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ixgbe: Update ixgbe to use new vlan accleration. 

Make the ixgbe driver use the new vlan accleration model.

Signed-off-by: Jesse Gross <jesse@nicira.com>
CC: Peter Waskiewicz <peter.p.waskiewicz.jr@intel.com>
CC: Emil Tantilov <emil.s.tantilov@intel.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesse Gross 2010-10-20 13:56:10 +00:00 committed by David S. Miller
parent 7d0fd2117e
commit f62bbb5e62
3 changed files with 74 additions and 79 deletions
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4
drivers/net/ixgbe/ixgbe.h
View File

@ -28,11 +28,13 @@
#ifndef _IXGBE_H_
#define _IXGBE_H_
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/cpumask.h>
#include <linux/aer.h>
#include <linux/if_vlan.h>
#include "ixgbe_type.h"
#include "ixgbe_common.h"
@ -287,7 +289,7 @@ struct ixgbe_q_vector {
/* board specific private data structure */
struct ixgbe_adapter {
struct timer_list watchdog_timer;
struct vlan_group *vlgrp;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
u16 bd_number;
struct work_struct reset_task;
struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS];

12
drivers/net/ixgbe/ixgbe_ethtool.c
View File

@ -2113,7 +2113,17 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
bool need_reset = false;
int rc;
rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE);
#ifdef CONFIG_IXGBE_DCB
if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
!(data & ETH_FLAG_RXVLAN))
return -EINVAL;
#endif
need_reset = (data & ETH_FLAG_RXVLAN) !=
(netdev->features & NETIF_F_HW_VLAN_RX);
rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO |
ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN);
if (rc)
return rc;

137
drivers/net/ixgbe/ixgbe_main.c
View File

@ -954,17 +954,13 @@ static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector,
bool is_vlan = (status & IXGBE_RXD_STAT_VP);
u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_gro_receive(napi, adapter->vlgrp, tag, skb);
else
napi_gro_receive(napi, skb);
} else {
if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
else
netif_rx(skb);
}
if (is_vlan && (tag & VLAN_VID_MASK))
__vlan_hwaccel_put_tag(skb, tag);
if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL))
napi_gro_receive(napi, skb);
else
netif_rx(skb);
}
/**
@ -3065,6 +3061,7 @@ static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
/* add VID to filter table */
hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, true);
set_bit(vid, adapter->active_vlans);
}
static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
@ -3073,16 +3070,9 @@ static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
struct ixgbe_hw *hw = &adapter->hw;
int pool_ndx = adapter->num_vfs;
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_disable(adapter);
vlan_group_set_device(adapter->vlgrp, vid, NULL);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable(adapter, true, true);
/* remove VID from filter table */
hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, false);
clear_bit(vid, adapter->active_vlans);
}
/**
@ -3092,27 +3082,45 @@ static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
u32 vlnctrl;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN);
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
}
/**
* ixgbe_vlan_filter_enable - helper to enable hw vlan filtering
* @adapter: driver data
*/
static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl |= IXGBE_VLNCTRL_VFE;
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
}
/**
* ixgbe_vlan_strip_disable - helper to disable hw vlan stripping
* @adapter: driver data
*/
static void ixgbe_vlan_strip_disable(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl;
int i, j;
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
vlnctrl &= ~IXGBE_VLNCTRL_VFE;
#ifdef CONFIG_IXGBE_DCB
if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
vlnctrl &= ~IXGBE_VLNCTRL_VME;
#endif
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl &= ~IXGBE_VLNCTRL_VME;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
break;
case ixgbe_mac_82599EB:
vlnctrl &= ~IXGBE_VLNCTRL_VFE;
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
#ifdef CONFIG_IXGBE_DCB
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
break;
#endif
for (i = 0; i < adapter->num_rx_queues; i++) {
j = adapter->rx_ring[i]->reg_idx;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
@ -3126,25 +3134,22 @@ static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter)
}
/**
* ixgbe_vlan_filter_enable - helper to enable hw vlan filtering
* ixgbe_vlan_strip_enable - helper to enable hw vlan stripping
* @adapter: driver data
*/
static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter)
static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
u32 vlnctrl;
int i, j;
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
vlnctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
vlnctrl |= IXGBE_VLNCTRL_VME;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
break;
case ixgbe_mac_82599EB:
vlnctrl |= IXGBE_VLNCTRL_VFE;
vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
for (i = 0; i < adapter->num_rx_queues; i++) {
j = adapter->rx_ring[i]->reg_idx;
vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
@ -3157,40 +3162,14 @@ static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter)
}
}
static void ixgbe_vlan_rx_register(struct net_device *netdev,
struct vlan_group *grp)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_disable(adapter);
adapter->vlgrp = grp;
/*
* For a DCB driver, always enable VLAN tag stripping so we can
* still receive traffic from a DCB-enabled host even if we're
* not in DCB mode.
*/
ixgbe_vlan_filter_enable(adapter);
ixgbe_vlan_rx_add_vid(netdev, 0);
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable(adapter, true, true);
}
static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter)
{
ixgbe_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;
ixgbe_vlan_rx_add_vid(adapter->netdev, vid);
}
}
ixgbe_vlan_rx_add_vid(adapter->netdev, 0);
for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
ixgbe_vlan_rx_add_vid(adapter->netdev, vid);
}
/**
@ -3305,6 +3284,11 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
}
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
if (netdev->features & NETIF_F_HW_VLAN_RX)
ixgbe_vlan_strip_enable(adapter);
else
ixgbe_vlan_strip_disable(adapter);
}
static void ixgbe_napi_enable_all(struct ixgbe_adapter *adapter)
@ -3388,7 +3372,7 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), txdctl);
}
/* Enable VLAN tag insert/strip */
ixgbe_vlan_filter_enable(adapter);
adapter->netdev->features |= NETIF_F_HW_VLAN_RX;
hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);
}
@ -3400,13 +3384,13 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
int i;
ixgbe_set_rx_mode(netdev);
ixgbe_restore_vlan(adapter);
#ifdef CONFIG_IXGBE_DCB
ixgbe_configure_dcb(adapter);
#endif
ixgbe_set_rx_mode(netdev);
ixgbe_restore_vlan(adapter);
#ifdef IXGBE_FCOE
if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
ixgbe_configure_fcoe(adapter);
@ -6569,7 +6553,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_set_mac_address = ixgbe_set_mac,
.ndo_change_mtu = ixgbe_change_mtu,
.ndo_tx_timeout = ixgbe_tx_timeout,
.ndo_vlan_rx_register = ixgbe_vlan_rx_register,
.ndo_vlan_rx_add_vid = ixgbe_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ixgbe_vlan_rx_kill_vid,
.ndo_do_ioctl = ixgbe_ioctl,