diff options
Diffstat (limited to 'br-nf-bds/linux/include/linux/netfilter_ipv4.h')
| -rw-r--r-- | br-nf-bds/linux/include/linux/netfilter_ipv4.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/br-nf-bds/linux/include/linux/netfilter_ipv4.h b/br-nf-bds/linux/include/linux/netfilter_ipv4.h new file mode 100644 index 0000000..946190a --- /dev/null +++ b/br-nf-bds/linux/include/linux/netfilter_ipv4.h @@ -0,0 +1,80 @@ +#ifndef __LINUX_IP_NETFILTER_H +#define __LINUX_IP_NETFILTER_H + +/* IPv4-specific defines for netfilter. + * (C)1998 Rusty Russell -- This code is GPL. + */ + +#include <linux/config.h> +#include <linux/netfilter.h> + +/* IP Cache bits. */ +/* Src IP address. */ +#define NFC_IP_SRC 0x0001 +/* Dest IP address. */ +#define NFC_IP_DST 0x0002 +/* Input device. */ +#define NFC_IP_IF_IN 0x0004 +/* Output device. */ +#define NFC_IP_IF_OUT 0x0008 +/* TOS. */ +#define NFC_IP_TOS 0x0010 +/* Protocol. */ +#define NFC_IP_PROTO 0x0020 +/* IP options. */ +#define NFC_IP_OPTIONS 0x0040 +/* Frag & flags. */ +#define NFC_IP_FRAG 0x0080 + +/* Per-protocol information: only matters if proto match. */ +/* TCP flags. */ +#define NFC_IP_TCPFLAGS 0x0100 +/* Source port. */ +#define NFC_IP_SRC_PT 0x0200 +/* Dest port. */ +#define NFC_IP_DST_PT 0x0400 +/* Something else about the proto */ +#define NFC_IP_PROTO_UNKNOWN 0x2000 + +/* IP Hooks */ +/* After promisc drops, checksum checks. */ +#define NF_IP_PRE_ROUTING 0 +/* If the packet is destined for this box. */ +#define NF_IP_LOCAL_IN 1 +/* If the packet is destined for another interface. */ +#define NF_IP_FORWARD 2 +/* Packets coming from a local process. */ +#define NF_IP_LOCAL_OUT 3 +/* Packets about to hit the wire. */ +#define NF_IP_POST_ROUTING 4 +#define NF_IP_NUMHOOKS 5 + +enum nf_ip_hook_priorities { + NF_IP_PRI_FIRST = INT_MIN, + NF_IP_PRI_CONNTRACK = -200, + NF_IP_PRI_BRIDGE_SABOTAGE_FORWARD = -175, + NF_IP_PRI_MANGLE = -150, + NF_IP_PRI_NAT_DST = -100, + NF_IP_PRI_BRIDGE_SABOTAGE = -50, + NF_IP_PRI_FILTER = 0, + NF_IP_PRI_NAT_SRC = 100, + NF_IP_PRI_LAST = INT_MAX, +}; + +/* Arguments for setsockopt SOL_IP: */ +/* 2.0 firewalling went from 64 through 71 (and +256, +512, etc). */ +/* 2.2 firewalling (+ masq) went from 64 through 76 */ +/* 2.4 firewalling went 64 through 67. */ +#define SO_ORIGINAL_DST 80 + +#ifdef __KERNEL__ +#ifdef CONFIG_NETFILTER_DEBUG +void nf_debug_ip_local_deliver(struct sk_buff *skb); +void nf_debug_ip_loopback_xmit(struct sk_buff *newskb); +void nf_debug_ip_finish_output2(struct sk_buff *skb); +#endif /*CONFIG_NETFILTER_DEBUG*/ + +extern int ip_route_me_harder(struct sk_buff **pskb); +#endif /*__KERNEL__*/ + +#endif /*__LINUX_IP_NETFILTER_H*/ |