diff options
Diffstat (limited to 'pkgs/patches-linux-5.15/780-v5.16-1-net-phylink-add-generic-validate-implementation.patch')
| -rw-r--r-- | pkgs/patches-linux-5.15/780-v5.16-1-net-phylink-add-generic-validate-implementation.patch | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/780-v5.16-1-net-phylink-add-generic-validate-implementation.patch b/pkgs/patches-linux-5.15/780-v5.16-1-net-phylink-add-generic-validate-implementation.patch new file mode 100644 index 0000000..22a25f4 --- /dev/null +++ b/pkgs/patches-linux-5.15/780-v5.16-1-net-phylink-add-generic-validate-implementation.patch @@ -0,0 +1,348 @@ +From 792d0a8e185e3ef101e2644503a0828246c8a5b3 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Mon, 15 Nov 2021 10:00:27 +0000 +Subject: [PATCH 1/3] net: phylink: add generic validate implementation + +Add a generic validate() implementation using the supported_interfaces +and a bitmask of MAC pause/speed/duplex capabilities. This allows us +to entirely eliminate many driver private validate() implementations. + +We expose the underlying phylink_get_linkmodes() function so that +drivers which have special needs can still benefit from conversion. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/phy/phylink.c | 252 ++++++++++++++++++++++++++++++++++++++ + include/linux/phylink.h | 31 +++++ + 2 files changed, 283 insertions(+) + +diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c +index 0720f05ecb02..3e1d7dea616d 100644 +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -167,6 +167,258 @@ static const char *phylink_an_mode_str(unsigned int mode) + return mode < ARRAY_SIZE(modestr) ? modestr[mode] : "unknown"; + } + ++static void phylink_caps_to_linkmodes(unsigned long *linkmodes, ++ unsigned long caps) ++{ ++ if (caps & MAC_SYM_PAUSE) ++ __set_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes); ++ ++ if (caps & MAC_ASYM_PAUSE) ++ __set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, linkmodes); ++ ++ if (caps & MAC_10HD) ++ __set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, linkmodes); ++ ++ if (caps & MAC_10FD) ++ __set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, linkmodes); ++ ++ if (caps & MAC_100HD) { ++ __set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100baseFX_Half_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_100FD) { ++ __set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100baseFX_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_1000HD) ++ __set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, linkmodes); ++ ++ if (caps & MAC_1000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_2500FD) { ++ __set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_5000FD) ++ __set_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, linkmodes); ++ ++ if (caps & MAC_10000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_10000baseER_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_25000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_40000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_50000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_50000baseDR_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_56000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_100000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseKR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseSR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseCR_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_100000baseDR_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_200000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT, linkmodes); ++ } ++ ++ if (caps & MAC_400000FD) { ++ __set_bit(ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT, ++ linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT, linkmodes); ++ __set_bit(ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT, linkmodes); ++ } ++} ++ ++/** ++ * phylink_get_linkmodes() - get acceptable link modes ++ * @linkmodes: ethtool linkmode mask (must be already initialised) ++ * @interface: phy interface mode defined by &typedef phy_interface_t ++ * @mac_capabilities: bitmask of MAC capabilities ++ * ++ * Set all possible pause, speed and duplex linkmodes in @linkmodes that ++ * are supported by the @interface mode and @mac_capabilities. @linkmodes ++ * must have been initialised previously. ++ */ ++void phylink_get_linkmodes(unsigned long *linkmodes, phy_interface_t interface, ++ unsigned long mac_capabilities) ++{ ++ unsigned long caps = MAC_SYM_PAUSE | MAC_ASYM_PAUSE; ++ ++ switch (interface) { ++ case PHY_INTERFACE_MODE_USXGMII: ++ caps |= MAC_10000FD | MAC_5000FD | MAC_2500FD; ++ fallthrough; ++ ++ case PHY_INTERFACE_MODE_RGMII_TXID: ++ case PHY_INTERFACE_MODE_RGMII_RXID: ++ case PHY_INTERFACE_MODE_RGMII_ID: ++ case PHY_INTERFACE_MODE_RGMII: ++ case PHY_INTERFACE_MODE_QSGMII: ++ case PHY_INTERFACE_MODE_SGMII: ++ case PHY_INTERFACE_MODE_GMII: ++ caps |= MAC_1000HD | MAC_1000FD; ++ fallthrough; ++ ++ case PHY_INTERFACE_MODE_REVRMII: ++ case PHY_INTERFACE_MODE_RMII: ++ case PHY_INTERFACE_MODE_REVMII: ++ case PHY_INTERFACE_MODE_MII: ++ caps |= MAC_10HD | MAC_10FD; ++ fallthrough; ++ ++ case PHY_INTERFACE_MODE_100BASEX: ++ caps |= MAC_100HD | MAC_100FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_TBI: ++ case PHY_INTERFACE_MODE_MOCA: ++ case PHY_INTERFACE_MODE_RTBI: ++ case PHY_INTERFACE_MODE_1000BASEX: ++ caps |= MAC_1000HD; ++ fallthrough; ++ case PHY_INTERFACE_MODE_TRGMII: ++ caps |= MAC_1000FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_2500BASEX: ++ caps |= MAC_2500FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_5GBASER: ++ caps |= MAC_5000FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_XGMII: ++ case PHY_INTERFACE_MODE_RXAUI: ++ case PHY_INTERFACE_MODE_XAUI: ++ case PHY_INTERFACE_MODE_10GBASER: ++ case PHY_INTERFACE_MODE_10GKR: ++ caps |= MAC_10000FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_25GBASER: ++ caps |= MAC_25000FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_XLGMII: ++ caps |= MAC_40000FD; ++ break; ++ ++ case PHY_INTERFACE_MODE_INTERNAL: ++ caps |= ~0; ++ break; ++ ++ case PHY_INTERFACE_MODE_NA: ++ case PHY_INTERFACE_MODE_MAX: ++ case PHY_INTERFACE_MODE_SMII: ++ break; ++ } ++ ++ phylink_caps_to_linkmodes(linkmodes, caps & mac_capabilities); ++} ++EXPORT_SYMBOL_GPL(phylink_get_linkmodes); ++ ++/** ++ * phylink_generic_validate() - generic validate() callback implementation ++ * @config: a pointer to a &struct phylink_config. ++ * @supported: ethtool bitmask for supported link modes. ++ * @state: a pointer to a &struct phylink_link_state. ++ * ++ * Generic implementation of the validate() callback that MAC drivers can ++ * use when they pass the range of supported interfaces and MAC capabilities. ++ * This makes use of phylink_get_linkmodes(). ++ */ ++void phylink_generic_validate(struct phylink_config *config, ++ unsigned long *supported, ++ struct phylink_link_state *state) ++{ ++ __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; ++ ++ phylink_set_port_modes(mask); ++ phylink_set(mask, Autoneg); ++ phylink_get_linkmodes(mask, state->interface, config->mac_capabilities); ++ ++ linkmode_and(supported, supported, mask); ++ linkmode_and(state->advertising, state->advertising, mask); ++} ++EXPORT_SYMBOL_GPL(phylink_generic_validate); ++ + static int phylink_validate_any(struct phylink *pl, unsigned long *supported, + struct phylink_link_state *state) + { +diff --git a/include/linux/phylink.h b/include/linux/phylink.h +index f037470b6fb3..3563820a1765 100644 +--- a/include/linux/phylink.h ++++ b/include/linux/phylink.h +@@ -20,6 +20,29 @@ enum { + MLO_AN_PHY = 0, /* Conventional PHY */ + MLO_AN_FIXED, /* Fixed-link mode */ + MLO_AN_INBAND, /* In-band protocol */ ++ ++ MAC_SYM_PAUSE = BIT(0), ++ MAC_ASYM_PAUSE = BIT(1), ++ MAC_10HD = BIT(2), ++ MAC_10FD = BIT(3), ++ MAC_10 = MAC_10HD | MAC_10FD, ++ MAC_100HD = BIT(4), ++ MAC_100FD = BIT(5), ++ MAC_100 = MAC_100HD | MAC_100FD, ++ MAC_1000HD = BIT(6), ++ MAC_1000FD = BIT(7), ++ MAC_1000 = MAC_1000HD | MAC_1000FD, ++ MAC_2500FD = BIT(8), ++ MAC_5000FD = BIT(9), ++ MAC_10000FD = BIT(10), ++ MAC_20000FD = BIT(11), ++ MAC_25000FD = BIT(12), ++ MAC_40000FD = BIT(13), ++ MAC_50000FD = BIT(14), ++ MAC_56000FD = BIT(15), ++ MAC_100000FD = BIT(16), ++ MAC_200000FD = BIT(17), ++ MAC_400000FD = BIT(18), + }; + + static inline bool phylink_autoneg_inband(unsigned int mode) +@@ -69,6 +92,7 @@ enum phylink_op_type { + * if MAC link is at %MLO_AN_FIXED mode. + * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx + * are supported by the MAC/PCS. ++ * @mac_capabilities: MAC pause/speed/duplex capabilities. + */ + struct phylink_config { + struct device *dev; +@@ -79,6 +103,7 @@ struct phylink_config { + void (*get_fixed_state)(struct phylink_config *config, + struct phylink_link_state *state); + DECLARE_PHY_INTERFACE_MASK(supported_interfaces); ++ unsigned long mac_capabilities; + }; + + /** +@@ -442,6 +467,12 @@ void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, int speed, int duplex); + #endif + ++void phylink_get_linkmodes(unsigned long *linkmodes, phy_interface_t interface, ++ unsigned long mac_capabilities); ++void phylink_generic_validate(struct phylink_config *config, ++ unsigned long *supported, ++ struct phylink_link_state *state); ++ + struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, + phy_interface_t iface, + const struct phylink_mac_ops *mac_ops); +-- +2.35.1 + |