diff options
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
| -rw-r--r-- | drivers/net/sfc/tenxpress.c | 213 |
1 files changed, 77 insertions, 136 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index 9ecb77da9545..f0efd246962c 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -67,6 +67,8 @@ #define PMA_PMD_EXT_CLK312_WIDTH 1 #define PMA_PMD_EXT_LPOWER_LBN 12 #define PMA_PMD_EXT_LPOWER_WIDTH 1 +#define PMA_PMD_EXT_ROBUST_LBN 14 +#define PMA_PMD_EXT_ROBUST_WIDTH 1 #define PMA_PMD_EXT_SSR_LBN 15 #define PMA_PMD_EXT_SSR_WIDTH 1 @@ -177,35 +179,24 @@ #define C22EXT_STATUS_LINK_LBN 2 #define C22EXT_STATUS_LINK_WIDTH 1 -#define C22EXT_MSTSLV_REG 49162 -#define C22EXT_MSTSLV_1000_HD_LBN 10 -#define C22EXT_MSTSLV_1000_HD_WIDTH 1 -#define C22EXT_MSTSLV_1000_FD_LBN 11 -#define C22EXT_MSTSLV_1000_FD_WIDTH 1 +#define C22EXT_MSTSLV_CTRL 49161 +#define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN 8 +#define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN 9 + +#define C22EXT_MSTSLV_STATUS 49162 +#define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN 10 +#define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN 11 /* Time to wait between powering down the LNPGA and turning off the power * rails */ #define LNPGA_PDOWN_WAIT (HZ / 5) -static int crc_error_reset_threshold = 100; -module_param(crc_error_reset_threshold, int, 0644); -MODULE_PARM_DESC(crc_error_reset_threshold, - "Max number of CRC errors before XAUI reset"); - struct tenxpress_phy_data { enum efx_loopback_mode loopback_mode; - atomic_t bad_crc_count; enum efx_phy_mode phy_mode; int bad_lp_tries; }; -void tenxpress_crc_err(struct efx_nic *efx) -{ - struct tenxpress_phy_data *phy_data = efx->phy_data; - if (phy_data != NULL) - atomic_inc(&phy_data->bad_crc_count); -} - static ssize_t show_phy_short_reach(struct device *dev, struct device_attribute *attr, char *buf) { @@ -284,7 +275,9 @@ static int tenxpress_init(struct efx_nic *efx) PMA_PMD_XCONTROL_REG); reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) | (1 << PMA_PMD_EXT_CLK_OUT_LBN) | - (1 << PMA_PMD_EXT_CLK312_LBN)); + (1 << PMA_PMD_EXT_CLK312_LBN) | + (1 << PMA_PMD_EXT_ROBUST_LBN)); + mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg); mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, @@ -346,6 +339,7 @@ static int tenxpress_phy_init(struct efx_nic *efx) rc = tenxpress_init(efx); if (rc < 0) goto fail; + mdio_clause45_set_pause(efx); if (efx->phy_type == PHY_TYPE_SFT9001B) { rc = device_create_file(&efx->pci_dev->dev, @@ -376,8 +370,8 @@ static int tenxpress_special_reset(struct efx_nic *efx) /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so * a special software reset can glitch the XGMAC sufficiently for stats - * requests to fail. Since we don't often special_reset, just lock. */ - spin_lock(&efx->stats_lock); + * requests to fail. */ + efx_stats_disable(efx); /* Initiate reset */ reg = mdio_clause45_read(efx, efx->mii.phy_id, @@ -392,17 +386,17 @@ static int tenxpress_special_reset(struct efx_nic *efx) rc = mdio_clause45_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS); if (rc < 0) - goto unlock; + goto out; /* Try and reconfigure the device */ rc = tenxpress_init(efx); if (rc < 0) - goto unlock; + goto out; /* Wait for the XGXS state machine to churn */ mdelay(10); -unlock: - spin_unlock(&efx->stats_lock); +out: + efx_stats_enable(efx); return rc; } @@ -520,7 +514,7 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) { struct tenxpress_phy_data *phy_data = efx->phy_data; struct ethtool_cmd ecmd; - bool phy_mode_change, loop_reset, loop_toggle, loopback; + bool phy_mode_change, loop_reset; if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) { phy_data->phy_mode = efx->phy_mode; @@ -531,12 +525,10 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL && phy_data->phy_mode != PHY_MODE_NORMAL); - loopback = LOOPBACK_MASK(efx) & efx->phy_op->loopbacks; - loop_toggle = LOOPBACK_CHANGED(phy_data, efx, efx->phy_op->loopbacks); loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) || LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY)); - if (loop_reset || loop_toggle || loopback || phy_mode_change) { + if (loop_reset || phy_mode_change) { int rc; efx->phy_op->get_settings(efx, &ecmd); @@ -551,20 +543,6 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) falcon_reset_xaui(efx); } - if (efx->phy_type != PHY_TYPE_SFX7101) { - /* Only change autoneg once, on coming out or - * going into loopback */ - if (loop_toggle) - ecmd.autoneg = !loopback; - if (loopback) { - ecmd.duplex = DUPLEX_FULL; - if (efx->loopback_mode == LOOPBACK_GPHY) - ecmd.speed = SPEED_1000; - else - ecmd.speed = SPEED_10000; - } - } - rc = efx->phy_op->set_settings(efx, &ecmd); WARN_ON(rc); } @@ -623,13 +601,6 @@ static void tenxpress_phy_poll(struct efx_nic *efx) if (phy_data->phy_mode != PHY_MODE_NORMAL) return; - - if (EFX_WORKAROUND_10750(efx) && - atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) { - EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n"); - falcon_reset_xaui(efx); - atomic_set(&phy_data->bad_crc_count, 0); - } } static void tenxpress_phy_fini(struct efx_nic *efx) @@ -772,107 +743,76 @@ reset: return rc; } -static u32 tenxpress_get_xnp_lpa(struct efx_nic *efx) +static void +tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) { - int phy = efx->mii.phy_id; - u32 lpa = 0; + int phy_id = efx->mii.phy_id; + u32 adv = 0, lpa = 0; int reg; if (efx->phy_type != PHY_TYPE_SFX7101) { - reg = mdio_clause45_read(efx, phy, MDIO_MMD_C22EXT, - C22EXT_MSTSLV_REG); - if (reg & (1 << C22EXT_MSTSLV_1000_HD_LBN)) + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_CTRL); + if (reg & (1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN)) + adv |= ADVERTISED_1000baseT_Full; + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_STATUS); + if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN)) lpa |= ADVERTISED_1000baseT_Half; - if (reg & (1 << C22EXT_MSTSLV_1000_FD_LBN)) + if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN)) lpa |= ADVERTISED_1000baseT_Full; } - reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS); + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL); + if (reg & (1 << MDIO_AN_10GBT_CTRL_ADV_10G_LBN)) + adv |= ADVERTISED_10000baseT_Full; + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_STATUS); if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN)) lpa |= ADVERTISED_10000baseT_Full; - return lpa; -} -static void sfx7101_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) -{ - mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full, - tenxpress_get_xnp_lpa(efx)); - ecmd->supported |= SUPPORTED_10000baseT_Full; - ecmd->advertising |= ADVERTISED_10000baseT_Full; + mdio_clause45_get_settings_ext(efx, ecmd, adv, lpa); + + if (efx->phy_type != PHY_TYPE_SFX7101) + ecmd->supported |= (SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Full); + + /* In loopback, the PHY automatically brings up the correct interface, + * but doesn't advertise the correct speed. So override it */ + if (efx->loopback_mode == LOOPBACK_GPHY) + ecmd->speed = SPEED_1000; + else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks) + ecmd->speed = SPEED_10000; } -static void sft9001_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) +static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) { - int phy_id = efx->mii.phy_id; - u32 xnp_adv = 0; - int reg; - - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG); - if (EFX_WORKAROUND_13204(efx) && (reg & (1 << PMA_PMD_100TX_ADV_LBN))) - xnp_adv |= ADVERTISED_100baseT_Full; - if (reg & (1 << PMA_PMD_1000T_ADV_LBN)) - xnp_adv |= ADVERTISED_1000baseT_Full; - if (reg & (1 << PMA_PMD_10000T_ADV_LBN)) - xnp_adv |= ADVERTISED_10000baseT_Full; - - mdio_clause45_get_settings_ext(efx, ecmd, xnp_adv, - tenxpress_get_xnp_lpa(efx)); - - ecmd->supported |= (SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full); + if (!ecmd->autoneg) + return -EINVAL; - /* Use the vendor defined C22ext register for duplex settings */ - if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG); - ecmd->duplex = (reg & (1 << GPHY_DUPLEX_LBN) ? - DUPLEX_FULL : DUPLEX_HALF); - } + return mdio_clause45_set_settings(efx, ecmd); } -static int sft9001_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) +static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising) { - int phy_id = efx->mii.phy_id; - int rc; - - rc = mdio_clause45_set_settings(efx, ecmd); - if (rc) - return rc; - - if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG, GPHY_DUPLEX_LBN, - ecmd->duplex == DUPLEX_FULL); - - return rc; + mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL, + MDIO_AN_10GBT_CTRL_ADV_10G_LBN, + advertising & ADVERTISED_10000baseT_Full); } -static bool sft9001_set_xnp_advertise(struct efx_nic *efx, u32 advertising) +static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising) { - int phy = efx->mii.phy_id; - int reg = mdio_clause45_read(efx, phy, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG); - bool enabled; - - reg &= ~((1 << 2) | (1 << 3)); - if (EFX_WORKAROUND_13204(efx) && - (advertising & ADVERTISED_100baseT_Full)) - reg |= 1 << PMA_PMD_100TX_ADV_LBN; - if (advertising & ADVERTISED_1000baseT_Full) - reg |= 1 << PMA_PMD_1000T_ADV_LBN; - if (advertising & ADVERTISED_10000baseT_Full) - reg |= 1 << PMA_PMD_10000T_ADV_LBN; - mdio_clause45_write(efx, phy, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG, reg); - - enabled = (advertising & - (ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full | - ADVERTISED_10000baseT_Full)); - if (EFX_WORKAROUND_13204(efx)) - enabled |= (advertising & ADVERTISED_100baseT_Full); - return enabled; + int phy_id = efx->mii.phy_id; + + mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_CTRL, + C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN, + advertising & ADVERTISED_1000baseT_Full); + mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL, + MDIO_AN_10GBT_CTRL_ADV_10G_LBN, + advertising & ADVERTISED_10000baseT_Full); } struct efx_phy_operations falcon_sfx7101_phy_ops = { @@ -882,8 +822,9 @@ struct efx_phy_operations falcon_sfx7101_phy_ops = { .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, .clear_interrupt = efx_port_dummy_op_void, - .get_settings = sfx7101_get_settings, - .set_settings = mdio_clause45_set_settings, + .get_settings = tenxpress_get_settings, + .set_settings = tenxpress_set_settings, + .set_npage_adv = sfx7101_set_npage_adv, .num_tests = ARRAY_SIZE(sfx7101_test_names), .test_names = sfx7101_test_names, .run_tests = sfx7101_run_tests, @@ -898,9 +839,9 @@ struct efx_phy_operations falcon_sft9001_phy_ops = { .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, .clear_interrupt = efx_port_dummy_op_void, - .get_settings = sft9001_get_settings, - .set_settings = sft9001_set_settings, - .set_xnp_advertise = sft9001_set_xnp_advertise, + .get_settings = tenxpress_get_settings, + .set_settings = tenxpress_set_settings, + .set_npage_adv = sft9001_set_npage_adv, .num_tests = ARRAY_SIZE(sft9001_test_names), .test_names = sft9001_test_names, .run_tests = sft9001_run_tests, |