diff options
| -rw-r--r-- | include/linux/if_vlan.h | 98 | ||||
| -rw-r--r-- | net/8021q/vlan.h | 77 | ||||
| -rw-r--r-- | net/8021q/vlan_dev.c | 31 |
3 files changed, 99 insertions, 107 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index f3088a0112cf..f252deb99454 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -88,8 +88,102 @@ extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, __be16 vlan_proto, u16 vlan_id); extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); extern u16 vlan_dev_vlan_id(const struct net_device *dev); -extern u16 vlan_dev_get_egress_qos_mask(struct net_device *dev, - u32 skprio); + +/** + * struct vlan_priority_tci_mapping - vlan egress priority mappings + * @priority: skb priority + * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 + * @next: pointer to next struct + */ +struct vlan_priority_tci_mapping { + u32 priority; + u16 vlan_qos; + struct vlan_priority_tci_mapping *next; +}; + +/** + * struct vlan_pcpu_stats - VLAN percpu rx/tx stats + * @rx_packets: number of received packets + * @rx_bytes: number of received bytes + * @rx_multicast: number of received multicast packets + * @tx_packets: number of transmitted packets + * @tx_bytes: number of transmitted bytes + * @syncp: synchronization point for 64bit counters + * @rx_errors: number of rx errors + * @tx_dropped: number of tx drops + */ +struct vlan_pcpu_stats { + u64 rx_packets; + u64 rx_bytes; + u64 rx_multicast; + u64 tx_packets; + u64 tx_bytes; + struct u64_stats_sync syncp; + u32 rx_errors; + u32 tx_dropped; +}; + +struct proc_dir_entry; +struct netpoll; + +/** + * struct vlan_dev_priv - VLAN private device data + * @nr_ingress_mappings: number of ingress priority mappings + * @ingress_priority_map: ingress priority mappings + * @nr_egress_mappings: number of egress priority mappings + * @egress_priority_map: hash of egress priority mappings + * @vlan_proto: VLAN encapsulation protocol + * @vlan_id: VLAN identifier + * @flags: device flags + * @real_dev: underlying netdevice + * @real_dev_addr: address of underlying netdevice + * @dent: proc dir entry + * @vlan_pcpu_stats: ptr to percpu rx stats + */ +struct vlan_dev_priv { + unsigned int nr_ingress_mappings; + u32 ingress_priority_map[8]; + unsigned int nr_egress_mappings; + struct vlan_priority_tci_mapping *egress_priority_map[16]; + + __be16 vlan_proto; + u16 vlan_id; + u16 flags; + + struct net_device *real_dev; + unsigned char real_dev_addr[ETH_ALEN]; + + struct proc_dir_entry *dent; + struct vlan_pcpu_stats __percpu *vlan_pcpu_stats; +#ifdef CONFIG_NET_POLL_CONTROLLER + struct netpoll *netpoll; +#endif +}; + +static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev) +{ + return netdev_priv(dev); +} + +static inline u16 +vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) +{ + 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[(skprio & 0xF)]; + while (mp) { + if (mp->priority == skprio) { + return mp->vlan_qos; /* This should already be shifted + * to mask correctly with the + * VLAN's TCI */ + } + mp = mp->next; + } + return 0; +} + extern bool vlan_do_receive(struct sk_buff **skb); extern struct sk_buff *vlan_untag(struct sk_buff *skb); diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index a2caf00b82cc..5704ed9c3a23 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -5,83 +5,6 @@ #include <linux/u64_stats_sync.h> #include <linux/list.h> - -/** - * struct vlan_priority_tci_mapping - vlan egress priority mappings - * @priority: skb priority - * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 - * @next: pointer to next struct - */ -struct vlan_priority_tci_mapping { - u32 priority; - u16 vlan_qos; - struct vlan_priority_tci_mapping *next; -}; - - -/** - * struct vlan_pcpu_stats - VLAN percpu rx/tx stats - * @rx_packets: number of received packets - * @rx_bytes: number of received bytes - * @rx_multicast: number of received multicast packets - * @tx_packets: number of transmitted packets - * @tx_bytes: number of transmitted bytes - * @syncp: synchronization point for 64bit counters - * @rx_errors: number of rx errors - * @tx_dropped: number of tx drops - */ -struct vlan_pcpu_stats { - u64 rx_packets; - u64 rx_bytes; - u64 rx_multicast; - u64 tx_packets; - u64 tx_bytes; - struct u64_stats_sync syncp; - u32 rx_errors; - u32 tx_dropped; -}; - -struct netpoll; - -/** - * struct vlan_dev_priv - VLAN private device data - * @nr_ingress_mappings: number of ingress priority mappings - * @ingress_priority_map: ingress priority mappings - * @nr_egress_mappings: number of egress priority mappings - * @egress_priority_map: hash of egress priority mappings - * @vlan_proto: VLAN encapsulation protocol - * @vlan_id: VLAN identifier - * @flags: device flags - * @real_dev: underlying netdevice - * @real_dev_addr: address of underlying netdevice - * @dent: proc dir entry - * @vlan_pcpu_stats: ptr to percpu rx stats - */ -struct vlan_dev_priv { - unsigned int nr_ingress_mappings; - u32 ingress_priority_map[8]; - unsigned int nr_egress_mappings; - struct vlan_priority_tci_mapping *egress_priority_map[16]; - - __be16 vlan_proto; - u16 vlan_id; - u16 flags; - - struct net_device *real_dev; - unsigned char real_dev_addr[ETH_ALEN]; - - struct proc_dir_entry *dent; - struct vlan_pcpu_stats __percpu *vlan_pcpu_stats; -#ifdef CONFIG_NET_POLL_CONTROLLER - struct netpoll *netpoll; -#endif -}; - -static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev) -{ - return netdev_priv(dev); -} - /* if this changes, algorithm will have to be reworked because this * depends on completely exhausting the VLAN identifier space. Thus * it gives constant time look-up, but in many cases it wastes memory. diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 13904a414929..8db1b985dbf1 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -68,31 +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, u32 skprio) -{ - 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[(skprio & 0xF)]; - while (mp) { - if (mp->priority == skprio) { - return mp->vlan_qos; /* This should already be shifted - * to mask correctly with the - * VLAN's TCI */ - } - mp = mp->next; - } - return 0; -} - -u16 vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) -{ - return __vlan_dev_get_egress_qos_mask(dev, skprio); -} -EXPORT_SYMBOL(vlan_dev_get_egress_qos_mask); - /* * Create the VLAN header for an arbitrary protocol layer * @@ -117,7 +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->priority); + vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority); vhdr->h_vlan_TCI = htons(vlan_tci); /* @@ -174,7 +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->priority); + vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority); skb = __vlan_hwaccel_put_tag(skb, vlan->vlan_proto, vlan_tci); } @@ -259,7 +234,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev, np->vlan_qos = vlan_qos; /* Before inserting this element in hash table, make sure all its fields * are committed to memory. - * coupled with smp_rmb() in __vlan_dev_get_egress_qos_mask() + * coupled with smp_rmb() in vlan_dev_get_egress_qos_mask() */ smp_wmb(); vlan->egress_priority_map[skb_prio & 0xF] = np; |