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UAPI: (Scripted) Disintegrate include/linux/netfilter_bridge
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
This commit is contained in:
David Howells
parent
8922082ae6
commit
55c5cd3cc1
@ -1,18 +0,0 @@
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header-y += ebt_802_3.h
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header-y += ebt_among.h
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header-y += ebt_arp.h
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header-y += ebt_arpreply.h
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header-y += ebt_ip.h
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header-y += ebt_ip6.h
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header-y += ebt_limit.h
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header-y += ebt_log.h
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header-y += ebt_mark_m.h
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header-y += ebt_mark_t.h
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header-y += ebt_nat.h
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header-y += ebt_nflog.h
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header-y += ebt_pkttype.h
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header-y += ebt_redirect.h
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header-y += ebt_stp.h
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header-y += ebt_ulog.h
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header-y += ebt_vlan.h
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header-y += ebtables.h
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@ -1,70 +1,11 @@
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#ifndef __LINUX_BRIDGE_EBT_802_3_H
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#ifndef __LINUX_BRIDGE_EBT_802_3_H
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#define __LINUX_BRIDGE_EBT_802_3_H
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#define __LINUX_BRIDGE_EBT_802_3_H
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#include <linux/types.h>
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#define EBT_802_3_SAP 0x01
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#define EBT_802_3_TYPE 0x02
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#define EBT_802_3_MATCH "802_3"
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/*
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* If frame has DSAP/SSAP value 0xaa you must check the SNAP type
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* to discover what kind of packet we're carrying.
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*/
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#define CHECK_TYPE 0xaa
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/*
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* Control field may be one or two bytes. If the first byte has
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* the value 0x03 then the entire length is one byte, otherwise it is two.
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* One byte controls are used in Unnumbered Information frames.
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* Two byte controls are used in Numbered Information frames.
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*/
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#define IS_UI 0x03
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#define EBT_802_3_MASK (EBT_802_3_SAP | EBT_802_3_TYPE | EBT_802_3)
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/* ui has one byte ctrl, ni has two */
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struct hdr_ui {
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__u8 dsap;
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__u8 ssap;
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__u8 ctrl;
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__u8 orig[3];
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__be16 type;
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};
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struct hdr_ni {
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__u8 dsap;
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__u8 ssap;
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__be16 ctrl;
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__u8 orig[3];
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__be16 type;
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};
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struct ebt_802_3_hdr {
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__u8 daddr[6];
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__u8 saddr[6];
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__be16 len;
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union {
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struct hdr_ui ui;
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struct hdr_ni ni;
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} llc;
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};
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#ifdef __KERNEL__
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#include <linux/skbuff.h>
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#include <linux/skbuff.h>
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#include <uapi/linux/netfilter_bridge/ebt_802_3.h>
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static inline struct ebt_802_3_hdr *ebt_802_3_hdr(const struct sk_buff *skb)
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static inline struct ebt_802_3_hdr *ebt_802_3_hdr(const struct sk_buff *skb)
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{
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{
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return (struct ebt_802_3_hdr *)skb_mac_header(skb);
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return (struct ebt_802_3_hdr *)skb_mac_header(skb);
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}
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}
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#endif
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#endif
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struct ebt_802_3_info {
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__u8 sap;
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__be16 type;
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__u8 bitmask;
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__u8 invflags;
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};
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#endif
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@ -9,191 +9,11 @@
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* This code is stongly inspired on the iptables code which is
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* This code is stongly inspired on the iptables code which is
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* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
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* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
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*/
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*/
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#ifndef __LINUX_BRIDGE_EFF_H
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#ifndef __LINUX_BRIDGE_EFF_H
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#define __LINUX_BRIDGE_EFF_H
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#define __LINUX_BRIDGE_EFF_H
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#include <linux/if.h>
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#include <linux/netfilter_bridge.h>
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#include <linux/if_ether.h>
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#define EBT_TABLE_MAXNAMELEN 32
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#include <uapi/linux/netfilter_bridge/ebtables.h>
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#define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN
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#define EBT_FUNCTION_MAXNAMELEN EBT_TABLE_MAXNAMELEN
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/* verdicts >0 are "branches" */
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#define EBT_ACCEPT -1
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#define EBT_DROP -2
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#define EBT_CONTINUE -3
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#define EBT_RETURN -4
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#define NUM_STANDARD_TARGETS 4
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/* ebtables target modules store the verdict inside an int. We can
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* reclaim a part of this int for backwards compatible extensions.
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* The 4 lsb are more than enough to store the verdict. */
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#define EBT_VERDICT_BITS 0x0000000F
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struct xt_match;
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struct xt_target;
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struct ebt_counter {
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uint64_t pcnt;
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uint64_t bcnt;
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};
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struct ebt_replace {
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char name[EBT_TABLE_MAXNAMELEN];
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unsigned int valid_hooks;
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/* nr of rules in the table */
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unsigned int nentries;
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/* total size of the entries */
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unsigned int entries_size;
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/* start of the chains */
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struct ebt_entries __user *hook_entry[NF_BR_NUMHOOKS];
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/* nr of counters userspace expects back */
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unsigned int num_counters;
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/* where the kernel will put the old counters */
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struct ebt_counter __user *counters;
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char __user *entries;
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};
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struct ebt_replace_kernel {
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char name[EBT_TABLE_MAXNAMELEN];
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unsigned int valid_hooks;
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/* nr of rules in the table */
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unsigned int nentries;
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/* total size of the entries */
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unsigned int entries_size;
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/* start of the chains */
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struct ebt_entries *hook_entry[NF_BR_NUMHOOKS];
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/* nr of counters userspace expects back */
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unsigned int num_counters;
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/* where the kernel will put the old counters */
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struct ebt_counter *counters;
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char *entries;
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};
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struct ebt_entries {
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/* this field is always set to zero
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* See EBT_ENTRY_OR_ENTRIES.
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* Must be same size as ebt_entry.bitmask */
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unsigned int distinguisher;
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/* the chain name */
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char name[EBT_CHAIN_MAXNAMELEN];
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/* counter offset for this chain */
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unsigned int counter_offset;
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/* one standard (accept, drop, return) per hook */
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int policy;
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/* nr. of entries */
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unsigned int nentries;
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/* entry list */
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char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
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};
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/* used for the bitmask of struct ebt_entry */
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/* This is a hack to make a difference between an ebt_entry struct and an
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* ebt_entries struct when traversing the entries from start to end.
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* Using this simplifies the code a lot, while still being able to use
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* ebt_entries.
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* Contrary, iptables doesn't use something like ebt_entries and therefore uses
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* different techniques for naming the policy and such. So, iptables doesn't
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* need a hack like this.
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*/
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#define EBT_ENTRY_OR_ENTRIES 0x01
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/* these are the normal masks */
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#define EBT_NOPROTO 0x02
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#define EBT_802_3 0x04
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#define EBT_SOURCEMAC 0x08
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#define EBT_DESTMAC 0x10
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#define EBT_F_MASK (EBT_NOPROTO | EBT_802_3 | EBT_SOURCEMAC | EBT_DESTMAC \
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| EBT_ENTRY_OR_ENTRIES)
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#define EBT_IPROTO 0x01
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#define EBT_IIN 0x02
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#define EBT_IOUT 0x04
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#define EBT_ISOURCE 0x8
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#define EBT_IDEST 0x10
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#define EBT_ILOGICALIN 0x20
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#define EBT_ILOGICALOUT 0x40
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#define EBT_INV_MASK (EBT_IPROTO | EBT_IIN | EBT_IOUT | EBT_ILOGICALIN \
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| EBT_ILOGICALOUT | EBT_ISOURCE | EBT_IDEST)
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struct ebt_entry_match {
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union {
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char name[EBT_FUNCTION_MAXNAMELEN];
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struct xt_match *match;
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} u;
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/* size of data */
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unsigned int match_size;
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unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
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};
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struct ebt_entry_watcher {
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union {
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char name[EBT_FUNCTION_MAXNAMELEN];
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struct xt_target *watcher;
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} u;
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/* size of data */
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unsigned int watcher_size;
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unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
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};
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struct ebt_entry_target {
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union {
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char name[EBT_FUNCTION_MAXNAMELEN];
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struct xt_target *target;
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} u;
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/* size of data */
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unsigned int target_size;
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unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
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};
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#define EBT_STANDARD_TARGET "standard"
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struct ebt_standard_target {
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struct ebt_entry_target target;
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int verdict;
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};
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/* one entry */
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struct ebt_entry {
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/* this needs to be the first field */
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unsigned int bitmask;
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unsigned int invflags;
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__be16 ethproto;
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/* the physical in-dev */
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char in[IFNAMSIZ];
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/* the logical in-dev */
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char logical_in[IFNAMSIZ];
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/* the physical out-dev */
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char out[IFNAMSIZ];
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/* the logical out-dev */
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char logical_out[IFNAMSIZ];
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unsigned char sourcemac[ETH_ALEN];
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unsigned char sourcemsk[ETH_ALEN];
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unsigned char destmac[ETH_ALEN];
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unsigned char destmsk[ETH_ALEN];
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/* sizeof ebt_entry + matches */
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unsigned int watchers_offset;
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/* sizeof ebt_entry + matches + watchers */
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unsigned int target_offset;
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/* sizeof ebt_entry + matches + watchers + target */
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unsigned int next_offset;
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unsigned char elems[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
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};
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/* {g,s}etsockopt numbers */
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#define EBT_BASE_CTL 128
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#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
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#define EBT_SO_SET_COUNTERS (EBT_SO_SET_ENTRIES+1)
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#define EBT_SO_SET_MAX (EBT_SO_SET_COUNTERS+1)
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#define EBT_SO_GET_INFO (EBT_BASE_CTL)
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#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO+1)
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#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES+1)
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#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO+1)
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#define EBT_SO_GET_MAX (EBT_SO_GET_INIT_ENTRIES+1)
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#ifdef __KERNEL__
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/* return values for match() functions */
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/* return values for match() functions */
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#define EBT_MATCH 0
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#define EBT_MATCH 0
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@ -304,77 +124,4 @@ extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff *skb,
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/* True if the target is not a standard target */
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/* True if the target is not a standard target */
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#define INVALID_TARGET (info->target < -NUM_STANDARD_TARGETS || info->target >= 0)
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#define INVALID_TARGET (info->target < -NUM_STANDARD_TARGETS || info->target >= 0)
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#endif /* __KERNEL__ */
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/* blatently stolen from ip_tables.h
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* fn returns 0 to continue iteration */
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#define EBT_MATCH_ITERATE(e, fn, args...) \
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({ \
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unsigned int __i; \
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int __ret = 0; \
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struct ebt_entry_match *__match; \
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\
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for (__i = sizeof(struct ebt_entry); \
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__i < (e)->watchers_offset; \
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__i += __match->match_size + \
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sizeof(struct ebt_entry_match)) { \
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__match = (void *)(e) + __i; \
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\
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__ret = fn(__match , ## args); \
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if (__ret != 0) \
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break; \
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} \
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if (__ret == 0) { \
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if (__i != (e)->watchers_offset) \
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__ret = -EINVAL; \
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} \
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__ret; \
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})
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#define EBT_WATCHER_ITERATE(e, fn, args...) \
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({ \
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unsigned int __i; \
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int __ret = 0; \
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struct ebt_entry_watcher *__watcher; \
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\
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for (__i = e->watchers_offset; \
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__i < (e)->target_offset; \
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__i += __watcher->watcher_size + \
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sizeof(struct ebt_entry_watcher)) { \
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__watcher = (void *)(e) + __i; \
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\
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__ret = fn(__watcher , ## args); \
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if (__ret != 0) \
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break; \
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} \
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if (__ret == 0) { \
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if (__i != (e)->target_offset) \
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__ret = -EINVAL; \
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} \
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__ret; \
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})
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#define EBT_ENTRY_ITERATE(entries, size, fn, args...) \
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({ \
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unsigned int __i; \
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int __ret = 0; \
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struct ebt_entry *__entry; \
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\
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for (__i = 0; __i < (size);) { \
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__entry = (void *)(entries) + __i; \
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__ret = fn(__entry , ## args); \
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if (__ret != 0) \
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break; \
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if (__entry->bitmask != 0) \
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__i += __entry->next_offset; \
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else \
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__i += sizeof(struct ebt_entries); \
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} \
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if (__ret == 0) { \
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if (__i != (size)) \
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__ret = -EINVAL; \
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} \
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__ret; \
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})
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#endif
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#endif
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@ -1 +1,19 @@
|
|||||||
# UAPI Header export list
|
# UAPI Header export list
|
||||||
|
header-y += ebt_802_3.h
|
||||||
|
header-y += ebt_among.h
|
||||||
|
header-y += ebt_arp.h
|
||||||
|
header-y += ebt_arpreply.h
|
||||||
|
header-y += ebt_ip.h
|
||||||
|
header-y += ebt_ip6.h
|
||||||
|
header-y += ebt_limit.h
|
||||||
|
header-y += ebt_log.h
|
||||||
|
header-y += ebt_mark_m.h
|
||||||
|
header-y += ebt_mark_t.h
|
||||||
|
header-y += ebt_nat.h
|
||||||
|
header-y += ebt_nflog.h
|
||||||
|
header-y += ebt_pkttype.h
|
||||||
|
header-y += ebt_redirect.h
|
||||||
|
header-y += ebt_stp.h
|
||||||
|
header-y += ebt_ulog.h
|
||||||
|
header-y += ebt_vlan.h
|
||||||
|
header-y += ebtables.h
|
||||||
|
|||||||
62
include/uapi/linux/netfilter_bridge/ebt_802_3.h
Normal file
62
include/uapi/linux/netfilter_bridge/ebt_802_3.h
Normal file
@ -0,0 +1,62 @@
|
|||||||
|
#ifndef _UAPI__LINUX_BRIDGE_EBT_802_3_H
|
||||||
|
#define _UAPI__LINUX_BRIDGE_EBT_802_3_H
|
||||||
|
|
||||||
|
#include <linux/types.h>
|
||||||
|
|
||||||
|
#define EBT_802_3_SAP 0x01
|
||||||
|
#define EBT_802_3_TYPE 0x02
|
||||||
|
|
||||||
|
#define EBT_802_3_MATCH "802_3"
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If frame has DSAP/SSAP value 0xaa you must check the SNAP type
|
||||||
|
* to discover what kind of packet we're carrying.
|
||||||
|
*/
|
||||||
|
#define CHECK_TYPE 0xaa
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Control field may be one or two bytes. If the first byte has
|
||||||
|
* the value 0x03 then the entire length is one byte, otherwise it is two.
|
||||||
|
* One byte controls are used in Unnumbered Information frames.
|
||||||
|
* Two byte controls are used in Numbered Information frames.
|
||||||
|
*/
|
||||||
|
#define IS_UI 0x03
|
||||||
|
|
||||||
|
#define EBT_802_3_MASK (EBT_802_3_SAP | EBT_802_3_TYPE | EBT_802_3)
|
||||||
|
|
||||||
|
/* ui has one byte ctrl, ni has two */
|
||||||
|
struct hdr_ui {
|
||||||
|
__u8 dsap;
|
||||||
|
__u8 ssap;
|
||||||
|
__u8 ctrl;
|
||||||
|
__u8 orig[3];
|
||||||
|
__be16 type;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct hdr_ni {
|
||||||
|
__u8 dsap;
|
||||||
|
__u8 ssap;
|
||||||
|
__be16 ctrl;
|
||||||
|
__u8 orig[3];
|
||||||
|
__be16 type;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_802_3_hdr {
|
||||||
|
__u8 daddr[6];
|
||||||
|
__u8 saddr[6];
|
||||||
|
__be16 len;
|
||||||
|
union {
|
||||||
|
struct hdr_ui ui;
|
||||||
|
struct hdr_ni ni;
|
||||||
|
} llc;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
struct ebt_802_3_info {
|
||||||
|
__u8 sap;
|
||||||
|
__be16 type;
|
||||||
|
__u8 bitmask;
|
||||||
|
__u8 invflags;
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* _UAPI__LINUX_BRIDGE_EBT_802_3_H */
|
||||||
268
include/uapi/linux/netfilter_bridge/ebtables.h
Normal file
268
include/uapi/linux/netfilter_bridge/ebtables.h
Normal file
@ -0,0 +1,268 @@
|
|||||||
|
/*
|
||||||
|
* ebtables
|
||||||
|
*
|
||||||
|
* Authors:
|
||||||
|
* Bart De Schuymer <bdschuym@pandora.be>
|
||||||
|
*
|
||||||
|
* ebtables.c,v 2.0, April, 2002
|
||||||
|
*
|
||||||
|
* This code is stongly inspired on the iptables code which is
|
||||||
|
* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _UAPI__LINUX_BRIDGE_EFF_H
|
||||||
|
#define _UAPI__LINUX_BRIDGE_EFF_H
|
||||||
|
#include <linux/if.h>
|
||||||
|
#include <linux/netfilter_bridge.h>
|
||||||
|
#include <linux/if_ether.h>
|
||||||
|
|
||||||
|
#define EBT_TABLE_MAXNAMELEN 32
|
||||||
|
#define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN
|
||||||
|
#define EBT_FUNCTION_MAXNAMELEN EBT_TABLE_MAXNAMELEN
|
||||||
|
|
||||||
|
/* verdicts >0 are "branches" */
|
||||||
|
#define EBT_ACCEPT -1
|
||||||
|
#define EBT_DROP -2
|
||||||
|
#define EBT_CONTINUE -3
|
||||||
|
#define EBT_RETURN -4
|
||||||
|
#define NUM_STANDARD_TARGETS 4
|
||||||
|
/* ebtables target modules store the verdict inside an int. We can
|
||||||
|
* reclaim a part of this int for backwards compatible extensions.
|
||||||
|
* The 4 lsb are more than enough to store the verdict. */
|
||||||
|
#define EBT_VERDICT_BITS 0x0000000F
|
||||||
|
|
||||||
|
struct xt_match;
|
||||||
|
struct xt_target;
|
||||||
|
|
||||||
|
struct ebt_counter {
|
||||||
|
uint64_t pcnt;
|
||||||
|
uint64_t bcnt;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_replace {
|
||||||
|
char name[EBT_TABLE_MAXNAMELEN];
|
||||||
|
unsigned int valid_hooks;
|
||||||
|
/* nr of rules in the table */
|
||||||
|
unsigned int nentries;
|
||||||
|
/* total size of the entries */
|
||||||
|
unsigned int entries_size;
|
||||||
|
/* start of the chains */
|
||||||
|
struct ebt_entries __user *hook_entry[NF_BR_NUMHOOKS];
|
||||||
|
/* nr of counters userspace expects back */
|
||||||
|
unsigned int num_counters;
|
||||||
|
/* where the kernel will put the old counters */
|
||||||
|
struct ebt_counter __user *counters;
|
||||||
|
char __user *entries;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_replace_kernel {
|
||||||
|
char name[EBT_TABLE_MAXNAMELEN];
|
||||||
|
unsigned int valid_hooks;
|
||||||
|
/* nr of rules in the table */
|
||||||
|
unsigned int nentries;
|
||||||
|
/* total size of the entries */
|
||||||
|
unsigned int entries_size;
|
||||||
|
/* start of the chains */
|
||||||
|
struct ebt_entries *hook_entry[NF_BR_NUMHOOKS];
|
||||||
|
/* nr of counters userspace expects back */
|
||||||
|
unsigned int num_counters;
|
||||||
|
/* where the kernel will put the old counters */
|
||||||
|
struct ebt_counter *counters;
|
||||||
|
char *entries;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_entries {
|
||||||
|
/* this field is always set to zero
|
||||||
|
* See EBT_ENTRY_OR_ENTRIES.
|
||||||
|
* Must be same size as ebt_entry.bitmask */
|
||||||
|
unsigned int distinguisher;
|
||||||
|
/* the chain name */
|
||||||
|
char name[EBT_CHAIN_MAXNAMELEN];
|
||||||
|
/* counter offset for this chain */
|
||||||
|
unsigned int counter_offset;
|
||||||
|
/* one standard (accept, drop, return) per hook */
|
||||||
|
int policy;
|
||||||
|
/* nr. of entries */
|
||||||
|
unsigned int nentries;
|
||||||
|
/* entry list */
|
||||||
|
char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
|
||||||
|
};
|
||||||
|
|
||||||
|
/* used for the bitmask of struct ebt_entry */
|
||||||
|
|
||||||
|
/* This is a hack to make a difference between an ebt_entry struct and an
|
||||||
|
* ebt_entries struct when traversing the entries from start to end.
|
||||||
|
* Using this simplifies the code a lot, while still being able to use
|
||||||
|
* ebt_entries.
|
||||||
|
* Contrary, iptables doesn't use something like ebt_entries and therefore uses
|
||||||
|
* different techniques for naming the policy and such. So, iptables doesn't
|
||||||
|
* need a hack like this.
|
||||||
|
*/
|
||||||
|
#define EBT_ENTRY_OR_ENTRIES 0x01
|
||||||
|
/* these are the normal masks */
|
||||||
|
#define EBT_NOPROTO 0x02
|
||||||
|
#define EBT_802_3 0x04
|
||||||
|
#define EBT_SOURCEMAC 0x08
|
||||||
|
#define EBT_DESTMAC 0x10
|
||||||
|
#define EBT_F_MASK (EBT_NOPROTO | EBT_802_3 | EBT_SOURCEMAC | EBT_DESTMAC \
|
||||||
|
| EBT_ENTRY_OR_ENTRIES)
|
||||||
|
|
||||||
|
#define EBT_IPROTO 0x01
|
||||||
|
#define EBT_IIN 0x02
|
||||||
|
#define EBT_IOUT 0x04
|
||||||
|
#define EBT_ISOURCE 0x8
|
||||||
|
#define EBT_IDEST 0x10
|
||||||
|
#define EBT_ILOGICALIN 0x20
|
||||||
|
#define EBT_ILOGICALOUT 0x40
|
||||||
|
#define EBT_INV_MASK (EBT_IPROTO | EBT_IIN | EBT_IOUT | EBT_ILOGICALIN \
|
||||||
|
| EBT_ILOGICALOUT | EBT_ISOURCE | EBT_IDEST)
|
||||||
|
|
||||||
|
struct ebt_entry_match {
|
||||||
|
union {
|
||||||
|
char name[EBT_FUNCTION_MAXNAMELEN];
|
||||||
|
struct xt_match *match;
|
||||||
|
} u;
|
||||||
|
/* size of data */
|
||||||
|
unsigned int match_size;
|
||||||
|
unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_entry_watcher {
|
||||||
|
union {
|
||||||
|
char name[EBT_FUNCTION_MAXNAMELEN];
|
||||||
|
struct xt_target *watcher;
|
||||||
|
} u;
|
||||||
|
/* size of data */
|
||||||
|
unsigned int watcher_size;
|
||||||
|
unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
|
||||||
|
};
|
||||||
|
|
||||||
|
struct ebt_entry_target {
|
||||||
|
union {
|
||||||
|
char name[EBT_FUNCTION_MAXNAMELEN];
|
||||||
|
struct xt_target *target;
|
||||||
|
} u;
|
||||||
|
/* size of data */
|
||||||
|
unsigned int target_size;
|
||||||
|
unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
|
||||||
|
};
|
||||||
|
|
||||||
|
#define EBT_STANDARD_TARGET "standard"
|
||||||
|
struct ebt_standard_target {
|
||||||
|
struct ebt_entry_target target;
|
||||||
|
int verdict;
|
||||||
|
};
|
||||||
|
|
||||||
|
/* one entry */
|
||||||
|
struct ebt_entry {
|
||||||
|
/* this needs to be the first field */
|
||||||
|
unsigned int bitmask;
|
||||||
|
unsigned int invflags;
|
||||||
|
__be16 ethproto;
|
||||||
|
/* the physical in-dev */
|
||||||
|
char in[IFNAMSIZ];
|
||||||
|
/* the logical in-dev */
|
||||||
|
char logical_in[IFNAMSIZ];
|
||||||
|
/* the physical out-dev */
|
||||||
|
char out[IFNAMSIZ];
|
||||||
|
/* the logical out-dev */
|
||||||
|
char logical_out[IFNAMSIZ];
|
||||||
|
unsigned char sourcemac[ETH_ALEN];
|
||||||
|
unsigned char sourcemsk[ETH_ALEN];
|
||||||
|
unsigned char destmac[ETH_ALEN];
|
||||||
|
unsigned char destmsk[ETH_ALEN];
|
||||||
|
/* sizeof ebt_entry + matches */
|
||||||
|
unsigned int watchers_offset;
|
||||||
|
/* sizeof ebt_entry + matches + watchers */
|
||||||
|
unsigned int target_offset;
|
||||||
|
/* sizeof ebt_entry + matches + watchers + target */
|
||||||
|
unsigned int next_offset;
|
||||||
|
unsigned char elems[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
|
||||||
|
};
|
||||||
|
|
||||||
|
/* {g,s}etsockopt numbers */
|
||||||
|
#define EBT_BASE_CTL 128
|
||||||
|
|
||||||
|
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
|
||||||
|
#define EBT_SO_SET_COUNTERS (EBT_SO_SET_ENTRIES+1)
|
||||||
|
#define EBT_SO_SET_MAX (EBT_SO_SET_COUNTERS+1)
|
||||||
|
|
||||||
|
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
|
||||||
|
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO+1)
|
||||||
|
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES+1)
|
||||||
|
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO+1)
|
||||||
|
#define EBT_SO_GET_MAX (EBT_SO_GET_INIT_ENTRIES+1)
|
||||||
|
|
||||||
|
|
||||||
|
/* blatently stolen from ip_tables.h
|
||||||
|
* fn returns 0 to continue iteration */
|
||||||
|
#define EBT_MATCH_ITERATE(e, fn, args...) \
|
||||||
|
({ \
|
||||||
|
unsigned int __i; \
|
||||||
|
int __ret = 0; \
|
||||||
|
struct ebt_entry_match *__match; \
|
||||||
|
\
|
||||||
|
for (__i = sizeof(struct ebt_entry); \
|
||||||
|
__i < (e)->watchers_offset; \
|
||||||
|
__i += __match->match_size + \
|
||||||
|
sizeof(struct ebt_entry_match)) { \
|
||||||
|
__match = (void *)(e) + __i; \
|
||||||
|
\
|
||||||
|
__ret = fn(__match , ## args); \
|
||||||
|
if (__ret != 0) \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
if (__ret == 0) { \
|
||||||
|
if (__i != (e)->watchers_offset) \
|
||||||
|
__ret = -EINVAL; \
|
||||||
|
} \
|
||||||
|
__ret; \
|
||||||
|
})
|
||||||
|
|
||||||
|
#define EBT_WATCHER_ITERATE(e, fn, args...) \
|
||||||
|
({ \
|
||||||
|
unsigned int __i; \
|
||||||
|
int __ret = 0; \
|
||||||
|
struct ebt_entry_watcher *__watcher; \
|
||||||
|
\
|
||||||
|
for (__i = e->watchers_offset; \
|
||||||
|
__i < (e)->target_offset; \
|
||||||
|
__i += __watcher->watcher_size + \
|
||||||
|
sizeof(struct ebt_entry_watcher)) { \
|
||||||
|
__watcher = (void *)(e) + __i; \
|
||||||
|
\
|
||||||
|
__ret = fn(__watcher , ## args); \
|
||||||
|
if (__ret != 0) \
|
||||||
|
break; \
|
||||||
|
} \
|
||||||
|
if (__ret == 0) { \
|
||||||
|
if (__i != (e)->target_offset) \
|
||||||
|
__ret = -EINVAL; \
|
||||||
|
} \
|
||||||
|
__ret; \
|
||||||
|
})
|
||||||
|
|
||||||
|
#define EBT_ENTRY_ITERATE(entries, size, fn, args...) \
|
||||||
|
({ \
|
||||||
|
unsigned int __i; \
|
||||||
|
int __ret = 0; \
|
||||||
|
struct ebt_entry *__entry; \
|
||||||
|
\
|
||||||
|
for (__i = 0; __i < (size);) { \
|
||||||
|
__entry = (void *)(entries) + __i; \
|
||||||
|
__ret = fn(__entry , ## args); \
|
||||||
|
if (__ret != 0) \
|
||||||
|
break; \
|
||||||
|
if (__entry->bitmask != 0) \
|
||||||
|
__i += __entry->next_offset; \
|
||||||
|
else \
|
||||||
|
__i += sizeof(struct ebt_entries); \
|
||||||
|
} \
|
||||||
|
if (__ret == 0) { \
|
||||||
|
if (__i != (size)) \
|
||||||
|
__ret = -EINVAL; \
|
||||||
|
} \
|
||||||
|
__ret; \
|
||||||
|
})
|
||||||
|
|
||||||
|
#endif /* _UAPI__LINUX_BRIDGE_EFF_H */
|
||||||
Loading…
Reference in New Issue
Block a user