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Date: Wed, 20 Jul 2011 16:54:34 +0200
From: Jiri Pirko <jpirko@...hat.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, shemminger@...ux-foundation.org,
eric.dumazet@...il.com, greearb@...delatech.com, mirqus@...il.com,
jcliburn@...il.com, chris.snook@...il.com, jie.yang@...eros.com
Subject: [patch net-next-2.6 32/47] atl2: do vlan cleanup
- 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@...hat.com>
---
drivers/net/atlx/atl2.c | 78 +++++++++++++++++++++++++++++------------------
drivers/net/atlx/atl2.h | 3 --
2 files changed, 48 insertions(+), 33 deletions(-)
diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c
index 24e1592..e0f87cf 100644
--- a/drivers/net/atlx/atl2.c
+++ b/drivers/net/atlx/atl2.c
@@ -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 */
diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h
index 927e4de..78344dd 100644
--- a/drivers/net/atlx/atl2.h
+++ b/drivers/net/atlx/atl2.h
@@ -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;
--
1.7.6
--
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