Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #ifndef _bcmip_h_ |
| 18 | #define _bcmip_h_ |
| 19 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 20 | #include <packed_section_start.h> |
| 21 | |
| 22 | #define IP_VER_OFFSET 0x0 |
| 23 | #define IP_VER_MASK 0xf0 |
| 24 | #define IP_VER_SHIFT 4 |
| 25 | #define IP_VER_4 4 |
| 26 | #define IP_VER_6 6 |
| 27 | |
| 28 | #define IP_VER(ip_body) \ |
Greg Kroah-Hartman | de9bca6 | 2010-10-05 10:23:40 -0700 | [diff] [blame] | 29 | ((((u8 *)(ip_body))[IP_VER_OFFSET] & IP_VER_MASK) >> IP_VER_SHIFT) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 30 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 31 | #define IPV4_TOS_OFFSET 1 |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 32 | |
| 33 | #define IPV4_ADDR_LEN 4 |
| 34 | |
Greg Kroah-Hartman | de9bca6 | 2010-10-05 10:23:40 -0700 | [diff] [blame] | 35 | #define IPV4_TOS(ipv4_body) (((u8 *)(ipv4_body))[IPV4_TOS_OFFSET]) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 36 | |
| 37 | #define IPV4_TOS_PREC_MASK 0xe0 |
| 38 | #define IPV4_TOS_PREC_SHIFT 5 |
| 39 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 40 | BWL_PRE_PACKED_STRUCT struct ipv4_addr { |
Greg Kroah-Hartman | de9bca6 | 2010-10-05 10:23:40 -0700 | [diff] [blame] | 41 | u8 addr[IPV4_ADDR_LEN]; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 42 | } BWL_POST_PACKED_STRUCT; |
| 43 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 44 | #define IPV6_TRAFFIC_CLASS(ipv6_body) \ |
Greg Kroah-Hartman | de9bca6 | 2010-10-05 10:23:40 -0700 | [diff] [blame] | 45 | (((((u8 *)(ipv6_body))[0] & 0x0f) << 4) | \ |
| 46 | ((((u8 *)(ipv6_body))[1] & 0xf0) >> 4)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 47 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 48 | #ifndef IP_TOS |
| 49 | #define IP_TOS(ip_body) \ |
| 50 | (IP_VER(ip_body) == IP_VER_4 ? IPV4_TOS(ip_body) : \ |
| 51 | IP_VER(ip_body) == IP_VER_6 ? IPV6_TRAFFIC_CLASS(ip_body) : 0) |
| 52 | #endif |
| 53 | |
| 54 | #include <packed_section_end.h> |
| 55 | |
| 56 | #endif /* _bcmip_h_ */ |