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[ipv6] Use given source address only if it is not the unspecified address

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-11-08 15:52:07 +00:00
parent 4484edd1c0
commit 95623e353b
2 changed files with 7 additions and 1 deletions
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6
src/include/ipxe/in.h
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@@ -50,6 +50,12 @@ struct in6_addr {
#define s6_addr32 in6_u.u6_addr32
};
#define IN6_IS_ADDR_UNSPECIFIED( addr ) \
( ( ( ( ( const uint32_t * ) (addr) )[0] ) | \
( ( ( const uint32_t * ) (addr) )[1] ) | \
( ( ( const uint32_t * ) (addr) )[2] ) | \
( ( ( const uint32_t * ) (addr) )[3] ) ) == 0 )
#define IN6_IS_ADDR_MULTICAST( addr ) \
( *( ( const uint8_t * ) (addr) ) == 0xff )