1210284Sjmallett/***********************license start*************** 2232812Sjmallett * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights 3215990Sjmallett * reserved. 4210284Sjmallett * 5210284Sjmallett * 6215990Sjmallett * Redistribution and use in source and binary forms, with or without 7215990Sjmallett * modification, are permitted provided that the following conditions are 8215990Sjmallett * met: 9210284Sjmallett * 10215990Sjmallett * * Redistributions of source code must retain the above copyright 11215990Sjmallett * notice, this list of conditions and the following disclaimer. 12210284Sjmallett * 13215990Sjmallett * * Redistributions in binary form must reproduce the above 14215990Sjmallett * copyright notice, this list of conditions and the following 15215990Sjmallett * disclaimer in the documentation and/or other materials provided 16215990Sjmallett * with the distribution. 17215990Sjmallett 18232812Sjmallett * * Neither the name of Cavium Inc. nor the names of 19215990Sjmallett * its contributors may be used to endorse or promote products 20215990Sjmallett * derived from this software without specific prior written 21215990Sjmallett * permission. 22215990Sjmallett 23215990Sjmallett * This Software, including technical data, may be subject to U.S. export control 24215990Sjmallett * laws, including the U.S. Export Administration Act and its associated 25215990Sjmallett * regulations, and may be subject to export or import regulations in other 26215990Sjmallett * countries. 27215990Sjmallett 28215990Sjmallett * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 29232812Sjmallett * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR 30215990Sjmallett * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO 31215990Sjmallett * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 32215990Sjmallett * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 33215990Sjmallett * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 34215990Sjmallett * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 35215990Sjmallett * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 36215990Sjmallett * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 37215990Sjmallett * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 38210284Sjmallett ***********************license end**************************************/ 39210284Sjmallett 40210284Sjmallett 41210284Sjmallett 42210284Sjmallett 43210284Sjmallett 44210284Sjmallett 45215990Sjmallett 46210284Sjmallett/** 47210284Sjmallett * @file 48210284Sjmallett * 49232812Sjmallett * Cavium Inc. Internet Protocol (IP) 50210284Sjmallett * 51210284Sjmallett * Definitions for the Internet Protocol (IP) support. 52210284Sjmallett * 53232812Sjmallett * <hr>$Revision: 70030 $<hr> 54210284Sjmallett * 55210284Sjmallett */ 56210284Sjmallett 57210284Sjmallett#ifndef __CVMIP_H__ 58210284Sjmallett#define __CVMIP_H__ 59210284Sjmallett 60210284Sjmallett 61210284Sjmallett/* 62210284Sjmallett * IP protocol values (1 byte) 63210284Sjmallett * 64210284Sjmallett */ 65210284Sjmallett#define CVMIP_PROTO_ICMP 1 /* Internet Control Message Protocol */ 66210284Sjmallett#define CVMIP_PROTO_TCP 6 /* Transmission Control Protocol */ 67210284Sjmallett#define CVMIP_PROTO_UDP 17 /* User Datagram Protocol */ 68210284Sjmallett#define CVMIP_PROTO_ESP 50 /* Encapsulated Security Payload */ 69210284Sjmallett#define CVMIP_PROTO_AH 51 /* Authentication Header */ 70210284Sjmallett 71210284Sjmallett 72210284Sjmallett/** 73210284Sjmallett * network packet header definitions 74210284Sjmallett * (originally from octane_hw.h) 75210284Sjmallett * 76210284Sjmallett */ 77210284Sjmallett 78210284Sjmallett/** 79210284Sjmallett * UDP Packet header 80210284Sjmallett */ 81210284Sjmalletttypedef struct { 82210284Sjmallett union { 83210284Sjmallett int32_t s32 ; 84210284Sjmallett uint32_t u32 ; 85210284Sjmallett struct { 86210284Sjmallett uint16_t src_prt ; 87210284Sjmallett uint16_t dst_prt ; 88210284Sjmallett } s; 89210284Sjmallett } prts; 90210284Sjmallett uint16_t len ; 91210284Sjmallett uint16_t chksum ; 92210284Sjmallett} cvmip_udp_hdr_t; 93210284Sjmallett 94210284Sjmallett/** 95210284Sjmallett * TCP Packet header 96210284Sjmallett */ 97210284Sjmalletttypedef struct { 98210284Sjmallett uint16_t src_prt ; 99210284Sjmallett uint16_t dst_prt ; 100210284Sjmallett uint32_t seq ; 101210284Sjmallett uint32_t ack_seq ; 102210284Sjmallett uint32_t hlen :4; 103210284Sjmallett uint32_t rsvd :6; 104210284Sjmallett uint32_t urg :1; 105210284Sjmallett uint32_t ack :1; 106210284Sjmallett uint32_t psh :1; 107210284Sjmallett uint32_t rst :1; 108210284Sjmallett uint32_t syn :1; 109210284Sjmallett uint32_t fin :1; 110210284Sjmallett uint16_t win_sz ; 111210284Sjmallett uint16_t chksum ; 112210284Sjmallett uint16_t urg_ptr ; 113210284Sjmallett uint32_t junk ; 114210284Sjmallett} cvmip_tcp_hdr_t; 115210284Sjmallett 116210284Sjmallett/** 117210284Sjmallett * L4 Packet header 118210284Sjmallett */ 119210284Sjmalletttypedef union { 120210284Sjmallett cvmip_udp_hdr_t udphdr; 121210284Sjmallett cvmip_tcp_hdr_t tcphdr; 122210284Sjmallett struct { 123210284Sjmallett union { 124210284Sjmallett int32_t s32 ; 125210284Sjmallett uint32_t u32 ; 126210284Sjmallett struct { 127210284Sjmallett uint16_t src_prt; 128210284Sjmallett uint16_t dst_prt; 129210284Sjmallett } s; 130210284Sjmallett } prts; 131210284Sjmallett uint16_t len ; 132210284Sjmallett uint16_t chksum ; 133210284Sjmallett char dat[48] ; // 48 for IPv6 with no extension hdrs, 64 for IPv4 without options 134210284Sjmallett } udp; 135210284Sjmallett struct { 136210284Sjmallett uint16_t src_prt ; 137210284Sjmallett uint16_t dst_prt ; 138210284Sjmallett uint32_t seq ; 139210284Sjmallett uint32_t ack_seq ; 140210284Sjmallett uint32_t hlen :4; 141210284Sjmallett uint32_t rsvd :6; 142210284Sjmallett uint32_t urg :1; 143210284Sjmallett uint32_t ack :1; 144210284Sjmallett uint32_t psh :1; 145210284Sjmallett uint32_t rst :1; 146210284Sjmallett uint32_t syn :1; 147210284Sjmallett uint32_t fin :1; 148210284Sjmallett uint16_t win_sz ; 149210284Sjmallett uint16_t chksum ; 150210284Sjmallett uint16_t urg_ptr ; 151210284Sjmallett char dat[36] ; // 36 for IPv6 with no extension hdrs, 52 for IPv6 without options 152210284Sjmallett } tcp; 153210284Sjmallett} cvmip_l4_info_t; 154210284Sjmallett 155210284Sjmallett/** 156210284Sjmallett * Special struct to add a pad to IPv4 header 157210284Sjmallett */ 158210284Sjmalletttypedef struct { 159210284Sjmallett uint32_t pad; 160210284Sjmallett 161210284Sjmallett uint32_t version : 4; 162210284Sjmallett uint32_t hl : 4; 163210284Sjmallett uint8_t tos ; 164210284Sjmallett uint16_t len ; 165210284Sjmallett 166210284Sjmallett uint16_t id ; 167210284Sjmallett uint32_t mbz : 1; 168210284Sjmallett uint32_t df : 1; 169210284Sjmallett uint32_t mf : 1; 170210284Sjmallett uint32_t off :13; 171210284Sjmallett 172210284Sjmallett uint8_t ttl ; 173210284Sjmallett uint8_t protocol; 174210284Sjmallett uint16_t chksum ; 175210284Sjmallett 176210284Sjmallett union { 177210284Sjmallett uint64_t u64; 178210284Sjmallett struct { 179210284Sjmallett uint32_t src; 180210284Sjmallett uint32_t dst; 181210284Sjmallett } s; 182210284Sjmallett } src_dst; 183210284Sjmallett} cvmip_ipv4_hdr_t; 184210284Sjmallett 185210284Sjmallett/** 186210284Sjmallett * IPv6 Packet header 187210284Sjmallett */ 188210284Sjmalletttypedef struct { 189210284Sjmallett 190210284Sjmallett uint32_t version : 4; 191210284Sjmallett uint32_t v6class : 8; 192210284Sjmallett uint32_t flow :20; 193210284Sjmallett 194210284Sjmallett uint16_t len ; // includes extension headers plus payload (add 40 to be equiv to v4 len field) 195210284Sjmallett uint8_t next_hdr; // equivalent to the v4 protocol field 196210284Sjmallett uint8_t hop_lim ; // equivalent to the v4 TTL field 197210284Sjmallett 198210284Sjmallett union { 199210284Sjmallett uint64_t u64[4]; 200210284Sjmallett struct { 201210284Sjmallett uint64_t src[2]; 202210284Sjmallett uint64_t dst[2]; 203210284Sjmallett } s; 204210284Sjmallett } src_dst; 205210284Sjmallett 206210284Sjmallett} cvmip_ipv6_hdr_t; 207210284Sjmallett 208210284Sjmallett 209210284Sjmallett#endif /* __CVMIP_H__ */ 210