diff options
Diffstat (limited to 'drivers/net')
40 files changed, 496 insertions, 208 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 04f35f9..3a451b6 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1025,10 +1025,14 @@ static netdev_features_t bond_fix_features(struct net_device *dev, NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ NETIF_F_HIGHDMA | NETIF_F_LRO) +#define BOND_ENC_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | NETIF_F_RXCSUM |\ + NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL) + static void bond_compute_features(struct bonding *bond) { unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE; netdev_features_t vlan_features = BOND_VLAN_FEATURES; + netdev_features_t enc_features = BOND_ENC_FEATURES; struct net_device *bond_dev = bond->dev; struct list_head *iter; struct slave *slave; @@ -1044,6 +1048,9 @@ static void bond_compute_features(struct bonding *bond) vlan_features = netdev_increment_features(vlan_features, slave->dev->vlan_features, BOND_VLAN_FEATURES); + enc_features = netdev_increment_features(enc_features, + slave->dev->hw_enc_features, + BOND_ENC_FEATURES); dst_release_flag &= slave->dev->priv_flags; if (slave->dev->hard_header_len > max_hard_header_len) max_hard_header_len = slave->dev->hard_header_len; @@ -1054,6 +1061,7 @@ static void bond_compute_features(struct bonding *bond) done: bond_dev->vlan_features = vlan_features; + bond_dev->hw_enc_features = enc_features; bond_dev->hard_header_len = max_hard_header_len; bond_dev->gso_max_segs = gso_max_segs; netif_set_gso_max_size(bond_dev, gso_max_size); @@ -3975,6 +3983,7 @@ void bond_setup(struct net_device *bond_dev) NETIF_F_HW_VLAN_CTAG_FILTER; bond_dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM); + bond_dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; bond_dev->features |= bond_dev->hw_features; } diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index dcf9196..ea4d4f1 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -52,6 +52,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/workqueue.h> #include <linux/can.h> #include <linux/can/skb.h> @@ -85,6 +86,7 @@ struct slcan { struct tty_struct *tty; /* ptr to TTY structure */ struct net_device *dev; /* easy for intr handling */ spinlock_t lock; + struct work_struct tx_work; /* Flushes transmit buffer */ /* These are pointers to the malloc()ed frame buffers. */ unsigned char rbuff[SLC_MTU]; /* receiver buffer */ @@ -309,36 +311,46 @@ static void slc_encaps(struct slcan *sl, struct can_frame *cf) sl->dev->stats.tx_bytes += cf->can_dlc; } -/* - * Called by the driver when there's room for more data. If we have - * more packets to send, we send them here. - */ -static void slcan_write_wakeup(struct tty_struct *tty) +/* Write out any remaining transmit buffer. Scheduled when tty is writable */ +static void slcan_transmit(struct work_struct *work) { + struct slcan *sl = container_of(work, struct slcan, tx_work); int actual; - struct slcan *sl = (struct slcan *) tty->disc_data; + spin_lock_bh(&sl->lock); /* First make sure we're connected. */ - if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev)) + if (!sl->tty || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev)) { + spin_unlock_bh(&sl->lock); return; + } - spin_lock_bh(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; - clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); spin_unlock_bh(&sl->lock); netif_wake_queue(sl->dev); return; } - actual = tty->ops->write(tty, sl->xhead, sl->xleft); + actual = sl->tty->ops->write(sl->tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; spin_unlock_bh(&sl->lock); } +/* + * Called by the driver when there's room for more data. + * Schedule the transmit. + */ +static void slcan_write_wakeup(struct tty_struct *tty) +{ + struct slcan *sl = tty->disc_data; + + schedule_work(&sl->tx_work); +} + /* Send a can_frame to a TTY queue. */ static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -528,6 +540,7 @@ static struct slcan *slc_alloc(dev_t line) sl->magic = SLCAN_MAGIC; sl->dev = dev; spin_lock_init(&sl->lock); + INIT_WORK(&sl->tx_work, slcan_transmit); slcan_devs[i] = dev; return sl; @@ -626,8 +639,12 @@ static void slcan_close(struct tty_struct *tty) if (!sl || sl->magic != SLCAN_MAGIC || sl->tty != tty) return; + spin_lock_bh(&sl->lock); tty->disc_data = NULL; sl->tty = NULL; + spin_unlock_bh(&sl->lock); + + flush_work(&sl->tx_work); /* Flush network side */ unregister_netdev(sl->dev); diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 2846067..d81e716 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -736,6 +736,7 @@ static int emac_open(struct net_device *dev) ret = emac_mdio_probe(dev); if (ret < 0) { + free_irq(dev->irq, dev); netdev_err(dev, "cannot probe MDIO bus\n"); return ret; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index df2792d..8afa579 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -3224,7 +3224,7 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp, return 0; } -#define NVRAM_CMD_TIMEOUT 100 +#define NVRAM_CMD_TIMEOUT 5000 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) { @@ -3232,7 +3232,7 @@ static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) tw32(NVRAM_CMD, nvram_cmd); for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) { - udelay(10); + usleep_range(10, 40); if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) { udelay(10); break; @@ -7854,8 +7854,8 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb) netif_wake_queue(tp->dev); } - segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO); - if (IS_ERR(segs)) + segs = skb_gso_segment(skb, tp->dev->features & ~(NETIF_F_TSO | NETIF_F_TSO6)); + if (IS_ERR(segs) || !segs) goto tg3_tso_bug_end; do { diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 2f8d6b9..a83271c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4057,22 +4057,19 @@ int cxgb4_unregister_uld(enum cxgb4_uld type) EXPORT_SYMBOL(cxgb4_unregister_uld); /* Check if netdev on which event is occured belongs to us or not. Return - * suceess (1) if it belongs otherwise failure (0). + * success (true) if it belongs otherwise failure (false). + * Called with rcu_read_lock() held. */ -static int cxgb4_netdev(struct net_device *netdev) +static bool cxgb4_netdev(const struct net_device *netdev) { struct adapter *adap; int i; - spin_lock(&adap_rcu_lock); list_for_each_entry_rcu(adap, &adap_rcu_list, rcu_node) for (i = 0; i < MAX_NPORTS; i++) - if (adap->port[i] == netdev) { - spin_unlock(&adap_rcu_lock); - return 1; - } - spin_unlock(&adap_rcu_lock); - return 0; + if (adap->port[i] == netdev) + return true; + return false; } static int clip_add(struct net_device *event_dev, struct inet6_ifaddr *ifa, @@ -6396,6 +6393,7 @@ static void remove_one(struct pci_dev *pdev) adapter->flags &= ~DEV_ENABLED; } pci_release_regions(pdev); + synchronize_rcu(); kfree(adapter); } else pci_release_regions(pdev); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index bba6768..931478e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3962,6 +3962,7 @@ int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) p->lport = j; p->rss_size = rss_size; memcpy(adap->port[i]->dev_addr, addr, ETH_ALEN); + adap->port[i]->dev_port = j; ret = ntohl(c.u.info.lstatus_to_modtype); p->mdio_addr = (ret & FW_PORT_CMD_MDIOCAP) ? diff --git a/drivers/net/ethernet/dec/tulip/timer.c b/drivers/net/ethernet/dec/tulip/timer.c index 768379b..523d9dd 100644 --- a/drivers/net/ethernet/dec/tulip/timer.c +++ b/drivers/net/ethernet/dec/tulip/timer.c @@ -158,7 +158,7 @@ void comet_timer(unsigned long data) { struct net_device *dev = (struct net_device *)data; struct tulip_private *tp = netdev_priv(dev); - int next_tick = 60*HZ; + int next_tick = 2*HZ; if (tulip_debug > 1) netdev_dbg(dev, "Comet link status %04x partner capability %04x\n", diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 2e7c555..c2f5d2d 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -557,9 +557,7 @@ static inline u16 be_max_qs(struct be_adapter *adapter) #define be_pvid_tagging_enabled(adapter) (adapter->pvid) /* Is BE in QNQ multi-channel mode */ -#define be_is_qnq_mode(adapter) (adapter->mc_type == FLEX10 || \ - adapter->mc_type == vNIC1 || \ - adapter->mc_type == UFP) +#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ adapter->pdev->device == OC_DEVICE_ID4) diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 3e0a6b2..59b3c05 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -1091,7 +1091,7 @@ struct be_cmd_resp_modify_eq_delay { * based on the skew/IPL. */ #define RDMA_ENABLED 0x4 -#define FLEX10_MODE 0x400 +#define QNQ_MODE 0x400 #define VNIC_MODE 0x20000 #define UMC_ENABLED 0x1000000 struct be_cmd_req_query_fw_cfg { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 6822b3d..34a26e4 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3254,9 +3254,9 @@ err: static u8 be_convert_mc_type(u32 function_mode) { - if (function_mode & VNIC_MODE && function_mode & FLEX10_MODE) + if (function_mode & VNIC_MODE && function_mode & QNQ_MODE) return vNIC1; - else if (function_mode & FLEX10_MODE) + else if (function_mode & QNQ_MODE) return FLEX10; else if (function_mode & VNIC_MODE) return vNIC2; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 38d9d27..77037fd 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -320,6 +320,11 @@ static void *swap_buffer(void *bufaddr, int len) return bufaddr; } +static inline bool is_ipv4_pkt(struct sk_buff *skb) +{ + return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; +} + static int fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev) { @@ -330,7 +335,8 @@ fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev) if (unlikely(skb_cow_head(skb, 0))) return -1; - ip_hdr(skb)->check = 0; + if (is_ipv4_pkt(skb)) + ip_hdr(skb)->check = 0; *(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) = 0; return 0; diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 7f81ae6..e912b68 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -4199,6 +4199,13 @@ static struct dmi_system_id skge_32bit_dma_boards[] = { DMI_MATCH(DMI_BOARD_NAME, "P5NSLI") }, }, + { + .ident = "FUJITSU SIEMENS A8NE-FM", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "A8NE-FM") + }, + }, {} }; diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 5f42f6d..82ab427 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2439,7 +2439,8 @@ slave_start: (num_vfs_argc > 1 || probe_vfs_argc > 1)) { mlx4_err(dev, "Invalid syntax of num_vfs/probe_vfs with IB port - single port VFs syntax is only supported when all ports are configured as ethernet\n"); - goto err_close; + err = -EINVAL; + goto err_master_mfunc; } for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]); i++) { unsigned j; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index ff380da..b988d16 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1212,7 +1212,12 @@ static int cpsw_ndo_open(struct net_device *ndev) for_each_slave(priv, cpsw_slave_open, priv); /* Add default VLAN */ - cpsw_add_default_vlan(priv); + if (!priv->data.dual_emac) + cpsw_add_default_vlan(priv); + else + cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan, + ALE_ALL_PORTS << priv->host_port, + ALE_ALL_PORTS << priv->host_port, 0, 0); if (!cpsw_common_res_usage_state(priv)) { /* setup tx dma to fixed prio and zero offset */ diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 14389f8..4c70360 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -2191,7 +2191,6 @@ static void tile_net_setup(struct net_device *dev) static void tile_net_dev_init(const char *name, const uint8_t *mac) { int ret; - int i; struct net_device *dev; struct tile_net_priv *priv; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index c041f63..4ed38ea 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -189,7 +189,7 @@ static int netvsc_destroy_buf(struct netvsc_device *net_device) "unable to teardown send buffer's gpadl\n"); return ret; } - net_device->recv_buf_gpadl_handle = 0; + net_device->send_buf_gpadl_handle = 0; } if (net_device->send_buf) { /* Free up the receive buffer */ diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 4517b14..5089941 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -1137,6 +1137,8 @@ static int at86rf230_probe(struct spi_device *spi) dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK; irq_type = irq_get_trigger_type(spi->irq); + if (!irq_type) + irq_type = IRQF_TRIGGER_RISING; if (irq_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { irq_worker = at86rf230_irqwork; irq_handler = at86rf230_isr; @@ -1168,7 +1170,8 @@ static int at86rf230_probe(struct spi_device *spi) if (rc) goto err_hw_init; - rc = devm_request_irq(&spi->dev, spi->irq, irq_handler, IRQF_SHARED, + rc = devm_request_irq(&spi->dev, spi->irq, irq_handler, + IRQF_SHARED | irq_type, dev_name(&spi->dev), lp); if (rc) goto err_hw_init; diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index 6c622ae..fdc1b41 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -16,9 +16,13 @@ #include <linux/string.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #define AT803X_INTR_ENABLE 0x12 #define AT803X_INTR_STATUS 0x13 +#define AT803X_SMART_SPEED 0x14 +#define AT803X_LED_CONTROL 0x18 #define AT803X_WOL_ENABLE 0x01 #define AT803X_DEVICE_ADDR 0x03 #define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C @@ -35,10 +39,52 @@ #define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05 #define AT803X_DEBUG_RGMII_TX_CLK_DLY BIT(8) +#define ATH8030_PHY_ID 0x004dd076 +#define ATH8031_PHY_ID 0x004dd074 +#define ATH8035_PHY_ID 0x004dd072 + MODULE_DESCRIPTION("Atheros 803x PHY driver"); MODULE_AUTHOR("Matus Ujhelyi"); MODULE_LICENSE("GPL"); +struct at803x_priv { + bool phy_reset:1; + struct gpio_desc *gpiod_reset; +}; + +struct at803x_context { + u16 bmcr; + u16 advertise; + u16 control1000; + u16 int_enable; + u16 smart_speed; + u16 led_control; +}; + +/* save relevant PHY registers to private copy */ +static void at803x_context_save(struct phy_device *phydev, + struct at803x_context *context) +{ + context->bmcr = phy_read(phydev, MII_BMCR); + context->advertise = phy_read(phydev, MII_ADVERTISE); + context->control1000 = phy_read(phydev, MII_CTRL1000); + context->int_enable = phy_read(phydev, AT803X_INTR_ENABLE); + context->smart_speed = phy_read(phydev, AT803X_SMART_SPEED); + context->led_control = phy_read(phydev, AT803X_LED_CONTROL); +} + +/* restore relevant PHY registers from private copy */ +static void at803x_context_restore(struct phy_device *phydev, + const struct at803x_context *context) +{ + phy_write(phydev, MII_BMCR, context->bmcr); + phy_write(phydev, MII_ADVERTISE, context->advertise); + phy_write(phydev, MII_CTRL1000, context->control1000); + phy_write(phydev, AT803X_INTR_ENABLE, context->int_enable); + phy_write(phydev, AT803X_SMART_SPEED, context->smart_speed); + phy_write(phydev, AT803X_LED_CONTROL, context->led_control); +} + static int at803x_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { @@ -142,6 +188,26 @@ static int at803x_resume(struct phy_device *phydev) return 0; } +static int at803x_probe(struct phy_device *phydev) +{ + struct device *dev = &phydev->dev; + struct at803x_priv *priv; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->gpiod_reset = devm_gpiod_get(dev, "reset"); + if (IS_ERR(priv->gpiod_reset)) + priv->gpiod_reset = NULL; + else + gpiod_direction_output(priv->gpiod_reset, 1); + + phydev->priv = priv; + + return 0; +} + static int at803x_config_init(struct phy_device *phydev) { int ret; @@ -189,58 +255,99 @@ static int at803x_config_intr(struct phy_device *phydev) return err; } +static void at803x_link_change_notify(struct phy_device *phydev) +{ + struct at803x_priv *priv = phydev->priv; + + /* + * Conduct a hardware reset for AT8030 every time a link loss is + * signalled. This is necessary to circumvent a hardware bug that + * occurs when the cable is unplugged while TX packets are pending + * in the FIFO. In such cases, the FIFO enters an error mode it + * cannot recover from by software. + */ + if (phydev->drv->phy_id == ATH8030_PHY_ID) { + if (phydev->state == PHY_NOLINK) { + if (priv->gpiod_reset && !priv->phy_reset) { + struct at803x_context context; + + at803x_context_save(phydev, &context); + + gpiod_set_value(priv->gpiod_reset, 0); + msleep(1); + gpiod_set_value(priv->gpiod_reset, 1); + msleep(1); + + at803x_context_restore(phydev, &context); + + dev_dbg(&phydev->dev, "%s(): phy was reset\n", + __func__); + priv->phy_reset = true; + } + } else { + priv->phy_reset = false; + } + } +} + static struct phy_driver at803x_driver[] = { { /* ATHEROS 8035 */ - .phy_id = 0x004dd072, - .name = "Atheros 8035 ethernet", - .phy_id_mask = 0xffffffef, - .config_init = at803x_config_init, - .set_wol = at803x_set_wol, - .get_wol = at803x_get_wol, - .suspend = at803x_suspend, - .resume = at803x_resume, - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .driver = { + .phy_id = ATH8035_PHY_ID, + .name = "Atheros 8035 ethernet", + .phy_id_mask = 0xffffffef, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, + .set_wol = at803x_set_wol, + .get_wol = at803x_get_wol, + .suspend = at803x_suspend, + .resume = at803x_resume, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .driver = { .owner = THIS_MODULE, }, }, { /* ATHEROS 8030 */ - .phy_id = 0x004dd076, - .name = "Atheros 8030 ethernet", - .phy_id_mask = 0xffffffef, - .config_init = at803x_config_init, - .set_wol = at803x_set_wol, - .get_wol = at803x_get_wol, - .suspend = at803x_suspend, - .resume = at803x_resume, - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .driver = { + .phy_id = ATH8030_PHY_ID, + .name = "Atheros 8030 ethernet", + .phy_id_mask = 0xffffffef, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, + .set_wol = at803x_set_wol, + .get_wol = at803x_get_wol, + .suspend = at803x_suspend, + .resume = at803x_resume, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .driver = { .owner = THIS_MODULE, }, }, { /* ATHEROS 8031 */ - .phy_id = 0x004dd074, - .name = "Atheros 8031 ethernet", - .phy_id_mask = 0xffffffef, - .config_init = at803x_config_init, - .set_wol = at803x_set_wol, - .get_wol = at803x_get_wol, - .suspend = at803x_suspend, - .resume = at803x_resume, - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .ack_interrupt = &at803x_ack_interrupt, - .config_intr = &at803x_config_intr, - .driver = { + .phy_id = ATH8031_PHY_ID, + .name = "Atheros 8031 ethernet", + .phy_id_mask = 0xffffffef, + .probe = at803x_probe, + .config_init = at803x_config_init, + .link_change_notify = at803x_link_change_notify, + .set_wol = at803x_set_wol, + .get_wol = at803x_get_wol, + .suspend = at803x_suspend, + .resume = at803x_resume, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = &at803x_ack_interrupt, + .config_intr = &at803x_config_intr, + .driver = { .owner = THIS_MODULE, }, } }; @@ -260,9 +367,9 @@ module_init(atheros_init); module_exit(atheros_exit); static struct mdio_device_id __maybe_unused atheros_tbl[] = { - { 0x004dd076, 0xffffffef }, - { 0x004dd074, 0xffffffef }, - { 0x004dd072, 0xffffffef }, + { ATH8030_PHY_ID, 0xffffffef }, + { ATH8031_PHY_ID, 0xffffffef }, + { ATH8035_PHY_ID, 0xffffffef }, { } }; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 3bc079a..f7c6181 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -720,6 +720,9 @@ void phy_state_machine(struct work_struct *work) mutex_lock(&phydev->lock); + if (phydev->drv->link_change_notify) + phydev->drv->link_change_notify(phydev); + switch (phydev->state) { case PHY_DOWN: case PHY_STARTING: diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index ad4a94e..8752644 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -83,6 +83,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/workqueue.h> #include "slip.h" #ifdef CONFIG_INET #include <linux/ip.h> @@ -416,36 +417,46 @@ static void sl_encaps(struct slip *sl, unsigned char *icp, int len) #endif } -/* - * Called by the driver when there's room for more data. If we have - * more packets to send, we send them here. - */ -static void slip_write_wakeup(struct tty_struct *tty) +/* Write out any remaining transmit buffer. Scheduled when tty is writable */ +static void slip_transmit(struct work_struct *work) { + struct slip *sl = container_of(work, struct slip, tx_work); int actual; - struct slip *sl = tty->disc_data; + spin_lock_bh(&sl->lock); /* First make sure we're connected. */ - if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) + if (!sl->tty || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) { + spin_unlock_bh(&sl->lock); return; + } - spin_lock_bh(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; - clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); spin_unlock_bh(&sl->lock); sl_unlock(sl); return; } - actual = tty->ops->write(tty, sl->xhead, sl->xleft); + actual = sl->tty->ops->write(sl->tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; spin_unlock_bh(&sl->lock); } +/* + * Called by the driver when there's room for more data. + * Schedule the transmit. + */ +static void slip_write_wakeup(struct tty_struct *tty) +{ + struct slip *sl = tty->disc_data; + + schedule_work(&sl->tx_work); +} + static void sl_tx_timeout(struct net_device *dev) { struct slip *sl = netdev_priv(dev); @@ -749,6 +760,7 @@ static struct slip *sl_alloc(dev_t line) sl->magic = SLIP_MAGIC; sl->dev = dev; spin_lock_init(&sl->lock); + INIT_WORK(&sl->tx_work, slip_transmit); sl->mode = SL_MODE_DEFAULT; #ifdef CONFIG_SLIP_SMART /* initialize timer_list struct */ @@ -872,8 +884,12 @@ static void slip_close(struct tty_struct *tty) if (!sl || sl->magic != SLIP_MAGIC || sl->tty != tty) return; + spin_lock_bh(&sl->lock); tty->disc_data = NULL; sl->tty = NULL; + spin_unlock_bh(&sl->lock); + + flush_work(&sl->tx_work); /* VSV = very important to remove timers */ #ifdef CONFIG_SLIP_SMART diff --git a/drivers/net/slip/slip.h b/drivers/net/slip/slip.h index 67673cf..cf32aad 100644 --- a/drivers/net/slip/slip.h +++ b/drivers/net/slip/slip.h @@ -53,6 +53,7 @@ struct slip { struct tty_struct *tty; /* ptr to TTY structure */ struct net_device *dev; /* easy for intr handling */ spinlock_t lock; + struct work_struct tx_work; /* Flushes transmit buffer */ #ifdef SL_INCLUDE_CSLIP struct slcompress *slcomp; /* for header compression */ diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index f9822bc..5d95a13 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -84,12 +84,13 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, ctx = drvstate->ctx; if (usbnet_dev->status) - /* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 - * decimal (0x100)" + /* The wMaxCommand buffer must be big enough to hold + * any message from the modem. Experience has shown + * that some replies are more than 256 bytes long */ subdriver = usb_cdc_wdm_register(ctx->control, &usbnet_dev->status->desc, - 256, /* wMaxCommand */ + 1024, /* wMaxCommand */ huawei_cdc_ncm_wdm_manage_power); if (IS_ERR(subdriver)) { ret = PTR_ERR(subdriver); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 9739434..b76f7dc 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2589,8 +2589,8 @@ vmxnet3_open(struct net_device *netdev) for (i = 0; i < adapter->num_tx_queues; i++) spin_lock_init(&adapter->tx_queue[i].tx_lock); - err = vmxnet3_create_queues(adapter, VMXNET3_DEF_TX_RING_SIZE, - VMXNET3_DEF_RX_RING_SIZE, + err = vmxnet3_create_queues(adapter, adapter->tx_ring_size, + adapter->rx_ring_size, VMXNET3_DEF_RX_RING_SIZE); if (err) goto queue_err; @@ -2968,6 +2968,9 @@ vmxnet3_probe_device(struct pci_dev *pdev, adapter->netdev = netdev; adapter->pdev = pdev; + adapter->tx_ring_size = VMXNET3_DEF_TX_RING_SIZE; + adapter->rx_ring_size = VMXNET3_DEF_RX_RING_SIZE; + spin_lock_init(&adapter->cmd_lock); adapter->adapter_pa = dma_map_single(&adapter->pdev->dev, adapter, sizeof(struct vmxnet3_adapter), diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 40c1c7b..b725fd9 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -449,8 +449,8 @@ vmxnet3_get_ringparam(struct net_device *netdev, param->rx_mini_max_pending = 0; param->rx_jumbo_max_pending = 0; - param->rx_pending = adapter->rx_queue[0].rx_ring[0].size; - param->tx_pending = adapter->tx_queue[0].tx_ring.size; + param->rx_pending = adapter->rx_ring_size; + param->tx_pending = adapter->tx_ring_size; param->rx_mini_pending = 0; param->rx_jumbo_pending = 0; } @@ -529,9 +529,11 @@ vmxnet3_set_ringparam(struct net_device *netdev, * size */ netdev_err(netdev, "failed to apply new sizes, " "try the default ones\n"); + new_rx_ring_size = VMXNET3_DEF_RX_RING_SIZE; + new_tx_ring_size = VMXNET3_DEF_TX_RING_SIZE; err = vmxnet3_create_queues(adapter, - VMXNET3_DEF_TX_RING_SIZE, - VMXNET3_DEF_RX_RING_SIZE, + new_tx_ring_size, + new_rx_ring_size, VMXNET3_DEF_RX_RING_SIZE); if (err) { netdev_err(netdev, "failed to create queues " @@ -545,6 +547,8 @@ vmxnet3_set_ringparam(struct net_device *netdev, netdev_err(netdev, "failed to re-activate, error %d." " Closing it\n", err); } + adapter->tx_ring_size = new_tx_ring_size; + adapter->rx_ring_size = new_rx_ring_size; out: clear_bit(VMXNET3_STATE_BIT_RESETTING, &adapter->state); diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 190569d..29ee77f2 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -349,6 +349,11 @@ struct vmxnet3_adapter { u32 link_speed; /* in mbps */ u64 tx_timeout_count; + + /* Ring sizes */ + u32 tx_ring_size; + u32 rx_ring_size; + struct work_struct work; unsigned long state; /* VMXNET3_STATE_BIT_xxx */ diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig index e3f67b8..40fd9b7 100644 --- a/drivers/net/wireless/b43/Kconfig +++ b/drivers/net/wireless/b43/Kconfig @@ -36,7 +36,7 @@ config B43_SSB choice prompt "Supported bus types" depends on B43 - default B43_BCMA_AND_SSB + default B43_BUSES_BCMA_AND_SSB config B43_BUSES_BCMA_AND_SSB bool "BCMA and SSB" diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 32538ac..0d6a0bb 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -5221,6 +5221,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev) /* We don't support 5 GHz on some PHYs yet */ switch (dev->phy.type) { case B43_PHYTYPE_A: + case B43_PHYTYPE_G: case B43_PHYTYPE_N: case B43_PHYTYPE_LP: case B43_PHYTYPE_HT: diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 4f38f19..6e6ef3f 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -811,9 +811,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) break; case B43_PHYTYPE_G: status.band = IEEE80211_BAND_2GHZ; - /* chanid is the radio channel cookie value as used - * to tune the radio. */ - status.freq = chanid + 2400; + /* Somewhere between 478.104 and 508.1084 firmware for G-PHY + * has been modified to be compatible with N-PHY and others. + */ + if (dev->fw.rev >= 508) + status.freq = ieee80211_channel_to_frequency(chanid, status.band); + else + status.freq = chanid + 2400; break; case B43_PHYTYPE_N: case B43_PHYTYPE_LP: diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 574d4b5..2cc9b6f 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -50,7 +50,7 @@ mwifiex_map_pci_memory(struct mwifiex_adapter *adapter, struct sk_buff *skb, return -1; } mapping.len = size; - memcpy(skb->cb, &mapping, sizeof(mapping)); + mwifiex_store_mapping(skb, &mapping); return 0; } @@ -60,7 +60,7 @@ static void mwifiex_unmap_pci_memory(struct mwifiex_adapter *adapter, struct pcie_service_card *card = adapter->card; struct mwifiex_dma_mapping mapping; - MWIFIEX_SKB_PACB(skb, &mapping); + mwifiex_get_mapping(skb, &mapping); pci_unmap_single(card->dev, mapping.addr, mapping.len, flags); } diff --git a/drivers/net/wireless/mwifiex/util.h b/drivers/net/wireless/mwifiex/util.h index ddae570..caadb37 100644 --- a/drivers/net/wireless/mwifiex/util.h +++ b/drivers/net/wireless/mwifiex/util.h @@ -20,32 +20,55 @@ #ifndef _MWIFIEX_UTIL_H_ #define _MWIFIEX_UTIL_H_ +struct mwifiex_dma_mapping { + dma_addr_t addr; + size_t len; +}; + +struct mwifiex_cb { + struct mwifiex_dma_mapping dma_mapping; + union { + struct mwifiex_rxinfo rx_info; + struct mwifiex_txinfo tx_info; + }; +}; + static inline struct mwifiex_rxinfo *MWIFIEX_SKB_RXCB(struct sk_buff *skb) { - return (struct mwifiex_rxinfo *)(skb->cb + sizeof(dma_addr_t)); + struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; + + BUILD_BUG_ON(sizeof(struct mwifiex_cb) > sizeof(skb->cb)); + return &cb->rx_info; } static inline struct mwifiex_txinfo *MWIFIEX_SKB_TXCB(struct sk_buff *skb) { - return (struct mwifiex_txinfo *)(skb->cb + sizeof(dma_addr_t)); + struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; + + return &cb->tx_info; } -struct mwifiex_dma_mapping { - dma_addr_t addr; - size_t len; -}; +static inline void mwifiex_store_mapping(struct sk_buff *skb, + struct mwifiex_dma_mapping *mapping) +{ + struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; + + memcpy(&cb->dma_mapping, mapping, sizeof(*mapping)); +} -static inline void MWIFIEX_SKB_PACB(struct sk_buff *skb, - struct mwifiex_dma_mapping *mapping) +static inline void mwifiex_get_mapping(struct sk_buff *skb, + struct mwifiex_dma_mapping *mapping) { - memcpy(mapping, skb->cb, sizeof(*mapping)); + struct mwifiex_cb *cb = (struct mwifiex_cb *)skb->cb; + + memcpy(mapping, &cb->dma_mapping, sizeof(*mapping)); } static inline dma_addr_t MWIFIEX_SKB_DMA_ADDR(struct sk_buff *skb) { struct mwifiex_dma_mapping mapping; - MWIFIEX_SKB_PACB(skb, &mapping); + mwifiex_get_mapping(skb, &mapping); return mapping.addr; } diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 2f1cd92..a511ccc 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1681,8 +1681,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) /* * Detect if this device has an hardware controlled radio. */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) + if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) { __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); + /* + * On this device RFKILL initialized during probe does not work. + */ + __set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags); + } /* * Check if the BBP tuning should be enabled. diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index a49c3d7..e11dab2 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -229,6 +229,27 @@ static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer) /* * Firmware functions */ +static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev) +{ + __le32 reg; + u32 fw_mode; + + /* cannot use rt2x00usb_register_read here as it uses different + * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the + * magic value USB_MODE_AUTORUN (0x11) to the device, thus the + * returned value would be invalid. + */ + rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE, + USB_VENDOR_REQUEST_IN, 0, USB_MODE_AUTORUN, + ®, sizeof(reg), REGISTER_TIMEOUT_FIRMWARE); + fw_mode = le32_to_cpu(reg); + + if ((fw_mode & 0x00000003) == 2) + return 1; + + return 0; +} + static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) { return FIRMWARE_RT2870; @@ -257,8 +278,13 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, /* * Write firmware to device. */ - rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, - data + offset, length); + if (rt2800usb_autorun_detect(rt2x00dev)) { + rt2x00_info(rt2x00dev, + "Firmware loading not required - NIC in AutoRun mode\n"); + } else { + rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, + data + offset, length); + } rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); @@ -735,11 +761,18 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, /* * Device probe functions. */ +static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev) +{ + if (rt2800usb_autorun_detect(rt2x00dev)) + return 1; + return rt2800_efuse_detect(rt2x00dev); +} + static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev) { int retval; - if (rt2800_efuse_detect(rt2x00dev)) + if (rt2800usb_efuse_detect(rt2x00dev)) retval = rt2800_read_eeprom_efuse(rt2x00dev); else retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 010b765..d13f25c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -693,6 +693,7 @@ enum rt2x00_capability_flags { REQUIRE_SW_SEQNO, REQUIRE_HT_TX_DESC, REQUIRE_PS_AUTOWAKE, + REQUIRE_DELAYED_RFKILL, /* * Capabilities diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 2bde672..4fa43a2e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1126,9 +1126,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev) return; /* - * Unregister extra components. + * Stop rfkill polling. */ - rt2x00rfkill_unregister(rt2x00dev); + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); /* * Allow the HW to uninitialize. @@ -1166,6 +1167,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev) set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags); + /* + * Start rfkill polling. + */ + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); + return 0; } @@ -1375,7 +1382,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) rt2x00link_register(rt2x00dev); rt2x00leds_register(rt2x00dev); rt2x00debug_register(rt2x00dev); - rt2x00rfkill_register(rt2x00dev); + + /* + * Start rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); return 0; @@ -1391,6 +1403,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); /* + * Stop rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); + + /* * Disable radio. */ rt2x00lib_disable_radio(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 212ac48..004dff9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -487,6 +487,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; + if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev)) + return -EOPNOTSUPP; crypto.cmd = cmd; diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index e7bcf62..831b65f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.h +++ b/drivers/net/wireless/rt2x00/rt2x00usb.h @@ -93,6 +93,7 @@ enum rt2x00usb_mode_offset { USB_MODE_SLEEP = 7, /* RT73USB */ USB_MODE_FIRMWARE = 8, /* RT73USB */ USB_MODE_WAKEUP = 9, /* RT73USB */ + USB_MODE_AUTORUN = 17, /* RT2800USB */ }; /** diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 4dd7c4a..2532ce8 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -222,6 +222,7 @@ struct xenvif { /* Queues */ struct xenvif_queue *queues; + unsigned int num_queues; /* active queues, resource allocated */ /* Miscellaneous private stuff. */ struct net_device *dev; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 852da34..9e97c7c 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -137,32 +137,11 @@ static void xenvif_wake_queue_callback(unsigned long data) } } -static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv, select_queue_fallback_t fallback) -{ - unsigned int num_queues = dev->real_num_tx_queues; - u32 hash; - u16 queue_index; - - /* First, check if there is only one queue to optimise the - * single-queue or old frontend scenario. - */ - if (num_queues == 1) { - queue_index = 0; - } else { - /* Use skb_get_hash to obtain an L4 hash if available */ - hash = skb_get_hash(skb); - queue_index = hash % num_queues; - } - - return queue_index; -} - static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; - unsigned int num_queues = dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; u16 index; int min_slots_needed; @@ -225,7 +204,7 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev) { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; - unsigned int num_queues = dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; unsigned long rx_bytes = 0; unsigned long rx_packets = 0; unsigned long tx_bytes = 0; @@ -256,7 +235,7 @@ out: static void xenvif_up(struct xenvif *vif) { struct xenvif_queue *queue = NULL; - unsigned int num_queues = vif->dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; unsigned int queue_index; for (queue_index = 0; queue_index < num_queues; ++queue_index) { @@ -272,7 +251,7 @@ static void xenvif_up(struct xenvif *vif) static void xenvif_down(struct xenvif *vif) { struct xenvif_queue *queue = NULL; - unsigned int num_queues = vif->dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; unsigned int queue_index; for (queue_index = 0; queue_index < num_queues; ++queue_index) { @@ -379,7 +358,7 @@ static void xenvif_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 * data) { struct xenvif *vif = netdev_priv(dev); - unsigned int num_queues = dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; int i; unsigned int queue_index; struct xenvif_stats *vif_stats; @@ -424,7 +403,6 @@ static const struct net_device_ops xenvif_netdev_ops = { .ndo_fix_features = xenvif_fix_features, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, - .ndo_select_queue = xenvif_select_queue, }; struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, @@ -438,7 +416,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, snprintf(name, IFNAMSIZ - 1, "vif%u.%u", domid, handle); /* Allocate a netdev with the max. supported number of queues. * When the guest selects the desired number, it will be updated - * via netif_set_real_num_tx_queues(). + * via netif_set_real_num_*_queues(). */ dev = alloc_netdev_mq(sizeof(struct xenvif), name, ether_setup, xenvif_max_queues); @@ -458,11 +436,9 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, vif->dev = dev; vif->disabled = false; - /* Start out with no queues. The call below does not require - * rtnl_lock() as it happens before register_netdev(). - */ + /* Start out with no queues. */ vif->queues = NULL; - netif_set_real_num_tx_queues(dev, 0); + vif->num_queues = 0; dev->netdev_ops = &xenvif_netdev_ops; dev->hw_features = NETIF_F_SG | @@ -677,7 +653,7 @@ static void xenvif_wait_unmap_timeout(struct xenvif_queue *queue, void xenvif_disconnect(struct xenvif *vif) { struct xenvif_queue *queue = NULL; - unsigned int num_queues = vif->dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; unsigned int queue_index; if (netif_carrier_ok(vif->dev)) @@ -724,7 +700,7 @@ void xenvif_deinit_queue(struct xenvif_queue *queue) void xenvif_free(struct xenvif *vif) { struct xenvif_queue *queue = NULL; - unsigned int num_queues = vif->dev->real_num_tx_queues; + unsigned int num_queues = vif->num_queues; unsigned int queue_index; /* Here we want to avoid timeout messages if an skb can be legitimately * stuck somewhere else. Realistically this could be an another vif's @@ -748,12 +724,9 @@ void xenvif_free(struct xenvif *vif) xenvif_deinit_queue(queue); } - /* Free the array of queues. The call below does not require - * rtnl_lock() because it happens after unregister_netdev(). - */ - netif_set_real_num_tx_queues(vif->dev, 0); vfree(vif->queues); vif->queues = NULL; + vif->num_queues = 0; free_netdev(vif->dev); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 96c63dc2..3d85acd 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -527,9 +527,7 @@ static void connect(struct backend_info *be) /* Use the number of queues requested by the frontend */ be->vif->queues = vzalloc(requested_num_queues * sizeof(struct xenvif_queue)); - rtnl_lock(); - netif_set_real_num_tx_queues(be->vif->dev, requested_num_queues); - rtnl_unlock(); + be->vif->num_queues = requested_num_queues; for (queue_index = 0; queue_index < requested_num_queues; ++queue_index) { queue = &be->vif->queues[queue_index]; @@ -546,9 +544,7 @@ static void connect(struct backend_info *be) * earlier queues can be destroyed using the regular * disconnect logic. */ - rtnl_lock(); - netif_set_real_num_tx_queues(be->vif->dev, queue_index); - rtnl_unlock(); + be->vif->num_queues = queue_index; goto err; } @@ -561,13 +557,19 @@ static void connect(struct backend_info *be) * and also clean up any previously initialised queues. */ xenvif_deinit_queue(queue); - rtnl_lock(); - netif_set_real_num_tx_queues(be->vif->dev, queue_index); - rtnl_unlock(); + be->vif->num_queues = queue_index; goto err; } } + /* Initialisation completed, tell core driver the number of + * active queues. + */ + rtnl_lock(); + netif_set_real_num_tx_queues(be->vif->dev, requested_num_queues); + netif_set_real_num_rx_queues(be->vif->dev, requested_num_queues); + rtnl_unlock(); + xenvif_carrier_on(be->vif); unregister_hotplug_status_watch(be); @@ -582,13 +584,11 @@ static void connect(struct backend_info *be) return; err: - if (be->vif->dev->real_num_tx_queues > 0) + if (be->vif->num_queues > 0) xenvif_disconnect(be->vif); /* Clean up existing queues */ vfree(be->vif->queues); be->vif->queues = NULL; - rtnl_lock(); - netif_set_real_num_tx_queues(be->vif->dev, 0); - rtnl_unlock(); + be->vif->num_queues = 0; return; } @@ -596,7 +596,7 @@ err: static int connect_rings(struct backend_info *be, struct xenvif_queue *queue) { struct xenbus_device *dev = be->dev; - unsigned int num_queues = queue->vif->dev->real_num_tx_queues; + unsigned int num_queues = queue->vif->num_queues; unsigned long tx_ring_ref, rx_ring_ref; unsigned int tx_evtchn, rx_evtchn; int err; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 5a7872a..2ccb4a0 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1287,7 +1287,7 @@ static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) if (likely(netif_carrier_ok(dev) && RING_HAS_UNCONSUMED_RESPONSES(&queue->rx))) - napi_schedule(&queue->napi); + napi_schedule(&queue->napi); return IRQ_HANDLED; } @@ -1437,10 +1437,11 @@ static void xennet_end_access(int ref, void *page) static void xennet_disconnect_backend(struct netfront_info *info) { unsigned int i = 0; - struct netfront_queue *queue = NULL; unsigned int num_queues = info->netdev->real_num_tx_queues; 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); @@ -1698,8 +1699,6 @@ static int xennet_init_queue(struct netfront_queue *queue) goto exit_free_tx; } - netif_napi_add(queue->info->netdev, &queue->napi, xennet_poll, 64); - return 0; exit_free_tx: @@ -1790,6 +1789,70 @@ error: return err; } +static void xennet_destroy_queues(struct netfront_info *info) +{ + unsigned int i; + + rtnl_lock(); + + for (i = 0; i < info->netdev->real_num_tx_queues; i++) { + struct netfront_queue *queue = &info->queues[i]; + + if (netif_running(info->netdev)) + napi_disable(&queue->napi); + netif_napi_del(&queue->napi); + } + + rtnl_unlock(); + + kfree(info->queues); + info->queues = NULL; +} + +static int xennet_create_queues(struct netfront_info *info, + unsigned int num_queues) +{ + unsigned int i; + int ret; + + info->queues = kcalloc(num_queues, sizeof(struct netfront_queue), + GFP_KERNEL); + if (!info->queues) + return -ENOMEM; + + rtnl_lock(); + + for (i = 0; i < num_queues; i++) { + struct netfront_queue *queue = &info->queues[i]; + + queue->id = i; + queue->info = info; + + ret = xennet_init_queue(queue); + if (ret < 0) { + dev_warn(&info->netdev->dev, "only created %d queues\n", + num_queues); + num_queues = i; + break; + } + + netif_napi_add(queue->info->netdev, &queue->napi, + xennet_poll, 64); + if (netif_running(info->netdev)) + napi_enable(&queue->napi); + } + + netif_set_real_num_tx_queues(info->netdev, num_queues); + + rtnl_unlock(); + + if (num_queues == 0) { + dev_err(&info->netdev->dev, "no queues\n"); + return -EINVAL; + } + return 0; +} + /* Common code used when first setting up, and when resuming. */ static int talk_to_netback(struct xenbus_device *dev, struct netfront_info *info) @@ -1826,42 +1889,20 @@ static int talk_to_netback(struct xenbus_device *dev, goto out; } - /* Allocate array of queues */ - info->queues = kcalloc(num_queues, sizeof(struct netfront_queue), GFP_KERNEL); - if (!info->queues) { - err = -ENOMEM; - goto out; - } - rtnl_lock(); - netif_set_real_num_tx_queues(info->netdev, num_queues); - rtnl_unlock(); + if (info->queues) + xennet_destroy_queues(info); + + err = xennet_create_queues(info, num_queues); + if (err < 0) + goto destroy_ring; /* Create shared ring, alloc event channel -- for each queue */ for (i = 0; i < num_queues; ++i) { queue = &info->queues[i]; - queue->id = i; - queue->info = info; - err = xennet_init_queue(queue); - if (err) { - /* xennet_init_queue() cleans up after itself on failure, - * but we still have to clean up any previously initialised - * queues. If i > 0, set num_queues to i, then goto - * destroy_ring, which calls xennet_disconnect_backend() - * to tidy up. - */ - if (i > 0) { - rtnl_lock(); - netif_set_real_num_tx_queues(info->netdev, i); - rtnl_unlock(); - goto destroy_ring; - } else { - goto out; - } - } err = setup_netfront(dev, queue, feature_split_evtchn); if (err) { - /* As for xennet_init_queue(), setup_netfront() will tidy - * up the current queue on error, but we need to clean up + /* setup_netfront() will tidy up the current + * queue on error, but we need to clean up * those already allocated. */ if (i > 0) { |
