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[XFRM] IPV6: Support Mobile IPv6 extension headers sorting. 

Support Mobile IPv6 extension headers sorting for two transformation policies.
Mobile IPv6 extension headers should be placed after IPsec
transport mode, but before transport AH when outbound.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2006-08-23 22:54:07 -07:00 committed by David S. Miller
parent 58c949d1b9
commit 64d9fdda8e
1 changed files with 26 additions and 2 deletions
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28
net/ipv6/xfrm6_state.c
View File

@ -173,7 +173,19 @@ __xfrm6_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n)
if (j == n)
goto end;
/* XXX: Rule 2: select MIPv6 RO or inbound trigger */
/* Rule 2: select MIPv6 RO or inbound trigger */
#ifdef CONFIG_IPV6_MIP6
for (i = 0; i < n; i++) {
if (src[i] &&
(src[i]->props.mode == XFRM_MODE_ROUTEOPTIMIZATION ||
src[i]->props.mode == XFRM_MODE_IN_TRIGGER)) {
dst[j++] = src[i];
src[i] = NULL;
}
}
if (j == n)
goto end;
#endif
/* Rule 3: select IPsec transport AH */
for (i = 0; i < n; i++) {
@ -226,7 +238,19 @@ __xfrm6_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n)
if (j == n)
goto end;
/* XXX: Rule 2: select MIPv6 RO or inbound trigger */
/* Rule 2: select MIPv6 RO or inbound trigger */
#ifdef CONFIG_IPV6_MIP6
for (i = 0; i < n; i++) {
if (src[i] &&
(src[i]->mode == XFRM_MODE_ROUTEOPTIMIZATION ||
src[i]->mode == XFRM_MODE_IN_TRIGGER)) {
dst[j++] = src[i];
src[i] = NULL;
}
}
if (j == n)
goto end;
#endif
/* Rule 3: select IPsec tunnel */
for (i = 0; i < n; i++) {