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[NETFILTER]: x_tables: unify IPv4/IPv6 esp match

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This unifies ipt_esp and ip6t_esp to xt_esp. Please note that now
a user program needs to specify IPPROTO_ESP as protocol to use esp match
with IPv6. This means that ip6tables requires '-p esp' like iptables.

Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yasuyuki Kozakai
2006-04-01 02:22:30 -08:00
committed by David S. Miller
parent 9606a21635
commit dc5ab2faec
11 changed files with 94 additions and 170 deletions
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14
include/linux/netfilter/xt_esp.h Normal file
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@ -0,0 +1,14 @@
#ifndef _XT_ESP_H
#define _XT_ESP_H
struct xt_esp
{
u_int32_t spis[2]; /* Security Parameter Index */
u_int8_t invflags; /* Inverse flags */
};
/* Values for "invflags" field in struct xt_esp. */
#define XT_ESP_INV_SPI 0x01 /* Invert the sense of spi. */
#define XT_ESP_INV_MASK 0x01 /* All possible flags. */
#endif /*_XT_ESP_H*/