diff options
| -rw-r--r-- | include/linux/if_vlan.h | 14 | ||||
| -rw-r--r-- | net/8021q/vlan.h | 2 | ||||
| -rw-r--r-- | net/8021q/vlan_dev.c | 2 | ||||
| -rw-r--r-- | net/core/dev.c | 2 | ||||
| -rw-r--r-- | net/packet/af_packet.c | 5 |
5 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 7ff9af1d0f05..8898cbebcf34 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -63,7 +63,11 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb) return (struct vlan_ethhdr *)skb_mac_header(skb); } -#define VLAN_VID_MASK 0xfff +#define VLAN_PRIO_MASK 0xe000 /* Priority Code Point */ +#define VLAN_PRIO_SHIFT 13 +#define VLAN_CFI_MASK 0x1000 /* Canonical Format Indicator */ +#define VLAN_TAG_PRESENT VLAN_CFI_MASK +#define VLAN_VID_MASK 0x0fff /* VLAN Identifier */ /* found in socket.c */ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *)); @@ -105,8 +109,8 @@ static inline void vlan_group_set_device(struct vlan_group *vg, array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev; } -#define vlan_tx_tag_present(__skb) ((__skb)->vlan_tci) -#define vlan_tx_tag_get(__skb) ((__skb)->vlan_tci) +#define vlan_tx_tag_present(__skb) ((__skb)->vlan_tci & VLAN_TAG_PRESENT) +#define vlan_tx_tag_get(__skb) ((__skb)->vlan_tci & ~VLAN_TAG_PRESENT) #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); @@ -231,7 +235,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci) static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, u16 vlan_tci) { - skb->vlan_tci = vlan_tci; + skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci; return skb; } @@ -284,7 +288,7 @@ static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb, u16 *vlan_tci) { if (vlan_tx_tag_present(skb)) { - *vlan_tci = skb->vlan_tci; + *vlan_tci = vlan_tx_tag_get(skb); return 0; } else { *vlan_tci = 0; diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 82570bc2a180..4ade5edf1033 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -89,7 +89,7 @@ static inline u32 vlan_get_ingress_priority(struct net_device *dev, { struct vlan_dev_info *vip = vlan_dev_info(dev); - return vip->ingress_priority_map[(vlan_tci >> 13) & 0x7]; + return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7]; } #ifdef CONFIG_VLAN_8021Q_GVRP diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 4198ec5c8abc..e3701977f58d 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -393,7 +393,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev, struct vlan_dev_info *vlan = vlan_dev_info(dev); struct vlan_priority_tci_mapping *mp = NULL; struct vlan_priority_tci_mapping *np; - u32 vlan_qos = (vlan_prio << 13) & 0xE000; + u32 vlan_qos = (vlan_prio << VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK; /* See if a priority mapping exists.. */ mp = vlan->egress_priority_map[skb_prio & 0xF]; diff --git a/net/core/dev.c b/net/core/dev.c index e7bada1d5ed9..950c13fa60d2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2300,7 +2300,7 @@ int netif_receive_skb(struct sk_buff *skb) if (!skb->tstamp.tv64) net_timestamp(skb); - if (skb->vlan_tci && vlan_hwaccel_do_receive(skb)) + if (vlan_tx_tag_present(skb) && vlan_hwaccel_do_receive(skb)) return NET_RX_SUCCESS; /* if we've gotten here through NAPI, check netpoll */ diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index ff752c606413..33e68f20ec61 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -79,6 +79,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/mutex.h> +#include <linux/if_vlan.h> #ifdef CONFIG_INET #include <net/inet_common.h> @@ -766,7 +767,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, getnstimeofday(&ts); h.h2->tp_sec = ts.tv_sec; h.h2->tp_nsec = ts.tv_nsec; - h.h2->tp_vlan_tci = skb->vlan_tci; + h.h2->tp_vlan_tci = vlan_tx_tag_get(skb); hdrlen = sizeof(*h.h2); break; default: @@ -1493,7 +1494,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, aux.tp_snaplen = skb->len; aux.tp_mac = 0; aux.tp_net = skb_network_offset(skb); - aux.tp_vlan_tci = skb->vlan_tci; + aux.tp_vlan_tci = vlan_tx_tag_get(skb); put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux); } |