diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 249 |
1 files changed, 207 insertions, 42 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index f3dd93b4aeaa..3167ed6593b0 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/delay.h> #include <linux/in.h> -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/pci.h> @@ -37,6 +36,7 @@ #include <linux/mii.h> #include <linux/phy.h> #include <linux/brcmphy.h> +#include <linux/if.h> #include <linux/if_vlan.h> #include <linux/ip.h> #include <linux/tcp.h> @@ -94,10 +94,10 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) #define DRV_MODULE_NAME "tg3" #define TG3_MAJ_NUM 3 -#define TG3_MIN_NUM 134 +#define TG3_MIN_NUM 136 #define DRV_MODULE_VERSION \ __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM) -#define DRV_MODULE_RELDATE "Sep 16, 2013" +#define DRV_MODULE_RELDATE "Jan 03, 2014" #define RESET_KIND_SHUTDOWN 0 #define RESET_KIND_INIT 1 @@ -208,6 +208,9 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) #define TG3_RAW_IP_ALIGN 2 +#define TG3_MAX_UCAST_ADDR(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 3) +#define TG3_UCAST_ADDR_IDX(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 1) + #define TG3_FW_UPDATE_TIMEOUT_SEC 5 #define TG3_FW_UPDATE_FREQ_SEC (TG3_FW_UPDATE_TIMEOUT_SEC / 2) @@ -2606,13 +2609,14 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp) tg3_writephy(tp, MII_CTRL1000, phy9_orig); - if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) { - reg32 &= ~0x3000; - tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); - } else if (!err) - err = -EBUSY; + err = tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); + if (err) + return err; - return err; + reg32 &= ~0x3000; + tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); + + return 0; } static void tg3_carrier_off(struct tg3 *tp) @@ -3948,32 +3952,41 @@ static int tg3_load_tso_firmware(struct tg3 *tp) return 0; } +/* tp->lock is held. */ +static void __tg3_set_one_mac_addr(struct tg3 *tp, u8 *mac_addr, int index) +{ + u32 addr_high, addr_low; + + addr_high = ((mac_addr[0] << 8) | mac_addr[1]); + addr_low = ((mac_addr[2] << 24) | (mac_addr[3] << 16) | + (mac_addr[4] << 8) | mac_addr[5]); + + if (index < 4) { + tw32(MAC_ADDR_0_HIGH + (index * 8), addr_high); + tw32(MAC_ADDR_0_LOW + (index * 8), addr_low); + } else { + index -= 4; + tw32(MAC_EXTADDR_0_HIGH + (index * 8), addr_high); + tw32(MAC_EXTADDR_0_LOW + (index * 8), addr_low); + } +} /* tp->lock is held. */ static void __tg3_set_mac_addr(struct tg3 *tp, bool skip_mac_1) { - u32 addr_high, addr_low; + u32 addr_high; int i; - addr_high = ((tp->dev->dev_addr[0] << 8) | - tp->dev->dev_addr[1]); - addr_low = ((tp->dev->dev_addr[2] << 24) | - (tp->dev->dev_addr[3] << 16) | - (tp->dev->dev_addr[4] << 8) | - (tp->dev->dev_addr[5] << 0)); for (i = 0; i < 4; i++) { if (i == 1 && skip_mac_1) continue; - tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high); - tw32(MAC_ADDR_0_LOW + (i * 8), addr_low); + __tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i); } if (tg3_asic_rev(tp) == ASIC_REV_5703 || tg3_asic_rev(tp) == ASIC_REV_5704) { - for (i = 0; i < 12; i++) { - tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high); - tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low); - } + for (i = 4; i < 16; i++) + __tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i); } addr_high = (tp->dev->dev_addr[0] + @@ -4403,9 +4416,12 @@ static void tg3_phy_copper_begin(struct tg3 *tp) if (tg3_flag(tp, WOL_SPEED_100MB)) adv |= ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; - if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) - adv |= ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full; + if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) { + if (!(tp->phy_flags & + TG3_PHYFLG_DISABLE_1G_HD_ADV)) + adv |= ADVERTISED_1000baseT_Half; + adv |= ADVERTISED_1000baseT_Full; + } fc = FLOW_CTRL_TX | FLOW_CTRL_RX; } else { @@ -7622,7 +7638,7 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) { u32 base = (u32) mapping & 0xffffffff; - return (base > 0xffffdcc0) && (base + len + 8 < base); + return base + len + 8 < base; } /* Test for TSO DMA buffers that cross into regions which are within MSS bytes @@ -8925,6 +8941,49 @@ static void tg3_restore_pci_state(struct tg3 *tp) } } +static void tg3_override_clk(struct tg3 *tp) +{ + u32 val; + + switch (tg3_asic_rev(tp)) { + case ASIC_REV_5717: + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val | + TG3_CPMU_MAC_ORIDE_ENABLE); + break; + + case ASIC_REV_5719: + case ASIC_REV_5720: + tw32(TG3_CPMU_CLCK_ORIDE, CPMU_CLCK_ORIDE_MAC_ORIDE_EN); + break; + + default: + return; + } +} + +static void tg3_restore_clk(struct tg3 *tp) +{ + u32 val; + + switch (tg3_asic_rev(tp)) { + case ASIC_REV_5717: + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, + val & ~TG3_CPMU_MAC_ORIDE_ENABLE); + break; + + case ASIC_REV_5719: + case ASIC_REV_5720: + val = tr32(TG3_CPMU_CLCK_ORIDE); + tw32(TG3_CPMU_CLCK_ORIDE, val & ~CPMU_CLCK_ORIDE_MAC_ORIDE_EN); + break; + + default: + return; + } +} + /* tp->lock is held. */ static int tg3_chip_reset(struct tg3 *tp) { @@ -9013,6 +9072,13 @@ static int tg3_chip_reset(struct tg3 *tp) tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU); } + /* Set the clock to the highest frequency to avoid timeouts. With link + * aware mode, the clock speed could be slow and bootcode does not + * complete within the expected time. Override the clock to allow the + * bootcode to finish sooner and then restore it. + */ + tg3_override_clk(tp); + /* Manage gphy power for all CPMU absent PCIe devices. */ if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, CPMU_PRESENT)) val |= GRC_MISC_CFG_KEEP_GPHY_POWER; @@ -9151,10 +9217,7 @@ static int tg3_chip_reset(struct tg3 *tp) tw32(0x7c00, val | (1 << 25)); } - if (tg3_asic_rev(tp) == ASIC_REV_5720) { - val = tr32(TG3_CPMU_CLCK_ORIDE); - tw32(TG3_CPMU_CLCK_ORIDE, val & ~CPMU_CLCK_ORIDE_MAC_ORIDE_EN); - } + tg3_restore_clk(tp); /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); @@ -9186,6 +9249,7 @@ static int tg3_chip_reset(struct tg3 *tp) static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *); static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *); +static void __tg3_set_rx_mode(struct net_device *); /* tp->lock is held. */ static int tg3_halt(struct tg3 *tp, int kind, bool silent) @@ -9246,6 +9310,7 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p) } spin_lock_bh(&tp->lock); __tg3_set_mac_addr(tp, skip_mac_1); + __tg3_set_rx_mode(dev); spin_unlock_bh(&tp->lock); return err; @@ -9634,6 +9699,20 @@ static void __tg3_set_rx_mode(struct net_device *dev) tw32(MAC_HASH_REG_3, mc_filter[3]); } + if (netdev_uc_count(dev) > TG3_MAX_UCAST_ADDR(tp)) { + rx_mode |= RX_MODE_PROMISC; + } else if (!(dev->flags & IFF_PROMISC)) { + /* Add all entries into to the mac addr filter list */ + int i = 0; + struct netdev_hw_addr *ha; + + netdev_for_each_uc_addr(ha, dev) { + __tg3_set_one_mac_addr(tp, ha->addr, + i + TG3_UCAST_ADDR_IDX(tp)); + i++; + } + } + if (rx_mode != tp->rx_mode) { tp->rx_mode = rx_mode; tw32_f(MAC_RX_MODE, rx_mode); @@ -9966,6 +10045,7 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) if (tg3_asic_rev(tp) == ASIC_REV_5719) val |= BUFMGR_MODE_NO_TX_UNDERRUN; if (tg3_asic_rev(tp) == ASIC_REV_5717 || + tg3_asic_rev(tp) == ASIC_REV_5762 || tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 || tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0) val |= BUFMGR_MODE_MBLOW_ATTN_ENAB; @@ -10751,6 +10831,7 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT); if (tg3_asic_rev(tp) != ASIC_REV_5717 && + tg3_asic_rev(tp) != ASIC_REV_5762 && tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0 && tg3_chip_rev_id(tp) != CHIPREV_ID_5720_A0) { TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT); @@ -10879,6 +10960,13 @@ static void tg3_timer(unsigned long __opaque) } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) && tg3_flag(tp, 5780_CLASS)) { tg3_serdes_parallel_detect(tp); + } else if (tg3_flag(tp, POLL_CPMU_LINK)) { + u32 cpmu = tr32(TG3_CPMU_STATUS); + bool link_up = !((cpmu & TG3_CPMU_STATUS_LINK_MASK) == + TG3_CPMU_STATUS_LINK_MASK); + + if (link_up != tp->link_up) + tg3_setup_phy(tp, false); } tp->timer_counter = tp->timer_multiplier; @@ -11746,8 +11834,6 @@ static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats) get_stat64(&hw_stats->rx_frame_too_long_errors) + get_stat64(&hw_stats->rx_undersize_packets); - stats->rx_over_errors = old_stats->rx_over_errors + - get_stat64(&hw_stats->rxbds_empty); stats->rx_frame_errors = old_stats->rx_frame_errors + get_stat64(&hw_stats->rx_align_errors); stats->tx_aborted_errors = old_stats->tx_aborted_errors + @@ -13594,14 +13680,13 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, } -static int tg3_hwtstamp_ioctl(struct net_device *dev, - struct ifreq *ifr, int cmd) +static int tg3_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct tg3 *tp = netdev_priv(dev); struct hwtstamp_config stmpconf; if (!tg3_flag(tp, PTP_CAPABLE)) - return -EINVAL; + return -EOPNOTSUPP; if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf))) return -EFAULT; @@ -13682,6 +13767,67 @@ static int tg3_hwtstamp_ioctl(struct net_device *dev, -EFAULT : 0; } +static int tg3_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) +{ + struct tg3 *tp = netdev_priv(dev); + struct hwtstamp_config stmpconf; + + if (!tg3_flag(tp, PTP_CAPABLE)) + return -EOPNOTSUPP; + + stmpconf.flags = 0; + stmpconf.tx_type = (tg3_flag(tp, TX_TSTAMP_EN) ? + HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF); + + switch (tp->rxptpctl) { + case 0: + stmpconf.rx_filter = HWTSTAMP_FILTER_NONE; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_ALL_V1_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ; + break; + default: + WARN_ON_ONCE(1); + return -ERANGE; + } + + return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ? + -EFAULT : 0; +} + static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *data = if_mii(ifr); @@ -13735,7 +13881,10 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return err; case SIOCSHWTSTAMP: - return tg3_hwtstamp_ioctl(dev, ifr, cmd); + return tg3_hwtstamp_set(dev, ifr); + + case SIOCGHWTSTAMP: + return tg3_hwtstamp_get(dev, ifr); default: /* do nothing */ @@ -13965,12 +14114,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_stop(tp); + tg3_set_mtu(dev, tp, new_mtu); + tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - tg3_set_mtu(dev, tp, new_mtu); - /* Reset PHY, otherwise the read DMA engine will be in a mode that * breaks all requests to 256 bytes. */ @@ -14856,7 +15005,8 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); if (val == NIC_SRAM_DATA_SIG_MAGIC) { u32 nic_cfg, led_cfg; - u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id; + u32 cfg2 = 0, cfg4 = 0, cfg5 = 0; + u32 nic_phy_id, ver, eeprom_phy_id; int eeprom_phy_serdes = 0; tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg); @@ -14873,6 +15023,11 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) if (tg3_asic_rev(tp) == ASIC_REV_5785) tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4); + if (tg3_asic_rev(tp) == ASIC_REV_5717 || + tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) + tg3_read_mem(tp, NIC_SRAM_DATA_CFG_5, &cfg5); + if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) == NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER) eeprom_phy_serdes = 1; @@ -15025,6 +15180,9 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN); if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN) tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN); + + if (cfg5 & NIC_SRAM_DISABLE_1G_HALF_ADV) + tp->phy_flags |= TG3_PHYFLG_DISABLE_1G_HD_ADV; } done: if (tg3_flag(tp, WOL_CAP)) @@ -15120,9 +15278,11 @@ static void tg3_phy_init_link_config(struct tg3 *tp) { u32 adv = ADVERTISED_Autoneg; - if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) - adv |= ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full; + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + if (!(tp->phy_flags & TG3_PHYFLG_DISABLE_1G_HD_ADV)) + adv |= ADVERTISED_1000baseT_Half; + adv |= ADVERTISED_1000baseT_Full; + } if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) adv |= ADVERTISED_100baseT_Half | @@ -16470,6 +16630,7 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) /* Set these bits to enable statistics workaround. */ if (tg3_asic_rev(tp) == ASIC_REV_5717 || + tg3_asic_rev(tp) == ASIC_REV_5762 || tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 || tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0) { tp->coalesce_mode |= HOSTCC_MODE_ATTN; @@ -16612,6 +16773,9 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) else tg3_flag_clear(tp, POLL_SERDES); + if (tg3_flag(tp, ENABLE_APE) && tg3_flag(tp, ENABLE_ASF)) + tg3_flag_set(tp, POLL_CPMU_LINK); + tp->rx_offset = NET_SKB_PAD + NET_IP_ALIGN; tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD; if (tg3_asic_rev(tp) == ASIC_REV_5701 && @@ -17533,6 +17697,7 @@ static int tg3_init_one(struct pci_dev *pdev, features |= NETIF_F_LOOPBACK; dev->hw_features |= features; + dev->priv_flags |= IFF_UNICAST_FLT; if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 && !tg3_flag(tp, TSO_CAPABLE) && |