eth1394.h
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上传日期:2013-04-10
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文件大小:5k
- /*
- * eth1394.h -- Ethernet driver for Linux IEEE-1394 Subsystem
- *
- * Copyright (C) 2000 Bonin Franck <boninf@free.fr>
- * (C) 2001 Ben Collins <bcollins@debian.org>
- *
- * Mainly based on work by Emanuel Pirker and Andreas E. Bombe
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #ifndef __ETH1394_H
- #define __ETH1394_H
- /* Register for incoming packets. This is 8192 bytes, which supports up to
- * 1600mbs. We'll need to change this if that ever becomes "small" :) */
- #define ETHER1394_REGION_ADDR_LEN 8192
- #define ETHER1394_REGION_ADDR 0xfffff0200000ULL
- #define ETHER1394_REGION_ADDR_END (ETHER1394_REGION_ADDR + ETHER1394_REGION_ADDR_LEN)
- /* Node set == 64 */
- #define NODE_SET (ALL_NODES + 1)
- /* Private structure for our ethernet driver */
- struct eth1394_priv {
- struct net_device_stats stats; /* Device stats */
- struct hpsb_host *host; /* The card for this dev */
- unsigned char max_rec[NODE_SET];/* Max payload per node */
- unsigned char sspd[NODE_SET]; /* Max speed per node */
- u16 fifo_hi[ALL_NODES]; /* 16bit hi fifo offset per node */
- u32 fifo_lo[ALL_NODES]; /* 32bit lo fifo offset per node */
- u64 eui[ALL_NODES]; /* EUI-64 per node */
- spinlock_t lock; /* Private lock */
- };
- struct host_info {
- struct list_head list;
- struct hpsb_host *host;
- struct net_device *dev;
- };
- /* This is our task struct. It's used for the packet complete callback. */
- struct packet_task {
- struct sk_buff *skb; /* Socket buffer we are sending */
- nodeid_t dest_node; /* Destination of the packet */
- u64 addr; /* Address */
- struct tq_struct tq; /* The task */
- };
- /* IP1394 headers */
- #include <asm/byteorder.h>
- /* Unfragmented */
- #if defined __BIG_ENDIAN_BITFIELD
- struct eth1394_uf_hdr {
- u8 lf:2;
- u16 res:14;
- u16 ether_type; /* Ethernet packet type */
- } __attribute__((packed));
- #elif defined __LITTLE_ENDIAN_BITFIELD
- struct eth1394_uf_hdr {
- u16 res:14;
- u8 lf:2;
- u16 ether_type;
- } __attribute__((packed));
- #else
- #error Unknown bit field type
- #endif
- /* First fragment */
- #if defined __BIG_ENDIAN_BITFIELD
- struct eth1394_ff_hdr {
- u8 lf:2;
- u8 res1:2;
- u16 dg_size:12; /* Datagram size */
- u16 ether_type; /* Ethernet packet type */
- u16 dgl; /* Datagram label */
- u16 res2;
- } __attribute__((packed));
- #elif defined __LITTLE_ENDIAN_BITFIELD
- struct eth1394_ff_hdr {
- u16 dg_size:12;
- u8 res1:2;
- u8 lf:2;
- u16 ether_type;
- u16 dgl;
- u16 res2;
- } __attribute__((packed));
- #else
- #error Unknown bit field type
- #endif
- /* XXX: Subsequent fragments, including last */
- #if defined __BIG_ENDIAN_BITFIELD
- struct eth1394_sf_hdr {
- u8 lf:2;
- u8 res1:2;
- u16 dg_size:12; /* Datagram size */
- u8 res2:6;
- u16 fg_off:10; /* Fragment offset */
- u16 dgl; /* Datagram label */
- u16 res3;
- } __attribute__((packed));
- #elif defined __LITTLE_ENDIAN_BITFIELD
- struct eth1394_sf_hdr {
- u16 dg_size:12;
- u8 res1:2;
- u8 lf:2;
- u16 fg_off:10;
- u8 res2:6;
- u16 dgl;
- u16 res3;
- } __attribute__((packed));
- #else
- #error Unknown bit field type
- #endif
- #if defined __BIG_ENDIAN_BITFIELD
- struct eth1394_common_hdr {
- u8 lf:2;
- u16 pad1:14;
- } __attribute__((packed));
- #elif defined __LITTLE_ENDIAN_BITFIELD
- struct eth1394_common_hdr {
- u16 pad1:14;
- u8 lf:2;
- } __attribute__((packed));
- #else
- #error Unknown bit field type
- #endif
- struct eth1394_hdr_words {
- u16 word1;
- u16 word2;
- u16 word3;
- u16 word4;
- };
- union eth1394_hdr {
- struct eth1394_common_hdr common;
- struct eth1394_uf_hdr uf;
- struct eth1394_ff_hdr ff;
- struct eth1394_sf_hdr sf;
- struct eth1394_hdr_words words;
- };
- /* End of IP1394 headers */
- /* Fragment types */
- #define ETH1394_HDR_LF_UF 0 /* unfragmented */
- #define ETH1394_HDR_LF_FF 1 /* first fragment */
- #define ETH1394_HDR_LF_LF 2 /* last fragment */
- #define ETH1394_HDR_LF_IF 3 /* interior fragment */
- #define IP1394_HW_ADDR_LEN 16 /* As per RFC */
- /* Our arp packet (ARPHRD_IEEE1394) */
- struct eth1394_arp {
- u16 hw_type; /* 0x0018 */
- u16 proto_type; /* 0x0806 */
- u8 hw_addr_len; /* 16 */
- u8 ip_addr_len; /* 4 */
- u16 opcode; /* ARP Opcode */
- /* Above is exactly the same format as struct arphdr */
- u64 s_uniq_id; /* Sender's 64bit EUI */
- u8 max_rec; /* Sender's max packet size */
- u8 sspd; /* Sender's max speed */
- u16 fifo_hi; /* hi 16bits of sender's FIFO addr */
- u32 fifo_lo; /* lo 32bits of sender's FIFO addr */
- u32 sip; /* Sender's IP Address */
- u32 tip; /* IP Address of requested hw addr */
- };
- /* Network timeout */
- #define ETHER1394_TIMEOUT 100000
- #endif /* __ETH1394_H */