| /* |
| * Copyright (c) 2010 Broadcom Corporation |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _bcmip_h_ |
| #define _bcmip_h_ |
| |
| #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 |
| |
| #define IP_VER(ip_body) \ |
| ((((u8 *)(ip_body))[IP_VER_OFFSET] & IP_VER_MASK) >> IP_VER_SHIFT) |
| |
| #define IPV4_TOS_OFFSET 1 |
| |
| #define IPV4_ADDR_LEN 4 |
| |
| #define IPV4_TOS(ipv4_body) (((u8 *)(ipv4_body))[IPV4_TOS_OFFSET]) |
| |
| #define IPV4_TOS_PREC_MASK 0xe0 |
| #define IPV4_TOS_PREC_SHIFT 5 |
| |
| BWL_PRE_PACKED_STRUCT struct ipv4_addr { |
| u8 addr[IPV4_ADDR_LEN]; |
| } BWL_POST_PACKED_STRUCT; |
| |
| #define IPV6_TRAFFIC_CLASS(ipv6_body) \ |
| (((((u8 *)(ipv6_body))[0] & 0x0f) << 4) | \ |
| ((((u8 *)(ipv6_body))[1] & 0xf0) >> 4)) |
| |
| #ifndef IP_TOS |
| #define IP_TOS(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) |
| #endif |
| |
| #include <packed_section_end.h> |
| |
| #endif /* _bcmip_h_ */ |