From c94007f72f720286daf78aff2b7718173a404da1 Mon Sep 17 00:00:00 2001 From: Bart De Schuymer Date: Sat, 19 Oct 2002 11:02:52 +0000 Subject: *** empty log message *** --- .../linux2.5/include/linux/netfilter_bridge.h | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 br-nf-bds/linux2.5/include/linux/netfilter_bridge.h (limited to 'br-nf-bds/linux2.5') diff --git a/br-nf-bds/linux2.5/include/linux/netfilter_bridge.h b/br-nf-bds/linux2.5/include/linux/netfilter_bridge.h new file mode 100644 index 0000000..ca76e90 --- /dev/null +++ b/br-nf-bds/linux2.5/include/linux/netfilter_bridge.h @@ -0,0 +1,63 @@ +#ifndef __LINUX_BRIDGE_NETFILTER_H +#define __LINUX_BRIDGE_NETFILTER_H + +/* bridge-specific defines for netfilter. + */ + +#include +#include +#include + +/* Bridge Hooks */ +/* After promisc drops, checksum checks. */ +#define NF_BR_PRE_ROUTING 0 +/* If the packet is destined for this box. */ +#define NF_BR_LOCAL_IN 1 +/* If the packet is destined for another interface. */ +#define NF_BR_FORWARD 2 +/* Packets coming from a local process. */ +#define NF_BR_LOCAL_OUT 3 +/* Packets about to hit the wire. */ +#define NF_BR_POST_ROUTING 4 +/* Not really a hook, but used for the ebtables broute table */ +#define NF_BR_BROUTING 5 +#define NF_BR_NUMHOOKS 6 + +#define BRNF_PKT_TYPE 0x01 +#define BRNF_BRIDGED_DNAT 0x02 +#define BRNF_DONT_TAKE_PARENT 0x04 +#define BRNF_COPY_HEADER 0x08 + +enum nf_br_hook_priorities { + NF_BR_PRI_FIRST = INT_MIN, + NF_BR_PRI_NAT_DST_BRIDGED = -300, + NF_BR_PRI_FILTER_BRIDGED = -200, + NF_BR_PRI_BRNF = 0, + NF_BR_PRI_NAT_DST_OTHER = 100, + NF_BR_PRI_FILTER_OTHER = 200, + NF_BR_PRI_NAT_SRC = 300, + NF_BR_PRI_LAST = INT_MAX, +}; + +/* Used in br_netfilter.c */ +static inline +struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb) +{ + struct nf_bridge_info **nf_bridge = &(skb->nf_bridge); + + if ((*nf_bridge = kmalloc(sizeof(**nf_bridge), GFP_ATOMIC)) != NULL) { + atomic_set(&(*nf_bridge)->use, 1); + (*nf_bridge)->mask = 0; + (*nf_bridge)->physindev = (*nf_bridge)->physoutdev = NULL; + } + + return *nf_bridge; +} + +struct bridge_skb_cb { + union { + __u32 ipv4; + } daddr; +}; + +#endif -- cgit v1.2.3