atl1: do vlan cleanup

- unify vlan and nonvlan rx path
- kill adapter->vlgrp and atlx_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>

diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index cd5789f..6f0e940 100644 (file)
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1285,8 +1285,7 @@ static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter)
        value |= (((u32) adapter->hw.preamble_len
                   & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
        /* vlan */
-       if (adapter->vlgrp)
-               value |= MAC_CTRL_RMV_VLAN;
+       __atlx_vlan_mode(netdev->features, &value);
        /* rx checksum
           if (adapter->rx_csum)
           value |= MAC_CTRL_RX_CHKSUM_EN;
@@ -2023,13 +2022,14 @@ rrd_ok:
                atl1_rx_checksum(adapter, rrd, skb);
                skb->protocol = eth_type_trans(skb, adapter->netdev);
 
-               if (adapter->vlgrp && (rrd->pkt_flg & PACKET_FLAG_VLAN_INS)) {
+               if (rrd->pkt_flg & PACKET_FLAG_VLAN_INS) {
                        u16 vlan_tag = (rrd->vlan_tag >> 4) |
                                        ((rrd->vlan_tag & 7) << 13) |
                                        ((rrd->vlan_tag & 8) << 9);
-                       vlan_hwaccel_rx(skb, adapter->vlgrp, vlan_tag);
-               } else
-                       netif_rx(skb);
+
+                       __vlan_hwaccel_put_tag(skb, vlan_tag);
+               }
+               netif_rx(skb);
 
                /* let protocol layer free skb */
                buffer_info->skb = NULL;
@@ -2783,8 +2783,7 @@ static int atl1_suspend(struct device *dev)
                        ctrl |= MAC_CTRL_DUPLX;
                ctrl |= (((u32)adapter->hw.preamble_len &
                        MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
-               if (adapter->vlgrp)
-                       ctrl |= MAC_CTRL_RMV_VLAN;
+               __atlx_vlan_mode(netdev->features, &ctrl);
                if (wufc & ATLX_WUFC_MAG)
                        ctrl |= MAC_CTRL_BC_EN;
                iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL);
@@ -2874,9 +2873,10 @@ static const struct net_device_ops atl1_netdev_ops = {
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_mac_address    = atl1_set_mac,
        .ndo_change_mtu         = atl1_change_mtu,
+       .ndo_fix_features       = atlx_fix_features,
+       .ndo_set_features       = atlx_set_features,
        .ndo_do_ioctl           = atlx_ioctl,
        .ndo_tx_timeout         = atlx_tx_timeout,
-       .ndo_vlan_rx_register   = atlx_vlan_rx_register,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = atl1_poll_controller,
 #endif
@@ -2984,7 +2984,8 @@ static int __devinit atl1_probe(struct pci_dev *pdev,
        netdev->features |= NETIF_F_SG;
        netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
 
-       netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO;
+       netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO |
+                             NETIF_F_HW_VLAN_RX;
 
        /* is this valid? see atl1_setup_mac_ctrl() */
        netdev->features |= NETIF_F_RXCSUM;

diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h
index 68de8cb..109d6da 100644 (file)
--- a/drivers/net/atlx/atl1.h
+++ b/drivers/net/atlx/atl1.h
@@ -753,7 +753,6 @@ struct atl1_adapter {
        struct pci_dev *pdev;
 
        struct atl1_sft_stats soft_stats;
-       struct vlan_group *vlgrp;
        u32 rx_buffer_len;
        u32 wol;
        u16 link_speed;

diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c
index afb7f7d..aabcf4b 100644 (file)
--- a/drivers/net/atlx/atlx.c
+++ b/drivers/net/atlx/atlx.c
@@ -211,8 +211,18 @@ static void atlx_link_chg_task(struct work_struct *work)
        spin_unlock_irqrestore(&adapter->lock, flags);
 }
 
-static void atlx_vlan_rx_register(struct net_device *netdev,
-       struct vlan_group *grp)
+static void __atlx_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 atlx_vlan_mode(struct net_device *netdev, u32 features)
 {
        struct atlx_adapter *adapter = netdev_priv(netdev);
        unsigned long flags;
@@ -220,27 +230,40 @@ static void atlx_vlan_rx_register(struct net_device *netdev,
 
        spin_lock_irqsave(&adapter->lock, flags);
        /* atlx_irq_disable(adapter); FIXME: confirm/remove */
-       adapter->vlgrp = grp;
-
-       if (grp) {
-               /* enable VLAN tag insert/strip */
-               ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL);
-               ctrl |= MAC_CTRL_RMV_VLAN;
-               iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL);
-       } else {
-               /* disable VLAN tag insert/strip */
-               ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL);
-               ctrl &= ~MAC_CTRL_RMV_VLAN;
-               iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL);
-       }
-
+       ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL);
+       __atlx_vlan_mode(features, &ctrl);
+       iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL);
        /* atlx_irq_enable(adapter); FIXME */
        spin_unlock_irqrestore(&adapter->lock, flags);
 }
 
 static void atlx_restore_vlan(struct atlx_adapter *adapter)
 {
-       atlx_vlan_rx_register(adapter->netdev, adapter->vlgrp);
+       atlx_vlan_mode(adapter->netdev, adapter->netdev->features);
+}
+
+static u32 atlx_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 atlx_set_features(struct net_device *netdev, u32 features)
+{
+       u32 changed = netdev->features ^ features;
+
+       if (changed & NETIF_F_HW_VLAN_RX)
+               atlx_vlan_mode(netdev, features);
+
+       return 0;
 }
 
 #endif /* ATLX_C */