netdev - [PATCH net-next 2/3] net: dsa: dsa_loop: add phylink capabilities

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Message-Id: <E1qpnfy-009Ncm-9D@rmk-PC.armlinux.org.uk>
Date: Mon, 09 Oct 2023 11:39:50 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <olteanv@...il.com>,
	 Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH net-next 2/3] net: dsa: dsa_loop: add phylink capabilities

Add phylink capabilities for dsa_loop, which I believe being a software
construct means that it supports essentially all interface types and
all speeds.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/dsa/dsa_loop.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c
index 5b139f2206b6..c70ed67cc188 100644
--- a/drivers/net/dsa/dsa_loop.c
+++ b/drivers/net/dsa/dsa_loop.c
@@ -277,6 +277,14 @@ static int dsa_loop_port_max_mtu(struct dsa_switch *ds, int port)
 	return ETH_MAX_MTU;
 }
 
+static void dsa_loop_phylink_get_caps(struct dsa_switch *dsa, int port,
+				      struct phylink_config *config)
+{
+	bitmap_fill(config->supported_interfaces, PHY_INTERFACE_MODE_MAX);
+	__clear_bit(PHY_INTERFACE_MODE_NA, config->supported_interfaces);
+	config->mac_capabilities = ~0;
+}
+
 static const struct dsa_switch_ops dsa_loop_driver = {
 	.get_tag_protocol	= dsa_loop_get_protocol,
 	.setup			= dsa_loop_setup,
@@ -295,6 +303,7 @@ static const struct dsa_switch_ops dsa_loop_driver = {
 	.port_vlan_del		= dsa_loop_port_vlan_del,
 	.port_change_mtu	= dsa_loop_port_change_mtu,
 	.port_max_mtu		= dsa_loop_port_max_mtu,
+	.phylink_get_caps	= dsa_loop_phylink_get_caps,
 };
 
 static int dsa_loop_drv_probe(struct mdio_device *mdiodev)
-- 
2.30.2