diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 912 |
1 files changed, 672 insertions, 240 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 17a972734ba7..728d42ab2a76 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -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 130 +#define TG3_MIN_NUM 131 #define DRV_MODULE_VERSION \ __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM) -#define DRV_MODULE_RELDATE "February 14, 2013" +#define DRV_MODULE_RELDATE "April 09, 2013" #define RESET_KIND_SHUTDOWN 0 #define RESET_KIND_INIT 1 @@ -212,6 +212,7 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) #define TG3_FW_UPDATE_FREQ_SEC (TG3_FW_UPDATE_TIMEOUT_SEC / 2) #define FIRMWARE_TG3 "tigon/tg3.bin" +#define FIRMWARE_TG357766 "tigon/tg357766.bin" #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin" #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin" @@ -1873,6 +1874,20 @@ static void tg3_link_report(struct tg3 *tp) tp->link_up = netif_carrier_ok(tp->dev); } +static u32 tg3_decode_flowctrl_1000T(u32 adv) +{ + u32 flowctrl = 0; + + if (adv & ADVERTISE_PAUSE_CAP) { + flowctrl |= FLOW_CTRL_RX; + if (!(adv & ADVERTISE_PAUSE_ASYM)) + flowctrl |= FLOW_CTRL_TX; + } else if (adv & ADVERTISE_PAUSE_ASYM) + flowctrl |= FLOW_CTRL_TX; + + return flowctrl; +} + static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) { u16 miireg; @@ -1889,6 +1904,20 @@ static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) return miireg; } +static u32 tg3_decode_flowctrl_1000X(u32 adv) +{ + u32 flowctrl = 0; + + if (adv & ADVERTISE_1000XPAUSE) { + flowctrl |= FLOW_CTRL_RX; + if (!(adv & ADVERTISE_1000XPSE_ASYM)) + flowctrl |= FLOW_CTRL_TX; + } else if (adv & ADVERTISE_1000XPSE_ASYM) + flowctrl |= FLOW_CTRL_TX; + + return flowctrl; +} + static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv) { u8 cap = 0; @@ -2199,7 +2228,7 @@ static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable) tg3_writephy(tp, MII_TG3_MISC_SHDW, reg); } -static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable) +static void tg3_phy_toggle_automdix(struct tg3 *tp, bool enable) { u32 phy; @@ -2291,7 +2320,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp) tg3_phy_toggle_auxctl_smdsp(tp, false); } -static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up) +static void tg3_phy_eee_adjust(struct tg3 *tp, bool current_link_up) { u32 val; @@ -2301,7 +2330,7 @@ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up) tp->setlpicnt = 0; if (tp->link_config.autoneg == AUTONEG_ENABLE && - current_link_up == 1 && + current_link_up && tp->link_config.active_duplex == DUPLEX_FULL && (tp->link_config.active_speed == SPEED_100 || tp->link_config.active_speed == SPEED_1000)) { @@ -2323,7 +2352,7 @@ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up) } if (!tp->setlpicnt) { - if (current_link_up == 1 && + if (current_link_up && !tg3_phy_toggle_auxctl_smdsp(tp, true)) { tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000); tg3_phy_toggle_auxctl_smdsp(tp, false); @@ -2530,6 +2559,13 @@ static void tg3_carrier_off(struct tg3 *tp) tp->link_up = false; } +static void tg3_warn_mgmt_link_flap(struct tg3 *tp) +{ + if (tg3_flag(tp, ENABLE_ASF)) + netdev_warn(tp->dev, + "Management side-band traffic will be interrupted during phy settings change\n"); +} + /* This will reset the tigon3 PHY if there is no valid * link unless the FORCE argument is non-zero. */ @@ -2669,7 +2705,7 @@ out: if (tg3_chip_rev_id(tp) == CHIPREV_ID_5762_A0) tg3_phydsp_write(tp, 0xffb, 0x4000); - tg3_phy_toggle_automdix(tp, 1); + tg3_phy_toggle_automdix(tp, true); tg3_phy_set_wirespeed(tp); return 0; } @@ -2925,6 +2961,9 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) { u32 val; + if (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) + return; + if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { if (tg3_asic_rev(tp) == ASIC_REV_5704) { u32 sg_dig_ctrl = tr32(SG_DIG_CTRL); @@ -3448,11 +3487,58 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf) #define TX_CPU_SCRATCH_SIZE 0x04000 /* tp->lock is held. */ -static int tg3_halt_cpu(struct tg3 *tp, u32 offset) +static int tg3_pause_cpu(struct tg3 *tp, u32 cpu_base) { int i; + const int iters = 10000; + + for (i = 0; i < iters; i++) { + tw32(cpu_base + CPU_STATE, 0xffffffff); + tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); + if (tr32(cpu_base + CPU_MODE) & CPU_MODE_HALT) + break; + } + + return (i == iters) ? -EBUSY : 0; +} + +/* tp->lock is held. */ +static int tg3_rxcpu_pause(struct tg3 *tp) +{ + int rc = tg3_pause_cpu(tp, RX_CPU_BASE); + + tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); + tw32_f(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT); + udelay(10); + + return rc; +} + +/* tp->lock is held. */ +static int tg3_txcpu_pause(struct tg3 *tp) +{ + return tg3_pause_cpu(tp, TX_CPU_BASE); +} + +/* tp->lock is held. */ +static void tg3_resume_cpu(struct tg3 *tp, u32 cpu_base) +{ + tw32(cpu_base + CPU_STATE, 0xffffffff); + tw32_f(cpu_base + CPU_MODE, 0x00000000); +} - BUG_ON(offset == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)); +/* tp->lock is held. */ +static void tg3_rxcpu_resume(struct tg3 *tp) +{ + tg3_resume_cpu(tp, RX_CPU_BASE); +} + +/* tp->lock is held. */ +static int tg3_halt_cpu(struct tg3 *tp, u32 cpu_base) +{ + int rc; + + BUG_ON(cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)); if (tg3_asic_rev(tp) == ASIC_REV_5906) { u32 val = tr32(GRC_VCPU_EXT_CTRL); @@ -3460,17 +3546,8 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU); return 0; } - if (offset == RX_CPU_BASE) { - for (i = 0; i < 10000; i++) { - tw32(offset + CPU_STATE, 0xffffffff); - tw32(offset + CPU_MODE, CPU_MODE_HALT); - if (tr32(offset + CPU_MODE) & CPU_MODE_HALT) - break; - } - - tw32(offset + CPU_STATE, 0xffffffff); - tw32_f(offset + CPU_MODE, CPU_MODE_HALT); - udelay(10); + if (cpu_base == RX_CPU_BASE) { + rc = tg3_rxcpu_pause(tp); } else { /* * There is only an Rx CPU for the 5750 derivative in the @@ -3479,17 +3556,12 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) if (tg3_flag(tp, IS_SSB_CORE)) return 0; - for (i = 0; i < 10000; i++) { - tw32(offset + CPU_STATE, 0xffffffff); - tw32(offset + CPU_MODE, CPU_MODE_HALT); - if (tr32(offset + CPU_MODE) & CPU_MODE_HALT) - break; - } + rc = tg3_txcpu_pause(tp); } - if (i >= 10000) { + if (rc) { netdev_err(tp->dev, "%s timed out, %s CPU\n", - __func__, offset == RX_CPU_BASE ? "RX" : "TX"); + __func__, cpu_base == RX_CPU_BASE ? "RX" : "TX"); return -ENODEV; } @@ -3499,19 +3571,41 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) return 0; } -struct fw_info { - unsigned int fw_base; - unsigned int fw_len; - const __be32 *fw_data; -}; +static int tg3_fw_data_len(struct tg3 *tp, + const struct tg3_firmware_hdr *fw_hdr) +{ + int fw_len; + + /* Non fragmented firmware have one firmware header followed by a + * contiguous chunk of data to be written. The length field in that + * header is not the length of data to be written but the complete + * length of the bss. The data length is determined based on + * tp->fw->size minus headers. + * + * Fragmented firmware have a main header followed by multiple + * fragments. Each fragment is identical to non fragmented firmware + * with a firmware header followed by a contiguous chunk of data. In + * the main header, the length field is unused and set to 0xffffffff. + * In each fragment header the length is the entire size of that + * fragment i.e. fragment data + header length. Data length is + * therefore length field in the header minus TG3_FW_HDR_LEN. + */ + if (tp->fw_len == 0xffffffff) + fw_len = be32_to_cpu(fw_hdr->len); + else + fw_len = tp->fw->size; + + return (fw_len - TG3_FW_HDR_LEN) / sizeof(u32); +} /* tp->lock is held. */ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base, int cpu_scratch_size, - struct fw_info *info) + const struct tg3_firmware_hdr *fw_hdr) { - int err, lock_err, i; + int err, i; void (*write_op)(struct tg3 *, u32, u32); + int total_len = tp->fw->size; if (cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)) { netdev_err(tp->dev, @@ -3520,30 +3614,49 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, return -EINVAL; } - if (tg3_flag(tp, 5705_PLUS)) + if (tg3_flag(tp, 5705_PLUS) && tg3_asic_rev(tp) != ASIC_REV_57766) write_op = tg3_write_mem; else write_op = tg3_write_indirect_reg32; - /* It is possible that bootcode is still loading at this point. - * Get the nvram lock first before halting the cpu. - */ - lock_err = tg3_nvram_lock(tp); - err = tg3_halt_cpu(tp, cpu_base); - if (!lock_err) - tg3_nvram_unlock(tp); - if (err) - goto out; + if (tg3_asic_rev(tp) != ASIC_REV_57766) { + /* It is possible that bootcode is still loading at this point. + * Get the nvram lock first before halting the cpu. + */ + int lock_err = tg3_nvram_lock(tp); + err = tg3_halt_cpu(tp, cpu_base); + if (!lock_err) + tg3_nvram_unlock(tp); + if (err) + goto out; - for (i = 0; i < cpu_scratch_size; i += sizeof(u32)) - write_op(tp, cpu_scratch_base + i, 0); - tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT); - for (i = 0; i < (info->fw_len / sizeof(u32)); i++) - write_op(tp, (cpu_scratch_base + - (info->fw_base & 0xffff) + - (i * sizeof(u32))), - be32_to_cpu(info->fw_data[i])); + for (i = 0; i < cpu_scratch_size; i += sizeof(u32)) + write_op(tp, cpu_scratch_base + i, 0); + tw32(cpu_base + CPU_STATE, 0xffffffff); + tw32(cpu_base + CPU_MODE, + tr32(cpu_base + CPU_MODE) | CPU_MODE_HALT); + } else { + /* Subtract additional main header for fragmented firmware and + * advance to the first fragment + */ + total_len -= TG3_FW_HDR_LEN; + fw_hdr++; + } + + do { + u32 *fw_data = (u32 *)(fw_hdr + 1); + for (i = 0; i < tg3_fw_data_len(tp, fw_hdr); i++) + write_op(tp, cpu_scratch_base + + (be32_to_cpu(fw_hdr->base_addr) & 0xffff) + + (i * sizeof(u32)), + be32_to_cpu(fw_data[i])); + + total_len -= be32_to_cpu(fw_hdr->len); + + /* Advance to next fragment */ + fw_hdr = (struct tg3_firmware_hdr *) + ((void *)fw_hdr + be32_to_cpu(fw_hdr->len)); + } while (total_len > 0); err = 0; @@ -3552,13 +3665,33 @@ out: } /* tp->lock is held. */ +static int tg3_pause_cpu_and_set_pc(struct tg3 *tp, u32 cpu_base, u32 pc) +{ + int i; + const int iters = 5; + + tw32(cpu_base + CPU_STATE, 0xffffffff); + tw32_f(cpu_base + CPU_PC, pc); + + for (i = 0; i < iters; i++) { + if (tr32(cpu_base + CPU_PC) == pc) + break; + tw32(cpu_base + CPU_STATE, 0xffffffff); + tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); + tw32_f(cpu_base + CPU_PC, pc); + udelay(1000); + } + + return (i == iters) ? -EBUSY : 0; +} + +/* tp->lock is held. */ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) { - struct fw_info info; - const __be32 *fw_data; - int err, i; + const struct tg3_firmware_hdr *fw_hdr; + int err; - fw_data = (void *)tp->fw->data; + fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data; /* Firmware blob starts with version numbers, followed by start address and length. We are setting complete length. @@ -3566,60 +3699,117 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) Remainder is the blob to be loaded contiguously from start address. */ - info.fw_base = be32_to_cpu(fw_data[1]); - info.fw_len = tp->fw->size - 12; - info.fw_data = &fw_data[3]; - err = tg3_load_firmware_cpu(tp, RX_CPU_BASE, RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE, - &info); + fw_hdr); if (err) return err; err = tg3_load_firmware_cpu(tp, TX_CPU_BASE, TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE, - &info); + fw_hdr); if (err) return err; /* Now startup only the RX cpu. */ - tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); - tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); - - for (i = 0; i < 5; i++) { - if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base) - break; - tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); - tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT); - tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); - udelay(1000); - } - if (i >= 5) { + err = tg3_pause_cpu_and_set_pc(tp, RX_CPU_BASE, + be32_to_cpu(fw_hdr->base_addr)); + if (err) { netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x " "should be %08x\n", __func__, - tr32(RX_CPU_BASE + CPU_PC), info.fw_base); + tr32(RX_CPU_BASE + CPU_PC), + be32_to_cpu(fw_hdr->base_addr)); return -ENODEV; } - tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); - tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000); + + tg3_rxcpu_resume(tp); return 0; } +static int tg3_validate_rxcpu_state(struct tg3 *tp) +{ + const int iters = 1000; + int i; + u32 val; + + /* Wait for boot code to complete initialization and enter service + * loop. It is then safe to download service patches + */ + for (i = 0; i < iters; i++) { + if (tr32(RX_CPU_HWBKPT) == TG3_SBROM_IN_SERVICE_LOOP) + break; + + udelay(10); + } + + if (i == iters) { + netdev_err(tp->dev, "Boot code not ready for service patches\n"); + return -EBUSY; + } + + val = tg3_read_indirect_reg32(tp, TG3_57766_FW_HANDSHAKE); + if (val & 0xff) { + netdev_warn(tp->dev, + "Other patches exist. Not downloading EEE patch\n"); + return -EEXIST; + } + + return 0; +} + +/* tp->lock is held. */ +static void tg3_load_57766_firmware(struct tg3 *tp) +{ + struct tg3_firmware_hdr *fw_hdr; + + if (!tg3_flag(tp, NO_NVRAM)) + return; + + if (tg3_validate_rxcpu_state(tp)) + return; + + if (!tp->fw) + return; + + /* This firmware blob has a different format than older firmware + * releases as given below. The main difference is we have fragmented + * data to be written to non-contiguous locations. + * + * In the beginning we have a firmware header identical to other + * firmware which consists of version, base addr and length. The length + * here is unused and set to 0xffffffff. + * + * This is followed by a series of firmware fragments which are + * individually identical to previous firmware. i.e. they have the + * firmware header and followed by data for that fragment. The version + * field of the individual fragment header is unused. + */ + + fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data; + if (be32_to_cpu(fw_hdr->base_addr) != TG3_57766_FW_BASE_ADDR) + return; + + if (tg3_rxcpu_pause(tp)) + return; + + /* tg3_load_firmware_cpu() will always succeed for the 57766 */ + tg3_load_firmware_cpu(tp, 0, TG3_57766_FW_BASE_ADDR, 0, fw_hdr); + + tg3_rxcpu_resume(tp); +} + /* tp->lock is held. */ static int tg3_load_tso_firmware(struct tg3 *tp) { - struct fw_info info; - const __be32 *fw_data; + const struct tg3_firmware_hdr *fw_hdr; unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size; - int err, i; + int err; - if (tg3_flag(tp, HW_TSO_1) || - tg3_flag(tp, HW_TSO_2) || - tg3_flag(tp, HW_TSO_3)) + if (!tg3_flag(tp, FW_TSO)) return 0; - fw_data = (void *)tp->fw->data; + fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data; /* Firmware blob starts with version numbers, followed by start address and length. We are setting complete length. @@ -3627,10 +3817,7 @@ static int tg3_load_tso_firmware(struct tg3 *tp) Remainder is the blob to be loaded contiguously from start address. */ - info.fw_base = be32_to_cpu(fw_data[1]); cpu_scratch_size = tp->fw_len; - info.fw_len = tp->fw->size - 12; - info.fw_data = &fw_data[3]; if (tg3_asic_rev(tp) == ASIC_REV_5705) { cpu_base = RX_CPU_BASE; @@ -3643,36 +3830,28 @@ static int tg3_load_tso_firmware(struct tg3 *tp) err = tg3_load_firmware_cpu(tp, cpu_base, cpu_scratch_base, cpu_scratch_size, - &info); + fw_hdr); if (err) return err; /* Now startup the cpu. */ - tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32_f(cpu_base + CPU_PC, info.fw_base); - - for (i = 0; i < 5; i++) { - if (tr32(cpu_base + CPU_PC) == info.fw_base) - break; - tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); - tw32_f(cpu_base + CPU_PC, info.fw_base); - udelay(1000); - } - if (i >= 5) { + err = tg3_pause_cpu_and_set_pc(tp, cpu_base, + be32_to_cpu(fw_hdr->base_addr)); + if (err) { netdev_err(tp->dev, "%s fails to set CPU PC, is %08x should be %08x\n", - __func__, tr32(cpu_base + CPU_PC), info.fw_base); + __func__, tr32(cpu_base + CPU_PC), + be32_to_cpu(fw_hdr->base_addr)); return -ENODEV; } - tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32_f(cpu_base + CPU_MODE, 0x00000000); + + tg3_resume_cpu(tp, cpu_base); return 0; } /* tp->lock is held. */ -static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1) +static void __tg3_set_mac_addr(struct tg3 *tp, bool skip_mac_1) { u32 addr_high, addr_low; int i; @@ -3735,7 +3914,7 @@ static int tg3_power_up(struct tg3 *tp) return err; } -static int tg3_setup_phy(struct tg3 *, int); +static int tg3_setup_phy(struct tg3 *, bool); static int tg3_power_down_prepare(struct tg3 *tp) { @@ -3807,7 +3986,7 @@ static int tg3_power_down_prepare(struct tg3 *tp) tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER; if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) - tg3_setup_phy(tp, 0); + tg3_setup_phy(tp, false); } if (tg3_asic_rev(tp) == ASIC_REV_5906) { @@ -3848,7 +4027,13 @@ static int tg3_power_down_prepare(struct tg3 *tp) if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) mac_mode = MAC_MODE_PORT_MODE_GMII; - else + else if (tp->phy_flags & + TG3_PHYFLG_KEEP_LINK_ON_PWRDN) { + if (tp->link_config.active_speed == SPEED_1000) + mac_mode = MAC_MODE_PORT_MODE_GMII; + else + mac_mode = MAC_MODE_PORT_MODE_MII; + } else mac_mode = MAC_MODE_PORT_MODE_MII; mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY; @@ -4102,12 +4287,16 @@ static void tg3_phy_copper_begin(struct tg3 *tp) (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { u32 adv, fc; - if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) { + if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) && + !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) { adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full; 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; fc = FLOW_CTRL_TX | FLOW_CTRL_RX; } else { @@ -4121,6 +4310,15 @@ static void tg3_phy_copper_begin(struct tg3 *tp) tg3_phy_autoneg_cfg(tp, adv, fc); + if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) && + (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) { + /* Normally during power down we want to autonegotiate + * the lowest possible speed for WOL. However, to avoid + * link flap, we leave it untouched. + */ + return; + } + tg3_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART); } else { @@ -4177,6 +4375,103 @@ static void tg3_phy_copper_begin(struct tg3 *tp) } } +static int tg3_phy_pull_config(struct tg3 *tp) +{ + int err; + u32 val; + + err = tg3_readphy(tp, MII_BMCR, &val); + if (err) + goto done; + + if (!(val & BMCR_ANENABLE)) { + tp->link_config.autoneg = AUTONEG_DISABLE; + tp->link_config.advertising = 0; + tg3_flag_clear(tp, PAUSE_AUTONEG); + + err = -EIO; + + switch (val & (BMCR_SPEED1000 | BMCR_SPEED100)) { + case 0: + if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) + goto done; + + tp->link_config.speed = SPEED_10; + break; + case BMCR_SPEED100: + if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) + goto done; + + tp->link_config.speed = SPEED_100; + break; + case BMCR_SPEED1000: + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + tp->link_config.speed = SPEED_1000; + break; + } + /* Fall through */ + default: + goto done; + } + + if (val & BMCR_FULLDPLX) + tp->link_config.duplex = DUPLEX_FULL; + else + tp->link_config.duplex = DUPLEX_HALF; + + tp->link_config.flowctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; + + err = 0; + goto done; + } + + tp->link_config.autoneg = AUTONEG_ENABLE; + tp->link_config.advertising = ADVERTISED_Autoneg; + tg3_flag_set(tp, PAUSE_AUTONEG); + + if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { + u32 adv; + + err = tg3_readphy(tp, MII_ADVERTISE, &val); + if (err) + goto done; + + adv = mii_adv_to_ethtool_adv_t(val & ADVERTISE_ALL); + tp->link_config.advertising |= adv | ADVERTISED_TP; + + tp->link_config.flowctrl = tg3_decode_flowctrl_1000T(val); + } else { + tp->link_config.advertising |= ADVERTISED_FIBRE; + } + + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + u32 adv; + + if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { + err = tg3_readphy(tp, MII_CTRL1000, &val); + if (err) + goto done; + + adv = mii_ctrl1000_to_ethtool_adv_t(val); + } else { + err = tg3_readphy(tp, MII_ADVERTISE, &val); + if (err) + goto done; + + adv = tg3_decode_flowctrl_1000X(val); + tp->link_config.flowctrl = adv; + + val &= (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL); + adv = mii_adv_to_ethtool_adv_x(val); + } + + tp->link_config.advertising |= adv; + } + +done: + return err; +} + static int tg3_init_5401phy_dsp(struct tg3 *tp) { int err; @@ -4196,6 +4491,32 @@ static int tg3_init_5401phy_dsp(struct tg3 *tp) return err; } +static bool tg3_phy_eee_config_ok(struct tg3 *tp) +{ + u32 val; + u32 tgtadv = 0; + u32 advertising = tp->link_config.advertising; + + if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) + return true; + + if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, &val)) + return false; + + val &= (MDIO_AN_EEE_ADV_100TX | MDIO_AN_EEE_ADV_1000T); + + + if (advertising & ADVERTISED_100baseT_Full) + tgtadv |= MDIO_AN_EEE_ADV_100TX; + if (advertising & ADVERTISED_1000baseT_Full) + tgtadv |= MDIO_AN_EEE_ADV_1000T; + + if (val != tgtadv) + return false; + + return true; +} + static bool tg3_phy_copper_an_config_ok(struct tg3 *tp, u32 *lcladv) { u32 advmsk, tgtadv, advertising; @@ -4262,7 +4583,7 @@ static bool tg3_phy_copper_fetch_rmtadv(struct tg3 *tp, u32 *rmtadv) return true; } -static bool tg3_test_and_report_link_chg(struct tg3 *tp, int curr_link_up) +static bool tg3_test_and_report_link_chg(struct tg3 *tp, bool curr_link_up) { if (curr_link_up != tp->link_up) { if (curr_link_up) { @@ -4280,23 +4601,28 @@ static bool tg3_test_and_report_link_chg(struct tg3 *tp, int curr_link_up) return false; } -static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) +static void tg3_clear_mac_status(struct tg3 *tp) { - int current_link_up; + tw32(MAC_EVENT, 0); + + tw32_f(MAC_STATUS, + MAC_STATUS_SYNC_CHANGED | + MAC_STATUS_CFG_CHANGED | + MAC_STATUS_MI_COMPLETION | + MAC_STATUS_LNKSTATE_CHANGED); + udelay(40); +} + +static int tg3_setup_copper_phy(struct tg3 *tp, bool force_reset) +{ + bool current_link_up; u32 bmsr, val; u32 lcl_adv, rmt_adv; u16 current_speed; u8 current_duplex; int i, err; - tw32(MAC_EVENT, 0); - - tw32_f(MAC_STATUS, - (MAC_STATUS_SYNC_CHANGED | - MAC_STATUS_CFG_CHANGED | - MAC_STATUS_MI_COMPLETION | - MAC_STATUS_LNKSTATE_CHANGED)); - udelay(40); + tg3_clear_mac_status(tp); if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { tw32_f(MAC_MI_MODE, @@ -4316,7 +4642,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) tg3_readphy(tp, MII_BMSR, &bmsr); if (!tg3_readphy(tp, MII_BMSR, &bmsr) && !(bmsr & BMSR_LSTATUS)) - force_reset = 1; + force_reset = true; } if (force_reset) tg3_phy_reset(tp); @@ -4380,7 +4706,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) tg3_writephy(tp, MII_TG3_EXT_CTRL, 0); } - current_link_up = 0; + current_link_up = false; current_speed = SPEED_UNKNOWN; current_duplex = DUPLEX_UNKNOWN; tp->phy_flags &= ~TG3_PHYFLG_MDIX_STATE; @@ -4439,21 +4765,31 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) tp->link_config.active_duplex = current_duplex; if (tp->link_config.autoneg == AUTONEG_ENABLE) { + bool eee_config_ok = tg3_phy_eee_config_ok(tp); + if ((bmcr & BMCR_ANENABLE) && + eee_config_ok && tg3_phy_copper_an_config_ok(tp, &lcl_adv) && tg3_phy_copper_fetch_rmtadv(tp, &rmt_adv)) - current_link_up = 1; + current_link_up = true; + + /* EEE settings changes take effect only after a phy + * reset. If we have skipped a reset due to Link Flap + * Avoidance being enabled, do it now. + */ + if (!eee_config_ok && + (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) && + !force_reset) + tg3_phy_reset(tp); } else { if (!(bmcr & BMCR_ANENABLE) && tp->link_config.speed == current_speed && - tp->link_config.duplex == current_duplex && - tp->link_config.flowctrl == - tp->link_config.active_flowctrl) { - current_link_up = 1; + tp->link_config.duplex == current_duplex) { + current_link_up = true; } } - if (current_link_up == 1 && + if (current_link_up && tp->link_config.active_duplex == DUPLEX_FULL) { u32 reg, bit; @@ -4473,11 +4809,11 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) } relink: - if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { + if (!current_link_up || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { tg3_phy_copper_begin(tp); if (tg3_flag(tp, ROBOSWITCH)) { - current_link_up = 1; + current_link_up = true; /* FIXME: when BCM5325 switch is used use 100 MBit/s */ current_speed = SPEED_1000; current_duplex = DUPLEX_FULL; @@ -4488,11 +4824,11 @@ relink: tg3_readphy(tp, MII_BMSR, &bmsr); if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) || (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)) - current_link_up = 1; + current_link_up = true; } tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK; - if (current_link_up == 1) { + if (current_link_up) { if (tp->link_config.active_speed == SPEED_100 || tp->link_config.active_speed == SPEED_10) tp->mac_mode |= MAC_MODE_PORT_MODE_MII; @@ -4528,7 +4864,7 @@ relink: tp->mac_mode |= MAC_MODE_HALF_DUPLEX; if (tg3_asic_rev(tp) == ASIC_REV_5700) { - if (current_link_up == 1 && + if (current_link_up && tg3_5700_link_polarity(tp, tp->link_config.active_speed)) tp->mac_mode |= MAC_MODE_LINK_POLARITY; else @@ -4559,7 +4895,7 @@ relink: udelay(40); if (tg3_asic_rev(tp) == ASIC_REV_5700 && - current_link_up == 1 && + current_link_up && tp->link_config.active_speed == SPEED_1000 && (tg3_flag(tp, PCIX_MODE) || tg3_flag(tp, PCI_HIGH_SPEED))) { udelay(120); @@ -4999,19 +5335,19 @@ static void tg3_init_bcm8002(struct tg3 *tp) tg3_writephy(tp, 0x10, 0x8011); } -static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) +static bool tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) { u16 flowctrl; + bool current_link_up; u32 sg_dig_ctrl, sg_dig_status; u32 serdes_cfg, expected_sg_dig_ctrl; int workaround, port_a; - int current_link_up; serdes_cfg = 0; expected_sg_dig_ctrl = 0; workaround = 0; port_a = 1; - current_link_up = 0; + current_link_up = false; if (tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A0 && tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A1) { @@ -5042,7 +5378,7 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) } if (mac_status & MAC_STATUS_PCS_SYNCED) { tg3_setup_flow_control(tp, 0, 0); - current_link_up = 1; + current_link_up = true; } goto out; } @@ -5063,7 +5399,7 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) MAC_STATUS_RCVD_CFG)) == MAC_STATUS_PCS_SYNCED)) { tp->serdes_counter--; - current_link_up = 1; + current_link_up = true; goto out; } restart_autoneg: @@ -5098,7 +5434,7 @@ restart_autoneg: mii_adv_to_ethtool_adv_x(remote_adv); tg3_setup_flow_control(tp, local_adv, remote_adv); - current_link_up = 1; + current_link_up = true; tp->serdes_counter = 0; tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) { @@ -5126,7 +5462,7 @@ restart_autoneg: if ((mac_status & MAC_STATUS_PCS_SYNCED) && !(mac_status & MAC_STATUS_RCVD_CFG)) { tg3_setup_flow_control(tp, 0, 0); - current_link_up = 1; + current_link_up = true; tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT; tp->serdes_counter = @@ -5144,9 +5480,9 @@ out: return current_link_up; } -static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status) +static bool tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status) { - int current_link_up = 0; + bool current_link_up = false; if (!(mac_status & MAC_STATUS_PCS_SYNCED)) goto out; @@ -5173,7 +5509,7 @@ static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status) tg3_setup_flow_control(tp, local_adv, remote_adv); - current_link_up = 1; + current_link_up = true; } for (i = 0; i < 30; i++) { udelay(20); @@ -5188,15 +5524,15 @@ static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status) } mac_status = tr32(MAC_STATUS); - if (current_link_up == 0 && + if (!current_link_up && (mac_status & MAC_STATUS_PCS_SYNCED) && !(mac_status & MAC_STATUS_RCVD_CFG)) - current_link_up = 1; + current_link_up = true; } else { tg3_setup_flow_control(tp, 0, 0); /* Forcing 1000FD link up. */ - current_link_up = 1; + current_link_up = true; tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS)); udelay(40); @@ -5209,13 +5545,13 @@ out: return current_link_up; } -static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) +static int tg3_setup_fiber_phy(struct tg3 *tp, bool force_reset) { u32 orig_pause_cfg; u16 orig_active_speed; u8 orig_active_duplex; u32 mac_status; - int current_link_up; + bool current_link_up; int i; orig_pause_cfg = tp->link_config.active_flowctrl; @@ -5252,7 +5588,7 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED); udelay(40); - current_link_up = 0; + current_link_up = false; tp->link_config.rmt_adv = 0; mac_status = tr32(MAC_STATUS); @@ -5277,7 +5613,7 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) mac_status = tr32(MAC_STATUS); if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) { - current_link_up = 0; + current_link_up = false; if (tp->link_config.autoneg == AUTONEG_ENABLE && tp->serdes_counter == 0) { tw32_f(MAC_MODE, (tp->mac_mode | @@ -5287,7 +5623,7 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) } } - if (current_link_up == 1) { + if (current_link_up) { tp->link_config.active_speed = SPEED_1000; tp->link_config.active_duplex = DUPLEX_FULL; tw32(MAC_LED_CTRL, (tp->led_ctrl | @@ -5312,33 +5648,63 @@ static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) return 0; } -static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset) +static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset) { - int current_link_up, err = 0; + int err = 0; u32 bmsr, bmcr; - u16 current_speed; - u8 current_duplex; - u32 local_adv, remote_adv; + u16 current_speed = SPEED_UNKNOWN; + u8 current_duplex = DUPLEX_UNKNOWN; + bool current_link_up = false; + u32 local_adv, remote_adv, sgsr; + + if ((tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) && + !tg3_readphy(tp, SERDES_TG3_1000X_STATUS, &sgsr) && + (sgsr & SERDES_TG3_SGMII_MODE)) { + + if (force_reset) + tg3_phy_reset(tp); + + tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK; + + if (!(sgsr & SERDES_TG3_LINK_UP)) { + tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; + } else { + current_link_up = true; + if (sgsr & SERDES_TG3_SPEED_1000) { + current_speed = SPEED_1000; + tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; + } else if (sgsr & SERDES_TG3_SPEED_100) { + current_speed = SPEED_100; + tp->mac_mode |= MAC_MODE_PORT_MODE_MII; + } else { + current_speed = SPEED_10; + tp->mac_mode |= MAC_MODE_PORT_MODE_MII; + } + + if (sgsr & SERDES_TG3_FULL_DUPLEX) + current_duplex = DUPLEX_FULL; + else + current_duplex = DUPLEX_HALF; + } + + tw32_f(MAC_MODE, tp->mac_mode); + udelay(40); + + tg3_clear_mac_status(tp); + + goto fiber_setup_done; + } tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; tw32_f(MAC_MODE, tp->mac_mode); udelay(40); - tw32(MAC_EVENT, 0); - - tw32_f(MAC_STATUS, - (MAC_STATUS_SYNC_CHANGED | - MAC_STATUS_CFG_CHANGED | - MAC_STATUS_MI_COMPLETION | - MAC_STATUS_LNKSTATE_CHANGED)); - udelay(40); + tg3_clear_mac_status(tp); if (force_reset) tg3_phy_reset(tp); - current_link_up = 0; - current_speed = SPEED_UNKNOWN; - current_duplex = DUPLEX_UNKNOWN; tp->link_config.rmt_adv = 0; err |= tg3_readphy(tp, MII_BMSR, &bmsr); @@ -5424,7 +5790,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset) if (bmsr & BMSR_LSTATUS) { current_speed = SPEED_1000; - current_link_up = 1; + current_link_up = true; if (bmcr & BMCR_FULLDPLX) current_duplex = DUPLEX_FULL; else @@ -5451,12 +5817,13 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset) } else if (!tg3_flag(tp, 5780_CLASS)) { /* Link is up via parallel detect */ } else { - current_link_up = 0; + current_link_up = false; } } } - if (current_link_up == 1 && current_duplex == DUPLEX_FULL) +fiber_setup_done: + if (current_link_up && current_duplex == DUPLEX_FULL) tg3_setup_flow_control(tp, local_adv, remote_adv); tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX; @@ -5535,7 +5902,7 @@ static void tg3_serdes_parallel_detect(struct tg3 *tp) } } -static int tg3_setup_phy(struct tg3 *tp, int force_reset) +static int tg3_setup_phy(struct tg3 *tp, bool force_reset) { u32 val; int err; @@ -5625,10 +5992,13 @@ static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE | - SOF_TIMESTAMPING_TX_HARDWARE | - SOF_TIMESTAMPING_RX_HARDWARE | - SOF_TIMESTAMPING_RAW_HARDWARE; + SOF_TIMESTAMPING_SOFTWARE; + + if (tg3_flag(tp, PTP_CAPABLE)) { + info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_RX_HARDWARE | + SOF_TIMESTAMPING_RAW_HARDWARE; + } if (tp->ptp_clock) info->phc_index = ptp_clock_index(tp->ptp_clock); @@ -6348,7 +6718,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) if (desc->type_flags & RXD_FLAG_VLAN && !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) - __vlan_hwaccel_put_tag(skb, + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), desc->err_vlan & RXD_VLAN_MASK); napi_gro_receive(&tnapi->napi, skb); @@ -6436,7 +6806,7 @@ static void tg3_poll_link(struct tg3 *tp) MAC_STATUS_LNKSTATE_CHANGED)); udelay(40); } else - tg3_setup_phy(tp, 0); + tg3_setup_phy(tp, false); spin_unlock(&tp->lock); } } @@ -7533,7 +7903,7 @@ static int tg3_phy_lpbk_set(struct tg3 *tp, u32 speed, bool extlpbk) u32 val, bmcr, mac_mode, ptest = 0; tg3_phy_toggle_apd(tp, false); - tg3_phy_toggle_automdix(tp, 0); + tg3_phy_toggle_automdix(tp, false); if (extlpbk && tg3_phy_set_extloopbk(tp)) return -EIO; @@ -7641,7 +8011,7 @@ static void tg3_set_loopback(struct net_device *dev, netdev_features_t features) spin_lock_bh(&tp->lock); tg3_mac_loopback(tp, false); /* Force link status check */ - tg3_setup_phy(tp, 1); + tg3_setup_phy(tp, true); spin_unlock_bh(&tp->lock); netdev_info(dev, "Internal MAC loopback mode disabled.\n"); } @@ -8039,11 +8409,9 @@ static int tg3_mem_rx_acquire(struct tg3 *tp) tnapi->rx_rcb = dma_alloc_coherent(&tp->pdev->dev, TG3_RX_RCB_RING_BYTES(tp), &tnapi->rx_rcb_mapping, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (!tnapi->rx_rcb) goto err_out; - - memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp)); } return 0; @@ -8093,12 +8461,10 @@ static int tg3_alloc_consistent(struct tg3 *tp) tp->hw_stats = dma_alloc_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats), &tp->stats_mapping, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (!tp->hw_stats) goto err_out; - memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats)); - for (i = 0; i < tp->irq_cnt; i++) { struct tg3_napi *tnapi = &tp->napi[i]; struct tg3_hw_status *sblk; @@ -8106,11 +8472,10 @@ static int tg3_alloc_consistent(struct tg3 *tp) tnapi->hw_status = dma_alloc_coherent(&tp->pdev->dev, TG3_HW_STATUS_SIZE, &tnapi->status_mapping, - GFP_KERNEL); + GFP_KERNEL | __GFP_ZERO); if (!tnapi->hw_status) goto err_out; - memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); sblk = tnapi->hw_status; if (tg3_flag(tp, ENABLE_RSS)) { @@ -8157,7 +8522,7 @@ err_out: /* To stop a block, clear the enable bit and poll till it * clears. tp->lock is held. */ -static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent) +static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, bool silent) { unsigned int i; u32 val; @@ -8201,7 +8566,7 @@ static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int } /* tp->lock is held. */ -static int tg3_abort_hw(struct tg3 *tp, int silent) +static int tg3_abort_hw(struct tg3 *tp, bool silent) { int i, err; @@ -8561,6 +8926,9 @@ static int tg3_chip_reset(struct tg3 *tp) /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); + tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK | + TG3_PHYFLG_KEEP_LINK_ON_PWRDN); + tg3_flag_clear(tp, ASF_NEW_HANDSHAKE); tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); if (val == NIC_SRAM_DATA_SIG_MAGIC) { @@ -8572,6 +8940,12 @@ static int tg3_chip_reset(struct tg3 *tp) tp->last_event_jiffies = jiffies; if (tg3_flag(tp, 5750_PLUS)) tg3_flag_set(tp, ASF_NEW_HANDSHAKE); + + tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &nic_cfg); + if (nic_cfg & NIC_SRAM_1G_ON_VAUX_OK) + tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK; + if (nic_cfg & NIC_SRAM_LNK_FLAP_AVOID) + tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN; } } @@ -8582,7 +8956,7 @@ static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *); static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *); /* tp->lock is held. */ -static int tg3_halt(struct tg3 *tp, int kind, int silent) +static int tg3_halt(struct tg3 *tp, int kind, bool silent) { int err; @@ -8593,7 +8967,7 @@ static int tg3_halt(struct tg3 *tp, int kind, int silent) tg3_abort_hw(tp, silent); err = tg3_chip_reset(tp); - __tg3_set_mac_addr(tp, 0); + __tg3_set_mac_addr(tp, false); tg3_write_sig_legacy(tp, kind); tg3_write_sig_post_reset(tp, kind); @@ -8617,7 +8991,8 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p) { struct tg3 *tp = netdev_priv(dev); struct sockaddr *addr = p; - int err = 0, skip_mac_1 = 0; + int err = 0; + bool skip_mac_1 = false; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; @@ -8638,7 +9013,7 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p) /* Skip MAC addr 1 if ASF is using it. */ if ((addr0_high != addr1_high || addr0_low != addr1_low) && !(addr1_high == 0 && addr1_low == 0)) - skip_mac_1 = 1; + skip_mac_1 = true; } spin_lock_bh(&tp->lock); __tg3_set_mac_addr(tp, skip_mac_1); @@ -9057,7 +9432,7 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp) } /* tp->lock is held. */ -static int tg3_reset_hw(struct tg3 *tp, int reset_phy) +static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) { u32 val, rdmac_mode; int i, err, limit; @@ -9106,6 +9481,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) TG3_CPMU_DBTMR2_TXIDXEQ_2047US); } + if ((tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) && + !(tp->phy_flags & TG3_PHYFLG_USER_CONFIGURED)) { + tg3_phy_pull_config(tp); + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + } + if (reset_phy) tg3_phy_reset(tp); @@ -9444,7 +9825,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) tg3_rings_reset(tp); /* Initialize MAC address and backoff seed. */ - __tg3_set_mac_addr(tp, 0); + __tg3_set_mac_addr(tp, false); /* MTU + ethernet header + FCS + optional VLAN tag */ tw32(MAC_RX_MTU_SIZE, @@ -9781,6 +10162,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) return err; } + if (tg3_asic_rev(tp) == ASIC_REV_57766) { + /* Ignore any errors for the firmware download. If download + * fails, the device will operate with EEE disabled + */ + tg3_load_57766_firmware(tp); + } + if (tg3_flag(tp, TSO_CAPABLE)) { err = tg3_load_tso_firmware(tp); if (err) @@ -9888,7 +10276,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER; - err = tg3_setup_phy(tp, 0); + err = tg3_setup_phy(tp, false); if (err) return err; @@ -9968,7 +10356,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) /* Called at device open time to get the chip ready for * packet processing. Invoked with tp->lock held. */ -static int tg3_init_hw(struct tg3 *tp, int reset_phy) +static int tg3_init_hw(struct tg3 *tp, bool reset_phy) { tg3_switch_clocks(tp); @@ -10229,7 +10617,7 @@ static void tg3_timer(unsigned long __opaque) phy_event = 1; if (phy_event) - tg3_setup_phy(tp, 0); + tg3_setup_phy(tp, false); } else if (tg3_flag(tp, POLL_SERDES)) { u32 mac_stat = tr32(MAC_STATUS); int need_setup = 0; @@ -10252,7 +10640,7 @@ static void tg3_timer(unsigned long __opaque) tw32_f(MAC_MODE, tp->mac_mode); udelay(40); } - tg3_setup_phy(tp, 0); + tg3_setup_phy(tp, false); } } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) && tg3_flag(tp, 5780_CLASS)) { @@ -10338,7 +10726,7 @@ static void tg3_timer_stop(struct tg3 *tp) /* Restart hardware after configuration changes, self-test, etc. * Invoked with tp->lock held. */ -static int tg3_restart_hw(struct tg3 *tp, int reset_phy) +static int tg3_restart_hw(struct tg3 *tp, bool reset_phy) __releases(tp->lock) __acquires(tp->lock) { @@ -10388,7 +10776,7 @@ static void tg3_reset_task(struct work_struct *work) } tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); - err = tg3_init_hw(tp, 1); + err = tg3_init_hw(tp, true); if (err) goto out; @@ -10558,7 +10946,7 @@ static int tg3_test_msi(struct tg3 *tp) tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - err = tg3_init_hw(tp, 1); + err = tg3_init_hw(tp, true); tg3_full_unlock(tp); @@ -10570,7 +10958,7 @@ static int tg3_test_msi(struct tg3 *tp) static int tg3_request_firmware(struct tg3 *tp) { - const __be32 *fw_data; + const struct tg3_firmware_hdr *fw_hdr; if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) { netdev_err(tp->dev, "Failed to load firmware \"%s\"\n", @@ -10578,15 +10966,15 @@ static int tg3_request_firmware(struct tg3 *tp) return -ENOENT; } - fw_data = (void *)tp->fw->data; + fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data; /* Firmware blob starts with version numbers, followed by * start address and _full_ length including BSS sections * (which must be longer than the actual data, of course */ - tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ - if (tp->fw_len < (tp->fw->size - 12)) { + tp->fw_len = be32_to_cpu(fw_hdr->len); /* includes bss */ + if (tp->fw_len < (tp->fw->size - TG3_FW_HDR_LEN)) { netdev_err(tp->dev, "bogus length %d in \"%s\"\n", tp->fw_len, tp->fw_needed); release_firmware(tp->fw); @@ -10885,7 +11273,15 @@ static int tg3_open(struct net_device *dev) if (tp->fw_needed) { err = tg3_request_firmware(tp); - if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) { + if (tg3_asic_rev(tp) == ASIC_REV_57766) { + if (err) { + netdev_warn(tp->dev, "EEE capability disabled\n"); + tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP; + } else if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) { + netdev_warn(tp->dev, "EEE capability restored\n"); + tp->phy_flags |= TG3_PHYFLG_EEE_CAP; + } + } else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) { if (err) return err; } else if (err) { @@ -10910,7 +11306,9 @@ static int tg3_open(struct net_device *dev) tg3_full_unlock(tp); - err = tg3_start(tp, true, true, true); + err = tg3_start(tp, + !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN), + true, true); if (err) { tg3_frob_aux_power(tp, false); pci_set_power_state(tp->pdev, PCI_D3hot); @@ -11416,8 +11814,12 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) tp->link_config.duplex = cmd->duplex; } + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + + tg3_warn_mgmt_link_flap(tp); + if (netif_running(dev)) - tg3_setup_phy(tp, 1); + tg3_setup_phy(tp, true); tg3_full_unlock(tp); @@ -11494,6 +11896,8 @@ static int tg3_nway_reset(struct net_device *dev) if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) return -EINVAL; + tg3_warn_mgmt_link_flap(tp); + if (tg3_flag(tp, USE_PHYLIB)) { if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) return -EAGAIN; @@ -11571,7 +11975,7 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e if (netif_running(dev)) { tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - err = tg3_restart_hw(tp, 1); + err = tg3_restart_hw(tp, false); if (!err) tg3_netif_start(tp); } @@ -11606,6 +12010,9 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam struct tg3 *tp = netdev_priv(dev); int err = 0; + if (tp->link_config.autoneg == AUTONEG_ENABLE) + tg3_warn_mgmt_link_flap(tp); + if (tg3_flag(tp, USE_PHYLIB)) { u32 newadv; struct phy_device *phydev; @@ -11692,7 +12099,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam if (netif_running(dev)) { tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - err = tg3_restart_hw(tp, 1); + err = tg3_restart_hw(tp, false); if (!err) tg3_netif_start(tp); } @@ -11700,6 +12107,8 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam tg3_full_unlock(tp); } + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + return err; } @@ -12760,7 +13169,7 @@ static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk) goto done; } - err = tg3_reset_hw(tp, 1); + err = tg3_reset_hw(tp, true); if (err) { data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED; data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED; @@ -12927,7 +13336,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); if (netif_running(dev)) { tg3_flag_set(tp, INIT_COMPLETE); - err2 = tg3_restart_hw(tp, 1); + err2 = tg3_restart_hw(tp, true); if (!err2) tg3_netif_start(tp); } @@ -13244,7 +13653,8 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp, static int tg3_change_mtu(struct net_device *dev, int new_mtu) { struct tg3 *tp = netdev_priv(dev); - int err, reset_phy = 0; + int err; + bool reset_phy = false; if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp)) return -EINVAL; @@ -13271,7 +13681,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) * breaks all requests to 256 bytes. */ if (tg3_asic_rev(tp) == ASIC_REV_57766) - reset_phy = 1; + reset_phy = true; err = tg3_restart_hw(tp, reset_phy); @@ -13837,6 +14247,12 @@ static void tg3_get_5720_nvram_info(struct tg3 *tp) case FLASH_5762_EEPROM_LD: nvmpinstrp = FLASH_5720_EEPROM_LD; break; + case FLASH_5720VENDOR_M_ST_M45PE20: + /* This pinstrap supports multiple sizes, so force it + * to read the actual size from location 0xf0. + */ + nvmpinstrp = FLASH_5720VENDOR_ST_45USPT; + break; } } @@ -14289,14 +14705,18 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp) (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN)) tp->phy_flags |= TG3_PHYFLG_ENABLE_APD; - if (tg3_flag(tp, PCI_EXPRESS) && - tg3_asic_rev(tp) != ASIC_REV_5785 && - !tg3_flag(tp, 57765_PLUS)) { + if (tg3_flag(tp, PCI_EXPRESS)) { u32 cfg3; tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3); - if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE) + if (tg3_asic_rev(tp) != ASIC_REV_5785 && + !tg3_flag(tp, 57765_PLUS) && + (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)) tg3_flag_set(tp, ASPM_WORKAROUND); + if (cfg3 & NIC_SRAM_LNK_FLAP_AVOID) + tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN; + if (cfg3 & NIC_SRAM_1G_ON_VAUX_OK) + tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK; } if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE) @@ -14450,6 +14870,12 @@ static int tg3_phy_probe(struct tg3 *tp) } } + if (!tg3_flag(tp, ENABLE_ASF) && + !(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && + !(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) + tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK | + TG3_PHYFLG_KEEP_LINK_ON_PWRDN); + if (tg3_flag(tp, USE_PHYLIB)) return tg3_phy_init(tp); @@ -14515,6 +14941,7 @@ static int tg3_phy_probe(struct tg3 *tp) if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && (tg3_asic_rev(tp) == ASIC_REV_5719 || tg3_asic_rev(tp) == ASIC_REV_5720 || + tg3_asic_rev(tp) == ASIC_REV_57766 || tg3_asic_rev(tp) == ASIC_REV_5762 || (tg3_asic_rev(tp) == ASIC_REV_5717 && tg3_chip_rev_id(tp) != CHIPREV_ID_5717_A0) || @@ -14524,7 +14951,8 @@ static int tg3_phy_probe(struct tg3 *tp) tg3_phy_init_link_config(tp); - if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && + if (!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) && + !(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && !tg3_flag(tp, ENABLE_APE) && !tg3_flag(tp, ENABLE_ASF)) { u32 bmsr, dummy; @@ -15300,7 +15728,8 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) } else if (tg3_asic_rev(tp) != ASIC_REV_5700 && tg3_asic_rev(tp) != ASIC_REV_5701 && tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) { - tg3_flag_set(tp, TSO_BUG); + tg3_flag_set(tp, FW_TSO); + tg3_flag_set(tp, TSO_BUG); if (tg3_asic_rev(tp) == ASIC_REV_5705) tp->fw_needed = FIRMWARE_TG3TSO5; else @@ -15311,7 +15740,7 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) if (tg3_flag(tp, HW_TSO_1) || tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3) || - tp->fw_needed) { + tg3_flag(tp, FW_TSO)) { /* For firmware TSO, assume ASF is disabled. * We'll disable TSO later if we discover ASF * is enabled in tg3_get_eeprom_hw_cfg(). @@ -15326,6 +15755,9 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) tp->fw_needed = FIRMWARE_TG3; + if (tg3_asic_rev(tp) == ASIC_REV_57766) + tp->fw_needed = FIRMWARE_TG357766; + tp->irq_max = 1; if (tg3_flag(tp, 5750_PLUS)) { @@ -15598,7 +16030,7 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) */ tg3_get_eeprom_hw_cfg(tp); - if (tp->fw_needed && tg3_flag(tp, ENABLE_ASF)) { + if (tg3_flag(tp, FW_TSO) && tg3_flag(tp, ENABLE_ASF)) { tg3_flag_clear(tp, TSO_CAPABLE); tg3_flag_clear(tp, TSO_BUG); tp->fw_needed = NULL; @@ -15786,6 +16218,11 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) udelay(50); tg3_nvram_init(tp); + /* If the device has an NVRAM, no need to load patch firmware */ + if (tg3_asic_rev(tp) == ASIC_REV_57766 && + !tg3_flag(tp, NO_NVRAM)) + tp->fw_needed = NULL; + grc_misc_cfg = tr32(GRC_MISC_CFG); grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK; @@ -16144,7 +16581,7 @@ out: } static int tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, - int size, int to_device) + int size, bool to_device) { struct tg3_internal_buffer_desc test_desc; u32 sram_dma_descs; @@ -16344,7 +16781,7 @@ static int tg3_test_dma(struct tg3 *tp) p[i] = i; /* Send the buffer to the chip. */ - ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1); + ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, true); if (ret) { dev_err(&tp->pdev->dev, "%s: Buffer write failed. err = %d\n", @@ -16367,7 +16804,7 @@ static int tg3_test_dma(struct tg3 *tp) } #endif /* Now read it back. */ - ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0); + ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, false); if (ret) { dev_err(&tp->pdev->dev, "%s: Buffer read failed. " "err = %d\n", __func__, ret); @@ -16763,7 +17200,7 @@ static int tg3_init_one(struct pci_dev *pdev, tg3_init_bufmgr_config(tp); - features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; /* 5700 B0 chips do not support checksumming correctly due * to hardware bugs. @@ -17048,7 +17485,7 @@ static int tg3_suspend(struct device *device) tg3_full_lock(tp, 0); tg3_flag_set(tp, INIT_COMPLETE); - err2 = tg3_restart_hw(tp, 1); + err2 = tg3_restart_hw(tp, true); if (err2) goto out; @@ -17082,7 +17519,8 @@ static int tg3_resume(struct device *device) tg3_full_lock(tp, 0); tg3_flag_set(tp, INIT_COMPLETE); - err = tg3_restart_hw(tp, 1); + err = tg3_restart_hw(tp, + !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)); if (err) goto out; @@ -17098,15 +17536,9 @@ out: return err; } +#endif /* CONFIG_PM_SLEEP */ static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume); -#define TG3_PM_OPS (&tg3_pm_ops) - -#else - -#define TG3_PM_OPS NULL - -#endif /* CONFIG_PM_SLEEP */ /** * tg3_io_error_detected - called when PCI error is detected @@ -17221,7 +17653,7 @@ static void tg3_io_resume(struct pci_dev *pdev) tg3_full_lock(tp, 0); tg3_flag_set(tp, INIT_COMPLETE); - err = tg3_restart_hw(tp, 1); + err = tg3_restart_hw(tp, true); if (err) { tg3_full_unlock(tp); netdev_err(netdev, "Cannot restart hardware after reset.\n"); @@ -17254,7 +17686,7 @@ static struct pci_driver tg3_driver = { .probe = tg3_init_one, .remove = tg3_remove_one, .err_handler = &tg3_err_handler, - .driver.pm = TG3_PM_OPS, + .driver.pm = &tg3_pm_ops, }; static int __init tg3_init(void) |