diff options
author | Jiri Pirko <jpirko@redhat.com> | 2011-07-21 03:26:31 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-07-21 20:47:57 (GMT) |
commit | 5622e4044a916de1af84bfcc4d437ce0c799d531 (patch) | |
tree | 1ed8e79892147ffe8c746cc4b5f6ee6eeb06426b /drivers/net/e1000/e1000_main.c | |
parent | a4aeb26628b5184386f99cf202ac837b0e56c975 (diff) | |
download | linux-5622e4044a916de1af84bfcc4d437ce0c799d531.tar.xz |
e1000: do vlan cleanup
- unify vlan and nonvlan rx path
- kill adapter->vlgrp and e1000_vlan_rx_register
- allow to turn on/off rx/tx vlan accel via ethtool (set_features)
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r-- | drivers/net/e1000/e1000_main.c | 168 |
1 files changed, 107 insertions, 61 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 188d99a..acaebec 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -30,6 +30,8 @@ #include <net/ip6_checksum.h> #include <linux/io.h> #include <linux/prefetch.h> +#include <linux/bitops.h> +#include <linux/if_vlan.h> /* Intel Media SOC GbE MDIO physical base address */ static unsigned long ce4100_gbe_mdio_base_phy; @@ -166,7 +168,8 @@ static void e1000_smartspeed(struct e1000_adapter *adapter); static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb); -static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); +static bool e1000_vlan_used(struct e1000_adapter *adapter); +static void e1000_vlan_mode(struct net_device *netdev, u32 features); static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid); static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid); static void e1000_restore_vlan(struct e1000_adapter *adapter); @@ -330,21 +333,24 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; u16 vid = hw->mng_cookie.vlan_id; u16 old_vid = adapter->mng_vlan_id; - if (adapter->vlgrp) { - if (!vlan_group_get_device(adapter->vlgrp, vid)) { - if (hw->mng_cookie.status & - E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) { - e1000_vlan_rx_add_vid(netdev, vid); - adapter->mng_vlan_id = vid; - } else - adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && - (vid != old_vid) && - !vlan_group_get_device(adapter->vlgrp, old_vid)) - e1000_vlan_rx_kill_vid(netdev, old_vid); - } else + if (!e1000_vlan_used(adapter)) + return; + + if (!test_bit(vid, adapter->active_vlans)) { + if (hw->mng_cookie.status & + E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) { + e1000_vlan_rx_add_vid(netdev, vid); adapter->mng_vlan_id = vid; + } else { + adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; + } + if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && + (vid != old_vid) && + !test_bit(old_vid, adapter->active_vlans)) + e1000_vlan_rx_kill_vid(netdev, old_vid); + } else { + adapter->mng_vlan_id = vid; } } @@ -797,11 +803,28 @@ static int e1000_is_need_ioport(struct pci_dev *pdev) } } +static u32 e1000_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + return features; +} + static int e1000_set_features(struct net_device *netdev, u32 features) { struct e1000_adapter *adapter = netdev_priv(netdev); u32 changed = features ^ netdev->features; + if (changed & NETIF_F_HW_VLAN_RX) + e1000_vlan_mode(netdev, features); + if (!(changed & NETIF_F_RXCSUM)) return 0; @@ -822,18 +845,17 @@ static const struct net_device_ops e1000_netdev_ops = { .ndo_get_stats = e1000_get_stats, .ndo_set_rx_mode = e1000_set_rx_mode, .ndo_set_mac_address = e1000_set_mac, - .ndo_tx_timeout = e1000_tx_timeout, + .ndo_tx_timeout = e1000_tx_timeout, .ndo_change_mtu = e1000_change_mtu, .ndo_do_ioctl = e1000_ioctl, .ndo_validate_addr = eth_validate_addr, - - .ndo_vlan_rx_register = e1000_vlan_rx_register, .ndo_vlan_rx_add_vid = e1000_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = e1000_vlan_rx_kill_vid, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = e1000_netpoll, #endif - .ndo_set_features = e1000_set_features, + .ndo_fix_features = e1000_fix_features, + .ndo_set_features = e1000_set_features, }; /** @@ -1036,9 +1058,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (hw->mac_type >= e1000_82543) { netdev->hw_features = NETIF_F_SG | - NETIF_F_HW_CSUM; + NETIF_F_HW_CSUM | + NETIF_F_HW_VLAN_RX; netdev->features = NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; } @@ -1197,6 +1219,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (err) goto err_register; + e1000_vlan_mode(netdev, netdev->features); + /* print bus type/speed/width info */ e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n", ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""), @@ -1441,8 +1465,7 @@ static int e1000_close(struct net_device *netdev) * the same ID is registered on the host OS (let 8021q kill it) */ if ((hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && - !(adapter->vlgrp && - vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) { + !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) { e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); } @@ -2233,7 +2256,7 @@ static void e1000_set_rx_mode(struct net_device *netdev) else rctl &= ~E1000_RCTL_MPE; /* Enable VLAN filter if there is a VLAN */ - if (adapter->vlgrp) + if (e1000_vlan_used(adapter)) rctl |= E1000_RCTL_VFE; } @@ -3180,7 +3203,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, } } - if (unlikely(vlan_tx_tag_present(skb))) { + if (vlan_tx_tag_present(skb)) { tx_flags |= E1000_TX_FLAGS_VLAN; tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT); } @@ -3735,12 +3758,12 @@ static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status, { skb->protocol = eth_type_trans(skb, adapter->netdev); - if ((unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP)))) - vlan_gro_receive(&adapter->napi, adapter->vlgrp, - le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK, - skb); - else - napi_gro_receive(&adapter->napi, skb); + if (status & E1000_RXD_STAT_VP) { + u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK; + + __vlan_hwaccel_put_tag(skb, vid); + } + napi_gro_receive(&adapter->napi, skb); } /** @@ -4523,46 +4546,61 @@ void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value) outl(value, port); } -static void e1000_vlan_rx_register(struct net_device *netdev, - struct vlan_group *grp) +static bool e1000_vlan_used(struct e1000_adapter *adapter) +{ + u16 vid; + + for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID) + return true; + return false; +} + +static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter, + bool filter_on) { - struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 ctrl, rctl; + u32 rctl; if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_disable(adapter); - adapter->vlgrp = grp; - - if (grp) { - /* enable VLAN tag insert/strip */ - ctrl = er32(CTRL); - ctrl |= E1000_CTRL_VME; - ew32(CTRL, ctrl); + if (filter_on) { /* enable VLAN receive filtering */ rctl = er32(RCTL); rctl &= ~E1000_RCTL_CFIEN; - if (!(netdev->flags & IFF_PROMISC)) + if (!(adapter->netdev->flags & IFF_PROMISC)) rctl |= E1000_RCTL_VFE; ew32(RCTL, rctl); e1000_update_mng_vlan(adapter); } else { - /* disable VLAN tag insert/strip */ - ctrl = er32(CTRL); - ctrl &= ~E1000_CTRL_VME; - ew32(CTRL, ctrl); - /* disable VLAN receive filtering */ rctl = er32(RCTL); rctl &= ~E1000_RCTL_VFE; ew32(RCTL, rctl); + } - if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) { - e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); - adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - } + if (!test_bit(__E1000_DOWN, &adapter->flags)) + e1000_irq_enable(adapter); +} + +static void e1000_vlan_mode(struct net_device *netdev, u32 features) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + u32 ctrl; + + if (!test_bit(__E1000_DOWN, &adapter->flags)) + e1000_irq_disable(adapter); + + ctrl = er32(CTRL); + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + ctrl |= E1000_CTRL_VME; + } else { + /* disable VLAN tag insert/strip */ + ctrl &= ~E1000_CTRL_VME; } + ew32(CTRL, ctrl); if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_enable(adapter); @@ -4578,11 +4616,17 @@ static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid) E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && (vid == adapter->mng_vlan_id)) return; + + if (!e1000_vlan_used(adapter)) + e1000_vlan_filter_on_off(adapter, true); + /* add VID to filter table */ index = (vid >> 5) & 0x7F; vfta = E1000_READ_REG_ARRAY(hw, VFTA, index); vfta |= (1 << (vid & 0x1F)); e1000_write_vfta(hw, index, vfta); + + set_bit(vid, adapter->active_vlans); } static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) @@ -4593,7 +4637,6 @@ static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_disable(adapter); - vlan_group_set_device(adapter->vlgrp, vid, NULL); if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_enable(adapter); @@ -4602,20 +4645,23 @@ static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) vfta = E1000_READ_REG_ARRAY(hw, VFTA, index); vfta &= ~(1 << (vid & 0x1F)); e1000_write_vfta(hw, index, vfta); + + clear_bit(vid, adapter->active_vlans); + + if (!e1000_vlan_used(adapter)) + e1000_vlan_filter_on_off(adapter, false); } static void e1000_restore_vlan(struct e1000_adapter *adapter) { - e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp); + u16 vid; - if (adapter->vlgrp) { - u16 vid; - for (vid = 0; vid < VLAN_N_VID; vid++) { - if (!vlan_group_get_device(adapter->vlgrp, vid)) - continue; - e1000_vlan_rx_add_vid(adapter->netdev, vid); - } - } + if (!e1000_vlan_used(adapter)) + return; + + e1000_vlan_filter_on_off(adapter, true); + for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID) + e1000_vlan_rx_add_vid(adapter->netdev, vid); } int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx) |