diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmip.h')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmip.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmip.h b/sys/contrib/octeon-sdk/cvmip.h new file mode 100644 index 0000000..4bcaaa6 --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmip.h @@ -0,0 +1,209 @@ +/***********************license start*************** + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Inc. nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + + + + + + +/** + * @file + * + * Cavium Inc. Internet Protocol (IP) + * + * Definitions for the Internet Protocol (IP) support. + * + * <hr>$Revision: 70030 $<hr> + * + */ + +#ifndef __CVMIP_H__ +#define __CVMIP_H__ + + +/* + * IP protocol values (1 byte) + * + */ +#define CVMIP_PROTO_ICMP 1 /* Internet Control Message Protocol */ +#define CVMIP_PROTO_TCP 6 /* Transmission Control Protocol */ +#define CVMIP_PROTO_UDP 17 /* User Datagram Protocol */ +#define CVMIP_PROTO_ESP 50 /* Encapsulated Security Payload */ +#define CVMIP_PROTO_AH 51 /* Authentication Header */ + + +/** + * network packet header definitions + * (originally from octane_hw.h) + * + */ + +/** + * UDP Packet header + */ +typedef struct { + union { + int32_t s32 ; + uint32_t u32 ; + struct { + uint16_t src_prt ; + uint16_t dst_prt ; + } s; + } prts; + uint16_t len ; + uint16_t chksum ; +} cvmip_udp_hdr_t; + +/** + * TCP Packet header + */ +typedef struct { + uint16_t src_prt ; + uint16_t dst_prt ; + uint32_t seq ; + uint32_t ack_seq ; + uint32_t hlen :4; + uint32_t rsvd :6; + uint32_t urg :1; + uint32_t ack :1; + uint32_t psh :1; + uint32_t rst :1; + uint32_t syn :1; + uint32_t fin :1; + uint16_t win_sz ; + uint16_t chksum ; + uint16_t urg_ptr ; + uint32_t junk ; +} cvmip_tcp_hdr_t; + +/** + * L4 Packet header + */ +typedef union { + cvmip_udp_hdr_t udphdr; + cvmip_tcp_hdr_t tcphdr; + struct { + union { + int32_t s32 ; + uint32_t u32 ; + struct { + uint16_t src_prt; + uint16_t dst_prt; + } s; + } prts; + uint16_t len ; + uint16_t chksum ; + char dat[48] ; // 48 for IPv6 with no extension hdrs, 64 for IPv4 without options + } udp; + struct { + uint16_t src_prt ; + uint16_t dst_prt ; + uint32_t seq ; + uint32_t ack_seq ; + uint32_t hlen :4; + uint32_t rsvd :6; + uint32_t urg :1; + uint32_t ack :1; + uint32_t psh :1; + uint32_t rst :1; + uint32_t syn :1; + uint32_t fin :1; + uint16_t win_sz ; + uint16_t chksum ; + uint16_t urg_ptr ; + char dat[36] ; // 36 for IPv6 with no extension hdrs, 52 for IPv6 without options + } tcp; +} cvmip_l4_info_t; + +/** + * Special struct to add a pad to IPv4 header + */ +typedef struct { + uint32_t pad; + + uint32_t version : 4; + uint32_t hl : 4; + uint8_t tos ; + uint16_t len ; + + uint16_t id ; + uint32_t mbz : 1; + uint32_t df : 1; + uint32_t mf : 1; + uint32_t off :13; + + uint8_t ttl ; + uint8_t protocol; + uint16_t chksum ; + + union { + uint64_t u64; + struct { + uint32_t src; + uint32_t dst; + } s; + } src_dst; +} cvmip_ipv4_hdr_t; + +/** + * IPv6 Packet header + */ +typedef struct { + + uint32_t version : 4; + uint32_t v6class : 8; + uint32_t flow :20; + + uint16_t len ; // includes extension headers plus payload (add 40 to be equiv to v4 len field) + uint8_t next_hdr; // equivalent to the v4 protocol field + uint8_t hop_lim ; // equivalent to the v4 TTL field + + union { + uint64_t u64[4]; + struct { + uint64_t src[2]; + uint64_t dst[2]; + } s; + } src_dst; + +} cvmip_ipv6_hdr_t; + + +#endif /* __CVMIP_H__ */ |
