diff options
Diffstat (limited to 'drivers/staging/rt3090/ipv6.h')
| -rw-r--r-- | drivers/staging/rt3090/ipv6.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/drivers/staging/rt3090/ipv6.h b/drivers/staging/rt3090/ipv6.h new file mode 100644 index 000000000000..c34a5f2569dd --- /dev/null +++ b/drivers/staging/rt3090/ipv6.h @@ -0,0 +1,215 @@ +/* + ************************************************************************* + * Ralink Tech Inc. + * 5F., No.36, Taiyuan St., Jhubei City, + * Hsinchu County 302, + * Taiwan, R.O.C. + * + * (c) Copyright 2002-2007, Ralink Technology, Inc. + * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * * + ************************************************************************* + + Module Name: + ipv6.h + + Abstract: + Miniport generic portion header file + + Revision History: + Who When What + -------- ---------- ---------------------------------------------- +*/ + +#ifndef __IPV6_HDR_H_ +#define __IPV6_HDR_H_ + +#define IPV6_ADDR_LEN 16 +#define IPV6_HDR_LEN 40 + +// IPv6 address definition +#define IPV6_LINK_LOCAL_ADDR_PREFIX 0xFE8 +#define IPV6_SITE_LOCAL_ADDR_PREFIX 0xFEC +#define IPV6_LOCAL_ADDR_PREFIX 0xFE8 +#define IPV6_MULTICAST_ADDR_PREFIX 0xFF +#define IPV6_LOOPBACK_ADDR 0x1 +#define IPV6_UNSPECIFIED_ADDR 0x0 + +// defined as sequence in IPv6 header +#define IPV6_NEXT_HEADER_HOP_BY_HOP 0x00 // 0 +#define IPV6_NEXT_HEADER_DESTINATION 0x3c // 60 +#define IPV6_NEXT_HEADER_ROUTING 0x2b // 43 +#define IPV6_NEXT_HEADER_FRAGMENT 0x2c // 44 +#define IPV6_NEXT_HEADER_AUTHENTICATION 0x33 // 51 +#define IPV6_NEXT_HEADER_ENCAPSULATION 0x32 // 50, RFC-2406 +#define IPV6_NEXT_HEADER_NONE 0x3b // 59 + +#define IPV6_NEXT_HEADER_TCP 0x06 +#define IPV6_NEXT_HEADER_UDP 0x11 +#define IPV6_NEXT_HEADER_ICMPV6 0x3a + +// ICMPv6 msg type definition +#define ICMPV6_MSG_TYPE_ROUTER_SOLICITATION 0x85 // 133 +#define ROUTER_SOLICITATION_FIXED_LEN 8 + +#define ICMPV6_MSG_TYPE_ROUTER_ADVERTISEMENT 0x86 // 134 +#define ROUTER_ADVERTISEMENT_FIXED_LEN 16 + +#define ICMPV6_MSG_TYPE_NEIGHBOR_SOLICITATION 0x87 // 135 +#define NEIGHBOR_SOLICITATION_FIXED_LEN 24 + +#define ICMPV6_MSG_TYPE_NEIGHBOR_ADVERTISEMENT 0x88 // 136 +#define NEIGHBOR_ADVERTISEMENT_FIXED_LEN 24 + +#define ICMPV6_MSG_TYPE_REDIRECT 0x89 // 137 +#define REDIRECT_FIXED_LEN 40 + +/* IPv6 Address related structures */ +typedef struct rt_ipv6_addr_ +{ + union + { + UCHAR ipv6Addr8[16]; + USHORT ipv6Addr16[8]; + UINT32 ipv6Addr32[4]; + }addr; +#define ipv6_addr addr.ipv6Addr8 +#define ipv6_addr16 addr.ipv6Addr16 +#define ipv6_addr32 addr.ipv6Addr32 +}RT_IPV6_ADDR, *PRT_IPV6_ADDR; + + +#define PRINT_IPV6_ADDR(ipv6Addr) \ + OS_NTOHS((ipv6Addr).ipv6_addr16[0]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[1]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[2]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[3]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[4]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[5]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[6]), \ + OS_NTOHS((ipv6Addr).ipv6_addr16[7]) + + +/*IPv6 Header related structures */ +typedef struct PACKED _rt_ipv6_hdr_ +{ + UINT32 ver:4, + trafficClass:8, + flowLabel:20; + USHORT payload_len; + UCHAR nextHdr; + UCHAR hopLimit; + RT_IPV6_ADDR srcAddr; + RT_IPV6_ADDR dstAddr; +}RT_IPV6_HDR, *PRT_IPV6_HDR; + + +typedef struct PACKED _rt_ipv6_ext_hdr_ +{ + UCHAR nextProto; // Indicate the protocol type of next extension header. + UCHAR extHdrLen; // optional field for msg length of this extension header which didn't include the first "nextProto" field. + UCHAR octets[1]; // hook to extend header message body. +}RT_IPV6_EXT_HDR, *PRT_IPV6_EXT_HDR; + + +/* ICMPv6 related structures */ +typedef struct PACKED _rt_ipv6_icmpv6_hdr_ +{ + UCHAR type; + UCHAR code; + USHORT chksum; + UCHAR octets[1]; //hook to extend header message body. +}RT_ICMPV6_HDR, *PRT_ICMPV6_HDR; + + +typedef struct PACKED _rt_icmp6_option_hdr_ +{ + UCHAR type; + UCHAR len; + UCHAR octet[1]; +}RT_ICMPV6_OPTION_HDR, *PRT_ICMPV6_OPTION_HDR; + +typedef enum{ +// Defined ICMPv6 Option Types. + TYPE_SRC_LL_ADDR = 1, + TYPE_TGT_LL_ADDR = 2, + TYPE_PREFIX_INFO = 3, + TYPE_REDIRECTED_HDR = 4, + TYPE_MTU = 5, +}ICMPV6_OPTIONS_TYPE_DEF; + + +static inline BOOLEAN IPv6ExtHdrHandle( + RT_IPV6_EXT_HDR *pExtHdr, + UCHAR *pProto, + UINT32 *pOffset) +{ + UCHAR nextProto = 0xff; + UINT32 extLen = 0; + BOOLEAN status = TRUE; + + //printk("%s(): parsing the Extension Header with Protocol(0x%x):\n", __FUNCTION__, *pProto); + switch (*pProto) + { + case IPV6_NEXT_HEADER_HOP_BY_HOP: + // IPv6ExtHopByHopHandle(); + nextProto = pExtHdr->nextProto; + extLen = (pExtHdr->extHdrLen + 1) * 8; + break; + + case IPV6_NEXT_HEADER_DESTINATION: + // IPv6ExtDestHandle(); + nextProto = pExtHdr->nextProto; + extLen = (pExtHdr->extHdrLen + 1) * 8; + break; + + case IPV6_NEXT_HEADER_ROUTING: + // IPv6ExtRoutingHandle(); + nextProto = pExtHdr->nextProto; + extLen = (pExtHdr->extHdrLen + 1) * 8; + break; + + case IPV6_NEXT_HEADER_FRAGMENT: + // IPv6ExtFragmentHandle(); + nextProto = pExtHdr->nextProto; + extLen = 8; // The Fragment header length is fixed to 8 bytes. + break; + + case IPV6_NEXT_HEADER_AUTHENTICATION: + // IPV6_NEXT_HEADER_ENCAPSULATION: + /* + TODO: Not support. For encryption issue. + */ + nextProto = 0xFF; + status = FALSE; + break; + + default: + nextProto = 0xFF; + status = FALSE; + break; + } + + *pProto = nextProto; + *pOffset += extLen; + //printk("%s(): nextProto = 0x%x!, offset=0x%x!\n", __FUNCTION__, nextProto, offset); + + return status; + +} + +#endif // __IPV6_HDR_H_ // |