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| author | Michael Brown | 2008-03-23 23:20:47 +0100 |
|---|---|---|
| committer | Michael Brown | 2008-03-23 23:20:47 +0100 |
| commit | 978865da2f5d5a587c2f8accf3e1bb3b0193e1fd (patch) | |
| tree | ad21610bd2d20f37b5cd4f98ba12800b7a275417 /src/include | |
| parent | [IPv4] Tidy up some header files. (diff) | |
| download | ipxe-978865da2f5d5a587c2f8accf3e1bb3b0193e1fd.tar.gz ipxe-978865da2f5d5a587c2f8accf3e1bb3b0193e1fd.tar.xz ipxe-978865da2f5d5a587c2f8accf3e1bb3b0193e1fd.zip | |
[IPv4] Use default netmasks when no subnet mask is specified.
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpxe/in.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/include/gpxe/in.h b/src/include/gpxe/in.h index d502c4c3..89530a55 100644 --- a/src/include/gpxe/in.h +++ b/src/include/gpxe/in.h @@ -18,7 +18,13 @@ #define INADDR_BROADCAST 0xffffffff -#define IN_MULTICAST(addr) ( ( (addr) & 0xf0000000 ) == 0xe0000000 ) +#define IN_CLASSA(addr) ( ( (addr) & 0x80000000 ) == 0x00000000 ) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSB(addr) ( ( (addr) & 0xc0000000 ) == 0x80000000 ) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSC(addr) ( ( (addr) & 0xe0000000 ) == 0xc0000000 ) +#define IN_CLASSC_NET 0xffffff00 +#define IN_MULTICAST(addr) ( ( (addr) & 0xf0000000 ) == 0xe0000000 ) /** * IP address structure |