From: Maxime Chevallier <maxime.chevallier@bootlin.com> To: davem@davemloft.net Cc: "Maxime Chevallier" <maxime.chevallier@bootlin.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, "Andrew Lunn" <andrew@lunn.ch>, "Jakub Kicinski" <kuba@kernel.org>, "Eric Dumazet" <edumazet@google.com>, "Paolo Abeni" <pabeni@redhat.com>, "Russell King" <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org, "Christophe Leroy" <christophe.leroy@csgroup.eu>, "Herve Codina" <herve.codina@bootlin.com>, "Florian Fainelli" <f.fainelli@gmail.com>, "Heiner Kallweit" <hkallweit1@gmail.com>, "Vladimir Oltean" <vladimir.oltean@nxp.com>, "Köry Maincent" <kory.maincent@bootlin.com>, "Jesse Brandeburg" <jesse.brandeburg@intel.com>, "Jonathan Corbet" <corbet@lwn.net>, "Marek Behún" <kabel@kernel.org>, "Piergiorgio Beruto" <piergiorgio.beruto@gmail.com>, "Oleksij Rempel" <o.rempel@pengutronix.de>, "Nicolò Veronese" <nicveronese@gmail.com> Subject: [PATCH net-next v4 04/13] net: sfp: Add helper to return the SFP bus name Date: Fri, 15 Dec 2023 18:12:26 +0100 [thread overview] Message-ID: <20231215171237.1152563-5-maxime.chevallier@bootlin.com> (raw) In-Reply-To: <20231215171237.1152563-1-maxime.chevallier@bootlin.com> Knowing the bus name is helpful when we want to expose the link topology to userspace, add a helper to return the SFP bus name. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> --- V4: - No changes V3: - Added RTNL assert - Made the stub inline V2: New patch drivers/net/phy/sfp-bus.c | 11 +++++++++++ include/linux/sfp.h | 6 ++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index 3a86c41e1235..fb1c102714b5 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -859,3 +859,14 @@ void sfp_unregister_socket(struct sfp_bus *bus) sfp_bus_put(bus); } EXPORT_SYMBOL_GPL(sfp_unregister_socket); + +const char *sfp_get_name(struct sfp_bus *bus) +{ + ASSERT_RTNL(); + + if (bus->sfp_dev) + return dev_name(bus->sfp_dev); + + return NULL; +} +EXPORT_SYMBOL_GPL(sfp_get_name); diff --git a/include/linux/sfp.h b/include/linux/sfp.h index 0573e53b0c11..55c0ab17c9e2 100644 --- a/include/linux/sfp.h +++ b/include/linux/sfp.h @@ -570,6 +570,7 @@ struct sfp_bus *sfp_bus_find_fwnode(const struct fwnode_handle *fwnode); int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, const struct sfp_upstream_ops *ops); void sfp_bus_del_upstream(struct sfp_bus *bus); +const char *sfp_get_name(struct sfp_bus *bus); #else static inline int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, @@ -648,6 +649,11 @@ static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, static inline void sfp_bus_del_upstream(struct sfp_bus *bus) { } + +static inline const char *sfp_get_name(struct sfp_bus *bus) +{ + return NULL; +} #endif #endif -- 2.43.0
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Chevallier <maxime.chevallier@bootlin.com> To: davem@davemloft.net Cc: "Maxime Chevallier" <maxime.chevallier@bootlin.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, "Andrew Lunn" <andrew@lunn.ch>, "Jakub Kicinski" <kuba@kernel.org>, "Eric Dumazet" <edumazet@google.com>, "Paolo Abeni" <pabeni@redhat.com>, "Russell King" <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org, "Christophe Leroy" <christophe.leroy@csgroup.eu>, "Herve Codina" <herve.codina@bootlin.com>, "Florian Fainelli" <f.fainelli@gmail.com>, "Heiner Kallweit" <hkallweit1@gmail.com>, "Vladimir Oltean" <vladimir.oltean@nxp.com>, "Köry Maincent" <kory.maincent@bootlin.com>, "Jesse Brandeburg" <jesse.brandeburg@intel.com>, "Jonathan Corbet" <corbet@lwn.net>, "Marek Behún" <kabel@kernel.org>, "Piergiorgio Beruto" <piergiorgio.beruto@gmail.com>, "Oleksij Rempel" <o.rempel@pengutronix.de>, "Nicolò Veronese" <nicveronese@gmail.com> Subject: [PATCH net-next v4 04/13] net: sfp: Add helper to return the SFP bus name Date: Fri, 15 Dec 2023 18:12:26 +0100 [thread overview] Message-ID: <20231215171237.1152563-5-maxime.chevallier@bootlin.com> (raw) In-Reply-To: <20231215171237.1152563-1-maxime.chevallier@bootlin.com> Knowing the bus name is helpful when we want to expose the link topology to userspace, add a helper to return the SFP bus name. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> --- V4: - No changes V3: - Added RTNL assert - Made the stub inline V2: New patch drivers/net/phy/sfp-bus.c | 11 +++++++++++ include/linux/sfp.h | 6 ++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index 3a86c41e1235..fb1c102714b5 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -859,3 +859,14 @@ void sfp_unregister_socket(struct sfp_bus *bus) sfp_bus_put(bus); } EXPORT_SYMBOL_GPL(sfp_unregister_socket); + +const char *sfp_get_name(struct sfp_bus *bus) +{ + ASSERT_RTNL(); + + if (bus->sfp_dev) + return dev_name(bus->sfp_dev); + + return NULL; +} +EXPORT_SYMBOL_GPL(sfp_get_name); diff --git a/include/linux/sfp.h b/include/linux/sfp.h index 0573e53b0c11..55c0ab17c9e2 100644 --- a/include/linux/sfp.h +++ b/include/linux/sfp.h @@ -570,6 +570,7 @@ struct sfp_bus *sfp_bus_find_fwnode(const struct fwnode_handle *fwnode); int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, const struct sfp_upstream_ops *ops); void sfp_bus_del_upstream(struct sfp_bus *bus); +const char *sfp_get_name(struct sfp_bus *bus); #else static inline int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, @@ -648,6 +649,11 @@ static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream, static inline void sfp_bus_del_upstream(struct sfp_bus *bus) { } + +static inline const char *sfp_get_name(struct sfp_bus *bus) +{ + return NULL; +} #endif #endif -- 2.43.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-12-15 17:12 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-12-15 17:12 [PATCH net-next v4 00/13] Introduce PHY listing and link_topology tracking Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-15 17:12 ` [PATCH net-next v4 01/13] net: phy: Introduce ethernet link topology representation Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-15 21:45 ` Vladimir Oltean 2023-12-15 21:45 ` Vladimir Oltean 2023-12-17 16:57 ` Andrew Lunn 2023-12-17 16:57 ` Andrew Lunn 2023-12-18 8:49 ` Maxime Chevallier 2023-12-18 8:49 ` Maxime Chevallier 2023-12-18 9:11 ` Maxime Chevallier 2023-12-18 9:11 ` Maxime Chevallier 2023-12-18 6:04 ` kernel test robot 2023-12-18 6:04 ` kernel test robot 2023-12-18 8:10 ` kernel test robot 2023-12-18 8:10 ` kernel test robot 2023-12-15 17:12 ` [PATCH net-next v4 02/13] net: sfp: pass the phy_device when disconnecting an sfp module's PHY Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-15 17:12 ` [PATCH net-next v4 03/13] net: phy: add helpers to handle sfp phy connect/disconnect Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier [this message] 2023-12-15 17:12 ` [PATCH net-next v4 04/13] net: sfp: Add helper to return the SFP bus name Maxime Chevallier 2023-12-17 17:07 ` Andrew Lunn 2023-12-17 17:07 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 05/13] net: ethtool: Allow passing a phy index for some commands Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-16 11:48 ` kernel test robot 2023-12-16 11:48 ` kernel test robot 2023-12-17 17:11 ` Andrew Lunn 2023-12-17 17:11 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 06/13] netlink: specs: add phy-index as a header parameter Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-17 17:11 ` Andrew Lunn 2023-12-17 17:11 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 07/13] net: ethtool: Introduce a command to list PHYs on an interface Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-19 8:55 ` Simon Horman 2023-12-19 8:55 ` Simon Horman 2023-12-15 17:12 ` [PATCH net-next v4 08/13] netlink: specs: add ethnl PHY_GET command set Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-15 17:12 ` [PATCH net-next v4 09/13] net: ethtool: plca: Target the command to the requested PHY Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-18 9:55 ` Andrew Lunn 2023-12-18 9:55 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 10/13] net: ethtool: pse-pd: " Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-18 9:58 ` Andrew Lunn 2023-12-18 9:58 ` Andrew Lunn 2023-12-21 17:31 ` Maxime Chevallier 2023-12-21 17:31 ` Maxime Chevallier 2023-12-15 17:12 ` [PATCH net-next v4 11/13] net: ethtool: cable-test: " Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-18 9:58 ` Andrew Lunn 2023-12-18 9:58 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 12/13] net: ethtool: strset: Allow querying phy stats by index Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-18 10:00 ` Andrew Lunn 2023-12-18 10:00 ` Andrew Lunn 2023-12-15 17:12 ` [PATCH net-next v4 13/13] Documentation: networking: document phy_link_topology Maxime Chevallier 2023-12-15 17:12 ` Maxime Chevallier 2023-12-18 10:10 ` Andrew Lunn 2023-12-18 10:10 ` Andrew Lunn 2023-12-19 8:58 ` Simon Horman 2023-12-19 8:58 ` Simon Horman
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