diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port.c | 148 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port_common.c | 148 |
2 files changed, 148 insertions, 148 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c index 109c86dd130d..d811753782dc 100644 --- a/drivers/net/ethernet/sfc/mcdi_port.c +++ b/drivers/net/ethernet/sfc/mcdi_port.c @@ -69,154 +69,6 @@ static int efx_mcdi_mdio_write(struct net_device *net_dev, return 0; } -u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset) -{ - u32 result = 0; - - #define TEST_BIT(name) test_bit(ETHTOOL_LINK_MODE_ ## name ## _BIT, \ - linkset) - - if (TEST_BIT(10baseT_Half)) - result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN); - if (TEST_BIT(10baseT_Full)) - result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN); - if (TEST_BIT(100baseT_Half)) - result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN); - if (TEST_BIT(100baseT_Full)) - result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN); - if (TEST_BIT(1000baseT_Half)) - result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN); - if (TEST_BIT(1000baseT_Full) || TEST_BIT(1000baseKX_Full)) - result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN); - if (TEST_BIT(10000baseT_Full) || TEST_BIT(10000baseKX4_Full)) - result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN); - if (TEST_BIT(40000baseCR4_Full) || TEST_BIT(40000baseKR4_Full)) - result |= (1 << MC_CMD_PHY_CAP_40000FDX_LBN); - if (TEST_BIT(100000baseCR4_Full)) - result |= (1 << MC_CMD_PHY_CAP_100000FDX_LBN); - if (TEST_BIT(25000baseCR_Full)) - result |= (1 << MC_CMD_PHY_CAP_25000FDX_LBN); - if (TEST_BIT(50000baseCR2_Full)) - result |= (1 << MC_CMD_PHY_CAP_50000FDX_LBN); - if (TEST_BIT(Pause)) - result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN); - if (TEST_BIT(Asym_Pause)) - result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN); - if (TEST_BIT(Autoneg)) - result |= (1 << MC_CMD_PHY_CAP_AN_LBN); - - #undef TEST_BIT - - return result; -} - -u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) -{ - struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; - enum efx_phy_mode mode, supported; - u32 flags; - - /* TODO: Advertise the capabilities supported by this PHY */ - supported = 0; - if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN)) - supported |= PHY_MODE_TX_DISABLED; - if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN)) - supported |= PHY_MODE_LOW_POWER; - if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN)) - supported |= PHY_MODE_OFF; - - mode = efx->phy_mode & supported; - - flags = 0; - if (mode & PHY_MODE_TX_DISABLED) - flags |= (1 << MC_CMD_SET_LINK_IN_TXDIS_LBN); - if (mode & PHY_MODE_LOW_POWER) - flags |= (1 << MC_CMD_SET_LINK_IN_LOWPOWER_LBN); - if (mode & PHY_MODE_OFF) - flags |= (1 << MC_CMD_SET_LINK_IN_POWEROFF_LBN); - - return flags; -} - -u8 mcdi_to_ethtool_media(u32 media) -{ - switch (media) { - case MC_CMD_MEDIA_XAUI: - case MC_CMD_MEDIA_CX4: - case MC_CMD_MEDIA_KX4: - return PORT_OTHER; - - case MC_CMD_MEDIA_XFP: - case MC_CMD_MEDIA_SFP_PLUS: - case MC_CMD_MEDIA_QSFP_PLUS: - return PORT_FIBRE; - - case MC_CMD_MEDIA_BASE_T: - return PORT_TP; - - default: - return PORT_OTHER; - } -} - -/* The semantics of the ethtool FEC mode bitmask are not well defined, - * particularly the meaning of combinations of bits. Which means we get to - * define our own semantics, as follows: - * OFF overrides any other bits, and means "disable all FEC" (with the - * exception of 25G KR4/CR4, where it is not possible to reject it if AN - * partner requests it). - * AUTO on its own means use cable requirements and link partner autoneg with - * fw-default preferences for the cable type. - * AUTO and either RS or BASER means use the specified FEC type if cable and - * link partner support it, otherwise autoneg/fw-default. - * RS or BASER alone means use the specified FEC type if cable and link partner - * support it and either requests it, otherwise no FEC. - * Both RS and BASER (whether AUTO or not) means use FEC if cable and link - * partner support it, preferring RS to BASER. - */ -u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap) -{ - u32 ret = 0; - - if (ethtool_cap & ETHTOOL_FEC_OFF) - return 0; - - if (ethtool_cap & ETHTOOL_FEC_AUTO) - ret |= (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN) | - (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) | - (1 << MC_CMD_PHY_CAP_RS_FEC_LBN); - if (ethtool_cap & ETHTOOL_FEC_RS) - ret |= (1 << MC_CMD_PHY_CAP_RS_FEC_LBN) | - (1 << MC_CMD_PHY_CAP_RS_FEC_REQUESTED_LBN); - if (ethtool_cap & ETHTOOL_FEC_BASER) - ret |= (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN) | - (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) | - (1 << MC_CMD_PHY_CAP_BASER_FEC_REQUESTED_LBN) | - (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_REQUESTED_LBN); - return ret; -} - -/* Invert ethtool_fec_caps_to_mcdi. There are two combinations that function - * can never produce, (baser xor rs) and neither req; the implementation below - * maps both of those to AUTO. This should never matter, and it's not clear - * what a better mapping would be anyway. - */ -u32 mcdi_fec_caps_to_ethtool(u32 caps, bool is_25g) -{ - bool rs = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_LBN), - rs_req = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_REQUESTED_LBN), - baser = is_25g ? caps & (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) - : caps & (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN), - baser_req = is_25g ? caps & (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_REQUESTED_LBN) - : caps & (1 << MC_CMD_PHY_CAP_BASER_FEC_REQUESTED_LBN); - - if (!baser && !rs) - return ETHTOOL_FEC_OFF; - return (rs_req ? ETHTOOL_FEC_RS : 0) | - (baser_req ? ETHTOOL_FEC_BASER : 0) | - (baser == baser_req && rs == rs_req ? 0 : ETHTOOL_FEC_AUTO); -} - static int efx_mcdi_phy_probe(struct efx_nic *efx) { struct efx_mcdi_phy_data *phy_data; diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.c b/drivers/net/ethernet/sfc/mcdi_port_common.c index 0ba7b5a47d99..9763d59f7681 100644 --- a/drivers/net/ethernet/sfc/mcdi_port_common.c +++ b/drivers/net/ethernet/sfc/mcdi_port_common.c @@ -173,6 +173,96 @@ void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset) #undef SET_BIT } +u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset) +{ + u32 result = 0; + + #define TEST_BIT(name) test_bit(ETHTOOL_LINK_MODE_ ## name ## _BIT, \ + linkset) + + if (TEST_BIT(10baseT_Half)) + result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN); + if (TEST_BIT(10baseT_Full)) + result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN); + if (TEST_BIT(100baseT_Half)) + result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN); + if (TEST_BIT(100baseT_Full)) + result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN); + if (TEST_BIT(1000baseT_Half)) + result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN); + if (TEST_BIT(1000baseT_Full) || TEST_BIT(1000baseKX_Full)) + result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN); + if (TEST_BIT(10000baseT_Full) || TEST_BIT(10000baseKX4_Full)) + result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN); + if (TEST_BIT(40000baseCR4_Full) || TEST_BIT(40000baseKR4_Full)) + result |= (1 << MC_CMD_PHY_CAP_40000FDX_LBN); + if (TEST_BIT(100000baseCR4_Full)) + result |= (1 << MC_CMD_PHY_CAP_100000FDX_LBN); + if (TEST_BIT(25000baseCR_Full)) + result |= (1 << MC_CMD_PHY_CAP_25000FDX_LBN); + if (TEST_BIT(50000baseCR2_Full)) + result |= (1 << MC_CMD_PHY_CAP_50000FDX_LBN); + if (TEST_BIT(Pause)) + result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN); + if (TEST_BIT(Asym_Pause)) + result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN); + if (TEST_BIT(Autoneg)) + result |= (1 << MC_CMD_PHY_CAP_AN_LBN); + + #undef TEST_BIT + + return result; +} + +u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) +{ + struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; + enum efx_phy_mode mode, supported; + u32 flags; + + /* TODO: Advertise the capabilities supported by this PHY */ + supported = 0; + if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_TXDIS_LBN)) + supported |= PHY_MODE_TX_DISABLED; + if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_LOWPOWER_LBN)) + supported |= PHY_MODE_LOW_POWER; + if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_OUT_POWEROFF_LBN)) + supported |= PHY_MODE_OFF; + + mode = efx->phy_mode & supported; + + flags = 0; + if (mode & PHY_MODE_TX_DISABLED) + flags |= (1 << MC_CMD_SET_LINK_IN_TXDIS_LBN); + if (mode & PHY_MODE_LOW_POWER) + flags |= (1 << MC_CMD_SET_LINK_IN_LOWPOWER_LBN); + if (mode & PHY_MODE_OFF) + flags |= (1 << MC_CMD_SET_LINK_IN_POWEROFF_LBN); + + return flags; +} + +u8 mcdi_to_ethtool_media(u32 media) +{ + switch (media) { + case MC_CMD_MEDIA_XAUI: + case MC_CMD_MEDIA_CX4: + case MC_CMD_MEDIA_KX4: + return PORT_OTHER; + + case MC_CMD_MEDIA_XFP: + case MC_CMD_MEDIA_SFP_PLUS: + case MC_CMD_MEDIA_QSFP_PLUS: + return PORT_FIBRE; + + case MC_CMD_MEDIA_BASE_T: + return PORT_TP; + + default: + return PORT_OTHER; + } +} + void efx_mcdi_phy_decode_link(struct efx_nic *efx, struct efx_link_state *link_state, u32 speed, u32 flags, u32 fcntl) @@ -200,3 +290,61 @@ void efx_mcdi_phy_decode_link(struct efx_nic *efx, link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN)); link_state->speed = speed; } + +/* The semantics of the ethtool FEC mode bitmask are not well defined, + * particularly the meaning of combinations of bits. Which means we get to + * define our own semantics, as follows: + * OFF overrides any other bits, and means "disable all FEC" (with the + * exception of 25G KR4/CR4, where it is not possible to reject it if AN + * partner requests it). + * AUTO on its own means use cable requirements and link partner autoneg with + * fw-default preferences for the cable type. + * AUTO and either RS or BASER means use the specified FEC type if cable and + * link partner support it, otherwise autoneg/fw-default. + * RS or BASER alone means use the specified FEC type if cable and link partner + * support it and either requests it, otherwise no FEC. + * Both RS and BASER (whether AUTO or not) means use FEC if cable and link + * partner support it, preferring RS to BASER. + */ +u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap) +{ + u32 ret = 0; + + if (ethtool_cap & ETHTOOL_FEC_OFF) + return 0; + + if (ethtool_cap & ETHTOOL_FEC_AUTO) + ret |= (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN) | + (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) | + (1 << MC_CMD_PHY_CAP_RS_FEC_LBN); + if (ethtool_cap & ETHTOOL_FEC_RS) + ret |= (1 << MC_CMD_PHY_CAP_RS_FEC_LBN) | + (1 << MC_CMD_PHY_CAP_RS_FEC_REQUESTED_LBN); + if (ethtool_cap & ETHTOOL_FEC_BASER) + ret |= (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN) | + (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) | + (1 << MC_CMD_PHY_CAP_BASER_FEC_REQUESTED_LBN) | + (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_REQUESTED_LBN); + return ret; +} + +/* Invert ethtool_fec_caps_to_mcdi. There are two combinations that function + * can never produce, (baser xor rs) and neither req; the implementation below + * maps both of those to AUTO. This should never matter, and it's not clear + * what a better mapping would be anyway. + */ +u32 mcdi_fec_caps_to_ethtool(u32 caps, bool is_25g) +{ + bool rs = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_LBN), + rs_req = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_REQUESTED_LBN), + baser = is_25g ? caps & (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_LBN) + : caps & (1 << MC_CMD_PHY_CAP_BASER_FEC_LBN), + baser_req = is_25g ? caps & (1 << MC_CMD_PHY_CAP_25G_BASER_FEC_REQUESTED_LBN) + : caps & (1 << MC_CMD_PHY_CAP_BASER_FEC_REQUESTED_LBN); + + if (!baser && !rs) + return ETHTOOL_FEC_OFF; + return (rs_req ? ETHTOOL_FEC_RS : 0) | + (baser_req ? ETHTOOL_FEC_BASER : 0) | + (baser == baser_req && rs == rs_req ? 0 : ETHTOOL_FEC_AUTO); +} |