linux-kernel - [PATCH net-next v5 04/15] net: phy: add MACsec ops in phy

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Message-Id: <20200110162010.338611-5-antoine.tenart@bootlin.com>
Date:   Fri, 10 Jan 2020 17:19:59 +0100
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, sd@...asysnail.net, andrew@...n.ch,
        f.fainelli@...il.com, hkallweit1@...il.com
Cc:     Antoine Tenart <antoine.tenart@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, alexandre.belloni@...tlin.com,
        allan.nielsen@...rochip.com, camelia.groza@....com,
        Simon.Edelhaus@...antia.com, Igor.Russkikh@...antia.com,
        jakub.kicinski@...ronome.com
Subject: [PATCH net-next v5 04/15] net: phy: add MACsec ops in phy_device

This patch adds a reference to MACsec ops in the phy_device, to allow
PHYs to support offloading MACsec operations. The phydev lock will be
held while calling those helpers.

Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
 include/linux/phy.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 0cc757ea2264..5179296b3eb5 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -333,6 +333,7 @@ struct phy_c45_device_ids {
 };
 
 struct macsec_context;
+struct macsec_ops;
 
 /* phy_device: An instance of a PHY
  *
@@ -356,6 +357,7 @@ struct macsec_context;
  * attached_dev: The attached enet driver's device instance ptr
  * adjust_link: Callback for the enet controller to respond to
  * changes in the link state.
+ * macsec_ops: MACsec offloading ops.
  *
  * speed, duplex, pause, supported, advertising, lp_advertising,
  * and autoneg are used like in mii_if_info
@@ -455,6 +457,11 @@ struct phy_device {
 
 	void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
 	void (*adjust_link)(struct net_device *dev);
+
+#if IS_ENABLED(CONFIG_MACSEC)
+	/* MACsec management functions */
+	const struct macsec_ops *macsec_ops;
+#endif
 };
 #define to_phy_device(d) container_of(to_mdio_device(d), \
 				      struct phy_device, mdio)
-- 
2.24.1