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Date: Wed, 20 Jul 2011 16:54:15 +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
Subject: [patch net-next-2.6 13/47] chelsio: do vlan cleanup
- unify vlan and nonvlan rx path
- kill adapter->vlan_grp and t1_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/chelsio/common.h | 2 --
drivers/net/chelsio/cxgb2.c | 39 +++++++++++++++++++++++++--------------
drivers/net/chelsio/sge.c | 18 ++++++++----------
drivers/net/chelsio/sge.h | 2 +-
4 files changed, 34 insertions(+), 27 deletions(-)
diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h
index c26d863..5ccbed1 100644
--- a/drivers/net/chelsio/common.h
+++ b/drivers/net/chelsio/common.h
@@ -240,8 +240,6 @@ struct adapter {
struct work_struct ext_intr_handler_task;
struct adapter_params params;
- struct vlan_group *vlan_grp;
-
/* Terminator modules. */
struct sge *sge;
struct peespi *espi;
diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index b422d83..3edbbc4 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -263,6 +263,8 @@ static int cxgb_open(struct net_device *dev)
if (!other_ports && adapter->params.stats_update_period)
schedule_mac_stats_update(adapter,
adapter->params.stats_update_period);
+
+ t1_vlan_mode(adapter, dev->features);
return 0;
}
@@ -849,19 +851,30 @@ static int t1_set_mac_addr(struct net_device *dev, void *p)
return 0;
}
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
-static void t1_vlan_rx_register(struct net_device *dev,
- struct vlan_group *grp)
+static u32 t1_fix_features(struct net_device *dev, u32 features)
{
- struct adapter *adapter = dev->ml_priv;
+ /*
+ * 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;
- spin_lock_irq(&adapter->async_lock);
- adapter->vlan_grp = grp;
- t1_set_vlan_accel(adapter, grp != NULL);
- spin_unlock_irq(&adapter->async_lock);
+ return features;
}
-#endif
+static int t1_set_features(struct net_device *dev, u32 features)
+{
+ u32 changed = dev->features ^ features;
+ struct adapter *adapter = dev->ml_priv;
+
+ if (changed & NETIF_F_HW_VLAN_RX)
+ t1_vlan_mode(adapter, features);
+
+ return 0;
+}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void t1_netpoll(struct net_device *dev)
{
@@ -955,9 +968,8 @@ static const struct net_device_ops cxgb_netdev_ops = {
.ndo_do_ioctl = t1_ioctl,
.ndo_change_mtu = t1_change_mtu,
.ndo_set_mac_address = t1_set_mac_addr,
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
- .ndo_vlan_rx_register = t1_vlan_rx_register,
-#endif
+ .ndo_fix_features = t1_fix_features,
+ .ndo_set_features = t1_set_features,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = t1_netpoll,
#endif
@@ -1080,10 +1092,9 @@ static int __devinit init_one(struct pci_dev *pdev,
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
if (vlan_tso_capable(adapter)) {
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
netdev->features |=
NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-#endif
+ netdev->hw_features |= NETIF_F_HW_VLAN_RX;
/* T204: disable TSO */
if (!(is_T2(adapter)) || bi->port_number != 4) {
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 58380d2..e9a03ff 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -742,13 +742,14 @@ static inline void setup_ring_params(struct adapter *adapter, u64 addr,
/*
* Enable/disable VLAN acceleration.
*/
-void t1_set_vlan_accel(struct adapter *adapter, int on_off)
+void t1_vlan_mode(struct adapter *adapter, u32 features)
{
struct sge *sge = adapter->sge;
- sge->sge_control &= ~F_VLAN_XTRACT;
- if (on_off)
+ if (features & NETIF_F_HW_VLAN_RX)
sge->sge_control |= F_VLAN_XTRACT;
+ else
+ sge->sge_control &= ~F_VLAN_XTRACT;
if (adapter->open_device_map) {
writel(sge->sge_control, adapter->regs + A_SG_CONTROL);
readl(adapter->regs + A_SG_CONTROL); /* flush */
@@ -1397,12 +1398,11 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len)
} else
skb_checksum_none_assert(skb);
- if (unlikely(adapter->vlan_grp && p->vlan_valid)) {
+ if (p->vlan_valid) {
st->vlan_xtract++;
- vlan_hwaccel_receive_skb(skb, adapter->vlan_grp,
- ntohs(p->vlan));
- } else
- netif_receive_skb(skb);
+ __vlan_hwaccel_put_tag(skb, ntohs(p->vlan));
+ }
+ netif_receive_skb(skb);
}
/*
@@ -1875,13 +1875,11 @@ netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
cpl->iff = dev->if_port;
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
if (vlan_tx_tag_present(skb)) {
cpl->vlan_valid = 1;
cpl->vlan = htons(vlan_tx_tag_get(skb));
st->vlan_insert++;
} else
-#endif
cpl->vlan_valid = 0;
send:
diff --git a/drivers/net/chelsio/sge.h b/drivers/net/chelsio/sge.h
index 00cc37f..e03980b 100644
--- a/drivers/net/chelsio/sge.h
+++ b/drivers/net/chelsio/sge.h
@@ -79,7 +79,7 @@ irqreturn_t t1_interrupt(int irq, void *cookie);
int t1_poll(struct napi_struct *, int);
netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
-void t1_set_vlan_accel(struct adapter *adapter, int on_off);
+void t1_vlan_mode(struct adapter *adapter, u32 features);
void t1_sge_start(struct sge *);
void t1_sge_stop(struct sge *);
int t1_sge_intr_error_handler(struct sge *);
--
1.7.6
--
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