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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | /* * 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 hpsb_queue_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 */ |