diff options
Diffstat (limited to 'drivers/net/ethernet/ibm')
| -rw-r--r-- | drivers/net/ethernet/ibm/ehea/ehea_ethtool.c | 51 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ehea/ehea_main.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/core.c | 324 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/core.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/mal.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmveth.c | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 179 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.h | 5 |
9 files changed, 463 insertions, 156 deletions
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c index 85a3866459cf..4f58d338d739 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c @@ -31,9 +31,11 @@ #include "ehea.h" #include "ehea_phyp.h" -static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +static int ehea_get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *cmd) { struct ehea_port *port = netdev_priv(dev); + u32 supported, advertising; u32 speed; int ret; @@ -60,68 +62,75 @@ static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) speed = -1; break; /* BUG */ } - cmd->duplex = port->full_duplex == 1 ? + cmd->base.duplex = port->full_duplex == 1 ? DUPLEX_FULL : DUPLEX_HALF; } else { speed = SPEED_UNKNOWN; - cmd->duplex = DUPLEX_UNKNOWN; + cmd->base.duplex = DUPLEX_UNKNOWN; } - ethtool_cmd_speed_set(cmd, speed); + cmd->base.speed = speed; - if (cmd->speed == SPEED_10000) { - cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); - cmd->port = PORT_FIBRE; + if (cmd->base.speed == SPEED_10000) { + supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); + cmd->base.port = PORT_FIBRE; } else { - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full + supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg | SUPPORTED_TP); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg + advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_TP); - cmd->port = PORT_TP; + cmd->base.port = PORT_TP; } - cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE; + cmd->base.autoneg = port->autoneg == 1 ? + AUTONEG_ENABLE : AUTONEG_DISABLE; + + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, + advertising); return 0; } -static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +static int ehea_set_link_ksettings(struct net_device *dev, + const struct ethtool_link_ksettings *cmd) { struct ehea_port *port = netdev_priv(dev); int ret = 0; u32 sp; - if (cmd->autoneg == AUTONEG_ENABLE) { + if (cmd->base.autoneg == AUTONEG_ENABLE) { sp = EHEA_SPEED_AUTONEG; goto doit; } - switch (cmd->speed) { + switch (cmd->base.speed) { case SPEED_10: - if (cmd->duplex == DUPLEX_FULL) + if (cmd->base.duplex == DUPLEX_FULL) sp = H_SPEED_10M_F; else sp = H_SPEED_10M_H; break; case SPEED_100: - if (cmd->duplex == DUPLEX_FULL) + if (cmd->base.duplex == DUPLEX_FULL) sp = H_SPEED_100M_F; else sp = H_SPEED_100M_H; break; case SPEED_1000: - if (cmd->duplex == DUPLEX_FULL) + if (cmd->base.duplex == DUPLEX_FULL) sp = H_SPEED_1G_F; else ret = -EINVAL; break; case SPEED_10000: - if (cmd->duplex == DUPLEX_FULL) + if (cmd->base.duplex == DUPLEX_FULL) sp = H_SPEED_10G_F; else ret = -EINVAL; @@ -264,7 +273,6 @@ static void ehea_get_ethtool_stats(struct net_device *dev, } static const struct ethtool_ops ehea_ethtool_ops = { - .get_settings = ehea_get_settings, .get_drvinfo = ehea_get_drvinfo, .get_msglevel = ehea_get_msglevel, .set_msglevel = ehea_set_msglevel, @@ -272,8 +280,9 @@ static const struct ethtool_ops ehea_ethtool_ops = { .get_strings = ehea_get_strings, .get_sset_count = ehea_get_sset_count, .get_ethtool_stats = ehea_get_ethtool_stats, - .set_settings = ehea_set_settings, .nway_reset = ehea_nway_reset, /* Restart autonegotiation */ + .get_link_ksettings = ehea_get_link_ksettings, + .set_link_ksettings = ehea_set_link_ksettings, }; void ehea_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 702446a93697..1e53d7a82675 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -328,8 +328,8 @@ out: spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags); } -static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *stats) +static void ehea_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *stats) { struct ehea_port *port = netdev_priv(dev); u64 rx_packets = 0, tx_packets = 0, rx_bytes = 0, tx_bytes = 0; @@ -352,7 +352,6 @@ static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev, stats->multicast = port->stats.multicast; stats->rx_errors = port->stats.rx_errors; - return stats; } static void ehea_update_stats(struct work_struct *work) diff --git a/drivers/net/ethernet/ibm/emac/Kconfig b/drivers/net/ethernet/ibm/emac/Kconfig index 3f44a30e0615..90d49191beb3 100644 --- a/drivers/net/ethernet/ibm/emac/Kconfig +++ b/drivers/net/ethernet/ibm/emac/Kconfig @@ -2,6 +2,7 @@ config IBM_EMAC tristate "IBM EMAC Ethernet support" depends on PPC_DCR select CRC32 + select PHYLIB help This driver supports the IBM EMAC family of Ethernet controllers typically found on 4xx embedded PowerPC chips, but also on the diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 5909615c27f7..275c2e2349ad 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -42,6 +42,7 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_net.h> +#include <linux/of_mdio.h> #include <linux/slab.h> #include <asm/processor.h> @@ -1991,69 +1992,79 @@ static struct mal_commac_ops emac_commac_sg_ops = { }; /* Ethtool support */ -static int emac_ethtool_get_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) +static int emac_ethtool_get_link_ksettings(struct net_device *ndev, + struct ethtool_link_ksettings *cmd) { struct emac_instance *dev = netdev_priv(ndev); + u32 supported, advertising; - cmd->supported = dev->phy.features; - cmd->port = PORT_MII; - cmd->phy_address = dev->phy.address; - cmd->transceiver = - dev->phy.address >= 0 ? XCVR_EXTERNAL : XCVR_INTERNAL; + supported = dev->phy.features; + cmd->base.port = PORT_MII; + cmd->base.phy_address = dev->phy.address; mutex_lock(&dev->link_lock); - cmd->advertising = dev->phy.advertising; - cmd->autoneg = dev->phy.autoneg; - cmd->speed = dev->phy.speed; - cmd->duplex = dev->phy.duplex; + advertising = dev->phy.advertising; + cmd->base.autoneg = dev->phy.autoneg; + cmd->base.speed = dev->phy.speed; + cmd->base.duplex = dev->phy.duplex; mutex_unlock(&dev->link_lock); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, + advertising); + return 0; } -static int emac_ethtool_set_settings(struct net_device *ndev, - struct ethtool_cmd *cmd) +static int +emac_ethtool_set_link_ksettings(struct net_device *ndev, + const struct ethtool_link_ksettings *cmd) { struct emac_instance *dev = netdev_priv(ndev); u32 f = dev->phy.features; + u32 advertising; + + ethtool_convert_link_mode_to_legacy_u32(&advertising, + cmd->link_modes.advertising); DBG(dev, "set_settings(%d, %d, %d, 0x%08x)" NL, - cmd->autoneg, cmd->speed, cmd->duplex, cmd->advertising); + cmd->base.autoneg, cmd->base.speed, cmd->base.duplex, advertising); /* Basic sanity checks */ if (dev->phy.address < 0) return -EOPNOTSUPP; - if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) + if (cmd->base.autoneg != AUTONEG_ENABLE && + cmd->base.autoneg != AUTONEG_DISABLE) return -EINVAL; - if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0) + if (cmd->base.autoneg == AUTONEG_ENABLE && advertising == 0) return -EINVAL; - if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) + if (cmd->base.duplex != DUPLEX_HALF && cmd->base.duplex != DUPLEX_FULL) return -EINVAL; - if (cmd->autoneg == AUTONEG_DISABLE) { - switch (cmd->speed) { + if (cmd->base.autoneg == AUTONEG_DISABLE) { + switch (cmd->base.speed) { case SPEED_10: - if (cmd->duplex == DUPLEX_HALF && + if (cmd->base.duplex == DUPLEX_HALF && !(f & SUPPORTED_10baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && + if (cmd->base.duplex == DUPLEX_FULL && !(f & SUPPORTED_10baseT_Full)) return -EINVAL; break; case SPEED_100: - if (cmd->duplex == DUPLEX_HALF && + if (cmd->base.duplex == DUPLEX_HALF && !(f & SUPPORTED_100baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && + if (cmd->base.duplex == DUPLEX_FULL && !(f & SUPPORTED_100baseT_Full)) return -EINVAL; break; case SPEED_1000: - if (cmd->duplex == DUPLEX_HALF && + if (cmd->base.duplex == DUPLEX_HALF && !(f & SUPPORTED_1000baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && + if (cmd->base.duplex == DUPLEX_FULL && !(f & SUPPORTED_1000baseT_Full)) return -EINVAL; break; @@ -2062,8 +2073,8 @@ static int emac_ethtool_set_settings(struct net_device *ndev, } mutex_lock(&dev->link_lock); - dev->phy.def->ops->setup_forced(&dev->phy, cmd->speed, - cmd->duplex); + dev->phy.def->ops->setup_forced(&dev->phy, cmd->base.speed, + cmd->base.duplex); mutex_unlock(&dev->link_lock); } else { @@ -2072,7 +2083,7 @@ static int emac_ethtool_set_settings(struct net_device *ndev, mutex_lock(&dev->link_lock); dev->phy.def->ops->setup_aneg(&dev->phy, - (cmd->advertising & f) | + (advertising & f) | (dev->phy.advertising & (ADVERTISED_Pause | ADVERTISED_Asym_Pause))); @@ -2234,8 +2245,6 @@ static void emac_ethtool_get_drvinfo(struct net_device *ndev, } static const struct ethtool_ops emac_ethtool_ops = { - .get_settings = emac_ethtool_get_settings, - .set_settings = emac_ethtool_set_settings, .get_drvinfo = emac_ethtool_get_drvinfo, .get_regs_len = emac_ethtool_get_regs_len, @@ -2251,6 +2260,8 @@ static const struct ethtool_ops emac_ethtool_ops = { .get_ethtool_stats = emac_ethtool_get_ethtool_stats, .get_link = ethtool_op_get_link, + .get_link_ksettings = emac_ethtool_get_link_ksettings, + .set_link_ksettings = emac_ethtool_set_link_ksettings, }; static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) @@ -2410,6 +2421,219 @@ static int emac_read_uint_prop(struct device_node *np, const char *name, return 0; } +static void emac_adjust_link(struct net_device *ndev) +{ + struct emac_instance *dev = netdev_priv(ndev); + struct phy_device *phy = dev->phy_dev; + + dev->phy.autoneg = phy->autoneg; + dev->phy.speed = phy->speed; + dev->phy.duplex = phy->duplex; + dev->phy.pause = phy->pause; + dev->phy.asym_pause = phy->asym_pause; + dev->phy.advertising = phy->advertising; +} + +static int emac_mii_bus_read(struct mii_bus *bus, int addr, int regnum) +{ + int ret = emac_mdio_read(bus->priv, addr, regnum); + /* This is a workaround for powered down ports/phys. + * In the wild, this was seen on the Cisco Meraki MX60(W). + * This hardware disables ports as part of the handoff + * procedure. Accessing the ports will lead to errors + * (-ETIMEDOUT, -EREMOTEIO) that do more harm than good. + */ + return ret < 0 ? 0xffff : ret; +} + +static int emac_mii_bus_write(struct mii_bus *bus, int addr, + int regnum, u16 val) +{ + emac_mdio_write(bus->priv, addr, regnum, val); + return 0; +} + +static int emac_mii_bus_reset(struct mii_bus *bus) +{ + struct emac_instance *dev = netdev_priv(bus->priv); + + return emac_reset(dev); +} + +static int emac_mdio_setup_aneg(struct mii_phy *phy, u32 advertise) +{ + struct net_device *ndev = phy->dev; + struct emac_instance *dev = netdev_priv(ndev); + + dev->phy.autoneg = AUTONEG_ENABLE; + dev->phy.speed = SPEED_1000; + dev->phy.duplex = DUPLEX_FULL; + dev->phy.advertising = advertise; + phy->autoneg = AUTONEG_ENABLE; + phy->speed = dev->phy.speed; + phy->duplex = dev->phy.duplex; + phy->advertising = advertise; + return phy_start_aneg(dev->phy_dev); +} + +static int emac_mdio_setup_forced(struct mii_phy *phy, int speed, int fd) +{ + struct net_device *ndev = phy->dev; + struct emac_instance *dev = netdev_priv(ndev); + + dev->phy.autoneg = AUTONEG_DISABLE; + dev->phy.speed = speed; + dev->phy.duplex = fd; + phy->autoneg = AUTONEG_DISABLE; + phy->speed = speed; + phy->duplex = fd; + return phy_start_aneg(dev->phy_dev); +} + +static int emac_mdio_poll_link(struct mii_phy *phy) +{ + struct net_device *ndev = phy->dev; + struct emac_instance *dev = netdev_priv(ndev); + int res; + + res = phy_read_status(dev->phy_dev); + if (res) { + dev_err(&dev->ofdev->dev, "link update failed (%d).", res); + return ethtool_op_get_link(ndev); + } + + return dev->phy_dev->link; +} + +static int emac_mdio_read_link(struct mii_phy *phy) +{ + struct net_device *ndev = phy->dev; + struct emac_instance *dev = netdev_priv(ndev); + int res; + + res = phy_read_status(dev->phy_dev); + if (res) + return res; + + dev->phy.speed = phy->speed; + dev->phy.duplex = phy->duplex; + dev->phy.pause = phy->pause; + dev->phy.asym_pause = phy->asym_pause; + return 0; +} + +static int emac_mdio_init_phy(struct mii_phy *phy) +{ + struct net_device *ndev = phy->dev; + struct emac_instance *dev = netdev_priv(ndev); + + phy_start(dev->phy_dev); + dev->phy.autoneg = phy->autoneg; + dev->phy.speed = phy->speed; + dev->phy.duplex = phy->duplex; + dev->phy.advertising = phy->advertising; + dev->phy.pause = phy->pause; + dev->phy.asym_pause = phy->asym_pause; + + return phy_init_hw(dev->phy_dev); +} + +static const struct mii_phy_ops emac_dt_mdio_phy_ops = { + .init = emac_mdio_init_phy, + .setup_aneg = emac_mdio_setup_aneg, + .setup_forced = emac_mdio_setup_forced, + .poll_link = emac_mdio_poll_link, + .read_link = emac_mdio_read_link, +}; + +static int emac_dt_mdio_probe(struct emac_instance *dev) +{ + struct device_node *mii_np; + int res; + + mii_np = of_get_child_by_name(dev->ofdev->dev.of_node, "mdio"); + if (!mii_np) { + dev_err(&dev->ofdev->dev, "no mdio definition found."); + return -ENODEV; + } + + if (!of_device_is_available(mii_np)) { + res = -ENODEV; + goto put_node; + } + + dev->mii_bus = devm_mdiobus_alloc(&dev->ofdev->dev); + if (!dev->mii_bus) { + res = -ENOMEM; + goto put_node; + } + + dev->mii_bus->priv = dev->ndev; + dev->mii_bus->parent = dev->ndev->dev.parent; + dev->mii_bus->name = "emac_mdio"; + dev->mii_bus->read = &emac_mii_bus_read; + dev->mii_bus->write = &emac_mii_bus_write; + dev->mii_bus->reset = &emac_mii_bus_reset; + snprintf(dev->mii_bus->id, MII_BUS_ID_SIZE, "%s", dev->ofdev->name); + res = of_mdiobus_register(dev->mii_bus, mii_np); + if (res) { + dev_err(&dev->ofdev->dev, "cannot register MDIO bus %s (%d)", + dev->mii_bus->name, res); + } + + put_node: + of_node_put(mii_np); + return res; +} + +static int emac_dt_phy_connect(struct emac_instance *dev, + struct device_node *phy_handle) +{ + int res; + + dev->phy.def = devm_kzalloc(&dev->ofdev->dev, sizeof(*dev->phy.def), + GFP_KERNEL); + if (!dev->phy.def) + return -ENOMEM; + + dev->phy_dev = of_phy_connect(dev->ndev, phy_handle, &emac_adjust_link, + 0, dev->phy_mode); + if (!dev->phy_dev) { + dev_err(&dev->ofdev->dev, "failed to connect to PHY.\n"); + return -ENODEV; + } + + dev->phy.def->phy_id = dev->phy_dev->drv->phy_id; + dev->phy.def->phy_id_mask = dev->phy_dev->drv->phy_id_mask; + dev->phy.def->name = dev->phy_dev->drv->name; + dev->phy.def->ops = &emac_dt_mdio_phy_ops; + dev->phy.features = dev->phy_dev->supported; + dev->phy.address = dev->phy_dev->mdio.addr; + dev->phy.mode = dev->phy_dev->interface; + return 0; +} + +static int emac_dt_phy_probe(struct emac_instance *dev) +{ + struct device_node *np = dev->ofdev->dev.of_node; + struct device_node *phy_handle; + int res = 0; + + phy_handle = of_parse_phandle(np, "phy-handle", 0); + + if (phy_handle) { + res = emac_dt_mdio_probe(dev); + if (!res) { + res = emac_dt_phy_connect(dev, phy_handle); + if (res) + mdiobus_unregister(dev->mii_bus); + } + } + + of_node_put(phy_handle); + return res; +} + static int emac_init_phy(struct emac_instance *dev) { struct device_node *np = dev->ofdev->dev.of_node; @@ -2420,15 +2644,12 @@ static int emac_init_phy(struct emac_instance *dev) dev->phy.dev = ndev; dev->phy.mode = dev->phy_mode; - /* PHY-less configuration. - * XXX I probably should move these settings to the dev tree - */ - if (dev->phy_address == 0xffffffff && dev->phy_map == 0xffffffff) { + /* PHY-less configuration. */ + if ((dev->phy_address == 0xffffffff && dev->phy_map == 0xffffffff) || + of_phy_is_fixed_link(np)) { emac_reset(dev); - /* PHY-less configuration. - * XXX I probably should move these settings to the dev tree - */ + /* PHY-less configuration. */ dev->phy.address = -1; dev->phy.features = SUPPORTED_MII; if (emac_phy_supports_gige(dev->phy_mode)) @@ -2437,6 +2658,16 @@ static int emac_init_phy(struct emac_instance *dev) dev->phy.features |= SUPPORTED_100baseT_Full; dev->phy.pause = 1; + if (of_phy_is_fixed_link(np)) { + int res = emac_dt_mdio_probe(dev); + + if (!res) { + res = of_phy_register_fixed_link(np); + if (res) + mdiobus_unregister(dev->mii_bus); + } + return res; + } return 0; } @@ -2480,6 +2711,18 @@ static int emac_init_phy(struct emac_instance *dev) emac_configure(dev); + if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) { + int res = emac_dt_phy_probe(dev); + + mutex_unlock(&emac_phy_map_lock); + if (!res) + goto init_phy; + + dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n", + res); + return res; + } + if (dev->phy_address != 0xffffffff) phy_map = ~(1 << dev->phy_address); @@ -2507,6 +2750,7 @@ static int emac_init_phy(struct emac_instance *dev) return -ENXIO; } + init_phy: /* Init PHY */ if (dev->phy.def->ops->init) dev->phy.def->ops->init(&dev->phy); @@ -2978,6 +3222,12 @@ static int emac_remove(struct platform_device *ofdev) if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) zmii_detach(dev->zmii_dev, dev->zmii_port); + if (dev->phy_dev) + phy_disconnect(dev->phy_dev); + + if (dev->mii_bus) + mdiobus_unregister(dev->mii_bus); + busy_phy_map &= ~(1 << dev->phy.address); DBG(dev, "busy_phy_map now %#x" NL, busy_phy_map); diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h index 93ae11494810..0710a6685489 100644 --- a/drivers/net/ethernet/ibm/emac/core.h +++ b/drivers/net/ethernet/ibm/emac/core.h @@ -199,6 +199,10 @@ struct emac_instance { struct emac_instance *mdio_instance; struct mutex mdio_lock; + /* Device-tree based phy configuration */ + struct mii_bus *mii_bus; + struct phy_device *phy_dev; + /* ZMII infos if any */ u32 zmii_ph; u32 zmii_port; diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index aaf6fec566b5..cd3227b088b7 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -421,20 +421,20 @@ static int mal_poll(struct napi_struct *napi, int budget) int n; if (unlikely(test_bit(MAL_COMMAC_POLL_DISABLED, &mc->flags))) continue; - n = mc->ops->poll_rx(mc->dev, budget); + n = mc->ops->poll_rx(mc->dev, budget - received); if (n) { received += n; - budget -= n; - if (budget <= 0) - goto more_work; // XXX What if this is the last one ? + if (received >= budget) + return budget; } } - /* We need to disable IRQs to protect from RXDE IRQ here */ - spin_lock_irqsave(&mal->lock, flags); - __napi_complete(napi); - mal_enable_eob_irq(mal); - spin_unlock_irqrestore(&mal->lock, flags); + if (napi_complete_done(napi, received)) { + /* We need to disable IRQs to protect from RXDE IRQ here */ + spin_lock_irqsave(&mal->lock, flags); + mal_enable_eob_irq(mal); + spin_unlock_irqrestore(&mal->lock, flags); + } /* Check for "rotting" packet(s) */ list_for_each(l, &mal->poll_list) { diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 309f5c66083c..72ab7b6bf20b 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -729,20 +729,26 @@ static int ibmveth_close(struct net_device *netdev) return 0; } -static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +static int netdev_get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *cmd) { - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + u32 supported, advertising; + + supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | + advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_FIBRE); - ethtool_cmd_speed_set(cmd, SPEED_1000); - cmd->duplex = DUPLEX_FULL; - cmd->port = PORT_FIBRE; - cmd->phy_address = 0; - cmd->transceiver = XCVR_INTERNAL; - cmd->autoneg = AUTONEG_ENABLE; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 1; + cmd->base.speed = SPEED_1000; + cmd->base.duplex = DUPLEX_FULL; + cmd->base.port = PORT_FIBRE; + cmd->base.phy_address = 0; + cmd->base.autoneg = AUTONEG_ENABLE; + + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, + advertising); + return 0; } @@ -978,11 +984,11 @@ static void ibmveth_get_ethtool_stats(struct net_device *dev, static const struct ethtool_ops netdev_ethtool_ops = { .get_drvinfo = netdev_get_drvinfo, - .get_settings = netdev_get_settings, .get_link = ethtool_op_get_link, .get_strings = ibmveth_get_strings, .get_sset_count = ibmveth_get_sset_count, .get_ethtool_stats = ibmveth_get_ethtool_stats, + .get_link_ksettings = netdev_get_link_ksettings, }; static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -1320,7 +1326,7 @@ restart_poll: ibmveth_replenish_task(adapter); if (frames_processed < budget) { - napi_complete(napi); + napi_complete_done(napi, frames_processed); /* We think we are done - reenable interrupts, * then check once more to make sure we are done. diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index c12596676bbb..9198e6bd5160 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -189,9 +189,10 @@ static int alloc_long_term_buff(struct ibmvnic_adapter *adapter, } ltb->map_id = adapter->map_id; adapter->map_id++; + + init_completion(&adapter->fw_done); send_request_map(adapter, ltb->addr, ltb->size, ltb->map_id); - init_completion(&adapter->fw_done); wait_for_completion(&adapter->fw_done); return 0; } @@ -505,7 +506,7 @@ rx_pool_alloc_failed: adapter->rx_pool = NULL; rx_pool_arr_alloc_failed: for (i = 0; i < adapter->req_rx_queues; i++) - napi_enable(&adapter->napi[i]); + napi_disable(&adapter->napi[i]); alloc_napi_failed: return -ENOMEM; } @@ -987,7 +988,7 @@ restart_poll: if (frames_processed < budget) { enable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]); - napi_complete(napi); + napi_complete_done(napi, frames_processed); if (pending_scrq(adapter, adapter->rx_scrq[scrq_num]) && napi_reschedule(napi)) { disable_scrq_irq(adapter, adapter->rx_scrq[scrq_num]); @@ -1025,21 +1026,26 @@ static const struct net_device_ops ibmvnic_netdev_ops = { /* ethtool functions */ -static int ibmvnic_get_settings(struct net_device *netdev, - struct ethtool_cmd *cmd) +static int ibmvnic_get_link_ksettings(struct net_device *netdev, + struct ethtool_link_ksettings *cmd) { - cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + u32 supported, advertising; + + supported = (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE); - cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | + advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_FIBRE); - ethtool_cmd_speed_set(cmd, SPEED_1000); - cmd->duplex = DUPLEX_FULL; - cmd->port = PORT_FIBRE; - cmd->phy_address = 0; - cmd->transceiver = XCVR_INTERNAL; - cmd->autoneg = AUTONEG_ENABLE; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 1; + cmd->base.speed = SPEED_1000; + cmd->base.duplex = DUPLEX_FULL; + cmd->base.port = PORT_FIBRE; + cmd->base.phy_address = 0; + cmd->base.autoneg = AUTONEG_ENABLE; + + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, + supported); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, + advertising); + return 0; } @@ -1121,10 +1127,10 @@ static void ibmvnic_get_ethtool_stats(struct net_device *dev, crq.request_statistics.ioba = cpu_to_be32(adapter->stats_token); crq.request_statistics.len = cpu_to_be32(sizeof(struct ibmvnic_statistics)); - ibmvnic_send_crq(adapter, &crq); /* Wait for data to be written */ init_completion(&adapter->stats_done); + ibmvnic_send_crq(adapter, &crq); wait_for_completion(&adapter->stats_done); for (i = 0; i < ARRAY_SIZE(ibmvnic_stats); i++) @@ -1132,7 +1138,6 @@ static void ibmvnic_get_ethtool_stats(struct net_device *dev, } static const struct ethtool_ops ibmvnic_ethtool_ops = { - .get_settings = ibmvnic_get_settings, .get_drvinfo = ibmvnic_get_drvinfo, .get_msglevel = ibmvnic_get_msglevel, .set_msglevel = ibmvnic_set_msglevel, @@ -1141,6 +1146,7 @@ static const struct ethtool_ops ibmvnic_ethtool_ops = { .get_strings = ibmvnic_get_strings, .get_sset_count = ibmvnic_get_sset_count, .get_ethtool_stats = ibmvnic_get_ethtool_stats, + .get_link_ksettings = ibmvnic_get_link_ksettings, }; /* Routines for managing CRQs/sCRQs */ @@ -1254,8 +1260,6 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter) } adapter->rx_scrq = NULL; } - - adapter->requested_caps = 0; } static void release_sub_crqs_no_irqs(struct ibmvnic_adapter *adapter) @@ -1277,8 +1281,6 @@ static void release_sub_crqs_no_irqs(struct ibmvnic_adapter *adapter) adapter->rx_scrq[i]); adapter->rx_scrq = NULL; } - - adapter->requested_caps = 0; } static int disable_scrq_irq(struct ibmvnic_adapter *adapter, @@ -1496,7 +1498,7 @@ static void init_sub_crqs(struct ibmvnic_adapter *adapter, int retry) adapter->req_rx_queues = adapter->opt_rx_comp_queues; adapter->req_rx_add_queues = adapter->max_rx_add_queues; - adapter->req_mtu = adapter->max_mtu; + adapter->req_mtu = adapter->netdev->mtu + ETH_HLEN; } total_queues = adapter->req_tx_queues + adapter->req_rx_queues; @@ -1566,30 +1568,36 @@ static void init_sub_crqs(struct ibmvnic_adapter *adapter, int retry) crq.request_capability.capability = cpu_to_be16(REQ_TX_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_tx_queues); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_rx_queues); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_ADD_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_rx_add_queues); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_TX_ENTRIES_PER_SUBCRQ); crq.request_capability.number = cpu_to_be64(adapter->req_tx_entries_per_subcrq); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_ADD_ENTRIES_PER_SUBCRQ); crq.request_capability.number = cpu_to_be64(adapter->req_rx_add_entries_per_subcrq); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_MTU); crq.request_capability.number = cpu_to_be64(adapter->req_mtu); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); if (adapter->netdev->flags & IFF_PROMISC) { @@ -1597,12 +1605,14 @@ static void init_sub_crqs(struct ibmvnic_adapter *adapter, int retry) crq.request_capability.capability = cpu_to_be16(PROMISC_REQUESTED); crq.request_capability.number = cpu_to_be64(1); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); } } else { crq.request_capability.capability = cpu_to_be16(PROMISC_REQUESTED); crq.request_capability.number = cpu_to_be64(0); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); } @@ -1954,112 +1964,112 @@ static void send_cap_queries(struct ibmvnic_adapter *adapter) { union ibmvnic_crq crq; - atomic_set(&adapter->running_cap_queries, 0); + atomic_set(&adapter->running_cap_crqs, 0); memset(&crq, 0, sizeof(crq)); crq.query_capability.first = IBMVNIC_CRQ_CMD; crq.query_capability.cmd = QUERY_CAPABILITY; crq.query_capability.capability = cpu_to_be16(MIN_TX_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MIN_RX_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MIN_RX_ADD_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_TX_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_RX_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_RX_ADD_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MIN_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MIN_RX_ADD_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_RX_ADD_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(TCP_IP_OFFLOAD); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(PROMISC_SUPPORTED); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MIN_MTU); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_MTU); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_MULTICAST_FILTERS); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(VLAN_HEADER_INSERTION); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(MAX_TX_SG_ENTRIES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(RX_SG_SUPPORTED); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(OPT_TX_COMP_SUB_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(OPT_RX_COMP_QUEUES); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(OPT_RX_BUFADD_Q_PER_RX_COMP_Q); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(OPT_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(OPT_RXBA_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); crq.query_capability.capability = cpu_to_be16(TX_RX_DESC_REQ); - atomic_inc(&adapter->running_cap_queries); + atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); } @@ -2185,12 +2195,12 @@ static void handle_error_info_rsp(union ibmvnic_crq *crq, if (!found) { dev_err(dev, "Couldn't find error id %x\n", - crq->request_error_rsp.error_id); + be32_to_cpu(crq->request_error_rsp.error_id)); return; } dev_err(dev, "Detailed info for error id %x:", - crq->request_error_rsp.error_id); + be32_to_cpu(crq->request_error_rsp.error_id)); for (i = 0; i < error_buff->len; i++) { pr_cont("%02x", (int)error_buff->buff[i]); @@ -2269,8 +2279,8 @@ static void handle_error_indication(union ibmvnic_crq *crq, dev_err(dev, "Firmware reports %serror id %x, cause %d\n", crq->error_indication. flags & IBMVNIC_FATAL_ERROR ? "FATAL " : "", - crq->error_indication.error_id, - crq->error_indication.error_cause); + be32_to_cpu(crq->error_indication.error_id), + be16_to_cpu(crq->error_indication.error_cause)); error_buff = kmalloc(sizeof(*error_buff), GFP_ATOMIC); if (!error_buff) @@ -2347,6 +2357,7 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, u64 *req_value; char *name; + atomic_dec(&adapter->running_cap_crqs); switch (be16_to_cpu(crq->request_capability_rsp.capability)) { case REQ_TX_QUEUES: req_value = &adapter->req_tx_queues; @@ -2388,10 +2399,10 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, case PARTIALSUCCESS: dev_info(dev, "req=%lld, rsp=%ld in %s queue, retrying.\n", *req_value, - (long int)be32_to_cpu(crq->request_capability_rsp. + (long int)be64_to_cpu(crq->request_capability_rsp. number), name); release_sub_crqs_no_irqs(adapter); - *req_value = be32_to_cpu(crq->request_capability_rsp.number); + *req_value = be64_to_cpu(crq->request_capability_rsp.number); init_sub_crqs(adapter, 1); return; default: @@ -2401,12 +2412,13 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, } /* Done receiving requested capabilities, query IP offload support */ - if (++adapter->requested_caps == 7) { + if (atomic_read(&adapter->running_cap_crqs) == 0) { union ibmvnic_crq newcrq; int buf_sz = sizeof(struct ibmvnic_query_ip_offload_buffer); struct ibmvnic_query_ip_offload_buffer *ip_offload_buf = &adapter->ip_offload_buf; + adapter->wait_capability = false; adapter->ip_offload_tok = dma_map_single(dev, ip_offload_buf, buf_sz, DMA_FROM_DEVICE); @@ -2542,9 +2554,9 @@ static void handle_query_cap_rsp(union ibmvnic_crq *crq, struct device *dev = &adapter->vdev->dev; long rc; - atomic_dec(&adapter->running_cap_queries); + atomic_dec(&adapter->running_cap_crqs); netdev_dbg(netdev, "Outstanding queries: %d\n", - atomic_read(&adapter->running_cap_queries)); + atomic_read(&adapter->running_cap_crqs)); rc = crq->query_capability.rc.code; if (rc) { dev_err(dev, "Error %ld in QUERY_CAP_RSP\n", rc); @@ -2626,12 +2638,12 @@ static void handle_query_cap_rsp(union ibmvnic_crq *crq, break; case MIN_MTU: adapter->min_mtu = be64_to_cpu(crq->query_capability.number); - netdev->min_mtu = adapter->min_mtu; + netdev->min_mtu = adapter->min_mtu - ETH_HLEN; netdev_dbg(netdev, "min_mtu = %lld\n", adapter->min_mtu); break; case MAX_MTU: adapter->max_mtu = be64_to_cpu(crq->query_capability.number); - netdev->max_mtu = adapter->max_mtu; + netdev->max_mtu = adapter->max_mtu - ETH_HLEN; netdev_dbg(netdev, "max_mtu = %lld\n", adapter->max_mtu); break; case MAX_MULTICAST_FILTERS: @@ -2702,9 +2714,11 @@ static void handle_query_cap_rsp(union ibmvnic_crq *crq, } out: - if (atomic_read(&adapter->running_cap_queries) == 0) + if (atomic_read(&adapter->running_cap_crqs) == 0) { + adapter->wait_capability = false; init_sub_crqs(adapter, 0); /* We're done querying the capabilities, initialize sub-crqs */ + } } static void handle_control_ras_rsp(union ibmvnic_crq *crq, @@ -2799,9 +2813,9 @@ static ssize_t trace_read(struct file *file, char __user *user_buf, size_t len, crq.collect_fw_trace.correlator = adapter->ras_comps[num].correlator; crq.collect_fw_trace.ioba = cpu_to_be32(trace_tok); crq.collect_fw_trace.len = adapter->ras_comps[num].trace_buff_size; - ibmvnic_send_crq(adapter, &crq); init_completion(&adapter->fw_done); + ibmvnic_send_crq(adapter, &crq); wait_for_completion(&adapter->fw_done); if (*ppos + len > be32_to_cpu(adapter->ras_comps[num].trace_buff_size)) @@ -3414,6 +3428,18 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, static irqreturn_t ibmvnic_interrupt(int irq, void *instance) { struct ibmvnic_adapter *adapter = instance; + unsigned long flags; + + spin_lock_irqsave(&adapter->crq.lock, flags); + vio_disable_interrupts(adapter->vdev); + tasklet_schedule(&adapter->tasklet); + spin_unlock_irqrestore(&adapter->crq.lock, flags); + return IRQ_HANDLED; +} + +static void ibmvnic_tasklet(void *data) +{ + struct ibmvnic_adapter *adapter = data; struct ibmvnic_crq_queue *queue = &adapter->crq; struct vio_dev *vdev = adapter->vdev; union ibmvnic_crq *crq; @@ -3435,11 +3461,19 @@ static irqreturn_t ibmvnic_interrupt(int irq, void *instance) ibmvnic_handle_crq(crq, adapter); crq->generic.first = 0; } else { - done = true; + /* remain in tasklet until all + * capabilities responses are received + */ + if (!adapter->wait_capability) + done = true; } } + /* if capabilities CRQ's were sent in this tasklet, the following + * tasklet must wait until all responses are received + */ + if (atomic_read(&adapter->running_cap_crqs) != 0) + adapter->wait_capability = true; spin_unlock_irqrestore(&queue->lock, flags); - return IRQ_HANDLED; } static int ibmvnic_reenable_crq_queue(struct ibmvnic_adapter *adapter) @@ -3494,6 +3528,7 @@ static void ibmvnic_release_crq_queue(struct ibmvnic_adapter *adapter) netdev_dbg(adapter->netdev, "Releasing CRQ\n"); free_irq(vdev->irq, adapter); + tasklet_kill(&adapter->tasklet); do { rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); } while (rc == H_BUSY || H_IS_LONG_BUSY(rc)); @@ -3539,6 +3574,9 @@ static int ibmvnic_init_crq_queue(struct ibmvnic_adapter *adapter) retrc = 0; + tasklet_init(&adapter->tasklet, (void *)ibmvnic_tasklet, + (unsigned long)adapter); + netdev_dbg(adapter->netdev, "registering irq 0x%x\n", vdev->irq); rc = request_irq(vdev->irq, ibmvnic_interrupt, 0, IBMVNIC_NAME, adapter); @@ -3560,6 +3598,7 @@ static int ibmvnic_init_crq_queue(struct ibmvnic_adapter *adapter) return retrc; req_irq_failed: + tasklet_kill(&adapter->tasklet); do { rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); } while (rc == H_BUSY || H_IS_LONG_BUSY(rc)); @@ -3581,9 +3620,9 @@ static int ibmvnic_dump_show(struct seq_file *seq, void *v) memset(&crq, 0, sizeof(crq)); crq.request_dump_size.first = IBMVNIC_CRQ_CMD; crq.request_dump_size.cmd = REQUEST_DUMP_SIZE; - ibmvnic_send_crq(adapter, &crq); init_completion(&adapter->fw_done); + ibmvnic_send_crq(adapter, &crq); wait_for_completion(&adapter->fw_done); seq_write(seq, adapter->dump_data, adapter->dump_data_size); @@ -3629,8 +3668,8 @@ static void handle_crq_init_rsp(struct work_struct *work) } } - send_version_xchg(adapter); reinit_completion(&adapter->init_done); + send_version_xchg(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { dev_err(dev, "Passive init timeout\n"); goto task_failed; @@ -3640,9 +3679,9 @@ static void handle_crq_init_rsp(struct work_struct *work) if (adapter->renegotiate) { adapter->renegotiate = false; release_sub_crqs_no_irqs(adapter); - send_cap_queries(adapter); reinit_completion(&adapter->init_done); + send_cap_queries(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { dev_err(dev, "Passive init timeout\n"); @@ -3656,9 +3695,7 @@ static void handle_crq_init_rsp(struct work_struct *work) goto task_failed; netdev->real_num_tx_queues = adapter->req_tx_queues; - netdev->mtu = adapter->req_mtu; - netdev->min_mtu = adapter->min_mtu; - netdev->max_mtu = adapter->max_mtu; + netdev->mtu = adapter->req_mtu - ETH_HLEN; if (adapter->failover) { adapter->failover = false; @@ -3772,9 +3809,9 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) adapter->debugfs_dump = ent; } } - ibmvnic_send_crq_init(adapter); init_completion(&adapter->init_done); + ibmvnic_send_crq_init(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) return 0; @@ -3782,9 +3819,9 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) if (adapter->renegotiate) { adapter->renegotiate = false; release_sub_crqs_no_irqs(adapter); - send_cap_queries(adapter); reinit_completion(&adapter->init_done); + send_cap_queries(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) return 0; @@ -3798,7 +3835,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) } netdev->real_num_tx_queues = adapter->req_tx_queues; - netdev->mtu = adapter->req_mtu; + netdev->mtu = adapter->req_mtu - ETH_HLEN; rc = register_netdev(netdev); if (rc) { diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index dd775d951b73..422824f1f42a 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -976,11 +976,11 @@ struct ibmvnic_adapter { dma_addr_t login_rsp_buf_token; int login_rsp_buf_sz; - atomic_t running_cap_queries; + atomic_t running_cap_crqs; + bool wait_capability; struct ibmvnic_sub_crq_queue **tx_scrq; struct ibmvnic_sub_crq_queue **rx_scrq; - int requested_caps; bool renegotiate; /* rx structs */ @@ -1049,5 +1049,6 @@ struct ibmvnic_adapter { struct work_struct vnic_crq_init; struct work_struct ibmvnic_xport; + struct tasklet_struct tasklet; bool failover; }; |