diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/proto/bcmip.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/proto/bcmip.h | 142 |
1 files changed, 77 insertions, 65 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/proto/bcmip.h b/drivers/net/wireless/bcmdhd/include/proto/bcmip.h index 02ddd37..4535ffa 100644 --- a/drivers/net/wireless/bcmdhd/include/proto/bcmip.h +++ b/drivers/net/wireless/bcmdhd/include/proto/bcmip.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1999-2012, Broadcom Corporation + * Copyright (C) 1999-2014, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -21,7 +21,7 @@ * * Fundamental constants relating to IP Protocol * - * $Id: bcmip.h 346935 2012-07-25 00:24:55Z $ + * $Id: bcmip.h 407335 2013-06-12 16:32:12Z $ */ #ifndef _bcmip_h_ @@ -31,46 +31,46 @@ #include <typedefs.h> #endif - +/* This marks the start of a packed structure section. */ #include <packed_section_start.h> - -#define IP_VER_OFFSET 0x0 -#define IP_VER_MASK 0xf0 -#define IP_VER_SHIFT 4 -#define IP_VER_4 4 -#define IP_VER_6 6 +/* 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 -#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 -#define IPV4_TOS_OFFSET 1 -#define IPV4_PKTLEN_OFFSET 2 -#define IPV4_PKTFLAG_OFFSET 6 -#define IPV4_PROT_OFFSET 9 -#define IPV4_CHKSUM_OFFSET 10 -#define IPV4_SRC_IP_OFFSET 12 -#define IPV4_DEST_IP_OFFSET 16 -#define IPV4_OPTIONS_OFFSET 20 -#define IPV4_MIN_HEADER_LEN 20 - - -#define IPV4_VER_MASK 0xf0 -#define IPV4_VER_SHIFT 4 - -#define IPV4_HLEN_MASK 0x0f +#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 +#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) @@ -78,53 +78,53 @@ #define IPV4_ADDR_BCAST(a) ((((uint8 *)(a))[0] & ((uint8 *)(a))[1] & \ ((uint8 *)(a))[2] & ((uint8 *)(a))[3]) == 0xff) -#define IPV4_TOS_DSCP_MASK 0xfc -#define IPV4_TOS_DSCP_SHIFT 2 +#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 -#define IPV4_TOS_PREC_SHIFT 5 +#define IPV4_TOS_PREC_MASK 0xe0 /* Historical precedence mask */ +#define IPV4_TOS_PREC_SHIFT 5 /* Historical precedence shift */ -#define IPV4_TOS_LOWDELAY 0x10 -#define IPV4_TOS_THROUGHPUT 0x8 -#define IPV4_TOS_RELIABILITY 0x4 +#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 -#define IPV4_FRAG_DONT 0x4000 -#define IPV4_FRAG_MORE 0x2000 -#define IPV4_FRAG_OFFSET_MASK 0x1fff - -#define IPV4_ADDR_STR_LEN 16 +#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; - uint8 tos; - uint16 tot_len; + 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; - uint8 ttl; - uint8 prot; - uint16 hdr_chksum; - uint8 src_ip[IPV4_ADDR_LEN]; - uint8 dst_ip[IPV4_ADDR_LEN]; + 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 */ -#define IPV6_PAYLOAD_LEN_OFFSET 4 -#define IPV6_NEXT_HDR_OFFSET 6 -#define IPV6_HOP_LIMIT_OFFSET 7 -#define IPV6_SRC_IP_OFFSET 8 -#define IPV6_DEST_IP_OFFSET 24 - - +/* IPV6 field decodes */ #define IPV6_TRAFFIC_CLASS(ipv6_body) \ (((((uint8 *)(ipv6_body))[0] & 0x0f) << 4) | \ ((((uint8 *)(ipv6_body))[1] & 0xf0) >> 4)) @@ -143,14 +143,16 @@ BWL_PRE_PACKED_STRUCT struct ipv4_hdr { #define IPV6_PROT(ipv6_body) IPV6_NEXT_HDR(ipv6_body) -#define IPV6_ADDR_LEN 16 - +#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) +#define IP_DSCP46(ip_body) (IP_TOS46(ip_body) >> IPV4_TOS_DSCP_SHIFT); +/* IPV6 extension headers (options) */ #define IPV6_EXTHDR_HOP 0 #define IPV6_EXTHDR_ROUTING 43 #define IPV6_EXTHDR_FRAGMENT 44 @@ -207,7 +209,17 @@ ipv6_exthdr_len(uint8 *h, uint8 *proto) #define IPV4_ISMULTI(a) (((a) & 0xf0000000) == 0xe0000000) +#define IPV4_MCAST_TO_ETHER_MCAST(ipv4, ether) \ +{ \ + ether[0] = 0x01; \ + ether[1] = 0x00; \ + ether[2] = 0x5E; \ + ether[3] = (ipv4 & 0x7f0000) >> 16; \ + ether[4] = (ipv4 & 0xff00) >> 8; \ + ether[5] = (ipv4 & 0xff); \ +} +/* This marks the end of a packed structure section. */ #include <packed_section_end.h> -#endif +#endif /* _bcmip_h_ */ |