forked from Minki/linux
igb: do vlan cleanup
- unify vlan and nonvlan rx path - kill adapter->vlgrp and igb_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>
This commit is contained in:
Jiri Pirko
David S. Miller
parent
3326c784c9
commit
b2cb09b1a7
@ -37,6 +37,8 @@
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#include <linux/clocksource.h>
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#include <linux/timecompare.h>
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#include <linux/net_tstamp.h>
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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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struct igb_adapter;
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@ -252,7 +254,7 @@ static inline int igb_desc_unused(struct igb_ring *ring)
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struct igb_adapter {
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struct timer_list watchdog_timer;
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struct timer_list phy_info_timer;
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struct vlan_group *vlgrp;
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unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
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u16 mng_vlan_id;
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u32 bd_number;
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u32 wol;
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@ -28,6 +28,7 @@
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/bitops.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/netdevice.h>
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@ -46,6 +47,7 @@
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#include <linux/if_ether.h>
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#include <linux/aer.h>
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#include <linux/prefetch.h>
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#include <linux/if_vlan.h>
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#ifdef CONFIG_IGB_DCA
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#include <linux/dca.h>
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#endif
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@ -140,7 +142,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int);
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static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
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static void igb_tx_timeout(struct net_device *);
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static void igb_reset_task(struct work_struct *);
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static void igb_vlan_rx_register(struct net_device *, struct vlan_group *);
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static void igb_vlan_mode(struct net_device *netdev, u32 features);
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static void igb_vlan_rx_add_vid(struct net_device *, u16);
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static void igb_vlan_rx_kill_vid(struct net_device *, u16);
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static void igb_restore_vlan(struct igb_adapter *);
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@ -1362,7 +1364,7 @@ static void igb_update_mng_vlan(struct igb_adapter *adapter)
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if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
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(vid != old_vid) &&
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!vlan_group_get_device(adapter->vlgrp, old_vid)) {
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!test_bit(old_vid, adapter->active_vlans)) {
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/* remove VID from filter table */
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igb_vfta_set(hw, old_vid, false);
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}
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@ -1748,10 +1750,25 @@ void igb_reset(struct igb_adapter *adapter)
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igb_get_phy_info(hw);
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}
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static u32 igb_fix_features(struct net_device *netdev, u32 features)
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{
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/*
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* Since there is no support for separate rx/tx vlan accel
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* enable/disable make sure tx flag is always in same state as rx.
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*/
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if (features & NETIF_F_HW_VLAN_RX)
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features |= NETIF_F_HW_VLAN_TX;
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else
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features &= ~NETIF_F_HW_VLAN_TX;
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return features;
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}
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static int igb_set_features(struct net_device *netdev, u32 features)
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{
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struct igb_adapter *adapter = netdev_priv(netdev);
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int i;
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u32 changed = netdev->features ^ features;
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for (i = 0; i < adapter->num_rx_queues; i++) {
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if (features & NETIF_F_RXCSUM)
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@ -1760,6 +1777,9 @@ static int igb_set_features(struct net_device *netdev, u32 features)
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adapter->rx_ring[i]->flags &= ~IGB_RING_FLAG_RX_CSUM;
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}
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if (changed & NETIF_F_HW_VLAN_RX)
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igb_vlan_mode(netdev, features);
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return 0;
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}
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@ -1775,7 +1795,6 @@ static const struct net_device_ops igb_netdev_ops = {
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.ndo_do_ioctl = igb_ioctl,
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.ndo_tx_timeout = igb_tx_timeout,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_vlan_rx_register = igb_vlan_rx_register,
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.ndo_vlan_rx_add_vid = igb_vlan_rx_add_vid,
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.ndo_vlan_rx_kill_vid = igb_vlan_rx_kill_vid,
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.ndo_set_vf_mac = igb_ndo_set_vf_mac,
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@ -1785,7 +1804,8 @@ static const struct net_device_ops igb_netdev_ops = {
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#ifdef CONFIG_NET_POLL_CONTROLLER
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.ndo_poll_controller = igb_netpoll,
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#endif
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.ndo_set_features = igb_set_features,
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.ndo_fix_features = igb_fix_features,
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.ndo_set_features = igb_set_features,
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};
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/**
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@ -1930,11 +1950,11 @@ static int __devinit igb_probe(struct pci_dev *pdev,
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NETIF_F_IPV6_CSUM |
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NETIF_F_TSO |
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NETIF_F_TSO6 |
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NETIF_F_RXCSUM;
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NETIF_F_RXCSUM |
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NETIF_F_HW_VLAN_RX;
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netdev->features = netdev->hw_features |
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NETIF_F_HW_VLAN_TX |
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NETIF_F_HW_VLAN_RX |
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NETIF_F_HW_VLAN_FILTER;
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netdev->vlan_features |= NETIF_F_TSO;
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@ -2057,6 +2077,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
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if (err)
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goto err_register;
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igb_vlan_mode(netdev, netdev->features);
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/* carrier off reporting is important to ethtool even BEFORE open */
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netif_carrier_off(netdev);
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@ -2939,12 +2961,11 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
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**/
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static void igb_rlpml_set(struct igb_adapter *adapter)
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{
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u32 max_frame_size = adapter->max_frame_size;
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u32 max_frame_size;
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struct e1000_hw *hw = &adapter->hw;
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u16 pf_id = adapter->vfs_allocated_count;
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if (adapter->vlgrp)
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max_frame_size += VLAN_TAG_SIZE;
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max_frame_size = adapter->max_frame_size + VLAN_TAG_SIZE;
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/* if vfs are enabled we set RLPML to the largest possible request
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* size and set the VMOLR RLPML to the size we need */
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@ -5693,25 +5714,6 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
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return count < tx_ring->count;
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}
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/**
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* igb_receive_skb - helper function to handle rx indications
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* @q_vector: structure containing interrupt and ring information
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* @skb: packet to send up
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* @vlan_tag: vlan tag for packet
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**/
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static void igb_receive_skb(struct igb_q_vector *q_vector,
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struct sk_buff *skb,
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u16 vlan_tag)
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{
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struct igb_adapter *adapter = q_vector->adapter;
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if (vlan_tag && adapter->vlgrp)
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vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
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vlan_tag, skb);
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else
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napi_gro_receive(&q_vector->napi, skb);
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}
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static inline void igb_rx_checksum_adv(struct igb_ring *ring,
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u32 status_err, struct sk_buff *skb)
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{
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@ -5809,7 +5811,6 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
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unsigned int i;
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u32 staterr;
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u16 length;
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u16 vlan_tag;
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i = rx_ring->next_to_clean;
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buffer_info = &rx_ring->buffer_info[i];
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@ -5894,10 +5895,12 @@ send_up:
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skb->protocol = eth_type_trans(skb, netdev);
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skb_record_rx_queue(skb, rx_ring->queue_index);
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vlan_tag = ((staterr & E1000_RXD_STAT_VP) ?
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le16_to_cpu(rx_desc->wb.upper.vlan) : 0);
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if (staterr & E1000_RXD_STAT_VP) {
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u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan);
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igb_receive_skb(q_vector, skb, vlan_tag);
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__vlan_hwaccel_put_tag(skb, vid);
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}
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napi_gro_receive(&q_vector->napi, skb);
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next_desc:
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rx_desc->wb.upper.status_error = 0;
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@ -6290,17 +6293,15 @@ s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
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return 0;
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}
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static void igb_vlan_rx_register(struct net_device *netdev,
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struct vlan_group *grp)
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static void igb_vlan_mode(struct net_device *netdev, u32 features)
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{
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struct igb_adapter *adapter = netdev_priv(netdev);
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struct e1000_hw *hw = &adapter->hw;
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u32 ctrl, rctl;
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igb_irq_disable(adapter);
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adapter->vlgrp = grp;
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if (grp) {
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if (features & NETIF_F_HW_VLAN_RX) {
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/* enable VLAN tag insert/strip */
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ctrl = rd32(E1000_CTRL);
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ctrl |= E1000_CTRL_VME;
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@ -6334,6 +6335,8 @@ static void igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
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/* add the filter since PF can receive vlans w/o entry in vlvf */
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igb_vfta_set(hw, vid, true);
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set_bit(vid, adapter->active_vlans);
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}
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static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
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@ -6344,7 +6347,6 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
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s32 err;
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igb_irq_disable(adapter);
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vlan_group_set_device(adapter->vlgrp, vid, NULL);
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if (!test_bit(__IGB_DOWN, &adapter->state))
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igb_irq_enable(adapter);
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@ -6355,20 +6357,16 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
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/* if vid was not present in VLVF just remove it from table */
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if (err)
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igb_vfta_set(hw, vid, false);
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clear_bit(vid, adapter->active_vlans);
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}
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static void igb_restore_vlan(struct igb_adapter *adapter)
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{
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igb_vlan_rx_register(adapter->netdev, adapter->vlgrp);
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u16 vid;
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if (adapter->vlgrp) {
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u16 vid;
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for (vid = 0; vid < VLAN_N_VID; vid++) {
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if (!vlan_group_get_device(adapter->vlgrp, vid))
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continue;
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igb_vlan_rx_add_vid(adapter->netdev, vid);
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}
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}
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for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
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igb_vlan_rx_add_vid(adapter->netdev, vid);
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}
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int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
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