diff options
author | David S. Miller <davem@davemloft.net> | 2014-07-17 01:09:34 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-07-17 01:09:34 +0400 |
commit | 1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch) | |
tree | a243defcf921ea174f8e43fce11d06830a6a9c36 /drivers/net | |
parent | 7a575f6b907ea5d207d2b5010293c189616eae34 (diff) | |
parent | b6603fe574af289dbe9eb9fb4c540bca04f5a053 (diff) | |
download | linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
38 files changed, 389 insertions, 275 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 041036e31aa3..1ff676caa9cd 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4037,7 +4037,7 @@ static int bond_check_params(struct bond_params *params) } if (ad_select) { - bond_opt_initstr(&newval, lacp_rate); + bond_opt_initstr(&newval, ad_select); valptr = bond_opt_parse(bond_opt_get(BOND_OPT_AD_SELECT), &newval); if (!valptr) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 31b5340c685e..6f4e18644bd4 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -710,13 +710,13 @@ static int bcm_sysport_tx_poll(struct napi_struct *napi, int budget) work_done = bcm_sysport_tx_reclaim(ring->priv, ring); - if (work_done < budget) { + if (work_done == 0) { napi_complete(napi); /* re-enable TX interrupt */ intrl2_1_mask_clear(ring->priv, BIT(ring->index)); } - return work_done; + return 0; } static void bcm_sysport_tx_reclaim_all(struct bcm_sysport_priv *priv) @@ -1339,28 +1339,17 @@ static inline void umac_enable_set(struct bcm_sysport_priv *priv, usleep_range(1000, 2000); } -static inline int umac_reset(struct bcm_sysport_priv *priv) +static inline void umac_reset(struct bcm_sysport_priv *priv) { - unsigned int timeout = 0; u32 reg; - int ret = 0; - - umac_writel(priv, 0, UMAC_CMD); - while (timeout++ < 1000) { - reg = umac_readl(priv, UMAC_CMD); - if (!(reg & CMD_SW_RESET)) - break; - - udelay(1); - } - - if (timeout == 1000) { - dev_err(&priv->pdev->dev, - "timeout waiting for MAC to come out of reset\n"); - ret = -ETIMEDOUT; - } - return ret; + reg = umac_readl(priv, UMAC_CMD); + reg |= CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); + udelay(10); + reg = umac_readl(priv, UMAC_CMD); + reg &= ~CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); } static void umac_set_hw_addr(struct bcm_sysport_priv *priv, @@ -1412,11 +1401,7 @@ static int bcm_sysport_open(struct net_device *dev) int ret; /* Reset UniMAC */ - ret = umac_reset(priv); - if (ret) { - netdev_err(dev, "UniMAC reset failed\n"); - return ret; - } + umac_reset(priv); /* Flush TX and RX FIFOs at TOPCTRL level */ topctrl_flush(priv); @@ -1699,12 +1684,6 @@ static int bcm_sysport_probe(struct platform_device *pdev) BUILD_BUG_ON(sizeof(struct bcm_tsb) != 8); dev->needed_headroom += sizeof(struct bcm_tsb); - /* We are interfaced to a switch which handles the multicast - * filtering for us, so we do not support programming any - * multicast hash table in this Ethernet MAC. - */ - dev->flags &= ~IFF_MULTICAST; - /* libphy will adjust the link state accordingly */ netif_carrier_off(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index cb15e3ac03c4..dca1236dd1cd 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -797,7 +797,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, return; } - bnx2x_frag_free(fp, new_data); + if (new_data) + bnx2x_frag_free(fp, new_data); drop: /* drop the packet and keep the buffer in the bin */ DP(NETIF_MSG_RX_STATUS, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 6af9e3c046a0..3871ec49cc4d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12946,7 +12946,7 @@ static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt) * without the default SB. * For VFs there is no default SB, then we return (index+1). */ - pci_read_config_word(pdev, pdev->msix_cap + PCI_MSI_FLAGS, &control); + pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &control); index = control & PCI_MSIX_FLAGS_QSIZE; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 5ba1cfbd60da..16281ad2da12 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1408,13 +1408,6 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv) if (cb->skb) continue; - /* set the DMA descriptor length once and for all - * it will only change if we support dynamically sizing - * priv->rx_buf_len, but we do not - */ - dmadesc_set_length_status(priv, priv->rx_bd_assign_ptr, - priv->rx_buf_len << DMA_BUFLENGTH_SHIFT); - ret = bcmgenet_rx_refill(priv, cb); if (ret) break; @@ -2535,14 +2528,17 @@ static int bcmgenet_probe(struct platform_device *pdev) netif_set_real_num_tx_queues(priv->dev, priv->hw_params->tx_queues + 1); netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1); - err = register_netdev(dev); - if (err) - goto err_clk_disable; + /* libphy will determine the link state */ + netif_carrier_off(dev); /* Turn off the main clock, WOL clock is handled separately */ if (!IS_ERR(priv->clk)) clk_disable_unprepare(priv->clk); + err = register_netdev(dev); + if (err) + goto err; + return err; err_clk_disable: diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 0f117105fed1..e23c993b1362 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -331,9 +331,9 @@ struct bcmgenet_mib_counters { #define EXT_ENERGY_DET_MASK (1 << 12) #define EXT_RGMII_OOB_CTRL 0x0C -#define RGMII_MODE_EN (1 << 0) #define RGMII_LINK (1 << 4) #define OOB_DISABLE (1 << 5) +#define RGMII_MODE_EN (1 << 6) #define ID_MODE_DIS (1 << 16) #define EXT_GPHY_CTRL 0x1C diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 6297e72b77e2..9bced68527a9 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2897,7 +2897,7 @@ static int be_open(struct net_device *netdev) for_all_evt_queues(adapter, eqo, i) { napi_enable(&eqo->napi); be_enable_busy_poll(eqo); - be_eq_notify(adapter, eqo->q.id, true, false, 0); + be_eq_notify(adapter, eqo->q.id, true, true, 0); } adapter->flags |= BE_FLAGS_NAPI_ENABLED; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index fab39e295441..36fc429298e3 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -2990,11 +2990,11 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (ug_info->rxExtendedFiltering) { size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; } diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 168a5ee5e0ba..72b454ce05ac 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1480,6 +1480,13 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw) s32 ret_val; u16 i, rar_count = mac->rar_entry_count; + if ((hw->mac.type >= e1000_i210) && + !(igb_get_flash_presence_i210(hw))) { + ret_val = igb_pll_workaround_i210(hw); + if (ret_val) + return ret_val; + } + /* Initialize identification LED */ ret_val = igb_id_led_init(hw); if (ret_val) { diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 2a8bb35c2df2..217f8138851b 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -46,14 +46,15 @@ #define E1000_CTRL_EXT_SDP3_DIR 0x00000800 /* SDP3 Data direction */ /* Physical Func Reset Done Indication */ -#define E1000_CTRL_EXT_PFRSTD 0x00004000 -#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 -#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 -#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 -#define E1000_CTRL_EXT_EIAME 0x01000000 -#define E1000_CTRL_EXT_IRCA 0x00000001 +#define E1000_CTRL_EXT_PFRSTD 0x00004000 +#define E1000_CTRL_EXT_SDLPE 0X00040000 /* SerDes Low Power Enable */ +#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 +#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 +#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 +#define E1000_CTRL_EXT_EIAME 0x01000000 +#define E1000_CTRL_EXT_IRCA 0x00000001 /* Interrupt delay cancellation */ /* Driver loaded bit for FW */ #define E1000_CTRL_EXT_DRV_LOAD 0x10000000 @@ -62,6 +63,7 @@ /* packet buffer parity error detection enabled */ /* descriptor FIFO parity error detection enable */ #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ +#define E1000_CTRL_EXT_PHYPDEN 0x00100000 #define E1000_I2CCMD_REG_ADDR_SHIFT 16 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24 #define E1000_I2CCMD_OPCODE_READ 0x08000000 diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h index 89925e405849..ce55ea5d750c 100644 --- a/drivers/net/ethernet/intel/igb/e1000_hw.h +++ b/drivers/net/ethernet/intel/igb/e1000_hw.h @@ -567,4 +567,7 @@ struct net_device *igb_get_hw_dev(struct e1000_hw *hw); /* These functions must be implemented by drivers */ s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); + +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); #endif /* _E1000_HW_H_ */ diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c index 337161f440dd..65d931669f81 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.c +++ b/drivers/net/ethernet/intel/igb/e1000_i210.c @@ -834,3 +834,69 @@ s32 igb_init_nvm_params_i210(struct e1000_hw *hw) } return ret_val; } + +/** + * igb_pll_workaround_i210 + * @hw: pointer to the HW structure + * + * Works around an errata in the PLL circuit where it occasionally + * provides the wrong clock frequency after power up. + **/ +s32 igb_pll_workaround_i210(struct e1000_hw *hw) +{ + s32 ret_val; + u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val; + u16 nvm_word, phy_word, pci_word, tmp_nvm; + int i; + + /* Get and set needed register values */ + wuc = rd32(E1000_WUC); + mdicnfg = rd32(E1000_MDICNFG); + reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO; + wr32(E1000_MDICNFG, reg_val); + + /* Get data from NVM, or set default */ + ret_val = igb_read_invm_word_i210(hw, E1000_INVM_AUTOLOAD, + &nvm_word); + if (ret_val) + nvm_word = E1000_INVM_DEFAULT_AL; + tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL; + for (i = 0; i < E1000_MAX_PLL_TRIES; i++) { + /* check current state directly from internal PHY */ + igb_read_phy_reg_gs40g(hw, (E1000_PHY_PLL_FREQ_PAGE | + E1000_PHY_PLL_FREQ_REG), &phy_word); + if ((phy_word & E1000_PHY_PLL_UNCONF) + != E1000_PHY_PLL_UNCONF) { + ret_val = 0; + break; + } else { + ret_val = -E1000_ERR_PHY; + } + /* directly reset the internal PHY */ + ctrl = rd32(E1000_CTRL); + wr32(E1000_CTRL, ctrl|E1000_CTRL_PHY_RST); + + ctrl_ext = rd32(E1000_CTRL_EXT); + ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE); + wr32(E1000_CTRL_EXT, ctrl_ext); + + wr32(E1000_WUC, 0); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16); + wr32(E1000_EEARBC_I210, reg_val); + + igb_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + pci_word |= E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + usleep_range(1000, 2000); + pci_word &= ~E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16); + wr32(E1000_EEARBC_I210, reg_val); + + /* restore WUC register */ + wr32(E1000_WUC, wuc); + } + /* restore MDICNFG setting */ + wr32(E1000_MDICNFG, mdicnfg); + return ret_val; +} diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.h b/drivers/net/ethernet/intel/igb/e1000_i210.h index 9f34976687ba..3442b6357d01 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.h +++ b/drivers/net/ethernet/intel/igb/e1000_i210.h @@ -33,6 +33,7 @@ s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data); s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data); s32 igb_init_nvm_params_i210(struct e1000_hw *hw); bool igb_get_flash_presence_i210(struct e1000_hw *hw); +s32 igb_pll_workaround_i210(struct e1000_hw *hw); #define E1000_STM_OPCODE 0xDB00 #define E1000_EEPROM_FLASH_SIZE_WORD 0x11 @@ -78,4 +79,15 @@ enum E1000_INVM_STRUCTURE_TYPE { #define NVM_LED_1_CFG_DEFAULT_I211 0x0184 #define NVM_LED_0_2_CFG_DEFAULT_I211 0x200C +/* PLL Defines */ +#define E1000_PCI_PMCSR 0x44 +#define E1000_PCI_PMCSR_D3 0x03 +#define E1000_MAX_PLL_TRIES 5 +#define E1000_PHY_PLL_UNCONF 0xFF +#define E1000_PHY_PLL_FREQ_PAGE 0xFC0000 +#define E1000_PHY_PLL_FREQ_REG 0x000E +#define E1000_INVM_DEFAULT_AL 0x202F +#define E1000_INVM_AUTOLOAD 0x0A +#define E1000_INVM_PLL_WO_VAL 0x0010 + #endif diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 1cc4b1a7e597..f5ba4e4eafb9 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -66,6 +66,7 @@ #define E1000_PBA 0x01000 /* Packet Buffer Allocation - RW */ #define E1000_PBS 0x01008 /* Packet Buffer Size */ #define E1000_EEMNGCTL 0x01010 /* MNG EEprom Control */ +#define E1000_EEARBC_I210 0x12024 /* EEPROM Auto Read Bus Control */ #define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */ #define E1000_I2CCMD 0x01028 /* SFPI2C Command Register - RW */ #define E1000_FRTIMER 0x01048 /* Free Running Timer - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 5759a56aab00..4d2dc17fd31b 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7217,6 +7217,20 @@ static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_read_config_word(adapter->pdev, reg, value); +} + +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_write_config_word(adapter->pdev, reg, *value); +} + s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) { struct igb_adapter *adapter = hw->back; @@ -7580,6 +7594,8 @@ static int igb_sriov_reinit(struct pci_dev *dev) if (netif_running(netdev)) igb_close(netdev); + else + igb_reset(adapter); igb_clear_interrupt_scheme(adapter); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 45beca17fa50..dadd9a5f6323 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1207,7 +1207,7 @@ static u32 mvneta_txq_desc_csum(int l3_offs, int l3_proto, command = l3_offs << MVNETA_TX_L3_OFF_SHIFT; command |= ip_hdr_len << MVNETA_TX_IP_HLEN_SHIFT; - if (l3_proto == swab16(ETH_P_IP)) + if (l3_proto == htons(ETH_P_IP)) command |= MVNETA_TXD_IP_CSUM; else command |= MVNETA_TX_L3_IP6; @@ -2529,7 +2529,7 @@ static void mvneta_adjust_link(struct net_device *ndev) if (phydev->speed == SPEED_1000) val |= MVNETA_GMAC_CONFIG_GMII_SPEED; - else + else if (phydev->speed == SPEED_100) val |= MVNETA_GMAC_CONFIG_MII_SPEED; mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 80f725228f5b..56022d647837 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -294,8 +294,6 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, init_completion(&cq->free); cq->irq = priv->eq_table.eq[cq->vector].irq; - cq->irq_affinity_change = false; - return 0; err_radix: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 4b2130760eed..14c00048bbec 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -128,6 +128,10 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, mlx4_warn(mdev, "Failed assigning an EQ to %s, falling back to legacy EQ's\n", name); } + + cq->irq_desc = + irq_to_desc(mlx4_eq_get_irq(mdev->dev, + cq->vector)); } } else { cq->vector = (cq->ring + 1 + priv->port) % @@ -187,8 +191,6 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq) mlx4_en_unmap_buffer(&cq->wqres.buf); mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size); if (priv->mdev->dev->caps.comp_pool && cq->vector) { - if (!cq->is_tx) - irq_set_affinity_hint(cq->mcq.irq, NULL); mlx4_release_eq(priv->mdev->dev, cq->vector); } cq->vector = 0; @@ -204,6 +206,7 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) if (!cq->is_tx) { napi_hash_del(&cq->napi); synchronize_rcu(); + irq_set_affinity_hint(cq->mcq.irq, NULL); } netif_napi_del(&cq->napi); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index fa1a069e14e6..68d763d2d030 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -417,6 +417,8 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->tx_coalesce_usecs = priv->tx_usecs; coal->tx_max_coalesced_frames = priv->tx_frames; + coal->tx_max_coalesced_frames_irq = priv->tx_work_limit; + coal->rx_coalesce_usecs = priv->rx_usecs; coal->rx_max_coalesced_frames = priv->rx_frames; @@ -426,6 +428,7 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->rx_coalesce_usecs_high = priv->rx_usecs_high; coal->rate_sample_interval = priv->sample_interval; coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; + return 0; } @@ -434,6 +437,9 @@ static int mlx4_en_set_coalesce(struct net_device *dev, { struct mlx4_en_priv *priv = netdev_priv(dev); + if (!coal->tx_max_coalesced_frames_irq) + return -EINVAL; + priv->rx_frames = (coal->rx_max_coalesced_frames == MLX4_EN_AUTO_CONF) ? MLX4_EN_RX_COAL_TARGET : @@ -457,6 +463,7 @@ static int mlx4_en_set_coalesce(struct net_device *dev, priv->rx_usecs_high = coal->rx_coalesce_usecs_high; priv->sample_interval = coal->rate_sample_interval; priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; + priv->tx_work_limit = coal->tx_max_coalesced_frames_irq; return mlx4_en_moderation_update(priv); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index f384b354c88d..887cf01d831d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2331,7 +2331,7 @@ static void mlx4_en_add_vxlan_port(struct net_device *dev, struct mlx4_en_priv *priv = netdev_priv(dev); __be16 current_port; - if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)) + if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) return; if (sa_family == AF_INET6) @@ -2468,6 +2468,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, MLX4_WQE_CTRL_SOLICITED); priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; priv->tx_ring_num = prof->tx_ring_num; + priv->tx_work_limit = MLX4_EN_DEFAULT_TX_WORK; priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, GFP_KERNEL); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index b8ec9208e12a..7765a08f9e84 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -40,6 +40,7 @@ #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/vmalloc.h> +#include <linux/irq.h> #include "mlx4_en.h" @@ -782,6 +783,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud PKT_HASH_TYPE_L3); skb_record_rx_queue(gro_skb, cq->ring); + skb_mark_napi_id(gro_skb, &cq->napi); if (ring->hwtstamp_rx_filter == HWTSTAMP_FILTER_ALL) { timestamp = mlx4_en_get_cqe_ts(cqe); @@ -896,16 +898,25 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) /* If we used up all the quota - we're probably not done yet... */ if (done == budget) { + int cpu_curr; + const struct cpumask *aff; + INC_PERF_COUNTER(priv->pstats.napi_quota); - if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; + + cpu_curr = smp_processor_id(); + aff = irq_desc_get_irq_data(cq->irq_desc)->affinity; + + if (unlikely(!cpumask_test_cpu(cpu_curr, aff))) { + /* Current cpu is not according to smp_irq_affinity - + * probably affinity changed. need to stop this NAPI + * poll, and restart it on the right CPU + */ napi_complete(napi); mlx4_en_arm_cq(priv, cq); return 0; } } else { /* Done for now */ - cq->mcq.irq_affinity_change = false; napi_complete(napi); mlx4_en_arm_cq(priv, cq); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8be7483f8236..5045bab59633 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -351,9 +351,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring) return cnt; } -static int mlx4_en_process_tx_cq(struct net_device *dev, - struct mlx4_en_cq *cq, - int budget) +static bool mlx4_en_process_tx_cq(struct net_device *dev, + struct mlx4_en_cq *cq) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_cq *mcq = &cq->mcq; @@ -372,9 +371,10 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, int factor = priv->cqe_factor; u64 timestamp = 0; int done = 0; + int budget = priv->tx_work_limit; if (!priv->port_up) - return 0; + return true; index = cons_index & size_mask; cqe = &buf[(index << factor) + factor]; @@ -447,7 +447,7 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, netif_tx_wake_queue(ring->tx_queue); ring->wake_queue++; } - return done; + return done < budget; } void mlx4_en_tx_irq(struct mlx4_cq *mcq) @@ -467,24 +467,16 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget) struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); struct net_device *dev = cq->dev; struct mlx4_en_priv *priv = netdev_priv(dev); - int done; + int clean_complete; - done = mlx4_en_process_tx_cq(dev, cq, budget); + clean_complete = mlx4_en_process_tx_cq(dev, cq); + if (!clean_complete) + return budget; - /* If we used up all the quota - we're probably not done yet... */ - if (done < budget) { - /* Done for now */ - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return done; - } else if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return 0; - } - return budget; + napi_complete(napi); + mlx4_en_arm_cq(priv, cq); + + return 0; } static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv, diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index d954ec1eac17..2a004b347e1d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -53,11 +53,6 @@ enum { MLX4_EQ_ENTRY_SIZE = 0x20 }; -struct mlx4_irq_notify { - void *arg; - struct irq_affinity_notify notify; -}; - #define MLX4_EQ_STATUS_OK ( 0 << 28) #define MLX4_EQ_STATUS_WRITE_FAIL (10 << 28) #define MLX4_EQ_OWNER_SW ( 0 << 24) @@ -1088,57 +1083,6 @@ static void mlx4_unmap_clr_int(struct mlx4_dev *dev) iounmap(priv->clr_base); } -static void mlx4_irq_notifier_notify(struct irq_affinity_notify *notify, - const cpumask_t *mask) -{ - struct mlx4_irq_notify *n = container_of(notify, - struct mlx4_irq_notify, - notify); - struct mlx4_priv *priv = (struct mlx4_priv *)n->arg; - struct radix_tree_iter iter; - void **slot; - - radix_tree_for_each_slot(slot, &priv->cq_table.tree, &iter, 0) { - struct mlx4_cq *cq = (struct mlx4_cq *)(*slot); - - if (cq->irq == notify->irq) - cq->irq_affinity_change = true; - } -} - -static void mlx4_release_irq_notifier(struct kref *ref) -{ - struct mlx4_irq_notify *n = container_of(ref, struct mlx4_irq_notify, - notify.kref); - kfree(n); -} - -static void mlx4_assign_irq_notifier(struct mlx4_priv *priv, - struct mlx4_dev *dev, int irq) -{ - struct mlx4_irq_notify *irq_notifier = NULL; - int err = 0; - - irq_notifier = kzalloc(sizeof(*irq_notifier), GFP_KERNEL); - if (!irq_notifier) { - mlx4_warn(dev, "Failed to allocate irq notifier. irq %d\n", - irq); - return; - } - - irq_notifier->notify.irq = irq; - irq_notifier->notify.notify = mlx4_irq_notifier_notify; - irq_notifier->notify.release = mlx4_release_irq_notifier; - irq_notifier->arg = priv; - err = irq_set_affinity_notifier(irq, &irq_notifier->notify); - if (err) { - kfree(irq_notifier); - irq_notifier = NULL; - mlx4_warn(dev, "Failed to set irq notifier. irq %d\n", irq); - } -} - - int mlx4_alloc_eq_table(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1409,8 +1353,6 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, continue; /*we dont want to break here*/ } - mlx4_assign_irq_notifier(priv, dev, - priv->eq_table.eq[vec].irq); eq_set_ci(&priv->eq_table.eq[vec], 1); } @@ -1427,6 +1369,14 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, } EXPORT_SYMBOL(mlx4_assign_eq); +int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec) +{ + struct mlx4_priv *priv = mlx4_priv(dev); + + return priv->eq_table.eq[vec].irq; +} +EXPORT_SYMBOL(mlx4_eq_get_irq); + void mlx4_release_eq(struct mlx4_dev *dev, int vec) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1438,9 +1388,6 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec) Belonging to a legacy EQ*/ mutex_lock(&priv->msix_ctl.pool_lock); if (priv->msix_ctl.pool_bm & 1ULL << i) { - irq_set_affinity_notifier( - priv->eq_table.eq[vec].irq, - NULL); free_irq(priv->eq_table.eq[vec].irq, &priv->eq_table.eq[vec]); priv->msix_ctl.pool_bm &= ~(1ULL << i); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 7c1b5ec5378f..2b19dd1f2c5d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -126,6 +126,8 @@ enum { #define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \ MLX4_EN_NUM_UP) +#define MLX4_EN_DEFAULT_TX_WORK 256 + /* Target number of packets to coalesce with interrupt moderation */ #define MLX4_EN_RX_COAL_TARGET 44 #define MLX4_EN_RX_COAL_TIME 0x10 @@ -341,6 +343,7 @@ struct mlx4_en_cq { #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ #endif /* CONFIG_NET_RX_BUSY_POLL */ + struct irq_desc *irq_desc; }; struct mlx4_en_port_profile { @@ -540,6 +543,7 @@ struct mlx4_en_priv { __be32 ctrl_flags; u32 flags; u8 num_tx_rings_p_up; + u32 tx_work_limit; u32 tx_ring_num; u32 rx_ring_num; u32 rx_skb_size; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 51c78ce27b37..6175bd59190a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -540,6 +540,7 @@ enum rtl_register_content { MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ + Rdy_to_L23 = (1 << 1), /* L23 Enable */ Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ /* Config4 register */ @@ -4883,6 +4884,21 @@ static void rtl_enable_clock_request(struct pci_dev *pdev) PCI_EXP_LNKCTL_CLKREQ_EN); } +static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable) +{ + void __iomem *ioaddr = tp->mmio_addr; + u8 data; + + data = RTL_R8(Config3); + + if (enable) + data |= Rdy_to_L23; + else + data &= ~Rdy_to_L23; + + RTL_W8(Config3, data); +} + #define R8168_CPCMD_QUIRK_MASK (\ EnableBist | \ Mac_dbgo_oe | \ @@ -5232,6 +5248,7 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp) }; rtl_hw_start_8168f(tp); + rtl_pcie_state_l2l3_enable(tp, false); rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); @@ -5270,6 +5287,8 @@ static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) @@ -5522,6 +5541,8 @@ static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN); rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) @@ -5557,6 +5578,8 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp) rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8106(struct rtl8169_private *tp) @@ -5569,6 +5592,8 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET); RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8101(struct net_device *dev) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b3e148ef5683..9d3748361a1e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -320,11 +320,8 @@ static void dwmac1000_set_eee_timer(void __iomem *ioaddr, int ls, int tw) static void dwmac1000_ctrl_ane(void __iomem *ioaddr, bool restart) { - u32 value; - - value = readl(ioaddr + GMAC_AN_CTRL); /* auto negotiation enable and External Loopback enable */ - value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; + u32 value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; if (restart) value |= GMAC_AN_CTRL_RAN; diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 7e6628a91514..1e2bcf5f89e1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -145,7 +145,7 @@ static void enh_desc_get_ext_status(void *data, struct stmmac_extra_stats *x, x->rx_msg_type_delay_req++; else if (p->des4.erx.msg_type == RDES_EXT_DELAY_RESP) x->rx_msg_type_delay_resp++; - else if (p->des4.erx.msg_type == RDES_EXT_DELAY_REQ) + else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_REQ) x->rx_msg_type_pdelay_req++; else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_RESP) x->rx_msg_type_pdelay_resp++; diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index 6ea59ece7e0b..6eb849a56da5 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -292,7 +292,11 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type); static int dfx_rcv_init(DFX_board_t *bp, int get_buffers); static void dfx_rcv_queue_process(DFX_board_t *bp); +#ifdef DYNAMIC_BUFFERS static void dfx_rcv_flush(DFX_board_t *bp); +#else +static inline void dfx_rcv_flush(DFX_board_t *bp) {} +#endif static netdev_tx_t dfx_xmt_queue_pkt(struct sk_buff *skb, struct net_device *dev); @@ -2849,7 +2853,7 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type) * Align an sk_buff to a boundary power of 2 * */ - +#ifdef DYNAMIC_BUFFERS static void my_skb_align(struct sk_buff *skb, int n) { unsigned long x = (unsigned long)skb->data; @@ -2859,7 +2863,7 @@ static void my_skb_align(struct sk_buff *skb, int n) skb_reserve(skb, v - x); } - +#endif /* * ================ @@ -3108,10 +3112,7 @@ static void dfx_rcv_queue_process( break; } else { -#ifndef DYNAMIC_BUFFERS - if (! rx_in_place) -#endif - { + if (!rx_in_place) { /* Receive buffer allocated, pass receive packet up */ dma_sync_single_for_cpu( bp->bus_dev, @@ -3505,10 +3506,6 @@ static void dfx_rcv_flush( DFX_board_t *bp ) } } -#else -static inline void dfx_rcv_flush( DFX_board_t *bp ) -{ -} #endif /* DYNAMIC_BUFFERS */ /* diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 76fbd3948736..255c21ff274c 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -1341,15 +1341,15 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, { struct dp83640_private *dp83640 = phydev->priv; - if (!dp83640->hwts_rx_en) - return false; - if (is_status_frame(skb, type)) { decode_status_frame(dp83640, skb); kfree_skb(skb); return true; } + if (!dp83640->hwts_rx_en) + return false; + SKB_PTP_TYPE(skb) = type; skb_queue_tail(&dp83640->rx_queue, skb); schedule_work(&dp83640->ts_work); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 2e58aa54484c..4eaadcfcb0fe 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -187,6 +187,50 @@ struct mii_bus *of_mdio_find_bus(struct device_node *mdio_bus_np) return d ? to_mii_bus(d) : NULL; } EXPORT_SYMBOL(of_mdio_find_bus); + +/* Walk the list of subnodes of a mdio bus and look for a node that matches the + * phy's address with its 'reg' property. If found, set the of_node pointer for + * the phy. This allows auto-probed pyh devices to be supplied with information + * passed in via DT. + */ +static void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ + struct device *dev = &phydev->dev; + struct device_node *child; + + if (dev->of_node || !mdio->dev.of_node) + return; + + for_each_available_child_of_node(mdio->dev.of_node, child) { + int addr; + int ret; + + ret = of_property_read_u32(child, "reg", &addr); + if (ret < 0) { + dev_err(dev, "%s has invalid PHY address\n", + child->full_name); + continue; + } + + /* A PHY must have a reg property in the range [0-31] */ + if (addr >= PHY_MAX_ADDR) { + dev_err(dev, "%s PHY address %i is too large\n", + child->full_name, addr); + continue; + } + + if (addr == phydev->addr) { + dev->of_node = child; + return; + } + } +} +#else /* !IS_ENABLED(CONFIG_OF_MDIO) */ +static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ +} #endif /** diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index c38ee903bd59..3ed16a89b5d8 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -539,7 +539,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; struct sock_filter *code = NULL; - int len, err; + int len; if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; @@ -554,12 +554,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (IS_ERR(code)) return PTR_ERR(code); - err = sk_chk_filter(code, uprog.len); - if (err) { - kfree(code); - return err; - } - *p = code; return uprog.len; } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 2ea7efd11857..6c9c16d76935 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -675,7 +675,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, po->chan.hdrlen = (sizeof(struct pppoe_hdr) + dev->hard_header_len); - po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr); + po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr) - 2; po->chan.private = sk; po->chan.ops = &pppoe_chan_ops; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 50b36b299946..a36401802cec 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -258,10 +258,8 @@ struct hso_serial { * so as not to drop characters on the floor. */ int curr_rx_urb_idx; - u16 curr_rx_urb_offset; u8 rx_urb_filled[MAX_RX_URBS]; struct tasklet_struct unthrottle_tasklet; - struct work_struct retry_unthrottle_workqueue; }; struct hso_device { @@ -1252,14 +1250,6 @@ static void hso_unthrottle(struct tty_struct *tty) tasklet_hi_schedule(&serial->unthrottle_tasklet); } -static void hso_unthrottle_workfunc(struct work_struct *work) -{ - struct hso_serial *serial = - container_of(work, struct hso_serial, - retry_unthrottle_workqueue); - hso_unthrottle_tasklet(serial); -} - /* open the requested serial port */ static int hso_serial_open(struct tty_struct *tty, struct file *filp) { @@ -1295,8 +1285,6 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) tasklet_init(&serial->unthrottle_tasklet, (void (*)(unsigned long))hso_unthrottle_tasklet, (unsigned long)serial); - INIT_WORK(&serial->retry_unthrottle_workqueue, - hso_unthrottle_workfunc); result = hso_start_serial_device(serial->parent, GFP_KERNEL); if (result) { hso_stop_serial_device(serial->parent); @@ -1345,7 +1333,6 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) if (!usb_gone) hso_stop_serial_device(serial->parent); tasklet_kill(&serial->unthrottle_tasklet); - cancel_work_sync(&serial->retry_unthrottle_workqueue); } if (!usb_gone) @@ -2013,8 +2000,7 @@ static void ctrl_callback(struct urb *urb) static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) { struct tty_struct *tty; - int write_length_remaining = 0; - int curr_write_len; + int count; /* Sanity check */ if (urb == NULL || serial == NULL) { @@ -2024,29 +2010,28 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) tty = tty_port_tty_get(&serial->port); + if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { + tty_kref_put(tty); + return -1; + } + /* Push data to tty */ - write_length_remaining = urb->actual_length - - serial->curr_rx_urb_offset; D1("data to push to tty"); - while (write_length_remaining) { - if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { - tty_kref_put(tty); - return -1; - } - curr_write_len = tty_insert_flip_string(&serial->port, - urb->transfer_buffer + serial->curr_rx_urb_offset, - write_length_remaining); - serial->curr_rx_urb_offset += curr_write_len; - write_length_remaining -= curr_write_len; + count = tty_buffer_request_room(&serial->port, urb->actual_length); + if (count >= urb->actual_length) { + tty_insert_flip_string(&serial->port, urb->transfer_buffer, + urb->actual_length); tty_flip_buffer_push(&serial->port); + } else { + dev_warn(&serial->parent->usb->dev, + "dropping data, %d bytes lost\n", urb->actual_length); } + tty_kref_put(tty); - if (write_length_remaining == 0) { - serial->curr_rx_urb_offset = 0; - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - } - return write_length_remaining; + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; + + return 0; } @@ -2217,7 +2202,6 @@ static int hso_stop_serial_device(struct hso_device *hso_dev) } } serial->curr_rx_urb_idx = 0; - serial->curr_rx_urb_offset = 0; if (serial->tx_urb) usb_kill_urb(serial->tx_urb); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index cf62d7e8329f..c4638c67f6b9 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -741,6 +741,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ + {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 7d2dd80c4a7a..e1e430587868 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1367,7 +1367,7 @@ static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, struct sk_buff_head seg_list; struct sk_buff *segs, *nskb; - features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO); + features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); segs = skb_gso_segment(skb, features); if (IS_ERR(segs) || !segs) goto drop; @@ -3213,8 +3213,13 @@ static void rtl8152_get_ethtool_stats(struct net_device *dev, struct r8152 *tp = netdev_priv(dev); struct tally_counter tally; + if (usb_autopm_get_interface(tp->intf) < 0) + return; + generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); + usb_autopm_put_interface(tp->intf); + data[0] = le64_to_cpu(tally.tx_packets); data[1] = le64_to_cpu(tally.rx_packets); data[2] = le64_to_cpu(tally.tx_errors); diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 424db65e4396..d07bf4cb893f 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1714,6 +1714,18 @@ static int smsc95xx_resume(struct usb_interface *intf) return ret; } +static int smsc95xx_reset_resume(struct usb_interface *intf) +{ + struct usbnet *dev = usb_get_intfdata(intf); + int ret; + + ret = smsc95xx_reset(dev); + if (ret < 0) + return ret; + + return smsc95xx_resume(intf); +} + static void smsc95xx_rx_csum_offload(struct sk_buff *skb) { skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2); @@ -2004,7 +2016,7 @@ static struct usb_driver smsc95xx_driver = { .probe = usbnet_probe, .suspend = smsc95xx_suspend, .resume = smsc95xx_resume, - .reset_resume = smsc95xx_resume, + .reset_resume = smsc95xx_reset_resume, .disconnect = usbnet_disconnect, .disable_hub_initiated_lpm = 1, .supports_autosuspend = 1, diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 93ace042d0aa..1f041271f7fe 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -2363,7 +2363,7 @@ static char *type_strings[] = { "FarSync TE1" }; -static void +static int fst_init_card(struct fst_card_info *card) { int i; @@ -2374,24 +2374,21 @@ fst_init_card(struct fst_card_info *card) * we'll have to revise it in some way then. */ for (i = 0; i < card->nports; i++) { - err = register_hdlc_device(card->ports[i].dev); - if (err < 0) { - int j; + err = register_hdlc_device(card->ports[i].dev); + if (err < 0) { pr_err("Cannot register HDLC device for port %d (errno %d)\n", - i, -err); - for (j = i; j < card->nports; j++) { - free_netdev(card->ports[j].dev); - card->ports[j].dev = NULL; - } - card->nports = i; - break; - } + i, -err); + while (i--) + unregister_hdlc_device(card->ports[i].dev); + return err; + } } pr_info("%s-%s: %s IRQ%d, %d ports\n", port_to_dev(&card->ports[0])->name, port_to_dev(&card->ports[card->nports - 1])->name, type_strings[card->type], card->irq, card->nports); + return 0; } static const struct net_device_ops fst_ops = { @@ -2447,15 +2444,12 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Try to enable the device */ if ((err = pci_enable_device(pdev)) != 0) { pr_err("Failed to enable card. Err %d\n", -err); - kfree(card); - return err; + goto enable_fail; } if ((err = pci_request_regions(pdev, "FarSync")) !=0) { pr_err("Failed to allocate regions. Err %d\n", -err); - pci_disable_device(pdev); - kfree(card); - return err; + goto regions_fail; } /* Get virtual addresses of memory regions */ @@ -2464,30 +2458,21 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) card->phys_ctlmem = pci_resource_start(pdev, 3); if ((card->mem = ioremap(card->phys_mem, FST_MEMSIZE)) == NULL) { pr_err("Physical memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_physmem_fail; } if ((card->ctlmem = ioremap(card->phys_ctlmem, 0x10)) == NULL) { pr_err("Control memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_ctlmem_fail; } dbg(DBG_PCI, "kernel mem %p, ctlmem %p\n", card->mem, card->ctlmem); /* Register the interrupt handler */ if (request_irq(pdev->irq, fst_intr, IRQF_SHARED, FST_DEV_NAME, card)) { pr_err("Unable to register interrupt %d\n", card->irq); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto irq_fail; } /* Record info we need */ @@ -2513,13 +2498,8 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) while (i--) free_netdev(card->ports[i].dev); pr_err("FarSync: out of memory\n"); - free_irq(card->irq, card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENOMEM; + goto hdlcdev_fail; } card->ports[i].dev = dev; card->ports[i].card = card; @@ -2565,9 +2545,16 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, card); /* Remainder of card setup */ + if (no_of_cards_added >= FST_MAX_CARDS) { + pr_err("FarSync: too many cards\n"); + err = -ENOMEM; + goto card_array_fail; + } fst_card_array[no_of_cards_added] = card; card->card_no = no_of_cards_added++; /* Record instance and bump it */ - fst_init_card(card); + err = fst_init_card(card); + if (err) + goto init_card_fail; if (card->family == FST_FAMILY_TXU) { /* * Allocate a dma buffer for transmit and receives @@ -2577,29 +2564,46 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) &card->rx_dma_handle_card); if (card->rx_dma_handle_host == NULL) { pr_err("Could not allocate rx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto rx_dma_fail; } card->tx_dma_handle_host = pci_alloc_consistent(card->device, FST_MAX_MTU, &card->tx_dma_handle_card); if (card->tx_dma_handle_host == NULL) { pr_err("Could not allocate tx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto tx_dma_fail; } } return 0; /* Success */ + +tx_dma_fail: + pci_free_consistent(card->device, FST_MAX_MTU, + card->rx_dma_handle_host, + card->rx_dma_handle_card); +rx_dma_fail: + fst_disable_intr(card); + for (i = 0 ; i < card->nports ; i++) + unregister_hdlc_device(card->ports[i].dev); +init_card_fail: + fst_card_array[card->card_no] = NULL; +card_array_fail: + for (i = 0 ; i < card->nports ; i++) + free_netdev(card->ports[i].dev); +hdlcdev_fail: + free_irq(card->irq, card); +irq_fail: + iounmap(card->ctlmem); +ioremap_ctlmem_fail: + iounmap(card->mem); +ioremap_physmem_fail: + pci_release_regions(pdev); +regions_fail: + pci_disable_device(pdev); +enable_fail: + kfree(card); + return err; } /* diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 2ccb4a02368b..055222bae6e4 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1439,16 +1439,11 @@ static void xennet_disconnect_backend(struct netfront_info *info) unsigned int i = 0; unsigned int num_queues = info->netdev->real_num_tx_queues; + netif_carrier_off(info->netdev); + for (i = 0; i < num_queues; ++i) { struct netfront_queue *queue = &info->queues[i]; - /* Stop old i/f to prevent errors whilst we rebuild the state. */ - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); - netif_carrier_off(queue->info->netdev); - spin_unlock_irq(&queue->tx_lock); - spin_unlock_bh(&queue->rx_lock); - if (queue->tx_irq && (queue->tx_irq == queue->rx_irq)) unbind_from_irqhandler(queue->tx_irq, queue); if (queue->tx_irq && (queue->tx_irq != queue->rx_irq)) { @@ -1458,6 +1453,8 @@ static void xennet_disconnect_backend(struct netfront_info *info) queue->tx_evtchn = queue->rx_evtchn = 0; queue->tx_irq = queue->rx_irq = 0; + napi_synchronize(&queue->napi); + /* End access and free the pages */ xennet_end_access(queue->tx_ring_ref, queue->tx.sring); xennet_end_access(queue->rx_ring_ref, queue->rx.sring); @@ -2046,13 +2043,15 @@ static int xennet_connect(struct net_device *dev) /* By now, the queue structures have been set up */ for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); /* Step 1: Discard all pending TX packet fragments. */ + spin_lock_irq(&queue->tx_lock); xennet_release_tx_bufs(queue); + spin_unlock_irq(&queue->tx_lock); /* Step 2: Rebuild the RX buffer freelist and the RX ring itself. */ + spin_lock_bh(&queue->rx_lock); + for (requeue_idx = 0, i = 0; i < NET_RX_RING_SIZE; i++) { skb_frag_t *frag; const struct page *page; @@ -2076,6 +2075,8 @@ static int xennet_connect(struct net_device *dev) } queue->rx.req_prod_pvt = requeue_idx; + + spin_unlock_bh(&queue->rx_lock); } /* @@ -2087,13 +2088,17 @@ static int xennet_connect(struct net_device *dev) netif_carrier_on(np->netdev); for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; + notify_remote_via_irq(queue->tx_irq); if (queue->tx_irq != queue->rx_irq) notify_remote_via_irq(queue->rx_irq); - xennet_tx_buf_gc(queue); - xennet_alloc_rx_buffers(queue); + spin_lock_irq(&queue->tx_lock); + xennet_tx_buf_gc(queue); spin_unlock_irq(&queue->tx_lock); + + spin_lock_bh(&queue->rx_lock); + xennet_alloc_rx_buffers(queue); spin_unlock_bh(&queue->rx_lock); } |