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| author | Patrick McHardy <kaber@trash.net> | 2008-07-08 03:23:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-08 03:23:57 -0700 |
| commit | 22d1ba74bbafa96d3f425cc12714d3fe8675183f (patch) | |
| tree | 5fdc18001037a667e95229dbc34130b7210e8c8c /net/8021q/vlan.h | |
| parent | 7750f403cbe56971336d575b354365190b4e3227 (diff) | |
| download | lwn-22d1ba74bbafa96d3f425cc12714d3fe8675183f.tar.gz lwn-22d1ba74bbafa96d3f425cc12714d3fe8675183f.zip | |
vlan: move struct vlan_dev_info to private header
Hide struct vlan_dev_info from drivers to prevent them from growing
more creative ways to use it. Provide accessors for the two drivers
that currently use it.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan.h')
| -rw-r--r-- | net/8021q/vlan.h | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 7cc1a97c42fc..14c421e033f2 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -3,6 +3,55 @@ #include <linux/if_vlan.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; + unsigned short vlan_qos; + struct vlan_priority_tci_mapping *next; +}; + +/** + * struct vlan_dev_info - 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_id: VLAN identifier + * @flags: device flags + * @real_dev: underlying netdevice + * @real_dev_addr: address of underlying netdevice + * @dent: proc dir entry + * @cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX + * @cnt_encap_on_xmit: statistic - number of skb encapsulations on TX + */ +struct vlan_dev_info { + unsigned int nr_ingress_mappings; + u32 ingress_priority_map[8]; + unsigned int nr_egress_mappings; + struct vlan_priority_tci_mapping *egress_priority_map[16]; + + unsigned short vlan_id; + unsigned short flags; + + struct net_device *real_dev; + unsigned char real_dev_addr[ETH_ALEN]; + + struct proc_dir_entry *dent; + unsigned long cnt_inc_headroom_on_tx; + unsigned long cnt_encap_on_xmit; +}; + +static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) +{ + return netdev_priv(dev); +} + #define VLAN_GRP_HASH_SHIFT 5 #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) @@ -30,7 +79,6 @@ int vlan_dev_set_egress_priority(const struct net_device *dev, u32 skb_prio, short vlan_prio); int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); -void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result); int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id); void vlan_setup(struct net_device *dev); |