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Message-Id: <E1mxqYY-00GYYc-EW@rmk-PC.armlinux.org.uk>
Date: Thu, 16 Dec 2021 13:12:22 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Jose Abreu <Jose.Abreu@...opsys.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Jose Abreu <joabreu@...opsys.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH CFT net-next 2/6] net: stmmac: convert to
phylink_get_linkmodes()
Add the MAC speed, duplex and pause capabilities to the phylink_config
structure, and switch stmmac_validate() to use phylink_get_linkmodes()
to generate the mask of supported ethtool link modes.
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 125 ++++++------------
1 file changed, 42 insertions(+), 83 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c26ac288f981..09bef8310360 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -942,95 +942,22 @@ static void stmmac_validate(struct phylink_config *config,
{
struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
__ETHTOOL_DECLARE_LINK_MODE_MASK(mac_supported) = { 0, };
- __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- int tx_cnt = priv->plat->tx_queues_to_use;
- int max_speed = priv->plat->max_speed;
-
- phylink_set(mac_supported, 10baseT_Half);
- phylink_set(mac_supported, 10baseT_Full);
- phylink_set(mac_supported, 100baseT_Half);
- phylink_set(mac_supported, 100baseT_Full);
- phylink_set(mac_supported, 1000baseT_Half);
- phylink_set(mac_supported, 1000baseT_Full);
- phylink_set(mac_supported, 1000baseKX_Full);
+ /* This is very similar to phylink_generic_validate() except that
+ * we always use PHY_INTERFACE_MODE_INTERNAL to get all capabilities.
+ * This is because we don't always have config->supported_interfaces
+ * populated (only when we have the XPCS.)
+ *
+ * When we do have an XPCS, we could pass state->interface, as XPCS
+ * limits to a subset of the ethtool link modes allowed here.
+ */
phylink_set(mac_supported, Autoneg);
- phylink_set(mac_supported, Pause);
- phylink_set(mac_supported, Asym_Pause);
phylink_set_port_modes(mac_supported);
-
- /* Cut down 1G if asked to */
- if ((max_speed > 0) && (max_speed < 1000)) {
- phylink_set(mask, 1000baseT_Full);
- phylink_set(mask, 1000baseX_Full);
- } else if (priv->plat->has_gmac4) {
- if (!max_speed || max_speed >= 2500) {
- phylink_set(mac_supported, 2500baseT_Full);
- phylink_set(mac_supported, 2500baseX_Full);
- }
- } else if (priv->plat->has_xgmac) {
- if (!max_speed || (max_speed >= 2500)) {
- phylink_set(mac_supported, 2500baseT_Full);
- phylink_set(mac_supported, 2500baseX_Full);
- }
- if (!max_speed || (max_speed >= 5000)) {
- phylink_set(mac_supported, 5000baseT_Full);
- }
- if (!max_speed || (max_speed >= 10000)) {
- phylink_set(mac_supported, 10000baseSR_Full);
- phylink_set(mac_supported, 10000baseLR_Full);
- phylink_set(mac_supported, 10000baseER_Full);
- phylink_set(mac_supported, 10000baseLRM_Full);
- phylink_set(mac_supported, 10000baseT_Full);
- phylink_set(mac_supported, 10000baseKX4_Full);
- phylink_set(mac_supported, 10000baseKR_Full);
- }
- if (!max_speed || (max_speed >= 25000)) {
- phylink_set(mac_supported, 25000baseCR_Full);
- phylink_set(mac_supported, 25000baseKR_Full);
- phylink_set(mac_supported, 25000baseSR_Full);
- }
- if (!max_speed || (max_speed >= 40000)) {
- phylink_set(mac_supported, 40000baseKR4_Full);
- phylink_set(mac_supported, 40000baseCR4_Full);
- phylink_set(mac_supported, 40000baseSR4_Full);
- phylink_set(mac_supported, 40000baseLR4_Full);
- }
- if (!max_speed || (max_speed >= 50000)) {
- phylink_set(mac_supported, 50000baseCR2_Full);
- phylink_set(mac_supported, 50000baseKR2_Full);
- phylink_set(mac_supported, 50000baseSR2_Full);
- phylink_set(mac_supported, 50000baseKR_Full);
- phylink_set(mac_supported, 50000baseSR_Full);
- phylink_set(mac_supported, 50000baseCR_Full);
- phylink_set(mac_supported, 50000baseLR_ER_FR_Full);
- phylink_set(mac_supported, 50000baseDR_Full);
- }
- if (!max_speed || (max_speed >= 100000)) {
- phylink_set(mac_supported, 100000baseKR4_Full);
- phylink_set(mac_supported, 100000baseSR4_Full);
- phylink_set(mac_supported, 100000baseCR4_Full);
- phylink_set(mac_supported, 100000baseLR4_ER4_Full);
- phylink_set(mac_supported, 100000baseKR2_Full);
- phylink_set(mac_supported, 100000baseSR2_Full);
- phylink_set(mac_supported, 100000baseCR2_Full);
- phylink_set(mac_supported, 100000baseLR2_ER2_FR2_Full);
- phylink_set(mac_supported, 100000baseDR2_Full);
- }
- }
-
- /* Half-Duplex can only work with single queue */
- if (tx_cnt > 1) {
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 1000baseT_Half);
- }
+ phylink_get_linkmodes(mac_supported, PHY_INTERFACE_MODE_INTERNAL,
+ config->mac_capabilities);
linkmode_and(supported, supported, mac_supported);
- linkmode_andnot(supported, supported, mask);
-
linkmode_and(state->advertising, state->advertising, mac_supported);
- linkmode_andnot(state->advertising, state->advertising, mask);
/* If PCS is supported, check which modes it supports. */
if (priv->hw->xpcs)
@@ -1253,6 +1180,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
{
struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
struct fwnode_handle *fwnode = of_fwnode_handle(priv->plat->phylink_node);
+ int max_speed = priv->plat->max_speed;
int mode = priv->plat->phy_interface;
struct phylink *phylink;
@@ -1266,6 +1194,37 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
if (!fwnode)
fwnode = dev_fwnode(priv->device);
+ priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100;
+
+ if (!max_speed || max_speed >= 1000)
+ priv->phylink_config.mac_capabilities |= MAC_1000;
+
+ if (priv->plat->has_gmac4) {
+ if (!max_speed || max_speed >= 2500)
+ priv->phylink_config.mac_capabilities |= MAC_2500FD;
+ } else if (priv->plat->has_xgmac) {
+ if (!max_speed || max_speed >= 2500)
+ priv->phylink_config.mac_capabilities |= MAC_2500FD;
+ if (!max_speed || max_speed >= 5000)
+ priv->phylink_config.mac_capabilities |= MAC_5000FD;
+ if (!max_speed || max_speed >= 10000)
+ priv->phylink_config.mac_capabilities |= MAC_10000FD;
+ if (!max_speed || max_speed >= 25000)
+ priv->phylink_config.mac_capabilities |= MAC_25000FD;
+ if (!max_speed || max_speed >= 40000)
+ priv->phylink_config.mac_capabilities |= MAC_40000FD;
+ if (!max_speed || max_speed >= 50000)
+ priv->phylink_config.mac_capabilities |= MAC_50000FD;
+ if (!max_speed || max_speed >= 100000)
+ priv->phylink_config.mac_capabilities |= MAC_100000FD;
+ }
+
+ /* Half-Duplex can only work with single queue */
+ if (priv->plat->tx_queues_to_use > 1)
+ priv->phylink_config.mac_capabilities &=
+ ~(MAC_10HD | MAC_100HD | MAC_1000HD);
+
phylink = phylink_create(&priv->phylink_config, fwnode,
mode, &stmmac_phylink_mac_ops);
if (IS_ERR(phylink))
--
2.30.2
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