diff options
| -rw-r--r-- | include/linux/netfilter/x_tables.h | 43 | ||||
| -rw-r--r-- | include/linux/netfilter_arp/arp_tables.h | 17 | ||||
| -rw-r--r-- | include/linux/netfilter_ipv4/ip_tables.h | 55 | ||||
| -rw-r--r-- | include/linux/netfilter_ipv6/ip6_tables.h | 36 |
4 files changed, 55 insertions, 96 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 616e6f4ede5..8ab754e14ec 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -126,6 +126,49 @@ struct xt_counters_info #define XT_INV_PROTO 0x40 /* Invert the sense of PROTO. */ +/* fn returns 0 to continue iteration */ +#define XT_MATCH_ITERATE(type, e, fn, args...) \ +({ \ + unsigned int __i; \ + int __ret = 0; \ + struct xt_entry_match *__m; \ + \ + for (__i = sizeof(type); \ + __i < (e)->target_offset; \ + __i += __m->u.match_size) { \ + __m = (void *)e + __i; \ + \ + __ret = fn(__m , ## args); \ + if (__ret != 0) \ + break; \ + } \ + __ret; \ +}) + +/* fn returns 0 to continue iteration */ +#define XT_ENTRY_ITERATE_CONTINUE(type, entries, size, n, fn, args...) \ +({ \ + unsigned int __i, __n; \ + int __ret = 0; \ + type *__entry; \ + \ + for (__i = 0, __n = 0; __i < (size); \ + __i += __entry->next_offset, __n++) { \ + __entry = (void *)(entries) + __i; \ + if (__n < n) \ + continue; \ + \ + __ret = fn(__entry , ## args); \ + if (__ret != 0) \ + break; \ + } \ + __ret; \ +}) + +/* fn returns 0 to continue iteration */ +#define XT_ENTRY_ITERATE(type, entries, size, fn, args...) \ + XT_ENTRY_ITERATE_CONTINUE(type, entries, size, 0, fn, args) + #ifdef __KERNEL__ #include <linux/netdevice.h> diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h index 2fc73fa8e37..e44811b9be6 100644 --- a/include/linux/netfilter_arp/arp_tables.h +++ b/include/linux/netfilter_arp/arp_tables.h @@ -217,21 +217,8 @@ static __inline__ struct arpt_entry_target *arpt_get_target(struct arpt_entry *e } /* fn returns 0 to continue iteration */ -#define ARPT_ENTRY_ITERATE(entries, size, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct arpt_entry *__entry; \ - \ - for (__i = 0; __i < (size); __i += __entry->next_offset) { \ - __entry = (void *)(entries) + __i; \ - \ - __ret = fn(__entry , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) +#define ARPT_ENTRY_ITERATE(entries, size, fn, args...) \ + XT_ENTRY_ITERATE(struct arpt_entry, entries, size, fn, ## args) /* * Main firewall chains definitions and global var's definitions. diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h index 54da61603ef..1e0cfca7f35 100644 --- a/include/linux/netfilter_ipv4/ip_tables.h +++ b/include/linux/netfilter_ipv4/ip_tables.h @@ -229,60 +229,17 @@ ipt_get_target(struct ipt_entry *e) } /* fn returns 0 to continue iteration */ -#define IPT_MATCH_ITERATE(e, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct ipt_entry_match *__match; \ - \ - for (__i = sizeof(struct ipt_entry); \ - __i < (e)->target_offset; \ - __i += __match->u.match_size) { \ - __match = (void *)(e) + __i; \ - \ - __ret = fn(__match , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) +#define IPT_MATCH_ITERATE(e, fn, args...) \ + XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args) /* fn returns 0 to continue iteration */ -#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct ipt_entry *__entry; \ - \ - for (__i = 0; __i < (size); __i += __entry->next_offset) { \ - __entry = (void *)(entries) + __i; \ - \ - __ret = fn(__entry , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) +#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \ + XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args) /* fn returns 0 to continue iteration */ #define IPT_ENTRY_ITERATE_CONTINUE(entries, size, n, fn, args...) \ -({ \ - unsigned int __i, __n; \ - int __ret = 0; \ - struct ipt_entry *__entry; \ - \ - for (__i = 0, __n = 0; __i < (size); \ - __i += __entry->next_offset, __n++) { \ - __entry = (void *)(entries) + __i; \ - if (__n < n) \ - continue; \ - \ - __ret = fn(__entry , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) + XT_ENTRY_ITERATE_CONTINUE(struct ipt_entry, entries, size, n, fn, \ + ## args) /* * Main firewall chains definitions and global var's definitions. diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h index 2e98654188b..8257b52015f 100644 --- a/include/linux/netfilter_ipv6/ip6_tables.h +++ b/include/linux/netfilter_ipv6/ip6_tables.h @@ -289,40 +289,12 @@ ip6t_get_target(struct ip6t_entry *e) } /* fn returns 0 to continue iteration */ -#define IP6T_MATCH_ITERATE(e, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct ip6t_entry_match *__m; \ - \ - for (__i = sizeof(struct ip6t_entry); \ - __i < (e)->target_offset; \ - __i += __m->u.match_size) { \ - __m = (void *)(e) + __i; \ - \ - __ret = fn(__m , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) +#define IP6T_MATCH_ITERATE(e, fn, args...) \ + XT_MATCH_ITERATE(struct ip6t_entry, e, fn, ## args) /* fn returns 0 to continue iteration */ -#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct ip6t_entry *__e; \ - \ - for (__i = 0; __i < (size); __i += __e->next_offset) { \ - __e = (void *)(entries) + __i; \ - \ - __ret = fn(__e , ## args); \ - if (__ret != 0) \ - break; \ - } \ - __ret; \ -}) +#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) \ + XT_ENTRY_ITERATE(struct ip6t_entry, entries, size, fn, ## args) /* * Main firewall chains definitions and global var's definitions. |