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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-02-25 08:26:40 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-02-25 08:26:40 -0600 |
| commit | af6c065d45e090cd0476bcbabad5569ab2376707 (patch) | |
| tree | f8f693a12aa1b54c5a353fad9d892df8f9e68a41 | |
| parent | 189bbe608173983aa2ceade3eed9b0ce98ea3d47 (diff) | |
| download | nuttx-af6c065d45e090cd0476bcbabad5569ab2376707.tar.gz nuttx-af6c065d45e090cd0476bcbabad5569ab2376707.tar.bz2 nuttx-af6c065d45e090cd0476bcbabad5569ab2376707.zip | |
netinet/in.h: Add some IPv6 macros
| -rw-r--r-- | nuttx/include/netinet/in.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/nuttx/include/netinet/in.h b/nuttx/include/netinet/in.h index 565ffbeb1..219f15119 100644 --- a/nuttx/include/netinet/in.h +++ b/nuttx/include/netinet/in.h @@ -110,6 +110,28 @@ #define s6_addr16 in6_u.u6_addr16 #define s6_addr32 in6_u.u6_addr32 +/* Checks for special IPv6 addresses */ + +#define IN6_IS_ADDR_MULTICAST(a) \ + ((a)->s6_addr[0] == 0xff) + +#define IN6_IS_ADDR_LOOPBACK(a) \ + ((a)->s6_addr32[0] == 0 && \ + (a)->s6_addr32[1] == 0 && \ + (a)->s6_addr32[2] == 0 && \ + (a)->s6_addr32[3] == HTONL(1)) + +#define IN6_IS_ADDR_UNSPECIFIED(a) \ + ((a)->s6_addr32[0] == 0 && \ + (a)->s6_addr32[1] == 0 && \ + (a)->s6_addr32[2] == 0 && \ + (a)->s6_addr32[3] == 0) + +#define IN6_IS_ADDR_V4MAPPED(a) \ + ((a)->s6_addr32[0] == 0 && \ + (a)->s6_addr32[1] == 0 && \ + (a)->s6_addr32[2] == HTONL(0xffff)) + /**************************************************************************** * Public Type Definitions ****************************************************************************/ |