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ipv6: Add IPv6 multicast address flag defines

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This commit adds the missing IPv6 multicast address flag defines to
complement the already existing multicast address scope defines and to
be able to check these flags nicely in the future.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Linus Lüssing 2011-02-15 13:19:20 +00:00 committed by David S. Miller
parent d41db9f3f7
commit 5ced133961
1 changed files with 12 additions and 0 deletions
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12
include/net/ipv6.h
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@ -88,6 +88,18 @@
#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08
#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
/*
* Addr flags
*/
#ifdef __KERNEL__
#define IPV6_ADDR_MC_FLAG_TRANSIENT(a) \
((a)->s6_addr[1] & 0x10)
#define IPV6_ADDR_MC_FLAG_PREFIX(a) \
((a)->s6_addr[1] & 0x20)
#define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a) \
((a)->s6_addr[1] & 0x40)
#endif
/*
* fragmentation header
*/