The Pedigree Project  0.1
Macros
prot/ip.h File Reference
#include "lwip/arch.h"
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Macros

#define IP_PROTO_ICMP   1
 
#define IP_PROTO_IGMP   2
 
#define IP_PROTO_UDP   17
 
#define IP_PROTO_UDPLITE   136
 
#define IP_PROTO_TCP   6
 
#define IP_HDR_GET_VERSION(ptr)   ((*(u8_t*)(ptr)) >> 4)
 

Detailed Description

IP protocol definitions

Definition in file prot/ip.h.

Macro Definition Documentation

#define IP_HDR_GET_VERSION (   ptr)    ((*(u8_t*)(ptr)) >> 4)

This operates on a void* by loading the first byte

Definition at line 68 of file prot/ip.h.