summaryrefslogtreecommitdiffstats
path: root/net/8021q/vlan_dev.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c51
1 files changed, 28 insertions, 23 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 09bf1c38805b..47c908f1f626 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -68,25 +68,6 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb)
return 0;
}
-static inline u16
-vlan_dev_get_egress_qos_mask(struct net_device *dev, struct sk_buff *skb)
-{
- struct vlan_priority_tci_mapping *mp;
-
- smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */
-
- mp = vlan_dev_priv(dev)->egress_priority_map[(skb->priority & 0xF)];
- while (mp) {
- if (mp->priority == skb->priority) {
- return mp->vlan_qos; /* This should already be shifted
- * to mask correctly with the
- * VLAN's TCI */
- }
- mp = mp->next;
- }
- return 0;
-}
-
/*
* Create the VLAN header for an arbitrary protocol layer
*
@@ -111,7 +92,7 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);
vlan_tci = vlan->vlan_id;
- vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
+ vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
vhdr->h_vlan_TCI = htons(vlan_tci);
/*
@@ -168,7 +149,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
vlan->flags & VLAN_FLAG_REORDER_HDR) {
u16 vlan_tci;
vlan_tci = vlan->vlan_id;
- vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
+ vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
skb = __vlan_hwaccel_put_tag(skb, vlan->vlan_proto, vlan_tci);
}
@@ -549,6 +530,23 @@ static const struct header_ops vlan_header_ops = {
.parse = eth_header_parse,
};
+static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr,
+ unsigned int len)
+{
+ struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+ struct net_device *real_dev = vlan->real_dev;
+
+ return dev_hard_header(skb, real_dev, type, daddr, saddr, len);
+}
+
+static const struct header_ops vlan_passthru_header_ops = {
+ .create = vlan_passthru_hard_header,
+ .rebuild = dev_rebuild_header,
+ .parse = eth_header_parse,
+};
+
static struct device_type vlan_type = {
.name = "vlan",
};
@@ -558,7 +556,7 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- int subclass = 0;
+ int subclass = 0, i;
netif_carrier_off(dev);
@@ -592,7 +590,7 @@ static int vlan_dev_init(struct net_device *dev)
dev->needed_headroom = real_dev->needed_headroom;
if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
- dev->header_ops = real_dev->header_ops;
+ dev->header_ops = &vlan_passthru_header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
dev->header_ops = &vlan_header_ops;
@@ -612,6 +610,13 @@ static int vlan_dev_init(struct net_device *dev)
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
return -ENOMEM;
+ for_each_possible_cpu(i) {
+ struct vlan_pcpu_stats *vlan_stat;
+ vlan_stat = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i);
+ u64_stats_init(&vlan_stat->syncp);
+ }
+
+
return 0;
}