If I read RFC1884 (section 2.6) correctly the ip6_addr_ismulticast_* macros need to allow for the T-bit=1 indicating that a transient multicast address is being used. The following diff shows the changes I've made locally.
Regards, Ian diff --git a/ethernet/lwip-git/src/include/ipv6/lwip/ip6_addr.h b/ethernet/lwip-git/src/include/ipv6/lwip/ip6_addr.h index 4e5f4a2..7046b57 100644 --- a/ethernet/lwip-git/src/include/ipv6/lwip/ip6_addr.h +++ b/ethernet/lwip-git/src/include/ipv6/lwip/ip6_addr.h @@ -195,12 +195,12 @@ Little-endian version, stored in network order (no htonl). */ #define IP6_MULTICAST_SCOPE_ORGANIZATION_LOCAL 0x8 #define IP6_MULTICAST_SCOPE_GLOBAL 0xe #define IP6_MULTICAST_SCOPE_RESERVEDF 0xf -#define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff010000UL)) -#define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff020000UL)) -#define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff040000UL)) -#define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff050000UL)) -#define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff080000UL)) -#define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff0e0000UL)) +#define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff010000UL)) +#define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff020000UL)) +#define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff040000UL)) +#define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff050000UL)) +#define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff080000UL)) +#define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffef0000UL)) == PP_HTONL(0xff0e0000UL)) /* TODO define get/set for well-know multicast addresses, e.g. ff02::1 */ #define ip6_addr_isallnodes_iflocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff010000UL)) && \ _______________________________________________ lwip-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/lwip-users
