7599ebb89d
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242 lines
No EOL
5.5 KiB
Text
242 lines
No EOL
5.5 KiB
Text
/* -*- P4_16 -*- */
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#ifndef HEADERS_P4
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#define HEADERS_P4
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#include <core.p4>
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/**************************************** NetPFGA ****************************************/
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/* already defined in sume_switch.p4 */
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#ifndef _SUME_SWITCH_P4_
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typedef bit<9> port_t;
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#endif
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/**************************************** types ****************************************/
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typedef bit<48> mac_addr_t;
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typedef bit<32> ipv4_addr_t;
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typedef bit<128> ipv6_addr_t;
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typedef bit<16> mcast_t;
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typedef bit<16> task_t;
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typedef bit<16> table_t; /* to map debug messages - 16 bit to match shortenumfield */
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/**************************************** constants ****************************************/
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const bit<16> TABLE_NAT64 = 1;
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const bit<16> TABLE_ICMP6 = 2;
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const bit<16> TABLE_V6_NETWORKS = 3;
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const bit<16> TABLE_NAT46 = 4;
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const bit<16> TABLE_V4_NETWORKS = 5;
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const bit<16> TABLE_ARP = 6;
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const bit<16> TABLE_ARP_EGRESS = 7;
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const bit<16> TABLE_ICMP = 8;
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const bit<16> TABLE_NAT64_TCP = 9;
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const bit<16> TABLE_NAT64_UDP = 10;
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const bit<16> TABLE_NAT64_ICMP6 = 11;
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const bit<16> TABLE_NAT64_SESSION = 12;
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const bit<16> TYPE_IPV4 = 0x0800;
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const bit<16> TYPE_IPV6 = 0x86DD;
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const bit<16> TYPE_CPU = 0x4242;
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const bit<16> TYPE_DEBUG = 0x2323;
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const bit<16> TYPE_ARP = 0x0806;
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const bit<8> PROTO_ICMP = 1;
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const bit<8> PROTO_TCP = 6;
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const bit<8> PROTO_UDP = 17;
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const bit<8> PROTO_ICMP6 = 58;
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const bit<8> TCP_SEQ_LEN = 4;
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const bit<8> ICMP6_ECHO_REQUEST = 128;
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const bit<8> ICMP6_ECHO_REPLY = 129;
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const bit<8> ICMP6_NS = 135;
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const bit<8> ICMP6_NA = 136;
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const bit<8> ICMP_ECHO_REPLY = 0;
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const bit<8> ICMP_ECHO_REQUEST = 8;
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const bit<16> ARP_REQUEST = 1;
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const bit<16> ARP_REPLY = 2;
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/* RFC4861, Section 4.6 */
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const bit<8> ICMP6_NDP_OPT_SOURCE_LL = 1;
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const bit<8> ICMP6_NDP_OPT_TARGET_LL = 2;
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const bit<8> ICMP6_NDP_OPT_PREFIX_INFO = 3;
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const bit<8> ICMP6_NDP_OPT_REDIR_HEADER = 4;
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const bit<8> ICMP6_NDP_OPT_MTU = 5;
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/* Tasks from switch to controller - no RFC, internal */
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const task_t TASK_ICMP6_NS = 1;
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const task_t TASK_ICMP6_GENERAL = 2;
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const task_t TASK_DEBUG = 3;
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const task_t TASK_ICMP6_REPLY = 4;
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const task_t TASK_CHECKSUM_ICMP6 = 5; /* data plane */
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const task_t TASK_CHECKSUM_ICMP6_NA = 6; /* data plane */
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const task_t TASK_CHECKSUM_ICMP = 7; /* data plane */
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const task_t TASK_NAT64_TCP_SESSION = 8; /* control plane */
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/**************************************** header ****************************************/
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/* 48+48+16 = 112 */
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header ethernet_t {
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mac_addr_t dst_addr;
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mac_addr_t src_addr;
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bit<16> ethertype;
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}
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header ipv4_t {
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bit<4> version;
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bit<4> ihl;
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bit<6> diff_serv;
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bit<2> ecn;
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bit<16> totalLen;
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bit<16> identification;
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bit<3> flags;
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bit<13> fragOffset;
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bit<8> ttl;
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bit<8> protocol;
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bit<16> hdrChecksum;
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ipv4_addr_t src_addr;
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ipv4_addr_t dst_addr;
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}
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/*
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https://en.wikipedia.org/wiki/IPv6_packet
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64 + 256 = 320
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*/
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header ipv6_t {
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bit<4> version;
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bit<8> traffic_class;
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bit<20> flow_label;
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bit<16> payload_length;
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bit<8> next_header;
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bit<8> hop_limit;
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ipv6_addr_t src_addr;
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ipv6_addr_t dst_addr;
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}
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header tcp_t{
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bit<16> src_port;
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bit<16> dst_port;
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int<32> seqNo;
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int<32> ackNo;
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bit<4> data_offset;
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bit<4> res;
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bit<1> cwr;
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bit<1> ece;
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bit<1> urg;
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bit<1> ack;
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bit<1> psh;
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bit<1> rst;
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bit<1> syn;
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bit<1> fin;
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bit<16> window;
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bit<16> checksum;
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bit<16> urgentPtr;
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}
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header udp_t {
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bit<16> src_port;
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bit<16> dst_port;
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bit<16> payload_length;
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bit<16> checksum;
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}
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header icmp6_t {
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bit<8> type;
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bit<8> code;
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bit<16> checksum;
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}
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/*
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https://tools.ietf.org/html/rfc4861#section-4.4
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*/
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header icmp6_na_ns_t {
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bit<1> router;
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bit<1> solicitated;
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bit<1> override;
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bit<29> reserved;
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ipv6_addr_t target_addr;
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}
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header icmp6_option_link_layer_addr_t {
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bit<8> type;
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bit<8> ll_length;
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mac_addr_t mac_addr;
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}
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header icmp_t {
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bit<8> type;
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bit<8> code;
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bit<16> checksum;
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}
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header arp_t {
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bit<16> hw_type;
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bit<16> protocol;
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bit<8> hw_size;
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bit<8> protocol_size;
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bit<16> opcode;
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mac_addr_t src_mac_addr;
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ipv4_addr_t src_ipv4_addr;
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mac_addr_t dst_mac_addr;
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ipv4_addr_t dst_ipv4_addr;
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}
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header cpu_t {
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task_t task;
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bit<16> ingress_port;
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bit<16> ethertype;
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table_t table_id;
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}
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/**************************************** struct ****************************************/
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struct headers {
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ethernet_t ethernet;
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ipv4_t ipv4;
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ipv6_t ipv6;
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tcp_t tcp;
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udp_t udp;
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icmp_t icmp;
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cpu_t cpu;
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icmp6_t icmp6;
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icmp6_na_ns_t icmp6_na_ns;
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icmp6_option_link_layer_addr_t icmp6_option_link_layer_addr;
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arp_t arp;
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}
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struct metadata {
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port_t ingress_port;
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task_t task;
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task_t switch_task;
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/* migrate tasks to bool */
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bit<1> chk_icmp6_na_ns;
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bit<1> chk_icmp6;
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bit<1> chk_icmp;
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bit<1> chk_ipv4;
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bit<1> chk_udp_v4;
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bit<1> chk_udp_v6;
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bit<1> chk_tcp_v4;
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bit<1> chk_tcp_v6;
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bit<16> length_without_ip_header;
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bit<32> cast_length;
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/* for delta checksums */
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bit<16> v4sum;
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bit<16> v6sum;
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bit<16> headerdiff;
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table_t table_id;
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}
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#endif |