Commit 05465343 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
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[NETFILTER]: Add goto target



Originally written by Henrik Nordstrom <hno@marasystems.com>, taken
from netfilter patch-o-matic and added ip6_tables support.
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 764d8a9f
......@@ -109,7 +109,8 @@ struct ipt_counters
/* Values for "flag" field in struct ipt_ip (general ip structure). */
#define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
#define IPT_F_MASK 0x01 /* All possible flag bits mask. */
#define IPT_F_GOTO 0x02 /* Set if jump is a goto */
#define IPT_F_MASK 0x03 /* All possible flag bits mask. */
/* Values for "inv" field in struct ipt_ip. */
#define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
......
......@@ -111,7 +111,8 @@ struct ip6t_counters
#define IP6T_F_PROTO 0x01 /* Set if rule cares about upper
protocols */
#define IP6T_F_TOS 0x02 /* Match the TOS. */
#define IP6T_F_MASK 0x03 /* All possible flag bits mask. */
#define IP6T_F_GOTO 0x04 /* Set if jump is a goto */
#define IP6T_F_MASK 0x07 /* All possible flag bits mask. */
/* Values for "inv" field in struct ip6t_ip6. */
#define IP6T_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
......
......@@ -340,8 +340,8 @@ ipt_do_table(struct sk_buff **pskb,
back->comefrom);
continue;
}
if (table_base + v
!= (void *)e + e->next_offset) {
if (table_base + v != (void *)e + e->next_offset
&& !(e->ip.flags & IPT_F_GOTO)) {
/* Save old back ptr in next entry */
struct ipt_entry *next
= (void *)e + e->next_offset;
......
......@@ -433,8 +433,8 @@ ip6t_do_table(struct sk_buff **pskb,
back->comefrom);
continue;
}
if (table_base + v
!= (void *)e + e->next_offset) {
if (table_base + v != (void *)e + e->next_offset
&& !(e->ipv6.flags & IP6T_F_GOTO)) {
/* Save old back ptr in next entry */
struct ip6t_entry *next
= (void *)e + e->next_offset;
......
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