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[5.12.227.87]) by smtp.gmail.com with ESMTPSA id a6sm2041858edv.74.2021.01.06.17.25.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jan 2021 17:25:13 -0800 (PST) From: Vladimir Oltean To: Florian Fainelli , "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org Cc: Andrew Lunn , Vivien Didelot , bcm-kernel-feedback-list@broadcom.com, =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Subject: [PATCH v2 net-next 2/4] net: dsa: export dsa_slave_dev_check Date: Thu, 7 Jan 2021 03:24:01 +0200 Message-Id: <20210107012403.1521114-3-olteanv@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210107012403.1521114-1-olteanv@gmail.com> References: <20210107012403.1521114-1-olteanv@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vladimir Oltean Using the NETDEV_CHANGEUPPER notifications, drivers can be aware when they are enslaved to e.g. a bridge by calling netif_is_bridge_master(). Export this helper from DSA to get the equivalent functionality of determining whether the upper interface of a CHANGEUPPER notifier is a DSA switch interface or not. Signed-off-by: Vladimir Oltean Acked-by: Florian Fainelli --- Changes in v2: None. include/net/dsa.h | 6 ++++++ net/dsa/dsa_priv.h | 1 - net/dsa/slave.c | 1 + 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/net/dsa.h b/include/net/dsa.h index af9a4f9ee764..5badfd6403c5 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -855,6 +855,7 @@ int register_dsa_notifier(struct notifier_block *nb); int unregister_dsa_notifier(struct notifier_block *nb); int call_dsa_notifiers(unsigned long val, struct net_device *dev, struct dsa_notifier_info *info); +bool dsa_slave_dev_check(const struct net_device *dev); #else static inline int register_dsa_notifier(struct notifier_block *nb) { @@ -871,6 +872,11 @@ static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, { return NOTIFY_DONE; } + +static inline bool dsa_slave_dev_check(const struct net_device *dev) +{ + return false; +} #endif netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 7c96aae9062c..33c082f10bb9 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -172,7 +172,6 @@ extern const struct dsa_device_ops notag_netdev_ops; void dsa_slave_mii_bus_init(struct dsa_switch *ds); int dsa_slave_create(struct dsa_port *dp); void dsa_slave_destroy(struct net_device *slave_dev); -bool dsa_slave_dev_check(const struct net_device *dev); int dsa_slave_suspend(struct net_device *slave_dev); int dsa_slave_resume(struct net_device *slave_dev); int dsa_slave_register_notifier(void); diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 4a0498bf6c65..c01bc7ebeb14 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1924,6 +1924,7 @@ bool dsa_slave_dev_check(const struct net_device *dev) { return dev->netdev_ops == &dsa_slave_netdev_ops; } +EXPORT_SYMBOL_GPL(dsa_slave_dev_check); static int dsa_slave_changeupper(struct net_device *dev, struct netdev_notifier_changeupper_info *info) -- 2.25.1