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Diffstat (limited to 'dhdutil/include/proto/bcmip.h')
| -rw-r--r-- | dhdutil/include/proto/bcmip.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/dhdutil/include/proto/bcmip.h b/dhdutil/include/proto/bcmip.h deleted file mode 100644 index abd7ff5..0000000 --- a/dhdutil/include/proto/bcmip.h +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 1999-2013, Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Fundamental constants relating to IP Protocol - * - * $Id: bcmip.h 384540 2013-02-12 04:28:58Z $ - */ - -#ifndef _bcmip_h_ -#define _bcmip_h_ - -#ifndef _TYPEDEFS_H_ -#include <typedefs.h> -#endif - -/* This marks the start of a packed structure section. */ -#include <packed_section_start.h> - - -/* IPV4 and IPV6 common */ -#define IP_VER_OFFSET 0x0 /* offset to version field */ -#define IP_VER_MASK 0xf0 /* version mask */ -#define IP_VER_SHIFT 4 /* version shift */ -#define IP_VER_4 4 /* version number for IPV4 */ -#define IP_VER_6 6 /* version number for IPV6 */ - -#define IP_VER(ip_body) \ - ((((uint8 *)(ip_body))[IP_VER_OFFSET] & IP_VER_MASK) >> IP_VER_SHIFT) - -#define IP_PROT_ICMP 0x1 /* ICMP protocol */ -#define IP_PROT_IGMP 0x2 /* IGMP protocol */ -#define IP_PROT_TCP 0x6 /* TCP protocol */ -#define IP_PROT_UDP 0x11 /* UDP protocol type */ -#define IP_PROT_ICMP6 0x3a /* ICMPv6 protocol type */ - -/* IPV4 field offsets */ -#define IPV4_VER_HL_OFFSET 0 /* version and ihl byte offset */ -#define IPV4_TOS_OFFSET 1 /* type of service offset */ -#define IPV4_PKTLEN_OFFSET 2 /* packet length offset */ -#define IPV4_PKTFLAG_OFFSET 6 /* more-frag,dont-frag flag offset */ -#define IPV4_PROT_OFFSET 9 /* protocol type offset */ -#define IPV4_CHKSUM_OFFSET 10 /* IP header checksum offset */ -#define IPV4_SRC_IP_OFFSET 12 /* src IP addr offset */ -#define IPV4_DEST_IP_OFFSET 16 /* dest IP addr offset */ -#define IPV4_OPTIONS_OFFSET 20 /* IP options offset */ -#define IPV4_MIN_HEADER_LEN 20 /* Minimum size for an IP header (no options) */ - -/* IPV4 field decodes */ -#define IPV4_VER_MASK 0xf0 /* IPV4 version mask */ -#define IPV4_VER_SHIFT 4 /* IPV4 version shift */ - -#define IPV4_HLEN_MASK 0x0f /* IPV4 header length mask */ -#define IPV4_HLEN(ipv4_body) (4 * (((uint8 *)(ipv4_body))[IPV4_VER_HL_OFFSET] & IPV4_HLEN_MASK)) - -#define IPV4_ADDR_LEN 4 /* IPV4 address length */ - -#define IPV4_ADDR_NULL(a) ((((uint8 *)(a))[0] | ((uint8 *)(a))[1] | \ - ((uint8 *)(a))[2] | ((uint8 *)(a))[3]) == 0) - -#define IPV4_ADDR_BCAST(a) ((((uint8 *)(a))[0] & ((uint8 *)(a))[1] & \ - ((uint8 *)(a))[2] & ((uint8 *)(a))[3]) == 0xff) - -#define IPV4_TOS_DSCP_MASK 0xfc /* DiffServ codepoint mask */ -#define IPV4_TOS_DSCP_SHIFT 2 /* DiffServ codepoint shift */ - -#define IPV4_TOS(ipv4_body) (((uint8 *)(ipv4_body))[IPV4_TOS_OFFSET]) - -#define IPV4_TOS_PREC_MASK 0xe0 /* Historical precedence mask */ -#define IPV4_TOS_PREC_SHIFT 5 /* Historical precedence shift */ - -#define IPV4_TOS_LOWDELAY 0x10 /* Lowest delay requested */ -#define IPV4_TOS_THROUGHPUT 0x8 /* Best throughput requested */ -#define IPV4_TOS_RELIABILITY 0x4 /* Most reliable delivery requested */ - -#define IPV4_PROT(ipv4_body) (((uint8 *)(ipv4_body))[IPV4_PROT_OFFSET]) - -#define IPV4_FRAG_RESV 0x8000 /* Reserved */ -#define IPV4_FRAG_DONT 0x4000 /* Don't fragment */ -#define IPV4_FRAG_MORE 0x2000 /* More fragments */ -#define IPV4_FRAG_OFFSET_MASK 0x1fff /* Fragment offset */ - -#define IPV4_ADDR_STR_LEN 16 /* Max IP address length in string format */ - -/* IPV4 packet formats */ -BWL_PRE_PACKED_STRUCT struct ipv4_addr { - uint8 addr[IPV4_ADDR_LEN]; -} BWL_POST_PACKED_STRUCT; - -BWL_PRE_PACKED_STRUCT struct ipv4_hdr { - uint8 version_ihl; /* Version and Internet Header Length */ - uint8 tos; /* Type Of Service */ - uint16 tot_len; /* Number of bytes in packet (max 65535) */ - uint16 id; - uint16 frag; /* 3 flag bits and fragment offset */ - uint8 ttl; /* Time To Live */ - uint8 prot; /* Protocol */ - uint16 hdr_chksum; /* IP header checksum */ - uint8 src_ip[IPV4_ADDR_LEN]; /* Source IP Address */ - uint8 dst_ip[IPV4_ADDR_LEN]; /* Destination IP Address */ -} BWL_POST_PACKED_STRUCT; - -/* IPV6 field offsets */ -#define IPV6_PAYLOAD_LEN_OFFSET 4 /* payload length offset */ -#define IPV6_NEXT_HDR_OFFSET 6 /* next header/protocol offset */ -#define IPV6_HOP_LIMIT_OFFSET 7 /* hop limit offset */ -#define IPV6_SRC_IP_OFFSET 8 /* src IP addr offset */ -#define IPV6_DEST_IP_OFFSET 24 /* dst IP addr offset */ - -/* IPV6 field decodes */ -#define IPV6_TRAFFIC_CLASS(ipv6_body) \ - (((((uint8 *)(ipv6_body))[0] & 0x0f) << 4) | \ - ((((uint8 *)(ipv6_body))[1] & 0xf0) >> 4)) - -#define IPV6_FLOW_LABEL(ipv6_body) \ - (((((uint8 *)(ipv6_body))[1] & 0x0f) << 16) | \ - (((uint8 *)(ipv6_body))[2] << 8) | \ - (((uint8 *)(ipv6_body))[3])) - -#define IPV6_PAYLOAD_LEN(ipv6_body) \ - ((((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 0] << 8) | \ - ((uint8 *)(ipv6_body))[IPV6_PAYLOAD_LEN_OFFSET + 1]) - -#define IPV6_NEXT_HDR(ipv6_body) \ - (((uint8 *)(ipv6_body))[IPV6_NEXT_HDR_OFFSET]) - -#define IPV6_PROT(ipv6_body) IPV6_NEXT_HDR(ipv6_body) - -#define IPV6_ADDR_LEN 16 /* IPV6 address length */ - -/* IPV4 TOS or IPV6 Traffic Classifier or 0 */ -#define IP_TOS46(ip_body) \ - (IP_VER(ip_body) == IP_VER_4 ? IPV4_TOS(ip_body) : \ - IP_VER(ip_body) == IP_VER_6 ? IPV6_TRAFFIC_CLASS(ip_body) : 0) - -/* IPV6 extension headers (options) */ -#define IPV6_EXTHDR_HOP 0 -#define IPV6_EXTHDR_ROUTING 43 -#define IPV6_EXTHDR_FRAGMENT 44 -#define IPV6_EXTHDR_AUTH 51 -#define IPV6_EXTHDR_NONE 59 -#define IPV6_EXTHDR_DEST 60 - -#define IPV6_EXTHDR(prot) (((prot) == IPV6_EXTHDR_HOP) || \ - ((prot) == IPV6_EXTHDR_ROUTING) || \ - ((prot) == IPV6_EXTHDR_FRAGMENT) || \ - ((prot) == IPV6_EXTHDR_AUTH) || \ - ((prot) == IPV6_EXTHDR_NONE) || \ - ((prot) == IPV6_EXTHDR_DEST)) - -#define IPV6_MIN_HLEN 40 - -#define IPV6_EXTHDR_LEN(eh) ((((struct ipv6_exthdr *)(eh))->hdrlen + 1) << 3) - -BWL_PRE_PACKED_STRUCT struct ipv6_exthdr { - uint8 nexthdr; - uint8 hdrlen; -} BWL_POST_PACKED_STRUCT; - -BWL_PRE_PACKED_STRUCT struct ipv6_exthdr_frag { - uint8 nexthdr; - uint8 rsvd; - uint16 frag_off; - uint32 ident; -} BWL_POST_PACKED_STRUCT; - -static INLINE int32 -ipv6_exthdr_len(uint8 *h, uint8 *proto) -{ - uint16 len = 0, hlen; - struct ipv6_exthdr *eh = (struct ipv6_exthdr *)h; - - while (IPV6_EXTHDR(eh->nexthdr)) { - if (eh->nexthdr == IPV6_EXTHDR_NONE) - return -1; - else if (eh->nexthdr == IPV6_EXTHDR_FRAGMENT) - hlen = 8; - else if (eh->nexthdr == IPV6_EXTHDR_AUTH) - hlen = (eh->hdrlen + 2) << 2; - else - hlen = IPV6_EXTHDR_LEN(eh); - - len += hlen; - eh = (struct ipv6_exthdr *)(h + len); - } - - *proto = eh->nexthdr; - return len; -} - -#define IPV4_ISMULTI(a) (((a) & 0xf0000000) == 0xe0000000) - -/* This marks the end of a packed structure section. */ -#include <packed_section_end.h> - -#endif /* _bcmip_h_ */ |