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[IPV6]: ROUTE: Add experimental support for Route Information Option in RA (RFC4191).

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki
2006-03-20 17:06:24 -08:00
committed by David S. Miller
parent 52e1635631
commit 70ceb4f539
6 changed files with 191 additions and 1 deletions
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21
include/net/ip6_route.h
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@ -7,6 +7,23 @@
#define IP6_RT_PRIO_KERN 512
#define IP6_RT_FLOW_MASK 0x00ff
struct route_info {
__u8 type;
__u8 length;
__u8 prefix_len;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved_h:3,
route_pref:2,
reserved_l:3;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 reserved_l:3,
route_pref:2,
reserved_h:3;
#endif
__u32 lifetime;
__u8 prefix[0]; /* 0,8 or 16 */
};
#ifdef __KERNEL__
#include <net/flow.h>
@ -92,6 +109,10 @@ extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr,
extern void rt6_purge_dflt_routers(void);
extern int rt6_route_rcv(struct net_device *dev,
u8 *opt, int len,
struct in6_addr *gwaddr);
extern void rt6_redirect(struct in6_addr *dest,
struct in6_addr *saddr,
struct neighbour *neigh,

2
include/net/ndisc.h
View File

@ -22,6 +22,8 @@ enum {
ND_OPT_PREFIX_INFO = 3, /* RFC2461 */
ND_OPT_REDIRECT_HDR = 4, /* RFC2461 */
ND_OPT_MTU = 5, /* RFC2461 */
__ND_OPT_ARRAY_MAX,
ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
__ND_OPT_MAX
};