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atl2: do vlan cleanup

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- unify vlan and nonvlan rx path
- kill adapter->vlgrp and atl2_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 2011-07-20 04:54:34 +00:00 committed by David S. Miller
parent 924917098e
commit dc437974af
2 changed files with 48 additions and 33 deletions
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78
drivers/net/atlx/atl2.c
View File

@ -361,36 +361,59 @@ static inline void atl2_irq_disable(struct atl2_adapter *adapter)
synchronize_irq(adapter->pdev->irq);
}
#ifdef NETIF_F_HW_VLAN_TX
static void atl2_vlan_rx_register(struct net_device *netdev,
struct vlan_group *grp)
static void __atl2_vlan_mode(u32 features, u32 *ctrl)
{
if (features & NETIF_F_HW_VLAN_RX) {
/* enable VLAN tag insert/strip */
*ctrl |= MAC_CTRL_RMV_VLAN;
} else {
/* disable VLAN tag insert/strip */
*ctrl &= ~MAC_CTRL_RMV_VLAN;
}
}
static void atl2_vlan_mode(struct net_device *netdev, u32 features)
{
struct atl2_adapter *adapter = netdev_priv(netdev);
u32 ctrl;
atl2_irq_disable(adapter);
adapter->vlgrp = grp;
if (grp) {
/* enable VLAN tag insert/strip */
ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL);
ctrl |= MAC_CTRL_RMV_VLAN;
ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl);
} else {
/* disable VLAN tag insert/strip */
ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL);
ctrl &= ~MAC_CTRL_RMV_VLAN;
ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl);
}
ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL);
__atl2_vlan_mode(features, &ctrl);
ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl);
atl2_irq_enable(adapter);
}
static void atl2_restore_vlan(struct atl2_adapter *adapter)
{
atl2_vlan_rx_register(adapter->netdev, adapter->vlgrp);
atl2_vlan_mode(adapter->netdev, adapter->netdev->features);
}
static u32 atl2_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 atl2_set_features(struct net_device *netdev, u32 features)
{
u32 changed = netdev->features ^ features;
if (changed & NETIF_F_HW_VLAN_RX)
atl2_vlan_mode(netdev, features);
return 0;
}
#endif
static void atl2_intr_rx(struct atl2_adapter *adapter)
{
@ -424,14 +447,13 @@ static void atl2_intr_rx(struct atl2_adapter *adapter)
memcpy(skb->data, rxd->packet, rx_size);
skb_put(skb, rx_size);
skb->protocol = eth_type_trans(skb, netdev);
#ifdef NETIF_F_HW_VLAN_TX
if (adapter->vlgrp && (rxd->status.vlan)) {
if (rxd->status.vlan) {
u16 vlan_tag = (rxd->status.vtag>>4) |
((rxd->status.vtag&7) << 13) |
((rxd->status.vtag&8) << 9);
vlan_hwaccel_rx(skb, adapter->vlgrp, vlan_tag);
} else
#endif
__vlan_hwaccel_put_tag(skb, vlan_tag);
}
netif_rx(skb);
netdev->stats.rx_bytes += rx_size;
netdev->stats.rx_packets++;
@ -704,9 +726,7 @@ static int atl2_open(struct net_device *netdev)
atl2_set_multi(netdev);
init_ring_ptrs(adapter);
#ifdef NETIF_F_HW_VLAN_TX
atl2_restore_vlan(adapter);
#endif
if (atl2_configure(adapter)) {
err = -EIO;
@ -1082,9 +1102,7 @@ static int atl2_up(struct atl2_adapter *adapter)
atl2_set_multi(netdev);
init_ring_ptrs(adapter);
#ifdef NETIF_F_HW_VLAN_TX
atl2_restore_vlan(adapter);
#endif
if (atl2_configure(adapter)) {
err = -EIO;
@ -1145,8 +1163,7 @@ static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter)
MAC_CTRL_PRMLEN_SHIFT);
/* vlan */
if (adapter->vlgrp)
value |= MAC_CTRL_RMV_VLAN;
__atl2_vlan_mode(netdev->features, &value);
/* filter mode */
value |= MAC_CTRL_BC_EN;
@ -1312,9 +1329,10 @@ static const struct net_device_ops atl2_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = atl2_set_mac,
.ndo_change_mtu = atl2_change_mtu,
.ndo_fix_features = atl2_fix_features,
.ndo_set_features = atl2_set_features,
.ndo_do_ioctl = atl2_ioctl,
.ndo_tx_timeout = atl2_tx_timeout,
.ndo_vlan_rx_register = atl2_vlan_rx_register,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = atl2_poll_controller,
#endif
@ -1410,7 +1428,7 @@ static int __devinit atl2_probe(struct pci_dev *pdev,
err = -EIO;
netdev->hw_features = NETIF_F_SG;
netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX;
netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
/* Init PHY as early as possible due to power saving issue */

3
drivers/net/atlx/atl2.h
View File

@ -453,9 +453,6 @@ struct atl2_adapter {
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
#ifdef NETIF_F_HW_VLAN_TX
struct vlan_group *vlgrp;
#endif
u32 wol;
u16 link_speed;
u16 link_duplex;