projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a9533e7e HP |
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 _NET_ETHERNET_H_ | |
| 18 | #define _NET_ETHERNET_H_ | |
| 19 | ||
| b8d63078 JP |
20 | #include <linux/if_ether.h> |
| 21 | ||
| a9533e7e HP |
22 | #include <packed_section_start.h> |
| 23 | ||
| a9533e7e HP |
24 | #define ETHER_TYPE_LEN 2 |
| 25 | #define ETHER_CRC_LEN 4 | |
| a9533e7e HP |
26 | #define ETHER_MIN_LEN 64 |
| 27 | #define ETHER_MIN_DATA 46 | |
| 28 | #define ETHER_MAX_LEN 1518 | |
| 29 | #define ETHER_MAX_DATA 1500 | |
| 30 | ||
| 31 | #define ETHER_TYPE_MIN 0x0600 | |
| 32 | #define ETHER_TYPE_IP 0x0800 | |
| 33 | #define ETHER_TYPE_ARP 0x0806 | |
| 34 | #define ETHER_TYPE_8021Q 0x8100 | |
| 35 | #define ETHER_TYPE_BRCM 0x886c | |
| 36 | #define ETHER_TYPE_802_1X 0x888e | |
| 37 | #define ETHER_TYPE_802_1X_PREAUTH 0x88c7 | |
| 38 | ||
| b8d63078 JP |
39 | #define ETHER_DEST_OFFSET (0 * ETH_ALEN) |
| 40 | #define ETHER_SRC_OFFSET (1 * ETH_ALEN) | |
| 41 | #define ETHER_TYPE_OFFSET (2 * ETH_ALEN) | |
| a9533e7e HP |
42 | |
| 43 | #define ETHER_IS_VALID_LEN(foo) \ | |
| 44 | ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) | |
| 45 | ||
| 46 | #define ETHER_FILL_MCAST_ADDR_FROM_IP(ea, mgrp_ip) { \ | |
| de9bca63 GKH |
47 | ((u8 *)ea)[0] = 0x01; \ |
| 48 | ((u8 *)ea)[1] = 0x00; \ | |
| 49 | ((u8 *)ea)[2] = 0x5e; \ | |
| 50 | ((u8 *)ea)[3] = ((mgrp_ip) >> 16) & 0x7f; \ | |
| 51 | ((u8 *)ea)[4] = ((mgrp_ip) >> 8) & 0xff; \ | |
| 52 | ((u8 *)ea)[5] = ((mgrp_ip) >> 0) & 0xff; \ | |
| a9533e7e HP |
53 | } |
| 54 | ||
| 55 | BWL_PRE_PACKED_STRUCT struct ether_header { | |
| b8d63078 JP |
56 | u8 ether_dhost[ETH_ALEN]; |
| 57 | u8 ether_shost[ETH_ALEN]; | |
| 7d4df48e | 58 | u16 ether_type; |
| a9533e7e HP |
59 | } BWL_POST_PACKED_STRUCT; |
| 60 | ||
| 61 | BWL_PRE_PACKED_STRUCT struct ether_addr { | |
| b8d63078 | 62 | u8 octet[ETH_ALEN]; |
| a9533e7e HP |
63 | } BWL_POST_PACKED_STRUCT; |
| 64 | ||
| de9bca63 | 65 | #define ETHER_SET_UNICAST(ea) (((u8 *)(ea))[0] = (((u8 *)(ea))[0] & ~1)) |
| a9533e7e | 66 | |
| a9533e7e | 67 | static const struct ether_addr ether_bcast = { {255, 255, 255, 255, 255, 255} }; |
| a9533e7e | 68 | |
| a9533e7e HP |
69 | #define ETHER_MOVE_HDR(d, s) \ |
| 70 | do { \ | |
| 71 | struct ether_header t; \ | |
| 72 | t = *(struct ether_header *)(s); \ | |
| 73 | *(struct ether_header *)(d) = t; \ | |
| 74 | } while (0) | |
| 75 | ||
| 76 | #include <packed_section_end.h> | |
| 77 | ||
| 78 | #endif /* _NET_ETHERNET_H_ */ |