From patchwork Wed Dec 6 18:21:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Pirko X-Patchwork-Id: 13482141 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=resnulli-us.20230601.gappssmtp.com header.i=@resnulli-us.20230601.gappssmtp.com header.b="GG4AmHvS" Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25062139 for ; Wed, 6 Dec 2023 10:21:41 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id 4fb4d7f45d1cf-54cfb03f1a8so103496a12.2 for ; Wed, 06 Dec 2023 10:21:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20230601.gappssmtp.com; s=20230601; t=1701886899; x=1702491699; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kjK8RDArNY4XLJtV3AvD49frNSNKdkXFX9QIwpglGH4=; b=GG4AmHvSqs7biVwGydwDDa46fBkdxIgIr2JXdGqFJelWQNoqSc3hQorKrZFLseGejD w7cAV2h9m2NHLpFhOFVTEVzsbsbfLEYKBHtSMBn2InBZJ+ywA75kWgL4tzMVouLiK6/L UI2+1I0X4uu9sB7OvfNDETWqr6xNvaHMAn+m9Fes78an8homoFijh6VcIJGRdJ/JZbwW ZCdEy4S15qZtsg9XpynuWEHM0Y5LrBV6WUAC3tYV06183wydQw/Dlcqe67CYvQKIj71F phlCbngMcBbi7l0GwzWTWxYAMj6t8GEMCJPXkBQgt0co3hQ6LFyATQuDjfOqoFr9vtLN TYYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701886899; x=1702491699; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kjK8RDArNY4XLJtV3AvD49frNSNKdkXFX9QIwpglGH4=; b=JmuGA6pHXd3ZIJCFrc/vbVDpbBaksOyhY17IYH/nAlzNuEs9D2L87Mq2Lc2rZLH1jv FH/mpRbN4SGUQq+6i5qYuHzDw/ZV5JvwwzYj5dBJ6rC9+2gNanaVTKwVcXfrgAFdhP65 r0ll+/hXp5sPNktFA/iIYoKBYDKoCM7AOTJEoZJQ/Bo0NBW+ejk+QE+xcmIGtbH5rN5Q i62CBseTcT4gcRDK3aGUsqnZAfFh++tW9xTgd3iZIob3miD+XEihaQ20X8NiOg3LSck3 fsXTWND/olQySSNRNqN0/cbRcxtgxgtv5tRH/JAewk4yUY7MwZNPzyA1oofp5em6CIsl IEWQ== X-Gm-Message-State: AOJu0YyeI+kfqanvtEQ+MYiWylnve6X0b9OMD02cjVTp9+pbgx7JtN9Q YyBXoA3oRRlVel3ZqeOu2uHBxd7/2DNx6ViUZqA= X-Google-Smtp-Source: AGHT+IHwDY7I1mCSvlBnVEIu3KnDOO7P4y1Fsw5Ds6aD+O9TE2e+t+jgK8AC5P2OnGIyABqau5gAyw== X-Received: by 2002:a05:6402:3139:b0:54c:4837:7594 with SMTP id dd25-20020a056402313900b0054c48377594mr781808edb.64.1701886899662; Wed, 06 Dec 2023 10:21:39 -0800 (PST) Received: from localhost (host-213-179-129-39.customer.m-online.net. [213.179.129.39]) by smtp.gmail.com with ESMTPSA id c7-20020aa7d607000000b0054b25e865f6sm255917edr.18.2023.12.06.10.21.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Dec 2023 10:21:39 -0800 (PST) From: Jiri Pirko To: netdev@vger.kernel.org Cc: kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net, edumazet@google.com, jacob.e.keller@intel.com, jhs@mojatatu.com, johannes@sipsolutions.net, andriy.shevchenko@linux.intel.com, amritha.nambiar@intel.com, sdf@google.com, horms@kernel.org, przemyslaw.kitszel@intel.com Subject: [patch net-next v5 9/9] devlink: extend multicast filtering by port index Date: Wed, 6 Dec 2023 19:21:20 +0100 Message-ID: <20231206182120.957225-10-jiri@resnulli.us> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231206182120.957225-1-jiri@resnulli.us> References: <20231206182120.957225-1-jiri@resnulli.us> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Jiri Pirko Expose the previously introduced notification multicast messages filtering infrastructure and allow the user to select messages using port index. Signed-off-by: Jiri Pirko --- v4->v5: - removed generated userspace bits v3->v4: - rebased on top of genl_sk_priv_*() introduction --- Documentation/netlink/specs/devlink.yaml | 1 + net/devlink/devl_internal.h | 9 +++++++++ net/devlink/health.c | 6 +++++- net/devlink/netlink.c | 10 +++++++++- net/devlink/netlink_gen.c | 5 +++-- net/devlink/port.c | 5 ++++- 6 files changed, 31 insertions(+), 5 deletions(-) diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml index 6bad1d3454b7..4996ff7e09b6 100644 --- a/Documentation/netlink/specs/devlink.yaml +++ b/Documentation/netlink/specs/devlink.yaml @@ -2065,3 +2065,4 @@ operations: attributes: - bus-name - dev-name + - port-index diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h index 82e0fb3bbebf..c7a8e13f917c 100644 --- a/net/devlink/devl_internal.h +++ b/net/devlink/devl_internal.h @@ -195,6 +195,8 @@ struct devlink_obj_desc { struct rcu_head rcu; const char *bus_name; const char *dev_name; + unsigned int port_index; + bool port_index_valid; long data[]; }; @@ -206,6 +208,13 @@ static inline void devlink_nl_obj_desc_init(struct devlink_obj_desc *desc, desc->dev_name = dev_name(devlink->dev); } +static inline void devlink_nl_obj_desc_port_set(struct devlink_obj_desc *desc, + struct devlink_port *devlink_port) +{ + desc->port_index = devlink_port->index; + desc->port_index_valid = true; +} + int devlink_nl_notify_filter(struct sock *dsk, struct sk_buff *skb, void *data); static inline void devlink_nl_notify_send_desc(struct devlink *devlink, diff --git a/net/devlink/health.c b/net/devlink/health.c index 1d59ec0202f6..acb8c0e174bb 100644 --- a/net/devlink/health.c +++ b/net/devlink/health.c @@ -490,6 +490,7 @@ static void devlink_recover_notify(struct devlink_health_reporter *reporter, enum devlink_command cmd) { struct devlink *devlink = reporter->devlink; + struct devlink_obj_desc desc; struct sk_buff *msg; int err; @@ -509,7 +510,10 @@ static void devlink_recover_notify(struct devlink_health_reporter *reporter, return; } - devlink_nl_notify_send(devlink, msg); + devlink_nl_obj_desc_init(&desc, devlink); + if (reporter->devlink_port) + devlink_nl_obj_desc_port_set(&desc, reporter->devlink_port); + devlink_nl_notify_send_desc(devlink, msg, &desc); } void diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c index 06f294d34a04..c6de311130fb 100644 --- a/net/devlink/netlink.c +++ b/net/devlink/netlink.c @@ -73,8 +73,13 @@ int devlink_nl_notify_filter_set_doit(struct sk_buff *skb, flt->dev_name = pos; } + if (attrs[DEVLINK_ATTR_PORT_INDEX]) { + flt->port_index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]); + flt->port_index_valid = true; + } + /* Don't attach empty filter. */ - if (!flt->bus_name && !flt->dev_name) { + if (!flt->bus_name && !flt->dev_name && !flt->port_index_valid) { kfree(flt); flt = NULL; } @@ -101,6 +106,9 @@ static bool devlink_obj_desc_match(const struct devlink_obj_desc *desc, if (desc->dev_name && flt->dev_name && strcmp(desc->dev_name, flt->dev_name)) return false; + if (desc->port_index_valid && flt->port_index_valid && + desc->port_index != flt->port_index) + return false; return true; } diff --git a/net/devlink/netlink_gen.c b/net/devlink/netlink_gen.c index 1cb0e05305d2..c81cf2dd154f 100644 --- a/net/devlink/netlink_gen.c +++ b/net/devlink/netlink_gen.c @@ -561,9 +561,10 @@ static const struct nla_policy devlink_selftests_run_nl_policy[DEVLINK_ATTR_SELF }; /* DEVLINK_CMD_NOTIFY_FILTER_SET - do */ -static const struct nla_policy devlink_notify_filter_set_nl_policy[DEVLINK_ATTR_DEV_NAME + 1] = { +static const struct nla_policy devlink_notify_filter_set_nl_policy[DEVLINK_ATTR_PORT_INDEX + 1] = { [DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING, }, [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, }, + [DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32, }, }; /* Ops table for devlink */ @@ -1243,7 +1244,7 @@ const struct genl_split_ops devlink_nl_ops[74] = { .cmd = DEVLINK_CMD_NOTIFY_FILTER_SET, .doit = devlink_nl_notify_filter_set_doit, .policy = devlink_notify_filter_set_nl_policy, - .maxattr = DEVLINK_ATTR_DEV_NAME, + .maxattr = DEVLINK_ATTR_PORT_INDEX, .flags = GENL_CMD_CAP_DO, }, }; diff --git a/net/devlink/port.c b/net/devlink/port.c index 758df3000a1b..62e54e152ecf 100644 --- a/net/devlink/port.c +++ b/net/devlink/port.c @@ -507,6 +507,7 @@ static void devlink_port_notify(struct devlink_port *devlink_port, enum devlink_command cmd) { struct devlink *devlink = devlink_port->devlink; + struct devlink_obj_desc desc; struct sk_buff *msg; int err; @@ -525,7 +526,9 @@ static void devlink_port_notify(struct devlink_port *devlink_port, return; } - devlink_nl_notify_send(devlink, msg); + devlink_nl_obj_desc_init(&desc, devlink); + devlink_nl_obj_desc_port_set(&desc, devlink_port); + devlink_nl_notify_send_desc(devlink, msg, &desc); } static void devlink_ports_notify(struct devlink *devlink,