diff options
Diffstat (limited to 'target/linux/generic/hack-5.15/795-backport-phylink_pcs-helpers.patch')
| -rw-r--r-- | target/linux/generic/hack-5.15/795-backport-phylink_pcs-helpers.patch | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/target/linux/generic/hack-5.15/795-backport-phylink_pcs-helpers.patch b/target/linux/generic/hack-5.15/795-backport-phylink_pcs-helpers.patch new file mode 100644 index 0000000000..2ccdc905a5 --- /dev/null +++ b/target/linux/generic/hack-5.15/795-backport-phylink_pcs-helpers.patch @@ -0,0 +1,150 @@ +--- a/include/linux/phylink.h ++++ b/include/linux/phylink.h +@@ -584,10 +584,37 @@ int phylink_speed_up(struct phylink *pl) + #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) + + void phylink_set_port_modes(unsigned long *bits); ++ ++/** ++ * phylink_get_link_timer_ns - return the PCS link timer value ++ * @interface: link &typedef phy_interface_t mode ++ * ++ * Return the PCS link timer setting in nanoseconds for the PHY @interface ++ * mode, or -EINVAL if not appropriate. ++ */ ++static inline int phylink_get_link_timer_ns(phy_interface_t interface) ++{ ++ switch (interface) { ++ case PHY_INTERFACE_MODE_SGMII: ++ return 1600000; ++ ++ case PHY_INTERFACE_MODE_1000BASEX: ++ case PHY_INTERFACE_MODE_2500BASEX: ++ return 10000000; ++ ++ default: ++ return -EINVAL; ++ } ++} ++ + void phylink_helper_basex_speed(struct phylink_link_state *state); + ++void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, ++ u16 bmsr, u16 lpa); + void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, + struct phylink_link_state *state); ++int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, ++ const unsigned long *advertising); + int phylink_mii_c22_pcs_set_advertisement(struct mdio_device *pcs, + phy_interface_t interface, + const unsigned long *advertising); +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -885,7 +885,6 @@ static int phylink_change_inband_advert( + + return 0; + } +- + static void phylink_mac_pcs_get_state(struct phylink *pl, + struct phylink_link_state *state) + { +@@ -2966,6 +2965,52 @@ void phylink_mii_c22_pcs_get_state(struc + EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_get_state); + + /** ++ * phylink_mii_c22_pcs_decode_state() - Decode MAC PCS state from MII registers ++ * @state: a pointer to a &struct phylink_link_state. ++ * @bmsr: The value of the %MII_BMSR register ++ * @lpa: The value of the %MII_LPA register ++ * ++ * Helper for MAC PCS supporting the 802.3 clause 22 register set for ++ * clause 37 negotiation and/or SGMII control. ++ * ++ * Parse the Clause 37 or Cisco SGMII link partner negotiation word into ++ * the phylink @state structure. This is suitable to be used for implementing ++ * the mac_pcs_get_state() member of the struct phylink_mac_ops structure if ++ * accessing @bmsr and @lpa cannot be done with MDIO directly. ++ */ ++void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, ++ u16 bmsr, u16 lpa) ++{ ++ state->link = !!(bmsr & BMSR_LSTATUS); ++ state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); ++ /* If there is no link or autonegotiation is disabled, the LP advertisement ++ * data is not meaningful, so don't go any further. ++ */ ++ if (!state->link || !state->an_enabled) ++ return; ++ ++ switch (state->interface) { ++ case PHY_INTERFACE_MODE_1000BASEX: ++ phylink_decode_c37_word(state, lpa, SPEED_1000); ++ break; ++ ++ case PHY_INTERFACE_MODE_2500BASEX: ++ phylink_decode_c37_word(state, lpa, SPEED_2500); ++ break; ++ ++ case PHY_INTERFACE_MODE_SGMII: ++ case PHY_INTERFACE_MODE_QSGMII: ++ phylink_decode_sgmii_word(state, lpa); ++ break; ++ ++ default: ++ state->link = false; ++ break; ++ } ++} ++EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_decode_state); ++ ++/** + * phylink_mii_c22_pcs_set_advertisement() - configure the clause 37 PCS + * advertisement + * @pcs: a pointer to a &struct mdio_device. +@@ -3037,6 +3082,46 @@ int phylink_mii_c22_pcs_set_advertisemen + EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_set_advertisement); + + /** ++ * phylink_mii_c22_pcs_encode_advertisement() - configure the clause 37 PCS ++ * advertisement ++ * @interface: the PHY interface mode being configured ++ * @advertising: the ethtool advertisement mask ++ * ++ * Helper for MAC PCS supporting the 802.3 clause 22 register set for ++ * clause 37 negotiation and/or SGMII control. ++ * ++ * Encode the clause 37 PCS advertisement as specified by @interface and ++ * @advertising. ++ * ++ * Return: The new value for @adv, or ``-EINVAL`` if it should not be changed. ++ */ ++int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, ++ const unsigned long *advertising) ++{ ++ u16 adv; ++ ++ switch (interface) { ++ case PHY_INTERFACE_MODE_1000BASEX: ++ case PHY_INTERFACE_MODE_2500BASEX: ++ adv = ADVERTISE_1000XFULL; ++ if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, ++ advertising)) ++ adv |= ADVERTISE_1000XPAUSE; ++ if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, ++ advertising)) ++ adv |= ADVERTISE_1000XPSE_ASYM; ++ return adv; ++ case PHY_INTERFACE_MODE_SGMII: ++ case PHY_INTERFACE_MODE_QSGMII: ++ return 0x0001; ++ default: ++ /* Nothing to do for other modes */ ++ return -EINVAL; ++ } ++} ++EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_encode_advertisement); ++ ++/** + * phylink_mii_c22_pcs_config() - configure clause 22 PCS + * @pcs: a pointer to a &struct mdio_device. + * @mode: link autonegotiation mode |