diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/proto/bcmip.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/proto/bcmip.h | 64 |
1 files changed, 60 insertions, 4 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/proto/bcmip.h b/drivers/net/wireless/bcmdhd/include/proto/bcmip.h index 55eff247c49..d5c3b76da5a 100644 --- a/drivers/net/wireless/bcmdhd/include/proto/bcmip.h +++ b/drivers/net/wireless/bcmdhd/include/proto/bcmip.h @@ -1,7 +1,7 @@ /* - * Copyright (C) 1999-2011, Broadcom Corporation + * Copyright (C) 1999-2012, Broadcom Corporation * - * Unless you and Broadcom execute a separate written software license + * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the @@ -21,10 +21,9 @@ * * Fundamental constants relating to IP Protocol * - * $Id: bcmip.h 277737 2011-08-16 17:54:59Z $ + * $Id: bcmip.h 290206 2011-10-17 19:13:51Z $ */ - #ifndef _bcmip_h_ #define _bcmip_h_ @@ -47,8 +46,10 @@ ((((uint8 *)(ip_body))[IP_VER_OFFSET] & IP_VER_MASK) >> IP_VER_SHIFT) #define IP_PROT_ICMP 0x1 +#define IP_PROT_IGMP 0x2 #define IP_PROT_TCP 0x6 #define IP_PROT_UDP 0x11 +#define IP_PROT_ICMP6 0x3a #define IPV4_VER_HL_OFFSET 0 @@ -149,6 +150,61 @@ BWL_PRE_PACKED_STRUCT struct ipv4_hdr { IP_VER(ip_body) == IP_VER_6 ? IPV6_TRAFFIC_CLASS(ip_body) : 0) +#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; +} + + #include <packed_section_end.h> #endif |