I inactive +- To inactivate the function and its device(s), set to inactive. .ti -8 .SS devlink port del - delete a devlink port @@ -192,11 +225,42 @@ Shows status and configuration of tx reporter registered on pci/0000:01:00.0/1 d 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. +To make use of the function an example sequence is to add a port, configure the +function attribute and activate the function. Once function usage is completed, +inactivate the function and finally delete the port. When there is desire to +reuse the port without deletion, it can be reconfigured and activated again when +function is in inactive state and function's operational state is detached. .RE .PP devlink port del pci/0000:06:00.0/1 .RS 4 -Delete previously created devlink port. +Delete previously created devlink port. It is recommended to first deactivate +the function if the function supports state management. +.RE +.PP +devlink port function set pci/0000:01:00.0/1 hw_addr 00:00:00:11:22:33 +.RS 4 +Configure hardware address of the PCI function represented by devlink port. +If the port supports change in function state, hardware address must be configured +before activating the function. +.RE +.PP +devlink port function set pci/0000:01:00.0/1 state active +.RS 4 +Activate the function. This will initiate the function enumeration and driver loading. +.RE +.PP +devlink port function set pci/0000:01:00.0/1 state inactive +.RS 4 +Deactivate the function. This will initiate the function teardown which results +in driver unload and device removal. +.RE +.PP +devlink port function set pci/0000:01:00.0/1 hw_addr 00:00:00:11:22:33 state active +.RS 4 +Configure hardware address and also active the function. When a function is +activated together with other configuration in a single command, all the +configuration is applied first before changing the state to active. .RE .SH SEE ALSO