ieee1394: remove the old IEEE 1394 driver stack

The drivers
  - ohci1394 (controller driver)
  - ieee1394 (core)
  - dv1394, raw1394, video1394 (userspace ABI)
  - eth1394, sbp2 (protocol drivers)
are replaced by
  - firewire-ohci (controller driver)
  - firewire-core (core and userspace ABI)
  - firewire-net, firewire-sbp2 (protocol drivers)
which are more featureful, better performing, and more secure than the older
drivers; all with a smaller and more modern code base.

The driver firedtv in drivers/media/dvb/firewire/ contains backends to both
ieee1394 and firewire-core.  Its ieee1394 backend code can be removed in an
independent commit; firedtv as-is builds and works fine without ieee1394.

The driver pcilynx (an incomplete controller driver) is deleted without
replacement since PCILynx cards are extremely rare.  Owners of these cards
use them with the stand-alone bus sniffer driver nosy instead.

The drivers nosy and init_ohci1394_dma which do not interact with either of
the two IEEE 1394 stacks are not affected by the ieee1394 subsystem removal.

There are still some issues with the newer firewire subsystem compared to
the older one:
  - The rare and quirky controllers ALi M52xx, Apple UniNorth v1, NVIDIA
    NForce2 are even less well supported by firewire-ohci than by ohci1394.
    I am looking into the M52xx issue.
  - The experimental firewire-net is reportedly less stable than its
    experimental cousin eth1394.
  - Audio playback of a certain group of audio devices (ones based on DICE
    chipset with EAP; supported by prerelease FFADO code) does not work yet.
    This issue is still under investigation.
  - There were some ieee1394 based out-of-the-mainline drivers.  Of them,
    only lisight, an audio driver for iSight webcams, seems still useful.
    Work is underway to reimplement it on top of firewire-core.

All these remainig issues are minor; they should not stand in the way of
overall better user experience of IEEE 1394 on Linux, together with a
reduction in support efforts and maintenance burden.  The coexistence of two
IEEE 1394 kernel driver stacks in the mainline since 2.6.22 shall end now,
as announced earlier this year.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 0 insertions, 234 deletions

diff --git a/drivers/ieee1394/eth1394.h b/drivers/ieee1394/eth1394.h
deleted file mode 100644
index d53bac47b86f..000000000000
--- a/drivers/ieee1394/eth1394.h
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * 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 */