diff options
Diffstat (limited to 'drivers/net')
46 files changed, 967 insertions, 370 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 712320532105..9071139d2871 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1038,6 +1038,7 @@ static void bond_compute_features(struct bonding *bond) if (!bond_has_slaves(bond)) goto done; + vlan_features &= NETIF_F_ALL_FOR_ALL; bond_for_each_slave(bond, slave, iter) { vlan_features = netdev_increment_features(vlan_features, diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index d40c5b969e9e..dc708a888f80 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1327,8 +1327,8 @@ static int bcm_sysport_open(struct net_device *dev) /* Read CRC forward */ priv->crc_fwd = !!(umac_readl(priv, UMAC_CMD) & CMD_CRC_FWD); - priv->phydev = of_phy_connect_fixed_link(dev, bcm_sysport_adj_link, - priv->phy_interface); + priv->phydev = of_phy_connect(dev, priv->phy_dn, bcm_sysport_adj_link, + 0, priv->phy_interface); if (!priv->phydev) { netdev_err(dev, "could not attach to PHY\n"); return -ENODEV; @@ -1551,6 +1551,19 @@ static int bcm_sysport_probe(struct platform_device *pdev) if (priv->phy_interface < 0) priv->phy_interface = PHY_INTERFACE_MODE_GMII; + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ + if (of_phy_is_fixed_link(dn)) { + ret = of_phy_register_fixed_link(dn); + if (ret) { + dev_err(&pdev->dev, "failed to register fixed PHY\n"); + goto err; + } + + priv->phy_dn = dn; + } + /* Initialize netdevice members */ macaddr = of_get_mac_address(dn); if (!macaddr || !is_valid_ether_addr(macaddr)) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index abdeb62616df..73fd04a94797 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -656,6 +656,7 @@ struct bcm_sysport_priv { unsigned int rx_c_index; /* PHY device */ + struct device_node *phy_dn; struct phy_device *phydev; phy_interface_t phy_interface; int old_pause; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 4608673beaff..add8d8596084 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -298,6 +298,7 @@ int bcmgenet_mii_config(struct net_device *dev) static int bcmgenet_mii_probe(struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); + struct device_node *dn = priv->pdev->dev.of_node; struct phy_device *phydev; unsigned int phy_flags; int ret; @@ -307,15 +308,19 @@ static int bcmgenet_mii_probe(struct net_device *dev) return 0; } - if (priv->phy_dn) - phydev = of_phy_connect(dev, priv->phy_dn, - bcmgenet_mii_setup, 0, - priv->phy_interface); - else - phydev = of_phy_connect_fixed_link(dev, - bcmgenet_mii_setup, - priv->phy_interface); + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ + if (of_phy_is_fixed_link(dn)) { + ret = of_phy_register_fixed_link(dn); + if (ret) + return ret; + + priv->phy_dn = dn; + } + phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup, 0, + priv->phy_interface); if (!phydev) { pr_err("could not attach to PHY\n"); return -ENODEV; diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index e35c8e0202ad..f23ef321606c 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -43,6 +43,8 @@ #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) +#define ENIC_AIC_LARGE_PKT_DIFF 3 + struct enic_msix_entry { int requested; char devname[IFNAMSIZ]; @@ -50,6 +52,33 @@ struct enic_msix_entry { void *devid; }; +/* Store only the lower range. Higher range is given by fw. */ +struct enic_intr_mod_range { + u32 small_pkt_range_start; + u32 large_pkt_range_start; +}; + +struct enic_intr_mod_table { + u32 rx_rate; + u32 range_percent; +}; + +#define ENIC_MAX_LINK_SPEEDS 3 +#define ENIC_LINK_SPEED_10G 10000 +#define ENIC_LINK_SPEED_4G 4000 +#define ENIC_LINK_40G_INDEX 2 +#define ENIC_LINK_10G_INDEX 1 +#define ENIC_LINK_4G_INDEX 0 +#define ENIC_RX_COALESCE_RANGE_END 125 +#define ENIC_AIC_TS_BREAK 100 + +struct enic_rx_coal { + u32 small_pkt_range_start; + u32 large_pkt_range_start; + u32 range_end; + u32 use_adaptive_rx_coalesce; +}; + /* priv_flags */ #define ENIC_SRIOV_ENABLED (1 << 0) @@ -92,6 +121,7 @@ struct enic { unsigned int mc_count; unsigned int uc_count; u32 port_mtu; + struct enic_rx_coal rx_coalesce_setting; u32 rx_coalesce_usecs; u32 tx_coalesce_usecs; #ifdef CONFIG_PCI_IOV diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c index 58a8c67638e3..1882db230e13 100644 --- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c +++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c @@ -79,6 +79,17 @@ static const struct enic_stat enic_rx_stats[] = { static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); +void enic_intr_coal_set_rx(struct enic *enic, u32 timer) +{ + int i; + int intr; + + for (i = 0; i < enic->rq_count; i++) { + intr = enic_msix_rq_intr(enic, i); + vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); + } +} + static int enic_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) { @@ -178,9 +189,14 @@ static int enic_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) { struct enic *enic = netdev_priv(netdev); + struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs; ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs; + if (rxcoal->use_adaptive_rx_coalesce) + ecmd->use_adaptive_rx_coalesce = 1; + ecmd->rx_coalesce_usecs_low = rxcoal->small_pkt_range_start; + ecmd->rx_coalesce_usecs_high = rxcoal->range_end; return 0; } @@ -191,17 +207,31 @@ static int enic_set_coalesce(struct net_device *netdev, struct enic *enic = netdev_priv(netdev); u32 tx_coalesce_usecs; u32 rx_coalesce_usecs; + u32 rx_coalesce_usecs_low; + u32 rx_coalesce_usecs_high; + u32 coalesce_usecs_max; unsigned int i, intr; + struct enic_rx_coal *rxcoal = &enic->rx_coalesce_setting; + coalesce_usecs_max = vnic_dev_get_intr_coal_timer_max(enic->vdev); tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs, - vnic_dev_get_intr_coal_timer_max(enic->vdev)); + coalesce_usecs_max); rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs, - vnic_dev_get_intr_coal_timer_max(enic->vdev)); + coalesce_usecs_max); + + rx_coalesce_usecs_low = min_t(u32, ecmd->rx_coalesce_usecs_low, + coalesce_usecs_max); + rx_coalesce_usecs_high = min_t(u32, ecmd->rx_coalesce_usecs_high, + coalesce_usecs_max); switch (vnic_dev_get_intr_mode(enic->vdev)) { case VNIC_DEV_INTR_MODE_INTX: if (tx_coalesce_usecs != rx_coalesce_usecs) return -EINVAL; + if (ecmd->use_adaptive_rx_coalesce || + ecmd->rx_coalesce_usecs_low || + ecmd->rx_coalesce_usecs_high) + return -EOPNOTSUPP; intr = enic_legacy_io_intr(); vnic_intr_coalescing_timer_set(&enic->intr[intr], @@ -210,6 +240,10 @@ static int enic_set_coalesce(struct net_device *netdev, case VNIC_DEV_INTR_MODE_MSI: if (tx_coalesce_usecs != rx_coalesce_usecs) return -EINVAL; + if (ecmd->use_adaptive_rx_coalesce || + ecmd->rx_coalesce_usecs_low || + ecmd->rx_coalesce_usecs_high) + return -EOPNOTSUPP; vnic_intr_coalescing_timer_set(&enic->intr[0], tx_coalesce_usecs); @@ -221,12 +255,27 @@ static int enic_set_coalesce(struct net_device *netdev, tx_coalesce_usecs); } - for (i = 0; i < enic->rq_count; i++) { - intr = enic_msix_rq_intr(enic, i); - vnic_intr_coalescing_timer_set(&enic->intr[intr], - rx_coalesce_usecs); + if (rxcoal->use_adaptive_rx_coalesce) { + if (!ecmd->use_adaptive_rx_coalesce) { + rxcoal->use_adaptive_rx_coalesce = 0; + enic_intr_coal_set_rx(enic, rx_coalesce_usecs); + } + } else { + if (ecmd->use_adaptive_rx_coalesce) + rxcoal->use_adaptive_rx_coalesce = 1; + else + enic_intr_coal_set_rx(enic, rx_coalesce_usecs); } + if (ecmd->rx_coalesce_usecs_high) { + if (rx_coalesce_usecs_high < + (rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF)) + return -EINVAL; + rxcoal->range_end = rx_coalesce_usecs_high; + rxcoal->small_pkt_range_start = rx_coalesce_usecs_low; + rxcoal->large_pkt_range_start = rx_coalesce_usecs_low + + ENIC_AIC_LARGE_PKT_DIFF; + } break; default: break; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 2945718ce806..0d8995cc92ed 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -38,6 +38,7 @@ #include <linux/rtnetlink.h> #include <linux/prefetch.h> #include <net/ip6_checksum.h> +#include <linux/ktime.h> #include "cq_enet_desc.h" #include "vnic_dev.h" @@ -72,6 +73,35 @@ MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); MODULE_DEVICE_TABLE(pci, enic_id_table); +#define ENIC_LARGE_PKT_THRESHOLD 1000 +#define ENIC_MAX_COALESCE_TIMERS 10 +/* Interrupt moderation table, which will be used to decide the + * coalescing timer values + * {rx_rate in Mbps, mapping percentage of the range} + */ +struct enic_intr_mod_table mod_table[ENIC_MAX_COALESCE_TIMERS + 1] = { + {4000, 0}, + {4400, 10}, + {5060, 20}, + {5230, 30}, + {5540, 40}, + {5820, 50}, + {6120, 60}, + {6435, 70}, + {6745, 80}, + {7000, 90}, + {0xFFFFFFFF, 100} +}; + +/* This table helps the driver to pick different ranges for rx coalescing + * timer depending on the link speed. + */ +struct enic_intr_mod_range mod_range[ENIC_MAX_LINK_SPEEDS] = { + {0, 0}, /* 0 - 4 Gbps */ + {0, 3}, /* 4 - 10 Gbps */ + {3, 6}, /* 10 - 40 Gbps */ +}; + int enic_is_dynamic(struct enic *enic) { return enic->pdev->device == PCI_DEVICE_ID_CISCO_VIC_ENET_DYN; @@ -979,6 +1009,15 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq) return 0; } +static void enic_intr_update_pkt_size(struct vnic_rx_bytes_counter *pkt_size, + u32 pkt_len) +{ + if (ENIC_LARGE_PKT_THRESHOLD <= pkt_len) + pkt_size->large_pkt_bytes_cnt += pkt_len; + else + pkt_size->small_pkt_bytes_cnt += pkt_len; +} + static void enic_rq_indicate_buf(struct vnic_rq *rq, struct cq_desc *cq_desc, struct vnic_rq_buf *buf, int skipped, void *opaque) @@ -986,6 +1025,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, struct enic *enic = vnic_dev_priv(rq->vdev); struct net_device *netdev = enic->netdev; struct sk_buff *skb; + struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; u8 type, color, eop, sop, ingress_port, vlan_stripped; u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof; @@ -1056,6 +1096,9 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, napi_gro_receive(&enic->napi[q_number], skb); else netif_receive_skb(skb); + if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) + enic_intr_update_pkt_size(&cq->pkt_size_counter, + bytes_written); } else { /* Buffer overflow @@ -1134,6 +1177,64 @@ static int enic_poll(struct napi_struct *napi, int budget) return rq_work_done; } +static void enic_set_int_moderation(struct enic *enic, struct vnic_rq *rq) +{ + unsigned int intr = enic_msix_rq_intr(enic, rq->index); + struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; + u32 timer = cq->tobe_rx_coal_timeval; + + if (cq->tobe_rx_coal_timeval != cq->cur_rx_coal_timeval) { + vnic_intr_coalescing_timer_set(&enic->intr[intr], timer); + cq->cur_rx_coal_timeval = cq->tobe_rx_coal_timeval; + } +} + +static void enic_calc_int_moderation(struct enic *enic, struct vnic_rq *rq) +{ + struct enic_rx_coal *rx_coal = &enic->rx_coalesce_setting; + struct vnic_cq *cq = &enic->cq[enic_cq_rq(enic, rq->index)]; + struct vnic_rx_bytes_counter *pkt_size_counter = &cq->pkt_size_counter; + int index; + u32 timer; + u32 range_start; + u32 traffic; + u64 delta; + ktime_t now = ktime_get(); + + delta = ktime_us_delta(now, cq->prev_ts); + if (delta < ENIC_AIC_TS_BREAK) + return; + cq->prev_ts = now; + + traffic = pkt_size_counter->large_pkt_bytes_cnt + + pkt_size_counter->small_pkt_bytes_cnt; + /* The table takes Mbps + * traffic *= 8 => bits + * traffic *= (10^6 / delta) => bps + * traffic /= 10^6 => Mbps + * + * Combining, traffic *= (8 / delta) + */ + + traffic <<= 3; + traffic /= delta; + + for (index = 0; index < ENIC_MAX_COALESCE_TIMERS; index++) + if (traffic < mod_table[index].rx_rate) + break; + range_start = (pkt_size_counter->small_pkt_bytes_cnt > + pkt_size_counter->large_pkt_bytes_cnt << 1) ? + rx_coal->small_pkt_range_start : + rx_coal->large_pkt_range_start; + timer = range_start + ((rx_coal->range_end - range_start) * + mod_table[index].range_percent / 100); + /* Damping */ + cq->tobe_rx_coal_timeval = (timer + cq->tobe_rx_coal_timeval) >> 1; + + pkt_size_counter->large_pkt_bytes_cnt = 0; + pkt_size_counter->small_pkt_bytes_cnt = 0; +} + static int enic_poll_msix(struct napi_struct *napi, int budget) { struct net_device *netdev = napi->dev; @@ -1171,6 +1272,13 @@ static int enic_poll_msix(struct napi_struct *napi, int budget) if (err) work_done = work_to_do; + if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) + /* Call the function which refreshes + * the intr coalescing timer value based on + * the traffic. This is supported only in + * the case of MSI-x mode + */ + enic_calc_int_moderation(enic, &enic->rq[rq]); if (work_done < work_to_do) { @@ -1179,6 +1287,8 @@ static int enic_poll_msix(struct napi_struct *napi, int budget) */ napi_complete(napi); + if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) + enic_set_int_moderation(enic, &enic->rq[rq]); vnic_intr_unmask(&enic->intr[intr]); } @@ -1314,6 +1424,42 @@ static void enic_synchronize_irqs(struct enic *enic) } } +static void enic_set_rx_coal_setting(struct enic *enic) +{ + unsigned int speed; + int index = -1; + struct enic_rx_coal *rx_coal = &enic->rx_coalesce_setting; + + /* If intr mode is not MSIX, do not do adaptive coalescing */ + if (VNIC_DEV_INTR_MODE_MSIX != vnic_dev_get_intr_mode(enic->vdev)) { + netdev_info(enic->netdev, "INTR mode is not MSIX, Not initializing adaptive coalescing"); + return; + } + + /* 1. Read the link speed from fw + * 2. Pick the default range for the speed + * 3. Update it in enic->rx_coalesce_setting + */ + speed = vnic_dev_port_speed(enic->vdev); + if (ENIC_LINK_SPEED_10G < speed) + index = ENIC_LINK_40G_INDEX; + else if (ENIC_LINK_SPEED_4G < speed) + index = ENIC_LINK_10G_INDEX; + else + index = ENIC_LINK_4G_INDEX; + + rx_coal->small_pkt_range_start = mod_range[index].small_pkt_range_start; + rx_coal->large_pkt_range_start = mod_range[index].large_pkt_range_start; + rx_coal->range_end = ENIC_RX_COALESCE_RANGE_END; + + /* Start with the value provided by UCSM */ + for (index = 0; index < enic->rq_count; index++) + enic->cq[index].cur_rx_coal_timeval = + enic->config.intr_timer_usec; + + rx_coal->use_adaptive_rx_coalesce = 1; +} + static int enic_dev_notify_set(struct enic *enic) { int err; @@ -2231,6 +2377,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) enic->notify_timer.function = enic_notify_timer; enic->notify_timer.data = (unsigned long)enic; + enic_set_rx_coal_setting(enic); INIT_WORK(&enic->reset, enic_reset); INIT_WORK(&enic->change_mtu_work, enic_change_mtu_work); @@ -2250,6 +2397,9 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } enic->tx_coalesce_usecs = enic->config.intr_timer_usec; + /* rx coalesce time already got initialized. This gets used + * if adaptive coal is turned off + */ enic->rx_coalesce_usecs = enic->tx_coalesce_usecs; if (enic_is_dynamic(enic) || enic_is_sriov_vf(enic)) diff --git a/drivers/net/ethernet/cisco/enic/vnic_cq.h b/drivers/net/ethernet/cisco/enic/vnic_cq.h index 579315cbe803..4e6aa65857f7 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_cq.h +++ b/drivers/net/ethernet/cisco/enic/vnic_cq.h @@ -50,6 +50,11 @@ struct vnic_cq_ctrl { u32 pad10; }; +struct vnic_rx_bytes_counter { + unsigned int small_pkt_bytes_cnt; + unsigned int large_pkt_bytes_cnt; +}; + struct vnic_cq { unsigned int index; struct vnic_dev *vdev; @@ -58,6 +63,10 @@ struct vnic_cq { unsigned int to_clean; unsigned int last_color; unsigned int interrupt_offset; + struct vnic_rx_bytes_counter pkt_size_counter; + unsigned int cur_rx_coal_timeval; + unsigned int tobe_rx_coal_timeval; + ktime_t prev_ts; }; static inline unsigned int vnic_cq_service(struct vnic_cq *cq, diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 8d69e439f0c5..cb5c987bee39 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1255,6 +1255,49 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, return 0; } +static int fec_enet_clk_enable(struct net_device *ndev, bool enable) +{ + struct fec_enet_private *fep = netdev_priv(ndev); + int ret; + + if (enable) { + ret = clk_prepare_enable(fep->clk_ahb); + if (ret) + return ret; + ret = clk_prepare_enable(fep->clk_ipg); + if (ret) + goto failed_clk_ipg; + if (fep->clk_enet_out) { + ret = clk_prepare_enable(fep->clk_enet_out); + if (ret) + goto failed_clk_enet_out; + } + if (fep->clk_ptp) { + ret = clk_prepare_enable(fep->clk_ptp); + if (ret) + goto failed_clk_ptp; + } + } else { + clk_disable_unprepare(fep->clk_ahb); + clk_disable_unprepare(fep->clk_ipg); + if (fep->clk_enet_out) + clk_disable_unprepare(fep->clk_enet_out); + if (fep->clk_ptp) + clk_disable_unprepare(fep->clk_ptp); + } + + return 0; +failed_clk_ptp: + if (fep->clk_enet_out) + clk_disable_unprepare(fep->clk_enet_out); +failed_clk_enet_out: + clk_disable_unprepare(fep->clk_ipg); +failed_clk_ipg: + clk_disable_unprepare(fep->clk_ahb); + + return ret; +} + static int fec_enet_mii_probe(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); @@ -1364,7 +1407,7 @@ static int fec_enet_mii_init(struct platform_device *pdev) * Reference Manual has an error on this, and gets fixed on i.MX6Q * document. */ - fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ahb), 5000000); + fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), 5000000); if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) fep->phy_speed--; fep->phy_speed <<= 1; @@ -1773,6 +1816,10 @@ fec_enet_open(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int ret; + ret = fec_enet_clk_enable(ndev, true); + if (ret) + return ret; + /* I should reset the ring buffers here, but I don't yet know * a simple way to do that. */ @@ -1811,6 +1858,7 @@ fec_enet_close(struct net_device *ndev) phy_disconnect(fep->phy_dev); } + fec_enet_clk_enable(ndev, false); fec_enet_free_buffers(ndev); return 0; @@ -2164,26 +2212,10 @@ fec_probe(struct platform_device *pdev) fep->bufdesc_ex = 0; } - ret = clk_prepare_enable(fep->clk_ahb); + ret = fec_enet_clk_enable(ndev, true); if (ret) goto failed_clk; - ret = clk_prepare_enable(fep->clk_ipg); - if (ret) - goto failed_clk_ipg; - - if (fep->clk_enet_out) { - ret = clk_prepare_enable(fep->clk_enet_out); - if (ret) - goto failed_clk_enet_out; - } - - if (fep->clk_ptp) { - ret = clk_prepare_enable(fep->clk_ptp); - if (ret) - goto failed_clk_ptp; - } - fep->reg_phy = devm_regulator_get(&pdev->dev, "phy"); if (!IS_ERR(fep->reg_phy)) { ret = regulator_enable(fep->reg_phy); @@ -2225,6 +2257,7 @@ fec_probe(struct platform_device *pdev) /* Carrier starts down, phylib will bring it up */ netif_carrier_off(ndev); + fec_enet_clk_enable(ndev, false); ret = register_netdev(ndev); if (ret) @@ -2244,15 +2277,7 @@ failed_init: if (fep->reg_phy) regulator_disable(fep->reg_phy); failed_regulator: - if (fep->clk_ptp) - clk_disable_unprepare(fep->clk_ptp); -failed_clk_ptp: - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); -failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ipg); -failed_clk_ipg: - clk_disable_unprepare(fep->clk_ahb); + fec_enet_clk_enable(ndev, false); failed_clk: failed_ioremap: free_netdev(ndev); @@ -2272,14 +2297,9 @@ fec_drv_remove(struct platform_device *pdev) del_timer_sync(&fep->time_keep); if (fep->reg_phy) regulator_disable(fep->reg_phy); - if (fep->clk_ptp) - clk_disable_unprepare(fep->clk_ptp); if (fep->ptp_clock) ptp_clock_unregister(fep->ptp_clock); - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); - clk_disable_unprepare(fep->clk_ipg); - clk_disable_unprepare(fep->clk_ahb); + fec_enet_clk_enable(ndev, false); free_netdev(ndev); return 0; @@ -2296,12 +2316,7 @@ fec_suspend(struct device *dev) fec_stop(ndev); netif_device_detach(ndev); } - if (fep->clk_ptp) - clk_disable_unprepare(fep->clk_ptp); - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); - clk_disable_unprepare(fep->clk_ipg); - clk_disable_unprepare(fep->clk_ahb); + fec_enet_clk_enable(ndev, false); if (fep->reg_phy) regulator_disable(fep->reg_phy); @@ -2322,25 +2337,9 @@ fec_resume(struct device *dev) return ret; } - ret = clk_prepare_enable(fep->clk_ahb); - if (ret) - goto failed_clk_ahb; - - ret = clk_prepare_enable(fep->clk_ipg); + ret = fec_enet_clk_enable(ndev, true); if (ret) - goto failed_clk_ipg; - - if (fep->clk_enet_out) { - ret = clk_prepare_enable(fep->clk_enet_out); - if (ret) - goto failed_clk_enet_out; - } - - if (fep->clk_ptp) { - ret = clk_prepare_enable(fep->clk_ptp); - if (ret) - goto failed_clk_ptp; - } + goto failed_clk; if (netif_running(ndev)) { fec_restart(ndev, fep->full_duplex); @@ -2349,14 +2348,7 @@ fec_resume(struct device *dev) return 0; -failed_clk_ptp: - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); -failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ipg); -failed_clk_ipg: - clk_disable_unprepare(fep->clk_ahb); -failed_clk_ahb: +failed_clk: if (fep->reg_phy) regulator_disable(fep->reg_phy); return ret; diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index dc80db41d6b3..cfaf17b70f3f 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -792,10 +792,6 @@ static int fs_init_phy(struct net_device *dev) phydev = of_phy_connect(dev, fep->fpi->phy_node, &fs_adjust_link, 0, iface); if (!phydev) { - phydev = of_phy_connect_fixed_link(dev, &fs_adjust_link, - iface); - } - if (!phydev) { dev_err(&dev->dev, "Could not attach to PHY\n"); return -ENODEV; } @@ -1029,9 +1025,16 @@ static int fs_enet_probe(struct platform_device *ofdev) fpi->use_napi = 1; fpi->napi_weight = 17; fpi->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0); - if ((!fpi->phy_node) && (!of_get_property(ofdev->dev.of_node, "fixed-link", - NULL))) - goto out_free_fpi; + if (!fpi->phy_node && of_phy_is_fixed_link(ofdev->dev.of_node)) { + err = of_phy_register_fixed_link(ofdev->dev.of_node); + if (err) + goto out_free_fpi; + + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ + fpi->phy_node = ofdev->dev.of_node; + } if (of_device_is_compatible(ofdev->dev.of_node, "fsl,mpc5125-fec")) { phy_connection_type = of_get_property(ofdev->dev.of_node, diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index e2d42475b006..282674027c92 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -889,6 +889,17 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev) priv->phy_node = of_parse_phandle(np, "phy-handle", 0); + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ + if (of_phy_is_fixed_link(np)) { + err = of_phy_register_fixed_link(np); + if (err) + goto err_grp_init; + + priv->phy_node = np; + } + /* Find the TBI PHY. If it's not there, we don't support SGMII */ priv->tbi_node = of_parse_phandle(np, "tbi-handle", 0); @@ -1660,9 +1671,6 @@ static int init_phy(struct net_device *dev) priv->phydev = of_phy_connect(dev, priv->phy_node, &adjust_link, 0, interface); - if (!priv->phydev) - priv->phydev = of_phy_connect_fixed_link(dev, &adjust_link, - interface); if (!priv->phydev) { dev_err(&dev->dev, "could not attach to PHY\n"); return -ENODEV; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index c8299c31b21f..fab39e295441 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1728,9 +1728,6 @@ static int init_phy(struct net_device *dev) phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0, priv->phy_interface); - if (!phydev) - phydev = of_phy_connect_fixed_link(dev, &adjust_link, - priv->phy_interface); if (!phydev) { dev_err(&dev->dev, "Could not attach to PHY\n"); return -ENODEV; @@ -3790,6 +3787,17 @@ static int ucc_geth_probe(struct platform_device* ofdev) ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); + if (!ug_info->phy_node) { + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ + if (of_phy_is_fixed_link(np)) { + err = of_phy_register_fixed_link(np); + if (err) + return err; + } + ug_info->phy_node = np; + } /* Find the TBI PHY node. If it's not there, we don't support SGMII */ ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0); diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index a46571c1e9f1..ef5bb11557e5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -97,10 +97,6 @@ #define STRINGIFY(foo) #foo #define XSTRINGIFY(bar) STRINGIFY(bar) -#ifndef ARCH_HAS_PREFETCH -#define prefetch(X) -#endif - #define I40E_RX_DESC(R, i) \ ((ring_is_16byte_desc_enabled(R)) \ ? (union i40e_32byte_rx_desc *) \ diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index f62929419a09..861e1db47a71 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -112,7 +112,6 @@ static struct i40e_stats i40e_gstrings_stats[] = { I40E_PF_STAT("rx_oversize", stats.rx_oversize), I40E_PF_STAT("rx_jabber", stats.rx_jabber), I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), - I40E_PF_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts), I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), /* LPI stats */ I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), @@ -122,8 +121,9 @@ static struct i40e_stats i40e_gstrings_stats[] = { }; #define I40E_QUEUE_STATS_LEN(n) \ - ((((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs + \ - ((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs) * 2) + (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ + * 2 /* Tx and Rx together */ \ + * (sizeof(struct i40e_queue_stats) / sizeof(u64))) #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ @@ -1009,14 +1009,13 @@ static int i40e_get_coalesce(struct net_device *netdev, ec->rx_max_coalesced_frames_irq = vsi->work_limit; if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) - ec->rx_coalesce_usecs = 1; - else - ec->rx_coalesce_usecs = vsi->rx_itr_setting; + ec->use_adaptive_rx_coalesce = 1; if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) - ec->tx_coalesce_usecs = 1; - else - ec->tx_coalesce_usecs = vsi->tx_itr_setting; + ec->use_adaptive_tx_coalesce = 1; + + ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; + ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; return 0; } @@ -1035,37 +1034,27 @@ static int i40e_set_coalesce(struct net_device *netdev, if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) vsi->work_limit = ec->tx_max_coalesced_frames_irq; - switch (ec->rx_coalesce_usecs) { - case 0: - vsi->rx_itr_setting = 0; - break; - case 1: - vsi->rx_itr_setting = (I40E_ITR_DYNAMIC | - ITR_REG_TO_USEC(I40E_ITR_RX_DEF)); - break; - default: - if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->rx_itr_setting = ec->rx_coalesce_usecs; - break; - } + else + return -EINVAL; - switch (ec->tx_coalesce_usecs) { - case 0: - vsi->tx_itr_setting = 0; - break; - case 1: - vsi->tx_itr_setting = (I40E_ITR_DYNAMIC | - ITR_REG_TO_USEC(I40E_ITR_TX_DEF)); - break; - default: - if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->tx_itr_setting = ec->tx_coalesce_usecs; - break; - } + else + return -EINVAL; + + if (ec->use_adaptive_rx_coalesce) + vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; + + if (ec->use_adaptive_tx_coalesce) + vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; vector = vsi->base_vector; for (i = 0; i < vsi->num_q_vectors; i++, vector++) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e399f9b70777..e0e5c6a867b1 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4333,7 +4333,7 @@ int i40e_vsi_open(struct i40e_vsi *vsi) dev_driver_string(&pf->pdev->dev)); err = i40e_vsi_request_irq(vsi, int_name); } else { - err = EINVAL; + err = -EINVAL; goto err_setup_rx; } @@ -6368,6 +6368,10 @@ static int i40e_sw_init(struct i40e_pf *pf) I40E_FLAG_MSIX_ENABLED | I40E_FLAG_RX_1BUF_ENABLED; + /* Set default ITR */ + pf->rx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_RX_DEF; + pf->tx_itr_default = I40E_ITR_DYNAMIC | I40E_ITR_TX_DEF; + /* Depending on PF configurations, it is possible that the RSS * maximum might end up larger than the available queues */ @@ -8364,6 +8368,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } +#ifdef CONFIG_PCI_IOV /* prep for VF support */ if ((pf->flags & I40E_FLAG_SRIOV_ENABLED) && (pf->flags & I40E_FLAG_MSIX_ENABLED) && @@ -8386,6 +8391,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err); } } +#endif /* CONFIG_PCI_IOV */ pfs_found++; diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index 1fedc7a1589d..101f439acda6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -48,7 +48,6 @@ I40E_PRTTSYN_CTL1_TSYNTYPE_SHIFT) #define I40E_PRTTSYN_CTL1_TSYNTYPE_V2 (0x2 << \ I40E_PRTTSYN_CTL1_TSYNTYPE_SHIFT) -#define I40E_PTP_TX_TIMEOUT (HZ * 15) /** * i40e_ptp_read - Read the PHC time from the device diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index ece7ae99b03a..8d0ef445fa44 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -24,6 +24,7 @@ * ******************************************************************************/ +#include <linux/prefetch.h> #include "i40e.h" #include "i40e_prototype.h" diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 82e7abf64308..4d219566a04d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -842,6 +842,10 @@ void i40e_free_vfs(struct i40e_pf *pf) kfree(pf->vf); pf->vf = NULL; + /* This check is for when the driver is unloaded while VFs are + * assigned. Setting the number of VFs to 0 through sysfs is caught + * before this function ever gets called. + */ if (!i40e_vfs_are_assigned(pf)) { pci_disable_sriov(pf->pdev); /* Acknowledge VFLR for all VFS. Without this, VFs will fail to @@ -978,7 +982,12 @@ int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) if (num_vfs) return i40e_pci_sriov_enable(pdev, num_vfs); - i40e_free_vfs(pf); + if (!i40e_vfs_are_assigned(pf)) { + i40e_free_vfs(pf); + } else { + dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); + return -EINVAL; + } return 0; } diff --git a/drivers/net/ethernet/intel/i40evf/Makefile b/drivers/net/ethernet/intel/i40evf/Makefile index e09be37a07a8..3a423836a565 100644 --- a/drivers/net/ethernet/intel/i40evf/Makefile +++ b/drivers/net/ethernet/intel/i40evf/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel Ethernet Controller XL710 Family Linux Virtual Function Driver -# Copyright(c) 2013 Intel Corporation. +# Copyright(c) 2013 - 2014 Intel Corporation. # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# # The full GNU General Public License is included in this distribution in # the file called "COPYING". # diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c index c79df257f830..68b4aacd43f5 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h index 7d24be528601..e3472c62e155 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h index 6e617669c326..89d9209ff2bd 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * @@ -676,7 +679,6 @@ struct i40e_aqc_add_get_update_vsi { #define I40E_AQ_VSI_TYPE_PF 0x2 #define I40E_AQ_VSI_TYPE_EMP_MNG 0x3 #define I40E_AQ_VSI_FLAG_CASCADED_PV 0x4 -#define I40E_AQ_VSI_FLAG_CLOUD_VSI 0x8 __le32 addr_high; __le32 addr_low; }; @@ -1038,7 +1040,9 @@ struct i40e_aqc_set_vsi_promiscuous_modes { #define I40E_AQC_SET_VSI_PROMISC_VLAN 0x10 __le16 seid; #define I40E_AQC_VSI_PROM_CMD_SEID_MASK 0x3FF - u8 reserved[10]; + __le16 vlan_tag; +#define I40E_AQC_SET_VSI_VLAN_VALID 0x8000 + u8 reserved[8]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_set_vsi_promiscuous_modes); @@ -1931,19 +1935,12 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_lldp_start); /* Add Udp Tunnel command and completion (direct 0x0B00) */ struct i40e_aqc_add_udp_tunnel { __le16 udp_port; - u8 header_len; /* in DWords, 1 to 15 */ + u8 reserved0[3]; u8 protocol_type; -#define I40E_AQC_TUNNEL_TYPE_TEREDO 0x0 -#define I40E_AQC_TUNNEL_TYPE_VXLAN 0x2 -#define I40E_AQC_TUNNEL_TYPE_NGE 0x3 - u8 variable_udp_length; -#define I40E_AQC_TUNNEL_FIXED_UDP_LENGTH 0x0 -#define I40E_AQC_TUNNEL_VARIABLE_UDP_LENGTH 0x1 - u8 udp_key_index; -#define I40E_AQC_TUNNEL_KEY_INDEX_VXLAN 0x0 -#define I40E_AQC_TUNNEL_KEY_INDEX_NGE 0x1 -#define I40E_AQC_TUNNEL_KEY_INDEX_PROPRIETARY_UDP 0x2 - u8 reserved[10]; +#define I40E_AQC_TUNNEL_TYPE_VXLAN 0x00 +#define I40E_AQC_TUNNEL_TYPE_NGE 0x01 +#define I40E_AQC_TUNNEL_TYPE_TEREDO 0x10 + u8 reserved1[10]; }; I40E_CHECK_CMD_LENGTH(i40e_aqc_add_udp_tunnel); diff --git a/drivers/net/ethernet/intel/i40evf/i40e_alloc.h b/drivers/net/ethernet/intel/i40evf/i40e_alloc.h index d8654fb9e525..8e6a6dd9212b 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_alloc.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_alloc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c index ae084378faab..ac660963b8b7 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_common.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_hmc.h b/drivers/net/ethernet/intel/i40evf/i40e_hmc.h index cb97b3eed440..9d906514fc3d 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_hmc.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_hmc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_lan_hmc.h b/drivers/net/ethernet/intel/i40evf/i40e_lan_hmc.h index 775fcb2463d7..d6f762241537 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_lan_hmc.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_lan_hmc.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_osdep.h b/drivers/net/ethernet/intel/i40evf/i40e_osdep.h index 622f373b745d..21a91b14bf81 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_osdep.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_osdep.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h index 97ab8c2b76f8..849edcc2e398 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_register.h b/drivers/net/ethernet/intel/i40evf/i40e_register.h index 30af953cf106..aa4a92e3b125 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_register.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_register.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_status.h b/drivers/net/ethernet/intel/i40evf/i40e_status.h index 7c08cc2e339b..7fa7a41915c1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_status.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_status.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index b9f50f40abe1..82d6844245b5 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index 10bf49e18d7f..d0119d0a9fcf 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index 51a6dee3c7b1..fb5371ad1cb9 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * @@ -101,15 +104,6 @@ enum i40e_debug_mask { I40E_DEBUG_ALL = 0xFFFFFFFF }; -/* PCI Bus Info */ -#define I40E_PCI_LINK_WIDTH_1 0x10 -#define I40E_PCI_LINK_WIDTH_2 0x20 -#define I40E_PCI_LINK_WIDTH_4 0x40 -#define I40E_PCI_LINK_WIDTH_8 0x80 -#define I40E_PCI_LINK_SPEED_2500 0x1 -#define I40E_PCI_LINK_SPEED_5000 0x2 -#define I40E_PCI_LINK_SPEED_8000 0x3 - /* These are structs for managing the hardware information and the operations. * The structures of function pointers are filled out at init time when we * know for sure exactly which hardware we're working with. This gives us the diff --git a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h index ccf45d04b7ef..1ef5b31ece90 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013 - 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 807807d62387..2913bc3332a1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index 77e786d2d0e0..df4dcfd364d8 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * @@ -56,10 +59,12 @@ static const struct i40evf_stats i40evf_gstrings_stats[] = { }; #define I40EVF_GLOBAL_STATS_LEN ARRAY_SIZE(i40evf_gstrings_stats) -#define I40EVF_QUEUE_STATS_LEN \ +#define I40EVF_QUEUE_STATS_LEN(_dev) \ (((struct i40evf_adapter *) \ - netdev_priv(netdev))->vsi_res->num_queue_pairs * 4) -#define I40EVF_STATS_LEN (I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN) + netdev_priv(_dev))->vsi_res->num_queue_pairs \ + * 2 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) +#define I40EVF_STATS_LEN(_dev) \ + (I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN(_dev)) /** * i40evf_get_settings - Get Link Speed and Duplex settings @@ -75,7 +80,7 @@ static int i40evf_get_settings(struct net_device *netdev, /* In the future the VF will be able to query the PF for * some information - for now use a dummy value */ - ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->supported = 0; ecmd->autoneg = AUTONEG_DISABLE; ecmd->transceiver = XCVR_DUMMY1; ecmd->port = PORT_NONE; @@ -94,9 +99,9 @@ static int i40evf_get_settings(struct net_device *netdev, static int i40evf_get_sset_count(struct net_device *netdev, int sset) { if (sset == ETH_SS_STATS) - return I40EVF_STATS_LEN; + return I40EVF_STATS_LEN(netdev); else - return -ENOTSUPP; + return -EINVAL; } /** @@ -290,14 +295,13 @@ static int i40evf_get_coalesce(struct net_device *netdev, ec->rx_max_coalesced_frames = vsi->work_limit; if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) - ec->rx_coalesce_usecs = 1; - else - ec->rx_coalesce_usecs = vsi->rx_itr_setting; + ec->use_adaptive_rx_coalesce = 1; if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) - ec->tx_coalesce_usecs = 1; - else - ec->tx_coalesce_usecs = vsi->tx_itr_setting; + ec->use_adaptive_tx_coalesce = 1; + + ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; + ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; return 0; } @@ -318,40 +322,34 @@ static int i40evf_set_coalesce(struct net_device *netdev, struct i40e_q_vector *q_vector; int i; - if (ec->tx_max_coalesced_frames || ec->rx_max_coalesced_frames) - vsi->work_limit = ec->tx_max_coalesced_frames; + if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) + vsi->work_limit = ec->tx_max_coalesced_frames_irq; - switch (ec->rx_coalesce_usecs) { - case 0: - vsi->rx_itr_setting = 0; - break; - case 1: - vsi->rx_itr_setting = (I40E_ITR_DYNAMIC - | ITR_REG_TO_USEC(I40E_ITR_RX_DEF)); - break; - default: - if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->rx_itr_setting = ec->rx_coalesce_usecs; - break; - } - switch (ec->tx_coalesce_usecs) { - case 0: - vsi->tx_itr_setting = 0; - break; - case 1: - vsi->tx_itr_setting = (I40E_ITR_DYNAMIC - | ITR_REG_TO_USEC(I40E_ITR_TX_DEF)); - break; - default: - if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) - return -EINVAL; + else + return -EINVAL; + + if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && + (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) vsi->tx_itr_setting = ec->tx_coalesce_usecs; - break; - } + else if (ec->use_adaptive_tx_coalesce) + vsi->tx_itr_setting = (I40E_ITR_DYNAMIC | + ITR_REG_TO_USEC(I40E_ITR_RX_DEF)); + else + return -EINVAL; + + if (ec->use_adaptive_rx_coalesce) + vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; + + if (ec->use_adaptive_tx_coalesce) + vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; + else + vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; for (i = 0; i < adapter->num_msix_vectors - NONQ_VECS; i++) { q_vector = adapter->q_vector[i]; @@ -675,7 +673,7 @@ static int i40evf_set_rxfh_indir(struct net_device *netdev, const u32 *indir) return 0; } -static struct ethtool_ops i40evf_ethtool_ops = { +static const struct ethtool_ops i40evf_ethtool_ops = { .get_settings = i40evf_get_settings, .get_drvinfo = i40evf_get_drvinfo, .get_link = ethtool_op_get_link, diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 6edd581dffa7..6f6bd3f01801 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * @@ -1029,30 +1032,21 @@ i40evf_acquire_msix_vectors(struct i40evf_adapter *adapter, int vectors) * Right now, we simply care about how many we'll get; we'll * set them up later while requesting irq's. */ - while (vectors >= vector_threshold) { - err = pci_enable_msix(adapter->pdev, adapter->msix_entries, - vectors); - if (!err) /* Success in acquiring all requested vectors. */ - break; - else if (err < 0) - vectors = 0; /* Nasty failure, quit now */ - else /* err == number of vectors we should try again with */ - vectors = err; - } - - if (vectors < vector_threshold) { + err = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, + vector_threshold, vectors); + if (err < 0) { dev_err(&adapter->pdev->dev, "Unable to allocate MSI-X interrupts.\n"); kfree(adapter->msix_entries); adapter->msix_entries = NULL; - err = -EIO; - } else { - /* Adjust for only the vectors we'll use, which is minimum - * of max_msix_q_vectors + NONQ_VECS, or the number of - * vectors we were allocated. - */ - adapter->num_msix_vectors = vectors; + return err; } - return err; + + /* Adjust for only the vectors we'll use, which is minimum + * of max_msix_q_vectors + NONQ_VECS, or the number of + * vectors we were allocated. + */ + adapter->num_msix_vectors = err; + return 0; } /** @@ -2119,8 +2113,10 @@ static void i40evf_init_task(struct work_struct *work) adapter->vsi.back = adapter; adapter->vsi.base_vector = 1; adapter->vsi.work_limit = I40E_DEFAULT_IRQ_WORK; - adapter->vsi.rx_itr_setting = I40E_ITR_DYNAMIC; - adapter->vsi.tx_itr_setting = I40E_ITR_DYNAMIC; + adapter->vsi.rx_itr_setting = (I40E_ITR_DYNAMIC | + ITR_REG_TO_USEC(I40E_ITR_RX_DEF)); + adapter->vsi.tx_itr_setting = (I40E_ITR_DYNAMIC | + ITR_REG_TO_USEC(I40E_ITR_TX_DEF)); adapter->vsi.netdev = adapter->netdev; if (!adapter->netdev_registered) { diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index e294f012647d..7f80bb417722 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -12,6 +12,9 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index df1d1b97187f..3b0f818a4f5c 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -42,6 +42,7 @@ #include <linux/dma-mapping.h> #include <linux/in.h> #include <linux/ip.h> +#include <net/tso.h> #include <linux/tcp.h> #include <linux/udp.h> #include <linux/etherdevice.h> @@ -179,9 +180,10 @@ static char mv643xx_eth_driver_version[] = "1.4"; * Misc definitions. */ #define DEFAULT_RX_QUEUE_SIZE 128 -#define DEFAULT_TX_QUEUE_SIZE 256 +#define DEFAULT_TX_QUEUE_SIZE 512 #define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES) +#define TSO_HEADER_SIZE 128 /* * RX/TX descriptors. @@ -250,6 +252,7 @@ struct tx_desc { #define GEN_TCP_UDP_CHECKSUM 0x00020000 #define UDP_FRAME 0x00010000 #define MAC_HDR_EXTRA_4_BYTES 0x00008000 +#define GEN_TCP_UDP_CHK_FULL 0x00000400 #define MAC_HDR_EXTRA_8_BYTES 0x00000200 #define TX_IHL_SHIFT 11 @@ -345,6 +348,9 @@ struct tx_queue { int tx_curr_desc; int tx_used_desc; + char *tso_hdrs; + dma_addr_t tso_hdrs_dma; + struct tx_desc *tx_desc_area; dma_addr_t tx_desc_dma; int tx_desc_area_size; @@ -661,6 +667,198 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb) return 0; } +static inline __be16 sum16_as_be(__sum16 sum) +{ + return (__force __be16)sum; +} + +static int skb_tx_csum(struct mv643xx_eth_private *mp, struct sk_buff *skb, + u16 *l4i_chk, u32 *command, int length) +{ + int ret; + u32 cmd = 0; + + if (skb->ip_summed == CHECKSUM_PARTIAL) { + int hdr_len; + int tag_bytes; + + BUG_ON(skb->protocol != htons(ETH_P_IP) && + skb->protocol != htons(ETH_P_8021Q)); + + hdr_len = (void *)ip_hdr(skb) - (void *)skb->data; + tag_bytes = hdr_len - ETH_HLEN; + + if (length - hdr_len > mp->shared->tx_csum_limit || + unlikely(tag_bytes & ~12)) { + ret = skb_checksum_help(skb); + if (!ret) + goto no_csum; + return ret; + } + + if (tag_bytes & 4) + cmd |= MAC_HDR_EXTRA_4_BYTES; + if (tag_bytes & 8) + cmd |= MAC_HDR_EXTRA_8_BYTES; + + cmd |= GEN_TCP_UDP_CHECKSUM | GEN_TCP_UDP_CHK_FULL | + GEN_IP_V4_CHECKSUM | + ip_hdr(skb)->ihl << TX_IHL_SHIFT; + + /* TODO: Revisit this. With the usage of GEN_TCP_UDP_CHK_FULL + * it seems we don't need to pass the initial checksum. */ + switch (ip_hdr(skb)->protocol) { + case IPPROTO_UDP: + cmd |= UDP_FRAME; + *l4i_chk = 0; + break; + case IPPROTO_TCP: + *l4i_chk = 0; + break; + default: + WARN(1, "protocol not supported"); + } + } else { +no_csum: + /* Errata BTS #50, IHL must be 5 if no HW checksum */ + cmd |= 5 << TX_IHL_SHIFT; + } + *command = cmd; + return 0; +} + +static inline int +txq_put_data_tso(struct net_device *dev, struct tx_queue *txq, + struct sk_buff *skb, char *data, int length, + bool last_tcp, bool is_last) +{ + int tx_index; + u32 cmd_sts; + struct tx_desc *desc; + + tx_index = txq->tx_curr_desc++; + if (txq->tx_curr_desc == txq->tx_ring_size) + txq->tx_curr_desc = 0; + desc = &txq->tx_desc_area[tx_index]; + + desc->l4i_chk = 0; + desc->byte_cnt = length; + desc->buf_ptr = dma_map_single(dev->dev.parent, data, + length, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(dev->dev.parent, desc->buf_ptr))) { + WARN(1, "dma_map_single failed!\n"); + return -ENOMEM; + } + + cmd_sts = BUFFER_OWNED_BY_DMA; + if (last_tcp) { + /* last descriptor in the TCP packet */ + cmd_sts |= ZERO_PADDING | TX_LAST_DESC; + /* last descriptor in SKB */ + if (is_last) + cmd_sts |= TX_ENABLE_INTERRUPT; + } + desc->cmd_sts = cmd_sts; + return 0; +} + +static inline void +txq_put_hdr_tso(struct sk_buff *skb, struct tx_queue *txq, int length) +{ + struct mv643xx_eth_private *mp = txq_to_mp(txq); + int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + int tx_index; + struct tx_desc *desc; + int ret; + u32 cmd_csum = 0; + u16 l4i_chk = 0; + + tx_index = txq->tx_curr_desc; + desc = &txq->tx_desc_area[tx_index]; + + ret = skb_tx_csum(mp, skb, &l4i_chk, &cmd_csum, length); + if (ret) + WARN(1, "failed to prepare checksum!"); + + /* Should we set this? Can't use the value from skb_tx_csum() + * as it's not the correct initial L4 checksum to use. */ + desc->l4i_chk = 0; + + desc->byte_cnt = hdr_len; + desc->buf_ptr = txq->tso_hdrs_dma + + txq->tx_curr_desc * TSO_HEADER_SIZE; + desc->cmd_sts = cmd_csum | BUFFER_OWNED_BY_DMA | TX_FIRST_DESC | + GEN_CRC; + + txq->tx_curr_desc++; + if (txq->tx_curr_desc == txq->tx_ring_size) + txq->tx_curr_desc = 0; +} + +static int txq_submit_tso(struct tx_queue *txq, struct sk_buff *skb, + struct net_device *dev) +{ + struct mv643xx_eth_private *mp = txq_to_mp(txq); + int total_len, data_left, ret; + int desc_count = 0; + struct tso_t tso; + int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + + /* Count needed descriptors */ + if ((txq->tx_desc_count + tso_count_descs(skb)) >= txq->tx_ring_size) { + netdev_dbg(dev, "not enough descriptors for TSO!\n"); + return -EBUSY; + } + + /* Initialize the TSO handler, and prepare the first payload */ + tso_start(skb, &tso); + + total_len = skb->len - hdr_len; + while (total_len > 0) { + char *hdr; + + data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); + total_len -= data_left; + desc_count++; + + /* prepare packet headers: MAC + IP + TCP */ + hdr = txq->tso_hdrs + txq->tx_curr_desc * TSO_HEADER_SIZE; + tso_build_hdr(skb, hdr, &tso, data_left, total_len == 0); + txq_put_hdr_tso(skb, txq, data_left); + + while (data_left > 0) { + int size; + desc_count++; + + size = min_t(int, tso.size, data_left); + ret = txq_put_data_tso(dev, txq, skb, tso.data, size, + size == data_left, + total_len == 0); + if (ret) + goto err_release; + data_left -= size; + tso_build_data(skb, &tso, size); + } + } + + __skb_queue_tail(&txq->tx_skb, skb); + skb_tx_timestamp(skb); + + /* clear TX_END status */ + mp->work_tx_end &= ~(1 << txq->index); + + /* ensure all descriptors are written before poking hardware */ + wmb(); + txq_enable(txq); + txq->tx_desc_count += desc_count; + return 0; +err_release: + /* TODO: Release all used data descriptors; header descriptors must not + * be DMA-unmapped. + */ + return ret; +} + static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb) { struct mv643xx_eth_private *mp = txq_to_mp(txq); @@ -671,8 +869,10 @@ static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb) skb_frag_t *this_frag; int tx_index; struct tx_desc *desc; + void *addr; this_frag = &skb_shinfo(skb)->frags[frag]; + addr = page_address(this_frag->page.p) + this_frag->page_offset; tx_index = txq->tx_curr_desc++; if (txq->tx_curr_desc == txq->tx_ring_size) txq->tx_curr_desc = 0; @@ -692,18 +892,11 @@ static void txq_submit_frag_skb(struct tx_queue *txq, struct sk_buff *skb) desc->l4i_chk = 0; desc->byte_cnt = skb_frag_size(this_frag); - desc->buf_ptr = skb_frag_dma_map(mp->dev->dev.parent, - this_frag, 0, - skb_frag_size(this_frag), - DMA_TO_DEVICE); + desc->buf_ptr = dma_map_single(mp->dev->dev.parent, addr, + desc->byte_cnt, DMA_TO_DEVICE); } } -static inline __be16 sum16_as_be(__sum16 sum) -{ - return (__force __be16)sum; -} - static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) { struct mv643xx_eth_private *mp = txq_to_mp(txq); @@ -712,53 +905,17 @@ static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) struct tx_desc *desc; u32 cmd_sts; u16 l4i_chk; - int length; + int length, ret; - cmd_sts = TX_FIRST_DESC | GEN_CRC | BUFFER_OWNED_BY_DMA; + cmd_sts = 0; l4i_chk = 0; - if (skb->ip_summed == CHECKSUM_PARTIAL) { - int hdr_len; - int tag_bytes; - - BUG_ON(skb->protocol != htons(ETH_P_IP) && - skb->protocol != htons(ETH_P_8021Q)); - - hdr_len = (void *)ip_hdr(skb) - (void *)skb->data; - tag_bytes = hdr_len - ETH_HLEN; - if (skb->len - hdr_len > mp->shared->tx_csum_limit || - unlikely(tag_bytes & ~12)) { - if (skb_checksum_help(skb) == 0) - goto no_csum; - dev_kfree_skb_any(skb); - return 1; - } - - if (tag_bytes & 4) - cmd_sts |= MAC_HDR_EXTRA_4_BYTES; - if (tag_bytes & 8) - cmd_sts |= MAC_HDR_EXTRA_8_BYTES; - - cmd_sts |= GEN_TCP_UDP_CHECKSUM | - GEN_IP_V4_CHECKSUM | - ip_hdr(skb)->ihl << TX_IHL_SHIFT; - - switch (ip_hdr(skb)->protocol) { - case IPPROTO_UDP: - cmd_sts |= UDP_FRAME; - l4i_chk = ntohs(sum16_as_be(udp_hdr(skb)->check)); - break; - case IPPROTO_TCP: - l4i_chk = ntohs(sum16_as_be(tcp_hdr(skb)->check)); - break; - default: - BUG(); - } - } else { -no_csum: - /* Errata BTS #50, IHL must be 5 if no HW checksum */ - cmd_sts |= 5 << TX_IHL_SHIFT; + ret = skb_tx_csum(mp, skb, &l4i_chk, &cmd_sts, skb->len); + if (ret) { + dev_kfree_skb_any(skb); + return ret; } + cmd_sts |= TX_FIRST_DESC | GEN_CRC | BUFFER_OWNED_BY_DMA; tx_index = txq->tx_curr_desc++; if (txq->tx_curr_desc == txq->tx_ring_size) @@ -801,7 +958,7 @@ no_csum: static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) { struct mv643xx_eth_private *mp = netdev_priv(dev); - int length, queue; + int length, queue, ret; struct tx_queue *txq; struct netdev_queue *nq; @@ -825,7 +982,11 @@ static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) length = skb->len; - if (!txq_submit_skb(txq, skb)) { + if (skb_is_gso(skb)) + ret = txq_submit_tso(txq, skb, dev); + else + ret = txq_submit_skb(txq, skb); + if (!ret) { int entries_left; txq->tx_bytes += length; @@ -834,6 +995,8 @@ static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) entries_left = txq->tx_ring_size - txq->tx_desc_count; if (entries_left < MAX_SKB_FRAGS + 1) netif_tx_stop_queue(nq); + } else if (ret == -EBUSY) { + return NETDEV_TX_BUSY; } return NETDEV_TX_OK; @@ -907,14 +1070,8 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) mp->dev->stats.tx_errors++; } - if (cmd_sts & TX_FIRST_DESC) { - dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, - desc->byte_cnt, DMA_TO_DEVICE); - } else { - dma_unmap_page(mp->dev->dev.parent, desc->buf_ptr, - desc->byte_cnt, DMA_TO_DEVICE); - } - + dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, + desc->byte_cnt, DMA_TO_DEVICE); dev_kfree_skb(skb); } @@ -1871,6 +2028,15 @@ static int txq_init(struct mv643xx_eth_private *mp, int index) nexti * sizeof(struct tx_desc); } + /* Allocate DMA buffers for TSO MAC/IP/TCP headers */ + txq->tso_hdrs = dma_alloc_coherent(mp->dev->dev.parent, + txq->tx_ring_size * TSO_HEADER_SIZE, + &txq->tso_hdrs_dma, GFP_KERNEL); + if (txq->tso_hdrs == NULL) { + dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size, + txq->tx_desc_area, txq->tx_desc_dma); + return -ENOMEM; + } skb_queue_head_init(&txq->tx_skb); return 0; @@ -1891,6 +2057,10 @@ static void txq_deinit(struct tx_queue *txq) else dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size, txq->tx_desc_area, txq->tx_desc_dma); + if (txq->tso_hdrs) + dma_free_coherent(mp->dev->dev.parent, + txq->tx_ring_size * TSO_HEADER_SIZE, + txq->tso_hdrs, txq->tso_hdrs_dma); } @@ -2921,9 +3091,11 @@ static int mv643xx_eth_probe(struct platform_device *pdev) dev->watchdog_timeo = 2 * HZ; dev->base_addr = 0; - dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM; - dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM; - dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM; + dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; + dev->vlan_features = dev->features; + + dev->features |= NETIF_F_RXCSUM; + dev->hw_features = dev->features; dev->priv_flags |= IFF_UNICAST_FLT; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index c7cbaf3b4afe..18c698d9ef9b 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -23,6 +23,7 @@ #include <net/ip.h> #include <net/ipv6.h> #include <linux/io.h> +#include <net/tso.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_mdio.h> @@ -244,6 +245,9 @@ #define MVNETA_TX_MTU_MAX 0x3ffff +/* TSO header size */ +#define TSO_HEADER_SIZE 128 + /* Max number of Rx descriptors */ #define MVNETA_MAX_RXD 128 @@ -413,6 +417,12 @@ struct mvneta_tx_queue { /* Index of the next TX DMA descriptor to process */ int next_desc_to_proc; + + /* DMA buffers for TSO headers */ + char *tso_hdrs; + + /* DMA address of TSO headers */ + dma_addr_t tso_hdrs_phys; }; struct mvneta_rx_queue { @@ -1519,6 +1529,126 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, return rx_done; } +static inline void +mvneta_tso_put_hdr(struct sk_buff *skb, + struct mvneta_port *pp, struct mvneta_tx_queue *txq) +{ + struct mvneta_tx_desc *tx_desc; + int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + + txq->tx_skb[txq->txq_put_index] = NULL; + tx_desc = mvneta_txq_next_desc_get(txq); + tx_desc->data_size = hdr_len; + tx_desc->command = mvneta_skb_tx_csum(pp, skb); + tx_desc->command |= MVNETA_TXD_F_DESC; + tx_desc->buf_phys_addr = txq->tso_hdrs_phys + + txq->txq_put_index * TSO_HEADER_SIZE; + mvneta_txq_inc_put(txq); +} + +static inline int +mvneta_tso_put_data(struct net_device *dev, struct mvneta_tx_queue *txq, + struct sk_buff *skb, char *data, int size, + bool last_tcp, bool is_last) +{ + struct mvneta_tx_desc *tx_desc; + + tx_desc = mvneta_txq_next_desc_get(txq); + tx_desc->data_size = size; + tx_desc->buf_phys_addr = dma_map_single(dev->dev.parent, data, + size, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(dev->dev.parent, + tx_desc->buf_phys_addr))) { + mvneta_txq_desc_put(txq); + return -ENOMEM; + } + + tx_desc->command = 0; + txq->tx_skb[txq->txq_put_index] = NULL; + + if (last_tcp) { + /* last descriptor in the TCP packet */ + tx_desc->command = MVNETA_TXD_L_DESC; + + /* last descriptor in SKB */ + if (is_last) + txq->tx_skb[txq->txq_put_index] = skb; + } + mvneta_txq_inc_put(txq); + return 0; +} + +static int mvneta_tx_tso(struct sk_buff *skb, struct net_device *dev, + struct mvneta_tx_queue *txq) +{ + int total_len, data_left; + int desc_count = 0; + struct mvneta_port *pp = netdev_priv(dev); + struct tso_t tso; + int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + int i; + + /* Count needed descriptors */ + if ((txq->count + tso_count_descs(skb)) >= txq->size) + return 0; + + if (skb_headlen(skb) < (skb_transport_offset(skb) + tcp_hdrlen(skb))) { + pr_info("*** Is this even possible???!?!?\n"); + return 0; + } + + /* Initialize the TSO handler, and prepare the first payload */ + tso_start(skb, &tso); + + total_len = skb->len - hdr_len; + while (total_len > 0) { + char *hdr; + + data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); + total_len -= data_left; + desc_count++; + + /* prepare packet headers: MAC + IP + TCP */ + hdr = txq->tso_hdrs + txq->txq_put_index * TSO_HEADER_SIZE; + tso_build_hdr(skb, hdr, &tso, data_left, total_len == 0); + + mvneta_tso_put_hdr(skb, pp, txq); + + while (data_left > 0) { + int size; + desc_count++; + + size = min_t(int, tso.size, data_left); + + if (mvneta_tso_put_data(dev, txq, skb, + tso.data, size, + size == data_left, + total_len == 0)) + goto err_release; + data_left -= size; + + tso_build_data(skb, &tso, size); + } + } + + return desc_count; + +err_release: + /* Release all used data descriptors; header descriptors must not + * be DMA-unmapped. + */ + for (i = desc_count - 1; i >= 0; i--) { + struct mvneta_tx_desc *tx_desc = txq->descs + i; + if (!(tx_desc->command & MVNETA_TXD_F_DESC)) + dma_unmap_single(pp->dev->dev.parent, + tx_desc->buf_phys_addr, + tx_desc->data_size, + DMA_TO_DEVICE); + mvneta_txq_desc_put(txq); + } + return 0; +} + /* Handle tx fragmentation processing */ static int mvneta_tx_frag_process(struct mvneta_port *pp, struct sk_buff *skb, struct mvneta_tx_queue *txq) @@ -1584,15 +1714,18 @@ static int mvneta_tx(struct sk_buff *skb, struct net_device *dev) u16 txq_id = skb_get_queue_mapping(skb); struct mvneta_tx_queue *txq = &pp->txqs[txq_id]; struct mvneta_tx_desc *tx_desc; - struct netdev_queue *nq; int frags = 0; u32 tx_cmd; if (!netif_running(dev)) goto out; + if (skb_is_gso(skb)) { + frags = mvneta_tx_tso(skb, dev, txq); + goto out; + } + frags = skb_shinfo(skb)->nr_frags + 1; - nq = netdev_get_tx_queue(dev, txq_id); /* Get a descriptor for the first part of the packet */ tx_desc = mvneta_txq_next_desc_get(txq); @@ -1635,15 +1768,16 @@ static int mvneta_tx(struct sk_buff *skb, struct net_device *dev) } } - txq->count += frags; - mvneta_txq_pend_desc_add(pp, txq, frags); - - if (txq->size - txq->count < MAX_SKB_FRAGS + 1) - netif_tx_stop_queue(nq); - out: if (frags > 0) { struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + struct netdev_queue *nq = netdev_get_tx_queue(dev, txq_id); + + txq->count += frags; + mvneta_txq_pend_desc_add(pp, txq, frags); + + if (txq->size - txq->count < MAX_SKB_FRAGS + 1) + netif_tx_stop_queue(nq); u64_stats_update_begin(&stats->syncp); stats->tx_packets++; @@ -2109,6 +2243,18 @@ static int mvneta_txq_init(struct mvneta_port *pp, txq->descs, txq->descs_phys); return -ENOMEM; } + + /* Allocate DMA buffers for TSO MAC/IP/TCP headers */ + txq->tso_hdrs = dma_alloc_coherent(pp->dev->dev.parent, + txq->size * TSO_HEADER_SIZE, + &txq->tso_hdrs_phys, GFP_KERNEL); + if (txq->tso_hdrs == NULL) { + kfree(txq->tx_skb); + dma_free_coherent(pp->dev->dev.parent, + txq->size * MVNETA_DESC_ALIGNED_SIZE, + txq->descs, txq->descs_phys); + return -ENOMEM; + } mvneta_tx_done_pkts_coal_set(pp, txq, txq->done_pkts_coal); return 0; @@ -2120,6 +2266,10 @@ static void mvneta_txq_deinit(struct mvneta_port *pp, { kfree(txq->tx_skb); + if (txq->tso_hdrs) + dma_free_coherent(pp->dev->dev.parent, + txq->size * TSO_HEADER_SIZE, + txq->tso_hdrs, txq->tso_hdrs_phys); if (txq->descs) dma_free_coherent(pp->dev->dev.parent, txq->size * MVNETA_DESC_ALIGNED_SIZE, @@ -2895,9 +3045,9 @@ static int mvneta_probe(struct platform_device *pdev) netif_napi_add(dev, &pp->napi, mvneta_poll, pp->weight); - dev->features = NETIF_F_SG | NETIF_F_IP_CSUM; - dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM; - dev->vlan_features |= NETIF_F_SG | NETIF_F_IP_CSUM; + dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; + dev->hw_features |= dev->features; + dev->vlan_features |= dev->features; dev->priv_flags |= IFF_UNICAST_FLT; err = register_netdev(dev); diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index d107bcbb8543..7a0deadd53bf 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -2122,7 +2122,7 @@ static int vxge_open_vpaths(struct vxgedev *vdev) static void adaptive_coalesce_tx_interrupts(struct vxge_fifo *fifo) { fifo->interrupt_count++; - if (jiffies > fifo->jiffies + HZ / 100) { + if (time_before(fifo->jiffies + HZ / 100, jiffies)) { struct __vxge_hw_fifo *hw_fifo = fifo->handle; fifo->jiffies = jiffies; @@ -2150,7 +2150,7 @@ static void adaptive_coalesce_tx_interrupts(struct vxge_fifo *fifo) static void adaptive_coalesce_rx_interrupts(struct vxge_ring *ring) { ring->interrupt_count++; - if (jiffies > ring->jiffies + HZ / 100) { + if (time_before(ring->jiffies + HZ / 100, jiffies)) { struct __vxge_hw_ring *hw_ring = ring->handle; ring->jiffies = jiffies; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index e76eae541151..f32d730f55cc 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1865,7 +1865,6 @@ static int davinci_emac_probe(struct platform_device *pdev) struct emac_priv *priv; unsigned long hw_ram_addr; struct emac_platform_data *pdata; - struct device *emac_dev; struct cpdma_params dma_params; struct clk *emac_clk; unsigned long emac_bus_frequency; @@ -1911,7 +1910,6 @@ static int davinci_emac_probe(struct platform_device *pdev) priv->coal_intvl = 0; priv->bus_freq_mhz = (u32)(emac_bus_frequency / 1000000); - emac_dev = &ndev->dev; /* Get EMAC platform data */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->emac_base_phys = res->start + pdata->ctrl_reg_offset; @@ -1930,7 +1928,7 @@ static int davinci_emac_probe(struct platform_device *pdev) hw_ram_addr = (u32 __force)res->start + pdata->ctrl_ram_offset; memset(&dma_params, 0, sizeof(dma_params)); - dma_params.dev = emac_dev; + dma_params.dev = &pdev->dev; dma_params.dmaregs = priv->emac_base; dma_params.rxthresh = priv->emac_base + 0x120; dma_params.rxfree = priv->emac_base + 0x140; @@ -1994,7 +1992,7 @@ static int davinci_emac_probe(struct platform_device *pdev) if (netif_msg_probe(priv)) { - dev_notice(emac_dev, "DaVinci EMAC Probe found device "\ + dev_notice(&pdev->dev, "DaVinci EMAC Probe found device " "(regs: %p, irq: %d)\n", (void *)priv->emac_base_phys, ndev->irq); } diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c index b8d22173925d..27d83207d24c 100644 --- a/drivers/net/ieee802154/fakelb.c +++ b/drivers/net/ieee802154/fakelb.c @@ -26,6 +26,7 @@ #include <linux/timer.h> #include <linux/platform_device.h> #include <linux/netdevice.h> +#include <linux/device.h> #include <linux/spinlock.h> #include <net/mac802154.h> #include <net/wpan-phy.h> @@ -228,7 +229,8 @@ static int fakelb_probe(struct platform_device *pdev) int err = -ENOMEM; int i; - priv = kzalloc(sizeof(struct fakelb_priv), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, sizeof(struct fakelb_priv), + GFP_KERNEL); if (!priv) goto err_alloc; @@ -248,7 +250,6 @@ static int fakelb_probe(struct platform_device *pdev) err_slave: list_for_each_entry(dp, &priv->list, list) fakelb_del(dp); - kfree(priv); err_alloc: return err; } @@ -260,7 +261,6 @@ static int fakelb_remove(struct platform_device *pdev) list_for_each_entry_safe(dp, temp, &priv->list, list) fakelb_del(dp); - kfree(priv); return 0; } diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 767fe61b5ac9..9a9ce8debefa 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -968,7 +968,7 @@ static void team_port_disable(struct team *team, static void __team_compute_features(struct team *team) { struct team_port *port; - u32 vlan_features = TEAM_VLAN_FEATURES; + u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; unsigned short max_hard_header_len = ETH_HLEN; unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index ee328ba101e7..98bad1fb1bfb 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -498,12 +498,12 @@ static void tun_detach_all(struct net_device *dev) for (i = 0; i < n; i++) { tfile = rtnl_dereference(tun->tfiles[i]); BUG_ON(!tfile); - wake_up_all(&tfile->wq.wait); + tfile->socket.sk->sk_data_ready(tfile->socket.sk); RCU_INIT_POINTER(tfile->tun, NULL); --tun->numqueues; } list_for_each_entry(tfile, &tun->disabled, next) { - wake_up_all(&tfile->wq.wait); + tfile->socket.sk->sk_data_ready(tfile->socket.sk); RCU_INIT_POINTER(tfile->tun, NULL); } BUG_ON(tun->numqueues != 0); @@ -807,8 +807,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) /* Notify and wake up reader process */ if (tfile->flags & TUN_FASYNC) kill_fasync(&tfile->fasync, SIGIO, POLL_IN); - wake_up_interruptible_poll(&tfile->wq.wait, POLLIN | - POLLRDNORM | POLLRDBAND); + tfile->socket.sk->sk_data_ready(tfile->socket.sk); rcu_read_unlock(); return NETDEV_TX_OK; @@ -965,7 +964,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait) tun_debug(KERN_INFO, tun, "tun_chr_poll\n"); - poll_wait(file, &tfile->wq.wait, wait); + poll_wait(file, sk_sleep(sk), wait); if (!skb_queue_empty(&sk->sk_receive_queue)) mask |= POLLIN | POLLRDNORM; @@ -1330,47 +1329,26 @@ done: static ssize_t tun_do_read(struct tun_struct *tun, struct tun_file *tfile, const struct iovec *iv, ssize_t len, int noblock) { - DECLARE_WAITQUEUE(wait, current); struct sk_buff *skb; ssize_t ret = 0; + int peeked, err, off = 0; tun_debug(KERN_INFO, tun, "tun_do_read\n"); - if (unlikely(!noblock)) - add_wait_queue(&tfile->wq.wait, &wait); - while (len) { - if (unlikely(!noblock)) - current->state = TASK_INTERRUPTIBLE; + if (!len) + return ret; - /* Read frames from the queue */ - if (!(skb = skb_dequeue(&tfile->socket.sk->sk_receive_queue))) { - if (noblock) { - ret = -EAGAIN; - break; - } - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - if (tun->dev->reg_state != NETREG_REGISTERED) { - ret = -EIO; - break; - } - - /* Nothing to read, let's sleep */ - schedule(); - continue; - } + if (tun->dev->reg_state != NETREG_REGISTERED) + return -EIO; + /* Read frames from queue */ + skb = __skb_recv_datagram(tfile->socket.sk, noblock ? MSG_DONTWAIT : 0, + &peeked, &off, &err); + if (skb) { ret = tun_put_user(tun, tfile, skb, iv, len); kfree_skb(skb); - break; - } - - if (unlikely(!noblock)) { - current->state = TASK_RUNNING; - remove_wait_queue(&tfile->wq.wait, &wait); - } + } else + ret = err; return ret; } @@ -2199,8 +2177,8 @@ static int tun_chr_open(struct inode *inode, struct file * file) tfile->flags = 0; tfile->ifindex = 0; - rcu_assign_pointer(tfile->socket.wq, &tfile->wq); init_waitqueue_head(&tfile->wq.wait); + RCU_INIT_POINTER(tfile->socket.wq, &tfile->wq); tfile->socket.file = file; tfile->socket.ops = &tun_socket_ops; diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c index 9c34d2fccfac..9c78090e72f8 100644 --- a/drivers/net/wimax/i2400m/driver.c +++ b/drivers/net/wimax/i2400m/driver.c @@ -500,26 +500,23 @@ int i2400m_pm_notifier(struct notifier_block *notifier, */ int i2400m_pre_reset(struct i2400m *i2400m) { - int result; struct device *dev = i2400m_dev(i2400m); d_fnstart(3, dev, "(i2400m %p)\n", i2400m); d_printf(1, dev, "pre-reset shut down\n"); - result = 0; mutex_lock(&i2400m->init_mutex); if (i2400m->updown) { netif_tx_disable(i2400m->wimax_dev.net_dev); __i2400m_dev_stop(i2400m); - result = 0; /* down't set updown to zero -- this way * post_reset can restore properly */ } mutex_unlock(&i2400m->init_mutex); if (i2400m->bus_release) i2400m->bus_release(i2400m); - d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result); - return result; + d_fnend(3, dev, "(i2400m %p) = 0\n", i2400m); + return 0; } EXPORT_SYMBOL_GPL(i2400m_pre_reset); |