diff options
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 964 |
1 files changed, 730 insertions, 234 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 2e76c4afaf98..ea117fc3d5e3 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -39,6 +39,7 @@ #include <linux/workqueue.h> #include <linux/if_vlan.h> #include <linux/prefetch.h> +#include <linux/debugfs.h> #include <linux/mii.h> #include <asm/irq.h> @@ -50,7 +51,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.14" +#define DRV_VERSION "1.18" #define PFX DRV_NAME " " /* @@ -64,7 +65,6 @@ #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) #define RX_DEF_PENDING RX_MAX_PENDING #define RX_SKB_ALIGN 8 -#define RX_BUF_WRITE 16 #define TX_RING_SIZE 512 #define TX_DEF_PENDING (TX_RING_SIZE - 1) @@ -77,6 +77,9 @@ #define NAPI_WEIGHT 64 #define PHY_RETRIES 1000 +#define SKY2_EEPROM_MAGIC 0x9955aabb + + #define RING_NEXT(x,s) (((x)+1) & ((s)-1)) static const u32 default_msg = @@ -96,10 +99,6 @@ static int disable_msi = 0; module_param(disable_msi, int, 0); MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); -static int idle_timeout = 100; -module_param(idle_timeout, int, 0); -MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)"); - static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ @@ -119,18 +118,21 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4354) }, /* 88E8040 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x435A) }, /* 88E8048 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, /* 88E8070 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, /* 88EC042 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ -// { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ { 0 } }; @@ -148,8 +150,11 @@ static const char *yukon2_name[] = { "Extreme", /* 0xb5 */ "EC", /* 0xb6 */ "FE", /* 0xb7 */ + "FE+", /* 0xb8 */ }; +static void sky2_set_multicast(struct net_device *dev); + /* Access to external PHY */ static int gm_phy_write(struct sky2_hw *hw, unsigned port, u16 reg, u16 val) { @@ -216,14 +221,29 @@ static void sky2_power_on(struct sky2_hw *hw) else sky2_write8(hw, B2_Y2_CLK_GATE, 0); - if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) { - u32 reg1; + if (hw->flags & SKY2_HW_ADV_POWER_CTL) { + u32 reg; sky2_pci_write32(hw, PCI_DEV_REG3, 0); - reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); - reg1 &= P_ASPM_CONTROL_MSK; - sky2_pci_write32(hw, PCI_DEV_REG4, reg1); - sky2_pci_write32(hw, PCI_DEV_REG5, 0); + + reg = sky2_pci_read32(hw, PCI_DEV_REG4); + /* set all bits to 0 except bits 15..12 and 8 */ + reg &= P_ASPM_CONTROL_MSK; + sky2_pci_write32(hw, PCI_DEV_REG4, reg); + + reg = sky2_pci_read32(hw, PCI_DEV_REG5); + /* set all bits to 0 except bits 28 & 27 */ + reg &= P_CTL_TIM_VMAIN_AV_MSK; + sky2_pci_write32(hw, PCI_DEV_REG5, reg); + + sky2_pci_write32(hw, PCI_CFG_REG_1, 0); + + /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */ + reg = sky2_read32(hw, B2_GP_IO); + reg |= GLB_GPIO_STAT_RACE_DIS; + sky2_write32(hw, B2_GP_IO, reg); + + sky2_read32(hw, B2_GP_IO); } } @@ -294,10 +314,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) struct sky2_port *sky2 = netdev_priv(hw->dev[port]); u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; - if (sky2->autoneg == AUTONEG_ENABLE - && !(hw->chip_id == CHIP_ID_YUKON_XL - || hw->chip_id == CHIP_ID_YUKON_EC_U - || hw->chip_id == CHIP_ID_YUKON_EX)) { + if (sky2->autoneg == AUTONEG_ENABLE && + !(hw->flags & SKY2_HW_NEWER_PHY)) { u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | @@ -317,9 +335,19 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); if (sky2_is_copper(hw)) { - if (hw->chip_id == CHIP_ID_YUKON_FE) { + if (!(hw->flags & SKY2_HW_GIGABIT)) { /* enable automatic crossover */ ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; + + if (hw->chip_id == CHIP_ID_YUKON_FE_P && + hw->chip_rev == CHIP_REV_YU_FE2_A0) { + u16 spec; + + /* Enable Class A driver for FE+ A0 */ + spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2); + spec |= PHY_M_FESC_SEL_CL_A; + gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec); + } } else { /* disable energy detect */ ctrl &= ~PHY_M_PC_EN_DET_MSK; @@ -329,9 +357,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* downshift on PHY 88E1112 and 88E1149 is changed */ if (sky2->autoneg == AUTONEG_ENABLE - && (hw->chip_id == CHIP_ID_YUKON_XL - || hw->chip_id == CHIP_ID_YUKON_EC_U - || hw->chip_id == CHIP_ID_YUKON_EX)) { + && (hw->flags & SKY2_HW_NEWER_PHY)) { /* set downshift counter to 3x and enable downshift */ ctrl &= ~PHY_M_PC_DSC_MSK; ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; @@ -347,7 +373,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); /* special setup for PHY 88E1112 Fiber */ - if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) { + if (hw->chip_id == CHIP_ID_YUKON_XL && (hw->flags & SKY2_HW_FIBRE_PHY)) { pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ @@ -438,7 +464,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) gma_write16(hw, port, GM_GP_CTRL, reg); - if (hw->chip_id != CHIP_ID_YUKON_FE) + if (hw->flags & SKY2_HW_GIGABIT) gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); @@ -462,6 +488,23 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); break; + case CHIP_ID_YUKON_FE_P: + /* Enable Link Partner Next Page */ + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + ctrl |= PHY_M_PC_ENA_LIP_NP; + + /* disable Energy Detect and enable scrambler */ + ctrl &= ~(PHY_M_PC_ENA_ENE_DT | PHY_M_PC_DIS_SCRAMB); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + + /* set LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED */ + ctrl = PHY_M_FELP_LED2_CTRL(LED_PAR_CTRL_ACT_BL) | + PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_LINK) | + PHY_M_FELP_LED0_CTRL(LED_PAR_CTRL_SPEED); + + gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); + break; + case CHIP_ID_YUKON_XL: pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); @@ -531,7 +574,13 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* set page register to 0 */ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); + } else if (hw->chip_id == CHIP_ID_YUKON_FE_P && + hw->chip_rev == CHIP_REV_YU_FE2_A0) { + /* apply workaround for integrated resistors calibration */ + gm_phy_write(hw, port, PHY_MARV_PAGE_ADDR, 17); + gm_phy_write(hw, port, PHY_MARV_PAGE_DATA, 0x3f60); } else if (hw->chip_id != CHIP_ID_YUKON_EX) { + /* no effect on Yukon-XL */ gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { @@ -650,10 +699,35 @@ static void sky2_wol_init(struct sky2_port *sky2) } +static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) +{ + struct net_device *dev = hw->dev[port]; + + if (dev->mtu <= ETH_DATA_LEN) + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), + TX_JUMBO_DIS | TX_STFW_ENA); + + else if (hw->chip_id != CHIP_ID_YUKON_EC_U) + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), + TX_STFW_ENA | TX_JUMBO_ENA); + else { + /* set Tx GMAC FIFO Almost Empty Threshold */ + sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), + (ECU_JUMBO_WM << 16) | ECU_AE_THR); + + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), + TX_JUMBO_ENA | TX_STFW_DIS); + + /* Can't do offload because of lack of store/forward */ + dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM); + } +} + static void sky2_mac_init(struct sky2_hw *hw, unsigned port) { struct sky2_port *sky2 = netdev_priv(hw->dev[port]); u16 reg; + u32 rx_reg; int i; const u8 *addr = hw->dev[port]->dev_addr; @@ -730,33 +804,34 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) /* Configure Rx MAC FIFO */ sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); - sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), - GMF_OPER_ON | GMF_RX_F_FL_ON); + rx_reg = GMF_OPER_ON | GMF_RX_F_FL_ON; + if (hw->chip_id == CHIP_ID_YUKON_EX || + hw->chip_id == CHIP_ID_YUKON_FE_P) + rx_reg |= GMF_RX_OVER_ON; + + sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg); /* Flush Rx MAC FIFO on any flow control or error */ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ - sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1); + reg = RX_GMF_FL_THR_DEF + 1; + /* Another magic mystery workaround from sk98lin */ + if (hw->chip_id == CHIP_ID_YUKON_FE_P && + hw->chip_rev == CHIP_REV_YU_FE2_A0) + reg = 0x178; + sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), reg); /* Configure Tx MAC FIFO */ sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); - if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) { + /* On chips without ram buffer, pause is controled by MAC level */ + if (sky2_read8(hw, B2_E_0) == 0) { sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); - /* set Tx GMAC FIFO Almost Empty Threshold */ - sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), - (ECU_JUMBO_WM << 16) | ECU_AE_THR); - - if (hw->dev[port]->mtu > ETH_DATA_LEN) - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_ENA | TX_STFW_DIS); - else - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_DIS | TX_STFW_ENA); + sky2_set_tx_stfwd(hw, port); } } @@ -835,6 +910,20 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) return le; } +static void tx_init(struct sky2_port *sky2) +{ + struct sky2_tx_le *le; + + sky2->tx_prod = sky2->tx_cons = 0; + sky2->tx_tcpsum = 0; + sky2->tx_last_mss = 0; + + le = get_tx_le(sky2); + le->addr = 0; + le->opcode = OP_ADDR64 | HW_OWNER; + sky2->tx_addr64 = 0; +} + static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, struct sky2_tx_le *le) { @@ -861,24 +950,18 @@ static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) return le; } -/* Return high part of DMA address (could be 32 or 64 bit) */ -static inline u32 high32(dma_addr_t a) -{ - return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; -} - /* Build description to hardware for one receive segment */ static void sky2_rx_add(struct sky2_port *sky2, u8 op, dma_addr_t map, unsigned len) { struct sky2_rx_le *le; - u32 hi = high32(map); + u32 hi = upper_32_bits(map); if (sky2->rx_addr64 != hi) { le = sky2_next_rx(sky2); le->addr = cpu_to_le32(hi); le->opcode = OP_ADDR64 | HW_OWNER; - sky2->rx_addr64 = high32(map + len); + sky2->rx_addr64 = upper_32_bits(map + len); } le = sky2_next_rx(sky2); @@ -937,9 +1020,8 @@ static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) */ static void rx_set_checksum(struct sky2_port *sky2) { - struct sky2_rx_le *le; + struct sky2_rx_le *le = sky2_next_rx(sky2); - le = sky2_next_rx(sky2); le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); le->ctrl = 0; le->opcode = OP_TCPSTART | HW_OWNER; @@ -947,7 +1029,6 @@ static void rx_set_checksum(struct sky2_port *sky2) sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); - } /* @@ -1106,6 +1187,11 @@ nomem: return NULL; } +static inline void sky2_rx_update(struct sky2_port *sky2, unsigned rxq) +{ + sky2_put_idx(sky2->hw, rxq, sky2->rx_put); +} + /* * Allocate and setup receiver buffer pool. * Normal case this ends up creating one list element for skb @@ -1134,15 +1220,15 @@ static int sky2_rx_start(struct sky2_port *sky2) if (hw->chip_id == CHIP_ID_YUKON_EC_U && (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) - sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); + sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS); sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); - rx_set_checksum(sky2); + if (!(hw->flags & SKY2_HW_NEW_LE)) + rx_set_checksum(sky2); /* Space needed for frame data + headers rounded up */ - size = ALIGN(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8) - + 8; + size = roundup(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8); /* Stopping point for hardware truncation */ thresh = (size - 8) / sizeof(u32); @@ -1197,7 +1283,7 @@ static int sky2_rx_start(struct sky2_port *sky2) } /* Tell chip about available buffers */ - sky2_put_idx(hw, rxq, sky2->rx_put); + sky2_rx_update(sky2, rxq); return 0; nomem: sky2_rx_clean(sky2); @@ -1210,7 +1296,7 @@ static int sky2_up(struct net_device *dev) struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; - u32 ramsize, imask; + u32 imask, ramsize; int cap, err = -ENOMEM; struct net_device *otherdev = hw->dev[sky2->port^1]; @@ -1248,7 +1334,8 @@ static int sky2_up(struct net_device *dev) GFP_KERNEL); if (!sky2->tx_ring) goto err_out; - sky2->tx_prod = sky2->tx_cons = 0; + + tx_init(sky2); sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, &sky2->rx_le_map); @@ -1267,11 +1354,10 @@ static int sky2_up(struct net_device *dev) /* Register is number of 4K blocks on internal RAM buffer. */ ramsize = sky2_read8(hw, B2_E_0) * 4; - printk(KERN_INFO PFX "%s: ram buffer %dK\n", dev->name, ramsize); - if (ramsize > 0) { u32 rxspace; + pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize); if (ramsize < 16) rxspace = ramsize / 2; else @@ -1287,6 +1373,10 @@ static int sky2_up(struct net_device *dev) sky2_qset(hw, txqaddr[port]); + /* This is copied from sk98lin 10.0.5.3; no one tells me about erratta's */ + if (hw->chip_id == CHIP_ID_YUKON_EX && hw->chip_rev == CHIP_REV_YU_EX_B0) + sky2_write32(hw, Q_ADDR(txqaddr[port], Q_TEST), F_TX_CHK_AUTO_OFF); + /* Set almost empty threshold */ if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_U_A0) @@ -1382,27 +1472,32 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) len = skb_headlen(skb); mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); - addr64 = high32(mapping); + addr64 = upper_32_bits(mapping); /* Send high bits if changed or crosses boundary */ - if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { + if (addr64 != sky2->tx_addr64 || + upper_32_bits(mapping + len) != sky2->tx_addr64) { le = get_tx_le(sky2); le->addr = cpu_to_le32(addr64); le->opcode = OP_ADDR64 | HW_OWNER; - sky2->tx_addr64 = high32(mapping + len); + sky2->tx_addr64 = upper_32_bits(mapping + len); } /* Check for TCP Segmentation Offload */ mss = skb_shinfo(skb)->gso_size; if (mss != 0) { - mss += tcp_optlen(skb); /* TCP options */ - mss += ip_hdrlen(skb) + sizeof(struct tcphdr); - mss += ETH_HLEN; - if (mss != sky2->tx_last_mss) { - le = get_tx_le(sky2); - le->addr = cpu_to_le32(mss); - le->opcode = OP_LRGLEN | HW_OWNER; + if (!(hw->flags & SKY2_HW_NEW_LE)) + mss += ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb); + + if (mss != sky2->tx_last_mss) { + le = get_tx_le(sky2); + le->addr = cpu_to_le32(mss); + + if (hw->flags & SKY2_HW_NEW_LE) + le->opcode = OP_MSS | HW_OWNER; + else + le->opcode = OP_LRGLEN | HW_OWNER; sky2->tx_last_mss = mss; } } @@ -1424,24 +1519,29 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) /* Handle TCP checksum offload */ if (skb->ip_summed == CHECKSUM_PARTIAL) { - const unsigned offset = skb_transport_offset(skb); - u32 tcpsum; - - tcpsum = offset << 16; /* sum start */ - tcpsum |= offset + skb->csum_offset; /* sum write */ - - ctrl |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; - if (ip_hdr(skb)->protocol == IPPROTO_UDP) - ctrl |= UDPTCP; - - if (tcpsum != sky2->tx_tcpsum) { - sky2->tx_tcpsum = tcpsum; - - le = get_tx_le(sky2); - le->addr = cpu_to_le32(tcpsum); - le->length = 0; /* initial checksum value */ - le->ctrl = 1; /* one packet */ - le->opcode = OP_TCPLISW | HW_OWNER; + /* On Yukon EX (some versions) encoding change. */ + if (hw->flags & SKY2_HW_AUTO_TX_SUM) + ctrl |= CALSUM; /* auto checksum */ + else { + const unsigned offset = skb_transport_offset(skb); + u32 tcpsum; + + tcpsum = offset << 16; /* sum start */ + tcpsum |= offset + skb->csum_offset; /* sum write */ + + ctrl |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; + if (ip_hdr(skb)->protocol == IPPROTO_UDP) + ctrl |= UDPTCP; + + if (tcpsum != sky2->tx_tcpsum) { + sky2->tx_tcpsum = tcpsum; + + le = get_tx_le(sky2); + le->addr = cpu_to_le32(tcpsum); + le->length = 0; /* initial checksum value */ + le->ctrl = 1; /* one packet */ + le->opcode = OP_TCPLISW | HW_OWNER; + } } } @@ -1461,7 +1561,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, frag->size, PCI_DMA_TODEVICE); - addr64 = high32(mapping); + addr64 = upper_32_bits(mapping); if (addr64 != sky2->tx_addr64) { le = get_tx_le(sky2); le->addr = cpu_to_le32(addr64); @@ -1531,13 +1631,13 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) if (unlikely(netif_msg_tx_done(sky2))) printk(KERN_DEBUG "%s: tx done %u\n", dev->name, idx); + sky2->net_stats.tx_packets++; sky2->net_stats.tx_bytes += re->skb->len; dev_kfree_skb_any(re->skb); + sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE); } - - le->opcode = 0; /* paranoia */ } sky2->tx_cons = idx; @@ -1656,11 +1756,15 @@ static int sky2_down(struct net_device *dev) static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) { - if (!sky2_is_copper(hw)) + if (hw->flags & SKY2_HW_FIBRE_PHY) return SPEED_1000; - if (hw->chip_id == CHIP_ID_YUKON_FE) - return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10; + if (!(hw->flags & SKY2_HW_GIGABIT)) { + if (aux & PHY_M_PS_SPEED_100) + return SPEED_100; + else + return SPEED_10; + } switch (aux & PHY_M_PS_SPEED_MSK) { case PHY_M_PS_SPEED_1000: @@ -1693,13 +1797,13 @@ static void sky2_link_up(struct sky2_port *sky2) netif_carrier_on(sky2->netdev); + mod_timer(&hw->watchdog_timer, jiffies + 1); + /* Turn on link LED */ sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); - if (hw->chip_id == CHIP_ID_YUKON_XL - || hw->chip_id == CHIP_ID_YUKON_EC_U - || hw->chip_id == CHIP_ID_YUKON_EX) { + if (hw->flags & SKY2_HW_NEWER_PHY) { u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ @@ -1786,7 +1890,7 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) /* Since the pause result bits seem to in different positions on * different chips. look at registers. */ - if (!sky2_is_copper(hw)) { + if (hw->flags & SKY2_HW_FIBRE_PHY) { /* Shift for bits in fiber PHY */ advert &= ~(ADVERTISE_PAUSE_CAP|ADVERTISE_PAUSE_ASYM); lpa &= ~(LPA_PAUSE_CAP|LPA_PAUSE_ASYM); @@ -1897,7 +2001,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu) if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) return -EINVAL; - if (new_mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_FE) + if (new_mtu > ETH_DATA_LEN && + (hw->chip_id == CHIP_ID_YUKON_FE || + hw->chip_id == CHIP_ID_YUKON_FE_P)) return -EINVAL; if (!netif_running(dev)) { @@ -1914,15 +2020,8 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu) synchronize_irq(hw->pdev->irq); - if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) { - if (new_mtu > ETH_DATA_LEN) { - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_ENA | TX_STFW_DIS); - dev->features &= NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM; - } else - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_DIS | TX_STFW_ENA); - } + if (sky2_read8(hw, B2_E_0) == 0) + sky2_set_tx_stfwd(hw, port); ctl = gma_read16(hw, port, GM_GP_CTRL); gma_write16(hw, port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); @@ -2020,8 +2119,6 @@ static struct sk_buff *receive_new(struct sky2_port *sky2, struct sk_buff *skb, *nskb; unsigned hdr_space = sky2->rx_data_size; - pr_debug(PFX "receive new length=%d\n", length); - /* Don't be tricky about reusing pages (yet) */ nskb = sky2_rx_alloc(sky2); if (unlikely(!nskb)) @@ -2051,6 +2148,13 @@ static struct sk_buff *sky2_receive(struct net_device *dev, struct sky2_port *sky2 = netdev_priv(dev); struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; struct sk_buff *skb = NULL; + u16 count = (status & GMR_FS_LEN) >> 16; + +#ifdef SKY2_VLAN_TAG_USED + /* Account for vlan tag */ + if (sky2->vlgrp && (status & GMR_FS_VLAN)) + count -= VLAN_HLEN; +#endif if (unlikely(netif_msg_rx_status(sky2))) printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n", @@ -2059,15 +2163,26 @@ static struct sk_buff *sky2_receive(struct net_device *dev, sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; prefetch(sky2->rx_ring + sky2->rx_next); + /* This chip has hardware problems that generates bogus status. + * So do only marginal checking and expect higher level protocols + * to handle crap frames. + */ + if (sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && + sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0 && + length != count) + goto okay; + if (status & GMR_FS_ANY_ERR) goto error; if (!(status & GMR_FS_RX_OK)) goto resubmit; - if (status >> 16 != length) - goto len_mismatch; + /* if length reported by DMA does not match PHY, packet was truncated */ + if (length != count) + goto len_error; +okay: if (length < copybreak) skb = receive_copy(sky2, re, length); else @@ -2077,10 +2192,14 @@ resubmit: return skb; -len_mismatch: +len_error: /* Truncation of overlength packets causes PHY length to not match MAC length */ ++sky2->net_stats.rx_length_errors; + if (netif_msg_rx_err(sky2) && net_ratelimit()) + pr_info(PFX "%s: rx length error: status %#x length %d\n", + dev->name, status, length); + goto resubmit; error: ++sky2->net_stats.rx_errors; @@ -2118,15 +2237,16 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) /* Process status response ring */ static int sky2_status_intr(struct sky2_hw *hw, int to_do) { - struct sky2_port *sky2; int work_done = 0; - unsigned buf_write[2] = { 0, 0 }; + unsigned rx[2] = { 0, 0 }; u16 hwidx = sky2_read16(hw, STAT_PUT_IDX); rmb(); while (hw->st_idx != hwidx) { + struct sky2_port *sky2; struct sky2_status_le *le = hw->st_le + hw->st_idx; + unsigned port = le->css & CSS_LINK_BIT; struct net_device *dev; struct sk_buff *skb; u32 status; @@ -2134,19 +2254,28 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); - BUG_ON(le->link >= 2); - dev = hw->dev[le->link]; - + dev = hw->dev[port]; sky2 = netdev_priv(dev); length = le16_to_cpu(le->length); status = le32_to_cpu(le->status); switch (le->opcode & ~HW_OWNER) { case OP_RXSTAT: + ++rx[port]; skb = sky2_receive(dev, length, status); if (unlikely(!skb)) { sky2->net_stats.rx_dropped++; - goto force_update; + break; + } + + /* This chip reports checksum status differently */ + if (hw->flags & SKY2_HW_NEW_LE) { + if (sky2->rx_csum && + (le->css & (CSS_ISIPV4 | CSS_ISIPV6)) && + (le->css & CSS_TCPUDPCSOK)) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; } skb->protocol = eth_type_trans(skb, dev); @@ -2163,13 +2292,6 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) #endif netif_receive_skb(skb); - /* Update receiver after 16 frames */ - if (++buf_write[le->link] == RX_BUF_WRITE) { -force_update: - sky2_put_idx(hw, rxqaddr[le->link], sky2->rx_put); - buf_write[le->link] = 0; - } - /* Stop after net poll weight */ if (++work_done >= to_do) goto exit_loop; @@ -2188,6 +2310,15 @@ force_update: if (!sky2->rx_csum) break; + /* If this happens then driver assuming wrong format */ + if (unlikely(hw->flags & SKY2_HW_NEW_LE)) { + if (net_ratelimit()) + printk(KERN_NOTICE "%s: unexpected" + " checksum status\n", + dev->name); + break; + } + /* Both checksum counters are programmed to start at * the same offset, so unless there is a problem they * should match. This failure is an early indication that @@ -2203,7 +2334,7 @@ force_update: dev->name, status); sky2->rx_csum = 0; sky2_write32(sky2->hw, - Q_ADDR(rxqaddr[le->link], Q_CSR), + Q_ADDR(rxqaddr[port], Q_CSR), BMU_DIS_RX_CHKSUM); } break; @@ -2222,24 +2353,18 @@ force_update: if (net_ratelimit()) printk(KERN_WARNING PFX "unknown status opcode 0x%x\n", le->opcode); - goto exit_loop; } } /* Fully processed status ring so clear irq */ sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); - mmiowb(); exit_loop: - if (buf_write[0]) { - sky2 = netdev_priv(hw->dev[0]); - sky2_put_idx(hw, Q_R1, sky2->rx_put); - } + if (rx[0]) + sky2_rx_update(netdev_priv(hw->dev[0]), Q_R1); - if (buf_write[1]) { - sky2 = netdev_priv(hw->dev[1]); - sky2_put_idx(hw, Q_R2, sky2->rx_put); - } + if (rx[1]) + sky2_rx_update(netdev_priv(hw->dev[1]), Q_R2); return work_done; } @@ -2384,25 +2509,72 @@ static void sky2_le_error(struct sky2_hw *hw, unsigned port, sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK); } -/* If idle then force a fake soft NAPI poll once a second - * to work around cases where sharing an edge triggered interrupt. - */ -static inline void sky2_idle_start(struct sky2_hw *hw) +static int sky2_rx_hung(struct net_device *dev) { - if (idle_timeout > 0) - mod_timer(&hw->idle_timer, - jiffies + msecs_to_jiffies(idle_timeout)); + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + unsigned rxq = rxqaddr[port]; + u32 mac_rp = sky2_read32(hw, SK_REG(port, RX_GMF_RP)); + u8 mac_lev = sky2_read8(hw, SK_REG(port, RX_GMF_RLEV)); + u8 fifo_rp = sky2_read8(hw, Q_ADDR(rxq, Q_RP)); + u8 fifo_lev = sky2_read8(hw, Q_ADDR(rxq, Q_RL)); + + /* If idle and MAC or PCI is stuck */ + if (sky2->check.last == dev->last_rx && + ((mac_rp == sky2->check.mac_rp && + mac_lev != 0 && mac_lev >= sky2->check.mac_lev) || + /* Check if the PCI RX hang */ + (fifo_rp == sky2->check.fifo_rp && + fifo_lev != 0 && fifo_lev >= sky2->check.fifo_lev))) { + printk(KERN_DEBUG PFX "%s: hung mac %d:%d fifo %d (%d:%d)\n", + dev->name, mac_lev, mac_rp, fifo_lev, fifo_rp, + sky2_read8(hw, Q_ADDR(rxq, Q_WP))); + return 1; + } else { + sky2->check.last = dev->last_rx; + sky2->check.mac_rp = mac_rp; + sky2->check.mac_lev = mac_lev; + sky2->check.fifo_rp = fifo_rp; + sky2->check.fifo_lev = fifo_lev; + return 0; + } } -static void sky2_idle(unsigned long arg) +static void sky2_watchdog(unsigned long arg) { struct sky2_hw *hw = (struct sky2_hw *) arg; - struct net_device *dev = hw->dev[0]; + struct net_device *dev; - if (__netif_rx_schedule_prep(dev)) - __netif_rx_schedule(dev); + /* Check for lost IRQ once a second */ + if (sky2_read32(hw, B0_ISRC)) { + dev = hw->dev[0]; + if (__netif_rx_schedule_prep(dev)) + __netif_rx_schedule(dev); + } else { + int i, active = 0; + + for (i = 0; i < hw->ports; i++) { + dev = hw->dev[i]; + if (!netif_running(dev)) + continue; + ++active; + + /* For chips with Rx FIFO, check if stuck */ + if ((hw->flags & SKY2_HW_FIFO_HANG_CHECK) && + sky2_rx_hung(dev)) { + pr_info(PFX "%s: receiver hang detected\n", + dev->name); + schedule_work(&hw->restart_work); + return; + } + } + + if (active == 0) + return; + } - mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout)); + mod_timer(&hw->watchdog_timer, round_jiffies(jiffies + HZ)); } /* Hardware/software error handling */ @@ -2499,17 +2671,25 @@ static void sky2_netpoll(struct net_device *dev) #endif /* Chip internal frequency for clock calculations */ -static inline u32 sky2_mhz(const struct sky2_hw *hw) +static u32 sky2_mhz(const struct sky2_hw *hw) { switch (hw->chip_id) { case CHIP_ID_YUKON_EC: case CHIP_ID_YUKON_EC_U: case CHIP_ID_YUKON_EX: - return 125; /* 125 Mhz */ + return 125; + case CHIP_ID_YUKON_FE: - return 100; /* 100 Mhz */ - default: /* YUKON_XL */ - return 156; /* 156 Mhz */ + return 100; + + case CHIP_ID_YUKON_FE_P: + return 50; + + case CHIP_ID_YUKON_XL: + return 156; + + default: + BUG(); } } @@ -2528,34 +2708,69 @@ static int __devinit sky2_init(struct sky2_hw *hw) { u8 t8; + /* Enable all clocks */ + sky2_pci_write32(hw, PCI_DEV_REG3, 0); + sky2_write8(hw, B0_CTST, CS_RST_CLR); hw->chip_id = sky2_read8(hw, B2_CHIP_ID); - if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { - dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", - hw->chip_id); - return -EOPNOTSUPP; - } + hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; - if (hw->chip_id == CHIP_ID_YUKON_EX) - dev_warn(&hw->pdev->dev, "this driver not yet tested on this chip type\n" - "Please report success or failure to <netdev@vger.kernel.org>\n"); + switch(hw->chip_id) { + case CHIP_ID_YUKON_XL: + hw->flags = SKY2_HW_GIGABIT + | SKY2_HW_NEWER_PHY; + if (hw->chip_rev < 3) + hw->flags |= SKY2_HW_FIFO_HANG_CHECK; - /* Make sure and enable all clocks */ - if (hw->chip_id == CHIP_ID_YUKON_EX || hw->chip_id == CHIP_ID_YUKON_EC_U) - sky2_pci_write32(hw, PCI_DEV_REG3, 0); + break; - hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; + case CHIP_ID_YUKON_EC_U: + hw->flags = SKY2_HW_GIGABIT + | SKY2_HW_NEWER_PHY + | SKY2_HW_ADV_POWER_CTL; + break; + + case CHIP_ID_YUKON_EX: + hw->flags = SKY2_HW_GIGABIT + | SKY2_HW_NEWER_PHY + | SKY2_HW_NEW_LE + | SKY2_HW_ADV_POWER_CTL; + + /* New transmit checksum */ + if (hw->chip_rev != CHIP_REV_YU_EX_B0) + hw->flags |= SKY2_HW_AUTO_TX_SUM; + break; + + case CHIP_ID_YUKON_EC: + /* This rev is really old, and requires untested workarounds */ + if (hw->chip_rev == CHIP_REV_YU_EC_A1) { + dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n"); + return -EOPNOTSUPP; + } + hw->flags = SKY2_HW_GIGABIT | SKY2_HW_FIFO_HANG_CHECK; + break; + + case CHIP_ID_YUKON_FE: + break; - /* This rev is really old, and requires untested workarounds */ - if (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == CHIP_REV_YU_EC_A1) { - dev_err(&hw->pdev->dev, "unsupported revision Yukon-%s (0x%x) rev %d\n", - yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], - hw->chip_id, hw->chip_rev); + case CHIP_ID_YUKON_FE_P: + hw->flags = SKY2_HW_NEWER_PHY + | SKY2_HW_NEW_LE + | SKY2_HW_AUTO_TX_SUM + | SKY2_HW_ADV_POWER_CTL; + break; + default: + dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", + hw->chip_id); return -EOPNOTSUPP; } hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); + if (hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P') + hw->flags |= SKY2_HW_FIBRE_PHY; + + hw->ports = 1; t8 = sky2_read8(hw, B2_Y2_HW_RES); if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { @@ -2604,6 +2819,11 @@ static void sky2_reset(struct sky2_hw *hw) for (i = 0; i < hw->ports; i++) { sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); + + if (hw->chip_id == CHIP_ID_YUKON_EX) + sky2_write16(hw, SK_REG(i, GMAC_CTRL), + GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON + | GMC_BYP_RETR_ON); } sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); @@ -2690,10 +2910,6 @@ static void sky2_restart(struct work_struct *work) struct net_device *dev; int i, err; - dev_dbg(&hw->pdev->dev, "restarting\n"); - - del_timer_sync(&hw->idle_timer); - rtnl_lock(); sky2_write32(hw, B0_IMSK, 0); sky2_read32(hw, B0_IMSK); @@ -2722,8 +2938,6 @@ static void sky2_restart(struct work_struct *work) } } - sky2_idle_start(hw); - rtnl_unlock(); } @@ -2750,7 +2964,9 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) sky2->wol = wol->wolopts; - if (hw->chip_id == CHIP_ID_YUKON_EC_U) + if (hw->chip_id == CHIP_ID_YUKON_EC_U || + hw->chip_id == CHIP_ID_YUKON_EX || + hw->chip_id == CHIP_ID_YUKON_FE_P) sky2_write32(hw, B0_CTST, sky2->wol ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF); @@ -2768,7 +2984,7 @@ static u32 sky2_supported_modes(const struct sky2_hw *hw) | SUPPORTED_100baseT_Full | SUPPORTED_Autoneg | SUPPORTED_TP; - if (hw->chip_id != CHIP_ID_YUKON_FE) + if (hw->flags & SKY2_HW_GIGABIT) modes |= SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full; return modes; @@ -2788,13 +3004,6 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) ecmd->supported = sky2_supported_modes(hw); ecmd->phy_address = PHY_ADDR_MARV; if (sky2_is_copper(hw)) { - ecmd->supported = SUPPORTED_10baseT_Half - | SUPPORTED_10baseT_Full - | SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full - | SUPPORTED_1000baseT_Half - | SUPPORTED_1000baseT_Full - | SUPPORTED_Autoneg | SUPPORTED_TP; ecmd->port = PORT_TP; ecmd->speed = sky2->speed; } else { @@ -2861,8 +3070,10 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) sky2->autoneg = ecmd->autoneg; sky2->advertising = ecmd->advertising; - if (netif_running(dev)) + if (netif_running(dev)) { sky2_phy_reinit(sky2); + sky2_set_multicast(dev); + } return 0; } @@ -2955,6 +3166,7 @@ static int sky2_nway_reset(struct net_device *dev) return -EINVAL; sky2_phy_reinit(sky2); + sky2_set_multicast(dev); return 0; } @@ -3345,7 +3557,7 @@ static int sky2_get_regs_len(struct net_device *dev) /* * Returns copy of control register region - * Note: access to the RAM address register set will cause timeouts. + * Note: ethtool_get_regs always provides full size (16k) buffer */ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) @@ -3353,15 +3565,19 @@ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, const struct sky2_port *sky2 = netdev_priv(dev); const void __iomem *io = sky2->hw->regs; - BUG_ON(regs->len < B3_RI_WTO_R1); regs->version = 1; memset(p, 0, regs->len); memcpy_fromio(p, io, B3_RAM_ADDR); - memcpy_fromio(p + B3_RI_WTO_R1, - io + B3_RI_WTO_R1, - regs->len - B3_RI_WTO_R1); + /* skip diagnostic ram region */ + memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, 0x2000 - B3_RI_WTO_R1); + + /* copy GMAC registers */ + memcpy_fromio(p + BASE_GMAC_1, io + BASE_GMAC_1, 0x1000); + if (sky2->hw->ports > 1) + memcpy_fromio(p + BASE_GMAC_2, io + BASE_GMAC_2, 0x1000); + } /* In order to do Jumbo packets on these chips, need to turn off the @@ -3372,9 +3588,7 @@ static int no_tx_offload(struct net_device *dev) const struct sky2_port *sky2 = netdev_priv(dev); const struct sky2_hw *hw = sky2->hw; - return dev->mtu > ETH_DATA_LEN && - (hw->chip_id == CHIP_ID_YUKON_EX - || hw->chip_id == CHIP_ID_YUKON_EC_U); + return dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U; } static int sky2_set_tx_csum(struct net_device *dev, u32 data) @@ -3394,39 +3608,314 @@ static int sky2_set_tso(struct net_device *dev, u32 data) return ethtool_op_set_tso(dev, data); } +static int sky2_get_eeprom_len(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + u16 reg2; + + reg2 = sky2_pci_read32(sky2->hw, PCI_DEV_REG2); + return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); +} + +static u32 sky2_vpd_read(struct sky2_hw *hw, int cap, u16 offset) +{ + sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset); + + while (!(sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F)) + cpu_relax(); + return sky2_pci_read32(hw, cap + PCI_VPD_DATA); +} + +static void sky2_vpd_write(struct sky2_hw *hw, int cap, u16 offset, u32 val) +{ + sky2_pci_write32(hw, cap + PCI_VPD_DATA, val); + sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F); + do { + cpu_relax(); + } while (sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F); +} + +static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, + u8 *data) +{ + struct sky2_port *sky2 = netdev_priv(dev); + int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); + int length = eeprom->len; + u16 offset = eeprom->offset; + + if (!cap) + return -EINVAL; + + eeprom->magic = SKY2_EEPROM_MAGIC; + + while (length > 0) { + u32 val = sky2_vpd_read(sky2->hw, cap, offset); + int n = min_t(int, length, sizeof(val)); + + memcpy(data, &val, n); + length -= n; + data += n; + offset += n; + } + return 0; +} + +static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, + u8 *data) +{ + struct sky2_port *sky2 = netdev_priv(dev); + int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); + int length = eeprom->len; + u16 offset = eeprom->offset; + + if (!cap) + return -EINVAL; + + if (eeprom->magic != SKY2_EEPROM_MAGIC) + return -EINVAL; + + while (length > 0) { + u32 val; + int n = min_t(int, length, sizeof(val)); + + if (n < sizeof(val)) + val = sky2_vpd_read(sky2->hw, cap, offset); + memcpy(&val, data, n); + + sky2_vpd_write(sky2->hw, cap, offset, val); + + length -= n; + data += n; + offset += n; + } + return 0; +} + + static const struct ethtool_ops sky2_ethtool_ops = { - .get_settings = sky2_get_settings, - .set_settings = sky2_set_settings, - .get_drvinfo = sky2_get_drvinfo, - .get_wol = sky2_get_wol, - .set_wol = sky2_set_wol, - .get_msglevel = sky2_get_msglevel, - .set_msglevel = sky2_set_msglevel, - .nway_reset = sky2_nway_reset, - .get_regs_len = sky2_get_regs_len, - .get_regs = sky2_get_regs, - .get_link = ethtool_op_get_link, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = sky2_set_tx_csum, - .get_tso = ethtool_op_get_tso, - .set_tso = sky2_set_tso, - .get_rx_csum = sky2_get_rx_csum, - .set_rx_csum = sky2_set_rx_csum, - .get_strings = sky2_get_strings, - .get_coalesce = sky2_get_coalesce, - .set_coalesce = sky2_set_coalesce, - .get_ringparam = sky2_get_ringparam, - .set_ringparam = sky2_set_ringparam, + .get_settings = sky2_get_settings, + .set_settings = sky2_set_settings, + .get_drvinfo = sky2_get_drvinfo, + .get_wol = sky2_get_wol, + .set_wol = sky2_set_wol, + .get_msglevel = sky2_get_msglevel, + .set_msglevel = sky2_set_msglevel, + .nway_reset = sky2_nway_reset, + .get_regs_len = sky2_get_regs_len, + .get_regs = sky2_get_regs, + .get_link = ethtool_op_get_link, + .get_eeprom_len = sky2_get_eeprom_len, + .get_eeprom = sky2_get_eeprom, + .set_eeprom = sky2_set_eeprom, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = sky2_set_tx_csum, + .get_tso = ethtool_op_get_tso, + .set_tso = sky2_set_tso, + .get_rx_csum = sky2_get_rx_csum, + .set_rx_csum = sky2_set_rx_csum, + .get_strings = sky2_get_strings, + .get_coalesce = sky2_get_coalesce, + .set_coalesce = sky2_set_coalesce, + .get_ringparam = sky2_get_ringparam, + .set_ringparam = sky2_set_ringparam, .get_pauseparam = sky2_get_pauseparam, .set_pauseparam = sky2_set_pauseparam, - .phys_id = sky2_phys_id, + .phys_id = sky2_phys_id, .get_stats_count = sky2_get_stats_count, .get_ethtool_stats = sky2_get_ethtool_stats, - .get_perm_addr = ethtool_op_get_perm_addr, }; +#ifdef CONFIG_SKY2_DEBUG + +static struct dentry *sky2_debug; + +static int sky2_debug_show(struct seq_file *seq, void *v) +{ + struct net_device *dev = seq->private; + const struct sky2_port *sky2 = netdev_priv(dev); + const struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + unsigned idx, last; + int sop; + + if (!netif_running(dev)) + return -ENETDOWN; + + seq_printf(seq, "IRQ src=%x mask=%x control=%x\n", + sky2_read32(hw, B0_ISRC), + sky2_read32(hw, B0_IMSK), + sky2_read32(hw, B0_Y2_SP_ICR)); + + netif_poll_disable(hw->dev[0]); + last = sky2_read16(hw, STAT_PUT_IDX); + + if (hw->st_idx == last) + seq_puts(seq, "Status ring (empty)\n"); + else { + seq_puts(seq, "Status ring\n"); + for (idx = hw->st_idx; idx != last && idx < STATUS_RING_SIZE; + idx = RING_NEXT(idx, STATUS_RING_SIZE)) { + const struct sky2_status_le *le = hw->st_le + idx; + seq_printf(seq, "[%d] %#x %d %#x\n", + idx, le->opcode, le->length, le->status); + } + seq_puts(seq, "\n"); + } + + seq_printf(seq, "Tx ring pending=%u...%u report=%d done=%d\n", + sky2->tx_cons, sky2->tx_prod, + sky2_read16(hw, port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), + sky2_read16(hw, Q_ADDR(txqaddr[port], Q_DONE))); + + /* Dump contents of tx ring */ + sop = 1; + for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < TX_RING_SIZE; + idx = RING_NEXT(idx, TX_RING_SIZE)) { + const struct sky2_tx_le *le = sky2->tx_le + idx; + u32 a = le32_to_cpu(le->addr); + + if (sop) + seq_printf(seq, "%u:", idx); + sop = 0; + + switch(le->opcode & ~HW_OWNER) { + case OP_ADDR64: + seq_printf(seq, " %#x:", a); + break; + case OP_LRGLEN: + seq_printf(seq, " mtu=%d", a); + break; + case OP_VLAN: + seq_printf(seq, " vlan=%d", be16_to_cpu(le->length)); + break; + case OP_TCPLISW: + seq_printf(seq, " csum=%#x", a); + break; + case OP_LARGESEND: + seq_printf(seq, " tso=%#x(%d)", a, le16_to_cpu(le->length)); + break; + case OP_PACKET: + seq_printf(seq, " %#x(%d)", a, le16_to_cpu(le->length)); + break; + case OP_BUFFER: + seq_printf(seq, " frag=%#x(%d)", a, le16_to_cpu(le->length)); + break; + default: + seq_printf(seq, " op=%#x,%#x(%d)", le->opcode, + a, le16_to_cpu(le->length)); + } + + if (le->ctrl & EOP) { + seq_putc(seq, '\n'); + sop = 1; + } + } + + seq_printf(seq, "\nRx ring hw get=%d put=%d last=%d\n", + sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_GET_IDX)), + last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)), + sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX))); + + netif_poll_enable(hw->dev[0]); + return 0; +} + +static int sky2_debug_open(struct inode *inode, struct file *file) +{ + return single_open(file, sky2_debug_show, inode->i_private); +} + +static const struct file_operations sky2_debug_fops = { + .owner = THIS_MODULE, + .open = sky2_debug_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +/* + * Use network device events to create/remove/rename + * debugfs file entries + */ +static int sky2_device_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct net_device *dev = ptr; + + if (dev->open == sky2_up) { + struct sky2_port *sky2 = netdev_priv(dev); + + switch(event) { + case NETDEV_CHANGENAME: + if (!netif_running(dev)) + break; + /* fallthrough */ + case NETDEV_DOWN: + case NETDEV_GOING_DOWN: + if (sky2->debugfs) { + printk(KERN_DEBUG PFX "%s: remove debugfs\n", + dev->name); + debugfs_remove(sky2->debugfs); + sky2->debugfs = NULL; + } + + if (event != NETDEV_CHANGENAME) + break; + /* fallthrough for changename */ + case NETDEV_UP: + if (sky2_debug) { + struct dentry *d; + d = debugfs_create_file(dev->name, S_IRUGO, + sky2_debug, dev, + &sky2_debug_fops); + if (d == NULL || IS_ERR(d)) + printk(KERN_INFO PFX + "%s: debugfs create failed\n", + dev->name); + else + sky2->debugfs = d; + } + break; + } + } + + return NOTIFY_DONE; +} + +static struct notifier_block sky2_notifier = { + .notifier_call = sky2_device_event, +}; + + +static __init void sky2_debug_init(void) +{ + struct dentry *ent; + + ent = debugfs_create_dir("sky2", NULL); + if (!ent || IS_ERR(ent)) + return; + + sky2_debug = ent; + register_netdevice_notifier(&sky2_notifier); +} + +static __exit void sky2_debug_cleanup(void) +{ + if (sky2_debug) { + unregister_netdevice_notifier(&sky2_notifier); + debugfs_remove(sky2_debug); + sky2_debug = NULL; + } +} + +#else +#define sky2_debug_init() +#define sky2_debug_cleanup() +#endif + + /* Initialize network device */ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, unsigned port, @@ -3493,8 +3982,12 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, dev->features |= NETIF_F_HIGHDMA; #ifdef SKY2_VLAN_TAG_USED - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; - dev->vlan_rx_register = sky2_vlan_rx_register; + /* The workaround for FE+ status conflicts with VLAN tag detection. */ + if (!(sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && + sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0)) { + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->vlan_rx_register = sky2_vlan_rx_register; + } #endif /* read the mac address */ @@ -3525,7 +4018,7 @@ static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) return IRQ_NONE; if (status & Y2_IS_IRQ_SW) { - hw->msi = 1; + hw->flags |= SKY2_HW_USE_MSI; wake_up(&hw->msi_wait); sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); } @@ -3553,9 +4046,9 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); sky2_read8(hw, B0_CTST); - wait_event_timeout(hw->msi_wait, hw->msi, HZ/10); + wait_event_timeout(hw->msi_wait, (hw->flags & SKY2_HW_USE_MSI), HZ/10); - if (!hw->msi) { + if (!(hw->flags & SKY2_HW_USE_MSI)) { /* MSI test failed, go back to INTx mode */ dev_info(&pdev->dev, "No interrupt generated using MSI, " "switching to INTx mode.\n"); @@ -3688,7 +4181,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_netdev; } - err = request_irq(pdev->irq, sky2_intr, hw->msi ? 0 : IRQF_SHARED, + err = request_irq(pdev->irq, sky2_intr, + (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED, dev->name, hw); if (err) { dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); @@ -3713,17 +4207,15 @@ static int __devinit sky2_probe(struct pci_dev *pdev, sky2_show_addr(dev1); } - setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); + setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw); INIT_WORK(&hw->restart_work, sky2_restart); - sky2_idle_start(hw); - pci_set_drvdata(pdev, hw); return 0; err_out_unregister: - if (hw->msi) + if (hw->flags & SKY2_HW_USE_MSI) pci_disable_msi(pdev); unregister_netdev(dev); err_out_free_netdev: @@ -3752,7 +4244,7 @@ static void __devexit sky2_remove(struct pci_dev *pdev) if (!hw) return; - del_timer_sync(&hw->idle_timer); + del_timer_sync(&hw->watchdog_timer); flush_scheduled_work(); @@ -3772,7 +4264,7 @@ static void __devexit sky2_remove(struct pci_dev *pdev) sky2_read8(hw, B0_CTST); free_irq(pdev->irq, hw); - if (hw->msi) + if (hw->flags & SKY2_HW_USE_MSI) pci_disable_msi(pdev); pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); pci_release_regions(pdev); @@ -3796,7 +4288,6 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) if (!hw) return 0; - del_timer_sync(&hw->idle_timer); netif_poll_disable(hw->dev[0]); for (i = 0; i < hw->ports; i++) { @@ -3841,7 +4332,9 @@ static int sky2_resume(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D0, 0); /* Re-enable all clocks */ - if (hw->chip_id == CHIP_ID_YUKON_EX || hw->chip_id == CHIP_ID_YUKON_EC_U) + if (hw->chip_id == CHIP_ID_YUKON_EX || + hw->chip_id == CHIP_ID_YUKON_EC_U || + hw->chip_id == CHIP_ID_YUKON_FE_P) sky2_pci_write32(hw, PCI_DEV_REG3, 0); sky2_reset(hw); @@ -3858,11 +4351,13 @@ static int sky2_resume(struct pci_dev *pdev) dev_close(dev); goto out; } + + sky2_set_multicast(dev); } } netif_poll_enable(hw->dev[0]); - sky2_idle_start(hw); + return 0; out: dev_err(&pdev->dev, "resume failed (%d)\n", err); @@ -3879,7 +4374,6 @@ static void sky2_shutdown(struct pci_dev *pdev) if (!hw) return; - del_timer_sync(&hw->idle_timer); netif_poll_disable(hw->dev[0]); for (i = 0; i < hw->ports; i++) { @@ -3917,12 +4411,14 @@ static struct pci_driver sky2_driver = { static int __init sky2_init_module(void) { + sky2_debug_init(); return pci_register_driver(&sky2_driver); } static void __exit sky2_cleanup_module(void) { pci_unregister_driver(&sky2_driver); + sky2_debug_cleanup(); } module_init(sky2_init_module); |