diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd_1363/include/proto/bcmipv6.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd_1363/include/proto/bcmipv6.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd_1363/include/proto/bcmipv6.h b/drivers/net/wireless/bcmdhd_1363/include/proto/bcmipv6.h new file mode 100644 index 000000000000..f446e47bf296 --- /dev/null +++ b/drivers/net/wireless/bcmdhd_1363/include/proto/bcmipv6.h @@ -0,0 +1,163 @@ +/* + * Fundamental constants relating to Neighbor Discovery Protocol + * + * Copyright (C) 1999-2017, Broadcom Corporation + * + * 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 + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * + * <<Broadcom-WL-IPTag/Open:>> + * + * $Id: bcmipv6.h 518342 2014-12-01 23:21:41Z $ + */ + +#ifndef _bcmipv6_h_ +#define _bcmipv6_h_ + +#ifndef _TYPEDEFS_H_ +#include <typedefs.h> +#endif + +/* This marks the start of a packed structure section. */ +#include <packed_section_start.h> + +/* Extension headers */ +#define IPV6_EXT_HOP 0 +#define IPV6_EXT_ROUTE 43 +#define IPV6_EXT_FRAG 44 +#define IPV6_EXT_DEST 60 +#define IPV6_EXT_ESEC 50 +#define IPV6_EXT_AUTH 51 + +/* Minimum size (extension header "word" length) */ +#define IPV6_EXT_WORD 8 + +/* Offsets for most extension headers */ +#define IPV6_EXT_NEXTHDR 0 +#define IPV6_EXT_HDRLEN 1 + +/* Constants specific to fragmentation header */ +#define IPV6_FRAG_MORE_MASK 0x0001 +#define IPV6_FRAG_MORE_SHIFT 0 +#define IPV6_FRAG_OFFS_MASK 0xfff8 +#define IPV6_FRAG_OFFS_SHIFT 3 + +/* For icmpv6 */ +#define ICMPV6_HEADER_TYPE 0x3A +#define ICMPV6_PKT_TYPE_RA 134 +#define ICMPV6_PKT_TYPE_NS 135 +#define ICMPV6_PKT_TYPE_NA 136 + +#define ICMPV6_ND_OPT_TYPE_TARGET_MAC 2 +#define ICMPV6_ND_OPT_TYPE_SRC_MAC 1 + +#define ICMPV6_ND_OPT_LEN_LINKADDR 1 + +#define ICMPV6_ND_OPT_LEN_LINKADDR 1 + +#define IPV6_VERSION 6 +#define IPV6_HOP_LIMIT 255 + +#define IPV6_ADDR_NULL(a) ((a[0] | a[1] | a[2] | a[3] | a[4] | \ + a[5] | a[6] | a[7] | a[8] | a[9] | \ + a[10] | a[11] | a[12] | a[13] | \ + a[14] | a[15]) == 0) + +#define IPV6_ADDR_LOCAL(a) (((a[0] == 0xfe) && (a[1] & 0x80))? TRUE: FALSE) + +/* IPV6 address */ +BWL_PRE_PACKED_STRUCT struct ipv6_addr { + uint8 addr[16]; +} BWL_POST_PACKED_STRUCT; + + +/* ICMPV6 Header */ +BWL_PRE_PACKED_STRUCT struct icmp6_hdr { + uint8 icmp6_type; + uint8 icmp6_code; + uint16 icmp6_cksum; + BWL_PRE_PACKED_STRUCT union { + uint32 reserved; + BWL_PRE_PACKED_STRUCT struct nd_advt { + uint32 reserved1:5, + override:1, + solicited:1, + router:1, + reserved2:24; + } BWL_POST_PACKED_STRUCT nd_advt; + } BWL_POST_PACKED_STRUCT opt; +} BWL_POST_PACKED_STRUCT; + +/* Ipv6 Header Format */ +BWL_PRE_PACKED_STRUCT struct ipv6_hdr { + uint8 priority:4, + version:4; + uint8 flow_lbl[3]; + uint16 payload_len; + uint8 nexthdr; + uint8 hop_limit; + struct ipv6_addr saddr; + struct ipv6_addr daddr; +} BWL_POST_PACKED_STRUCT; + +/* Neighbor Advertisement/Solicitation Packet Structure */ +BWL_PRE_PACKED_STRUCT struct bcm_nd_msg { + struct icmp6_hdr icmph; + struct ipv6_addr target; +} BWL_POST_PACKED_STRUCT; + + +/* Neighibor Solicitation/Advertisement Optional Structure */ +BWL_PRE_PACKED_STRUCT struct nd_msg_opt { + uint8 type; + uint8 len; + uint8 mac_addr[ETHER_ADDR_LEN]; +} BWL_POST_PACKED_STRUCT; + +/* Ipv6 Fragmentation Header */ +BWL_PRE_PACKED_STRUCT struct ipv6_frag { + uint8 nexthdr; + uint8 reserved; + uint16 frag_offset; + uint32 ident; +} BWL_POST_PACKED_STRUCT; + +/* This marks the end of a packed structure section. */ +#include <packed_section_end.h> + +static const struct ipv6_addr all_node_ipv6_maddr = { + { 0xff, 0x2, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 1 + }}; + +#define IPV6_ISMULTI(a) (a[0] == 0xff) + +#define IPV6_MCAST_TO_ETHER_MCAST(ipv6, ether) \ +{ \ + ether[0] = 0x33; \ + ether[1] = 0x33; \ + ether[2] = ipv6[12]; \ + ether[3] = ipv6[13]; \ + ether[4] = ipv6[14]; \ + ether[5] = ipv6[15]; \ +} + +#endif /* !defined(_bcmipv6_h_) */ |