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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
commit | a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch) | |
tree | 8feaf1a1932871b139b3b30be4c09c66489918be /include/uapi/linux/netfilter_ipv4.h | |
parent | Initial commit. (diff) | |
download | iproute2-upstream/6.1.0.tar.xz iproute2-upstream/6.1.0.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/uapi/linux/netfilter_ipv4.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter_ipv4.h b/include/uapi/linux/netfilter_ipv4.h new file mode 100644 index 0000000..96979e3 --- /dev/null +++ b/include/uapi/linux/netfilter_ipv4.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* IPv4-specific defines for netfilter. + * (C)1998 Rusty Russell -- This code is GPL. + */ +#ifndef __LINUX_IP_NETFILTER_H +#define __LINUX_IP_NETFILTER_H + + +#include <linux/netfilter.h> + +/* only for userspace compatibility */ + +#include <limits.h> /* for INT_MIN, INT_MAX */ + +/* 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_RAW_BEFORE_DEFRAG = -450, + NF_IP_PRI_CONNTRACK_DEFRAG = -400, + NF_IP_PRI_RAW = -300, + NF_IP_PRI_SELINUX_FIRST = -225, + NF_IP_PRI_CONNTRACK = -200, + NF_IP_PRI_MANGLE = -150, + NF_IP_PRI_NAT_DST = -100, + NF_IP_PRI_FILTER = 0, + NF_IP_PRI_SECURITY = 50, + NF_IP_PRI_NAT_SRC = 100, + NF_IP_PRI_SELINUX_LAST = 225, + NF_IP_PRI_CONNTRACK_HELPER = 300, + NF_IP_PRI_CONNTRACK_CONFIRM = INT_MAX, + 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 + + +#endif /* __LINUX_IP_NETFILTER_H */ |