projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __LINUX_BRIDGE_NETFILTER_H |
| 2 | #define __LINUX_BRIDGE_NETFILTER_H | |
| 3 | ||
| 607ca46e DH |
4 | #include <uapi/linux/netfilter_bridge.h> |
| 5 | ||
| 1da177e4 LT |
6 | |
| 7 | enum nf_br_hook_priorities { | |
| 8 | NF_BR_PRI_FIRST = INT_MIN, | |
| 9 | NF_BR_PRI_NAT_DST_BRIDGED = -300, | |
| 10 | NF_BR_PRI_FILTER_BRIDGED = -200, | |
| 11 | NF_BR_PRI_BRNF = 0, | |
| 12 | NF_BR_PRI_NAT_DST_OTHER = 100, | |
| 13 | NF_BR_PRI_FILTER_OTHER = 200, | |
| 14 | NF_BR_PRI_NAT_SRC = 300, | |
| 15 | NF_BR_PRI_LAST = INT_MAX, | |
| 16 | }; | |
| 17 | ||
| 34666d46 | 18 | #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) |
| 1da177e4 LT |
19 | |
| 20 | #define BRNF_PKT_TYPE 0x01 | |
| 21 | #define BRNF_BRIDGED_DNAT 0x02 | |
| ea2d9b41 | 22 | #define BRNF_NF_BRIDGE_PREROUTING 0x08 |
| e179e632 BDS |
23 | #define BRNF_8021Q 0x10 |
| 24 | #define BRNF_PPPoE 0x20 | |
| 1da177e4 | 25 | |
| 6c79bf0f BDS |
26 | static inline unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) |
| 27 | { | |
| 28 | if (unlikely(skb->nf_bridge->mask & BRNF_PPPoE)) | |
| 29 | return PPPOE_SES_HLEN; | |
| 30 | return 0; | |
| 31 | } | |
| 32 | ||
| a0f4ecf3 | 33 | int br_handle_frame_finish(struct sk_buff *skb); |
| ea2d9b41 | 34 | |
| a881e963 PHP |
35 | static inline void br_drop_fake_rtable(struct sk_buff *skb) |
| 36 | { | |
| 37 | struct dst_entry *dst = skb_dst(skb); | |
| 38 | ||
| 39 | if (dst && (dst->flags & DST_FAKE_RTABLE)) | |
| 40 | skb_dst_drop(skb); | |
| 41 | } | |
| 42 | ||
| 07317621 | 43 | #else |
| a881e963 | 44 | #define br_drop_fake_rtable(skb) do { } while (0) |
| 1da177e4 LT |
45 | #endif /* CONFIG_BRIDGE_NETFILTER */ |
| 46 | ||
| 1da177e4 | 47 | #endif |