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net: Define IP flag field values

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These defines were pulled from the "Add simple
IP/UDP fragmentation support" patch from Frank
Haverkamp <haver@vnet.ibm.com>.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
This commit is contained in:
Peter Tyser
2008-12-01 16:26:20 -06:00
committed by Ben Warren
parent 23afaba65e
commit e0c07b868c
2 changed files with 9 additions and 3 deletions
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6
include/net.h
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@ -200,6 +200,12 @@ typedef struct {
ushort udp_xsum; /* Checksum */
} IP_t;
#define IP_OFFS 0x1fff /* ip offset *= 8 */
#define IP_FLAGS 0xe000 /* first 3 bits */
#define IP_FLAGS_RES 0x8000 /* reserved */
#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
#define IP_HDR_SIZE_NO_UDP (sizeof (IP_t) - 8)
#define IP_HDR_SIZE (sizeof (IP_t))