SourceVu will show references to ip_hdr from the following samples and libraries:
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ip_hdr struct
Syntax
struct ip_hdr
{
PACK_STRUCT_FLD_8(u8_t _v_hl);
PACK_STRUCT_FLD_8(u8_t _tos);
PACK_STRUCT_FIELD(u16_t _len);
PACK_STRUCT_FIELD(u16_t _id);
PACK_STRUCT_FIELD(u16_t _offset);
#define IP_RF 0x8000U
#define IP_DF 0x4000U
#define IP_MF 0x2000U
#define IP_OFFMASK 0x1fffU
PACK_STRUCT_FLD_8(u8_t _ttl);
PACK_STRUCT_FLD_8(u8_t _proto);
PACK_STRUCT_FIELD(u16_t _chksum);
PACK_STRUCT_FLD_S(ip4_addr_p_t src);
PACK_STRUCT_FLD_S(ip4_addr_p_t dest);
};
Fields
Related Functions
Found 4 other functions taking a ip_hdr
argument:
Function
Description
NAPT for a forwarded packet. It checks weather we need NAPT and modify the packet source address and port if needed.
NAPT for an input packet. It checks weather the destination is on NAPT table and modify the packet destination address and port if needed.
Forwards an IP packet. It finds an appropriate route for the packet, decrements the TTL value of the packet, adjusts the checksum and outputs the packet on the appropriate interface.