diff options
Diffstat (limited to 'include/linux/mii.h')
| -rw-r--r-- | include/linux/mii.h | 144 |
1 files changed, 75 insertions, 69 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h index 18c6208f56fc..d5a959ce4877 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -32,7 +32,7 @@ struct mii_if_info { extern int mii_link_ok (struct mii_if_info *mii); extern int mii_nway_restart (struct mii_if_info *mii); -extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); +extern void mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); extern void mii_ethtool_get_link_ksettings( struct mii_if_info *mii, struct ethtool_link_ksettings *cmd); extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); @@ -355,74 +355,6 @@ static inline u32 mii_adv_to_ethtool_adv_x(u32 adv) } /** - * mii_lpa_to_ethtool_lpa_x - * @adv: value of the MII_LPA register - * - * A small helper function that translates MII_LPA - * bits, when in 1000Base-X mode, to ethtool - * LP advertisement settings. - */ -static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa) -{ - u32 result = 0; - - if (lpa & LPA_LPACK) - result |= ADVERTISED_Autoneg; - - return result | mii_adv_to_ethtool_adv_x(lpa); -} - -/** - * mii_lpa_mod_linkmode_adv_sgmii - * @lp_advertising: pointer to destination link mode. - * @lpa: value of the MII_LPA register - * - * A small helper function that translates MII_LPA bits to - * linkmode advertisement settings for SGMII. - * Leaves other bits unchanged. - */ -static inline void -mii_lpa_mod_linkmode_lpa_sgmii(unsigned long *lp_advertising, u32 lpa) -{ - u32 speed_duplex = lpa & LPA_SGMII_DPX_SPD_MASK; - - linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, lp_advertising, - speed_duplex == LPA_SGMII_1000HALF); - - linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, lp_advertising, - speed_duplex == LPA_SGMII_1000FULL); - - linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, lp_advertising, - speed_duplex == LPA_SGMII_100HALF); - - linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, lp_advertising, - speed_duplex == LPA_SGMII_100FULL); - - linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, lp_advertising, - speed_duplex == LPA_SGMII_10HALF); - - linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, lp_advertising, - speed_duplex == LPA_SGMII_10FULL); -} - -/** - * mii_lpa_to_linkmode_adv_sgmii - * @advertising: pointer to destination link mode. - * @lpa: value of the MII_LPA register - * - * A small helper function that translates MII_ADVERTISE bits - * to linkmode advertisement settings when in SGMII mode. - * Clears the old value of advertising. - */ -static inline void mii_lpa_to_linkmode_lpa_sgmii(unsigned long *lp_advertising, - u32 lpa) -{ - linkmode_zero(lp_advertising); - - mii_lpa_mod_linkmode_lpa_sgmii(lp_advertising, lpa); -} - -/** * mii_adv_mod_linkmode_adv_t * @advertising:pointer to destination link mode. * @adv: value of the MII_ADVERTISE register @@ -536,6 +468,45 @@ static inline u32 linkmode_adv_to_lcl_adv_t(unsigned long *advertising) } /** + * mii_lpa_mod_linkmode_x - decode the link partner's config_reg to linkmodes + * @linkmodes: link modes array + * @lpa: config_reg word from link partner + * @fd_bit: link mode for 1000XFULL bit + */ +static inline void mii_lpa_mod_linkmode_x(unsigned long *linkmodes, u16 lpa, + int fd_bit) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, linkmodes, + lpa & LPA_LPACK); + linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes, + lpa & LPA_1000XPAUSE); + linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, linkmodes, + lpa & LPA_1000XPAUSE_ASYM); + linkmode_mod_bit(fd_bit, linkmodes, + lpa & LPA_1000XFULL); +} + +/** + * linkmode_adv_to_mii_adv_x - encode a linkmode to config_reg + * @linkmodes: linkmodes + * @fd_bit: full duplex bit + */ +static inline u16 linkmode_adv_to_mii_adv_x(const unsigned long *linkmodes, + int fd_bit) +{ + u16 adv = 0; + + if (linkmode_test_bit(fd_bit, linkmodes)) + adv |= ADVERTISE_1000XFULL; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes)) + adv |= ADVERTISE_1000XPAUSE; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, linkmodes)) + adv |= ADVERTISE_1000XPSE_ASYM; + + return adv; +} + +/** * mii_advertise_flowctrl - get flow control advertisement flags * @cap: Flow control capabilities (FLOW_CTRL_RX, FLOW_CTRL_TX or both) */ @@ -574,4 +545,39 @@ static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv) return cap; } +/** + * mii_bmcr_encode_fixed - encode fixed speed/duplex settings to a BMCR value + * @speed: a SPEED_* value + * @duplex: a DUPLEX_* value + * + * Encode the speed and duplex to a BMCR value. 2500, 1000, 100 and 10 Mbps are + * supported. 2500Mbps is encoded to 1000Mbps. Other speeds are encoded as 10 + * Mbps. Unknown duplex values are encoded to half-duplex. + */ +static inline u16 mii_bmcr_encode_fixed(int speed, int duplex) +{ + u16 bmcr; + + switch (speed) { + case SPEED_2500: + case SPEED_1000: + bmcr = BMCR_SPEED1000; + break; + + case SPEED_100: + bmcr = BMCR_SPEED100; + break; + + case SPEED_10: + default: + bmcr = BMCR_SPEED10; + break; + } + + if (duplex == DUPLEX_FULL) + bmcr |= BMCR_FULLDPLX; + + return bmcr; +} + #endif /* __LINUX_MII_H__ */ |