From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F40B1C84A0 for ; Sun, 7 Sep 2025 01:30:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757208624; cv=none; b=STeGetj+w6YwsU74+aoQQG55mA+MOenAz750oWuPuFn9E2Q4os5Q7nxcJ95APB22SAddnXZ1ogrLJQXRFYgQJzTgeRa77ypNiYxAhvY/yDImOezV17hLLoNg4YrXz58hxwd9FXTbwHr2y54ijpvahX/VzkEaZqkETO0vZ83efSc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757208624; c=relaxed/simple; bh=QMavB3CTPlL86sg/Ov5FReGRbw+YXpTAViPuQdP2H1Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qEKxzJUwFcdk4oVnMuEZrXYOvqpJFyuRJv0I93EPYWTFcgB2sGAkWz/UksBasOQZULGu3j1Bh54UJsHGET+5CzcjgF8vi5G4RuVbQJ0DYCB6m6oTWNX+6aq3gRJozY1JwVSFuMcrwPjQryk4+Yoyr8N/O2LCvFihQRm15Q9/uy4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D7gRuitA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="D7gRuitA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CF92C4CEE7; Sun, 7 Sep 2025 01:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757208623; bh=QMavB3CTPlL86sg/Ov5FReGRbw+YXpTAViPuQdP2H1Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D7gRuitA6JhuXcHDei2m+woa4IHQebgcG79OwQPX9aVoW7pPOwBY/KaoqpaMEXo7k MM2InPAtqpN8qDo/53eWpf4Iz5oKGdl8SQKAGZEjt0iMDfzOUt2FyjyTf7XTSCX10H cB8a3NTOnEdgrMRdW2SCCAX1/eCJKegx7G7fQ7bfz8eN9aYxzNYcks4Q/yqdTe6oHF khndZDNFkGlqVDQrE12N0x3Jma5yu9KyJ6VDZoW1yshTwFjZzp16Mb859R9x9BU5KT whFRV9Y0fkH1BDze56kFma50QUB5M1X8GJrYyze5qxvniShhlpdnYMFnAYFc6NQ68J ocUEvpzy5Ov/w== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet Cc: Saeed Mahameed , netdev@vger.kernel.org, Tariq Toukan , Gal Pressman , Leon Romanovsky , Jiri Pirko , Jacob Keller , Simon Horman Subject: [PATCH V7 net-next 08/11] devlink: Implement set netlink command for port params Date: Sat, 6 Sep 2025 18:29:50 -0700 Message-ID: <20250907012953.301746-9-saeed@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250907012953.301746-1-saeed@kernel.org> References: <20250907012953.301746-1-saeed@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Saeed Mahameed Add missing port-params netlink attributes and policies to devlink's spec, reuse existing set_doit of the devlink dev params. This implements: devlink port param set / name value \ cmode Reviewed-by: Jiri Pirko Signed-off-by: Saeed Mahameed Reviewed-by: Simon Horman --- Documentation/netlink/specs/devlink.yaml | 9 ++++++++- net/devlink/netlink_gen.c | 7 +++++-- net/devlink/param.c | 16 ++++++++++++---- 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml index 9b7f0889d1ce..17fca82cb233 100644 --- a/Documentation/netlink/specs/devlink.yaml +++ b/Documentation/netlink/specs/devlink.yaml @@ -1904,7 +1904,14 @@ operations: pre: devlink-nl-pre-doit-port post: devlink-nl-post-doit request: - attributes: *port-id-attrs + attributes: + - bus-name + - dev-name + - port-index + - param-name + - param-type + # param-value-data is missing here as the type is variable + - param-value-cmode - name: info-get diff --git a/net/devlink/netlink_gen.c b/net/devlink/netlink_gen.c index 0d231dab8e01..d817c591bc28 100644 --- a/net/devlink/netlink_gen.c +++ b/net/devlink/netlink_gen.c @@ -369,10 +369,13 @@ static const struct nla_policy devlink_port_param_get_dump_nl_policy[DEVLINK_ATT }; /* DEVLINK_CMD_PORT_PARAM_SET - do */ -static const struct nla_policy devlink_port_param_set_nl_policy[DEVLINK_ATTR_PORT_INDEX + 1] = { +static const struct nla_policy devlink_port_param_set_nl_policy[DEVLINK_ATTR_PARAM_VALUE_CMODE + 1] = { [DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING, }, [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, }, [DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32, }, + [DEVLINK_ATTR_PARAM_NAME] = { .type = NLA_NUL_STRING, }, + [DEVLINK_ATTR_PARAM_TYPE] = NLA_POLICY_VALIDATE_FN(NLA_U8, &devlink_attr_param_type_validate), + [DEVLINK_ATTR_PARAM_VALUE_CMODE] = NLA_POLICY_MAX(NLA_U8, 2), }; /* DEVLINK_CMD_INFO_GET - do */ @@ -1000,7 +1003,7 @@ const struct genl_split_ops devlink_nl_ops[74] = { .doit = devlink_nl_port_param_set_doit, .post_doit = devlink_nl_post_doit, .policy = devlink_port_param_set_nl_policy, - .maxattr = DEVLINK_ATTR_PORT_INDEX, + .maxattr = DEVLINK_ATTR_PARAM_VALUE_CMODE, .flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO, }, { diff --git a/net/devlink/param.c b/net/devlink/param.c index 1c76f846205d..658033019277 100644 --- a/net/devlink/param.c +++ b/net/devlink/param.c @@ -175,12 +175,15 @@ static int devlink_param_get(struct devlink *devlink, } static int devlink_param_set(struct devlink *devlink, + struct devlink_port *devlink_port, const struct devlink_param *param, struct devlink_param_gset_ctx *ctx, struct netlink_ext_ack *extack) { if (!param->set) return -EOPNOTSUPP; + + ctx->devlink_port = devlink_port; return param->set(devlink, param->id, ctx, extack); } @@ -529,8 +532,8 @@ static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink, struct genl_info *info, enum devlink_command cmd) { + struct devlink_param_gset_ctx ctx = {}; enum devlink_param_type param_type; - struct devlink_param_gset_ctx ctx; enum devlink_param_cmode cmode; struct devlink_param_item *param_item; const struct devlink_param *param; @@ -569,7 +572,8 @@ static int __devlink_nl_cmd_param_set_doit(struct devlink *devlink, return -EOPNOTSUPP; ctx.val = value; ctx.cmode = cmode; - err = devlink_param_set(devlink, param, &ctx, info->extack); + err = devlink_param_set(devlink, devlink_port, param, + &ctx, info->extack); if (err) return err; } @@ -655,8 +659,12 @@ int devlink_nl_port_param_get_doit(struct sk_buff *skb, int devlink_nl_port_param_set_doit(struct sk_buff *skb, struct genl_info *info) { - NL_SET_ERR_MSG(info->extack, "Port params are not supported"); - return -EINVAL; + struct devlink_port *devlink_port = info->user_ptr[1]; + struct devlink *devlink = info->user_ptr[0]; + + return __devlink_nl_cmd_param_set_doit(devlink, devlink_port, + &devlink_port->params, info, + DEVLINK_CMD_PORT_PARAM_NEW); } static int devlink_param_verify(const struct devlink_param *param) -- 2.51.0