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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 16:55:01 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 16:55:01 +0100 |
commit | d7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch) | |
tree | a43d56fa72913a1cc98a0bbebe054d08581b3a7c /drivers/net/sfc/tenxpress.c | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6 (diff) | |
parent | Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ (diff) | |
download | linux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.xz linux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits)
mac80211: fix reorder buffer release
iwmc3200wifi: Enable wimax core through module parameter
iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter
iwmc3200wifi: Coex table command does not expect a response
iwmc3200wifi: Update wiwi priority table
iwlwifi: driver version track kernel version
iwlwifi: indicate uCode type when fail dump error/event log
iwl3945: remove duplicated event logging code
b43: fix two warnings
ipw2100: fix rebooting hang with driver loaded
cfg80211: indent regulatory messages with spaces
iwmc3200wifi: fix NULL pointer dereference in pmkid update
mac80211: Fix TX status reporting for injected data frames
ath9k: enable 2GHz band only if the device supports it
airo: Fix integer overflow warning
rt2x00: Fix padding bug on L2PAD devices.
WE: Fix set events not propagated
b43legacy: avoid PPC fault during resume
b43: avoid PPC fault during resume
tcp: fix a timewait refcnt race
...
Fix up conflicts due to sysctl cleanups (dead sysctl_check code and
CTL_UNNUMBERED removed) in
kernel/sysctl_check.c
net/ipv4/sysctl_net_ipv4.c
net/ipv6/addrconf.c
net/sctp/sysctl.c
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
-rw-r--r-- | drivers/net/sfc/tenxpress.c | 223 |
1 files changed, 123 insertions, 100 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index f4d509015f75..ca11572a49a9 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -1,6 +1,6 @@ /**************************************************************************** * Driver for Solarflare Solarstorm network controllers and boards - * Copyright 2007-2008 Solarflare Communications Inc. + * Copyright 2007-2009 Solarflare Communications Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -12,10 +12,9 @@ #include <linux/seq_file.h> #include "efx.h" #include "mdio_10g.h" -#include "falcon.h" +#include "nic.h" #include "phy.h" -#include "falcon_hwdefs.h" -#include "boards.h" +#include "regs.h" #include "workarounds.h" #include "selftest.h" @@ -31,13 +30,13 @@ #define SFX7101_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \ (1 << LOOPBACK_PCS) | \ (1 << LOOPBACK_PMAPMD) | \ - (1 << LOOPBACK_NETWORK)) + (1 << LOOPBACK_PHYXS_WS)) #define SFT9001_LOOPBACKS ((1 << LOOPBACK_GPHY) | \ (1 << LOOPBACK_PHYXS) | \ (1 << LOOPBACK_PCS) | \ (1 << LOOPBACK_PMAPMD) | \ - (1 << LOOPBACK_NETWORK)) + (1 << LOOPBACK_PHYXS_WS)) /* We complain if we fail to see the link partner as 10G capable this many * times in a row (must be > 1 as sampling the autoneg. registers is racy) @@ -84,9 +83,9 @@ #define PMA_PMD_LED_FLASH (3) #define PMA_PMD_LED_MASK 3 /* All LEDs under hardware control */ -#define PMA_PMD_LED_FULL_AUTO (0) +#define SFT9001_PMA_PMD_LED_DEFAULT 0 /* Green and Amber under hardware control, Red off */ -#define PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) +#define SFX7101_PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) #define PMA_PMD_SPEED_ENABLE_REG 49192 #define PMA_PMD_100TX_ADV_LBN 1 @@ -200,15 +199,16 @@ static ssize_t set_phy_short_reach(struct device *dev, const char *buf, size_t count) { struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); + int rc; rtnl_lock(); efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, MDIO_PMA_10GBT_TXPWR, MDIO_PMA_10GBT_TXPWR_SHORT, count != 0 && *buf != '0'); - efx_reconfigure_port(efx); + rc = efx_reconfigure_port(efx); rtnl_unlock(); - return count; + return rc < 0 ? rc : (ssize_t)count; } static DEVICE_ATTR(phy_short_reach, 0644, show_phy_short_reach, @@ -292,17 +292,36 @@ static int tenxpress_init(struct efx_nic *efx) efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_CTRL_REG, 1 << PMA_PMA_LED_ACTIVITY_LBN, true); efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG, - PMA_PMD_LED_DEFAULT); + SFX7101_PMA_PMD_LED_DEFAULT); } return 0; } +static int sfx7101_phy_probe(struct efx_nic *efx) +{ + efx->mdio.mmds = TENXPRESS_REQUIRED_DEVS; + efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; + efx->loopback_modes = SFX7101_LOOPBACKS | FALCON_XMAC_LOOPBACKS; + return 0; +} + +static int sft9001_phy_probe(struct efx_nic *efx) +{ + efx->mdio.mmds = TENXPRESS_REQUIRED_DEVS; + efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22; + efx->loopback_modes = (SFT9001_LOOPBACKS | FALCON_XMAC_LOOPBACKS | + FALCON_GMAC_LOOPBACKS); + return 0; +} + static int tenxpress_phy_init(struct efx_nic *efx) { struct tenxpress_phy_data *phy_data; int rc = 0; + falcon_board(efx)->type->init_phy(efx); + phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); if (!phy_data) return -ENOMEM; @@ -333,6 +352,15 @@ static int tenxpress_phy_init(struct efx_nic *efx) if (rc < 0) goto fail; + /* Initialise advertising flags */ + efx->link_advertising = (ADVERTISED_TP | ADVERTISED_Autoneg | + ADVERTISED_10000baseT_Full); + if (efx->phy_type != PHY_TYPE_SFX7101) + efx->link_advertising |= (ADVERTISED_1000baseT_Full | + ADVERTISED_100baseT_Full); + efx_link_set_wanted_fc(efx, efx->wanted_fc); + efx_mdio_an_reconfigure(efx); + if (efx->phy_type == PHY_TYPE_SFT9001B) { rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_short_reach); @@ -363,7 +391,7 @@ 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. */ - efx_stats_disable(efx); + falcon_stop_nic_stats(efx); /* Initiate reset */ reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG); @@ -385,7 +413,7 @@ static int tenxpress_special_reset(struct efx_nic *efx) /* Wait for the XGXS state machine to churn */ mdelay(10); out: - efx_stats_enable(efx); + falcon_start_nic_stats(efx); return rc; } @@ -489,95 +517,76 @@ static void tenxpress_low_power(struct efx_nic *efx) !!(efx->phy_mode & PHY_MODE_LOW_POWER)); } -static void tenxpress_phy_reconfigure(struct efx_nic *efx) +static int 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; if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) { phy_data->phy_mode = efx->phy_mode; - return; + return 0; } - tenxpress_low_power(efx); - phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL && phy_data->phy_mode != PHY_MODE_NORMAL); - loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) || + loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) || LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY)); if (loop_reset || phy_mode_change) { - int rc; - - efx->phy_op->get_settings(efx, &ecmd); - - if (loop_reset || phy_mode_change) { - tenxpress_special_reset(efx); - - /* Reset XAUI if we were in 10G, and are staying - * in 10G. If we're moving into and out of 10G - * then xaui will be reset anyway */ - if (EFX_IS10G(efx)) - falcon_reset_xaui(efx); - } + tenxpress_special_reset(efx); - rc = efx->phy_op->set_settings(efx, &ecmd); - WARN_ON(rc); + /* Reset XAUI if we were in 10G, and are staying + * in 10G. If we're moving into and out of 10G + * then xaui will be reset anyway */ + if (EFX_IS10G(efx)) + falcon_reset_xaui(efx); } + tenxpress_low_power(efx); efx_mdio_transmit_disable(efx); efx_mdio_phy_reconfigure(efx); tenxpress_ext_loopback(efx); + efx_mdio_an_reconfigure(efx); phy_data->loopback_mode = efx->loopback_mode; phy_data->phy_mode = efx->phy_mode; - if (efx->phy_type == PHY_TYPE_SFX7101) { - efx->link_speed = 10000; - efx->link_fd = true; - efx->link_up = sfx7101_link_ok(efx); - } else { - efx->phy_op->get_settings(efx, &ecmd); - efx->link_speed = ecmd.speed; - efx->link_fd = ecmd.duplex == DUPLEX_FULL; - efx->link_up = sft9001_link_ok(efx, &ecmd); - } - efx->link_fc = efx_mdio_get_pause(efx); + return 0; } -/* Poll PHY for interrupt */ -static void tenxpress_phy_poll(struct efx_nic *efx) +static void +tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd); + +/* Poll for link state changes */ +static bool tenxpress_phy_poll(struct efx_nic *efx) { - struct tenxpress_phy_data *phy_data = efx->phy_data; - bool change = false; + struct efx_link_state old_state = efx->link_state; if (efx->phy_type == PHY_TYPE_SFX7101) { - bool link_ok = sfx7101_link_ok(efx); - if (link_ok != efx->link_up) { - change = true; - } else { - unsigned int link_fc = efx_mdio_get_pause(efx); - if (link_fc != efx->link_fc) - change = true; - } - sfx7101_check_bad_lp(efx, link_ok); - } else if (efx->loopback_mode) { - bool link_ok = sft9001_link_ok(efx, NULL); - if (link_ok != efx->link_up) - change = true; + efx->link_state.up = sfx7101_link_ok(efx); + efx->link_state.speed = 10000; + efx->link_state.fd = true; + efx->link_state.fc = efx_mdio_get_pause(efx); + + sfx7101_check_bad_lp(efx, efx->link_state.up); } else { - int status = efx_mdio_read(efx, MDIO_MMD_PMAPMD, - MDIO_PMA_LASI_STAT); - if (status & MDIO_PMA_LASI_LSALARM) - change = true; - } + struct ethtool_cmd ecmd; - if (change) - falcon_sim_phy_event(efx); + /* Check the LASI alarm first */ + if (efx->loopback_mode == LOOPBACK_NONE && + !(efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT) & + MDIO_PMA_LASI_LSALARM)) + return false; - if (phy_data->phy_mode != PHY_MODE_NORMAL) - return; + tenxpress_get_settings(efx, &ecmd); + + efx->link_state.up = sft9001_link_ok(efx, &ecmd); + efx->link_state.speed = ecmd.speed; + efx->link_state.fd = (ecmd.duplex == DUPLEX_FULL); + efx->link_state.fc = efx_mdio_get_pause(efx); + } + + return !efx_link_state_equal(&efx->link_state, &old_state); } static void tenxpress_phy_fini(struct efx_nic *efx) @@ -604,18 +613,29 @@ static void tenxpress_phy_fini(struct efx_nic *efx) } -/* Set the RX and TX LEDs and Link LED flashing. The other LEDs - * (which probably aren't wired anyway) are left in AUTO mode */ -void tenxpress_phy_blink(struct efx_nic *efx, bool blink) +/* Override the RX, TX and link LEDs */ +void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode) { int reg; - if (blink) - reg = (PMA_PMD_LED_FLASH << PMA_PMD_LED_TX_LBN) | - (PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN) | - (PMA_PMD_LED_FLASH << PMA_PMD_LED_LINK_LBN); - else - reg = PMA_PMD_LED_DEFAULT; + switch (mode) { + case EFX_LED_OFF: + reg = (PMA_PMD_LED_OFF << PMA_PMD_LED_TX_LBN) | + (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) | + (PMA_PMD_LED_OFF << PMA_PMD_LED_LINK_LBN); + break; + case EFX_LED_ON: + reg = (PMA_PMD_LED_ON << PMA_PMD_LED_TX_LBN) | + (PMA_PMD_LED_ON << PMA_PMD_LED_RX_LBN) | + (PMA_PMD_LED_ON << PMA_PMD_LED_LINK_LBN); + break; + default: + if (efx->phy_type == PHY_TYPE_SFX7101) + reg = SFX7101_PMA_PMD_LED_DEFAULT; + else + reg = SFT9001_PMA_PMD_LED_DEFAULT; + break; + } efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG, reg); } @@ -624,6 +644,13 @@ static const char *const sfx7101_test_names[] = { "bist" }; +static const char *sfx7101_test_name(struct efx_nic *efx, unsigned int index) +{ + if (index < ARRAY_SIZE(sfx7101_test_names)) + return sfx7101_test_names[index]; + return NULL; +} + static int sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags) { @@ -635,6 +662,9 @@ sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags) /* BIST is automatically run after a special software reset */ rc = tenxpress_special_reset(efx); results[0] = rc ? -1 : 1; + + efx_mdio_an_reconfigure(efx); + return rc; } @@ -650,14 +680,17 @@ static const char *const sft9001_test_names[] = { "cable.pairD.length", }; +static const char *sft9001_test_name(struct efx_nic *efx, unsigned int index) +{ + if (index < ARRAY_SIZE(sft9001_test_names)) + return sft9001_test_names[index]; + return NULL; +} + static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags) { - struct ethtool_cmd ecmd; int rc = 0, rc2, i, ctrl_reg, res_reg; - if (flags & ETH_TEST_FL_OFFLINE) - efx->phy_op->get_settings(efx, &ecmd); - /* Initialise cable diagnostic results to unknown failure */ for (i = 1; i < 9; ++i) results[i] = -1; @@ -709,9 +742,7 @@ out: if (!rc) rc = rc2; - rc2 = efx->phy_op->set_settings(efx, &ecmd); - if (!rc) - rc = rc2; + efx_mdio_an_reconfigure(efx); } return rc; @@ -758,7 +789,7 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) * 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) + else if (LOOPBACK_EXTERNAL(efx)) ecmd->speed = SPEED_10000; } @@ -788,35 +819,27 @@ static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising) } struct efx_phy_operations falcon_sfx7101_phy_ops = { - .macs = EFX_XMAC, + .probe = sfx7101_phy_probe, .init = tenxpress_phy_init, .reconfigure = tenxpress_phy_reconfigure, .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, - .clear_interrupt = efx_port_dummy_op_void, .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, + .test_name = sfx7101_test_name, .run_tests = sfx7101_run_tests, - .mmds = TENXPRESS_REQUIRED_DEVS, - .loopbacks = SFX7101_LOOPBACKS, }; struct efx_phy_operations falcon_sft9001_phy_ops = { - .macs = EFX_GMAC | EFX_XMAC, + .probe = sft9001_phy_probe, .init = tenxpress_phy_init, .reconfigure = tenxpress_phy_reconfigure, .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, - .clear_interrupt = efx_port_dummy_op_void, .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, + .test_name = sft9001_test_name, .run_tests = sft9001_run_tests, - .mmds = TENXPRESS_REQUIRED_DEVS, - .loopbacks = SFT9001_LOOPBACKS, }; |