net: appletalk: remove cops support

The COPS Appletalk support is very old, never said to actually work
properly, and the firmware code for the devices are under a very suspect
license.  Remove it all to clear up the license issue, if it is still
needed and actually used by anyone, we can add it back later once the
license is cleared up.
Reported-by: Prarit Bhargava <prarit@redhat.com>
Cc: jschlst@samba.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Prarit Bhargava <prarit@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20230927090029.44704-2-gregkh@linuxfoundation.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/networking/device_drivers/appletalk/cops.rst

-.. SPDX-License-Identifier: GPL-2.0
-
-========================================
-The COPS LocalTalk Linux driver (cops.c)
-========================================
-
-By Jay Schulist <jschlst@samba.org>
-
-This driver has two modes and they are: Dayna mode and Tangent mode.
-Each mode corresponds with the type of card. It has been found
-that there are 2 main types of cards and all other cards are
-the same and just have different names or only have minor differences
-such as more IO ports. As this driver is tested it will
-become more clear exactly what cards are supported.
-
-Right now these cards are known to work with the COPS driver. The
-LT-200 cards work in a somewhat more limited capacity than the
-DL200 cards, which work very well and are in use by many people.
-
-TANGENT driver mode:
-	- Tangent ATB-II, Novell NL-1000, Daystar Digital LT-200
-
-DAYNA driver mode:
-	- Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95,
-	- Farallon PhoneNET PC III, Farallon PhoneNET PC II
-
-Other cards possibly supported mode unknown though:
-	- Dayna DL2000 (Full length)
-
-The COPS driver defaults to using Dayna mode. To change the driver's
-mode if you built a driver with dual support use board_type=1 or
-board_type=2 for Dayna or Tangent with insmod.
-
-Operation/loading of the driver
-===============================
-
-Use modprobe like this:	/sbin/modprobe cops.o (IO #) (IRQ #)
-If you do not specify any options the driver will try and use the IO = 0x240,
-IRQ = 5. As of right now I would only use IRQ 5 for the card, if autoprobing.
-
-To load multiple COPS driver Localtalk cards you can do one of the following::
-
-	insmod cops io=0x240 irq=5
-	insmod -o cops2 cops io=0x260 irq=3
-
-Or in lilo.conf put something like this::
-
-	append="ether=5,0x240,lt0 ether=3,0x260,lt1"
-
-Then bring up the interface with ifconfig. It will look something like this::
-
-  lt0       Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-F7-00-00-00-00-00-00-00-00
-	    inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
-	    UP BROADCAST RUNNING NOARP MULTICAST  MTU:600  Metric:1
-	    RX packets:0 errors:0 dropped:0 overruns:0 frame:0
-	    TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0
-
-Netatalk Configuration
-======================
-
-You will need to configure atalkd with something like the following to make
-it work with the cops.c driver.
-
-* For single LTalk card use::
-
-    dummy -seed -phase 2 -net 2000 -addr 2000.10 -zone "1033"
-    lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
-
-* For multiple cards, Ethernet and LocalTalk::
-
-    eth0 -seed -phase 2 -net 3000 -addr 3000.20 -zone "1033"
-    lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
-
-* For multiple LocalTalk cards, and an Ethernet card.
-
-* Order seems to matter here, Ethernet last::
-
-    lt0 -seed -phase 1 -net 1000 -addr 1000.10 -zone "LocalTalk1"
-    lt1 -seed -phase 1 -net 2000 -addr 2000.20 -zone "LocalTalk2"
-    eth0 -seed -phase 2 -net 3000 -addr 3000.30 -zone "EtherTalk"

Documentation/networking/device_drivers/appletalk/index.rst

-.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-
-AppleTalk Device Drivers
-========================
-
-Contents:
-
-.. toctree::
-   :maxdepth: 2
-
-   cops
-
-.. only::  subproject and html
-
-   Indices
-   =======
-
-   * :ref:`genindex`

Documentation/networking/device_drivers/index.rst

@@ -8,7 +8,6 @@ Contents:
 .. toctree::
    :maxdepth: 2
 
-   appletalk/index
    atm/index
    cable/index
    can/index

drivers/net/Space.c

@@ -247,12 +247,6 @@ static int __init net_olddevs_init(void)
 	for (num = 0; num < 8; ++num)
 		ethif_probe2(num);
 
-#ifdef CONFIG_COPS
-	cops_probe(0);
-	cops_probe(1);
-	cops_probe(2);
-#endif
-
 	return 0;
 }
 

drivers/net/appletalk/Kconfig

@@ -38,36 +38,6 @@ config DEV_APPLETALK
 	  to do IP over it, or you have a LocalTalk card and wish to use it to
 	  connect to the AppleTalk network, say Y.
 
-
-config COPS
-	tristate "COPS LocalTalk PC support"
-	depends on DEV_APPLETALK && ISA
-	depends on NETDEVICES
-	select NETDEV_LEGACY_INIT
-	help
-	  This allows you to use COPS AppleTalk cards to connect to LocalTalk
-	  networks. You also need version 1.3.3 or later of the netatalk
-	  package. This driver is experimental, which means that it may not
-	  work. This driver will only work if you choose "AppleTalk DDP"
-	  networking support, above.
-	  Please read the file
-	  <file:Documentation/networking/device_drivers/appletalk/cops.rst>.
-
-config COPS_DAYNA
-	bool "Dayna firmware support"
-	depends on COPS
-	help
-	  Support COPS compatible cards with Dayna style firmware (Dayna
-	  DL2000/ Daynatalk/PC (half length), COPS LT-95, Farallon PhoneNET PC
-	  III, Farallon PhoneNET PC II).
-
-config COPS_TANGENT
-	bool "Tangent firmware support"
-	depends on COPS
-	help
-	  Support COPS compatible cards with Tangent style firmware (Tangent
-	  ATB_II, Novell NL-1000, Daystar Digital LT-200.
-
 config IPDDP
 	tristate "Appletalk-IP driver support"
 	depends on DEV_APPLETALK && ATALK

drivers/net/appletalk/Makefile

@@ -4,4 +4,3 @@
 #
 
 obj-$(CONFIG_IPDDP) += ipddp.o
-obj-$(CONFIG_COPS) += cops.o

drivers/net/appletalk/cops.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*      cops.h: LocalTalk driver for Linux.
- *
- *      Authors:
- *      - Jay Schulist <jschlst@samba.org>
- */
-
-#ifndef __LINUX_COPSLTALK_H
-#define __LINUX_COPSLTALK_H
-
-#ifdef __KERNEL__
-
-/* Max LLAP size we will accept. */
-#define MAX_LLAP_SIZE		603
-
-/* Tangent */
-#define TANG_CARD_STATUS        1
-#define TANG_CLEAR_INT          1
-#define TANG_RESET              3
-
-#define TANG_TX_READY           1
-#define TANG_RX_READY           2
-
-/* Dayna */
-#define DAYNA_CMD_DATA          0
-#define DAYNA_CLEAR_INT         1
-#define DAYNA_CARD_STATUS       2
-#define DAYNA_INT_CARD          3
-#define DAYNA_RESET             4
-
-#define DAYNA_RX_READY          0
-#define DAYNA_TX_READY          1
-#define DAYNA_RX_REQUEST        3
-
-/* Same on both card types */
-#define COPS_CLEAR_INT  1
-
-/* LAP response codes received from the cards. */
-#define LAP_INIT        1       /* Init cmd */
-#define LAP_INIT_RSP    2       /* Init response */
-#define LAP_WRITE       3       /* Write cmd */
-#define DATA_READ       4       /* Data read */
-#define LAP_RESPONSE    4       /* Received ALAP frame response */
-#define LAP_GETSTAT     5       /* Get LAP and HW status */
-#define LAP_RSPSTAT     6       /* Status response */
-
-#endif
-
-/*
- *	Structure to hold the firmware information.
- */
-struct ltfirmware
-{
-        unsigned int length;
-        const unsigned char *data;
-};
-
-#define DAYNA 1
-#define TANGENT 2
-
-#endif

drivers/net/appletalk/cops_ltdrv.h

-/*
- *	The firmware this driver downloads into the Localtalk card is a
- *	separate program and is not GPL'd source code, even though the Linux
- *	side driver and the routine that loads this data into the card are.
- *	
- *	It is taken from the COPS SDK and is under the following license
- *
- *	This material is licensed to you strictly for use in conjunction with
- *	the use of COPS LocalTalk adapters.
- *	There is no charge for this SDK. And no waranty express or implied
- *	about its fitness for any purpose. However, we will cheerefully
- *	refund every penny you paid for this SDK...
- *	Regards,
- *
- *	Thomas F. Divine
- *	Chief Scientist
- */
-
-
-/*      cops_ltdrv.h: LocalTalk driver firmware dump for Linux.
- *
- *      Authors:
- *      - Jay Schulist <jschlst@samba.org>
- */
- 
-
-#ifdef CONFIG_COPS_TANGENT
-
-static const unsigned char ltdrv_code[] = {
-	58,3,0,50,148,10,33,143,15,62,85,119,
-	190,32,9,62,170,119,190,32,3,35,24,241,
-	34,146,10,249,17,150,10,33,143,15,183,237,
-	82,77,68,11,107,98,19,54,0,237,176,62,
-	16,237,57,51,62,0,237,57,50,237,57,54,
-	62,12,237,57,49,62,195,33,39,2,50,56,
-	0,34,57,0,237,86,205,30,2,251,205,60,
-	10,24,169,67,111,112,121,114,105,103,104,116,
-	32,40,99,41,32,49,57,56,56,45,49,57,
-	57,50,44,32,80,114,105,110,116,105,110,103,
-	32,67,111,109,109,117,110,105,99,97,116,105,
-	111,110,115,32,65,115,115,111,99,105,97,116,
-	101,115,44,32,73,110,99,46,65,108,108,32,
-	114,105,103,104,116,115,32,114,101,115,101,114,
-	118,101,100,46,32,32,4,4,22,40,255,60,
-	4,96,10,224,6,0,7,126,2,64,11,246,
-	12,6,13,0,14,193,15,0,5,96,3,192,
-	1,0,9,8,62,3,211,82,62,192,211,82,
-	201,62,3,211,82,62,213,211,82,201,62,5,
-	211,82,62,224,211,82,201,62,5,211,82,62,
-	224,211,82,201,62,5,211,82,62,96,211,82,
-	201,6,28,33,180,1,14,82,237,163,194,4,
-	2,33,39,2,34,64,0,58,3,0,230,1,
-	192,62,11,237,121,62,118,237,121,201,33,182,
-	10,54,132,205,253,1,201,245,197,213,229,42,
-	150,10,14,83,17,98,2,67,20,237,162,58,
-	179,1,95,219,82,230,1,32,6,29,32,247,
-	195,17,3,62,1,211,82,219,82,95,230,160,
-	32,10,237,162,32,225,21,32,222,195,15,3,
-	237,162,123,230,96,194,21,3,62,48,211,82,
-	62,1,211,82,175,211,82,237,91,150,10,43,
-	55,237,82,218,19,3,34,152,10,98,107,58,
-	154,10,190,32,81,62,1,50,158,10,35,35,
-	62,132,190,32,44,54,133,43,70,58,154,10,
-	119,43,112,17,3,0,205,137,3,62,16,211,
-	82,62,56,211,82,205,217,1,42,150,10,14,
-	83,17,98,2,67,20,58,178,1,95,195,59,
-	2,62,129,190,194,227,2,54,130,43,70,58,
-	154,10,119,43,112,17,3,0,205,137,3,195,
-	254,2,35,35,126,254,132,194,227,2,205,61,
-	3,24,20,62,128,166,194,222,2,221,229,221,
-	33,175,10,205,93,6,205,144,7,221,225,225,
-	209,193,241,251,237,77,221,229,221,33,159,10,
-	205,93,6,221,225,205,61,3,195,247,2,24,
-	237,24,235,24,233,230,64,40,2,24,227,24,
-	225,175,50,179,10,205,208,1,201,197,33,4,
-	0,57,126,35,102,111,205,51,3,193,201,62,
-	1,50,179,10,34,150,10,54,0,58,179,10,
-	183,200,62,14,211,82,62,193,211,82,62,10,
-	211,82,62,224,211,82,62,6,211,82,58,154,
-	10,211,82,62,16,211,82,62,56,211,82,62,
-	48,211,82,219,82,230,1,40,4,219,83,24,
-	242,62,14,211,82,62,33,211,82,62,1,211,
-	82,62,9,211,82,62,32,211,82,205,217,1,
-	201,14,83,205,208,1,24,23,14,83,205,208,
-	1,205,226,1,58,174,1,61,32,253,205,244,
-	1,58,174,1,61,32,253,205,226,1,58,175,
-	1,61,32,253,62,5,211,82,62,233,211,82,
-	62,128,211,82,58,176,1,61,32,253,237,163,
-	27,62,192,211,82,219,82,230,4,40,250,237,
-	163,27,122,179,32,243,219,82,230,4,40,250,
-	58,178,1,71,219,82,230,4,40,3,5,32,
-	247,219,82,230,4,40,250,205,235,1,58,177,
-	1,61,32,253,205,244,1,201,229,213,35,35,
-	126,230,128,194,145,4,43,58,154,10,119,43,
-	70,33,181,10,119,43,112,17,3,0,243,62,
-	10,211,82,219,82,230,128,202,41,4,209,225,
-	62,1,55,251,201,205,144,3,58,180,10,254,
-	255,202,127,4,205,217,1,58,178,1,71,219,
-	82,230,1,32,6,5,32,247,195,173,4,219,
-	83,71,58,154,10,184,194,173,4,58,178,1,
-	71,219,82,230,1,32,6,5,32,247,195,173,
-	4,219,83,58,178,1,71,219,82,230,1,32,
-	6,5,32,247,195,173,4,219,83,254,133,194,
-	173,4,58,179,1,24,4,58,179,1,135,61,
-	32,253,209,225,205,137,3,205,61,3,183,251,
-	201,209,225,243,62,10,211,82,219,82,230,128,
-	202,164,4,62,1,55,251,201,205,144,3,205,
-	61,3,183,251,201,209,225,62,2,55,251,201,
-	243,62,14,211,82,62,33,211,82,251,201,33,
-	4,0,57,94,35,86,33,2,0,57,126,35,
-	102,111,221,229,34,193,10,237,83,195,10,221,
-	33,171,10,205,93,6,58,185,10,50,186,10,
-	58,184,10,135,50,184,10,205,112,6,254,3,
-	56,16,58,185,10,135,60,230,15,50,185,10,
-	175,50,184,10,24,23,58,183,10,205,112,6,
-	254,3,48,13,58,185,10,203,63,50,185,10,
-	62,255,50,183,10,58,185,10,50,186,10,58,
-	183,10,135,50,183,10,62,32,50,187,10,50,
-	188,10,6,255,219,82,230,16,32,3,5,32,
-	247,205,180,4,6,40,219,82,230,16,40,3,
-	5,32,247,62,10,211,82,219,82,230,128,194,
-	46,5,219,82,230,16,40,214,237,95,71,58,
-	186,10,160,230,15,40,32,71,14,10,62,10,
-	211,82,219,82,230,128,202,119,5,205,180,4,
-	195,156,5,219,82,230,16,202,156,5,13,32,
-	229,16,225,42,193,10,237,91,195,10,205,252,
-	3,48,7,61,202,156,5,195,197,5,221,225,
-	33,0,0,201,221,33,163,10,205,93,6,58,
-	188,10,61,50,188,10,40,19,58,186,10,246,
-	1,50,186,10,58,183,10,246,1,50,183,10,
-	195,46,5,221,225,33,1,0,201,221,33,167,
-	10,205,93,6,58,184,10,246,1,50,184,10,
-	58,186,10,135,246,1,50,186,10,58,187,10,
-	61,50,187,10,194,46,5,221,225,33,2,0,
-	201,221,229,33,0,0,57,17,4,0,25,126,
-	50,154,10,230,128,50,189,10,58,189,10,183,
-	40,6,221,33,88,2,24,4,221,33,150,0,
-	58,154,10,183,40,49,60,40,46,61,33,190,
-	10,119,35,119,35,54,129,175,50,158,10,221,
-	43,221,229,225,124,181,40,42,33,190,10,17,
-	3,0,205,206,4,17,232,3,27,123,178,32,
-	251,58,158,10,183,40,224,58,154,10,71,62,
-	7,128,230,127,71,58,189,10,176,50,154,10,
-	24,166,221,225,201,183,221,52,0,192,221,52,
-	1,192,221,52,2,192,221,52,3,192,55,201,
-	6,8,14,0,31,48,1,12,16,250,121,201,
-	33,2,0,57,94,35,86,35,78,35,70,35,
-	126,35,102,105,79,120,68,103,237,176,201,33,
-	2,0,57,126,35,102,111,62,17,237,57,48,
-	125,237,57,40,124,237,57,41,62,0,237,57,
-	42,62,64,237,57,43,62,0,237,57,44,33,
-	128,2,125,237,57,46,124,237,57,47,62,145,
-	237,57,48,211,68,58,149,10,211,66,201,33,
-	2,0,57,126,35,102,111,62,33,237,57,48,
-	62,64,237,57,32,62,0,237,57,33,237,57,
-	34,125,237,57,35,124,237,57,36,62,0,237,
-	57,37,33,128,2,125,237,57,38,124,237,57,
-	39,62,97,237,57,48,211,67,58,149,10,211,
-	66,201,237,56,46,95,237,56,47,87,237,56,
-	46,111,237,56,47,103,183,237,82,32,235,33,
-	128,2,183,237,82,201,237,56,38,95,237,56,
-	39,87,237,56,38,111,237,56,39,103,183,237,
-	82,32,235,33,128,2,183,237,82,201,205,106,
-	10,221,110,6,221,102,7,126,35,110,103,195,
-	118,10,205,106,10,33,0,0,34,205,10,34,
-	198,10,34,200,10,33,143,15,34,207,10,237,
-	91,207,10,42,146,10,183,237,82,17,0,255,
-	25,34,203,10,203,124,40,6,33,0,125,34,
-	203,10,42,207,10,229,205,37,3,195,118,10,
-	205,106,10,229,42,150,10,35,35,35,229,205,
-	70,7,193,124,230,3,103,221,117,254,221,116,
-	255,237,91,152,10,35,35,35,183,237,82,32,
-	12,17,5,0,42,152,10,205,91,10,242,203,
-	7,42,150,10,229,205,37,3,195,118,10,237,
-	91,152,10,42,200,10,25,34,200,10,42,205,
-	10,25,34,205,10,237,91,203,10,33,158,253,
-	25,237,91,205,10,205,91,10,242,245,7,33,
-	0,0,34,205,10,62,1,50,197,10,205,5,
-	8,33,0,0,57,249,195,118,10,205,106,10,
-	58,197,10,183,202,118,10,237,91,198,10,42,
-	205,10,205,91,10,242,46,8,237,91,205,10,
-	33,98,2,25,237,91,198,10,205,91,10,250,
-	78,8,237,91,198,10,42,205,10,183,237,82,
-	32,7,42,200,10,125,180,40,13,237,91,205,
-	10,42,198,10,205,91,10,242,97,8,237,91,
-	207,10,42,205,10,25,229,205,37,3,175,50,
-	197,10,195,118,10,205,29,3,33,0,0,57,
-	249,195,118,10,205,106,10,58,202,10,183,40,
-	22,205,14,7,237,91,209,10,19,19,19,205,
-	91,10,242,139,8,33,1,0,195,118,10,33,
-	0,0,195,118,10,205,126,10,252,255,205,108,
-	8,125,180,194,118,10,237,91,200,10,33,0,
-	0,205,91,10,242,118,10,237,91,207,10,42,
-	198,10,25,221,117,254,221,116,255,35,35,35,
-	229,205,70,7,193,124,230,3,103,35,35,35,
-	221,117,252,221,116,253,229,221,110,254,221,102,
-	255,229,33,212,10,229,205,124,6,193,193,221,
-	110,252,221,102,253,34,209,10,33,211,10,54,
-	4,33,209,10,227,205,147,6,193,62,1,50,
-	202,10,243,221,94,252,221,86,253,42,200,10,
-	183,237,82,34,200,10,203,124,40,17,33,0,
-	0,34,200,10,34,205,10,34,198,10,50,197,
-	10,24,37,221,94,252,221,86,253,42,198,10,
-	25,34,198,10,237,91,203,10,33,158,253,25,
-	237,91,198,10,205,91,10,242,68,9,33,0,
-	0,34,198,10,205,5,8,33,0,0,57,249,
-	251,195,118,10,205,106,10,33,49,13,126,183,
-	40,16,205,42,7,237,91,47,13,19,19,19,
-	205,91,10,242,117,9,58,142,15,198,1,50,
-	142,15,195,118,10,33,49,13,126,254,1,40,
-	25,254,3,202,7,10,254,5,202,21,10,33,
-	49,13,54,0,33,47,13,229,205,207,6,195,
-	118,10,58,141,15,183,32,72,33,51,13,126,
-	50,149,10,205,86,7,33,50,13,126,230,127,
-	183,32,40,58,142,15,230,127,50,142,15,183,
-	32,5,198,1,50,142,15,33,50,13,126,111,
-	23,159,103,203,125,58,142,15,40,5,198,128,
-	50,142,15,33,50,13,119,33,50,13,126,111,
-	23,159,103,229,205,237,5,193,33,211,10,54,
-	2,33,2,0,34,209,10,58,154,10,33,212,
-	10,119,58,148,10,33,213,10,119,33,209,10,
-	229,205,147,6,193,24,128,42,47,13,229,33,
-	50,13,229,205,191,4,193,24,239,33,211,10,
-	54,6,33,3,0,34,209,10,58,154,10,33,
-	212,10,119,58,148,10,33,213,10,119,33,214,
-	10,54,5,33,209,10,229,205,147,6,24,200,
-	205,106,10,33,49,13,54,0,33,47,13,229,
-	205,207,6,33,209,10,227,205,147,6,193,205,
-	80,9,205,145,8,24,248,124,170,250,99,10,
-	237,82,201,124,230,128,237,82,60,201,225,253,
-	229,221,229,221,33,0,0,221,57,233,221,249,
-	221,225,253,225,201,233,225,253,229,221,229,221,
-	33,0,0,221,57,94,35,86,35,235,57,249,
-	235,233,0,0,0,0,0,0,0,0,0,0,
-	0,0,0,0,0,0,0,0,0,0,0,0,
-	0,0,0,0,0,0,0,0,0,0,0,0,
-	0,0,0,0,0,0,0,0,0,0,0,0,
-	0,0,0,0,0
-	} ;
-
-#endif

include/net/Space.h

@@ -10,4 +10,3 @@ struct net_device *smc_init(int unit);
 struct net_device *cs89x0_probe(int unit);
 struct net_device *tc515_probe(int unit);
 struct net_device *lance_probe(int unit);
-struct net_device *cops_probe(int unit);