NetIPv6_IsAddrMcast
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Description
Validate an IPv6 address as a multicast address.
Files
net_ipv6.h/net_ipv6.c
Prototype
CPU_BOOLEAN NetIPv6_IsAddrMcast(NET_IPv6_ADDR *p_addr);
Arguments
p_addr
Pointer to IPv6 address to validate.
Returned Value
DEF_YES, if the IPv6 address is a multicast IPv6 address.DEF_NO, otherwise.
Required Configuration
None.
Notes / Warnings
An IPv6 Multicast address is defined as having the following format :
| 8 bits | 4 bits | 4 bits | 112 bits |
|---|---|---|---|
| 11111111 | flags | scope | Group ID |
Refer to RFC #4291, section 2.7 for more details.