e2b1186cca
net::tcp_hdr_len_min net::ipv4_hdr_len_min net::ipv6_hdr_len_min InetTraits::ip_hdr_len_min is added to handle both ipv4 and ipv6.
25 lines
481 B
C++
25 lines
481 B
C++
/*
|
|
* Copyright (C) 2014 Cloudius Systems, Ltd.
|
|
*/
|
|
|
|
#ifndef CONST_HH_
|
|
#define CONST_HH_
|
|
namespace net {
|
|
|
|
enum class ip_protocol_num : uint8_t {
|
|
icmp = 1, tcp = 6, udp = 17, unused = 255
|
|
};
|
|
|
|
enum class eth_protocol_num : uint16_t {
|
|
ipv4 = 0x0800, arp = 0x0806, ipv6 = 0x86dd
|
|
};
|
|
|
|
const uint8_t eth_hdr_len = 14;
|
|
const uint8_t tcp_hdr_len_min = 20;
|
|
const uint8_t ipv4_hdr_len_min = 20;
|
|
const uint8_t ipv6_hdr_len_min = 40;
|
|
const uint16_t ip_packet_len_max = 65535;
|
|
|
|
}
|
|
#endif
|