[PATCH net-next RFC] net: wan: Delete the DLCI / SDLA drivers
From: Xie He
Date: Sat Nov 14 2020 - 10:12:25 EST
The DLCI driver (dlci.c) implements the Frame Relay protocol. However,
we already have another newer and better implementation of Frame Relay
provided by the HDLC_FR driver (hdlc_fr.c).
The DLCI driver's implementation of Frame Relay is used by only one
hardware driver in the kernel - the SDLA driver (sdla.c).
The SDLA driver provides Frame Relay support for the Sangoma S50x devices.
However, the vendor provides their own driver (along with their own
multi-WAN-protocol implementations including Frame Relay), called WANPIPE.
I believe most users of the hardware would use the vendor-provided WANPIPE
driver instead.
(The WANPIPE driver was even once in the kernel, but was deleted in
commit 8db60bcf3021 ("[WAN]: Remove broken and unmaintained Sangoma
drivers.") because the vendor no longer updated the in-kernel WANPIPE
driver.)
Cc: Mike McLagan <mike.mclagan@xxxxxxxxx>
Signed-off-by: Xie He <xie.he.0141@xxxxxxxxx>
---
CREDITS | 9 -
Documentation/networking/framerelay.rst | 44 -
MAINTAINERS | 6 -
arch/arm/configs/ixp4xx_defconfig | 1 -
arch/mips/configs/gpr_defconfig | 1 -
arch/mips/configs/mtx1_defconfig | 1 -
drivers/net/wan/Kconfig | 45 -
drivers/net/wan/Makefile | 2 -
drivers/net/wan/dlci.c | 541 --------
drivers/net/wan/sdla.c | 1655 -----------------------
include/linux/if_frad.h | 92 --
include/linux/sdla.h | 240 ----
include/uapi/linux/if_frad.h | 123 --
include/uapi/linux/sdla.h | 117 --
net/socket.c | 25 -
15 files changed, 2902 deletions(-)
delete mode 100644 Documentation/networking/framerelay.rst
delete mode 100644 drivers/net/wan/dlci.c
delete mode 100644 drivers/net/wan/sdla.c
delete mode 100644 include/linux/if_frad.h
delete mode 100644 include/linux/sdla.h
delete mode 100644 include/uapi/linux/if_frad.h
delete mode 100644 include/uapi/linux/sdla.h
diff --git a/CREDITS b/CREDITS
index 8592e45e3932..67421adb747c 100644
--- a/CREDITS
+++ b/CREDITS
@@ -2499,15 +2499,6 @@ W: http://www.rdrop.com/users/paulmck/
D: RCU and variants
D: rcutorture module
-N: Mike McLagan
-E: mike.mclagan@xxxxxxxxx
-W: http://www.invlogic.com/~mmclagan
-D: DLCI/FRAD drivers for Sangoma SDLAs
-S: Innovative Logic Corp
-S: Post Office Box 1068
-S: Laurel, Maryland 20732
-S: USA
-
N: Bradley McLean
E: brad@xxxxxxxxxxxxxxxxxx
D: Device driver hacker
diff --git a/Documentation/networking/framerelay.rst b/Documentation/networking/framerelay.rst
deleted file mode 100644
index 6d904399ec6d..000000000000
--- a/Documentation/networking/framerelay.rst
+++ /dev/null
@@ -1,44 +0,0 @@
-.. SPDX-License-Identifier: GPL-2.0
-
-================
-Frame Relay (FR)
-================
-
-Frame Relay (FR) support for linux is built into a two tiered system of device
-drivers. The upper layer implements RFC1490 FR specification, and uses the
-Data Link Connection Identifier (DLCI) as its hardware address. Usually these
-are assigned by your network supplier, they give you the number/numbers of
-the Virtual Connections (VC) assigned to you.
-
-Each DLCI is a point-to-point link between your machine and a remote one.
-As such, a separate device is needed to accommodate the routing. Within the
-net-tools archives is 'dlcicfg'. This program will communicate with the
-base "DLCI" device, and create new net devices named 'dlci00', 'dlci01'...
-The configuration script will ask you how many DLCIs you need, as well as
-how many DLCIs you want to assign to each Frame Relay Access Device (FRAD).
-
-The DLCI uses a number of function calls to communicate with the FRAD, all
-of which are stored in the FRAD's private data area. assoc/deassoc,
-activate/deactivate and dlci_config. The DLCI supplies a receive function
-to the FRAD to accept incoming packets.
-
-With this initial offering, only 1 FRAD driver is available. With many thanks
-to Sangoma Technologies, David Mandelstam & Gene Kozin, the S502A, S502E &
-S508 are supported. This driver is currently set up for only FR, but as
-Sangoma makes more firmware modules available, it can be updated to provide
-them as well.
-
-Configuration of the FRAD makes use of another net-tools program, 'fradcfg'.
-This program makes use of a configuration file (which dlcicfg can also read)
-to specify the types of boards to be configured as FRADs, as well as perform
-any board specific configuration. The Sangoma module of fradcfg loads the
-FR firmware into the card, sets the irq/port/memory information, and provides
-an initial configuration.
-
-Additional FRAD device drivers can be added as hardware is available.
-
-At this time, the dlcicfg and fradcfg programs have not been incorporated into
-the net-tools distribution. They can be found at ftp.invlogic.com, in
-/pub/linux. Note that with OS/2 FTPD, you end up in /pub by default, so just
-use 'cd linux'. v0.10 is for use on pre-2.0.3 and earlier, v0.15 is for
-pre-2.0.4 and later.
diff --git a/MAINTAINERS b/MAINTAINERS
index ab8b2c9ad00e..76c24a88e999 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6905,12 +6905,6 @@ S: Maintained
W: http://floatingpoint.sourceforge.net/emulator/index.html
F: arch/x86/math-emu/
-FRAME RELAY DLCI/FRAD (Sangoma drivers too)
-L: netdev@xxxxxxxxxxxxxxx
-S: Orphan
-F: drivers/net/wan/dlci.c
-F: drivers/net/wan/sdla.c
-
FRAMEBUFFER LAYER
M: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
L: dri-devel@xxxxxxxxxxxxxxxxxxxxx
diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig
index 27e7c0714b96..0d6edeb27659 100644
--- a/arch/arm/configs/ixp4xx_defconfig
+++ b/arch/arm/configs/ixp4xx_defconfig
@@ -141,7 +141,6 @@ CONFIG_HDLC_CISCO=m
CONFIG_HDLC_FR=m
CONFIG_HDLC_PPP=m
CONFIG_HDLC_X25=m
-CONFIG_DLCI=m
CONFIG_WAN_ROUTER_DRIVERS=m
CONFIG_ATM_TCP=m
# CONFIG_INPUT_KEYBOARD is not set
diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig
index 599d5604aabe..8a921c8ac233 100644
--- a/arch/mips/configs/gpr_defconfig
+++ b/arch/mips/configs/gpr_defconfig
@@ -228,7 +228,6 @@ CONFIG_FARSYNC=m
CONFIG_DSCC4=m
CONFIG_DSCC4_PCISYNC=y
CONFIG_DSCC4_PCI_RST=y
-CONFIG_DLCI=m
CONFIG_LAPBETHER=m
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index dc69b054181c..30dacce94198 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig
@@ -378,7 +378,6 @@ CONFIG_FARSYNC=m
CONFIG_DSCC4=m
CONFIG_DSCC4_PCISYNC=y
CONFIG_DSCC4_PCI_RST=y
-CONFIG_DLCI=m
CONFIG_LAPBETHER=m
# CONFIG_KEYBOARD_ATKBD is not set
CONFIG_KEYBOARD_GPIO=y
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 2cf98a732a26..4029fde71a9e 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -321,51 +321,6 @@ config IXP4XX_HSS
Say Y here if you want to use built-in HSS ports
on IXP4xx processor.
-config DLCI
- tristate "Frame Relay DLCI support"
- help
- Support for the Frame Relay protocol.
-
- Frame Relay is a fast low-cost way to connect to a remote Internet
- access provider or to form a private wide area network. The one
- physical line from your box to the local "switch" (i.e. the entry
- point to the Frame Relay network, usually at the phone company) can
- carry several logical point-to-point connections to other computers
- connected to the Frame Relay network. For a general explanation of
- the protocol, check out <http://www.mplsforum.org/>.
-
- To use frame relay, you need supporting hardware (called FRAD) and
- certain programs from the net-tools package as explained in
- <file:Documentation/networking/framerelay.rst>.
-
- To compile this driver as a module, choose M here: the
- module will be called dlci.
-
-config DLCI_MAX
- int "Max DLCI per device"
- depends on DLCI
- default "8"
- help
- How many logical point-to-point frame relay connections (the
- identifiers of which are called DCLIs) should be handled by each
- of your hardware frame relay access devices.
-
- Go with the default.
-
-config SDLA
- tristate "SDLA (Sangoma S502/S508) support"
- depends on DLCI && ISA
- help
- Driver for the Sangoma S502A, S502E, and S508 Frame Relay Access
- Devices.
-
- These are multi-protocol cards, but only Frame Relay is supported
- by the driver at this time. Please read
- <file:Documentation/networking/framerelay.rst>.
-
- To compile this driver as a module, choose M here: the
- module will be called sdla.
-
# X.25 network drivers
config LAPBETHER
tristate "LAPB over Ethernet driver"
diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile
index 5b9dc85eae34..081666c36ca2 100644
--- a/drivers/net/wan/Makefile
+++ b/drivers/net/wan/Makefile
@@ -21,8 +21,6 @@ obj-$(CONFIG_FARSYNC) += farsync.o
obj-$(CONFIG_LANMEDIA) += lmc/
-obj-$(CONFIG_DLCI) += dlci.o
-obj-$(CONFIG_SDLA) += sdla.o
obj-$(CONFIG_LAPBETHER) += lapbether.o
obj-$(CONFIG_SBNI) += sbni.o
obj-$(CONFIG_N2) += n2.o
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
deleted file mode 100644
index 3ca4daf63389..000000000000
--- a/drivers/net/wan/dlci.c
+++ /dev/null
@@ -1,541 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * DLCI Implementation of Frame Relay protocol for Linux, according to
- * RFC 1490. This generic device provides en/decapsulation for an
- * underlying hardware driver. Routes & IPs are assigned to these
- * interfaces. Requires 'dlcicfg' program to create usable
- * interfaces, the initial one, 'dlci' is for IOCTL use only.
- *
- * Version: @(#)dlci.c 0.35 4 Jan 1997
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- *
- * 0.15 Mike Mclagan Packet freeing, bug in kmalloc call
- * DLCI_RET handling
- * 0.20 Mike McLagan More conservative on which packets
- * are returned for retry and which are
- * are dropped. If DLCI_RET_DROP is
- * returned from the FRAD, the packet is
- * sent back to Linux for re-transmission
- * 0.25 Mike McLagan Converted to use SIOC IOCTL calls
- * 0.30 Jim Freeman Fixed to allow IPX traffic
- * 0.35 Michael Elizabeth Fixed incorrect memcpy_fromfs
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/if_frad.h>
-#include <linux/bitops.h>
-
-#include <net/sock.h>
-
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <linux/uaccess.h>
-
-static const char version[] = "DLCI driver v0.35, 4 Jan 1997, mike.mclagan@xxxxxxxxx";
-
-static LIST_HEAD(dlci_devs);
-
-static void dlci_setup(struct net_device *);
-
-/*
- * these encapsulate the RFC 1490 requirements as well as
- * deal with packet transmission and reception, working with
- * the upper network layers
- */
-
-static int dlci_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, const void *daddr,
- const void *saddr, unsigned len)
-{
- struct frhdr hdr;
- unsigned int hlen;
- char *dest;
-
- hdr.control = FRAD_I_UI;
- switch (type)
- {
- case ETH_P_IP:
- hdr.IP_NLPID = FRAD_P_IP;
- hlen = sizeof(hdr.control) + sizeof(hdr.IP_NLPID);
- break;
-
- /* feel free to add other types, if necessary */
-
- default:
- hdr.pad = FRAD_P_PADDING;
- hdr.NLPID = FRAD_P_SNAP;
- memset(hdr.OUI, 0, sizeof(hdr.OUI));
- hdr.PID = htons(type);
- hlen = sizeof(hdr);
- break;
- }
-
- dest = skb_push(skb, hlen);
- if (!dest)
- return 0;
-
- memcpy(dest, &hdr, hlen);
-
- return hlen;
-}
-
-static void dlci_receive(struct sk_buff *skb, struct net_device *dev)
-{
- struct frhdr *hdr;
- int process, header;
-
- if (!pskb_may_pull(skb, sizeof(*hdr))) {
- netdev_notice(dev, "invalid data no header\n");
- dev->stats.rx_errors++;
- kfree_skb(skb);
- return;
- }
-
- hdr = (struct frhdr *) skb->data;
- process = 0;
- header = 0;
- skb->dev = dev;
-
- if (hdr->control != FRAD_I_UI)
- {
- netdev_notice(dev, "Invalid header flag 0x%02X\n",
- hdr->control);
- dev->stats.rx_errors++;
- }
- else
- switch (hdr->IP_NLPID)
- {
- case FRAD_P_PADDING:
- if (hdr->NLPID != FRAD_P_SNAP)
- {
- netdev_notice(dev, "Unsupported NLPID 0x%02X\n",
- hdr->NLPID);
- dev->stats.rx_errors++;
- break;
- }
-
- if (hdr->OUI[0] + hdr->OUI[1] + hdr->OUI[2] != 0)
- {
- netdev_notice(dev, "Unsupported organizationally unique identifier 0x%02X-%02X-%02X\n",
- hdr->OUI[0],
- hdr->OUI[1],
- hdr->OUI[2]);
- dev->stats.rx_errors++;
- break;
- }
-
- /* at this point, it's an EtherType frame */
- header = sizeof(struct frhdr);
- /* Already in network order ! */
- skb->protocol = hdr->PID;
- process = 1;
- break;
-
- case FRAD_P_IP:
- header = sizeof(hdr->control) + sizeof(hdr->IP_NLPID);
- skb->protocol = htons(ETH_P_IP);
- process = 1;
- break;
-
- case FRAD_P_SNAP:
- case FRAD_P_Q933:
- case FRAD_P_CLNP:
- netdev_notice(dev, "Unsupported NLPID 0x%02X\n",
- hdr->pad);
- dev->stats.rx_errors++;
- break;
-
- default:
- netdev_notice(dev, "Invalid pad byte 0x%02X\n",
- hdr->pad);
- dev->stats.rx_errors++;
- break;
- }
-
- if (process)
- {
- /* we've set up the protocol, so discard the header */
- skb_reset_mac_header(skb);
- skb_pull(skb, header);
- dev->stats.rx_bytes += skb->len;
- netif_rx(skb);
- dev->stats.rx_packets++;
- }
- else
- dev_kfree_skb(skb);
-}
-
-static netdev_tx_t dlci_transmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct dlci_local *dlp = netdev_priv(dev);
-
- if (skb) {
- struct netdev_queue *txq = skb_get_tx_queue(dev, skb);
- netdev_start_xmit(skb, dlp->slave, txq, false);
- }
- return NETDEV_TX_OK;
-}
-
-static int dlci_config(struct net_device *dev, struct dlci_conf __user *conf, int get)
-{
- struct dlci_conf config;
- struct dlci_local *dlp;
- struct frad_local *flp;
- int err;
-
- dlp = netdev_priv(dev);
-
- flp = netdev_priv(dlp->slave);
-
- if (!get)
- {
- if (copy_from_user(&config, conf, sizeof(struct dlci_conf)))
- return -EFAULT;
- if (config.flags & ~DLCI_VALID_FLAGS)
- return -EINVAL;
- memcpy(&dlp->config, &config, sizeof(struct dlci_conf));
- dlp->configured = 1;
- }
-
- err = (*flp->dlci_conf)(dlp->slave, dev, get);
- if (err)
- return err;
-
- if (get)
- {
- if (copy_to_user(conf, &dlp->config, sizeof(struct dlci_conf)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
- struct dlci_local *dlp;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- dlp = netdev_priv(dev);
-
- switch (cmd)
- {
- case DLCI_GET_SLAVE:
- if (!*(short *)(dev->dev_addr))
- return -EINVAL;
-
- strncpy(ifr->ifr_slave, dlp->slave->name, sizeof(ifr->ifr_slave));
- break;
-
- case DLCI_GET_CONF:
- case DLCI_SET_CONF:
- if (!*(short *)(dev->dev_addr))
- return -EINVAL;
-
- return dlci_config(dev, ifr->ifr_data, cmd == DLCI_GET_CONF);
-
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int dlci_change_mtu(struct net_device *dev, int new_mtu)
-{
- struct dlci_local *dlp = netdev_priv(dev);
-
- return dev_set_mtu(dlp->slave, new_mtu);
-}
-
-static int dlci_open(struct net_device *dev)
-{
- struct dlci_local *dlp;
- struct frad_local *flp;
- int err;
-
- dlp = netdev_priv(dev);
-
- if (!*(short *)(dev->dev_addr))
- return -EINVAL;
-
- if (!netif_running(dlp->slave))
- return -ENOTCONN;
-
- flp = netdev_priv(dlp->slave);
- err = (*flp->activate)(dlp->slave, dev);
- if (err)
- return err;
-
- netif_start_queue(dev);
-
- return 0;
-}
-
-static int dlci_close(struct net_device *dev)
-{
- struct dlci_local *dlp;
- struct frad_local *flp;
-
- netif_stop_queue(dev);
-
- dlp = netdev_priv(dev);
-
- flp = netdev_priv(dlp->slave);
- (*flp->deactivate)(dlp->slave, dev);
-
- return 0;
-}
-
-static int dlci_add(struct dlci_add *dlci)
-{
- struct net_device *master, *slave;
- struct dlci_local *dlp;
- struct frad_local *flp;
- int err = -EINVAL;
-
-
- /* validate slave device */
- slave = dev_get_by_name(&init_net, dlci->devname);
- if (!slave)
- return -ENODEV;
-
- if (slave->type != ARPHRD_FRAD || netdev_priv(slave) == NULL)
- goto err1;
-
- /* create device name */
- master = alloc_netdev(sizeof(struct dlci_local), "dlci%d",
- NET_NAME_UNKNOWN, dlci_setup);
- if (!master) {
- err = -ENOMEM;
- goto err1;
- }
-
- /* make sure same slave not already registered */
- rtnl_lock();
- list_for_each_entry(dlp, &dlci_devs, list) {
- if (dlp->slave == slave) {
- err = -EBUSY;
- goto err2;
- }
- }
-
- *(short *)(master->dev_addr) = dlci->dlci;
-
- dlp = netdev_priv(master);
- dlp->slave = slave;
- dlp->master = master;
-
- flp = netdev_priv(slave);
- err = (*flp->assoc)(slave, master);
- if (err < 0)
- goto err2;
-
- err = register_netdevice(master);
- if (err < 0)
- goto err2;
-
- strcpy(dlci->devname, master->name);
-
- list_add(&dlp->list, &dlci_devs);
- rtnl_unlock();
-
- return 0;
-
- err2:
- rtnl_unlock();
- free_netdev(master);
- err1:
- dev_put(slave);
- return err;
-}
-
-static int dlci_del(struct dlci_add *dlci)
-{
- struct dlci_local *dlp;
- struct frad_local *flp;
- struct net_device *master, *slave;
- int err;
- bool found = false;
-
- rtnl_lock();
-
- /* validate slave device */
- master = __dev_get_by_name(&init_net, dlci->devname);
- if (!master) {
- err = -ENODEV;
- goto out;
- }
-
- list_for_each_entry(dlp, &dlci_devs, list) {
- if (dlp->master == master) {
- found = true;
- break;
- }
- }
- if (!found) {
- err = -ENODEV;
- goto out;
- }
-
- if (netif_running(master)) {
- err = -EBUSY;
- goto out;
- }
-
- dlp = netdev_priv(master);
- slave = dlp->slave;
- flp = netdev_priv(slave);
-
- err = (*flp->deassoc)(slave, master);
- if (!err) {
- list_del(&dlp->list);
-
- unregister_netdevice(master);
-
- dev_put(slave);
- }
-out:
- rtnl_unlock();
- return err;
-}
-
-static int dlci_ioctl(unsigned int cmd, void __user *arg)
-{
- struct dlci_add add;
- int err;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- if (copy_from_user(&add, arg, sizeof(struct dlci_add)))
- return -EFAULT;
-
- switch (cmd)
- {
- case SIOCADDDLCI:
- err = dlci_add(&add);
-
- if (!err)
- if (copy_to_user(arg, &add, sizeof(struct dlci_add)))
- return -EFAULT;
- break;
-
- case SIOCDELDLCI:
- err = dlci_del(&add);
- break;
-
- default:
- err = -EINVAL;
- }
-
- return err;
-}
-
-static const struct header_ops dlci_header_ops = {
- .create = dlci_header,
-};
-
-static const struct net_device_ops dlci_netdev_ops = {
- .ndo_open = dlci_open,
- .ndo_stop = dlci_close,
- .ndo_do_ioctl = dlci_dev_ioctl,
- .ndo_start_xmit = dlci_transmit,
- .ndo_change_mtu = dlci_change_mtu,
-};
-
-static void dlci_setup(struct net_device *dev)
-{
- struct dlci_local *dlp = netdev_priv(dev);
-
- dev->flags = 0;
- dev->header_ops = &dlci_header_ops;
- dev->netdev_ops = &dlci_netdev_ops;
- dev->needs_free_netdev = true;
-
- dlp->receive = dlci_receive;
-
- dev->type = ARPHRD_DLCI;
- dev->hard_header_len = sizeof(struct frhdr);
- dev->addr_len = sizeof(short);
-
-}
-
-/* if slave is unregistering, then cleanup master */
-static int dlci_dev_event(struct notifier_block *unused,
- unsigned long event, void *ptr)
-{
- struct net_device *dev = netdev_notifier_info_to_dev(ptr);
-
- if (dev_net(dev) != &init_net)
- return NOTIFY_DONE;
-
- if (event == NETDEV_UNREGISTER) {
- struct dlci_local *dlp;
-
- list_for_each_entry(dlp, &dlci_devs, list) {
- if (dlp->slave == dev) {
- list_del(&dlp->list);
- unregister_netdevice(dlp->master);
- dev_put(dlp->slave);
- break;
- }
- }
- }
- return NOTIFY_DONE;
-}
-
-static struct notifier_block dlci_notifier = {
- .notifier_call = dlci_dev_event,
-};
-
-static int __init init_dlci(void)
-{
- dlci_ioctl_set(dlci_ioctl);
- register_netdevice_notifier(&dlci_notifier);
-
- printk("%s.\n", version);
-
- return 0;
-}
-
-static void __exit dlci_exit(void)
-{
- struct dlci_local *dlp, *nxt;
-
- dlci_ioctl_set(NULL);
- unregister_netdevice_notifier(&dlci_notifier);
-
- rtnl_lock();
- list_for_each_entry_safe(dlp, nxt, &dlci_devs, list) {
- unregister_netdevice(dlp->master);
- dev_put(dlp->slave);
- }
- rtnl_unlock();
-}
-
-module_init(init_dlci);
-module_exit(dlci_exit);
-
-MODULE_AUTHOR("Mike McLagan");
-MODULE_DESCRIPTION("Frame Relay DLCI layer");
-MODULE_LICENSE("GPL");
diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c
deleted file mode 100644
index bc2c1c7fb1a4..000000000000
--- a/drivers/net/wan/sdla.c
+++ /dev/null
@@ -1,1655 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * SDLA An implementation of a driver for the Sangoma S502/S508 series
- * multi-protocol PC interface card. Initial offering is with
- * the DLCI driver, providing Frame Relay support for linux.
- *
- * Global definitions for the Frame relay interface.
- *
- * Version: @(#)sdla.c 0.30 12 Sep 1996
- *
- * Credits: Sangoma Technologies, for the use of 2 cards for an extended
- * period of time.
- * David Mandelstam <dm@xxxxxxxxxxx> for getting me started on
- * this project, and incentive to complete it.
- * Gene Kozen <74604.152@xxxxxxxxxxxxxx> for providing me with
- * important information about the cards.
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- * 0.15 Mike McLagan Improved error handling, packet dropping
- * 0.20 Mike McLagan New transmit/receive flags for config
- * If in FR mode, don't accept packets from
- * non DLCI devices.
- * 0.25 Mike McLagan Fixed problem with rejecting packets
- * from non DLCI devices.
- * 0.30 Mike McLagan Fixed kernel panic when used with modified
- * ifconfig
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/if_frad.h>
-#include <linux/sdla.h>
-#include <linux/bitops.h>
-
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <linux/uaccess.h>
-
-static const char* version = "SDLA driver v0.30, 12 Sep 1996, mike.mclagan@xxxxxxxxx";
-
-static unsigned int valid_port[] = { 0x250, 0x270, 0x280, 0x300, 0x350, 0x360, 0x380, 0x390};
-
-static unsigned int valid_mem[] = {
- 0xA0000, 0xA2000, 0xA4000, 0xA6000, 0xA8000, 0xAA000, 0xAC000, 0xAE000,
- 0xB0000, 0xB2000, 0xB4000, 0xB6000, 0xB8000, 0xBA000, 0xBC000, 0xBE000,
- 0xC0000, 0xC2000, 0xC4000, 0xC6000, 0xC8000, 0xCA000, 0xCC000, 0xCE000,
- 0xD0000, 0xD2000, 0xD4000, 0xD6000, 0xD8000, 0xDA000, 0xDC000, 0xDE000,
- 0xE0000, 0xE2000, 0xE4000, 0xE6000, 0xE8000, 0xEA000, 0xEC000, 0xEE000};
-
-static DEFINE_SPINLOCK(sdla_lock);
-
-/*********************************************************
- *
- * these are the core routines that access the card itself
- *
- *********************************************************/
-
-#define SDLA_WINDOW(dev,addr) outb((((addr) >> 13) & 0x1F), (dev)->base_addr + SDLA_REG_Z80_WINDOW)
-
-static void __sdla_read(struct net_device *dev, int addr, void *buf, short len)
-{
- char *temp;
- const void *base;
- int offset, bytes;
-
- temp = buf;
- while(len)
- {
- offset = addr & SDLA_ADDR_MASK;
- bytes = offset + len > SDLA_WINDOW_SIZE ? SDLA_WINDOW_SIZE - offset : len;
- base = (const void *) (dev->mem_start + offset);
-
- SDLA_WINDOW(dev, addr);
- memcpy(temp, base, bytes);
-
- addr += bytes;
- temp += bytes;
- len -= bytes;
- }
-}
-
-static void sdla_read(struct net_device *dev, int addr, void *buf, short len)
-{
- unsigned long flags;
- spin_lock_irqsave(&sdla_lock, flags);
- __sdla_read(dev, addr, buf, len);
- spin_unlock_irqrestore(&sdla_lock, flags);
-}
-
-static void __sdla_write(struct net_device *dev, int addr,
- const void *buf, short len)
-{
- const char *temp;
- void *base;
- int offset, bytes;
-
- temp = buf;
- while(len)
- {
- offset = addr & SDLA_ADDR_MASK;
- bytes = offset + len > SDLA_WINDOW_SIZE ? SDLA_WINDOW_SIZE - offset : len;
- base = (void *) (dev->mem_start + offset);
-
- SDLA_WINDOW(dev, addr);
- memcpy(base, temp, bytes);
-
- addr += bytes;
- temp += bytes;
- len -= bytes;
- }
-}
-
-static void sdla_write(struct net_device *dev, int addr,
- const void *buf, short len)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sdla_lock, flags);
- __sdla_write(dev, addr, buf, len);
- spin_unlock_irqrestore(&sdla_lock, flags);
-}
-
-
-static void sdla_clear(struct net_device *dev)
-{
- unsigned long flags;
- char *base;
- int len, addr, bytes;
-
- len = 65536;
- addr = 0;
- bytes = SDLA_WINDOW_SIZE;
- base = (void *) dev->mem_start;
-
- spin_lock_irqsave(&sdla_lock, flags);
- while(len)
- {
- SDLA_WINDOW(dev, addr);
- memset(base, 0, bytes);
-
- addr += bytes;
- len -= bytes;
- }
- spin_unlock_irqrestore(&sdla_lock, flags);
-
-}
-
-static char sdla_byte(struct net_device *dev, int addr)
-{
- unsigned long flags;
- char byte, *temp;
-
- temp = (void *) (dev->mem_start + (addr & SDLA_ADDR_MASK));
-
- spin_lock_irqsave(&sdla_lock, flags);
- SDLA_WINDOW(dev, addr);
- byte = *temp;
- spin_unlock_irqrestore(&sdla_lock, flags);
-
- return byte;
-}
-
-static void sdla_stop(struct net_device *dev)
-{
- struct frad_local *flp;
-
- flp = netdev_priv(dev);
- switch(flp->type)
- {
- case SDLA_S502A:
- outb(SDLA_S502A_HALT, dev->base_addr + SDLA_REG_CONTROL);
- flp->state = SDLA_HALT;
- break;
- case SDLA_S502E:
- outb(SDLA_HALT, dev->base_addr + SDLA_REG_Z80_CONTROL);
- outb(SDLA_S502E_ENABLE, dev->base_addr + SDLA_REG_CONTROL);
- flp->state = SDLA_S502E_ENABLE;
- break;
- case SDLA_S507:
- flp->state &= ~SDLA_CPUEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
- case SDLA_S508:
- flp->state &= ~SDLA_CPUEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
- }
-}
-
-static void sdla_start(struct net_device *dev)
-{
- struct frad_local *flp;
-
- flp = netdev_priv(dev);
- switch(flp->type)
- {
- case SDLA_S502A:
- outb(SDLA_S502A_NMI, dev->base_addr + SDLA_REG_CONTROL);
- outb(SDLA_S502A_START, dev->base_addr + SDLA_REG_CONTROL);
- flp->state = SDLA_S502A_START;
- break;
- case SDLA_S502E:
- outb(SDLA_S502E_CPUEN, dev->base_addr + SDLA_REG_Z80_CONTROL);
- outb(0x00, dev->base_addr + SDLA_REG_CONTROL);
- flp->state = 0;
- break;
- case SDLA_S507:
- flp->state |= SDLA_CPUEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
- case SDLA_S508:
- flp->state |= SDLA_CPUEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
- }
-}
-
-/****************************************************
- *
- * this is used for the S502A/E cards to determine
- * the speed of the onboard CPU. Calibration is
- * necessary for the Frame Relay code uploaded
- * later. Incorrect results cause timing problems
- * with link checks & status messages
- *
- ***************************************************/
-
-static int sdla_z80_poll(struct net_device *dev, int z80_addr, int jiffs, char resp1, char resp2)
-{
- unsigned long start, done, now;
- char resp, *temp;
-
- start = now = jiffies;
- done = jiffies + jiffs;
-
- temp = (void *)dev->mem_start;
- temp += z80_addr & SDLA_ADDR_MASK;
-
- resp = ~resp1;
- while (time_before(jiffies, done) && (resp != resp1) && (!resp2 || (resp != resp2)))
- {
- if (jiffies != now)
- {
- SDLA_WINDOW(dev, z80_addr);
- now = jiffies;
- resp = *temp;
- }
- }
- return time_before(jiffies, done) ? jiffies - start : -1;
-}
-
-/* constants for Z80 CPU speed */
-#define Z80_READY '1' /* Z80 is ready to begin */
-#define LOADER_READY '2' /* driver is ready to begin */
-#define Z80_SCC_OK '3' /* SCC is on board */
-#define Z80_SCC_BAD '4' /* SCC was not found */
-
-static int sdla_cpuspeed(struct net_device *dev, struct ifreq *ifr)
-{
- int jiffs;
- char data;
-
- sdla_start(dev);
- if (sdla_z80_poll(dev, 0, 3*HZ, Z80_READY, 0) < 0)
- return -EIO;
-
- data = LOADER_READY;
- sdla_write(dev, 0, &data, 1);
-
- if ((jiffs = sdla_z80_poll(dev, 0, 8*HZ, Z80_SCC_OK, Z80_SCC_BAD)) < 0)
- return -EIO;
-
- sdla_stop(dev);
- sdla_read(dev, 0, &data, 1);
-
- if (data == Z80_SCC_BAD)
- {
- printk("%s: SCC bad\n", dev->name);
- return -EIO;
- }
-
- if (data != Z80_SCC_OK)
- return -EINVAL;
-
- if (jiffs < 165)
- ifr->ifr_mtu = SDLA_CPU_16M;
- else if (jiffs < 220)
- ifr->ifr_mtu = SDLA_CPU_10M;
- else if (jiffs < 258)
- ifr->ifr_mtu = SDLA_CPU_8M;
- else if (jiffs < 357)
- ifr->ifr_mtu = SDLA_CPU_7M;
- else if (jiffs < 467)
- ifr->ifr_mtu = SDLA_CPU_5M;
- else
- ifr->ifr_mtu = SDLA_CPU_3M;
-
- return 0;
-}
-
-/************************************************
- *
- * Direct interaction with the Frame Relay code
- * starts here.
- *
- ************************************************/
-
-struct _dlci_stat
-{
- short dlci;
- char flags;
-} __packed;
-
-struct _frad_stat
-{
- char flags;
- struct _dlci_stat dlcis[SDLA_MAX_DLCI];
-};
-
-static void sdla_errors(struct net_device *dev, int cmd, int dlci, int ret, int len, void *data)
-{
- struct _dlci_stat *pstatus;
- short *pdlci;
- int i;
- char *state, line[30];
-
- switch (ret)
- {
- case SDLA_RET_MODEM:
- state = data;
- if (*state & SDLA_MODEM_DCD_LOW)
- netdev_info(dev, "Modem DCD unexpectedly low!\n");
- if (*state & SDLA_MODEM_CTS_LOW)
- netdev_info(dev, "Modem CTS unexpectedly low!\n");
- /* I should probably do something about this! */
- break;
-
- case SDLA_RET_CHANNEL_OFF:
- netdev_info(dev, "Channel became inoperative!\n");
- /* same here */
- break;
-
- case SDLA_RET_CHANNEL_ON:
- netdev_info(dev, "Channel became operative!\n");
- /* same here */
- break;
-
- case SDLA_RET_DLCI_STATUS:
- netdev_info(dev, "Status change reported by Access Node\n");
- len /= sizeof(struct _dlci_stat);
- for(pstatus = data, i=0;i < len;i++,pstatus++)
- {
- if (pstatus->flags & SDLA_DLCI_NEW)
- state = "new";
- else if (pstatus->flags & SDLA_DLCI_DELETED)
- state = "deleted";
- else if (pstatus->flags & SDLA_DLCI_ACTIVE)
- state = "active";
- else
- {
- sprintf(line, "unknown status: %02X", pstatus->flags);
- state = line;
- }
- netdev_info(dev, "DLCI %i: %s\n",
- pstatus->dlci, state);
- /* same here */
- }
- break;
-
- case SDLA_RET_DLCI_UNKNOWN:
- netdev_info(dev, "Received unknown DLCIs:");
- len /= sizeof(short);
- for(pdlci = data,i=0;i < len;i++,pdlci++)
- pr_cont(" %i", *pdlci);
- pr_cont("\n");
- break;
-
- case SDLA_RET_TIMEOUT:
- netdev_err(dev, "Command timed out!\n");
- break;
-
- case SDLA_RET_BUF_OVERSIZE:
- netdev_info(dev, "Bc/CIR overflow, acceptable size is %i\n",
- len);
- break;
-
- case SDLA_RET_BUF_TOO_BIG:
- netdev_info(dev, "Buffer size over specified max of %i\n",
- len);
- break;
-
- case SDLA_RET_CHANNEL_INACTIVE:
- case SDLA_RET_DLCI_INACTIVE:
- case SDLA_RET_CIR_OVERFLOW:
- case SDLA_RET_NO_BUFS:
- if (cmd == SDLA_INFORMATION_WRITE)
- break;
- fallthrough;
-
- default:
- netdev_dbg(dev, "Cmd 0x%02X generated return code 0x%02X\n",
- cmd, ret);
- /* Further processing could be done here */
- break;
- }
-}
-
-static int sdla_cmd(struct net_device *dev, int cmd, short dlci, short flags,
- void *inbuf, short inlen, void *outbuf, short *outlen)
-{
- static struct _frad_stat status;
- struct frad_local *flp;
- struct sdla_cmd *cmd_buf;
- unsigned long pflags;
- unsigned long jiffs;
- int ret, waiting, len;
- long window;
-
- flp = netdev_priv(dev);
- window = flp->type == SDLA_S508 ? SDLA_508_CMD_BUF : SDLA_502_CMD_BUF;
- cmd_buf = (struct sdla_cmd *)(dev->mem_start + (window & SDLA_ADDR_MASK));
- ret = 0;
- len = 0;
- jiffs = jiffies + HZ; /* 1 second is plenty */
-
- spin_lock_irqsave(&sdla_lock, pflags);
- SDLA_WINDOW(dev, window);
- cmd_buf->cmd = cmd;
- cmd_buf->dlci = dlci;
- cmd_buf->flags = flags;
-
- if (inbuf)
- memcpy(cmd_buf->data, inbuf, inlen);
-
- cmd_buf->length = inlen;
-
- cmd_buf->opp_flag = 1;
- spin_unlock_irqrestore(&sdla_lock, pflags);
-
- waiting = 1;
- len = 0;
- while (waiting && time_before_eq(jiffies, jiffs))
- {
- if (waiting++ % 3)
- {
- spin_lock_irqsave(&sdla_lock, pflags);
- SDLA_WINDOW(dev, window);
- waiting = ((volatile int)(cmd_buf->opp_flag));
- spin_unlock_irqrestore(&sdla_lock, pflags);
- }
- }
-
- if (!waiting)
- {
-
- spin_lock_irqsave(&sdla_lock, pflags);
- SDLA_WINDOW(dev, window);
- ret = cmd_buf->retval;
- len = cmd_buf->length;
- if (outbuf && outlen)
- {
- *outlen = *outlen >= len ? len : *outlen;
-
- if (*outlen)
- memcpy(outbuf, cmd_buf->data, *outlen);
- }
-
- /* This is a local copy that's used for error handling */
- if (ret)
- memcpy(&status, cmd_buf->data, len > sizeof(status) ? sizeof(status) : len);
-
- spin_unlock_irqrestore(&sdla_lock, pflags);
- }
- else
- ret = SDLA_RET_TIMEOUT;
-
- if (ret != SDLA_RET_OK)
- sdla_errors(dev, cmd, dlci, ret, len, &status);
-
- return ret;
-}
-
-/***********************************************
- *
- * these functions are called by the DLCI driver
- *
- ***********************************************/
-
-static int sdla_reconfig(struct net_device *dev);
-
-static int sdla_activate(struct net_device *slave, struct net_device *master)
-{
- struct frad_local *flp;
- int i;
-
- flp = netdev_priv(slave);
-
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->master[i] == master)
- break;
-
- if (i == CONFIG_DLCI_MAX)
- return -ENODEV;
-
- flp->dlci[i] = abs(flp->dlci[i]);
-
- if (netif_running(slave) && (flp->config.station == FRAD_STATION_NODE))
- sdla_cmd(slave, SDLA_ACTIVATE_DLCI, 0, 0, &flp->dlci[i], sizeof(short), NULL, NULL);
-
- return 0;
-}
-
-static int sdla_deactivate(struct net_device *slave, struct net_device *master)
-{
- struct frad_local *flp;
- int i;
-
- flp = netdev_priv(slave);
-
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->master[i] == master)
- break;
-
- if (i == CONFIG_DLCI_MAX)
- return -ENODEV;
-
- flp->dlci[i] = -abs(flp->dlci[i]);
-
- if (netif_running(slave) && (flp->config.station == FRAD_STATION_NODE))
- sdla_cmd(slave, SDLA_DEACTIVATE_DLCI, 0, 0, &flp->dlci[i], sizeof(short), NULL, NULL);
-
- return 0;
-}
-
-static int sdla_assoc(struct net_device *slave, struct net_device *master)
-{
- struct frad_local *flp;
- int i;
-
- if (master->type != ARPHRD_DLCI)
- return -EINVAL;
-
- flp = netdev_priv(slave);
-
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- {
- if (!flp->master[i])
- break;
- if (abs(flp->dlci[i]) == *(short *)(master->dev_addr))
- return -EADDRINUSE;
- }
-
- if (i == CONFIG_DLCI_MAX)
- return -EMLINK; /* #### Alan: Comments on this ?? */
-
-
- flp->master[i] = master;
- flp->dlci[i] = -*(short *)(master->dev_addr);
- master->mtu = slave->mtu;
-
- if (netif_running(slave)) {
- if (flp->config.station == FRAD_STATION_CPE)
- sdla_reconfig(slave);
- else
- sdla_cmd(slave, SDLA_ADD_DLCI, 0, 0, master->dev_addr, sizeof(short), NULL, NULL);
- }
-
- return 0;
-}
-
-static int sdla_deassoc(struct net_device *slave, struct net_device *master)
-{
- struct frad_local *flp;
- int i;
-
- flp = netdev_priv(slave);
-
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->master[i] == master)
- break;
-
- if (i == CONFIG_DLCI_MAX)
- return -ENODEV;
-
- flp->master[i] = NULL;
- flp->dlci[i] = 0;
-
-
- if (netif_running(slave)) {
- if (flp->config.station == FRAD_STATION_CPE)
- sdla_reconfig(slave);
- else
- sdla_cmd(slave, SDLA_DELETE_DLCI, 0, 0, master->dev_addr, sizeof(short), NULL, NULL);
- }
-
- return 0;
-}
-
-static int sdla_dlci_conf(struct net_device *slave, struct net_device *master, int get)
-{
- struct frad_local *flp;
- struct dlci_local *dlp;
- int i;
- short len, ret;
-
- flp = netdev_priv(slave);
-
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->master[i] == master)
- break;
-
- if (i == CONFIG_DLCI_MAX)
- return -ENODEV;
-
- dlp = netdev_priv(master);
-
- ret = SDLA_RET_OK;
- len = sizeof(struct dlci_conf);
- if (netif_running(slave)) {
- if (get)
- ret = sdla_cmd(slave, SDLA_READ_DLCI_CONFIGURATION, abs(flp->dlci[i]), 0,
- NULL, 0, &dlp->config, &len);
- else
- ret = sdla_cmd(slave, SDLA_SET_DLCI_CONFIGURATION, abs(flp->dlci[i]), 0,
- &dlp->config, sizeof(struct dlci_conf) - 4 * sizeof(short), NULL, NULL);
- }
-
- return ret == SDLA_RET_OK ? 0 : -EIO;
-}
-
-/**************************
- *
- * now for the Linux driver
- *
- **************************/
-
-/* NOTE: the DLCI driver deals with freeing the SKB!! */
-static netdev_tx_t sdla_transmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- struct frad_local *flp;
- int ret, addr, accept, i;
- short size;
- unsigned long flags;
- struct buf_entry *pbuf;
-
- flp = netdev_priv(dev);
- ret = 0;
- accept = 1;
-
- netif_stop_queue(dev);
-
- /*
- * stupid GateD insists on setting up the multicast router thru us
- * and we're ill equipped to handle a non Frame Relay packet at this
- * time!
- */
-
- accept = 1;
- switch (dev->type)
- {
- case ARPHRD_FRAD:
- if (skb->dev->type != ARPHRD_DLCI)
- {
- netdev_warn(dev, "Non DLCI device, type %i, tried to send on FRAD module\n",
- skb->dev->type);
- accept = 0;
- }
- break;
- default:
- netdev_warn(dev, "unknown firmware type 0x%04X\n",
- dev->type);
- accept = 0;
- break;
- }
- if (accept)
- {
- /* this is frame specific, but till there's a PPP module, it's the default */
- switch (flp->type)
- {
- case SDLA_S502A:
- case SDLA_S502E:
- ret = sdla_cmd(dev, SDLA_INFORMATION_WRITE, *(short *)(skb->dev->dev_addr), 0, skb->data, skb->len, NULL, NULL);
- break;
- case SDLA_S508:
- size = sizeof(addr);
- ret = sdla_cmd(dev, SDLA_INFORMATION_WRITE, *(short *)(skb->dev->dev_addr), 0, NULL, skb->len, &addr, &size);
- if (ret == SDLA_RET_OK)
- {
-
- spin_lock_irqsave(&sdla_lock, flags);
- SDLA_WINDOW(dev, addr);
- pbuf = (void *)(dev->mem_start + (addr & SDLA_ADDR_MASK));
- __sdla_write(dev, pbuf->buf_addr, skb->data, skb->len);
- SDLA_WINDOW(dev, addr);
- pbuf->opp_flag = 1;
- spin_unlock_irqrestore(&sdla_lock, flags);
- }
- break;
- }
-
- switch (ret)
- {
- case SDLA_RET_OK:
- dev->stats.tx_packets++;
- break;
-
- case SDLA_RET_CIR_OVERFLOW:
- case SDLA_RET_BUF_OVERSIZE:
- case SDLA_RET_NO_BUFS:
- dev->stats.tx_dropped++;
- break;
-
- default:
- dev->stats.tx_errors++;
- break;
- }
- }
- netif_wake_queue(dev);
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- {
- if(flp->master[i]!=NULL)
- netif_wake_queue(flp->master[i]);
- }
-
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
-}
-
-static void sdla_receive(struct net_device *dev)
-{
- struct net_device *master;
- struct frad_local *flp;
- struct dlci_local *dlp;
- struct sk_buff *skb;
-
- struct sdla_cmd *cmd;
- struct buf_info *pbufi;
- struct buf_entry *pbuf;
-
- unsigned long flags;
- int i=0, received, success, addr, buf_base, buf_top;
- short dlci, len, len2, split;
-
- flp = netdev_priv(dev);
- success = 1;
- received = addr = buf_top = buf_base = 0;
- len = dlci = 0;
- skb = NULL;
- master = NULL;
- cmd = NULL;
- pbufi = NULL;
- pbuf = NULL;
-
- spin_lock_irqsave(&sdla_lock, flags);
-
- switch (flp->type)
- {
- case SDLA_S502A:
- case SDLA_S502E:
- cmd = (void *) (dev->mem_start + (SDLA_502_RCV_BUF & SDLA_ADDR_MASK));
- SDLA_WINDOW(dev, SDLA_502_RCV_BUF);
- success = cmd->opp_flag;
- if (!success)
- break;
-
- dlci = cmd->dlci;
- len = cmd->length;
- break;
-
- case SDLA_S508:
- pbufi = (void *) (dev->mem_start + (SDLA_508_RXBUF_INFO & SDLA_ADDR_MASK));
- SDLA_WINDOW(dev, SDLA_508_RXBUF_INFO);
- pbuf = (void *) (dev->mem_start + ((pbufi->rse_base + flp->buffer * sizeof(struct buf_entry)) & SDLA_ADDR_MASK));
- success = pbuf->opp_flag;
- if (!success)
- break;
-
- buf_top = pbufi->buf_top;
- buf_base = pbufi->buf_base;
- dlci = pbuf->dlci;
- len = pbuf->length;
- addr = pbuf->buf_addr;
- break;
- }
-
- /* common code, find the DLCI and get the SKB */
- if (success)
- {
- for (i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i] == dlci)
- break;
-
- if (i == CONFIG_DLCI_MAX)
- {
- netdev_notice(dev, "Received packet from invalid DLCI %i, ignoring\n",
- dlci);
- dev->stats.rx_errors++;
- success = 0;
- }
- }
-
- if (success)
- {
- master = flp->master[i];
- skb = dev_alloc_skb(len + sizeof(struct frhdr));
- if (skb == NULL)
- {
- netdev_notice(dev, "Memory squeeze, dropping packet\n");
- dev->stats.rx_dropped++;
- success = 0;
- }
- else
- skb_reserve(skb, sizeof(struct frhdr));
- }
-
- /* pick up the data */
- switch (flp->type)
- {
- case SDLA_S502A:
- case SDLA_S502E:
- if (success)
- __sdla_read(dev, SDLA_502_RCV_BUF + SDLA_502_DATA_OFS, skb_put(skb,len), len);
-
- SDLA_WINDOW(dev, SDLA_502_RCV_BUF);
- cmd->opp_flag = 0;
- break;
-
- case SDLA_S508:
- if (success)
- {
- /* is this buffer split off the end of the internal ring buffer */
- split = addr + len > buf_top + 1 ? len - (buf_top - addr + 1) : 0;
- len2 = len - split;
-
- __sdla_read(dev, addr, skb_put(skb, len2), len2);
- if (split)
- __sdla_read(dev, buf_base, skb_put(skb, split), split);
- }
-
- /* increment the buffer we're looking at */
- SDLA_WINDOW(dev, SDLA_508_RXBUF_INFO);
- flp->buffer = (flp->buffer + 1) % pbufi->rse_num;
- pbuf->opp_flag = 0;
- break;
- }
-
- if (success)
- {
- dev->stats.rx_packets++;
- dlp = netdev_priv(master);
- (*dlp->receive)(skb, master);
- }
-
- spin_unlock_irqrestore(&sdla_lock, flags);
-}
-
-static irqreturn_t sdla_isr(int dummy, void *dev_id)
-{
- struct net_device *dev;
- struct frad_local *flp;
- char byte;
-
- dev = dev_id;
-
- flp = netdev_priv(dev);
-
- if (!flp->initialized)
- {
- netdev_warn(dev, "irq %d for uninitialized device\n", dev->irq);
- return IRQ_NONE;
- }
-
- byte = sdla_byte(dev, flp->type == SDLA_S508 ? SDLA_508_IRQ_INTERFACE : SDLA_502_IRQ_INTERFACE);
- switch (byte)
- {
- case SDLA_INTR_RX:
- sdla_receive(dev);
- break;
-
- /* the command will get an error return, which is processed above */
- case SDLA_INTR_MODEM:
- case SDLA_INTR_STATUS:
- sdla_cmd(dev, SDLA_READ_DLC_STATUS, 0, 0, NULL, 0, NULL, NULL);
- break;
-
- case SDLA_INTR_TX:
- case SDLA_INTR_COMPLETE:
- case SDLA_INTR_TIMER:
- netdev_warn(dev, "invalid irq flag 0x%02X\n", byte);
- break;
- }
-
- /* the S502E requires a manual acknowledgement of the interrupt */
- if (flp->type == SDLA_S502E)
- {
- flp->state &= ~SDLA_S502E_INTACK;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- flp->state |= SDLA_S502E_INTACK;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- }
-
- /* this clears the byte, informing the Z80 we're done */
- byte = 0;
- sdla_write(dev, flp->type == SDLA_S508 ? SDLA_508_IRQ_INTERFACE : SDLA_502_IRQ_INTERFACE, &byte, sizeof(byte));
- return IRQ_HANDLED;
-}
-
-static void sdla_poll(struct timer_list *t)
-{
- struct frad_local *flp = from_timer(flp, t, timer);
- struct net_device *dev = flp->dev;
-
- if (sdla_byte(dev, SDLA_502_RCV_BUF))
- sdla_receive(dev);
-
- flp->timer.expires = 1;
- add_timer(&flp->timer);
-}
-
-static int sdla_close(struct net_device *dev)
-{
- struct frad_local *flp;
- struct intr_info intr;
- int len, i;
- short dlcis[CONFIG_DLCI_MAX];
-
- flp = netdev_priv(dev);
-
- len = 0;
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i])
- dlcis[len++] = abs(flp->dlci[i]);
- len *= 2;
-
- if (flp->config.station == FRAD_STATION_NODE)
- {
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i] > 0)
- sdla_cmd(dev, SDLA_DEACTIVATE_DLCI, 0, 0, dlcis, len, NULL, NULL);
- sdla_cmd(dev, SDLA_DELETE_DLCI, 0, 0, &flp->dlci[i], sizeof(flp->dlci[i]), NULL, NULL);
- }
-
- memset(&intr, 0, sizeof(intr));
- /* let's start up the reception */
- switch(flp->type)
- {
- case SDLA_S502A:
- del_timer(&flp->timer);
- break;
-
- case SDLA_S502E:
- sdla_cmd(dev, SDLA_SET_IRQ_TRIGGER, 0, 0, &intr, sizeof(char) + sizeof(short), NULL, NULL);
- flp->state &= ~SDLA_S502E_INTACK;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
-
- case SDLA_S507:
- break;
-
- case SDLA_S508:
- sdla_cmd(dev, SDLA_SET_IRQ_TRIGGER, 0, 0, &intr, sizeof(struct intr_info), NULL, NULL);
- flp->state &= ~SDLA_S508_INTEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- break;
- }
-
- sdla_cmd(dev, SDLA_DISABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
-
- netif_stop_queue(dev);
-
- return 0;
-}
-
-struct conf_data {
- struct frad_conf config;
- short dlci[CONFIG_DLCI_MAX];
-};
-
-static int sdla_open(struct net_device *dev)
-{
- struct frad_local *flp;
- struct dlci_local *dlp;
- struct conf_data data;
- struct intr_info intr;
- int len, i;
- char byte;
-
- flp = netdev_priv(dev);
-
- if (!flp->initialized)
- return -EPERM;
-
- if (!flp->configured)
- return -EPERM;
-
- /* time to send in the configuration */
- len = 0;
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i])
- data.dlci[len++] = abs(flp->dlci[i]);
- len *= 2;
-
- memcpy(&data.config, &flp->config, sizeof(struct frad_conf));
- len += sizeof(struct frad_conf);
-
- sdla_cmd(dev, SDLA_DISABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
- sdla_cmd(dev, SDLA_SET_DLCI_CONFIGURATION, 0, 0, &data, len, NULL, NULL);
-
- if (flp->type == SDLA_S508)
- flp->buffer = 0;
-
- sdla_cmd(dev, SDLA_ENABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
-
- /* let's start up the reception */
- memset(&intr, 0, sizeof(intr));
- switch(flp->type)
- {
- case SDLA_S502A:
- flp->timer.expires = 1;
- add_timer(&flp->timer);
- break;
-
- case SDLA_S502E:
- flp->state |= SDLA_S502E_ENABLE;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- flp->state |= SDLA_S502E_INTACK;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- byte = 0;
- sdla_write(dev, SDLA_502_IRQ_INTERFACE, &byte, sizeof(byte));
- intr.flags = SDLA_INTR_RX | SDLA_INTR_STATUS | SDLA_INTR_MODEM;
- sdla_cmd(dev, SDLA_SET_IRQ_TRIGGER, 0, 0, &intr, sizeof(char) + sizeof(short), NULL, NULL);
- break;
-
- case SDLA_S507:
- break;
-
- case SDLA_S508:
- flp->state |= SDLA_S508_INTEN;
- outb(flp->state, dev->base_addr + SDLA_REG_CONTROL);
- byte = 0;
- sdla_write(dev, SDLA_508_IRQ_INTERFACE, &byte, sizeof(byte));
- intr.flags = SDLA_INTR_RX | SDLA_INTR_STATUS | SDLA_INTR_MODEM;
- intr.irq = dev->irq;
- sdla_cmd(dev, SDLA_SET_IRQ_TRIGGER, 0, 0, &intr, sizeof(struct intr_info), NULL, NULL);
- break;
- }
-
- if (flp->config.station == FRAD_STATION_CPE)
- {
- byte = SDLA_ICS_STATUS_ENQ;
- sdla_cmd(dev, SDLA_ISSUE_IN_CHANNEL_SIGNAL, 0, 0, &byte, sizeof(byte), NULL, NULL);
- }
- else
- {
- sdla_cmd(dev, SDLA_ADD_DLCI, 0, 0, data.dlci, len - sizeof(struct frad_conf), NULL, NULL);
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i] > 0)
- sdla_cmd(dev, SDLA_ACTIVATE_DLCI, 0, 0, &flp->dlci[i], 2*sizeof(flp->dlci[i]), NULL, NULL);
- }
-
- /* configure any specific DLCI settings */
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i])
- {
- dlp = netdev_priv(flp->master[i]);
- if (dlp->configured)
- sdla_cmd(dev, SDLA_SET_DLCI_CONFIGURATION, abs(flp->dlci[i]), 0, &dlp->config, sizeof(struct dlci_conf), NULL, NULL);
- }
-
- netif_start_queue(dev);
-
- return 0;
-}
-
-static int sdla_config(struct net_device *dev, struct frad_conf __user *conf, int get)
-{
- struct frad_local *flp;
- struct conf_data data;
- int i;
- short size;
-
- if (dev->type == 0xFFFF)
- return -EUNATCH;
-
- flp = netdev_priv(dev);
-
- if (!get)
- {
- if (netif_running(dev))
- return -EBUSY;
-
- if(copy_from_user(&data.config, conf, sizeof(struct frad_conf)))
- return -EFAULT;
-
- if (data.config.station & ~FRAD_STATION_NODE)
- return -EINVAL;
-
- if (data.config.flags & ~FRAD_VALID_FLAGS)
- return -EINVAL;
-
- if ((data.config.kbaud < 0) ||
- ((data.config.kbaud > 128) && (flp->type != SDLA_S508)))
- return -EINVAL;
-
- if (data.config.clocking & ~(FRAD_CLOCK_INT | SDLA_S508_PORT_RS232))
- return -EINVAL;
-
- if ((data.config.mtu < 0) || (data.config.mtu > SDLA_MAX_MTU))
- return -EINVAL;
-
- if ((data.config.T391 < 5) || (data.config.T391 > 30))
- return -EINVAL;
-
- if ((data.config.T392 < 5) || (data.config.T392 > 30))
- return -EINVAL;
-
- if ((data.config.N391 < 1) || (data.config.N391 > 255))
- return -EINVAL;
-
- if ((data.config.N392 < 1) || (data.config.N392 > 10))
- return -EINVAL;
-
- if ((data.config.N393 < 1) || (data.config.N393 > 10))
- return -EINVAL;
-
- memcpy(&flp->config, &data.config, sizeof(struct frad_conf));
- flp->config.flags |= SDLA_DIRECT_RECV;
-
- if (flp->type == SDLA_S508)
- flp->config.flags |= SDLA_TX70_RX30;
-
- if (dev->mtu != flp->config.mtu)
- {
- /* this is required to change the MTU */
- dev->mtu = flp->config.mtu;
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->master[i])
- flp->master[i]->mtu = flp->config.mtu;
- }
-
- flp->config.mtu += sizeof(struct frhdr);
-
- /* off to the races! */
- if (!flp->configured)
- sdla_start(dev);
-
- flp->configured = 1;
- }
- else
- {
- /* no sense reading if the CPU isn't started */
- if (netif_running(dev))
- {
- size = sizeof(data);
- if (sdla_cmd(dev, SDLA_READ_DLCI_CONFIGURATION, 0, 0, NULL, 0, &data, &size) != SDLA_RET_OK)
- return -EIO;
- }
- else
- if (flp->configured)
- memcpy(&data.config, &flp->config, sizeof(struct frad_conf));
- else
- memset(&data.config, 0, sizeof(struct frad_conf));
-
- memcpy(&flp->config, &data.config, sizeof(struct frad_conf));
- data.config.flags &= FRAD_VALID_FLAGS;
- data.config.mtu -= data.config.mtu > sizeof(struct frhdr) ? sizeof(struct frhdr) : data.config.mtu;
- return copy_to_user(conf, &data.config, sizeof(struct frad_conf))?-EFAULT:0;
- }
-
- return 0;
-}
-
-static int sdla_xfer(struct net_device *dev, struct sdla_mem __user *info, int read)
-{
- struct sdla_mem mem;
- char *temp;
-
- if(copy_from_user(&mem, info, sizeof(mem)))
- return -EFAULT;
-
- if (read)
- {
- temp = kzalloc(mem.len, GFP_KERNEL);
- if (!temp)
- return -ENOMEM;
- sdla_read(dev, mem.addr, temp, mem.len);
- if(copy_to_user(mem.data, temp, mem.len))
- {
- kfree(temp);
- return -EFAULT;
- }
- kfree(temp);
- }
- else
- {
- temp = memdup_user(mem.data, mem.len);
- if (IS_ERR(temp))
- return PTR_ERR(temp);
- sdla_write(dev, mem.addr, temp, mem.len);
- kfree(temp);
- }
- return 0;
-}
-
-static int sdla_reconfig(struct net_device *dev)
-{
- struct frad_local *flp;
- struct conf_data data;
- int i, len;
-
- flp = netdev_priv(dev);
-
- len = 0;
- for(i=0;i<CONFIG_DLCI_MAX;i++)
- if (flp->dlci[i])
- data.dlci[len++] = flp->dlci[i];
- len *= 2;
-
- memcpy(&data, &flp->config, sizeof(struct frad_conf));
- len += sizeof(struct frad_conf);
-
- sdla_cmd(dev, SDLA_DISABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
- sdla_cmd(dev, SDLA_SET_DLCI_CONFIGURATION, 0, 0, &data, len, NULL, NULL);
- sdla_cmd(dev, SDLA_ENABLE_COMMUNICATIONS, 0, 0, NULL, 0, NULL, NULL);
-
- return 0;
-}
-
-static int sdla_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
- struct frad_local *flp;
-
- if(!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- flp = netdev_priv(dev);
-
- if (!flp->initialized)
- return -EINVAL;
-
- switch (cmd)
- {
- case FRAD_GET_CONF:
- case FRAD_SET_CONF:
- return sdla_config(dev, ifr->ifr_data, cmd == FRAD_GET_CONF);
-
- case SDLA_IDENTIFY:
- ifr->ifr_flags = flp->type;
- break;
-
- case SDLA_CPUSPEED:
- return sdla_cpuspeed(dev, ifr);
-
-/* ==========================================================
-NOTE: This is rather a useless action right now, as the
- current driver does not support protocols other than
- FR. However, Sangoma has modules for a number of
- other protocols in the works.
-============================================================*/
- case SDLA_PROTOCOL:
- if (flp->configured)
- return -EALREADY;
-
- switch (ifr->ifr_flags)
- {
- case ARPHRD_FRAD:
- dev->type = ifr->ifr_flags;
- break;
- default:
- return -ENOPROTOOPT;
- }
- break;
-
- case SDLA_CLEARMEM:
- sdla_clear(dev);
- break;
-
- case SDLA_WRITEMEM:
- case SDLA_READMEM:
- if(!capable(CAP_SYS_RAWIO))
- return -EPERM;
- return sdla_xfer(dev, ifr->ifr_data, cmd == SDLA_READMEM);
-
- case SDLA_START:
- sdla_start(dev);
- break;
-
- case SDLA_STOP:
- sdla_stop(dev);
- break;
-
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int sdla_change_mtu(struct net_device *dev, int new_mtu)
-{
- if (netif_running(dev))
- return -EBUSY;
-
- /* for now, you can't change the MTU! */
- return -EOPNOTSUPP;
-}
-
-static int sdla_set_config(struct net_device *dev, struct ifmap *map)
-{
- struct frad_local *flp;
- int i;
- char byte;
- unsigned base;
- int err = -EINVAL;
-
- flp = netdev_priv(dev);
-
- if (flp->initialized)
- return -EINVAL;
-
- for(i=0; i < ARRAY_SIZE(valid_port); i++)
- if (valid_port[i] == map->base_addr)
- break;
-
- if (i == ARRAY_SIZE(valid_port))
- return -EINVAL;
-
- if (!request_region(map->base_addr, SDLA_IO_EXTENTS, dev->name)){
- pr_warn("io-port 0x%04lx in use\n", dev->base_addr);
- return -EINVAL;
- }
- base = map->base_addr;
-
- /* test for card types, S502A, S502E, S507, S508 */
- /* these tests shut down the card completely, so clear the state */
- flp->type = SDLA_UNKNOWN;
- flp->state = 0;
-
- for(i=1;i<SDLA_IO_EXTENTS;i++)
- if (inb(base + i) != 0xFF)
- break;
-
- if (i == SDLA_IO_EXTENTS) {
- outb(SDLA_HALT, base + SDLA_REG_Z80_CONTROL);
- if ((inb(base + SDLA_S502_STS) & 0x0F) == 0x08) {
- outb(SDLA_S502E_INTACK, base + SDLA_REG_CONTROL);
- if ((inb(base + SDLA_S502_STS) & 0x0F) == 0x0C) {
- outb(SDLA_HALT, base + SDLA_REG_CONTROL);
- flp->type = SDLA_S502E;
- goto got_type;
- }
- }
- }
-
- for(byte=inb(base),i=0;i<SDLA_IO_EXTENTS;i++)
- if (inb(base + i) != byte)
- break;
-
- if (i == SDLA_IO_EXTENTS) {
- outb(SDLA_HALT, base + SDLA_REG_CONTROL);
- if ((inb(base + SDLA_S502_STS) & 0x7E) == 0x30) {
- outb(SDLA_S507_ENABLE, base + SDLA_REG_CONTROL);
- if ((inb(base + SDLA_S502_STS) & 0x7E) == 0x32) {
- outb(SDLA_HALT, base + SDLA_REG_CONTROL);
- flp->type = SDLA_S507;
- goto got_type;
- }
- }
- }
-
- outb(SDLA_HALT, base + SDLA_REG_CONTROL);
- if ((inb(base + SDLA_S508_STS) & 0x3F) == 0x00) {
- outb(SDLA_S508_INTEN, base + SDLA_REG_CONTROL);
- if ((inb(base + SDLA_S508_STS) & 0x3F) == 0x10) {
- outb(SDLA_HALT, base + SDLA_REG_CONTROL);
- flp->type = SDLA_S508;
- goto got_type;
- }
- }
-
- outb(SDLA_S502A_HALT, base + SDLA_REG_CONTROL);
- if (inb(base + SDLA_S502_STS) == 0x40) {
- outb(SDLA_S502A_START, base + SDLA_REG_CONTROL);
- if (inb(base + SDLA_S502_STS) == 0x40) {
- outb(SDLA_S502A_INTEN, base + SDLA_REG_CONTROL);
- if (inb(base + SDLA_S502_STS) == 0x44) {
- outb(SDLA_S502A_START, base + SDLA_REG_CONTROL);
- flp->type = SDLA_S502A;
- goto got_type;
- }
- }
- }
-
- netdev_notice(dev, "Unknown card type\n");
- err = -ENODEV;
- goto fail;
-
-got_type:
- switch(base) {
- case 0x270:
- case 0x280:
- case 0x380:
- case 0x390:
- if (flp->type != SDLA_S508 && flp->type != SDLA_S507)
- goto fail;
- }
-
- switch (map->irq) {
- case 2:
- if (flp->type != SDLA_S502E)
- goto fail;
- break;
-
- case 10:
- case 11:
- case 12:
- case 15:
- case 4:
- if (flp->type != SDLA_S508 && flp->type != SDLA_S507)
- goto fail;
- break;
- case 3:
- case 5:
- case 7:
- if (flp->type == SDLA_S502A)
- goto fail;
- break;
-
- default:
- goto fail;
- }
-
- err = -EAGAIN;
- if (request_irq(dev->irq, sdla_isr, 0, dev->name, dev))
- goto fail;
-
- if (flp->type == SDLA_S507) {
- switch(dev->irq) {
- case 3:
- flp->state = SDLA_S507_IRQ3;
- break;
- case 4:
- flp->state = SDLA_S507_IRQ4;
- break;
- case 5:
- flp->state = SDLA_S507_IRQ5;
- break;
- case 7:
- flp->state = SDLA_S507_IRQ7;
- break;
- case 10:
- flp->state = SDLA_S507_IRQ10;
- break;
- case 11:
- flp->state = SDLA_S507_IRQ11;
- break;
- case 12:
- flp->state = SDLA_S507_IRQ12;
- break;
- case 15:
- flp->state = SDLA_S507_IRQ15;
- break;
- }
- }
-
- for(i=0; i < ARRAY_SIZE(valid_mem); i++)
- if (valid_mem[i] == map->mem_start)
- break;
-
- err = -EINVAL;
- if (i == ARRAY_SIZE(valid_mem))
- goto fail2;
-
- if (flp->type == SDLA_S502A && (map->mem_start & 0xF000) >> 12 == 0x0E)
- goto fail2;
-
- if (flp->type != SDLA_S507 && map->mem_start >> 16 == 0x0B)
- goto fail2;
-
- if (flp->type == SDLA_S507 && map->mem_start >> 16 == 0x0D)
- goto fail2;
-
- byte = flp->type != SDLA_S508 ? SDLA_8K_WINDOW : 0;
- byte |= (map->mem_start & 0xF000) >> (12 + (flp->type == SDLA_S508 ? 1 : 0));
- switch(flp->type) {
- case SDLA_S502A:
- case SDLA_S502E:
- switch (map->mem_start >> 16) {
- case 0x0A:
- byte |= SDLA_S502_SEG_A;
- break;
- case 0x0C:
- byte |= SDLA_S502_SEG_C;
- break;
- case 0x0D:
- byte |= SDLA_S502_SEG_D;
- break;
- case 0x0E:
- byte |= SDLA_S502_SEG_E;
- break;
- }
- break;
- case SDLA_S507:
- switch (map->mem_start >> 16) {
- case 0x0A:
- byte |= SDLA_S507_SEG_A;
- break;
- case 0x0B:
- byte |= SDLA_S507_SEG_B;
- break;
- case 0x0C:
- byte |= SDLA_S507_SEG_C;
- break;
- case 0x0E:
- byte |= SDLA_S507_SEG_E;
- break;
- }
- break;
- case SDLA_S508:
- switch (map->mem_start >> 16) {
- case 0x0A:
- byte |= SDLA_S508_SEG_A;
- break;
- case 0x0C:
- byte |= SDLA_S508_SEG_C;
- break;
- case 0x0D:
- byte |= SDLA_S508_SEG_D;
- break;
- case 0x0E:
- byte |= SDLA_S508_SEG_E;
- break;
- }
- break;
- }
-
- /* set the memory bits, and enable access */
- outb(byte, base + SDLA_REG_PC_WINDOW);
-
- switch(flp->type)
- {
- case SDLA_S502E:
- flp->state = SDLA_S502E_ENABLE;
- break;
- case SDLA_S507:
- flp->state |= SDLA_MEMEN;
- break;
- case SDLA_S508:
- flp->state = SDLA_MEMEN;
- break;
- }
- outb(flp->state, base + SDLA_REG_CONTROL);
-
- dev->irq = map->irq;
- dev->base_addr = base;
- dev->mem_start = map->mem_start;
- dev->mem_end = dev->mem_start + 0x2000;
- flp->initialized = 1;
- return 0;
-
-fail2:
- free_irq(map->irq, dev);
-fail:
- release_region(base, SDLA_IO_EXTENTS);
- return err;
-}
-
-static const struct net_device_ops sdla_netdev_ops = {
- .ndo_open = sdla_open,
- .ndo_stop = sdla_close,
- .ndo_do_ioctl = sdla_ioctl,
- .ndo_set_config = sdla_set_config,
- .ndo_start_xmit = sdla_transmit,
- .ndo_change_mtu = sdla_change_mtu,
-};
-
-static void setup_sdla(struct net_device *dev)
-{
- struct frad_local *flp = netdev_priv(dev);
-
- netdev_boot_setup_check(dev);
-
- dev->netdev_ops = &sdla_netdev_ops;
- dev->flags = 0;
- dev->type = 0xFFFF;
- dev->hard_header_len = 0;
- dev->addr_len = 0;
- dev->mtu = SDLA_MAX_MTU;
-
- flp->activate = sdla_activate;
- flp->deactivate = sdla_deactivate;
- flp->assoc = sdla_assoc;
- flp->deassoc = sdla_deassoc;
- flp->dlci_conf = sdla_dlci_conf;
- flp->dev = dev;
-
- timer_setup(&flp->timer, sdla_poll, 0);
- flp->timer.expires = 1;
-}
-
-static struct net_device *sdla;
-
-static int __init init_sdla(void)
-{
- int err;
-
- printk("%s.\n", version);
-
- sdla = alloc_netdev(sizeof(struct frad_local), "sdla0",
- NET_NAME_UNKNOWN, setup_sdla);
- if (!sdla)
- return -ENOMEM;
-
- err = register_netdev(sdla);
- if (err)
- free_netdev(sdla);
-
- return err;
-}
-
-static void __exit exit_sdla(void)
-{
- struct frad_local *flp = netdev_priv(sdla);
-
- unregister_netdev(sdla);
- if (flp->initialized) {
- free_irq(sdla->irq, sdla);
- release_region(sdla->base_addr, SDLA_IO_EXTENTS);
- }
- del_timer_sync(&flp->timer);
- free_netdev(sdla);
-}
-
-MODULE_LICENSE("GPL");
-
-module_init(init_sdla);
-module_exit(exit_sdla);
diff --git a/include/linux/if_frad.h b/include/linux/if_frad.h
deleted file mode 100644
index 52224de798aa..000000000000
--- a/include/linux/if_frad.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * DLCI/FRAD Definitions for Frame Relay Access Devices. DLCI devices are
- * created for each DLCI associated with a FRAD. The FRAD driver
- * is not truly a network device, but the lower level device
- * handler. This allows other FRAD manufacturers to use the DLCI
- * code, including its RFC1490 encapsulation alongside the current
- * implementation for the Sangoma cards.
- *
- * Version: @(#)if_ifrad.h 0.15 31 Mar 96
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- * 0.15 Mike McLagan changed structure defs (packed)
- * re-arranged flags
- * added DLCI_RET vars
- */
-#ifndef _FRAD_H_
-#define _FRAD_H_
-
-#include <uapi/linux/if_frad.h>
-
-
-#if defined(CONFIG_DLCI) || defined(CONFIG_DLCI_MODULE)
-
-/* these are the fields of an RFC 1490 header */
-struct frhdr
-{
- unsigned char control;
-
- /* for IP packets, this can be the NLPID */
- unsigned char pad;
-
- unsigned char NLPID;
- unsigned char OUI[3];
- __be16 PID;
-
-#define IP_NLPID pad
-} __packed;
-
-/* see RFC 1490 for the definition of the following */
-#define FRAD_I_UI 0x03
-
-#define FRAD_P_PADDING 0x00
-#define FRAD_P_Q933 0x08
-#define FRAD_P_SNAP 0x80
-#define FRAD_P_CLNP 0x81
-#define FRAD_P_IP 0xCC
-
-struct dlci_local
-{
- struct net_device *master;
- struct net_device *slave;
- struct dlci_conf config;
- int configured;
- struct list_head list;
-
- /* callback function */
- void (*receive)(struct sk_buff *skb, struct net_device *);
-};
-
-struct frad_local
-{
- /* devices which this FRAD is slaved to */
- struct net_device *master[CONFIG_DLCI_MAX];
- short dlci[CONFIG_DLCI_MAX];
-
- struct frad_conf config;
- int configured; /* has this device been configured */
- int initialized; /* mem_start, port, irq set ? */
-
- /* callback functions */
- int (*activate)(struct net_device *, struct net_device *);
- int (*deactivate)(struct net_device *, struct net_device *);
- int (*assoc)(struct net_device *, struct net_device *);
- int (*deassoc)(struct net_device *, struct net_device *);
- int (*dlci_conf)(struct net_device *, struct net_device *, int get);
-
- /* fields that are used by the Sangoma SDLA cards */
- struct timer_list timer;
- struct net_device *dev;
- int type; /* adapter type */
- int state; /* state of the S502/8 control latch */
- int buffer; /* current buffer for S508 firmware */
-};
-
-#endif /* CONFIG_DLCI || CONFIG_DLCI_MODULE */
-
-extern void dlci_ioctl_set(int (*hook)(unsigned int, void __user *));
-
-#endif
diff --git a/include/linux/sdla.h b/include/linux/sdla.h
deleted file mode 100644
index 00e8b3b614f0..000000000000
--- a/include/linux/sdla.h
+++ /dev/null
@@ -1,240 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Global definitions for the Frame relay interface.
- *
- * Version: @(#)if_ifrad.h 0.20 13 Apr 96
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- * 0.15 Mike McLagan Structure packing
- *
- * 0.20 Mike McLagan New flags for S508 buffer handling
- */
-#ifndef SDLA_H
-#define SDLA_H
-
-#include <uapi/linux/sdla.h>
-
-
-/* important Z80 window addresses */
-#define SDLA_CONTROL_WND 0xE000
-
-#define SDLA_502_CMD_BUF 0xEF60
-#define SDLA_502_RCV_BUF 0xA900
-#define SDLA_502_TXN_AVAIL 0xFFF1
-#define SDLA_502_RCV_AVAIL 0xFFF2
-#define SDLA_502_EVENT_FLAGS 0xFFF3
-#define SDLA_502_MDM_STATUS 0xFFF4
-#define SDLA_502_IRQ_INTERFACE 0xFFFD
-#define SDLA_502_IRQ_PERMISSION 0xFFFE
-#define SDLA_502_DATA_OFS 0x0010
-
-#define SDLA_508_CMD_BUF 0xE000
-#define SDLA_508_TXBUF_INFO 0xF100
-#define SDLA_508_RXBUF_INFO 0xF120
-#define SDLA_508_EVENT_FLAGS 0xF003
-#define SDLA_508_MDM_STATUS 0xF004
-#define SDLA_508_IRQ_INTERFACE 0xF010
-#define SDLA_508_IRQ_PERMISSION 0xF011
-#define SDLA_508_TSE_OFFSET 0xF012
-
-/* Event flags */
-#define SDLA_EVENT_STATUS 0x01
-#define SDLA_EVENT_DLCI_STATUS 0x02
-#define SDLA_EVENT_BAD_DLCI 0x04
-#define SDLA_EVENT_LINK_DOWN 0x40
-
-/* IRQ Trigger flags */
-#define SDLA_INTR_RX 0x01
-#define SDLA_INTR_TX 0x02
-#define SDLA_INTR_MODEM 0x04
-#define SDLA_INTR_COMPLETE 0x08
-#define SDLA_INTR_STATUS 0x10
-#define SDLA_INTR_TIMER 0x20
-
-/* DLCI status bits */
-#define SDLA_DLCI_DELETED 0x01
-#define SDLA_DLCI_ACTIVE 0x02
-#define SDLA_DLCI_WAITING 0x04
-#define SDLA_DLCI_NEW 0x08
-#define SDLA_DLCI_INCLUDED 0x40
-
-/* valid command codes */
-#define SDLA_INFORMATION_WRITE 0x01
-#define SDLA_INFORMATION_READ 0x02
-#define SDLA_ISSUE_IN_CHANNEL_SIGNAL 0x03
-#define SDLA_SET_DLCI_CONFIGURATION 0x10
-#define SDLA_READ_DLCI_CONFIGURATION 0x11
-#define SDLA_DISABLE_COMMUNICATIONS 0x12
-#define SDLA_ENABLE_COMMUNICATIONS 0x13
-#define SDLA_READ_DLC_STATUS 0x14
-#define SDLA_READ_DLC_STATISTICS 0x15
-#define SDLA_FLUSH_DLC_STATISTICS 0x16
-#define SDLA_LIST_ACTIVE_DLCI 0x17
-#define SDLA_FLUSH_INFORMATION_BUFFERS 0x18
-#define SDLA_ADD_DLCI 0x20
-#define SDLA_DELETE_DLCI 0x21
-#define SDLA_ACTIVATE_DLCI 0x22
-#define SDLA_DEACTIVATE_DLCI 0x23
-#define SDLA_READ_MODEM_STATUS 0x30
-#define SDLA_SET_MODEM_STATUS 0x31
-#define SDLA_READ_COMMS_ERR_STATS 0x32
-#define SDLA_FLUSH_COMMS_ERR_STATS 0x33
-#define SDLA_READ_CODE_VERSION 0x40
-#define SDLA_SET_IRQ_TRIGGER 0x50
-#define SDLA_GET_IRQ_TRIGGER 0x51
-
-/* In channel signal types */
-#define SDLA_ICS_LINK_VERIFY 0x02
-#define SDLA_ICS_STATUS_ENQ 0x03
-
-/* modem status flags */
-#define SDLA_MODEM_DTR_HIGH 0x01
-#define SDLA_MODEM_RTS_HIGH 0x02
-#define SDLA_MODEM_DCD_HIGH 0x08
-#define SDLA_MODEM_CTS_HIGH 0x20
-
-/* used for RET_MODEM interpretation */
-#define SDLA_MODEM_DCD_LOW 0x01
-#define SDLA_MODEM_CTS_LOW 0x02
-
-/* return codes */
-#define SDLA_RET_OK 0x00
-#define SDLA_RET_COMMUNICATIONS 0x01
-#define SDLA_RET_CHANNEL_INACTIVE 0x02
-#define SDLA_RET_DLCI_INACTIVE 0x03
-#define SDLA_RET_DLCI_CONFIG 0x04
-#define SDLA_RET_BUF_TOO_BIG 0x05
-#define SDLA_RET_NO_DATA 0x05
-#define SDLA_RET_BUF_OVERSIZE 0x06
-#define SDLA_RET_CIR_OVERFLOW 0x07
-#define SDLA_RET_NO_BUFS 0x08
-#define SDLA_RET_TIMEOUT 0x0A
-#define SDLA_RET_MODEM 0x10
-#define SDLA_RET_CHANNEL_OFF 0x11
-#define SDLA_RET_CHANNEL_ON 0x12
-#define SDLA_RET_DLCI_STATUS 0x13
-#define SDLA_RET_DLCI_UNKNOWN 0x14
-#define SDLA_RET_COMMAND_INVALID 0x1F
-
-/* Configuration flags */
-#define SDLA_DIRECT_RECV 0x0080
-#define SDLA_TX_NO_EXCEPT 0x0020
-#define SDLA_NO_ICF_MSGS 0x1000
-#define SDLA_TX50_RX50 0x0000
-#define SDLA_TX70_RX30 0x2000
-#define SDLA_TX30_RX70 0x4000
-
-/* IRQ selection flags */
-#define SDLA_IRQ_RECEIVE 0x01
-#define SDLA_IRQ_TRANSMIT 0x02
-#define SDLA_IRQ_MODEM_STAT 0x04
-#define SDLA_IRQ_COMMAND 0x08
-#define SDLA_IRQ_CHANNEL 0x10
-#define SDLA_IRQ_TIMER 0x20
-
-/* definitions for PC memory mapping */
-#define SDLA_8K_WINDOW 0x01
-#define SDLA_S502_SEG_A 0x10
-#define SDLA_S502_SEG_C 0x20
-#define SDLA_S502_SEG_D 0x00
-#define SDLA_S502_SEG_E 0x30
-#define SDLA_S507_SEG_A 0x00
-#define SDLA_S507_SEG_B 0x40
-#define SDLA_S507_SEG_C 0x80
-#define SDLA_S507_SEG_E 0xC0
-#define SDLA_S508_SEG_A 0x00
-#define SDLA_S508_SEG_C 0x10
-#define SDLA_S508_SEG_D 0x08
-#define SDLA_S508_SEG_E 0x18
-
-/* SDLA adapter port constants */
-#define SDLA_IO_EXTENTS 0x04
-
-#define SDLA_REG_CONTROL 0x00
-#define SDLA_REG_PC_WINDOW 0x01 /* offset for PC window select latch */
-#define SDLA_REG_Z80_WINDOW 0x02 /* offset for Z80 window select latch */
-#define SDLA_REG_Z80_CONTROL 0x03 /* offset for Z80 control latch */
-
-#define SDLA_S502_STS 0x00 /* status reg for 502, 502E, 507 */
-#define SDLA_S508_GNRL 0x00 /* general purp. reg for 508 */
-#define SDLA_S508_STS 0x01 /* status reg for 508 */
-#define SDLA_S508_IDR 0x02 /* ID reg for 508 */
-
-/* control register flags */
-#define SDLA_S502A_START 0x00 /* start the CPU */
-#define SDLA_S502A_INTREQ 0x02
-#define SDLA_S502A_INTEN 0x04
-#define SDLA_S502A_HALT 0x08 /* halt the CPU */
-#define SDLA_S502A_NMI 0x10 /* issue an NMI to the CPU */
-
-#define SDLA_S502E_CPUEN 0x01
-#define SDLA_S502E_ENABLE 0x02
-#define SDLA_S502E_INTACK 0x04
-
-#define SDLA_S507_ENABLE 0x01
-#define SDLA_S507_IRQ3 0x00
-#define SDLA_S507_IRQ4 0x20
-#define SDLA_S507_IRQ5 0x40
-#define SDLA_S507_IRQ7 0x60
-#define SDLA_S507_IRQ10 0x80
-#define SDLA_S507_IRQ11 0xA0
-#define SDLA_S507_IRQ12 0xC0
-#define SDLA_S507_IRQ15 0xE0
-
-#define SDLA_HALT 0x00
-#define SDLA_CPUEN 0x02
-#define SDLA_MEMEN 0x04
-#define SDLA_S507_EPROMWR 0x08
-#define SDLA_S507_EPROMCLK 0x10
-#define SDLA_S508_INTRQ 0x08
-#define SDLA_S508_INTEN 0x10
-
-struct sdla_cmd {
- char opp_flag;
- char cmd;
- short length;
- char retval;
- short dlci;
- char flags;
- short rxlost_int;
- long rxlost_app;
- char reserve[2];
- char data[SDLA_MAX_DATA]; /* transfer data buffer */
-} __attribute__((packed));
-
-struct intr_info {
- char flags;
- short txlen;
- char irq;
- char flags2;
- short timeout;
-} __attribute__((packed));
-
-/* found in the 508's control window at RXBUF_INFO */
-struct buf_info {
- unsigned short rse_num;
- unsigned long rse_base;
- unsigned long rse_next;
- unsigned long buf_base;
- unsigned short reserved;
- unsigned long buf_top;
-} __attribute__((packed));
-
-/* structure pointed to by rse_base in RXBUF_INFO struct */
-struct buf_entry {
- char opp_flag;
- short length;
- short dlci;
- char flags;
- short timestamp;
- short reserved[2];
- long buf_addr;
-} __attribute__((packed));
-
-#endif
diff --git a/include/uapi/linux/if_frad.h b/include/uapi/linux/if_frad.h
deleted file mode 100644
index 3c6ee85f6262..000000000000
--- a/include/uapi/linux/if_frad.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
-/*
- * DLCI/FRAD Definitions for Frame Relay Access Devices. DLCI devices are
- * created for each DLCI associated with a FRAD. The FRAD driver
- * is not truly a network device, but the lower level device
- * handler. This allows other FRAD manufacturers to use the DLCI
- * code, including its RFC1490 encapsulation alongside the current
- * implementation for the Sangoma cards.
- *
- * Version: @(#)if_ifrad.h 0.15 31 Mar 96
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- * 0.15 Mike McLagan changed structure defs (packed)
- * re-arranged flags
- * added DLCI_RET vars
- *
- * 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.
- */
-
-#ifndef _UAPI_FRAD_H_
-#define _UAPI_FRAD_H_
-
-#include <linux/if.h>
-
-/* Structures and constants associated with the DLCI device driver */
-
-struct dlci_add
-{
- char devname[IFNAMSIZ];
- short dlci;
-};
-
-#define DLCI_GET_CONF (SIOCDEVPRIVATE + 2)
-#define DLCI_SET_CONF (SIOCDEVPRIVATE + 3)
-
-/*
- * These are related to the Sangoma SDLA and should remain in order.
- * Code within the SDLA module is based on the specifics of this
- * structure. Change at your own peril.
- */
-struct dlci_conf {
- short flags;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
-
-/* these are part of the status read */
- short Tc_fwd;
- short Tc_bwd;
- short Tf_max;
- short Tb_max;
-
-/* add any new fields here above is a mirror of sdla_dlci_conf */
-};
-
-#define DLCI_GET_SLAVE (SIOCDEVPRIVATE + 4)
-
-/* configuration flags for DLCI */
-#define DLCI_IGNORE_CIR_OUT 0x0001
-#define DLCI_ACCOUNT_CIR_IN 0x0002
-#define DLCI_BUFFER_IF 0x0008
-
-#define DLCI_VALID_FLAGS 0x000B
-
-/* defines for the actual Frame Relay hardware */
-#define FRAD_GET_CONF (SIOCDEVPRIVATE)
-#define FRAD_SET_CONF (SIOCDEVPRIVATE + 1)
-
-#define FRAD_LAST_IOCTL FRAD_SET_CONF
-
-/*
- * Based on the setup for the Sangoma SDLA. If changes are
- * necessary to this structure, a routine will need to be
- * added to that module to copy fields.
- */
-struct frad_conf
-{
- short station;
- short flags;
- short kbaud;
- short clocking;
- short mtu;
- short T391;
- short T392;
- short N391;
- short N392;
- short N393;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
-
-/* Add new fields here, above is a mirror of the sdla_conf */
-
-};
-
-#define FRAD_STATION_CPE 0x0000
-#define FRAD_STATION_NODE 0x0001
-
-#define FRAD_TX_IGNORE_CIR 0x0001
-#define FRAD_RX_ACCOUNT_CIR 0x0002
-#define FRAD_DROP_ABORTED 0x0004
-#define FRAD_BUFFERIF 0x0008
-#define FRAD_STATS 0x0010
-#define FRAD_MCI 0x0100
-#define FRAD_AUTODLCI 0x8000
-#define FRAD_VALID_FLAGS 0x811F
-
-#define FRAD_CLOCK_INT 0x0001
-#define FRAD_CLOCK_EXT 0x0000
-
-
-#endif /* _UAPI_FRAD_H_ */
diff --git a/include/uapi/linux/sdla.h b/include/uapi/linux/sdla.h
deleted file mode 100644
index 1e3735be6511..000000000000
--- a/include/uapi/linux/sdla.h
+++ /dev/null
@@ -1,117 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
-/*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Global definitions for the Frame relay interface.
- *
- * Version: @(#)if_ifrad.h 0.20 13 Apr 96
- *
- * Author: Mike McLagan <mike.mclagan@xxxxxxxxx>
- *
- * Changes:
- * 0.15 Mike McLagan Structure packing
- *
- * 0.20 Mike McLagan New flags for S508 buffer handling
- *
- * 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.
- */
-
-#ifndef _UAPISDLA_H
-#define _UAPISDLA_H
-
-/* adapter type */
-#define SDLA_TYPES
-#define SDLA_S502A 5020
-#define SDLA_S502E 5021
-#define SDLA_S503 5030
-#define SDLA_S507 5070
-#define SDLA_S508 5080
-#define SDLA_S509 5090
-#define SDLA_UNKNOWN -1
-
-/* port selection flags for the S508 */
-#define SDLA_S508_PORT_V35 0x00
-#define SDLA_S508_PORT_RS232 0x02
-
-/* Z80 CPU speeds */
-#define SDLA_CPU_3M 0x00
-#define SDLA_CPU_5M 0x01
-#define SDLA_CPU_7M 0x02
-#define SDLA_CPU_8M 0x03
-#define SDLA_CPU_10M 0x04
-#define SDLA_CPU_16M 0x05
-#define SDLA_CPU_12M 0x06
-
-/* some private IOCTLs */
-#define SDLA_IDENTIFY (FRAD_LAST_IOCTL + 1)
-#define SDLA_CPUSPEED (FRAD_LAST_IOCTL + 2)
-#define SDLA_PROTOCOL (FRAD_LAST_IOCTL + 3)
-
-#define SDLA_CLEARMEM (FRAD_LAST_IOCTL + 4)
-#define SDLA_WRITEMEM (FRAD_LAST_IOCTL + 5)
-#define SDLA_READMEM (FRAD_LAST_IOCTL + 6)
-
-struct sdla_mem {
- int addr;
- int len;
- void __user *data;
-};
-
-#define SDLA_START (FRAD_LAST_IOCTL + 7)
-#define SDLA_STOP (FRAD_LAST_IOCTL + 8)
-
-/* some offsets in the Z80's memory space */
-#define SDLA_NMIADDR 0x0000
-#define SDLA_CONF_ADDR 0x0010
-#define SDLA_S502A_NMIADDR 0x0066
-#define SDLA_CODE_BASEADDR 0x0100
-#define SDLA_WINDOW_SIZE 0x2000
-#define SDLA_ADDR_MASK 0x1FFF
-
-/* largest handleable block of data */
-#define SDLA_MAX_DATA 4080
-#define SDLA_MAX_MTU 4072 /* MAX_DATA - sizeof(fradhdr) */
-#define SDLA_MAX_DLCI 24
-
-/* this should be the same as frad_conf */
-struct sdla_conf {
- short station;
- short config;
- short kbaud;
- short clocking;
- short max_frm;
- short T391;
- short T392;
- short N391;
- short N392;
- short N393;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
-};
-
-/* this should be the same as dlci_conf */
-struct sdla_dlci_conf {
- short config;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
- short Tc_fwd;
- short Tc_bwd;
- short Tf_max;
- short Tb_max;
-};
-
-
-#endif /* _UAPISDLA_H */
diff --git a/net/socket.c b/net/socket.c
index 6e6cccc2104f..152b1dcf93c6 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -64,7 +64,6 @@
#include <linux/seq_file.h>
#include <linux/mutex.h>
#include <linux/if_bridge.h>
-#include <linux/if_frad.h>
#include <linux/if_vlan.h>
#include <linux/ptp_classify.h>
#include <linux/init.h>
@@ -1027,17 +1026,6 @@ void vlan_ioctl_set(int (*hook) (struct net *, void __user *))
}
EXPORT_SYMBOL(vlan_ioctl_set);
-static DEFINE_MUTEX(dlci_ioctl_mutex);
-static int (*dlci_ioctl_hook) (unsigned int, void __user *);
-
-void dlci_ioctl_set(int (*hook) (unsigned int, void __user *))
-{
- mutex_lock(&dlci_ioctl_mutex);
- dlci_ioctl_hook = hook;
- mutex_unlock(&dlci_ioctl_mutex);
-}
-EXPORT_SYMBOL(dlci_ioctl_set);
-
static long sock_do_ioctl(struct net *net, struct socket *sock,
unsigned int cmd, unsigned long arg)
{
@@ -1156,17 +1144,6 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
err = vlan_ioctl_hook(net, argp);
mutex_unlock(&vlan_ioctl_mutex);
break;
- case SIOCADDDLCI:
- case SIOCDELDLCI:
- err = -ENOPKG;
- if (!dlci_ioctl_hook)
- request_module("dlci");
-
- mutex_lock(&dlci_ioctl_mutex);
- if (dlci_ioctl_hook)
- err = dlci_ioctl_hook(cmd, argp);
- mutex_unlock(&dlci_ioctl_mutex);
- break;
case SIOCGSKNS:
err = -EPERM;
if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
@@ -3427,8 +3404,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
case SIOCBRDELBR:
case SIOCGIFVLAN:
case SIOCSIFVLAN:
- case SIOCADDDLCI:
- case SIOCDELDLCI:
case SIOCGSKNS:
case SIOCGSTAMP_NEW:
case SIOCGSTAMPNS_NEW:
--
2.27.0