diff options
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r-- | net/8021q/vlan_dev.c | 51 |
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; } |