+++ /dev/null
-/*
- * 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
-
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <asm/byteorder.h>
-
-#include "ieee1394.h"
-#include "ieee1394_types.h"
-
-/* Register for incoming packets. This is 4096 bytes, which supports up to
- * S3200 (per Table 16-3 of IEEE 1394b-2002). */
-#define ETHER1394_REGION_ADDR_LEN 4096
-
-/* GASP identifier numbers for IPv4 over IEEE 1394 */
-#define ETHER1394_GASP_SPECIFIER_ID 0x00005E
-#define ETHER1394_GASP_SPECIFIER_ID_HI ((0x00005E >> 8) & 0xffff)
-#define ETHER1394_GASP_SPECIFIER_ID_LO (0x00005E & 0xff)
-#define ETHER1394_GASP_VERSION 1
-
-#define ETHER1394_GASP_OVERHEAD (2 * sizeof(quadlet_t)) /* for GASP header */
-
-#define ETHER1394_GASP_BUFFERS 16
-
-#define NODE_SET (ALL_NODES + 1) /* Node set == 64 */
-
-enum eth1394_bc_states { ETHER1394_BC_ERROR,
- ETHER1394_BC_RUNNING,
- ETHER1394_BC_STOPPED };
-
-
-/* Private structure for our ethernet driver */
-struct eth1394_priv {
- struct hpsb_host *host; /* The card for this dev */
- u16 bc_maxpayload; /* Max broadcast payload */
- u8 bc_sspd; /* Max broadcast speed */
- u64 local_fifo; /* Local FIFO Address */
- spinlock_t lock; /* Private lock */
- int broadcast_channel; /* Async stream Broadcast Channel */
- enum eth1394_bc_states bc_state; /* broadcast channel state */
- struct hpsb_iso *iso; /* Async stream recv handle */
- int bc_dgl; /* Outgoing broadcast datagram label */
- struct list_head ip_node_list; /* List of IP capable nodes */
- struct unit_directory *ud_list[ALL_NODES]; /* Cached unit dir list */
-
- struct work_struct wake; /* Wake up after xmit failure */
- struct net_device *wake_dev; /* Stupid backlink for .wake */
- nodeid_t wake_node; /* Destination of failed xmit */
-};
-
-
-/* Define a fake hardware header format for the networking core. Note that
- * header size cannot exceed 16 bytes as that is the size of the header cache.
- * Also, we do not need the source address in the header so we omit it and
- * keep the header to under 16 bytes */
-#define ETH1394_ALEN (8)
-#define ETH1394_HLEN (10)
-
-struct eth1394hdr {
- unsigned char h_dest[ETH1394_ALEN]; /* destination eth1394 addr */
- __be16 h_proto; /* packet type ID field */
-} __attribute__((packed));
-
-static inline struct eth1394hdr *eth1394_hdr(const struct sk_buff *skb)
-{
- return (struct eth1394hdr *)skb_mac_header(skb);
-}
-
-typedef enum {ETH1394_GASP, ETH1394_WRREQ} eth1394_tx_type;
-
-/* IP1394 headers */
-
-/* Unfragmented */
-#if defined __BIG_ENDIAN_BITFIELD
-struct eth1394_uf_hdr {
- u16 lf:2;
- u16 res:14;
- __be16 ether_type; /* Ethernet packet type */
-} __attribute__((packed));
-#elif defined __LITTLE_ENDIAN_BITFIELD
-struct eth1394_uf_hdr {
- u16 res:14;
- u16 lf:2;
- __be16 ether_type;
-} __attribute__((packed));
-#else
-#error Unknown bit field type
-#endif
-
-/* First fragment */
-#if defined __BIG_ENDIAN_BITFIELD
-struct eth1394_ff_hdr {
- u16 lf:2;
- u16 res1:2;
- u16 dg_size:12; /* Datagram size */
- __be16 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;
- u16 res1:2;
- u16 lf:2;
- __be16 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 {
- u16 lf:2;
- u16 res1:2;
- u16 dg_size:12; /* Datagram size */
- u16 res2:4;
- u16 fg_off:12; /* Fragment offset */
- u16 dgl; /* Datagram label */
- u16 res3;
-} __attribute__((packed));
-#elif defined __LITTLE_ENDIAN_BITFIELD
-struct eth1394_sf_hdr {
- u16 dg_size:12;
- u16 res1:2;
- u16 lf:2;
- u16 fg_off:12;
- u16 res2:4;
- u16 dgl;
- u16 res3;
-} __attribute__((packed));
-#else
-#error Unknown bit field type
-#endif
-
-#if defined __BIG_ENDIAN_BITFIELD
-struct eth1394_common_hdr {
- u16 lf:2;
- u16 pad1:14;
-} __attribute__((packed));
-#elif defined __LITTLE_ENDIAN_BITFIELD
-struct eth1394_common_hdr {
- u16 pad1:14;
- u16 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 */
-
- __be64 s_uniq_id; /* Sender's 64bit EUI */
- u8 max_rec; /* Sender's max packet size */
- u8 sspd; /* Sender's max speed */
- __be16 fifo_hi; /* hi 16bits of sender's FIFO addr */
- __be32 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
-
-/* This is our task struct. It's used for the packet complete callback. */
-struct packet_task {
- struct sk_buff *skb;
- int outstanding_pkts;
- eth1394_tx_type tx_type;
- int max_payload;
- struct hpsb_packet *packet;
- struct eth1394_priv *priv;
- union eth1394_hdr hdr;
- u64 addr;
- u16 dest_node;
-};
-
-#endif /* __ETH1394_H */
projects / mv-sheeva.git / blobdiff