Skip to content

L
linux
Commit 223a0d0b authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files
Options

o wan/cycx: remove unneeded ioctl stub and fix namespace

parent 630cfa38
Hide whitespace changes
Inline Side-by-side
Showing with 255 additions and 240 deletions
drivers/net/wan/cycx_main.c
View file @ 223a0d0b
......@@ -13,6 +13,10 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
* ============================================================================
* Please look at the bitkeeper changelog (or any other scm tool that ends up
* importing bitkeeper changelog or that replaces bitkeeper in the future as
* main tool for linux development).
*
* 2001/05/09 acme Fix MODULE_DESC for debug, .bss nitpicks,
* some cleanups
* 2000/07/13 acme remove useless #ifdef MODULE and crap
......@@ -46,11 +50,8 @@
#include <linux/ioport.h> /* request_region(), release_region() */
#include <linux/wanrouter.h> /* WAN router definitions */
#include <linux/cyclomx.h> /* cyclomx common user API definitions */
#include <asm/uaccess.h> /* kernel <-> user copy */
#include <linux/init.h> /* __init (when not using as a module) */
/* Debug */
unsigned int cycx_debug;
MODULE_AUTHOR("Arnaldo Carvalho de Melo");
......@@ -61,18 +62,17 @@ MODULE_PARM_DESC(cycx_debug, "cyclomx debug level");
/* Defines & Macros */
#define DRV_VERSION 0 /* version number */
#define DRV_RELEASE 10 /* release (minor version) number */
#define MAX_CARDS 1 /* max number of adapters */
#define CYCX_DRV_VERSION 0 /* version number */
#define CYCX_DRV_RELEASE 11 /* release (minor version) number */
#define CYCX_MAX_CARDS 1 /* max number of adapters */
#define CONFIG_CYCLOMX_CARDS 1
#define CONFIG_CYCX_CARDS 1
/* Function Prototypes */
/* WAN link driver entry points */
static int setup(struct wan_device *wandev, wandev_conf_t *conf);
static int shutdown(struct wan_device *wandev);
static int ioctl(struct wan_device *wandev, unsigned cmd, unsigned long arg);
static int cycx_wan_setup(struct wan_device *wandev, wandev_conf_t *conf);
static int cycx_wan_shutdown(struct wan_device *wandev);
/* Miscellaneous functions */
static irqreturn_t cycx_isr(int irq, void *dev_id, struct pt_regs *regs);
......@@ -82,12 +82,12 @@ static irqreturn_t cycx_isr(int irq, void *dev_id, struct pt_regs *regs);
*/
/* private data */
static char drvname[] = "cyclomx";
static char fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
static char copyright[] = "(c) 1998-2001 Arnaldo Carvalho de Melo "
static char cycx_drvname[] = "cyclomx";
static char cycx_fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
static char cycx_copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
"<acme@conectiva.com.br>";
static int ncards = CONFIG_CYCLOMX_CARDS;
static struct cycx_device *card_array; /* adapter data space */
static int cycx_ncards = CONFIG_CYCX_CARDS;
static struct cycx_device *cycx_card_array; /* adapter data space */
/* Kernel Loadable Module Entry Points */
......@@ -103,51 +103,52 @@ static struct cycx_device *card_array; /* adapter data space */
* < 0 error.
* Context: process
*/
int __init cyclomx_init(void)
int __init cycx_init(void)
{
int cnt, err = -ENOMEM;
printk(KERN_INFO "%s v%u.%u %s\n",
fullname, DRV_VERSION, DRV_RELEASE, copyright);
cycx_fullname, CYCX_DRV_VERSION, CYCX_DRV_RELEASE,
cycx_copyright);
/* Verify number of cards and allocate adapter data space */
ncards = min_t(int, ncards, MAX_CARDS);
ncards = max_t(int, ncards, 1);
card_array = kmalloc(sizeof(struct cycx_device) * ncards, GFP_KERNEL);
if (!card_array)
cycx_ncards = min_t(int, cycx_ncards, CYCX_MAX_CARDS);
cycx_ncards = max_t(int, cycx_ncards, 1);
cycx_card_array = kmalloc(sizeof(struct cycx_device) * cycx_ncards,
GFP_KERNEL);
if (!cycx_card_array)
goto out;
memset(card_array, 0, sizeof(struct cycx_device) * ncards);
memset(cycx_card_array, 0, sizeof(struct cycx_device) * cycx_ncards);
/* Register adapters with WAN router */
for (cnt = 0; cnt < ncards; ++cnt) {
struct cycx_device *card = &card_array[cnt];
for (cnt = 0; cnt < cycx_ncards; ++cnt) {
struct cycx_device *card = &cycx_card_array[cnt];
struct wan_device *wandev = &card->wandev;
sprintf(card->devname, "%s%d", drvname, cnt + 1);
sprintf(card->devname, "%s%d", cycx_drvname, cnt + 1);
wandev->magic = ROUTER_MAGIC;
wandev->name = card->devname;
wandev->private = card;
wandev->setup = setup;
wandev->shutdown = shutdown;
wandev->ioctl = ioctl;
wandev->setup = cycx_wan_setup;
wandev->shutdown = cycx_wan_shutdown;
err = register_wan_device(wandev);
if (err) {
printk(KERN_ERR "%s: %s registration failed with "
"error %d!\n",
drvname, card->devname, err);
cycx_drvname, card->devname, err);
break;
}
}
err = -ENODEV;
if (!cnt) {
kfree(card_array);
kfree(cycx_card_array);
goto out;
}
err = 0;
ncards = cnt; /* adjust actual number of cards */
cycx_ncards = cnt; /* adjust actual number of cards */
out: return err;
}
......@@ -156,16 +157,16 @@ out: return err;
* o unregister all adapters from the WAN router
* o release all remaining system resources
*/
static void __exit cyclomx_cleanup(void)
static void __exit cycx_exit(void)
{
int i = 0;
for (; i < ncards; ++i) {
struct cycx_device *card = &card_array[i];
for (; i < cycx_ncards; ++i) {
struct cycx_device *card = &cycx_card_array[i];
unregister_wan_device(card->devname);
}
kfree(card_array);
kfree(cycx_card_array);
}
/* WAN Device Driver Entry Points */
......@@ -181,9 +182,9 @@ static void __exit cyclomx_cleanup(void)
* configuration structure is in kernel memory (including extended data, if
* any).
*/
static int setup(struct wan_device *wandev, wandev_conf_t *conf)
static int cycx_wan_setup(struct wan_device *wandev, wandev_conf_t *conf)
{
int err = -EFAULT;
int rc = -EFAULT;
struct cycx_device *card;
int irq;
......@@ -193,11 +194,11 @@ static int setup(struct wan_device *wandev, wandev_conf_t *conf)
goto out;
card = wandev->private;
err = -EBUSY;
rc = -EBUSY;
if (wandev->state != WAN_UNCONFIGURED)
goto out;
err = -EINVAL;
rc = -EINVAL;
if (!conf->data_size || !conf->data) {
printk(KERN_ERR "%s: firmware not found in configuration "
"data!\n", wandev->name);
......@@ -228,8 +229,8 @@ static int setup(struct wan_device *wandev, wandev_conf_t *conf)
card->lock = SPIN_LOCK_UNLOCKED;
init_waitqueue_head(&card->wait_stats);
err = cycx_setup(&card->hw, conf->data, conf->data_size);
if (err)
rc = cycx_setup(&card->hw, conf->data, conf->data_size);
if (rc)
goto out_irq;
/* Initialize WAN device data space */
......@@ -244,22 +245,23 @@ static int setup(struct wan_device *wandev, wandev_conf_t *conf)
switch (card->hw.fwid) {
#ifdef CONFIG_CYCLOMX_X25
case CFID_X25_2X:
err = cyx_init(card, conf);
rc = cycx_x25_wan_init(card, conf);
break;
#endif
default:
printk(KERN_ERR "%s: this firmware is not supported!\n",
wandev->name);
err = -EINVAL;
rc = -EINVAL;
}
if (err) {
if (rc) {
cycx_down(&card->hw);
goto out_irq;
}
err = 0;
out: return err;
rc = 0;
out:
return rc;
out_irq:
free_irq(irq, card);
goto out;
......@@ -273,7 +275,7 @@ out: return err;
* This function is called by the router when device is being unregistered or
* when it handles ROUTER_DOWN IOCTL.
*/
static int shutdown(struct wan_device *wandev)
static int cycx_wan_shutdown(struct wan_device *wandev)
{
int ret = -EFAULT;
struct cycx_device *card;
......@@ -295,21 +297,6 @@ static int shutdown(struct wan_device *wandev)
out: return ret;
}
/*
* Driver I/O control.
* o verify arguments
* o perform requested action
*
* This function is called when router handles one of the reserved user
* IOCTLs. Note that 'arg' still points to user address space.
*
* no reserved ioctls for the cyclom 2x up to now
*/
static int ioctl(struct wan_device *wandev, unsigned cmd, unsigned long arg)
{
return -EINVAL;
}
/* Miscellaneous */
/*
* Cyclom 2X Interrupt Service Routine.
......@@ -332,11 +319,12 @@ static irqreturn_t cycx_isr(int irq, void *dev_id, struct pt_regs *regs)
if (card->isr)
card->isr(card);
return IRQ_HANDLED;
out: return IRQ_NONE;
out:
return IRQ_NONE;
}
/* Set WAN device state. */
void cyclomx_set_state(struct cycx_device *card, int state)
void cycx_set_state(struct cycx_device *card, int state)
{
unsigned long flags;
char *string_state = NULL;
......@@ -360,5 +348,5 @@ void cyclomx_set_state(struct cycx_device *card, int state)
spin_unlock_irqrestore(&card->lock, flags);
}
module_init(cyclomx_init);
module_exit(cyclomx_cleanup);
module_init(cycx_init);
module_exit(cycx_exit);
drivers/net/wan/cycx_x25.c
View file @ 223a0d0b
......@@ -94,8 +94,8 @@
#include <linux/cycx_x25.h> /* X.25 firmware API definitions */
/* Defines & Macros */
#define MAX_CMD_RETRY 5
#define X25_CHAN_MTU 2048 /* unfragmented logical channel MTU */
#define CYCX_X25_MAX_CMD_RETRY 5
#define CYCX_X25_CHAN_MTU 2048 /* unfragmented logical channel MTU */
/* Data Structures */
/* This is an extension of the 'struct net_device' we create for each network
......@@ -123,56 +123,65 @@ struct cycx_x25_channel {
/* Function Prototypes */
/* WAN link driver entry points. These are called by the WAN router module. */
static int update(struct wan_device *wandev),
new_if(struct wan_device *wandev, struct net_device *dev,
wanif_conf_t *conf),
del_if(struct wan_device *wandev, struct net_device *dev);
static int cycx_wan_update(struct wan_device *wandev),
cycx_wan_new_if(struct wan_device *wandev, struct net_device *dev,
wanif_conf_t *conf),
cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev);
/* Network device interface */
static int if_init(struct net_device *dev),
if_open(struct net_device *dev),
if_close(struct net_device *dev),
if_header(struct sk_buff *skb, struct net_device *dev,
u16 type, void *daddr, void *saddr, unsigned len),
if_rebuild_hdr(struct sk_buff *skb),
if_send(struct sk_buff *skb, struct net_device *dev);
static struct net_device_stats *if_stats(struct net_device *dev);
static int cycx_netdevice_init(struct net_device *dev),
cycx_netdevice_open(struct net_device *dev),
cycx_netdevice_stop(struct net_device *dev),
cycx_netdevice_hard_header(struct sk_buff *skb,
struct net_device *dev, u16 type,
void *daddr, void *saddr, unsigned len),
cycx_netdevice_rebuild_header(struct sk_buff *skb),
cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev);
static struct net_device_stats *
cycx_netdevice_get_stats(struct net_device *dev);
/* Interrupt handlers */
static void cyx_isr(struct cycx_device *card),
tx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
rx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
log_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
stat_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
connect_confirm_intr(struct cycx_device *card,
static void cycx_x25_irq_handler(struct cycx_device *card),
cycx_x25_irq_tx(struct cycx_device *card, struct cycx_x25_cmd *cmd),
cycx_x25_irq_rx(struct cycx_device *card, struct cycx_x25_cmd *cmd),
cycx_x25_irq_log(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
cycx_x25_irq_stat(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
cycx_x25_irq_connect_confirm(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
cycx_x25_irq_disconnect_confirm(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
cycx_x25_irq_connect(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
disconnect_confirm_intr(struct cycx_device *card,
cycx_x25_irq_disconnect(struct cycx_device *card,
struct cycx_x25_cmd *cmd),
connect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
disconnect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd),
spur_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd);
cycx_x25_irq_spurious(struct cycx_device *card,
struct cycx_x25_cmd *cmd);
/* X.25 firmware interface functions */
static int x25_configure(struct cycx_device *card,
struct cycx_x25_config *conf),
x25_get_stats(struct cycx_device *card),
x25_send(struct cycx_device *card, u8 link, u8 lcn, u8 bitm, int len,
void *buf),
x25_connect_response(struct cycx_device *card,
static int cycx_x25_configure(struct cycx_device *card,
struct cycx_x25_config *conf),
cycx_x25_get_stats(struct cycx_device *card),
cycx_x25_send(struct cycx_device *card, u8 link, u8 lcn, u8 bitm,
int len, void *buf),
cycx_x25_connect_response(struct cycx_device *card,
struct cycx_x25_channel *chan),
x25_disconnect_response(struct cycx_device *card, u8 link, u8 lcn);
cycx_x25_disconnect_response(struct cycx_device *card, u8 link,
u8 lcn);
/* channel functions */
static int chan_connect(struct net_device *dev),
chan_send(struct net_device *dev, struct sk_buff *skb);
static int cycx_x25_chan_connect(struct net_device *dev),
cycx_x25_chan_send(struct net_device *dev, struct sk_buff *skb);
static void chan_disconnect(struct net_device *dev),
chan_x25_send_event(struct net_device *dev, u8 event);
static void cycx_x25_chan_disconnect(struct net_device *dev),
cycx_x25_chan_send_event(struct net_device *dev, u8 event);
/* Miscellaneous functions */
static void set_chan_state(struct net_device *dev, u8 state),
chan_timer(unsigned long d);
static void cycx_x25_set_chan_state(struct net_device *dev, u8 state),
cycx_x25_chan_timer(unsigned long d);
static void nibble_to_byte(u8 *s, u8 *d, u8 len, u8 nibble),
reset_timer(struct net_device *dev);
......@@ -182,20 +191,21 @@ static u8 log2(u32 n);
static unsigned dec_to_uint(u8 *str, int len);
static struct net_device *get_dev_by_lcn(struct wan_device *wandev, s16 lcn);
static struct net_device *get_dev_by_dte_addr(struct wan_device *wandev,
char *dte);
static struct net_device *cycx_x25_get_dev_by_lcn(struct wan_device *wandev,
s16 lcn);
static struct net_device *
cycx_x25_get_dev_by_dte_addr(struct wan_device *wandev, char *dte);
#ifdef CYCLOMX_X25_DEBUG
static void hex_dump(char *msg, unsigned char *p, int len);
static void x25_dump_config(struct cycx_x25_config *conf);
static void x25_dump_stats(struct cycx_x25_stats *stats);
static void x25_dump_devs(struct wan_device *wandev);
static void cycx_x25_dump_config(struct cycx_x25_config *conf);
static void cycx_x25_dump_stats(struct cycx_x25_stats *stats);
static void cycx_x25_dump_devs(struct wan_device *wandev);
#else
#define hex_dump(msg, p, len)
#define x25_dump_config(conf)
#define x25_dump_stats(stats)
#define x25_dump_devs(wandev)
#define cycx_x25_dump_config(conf)
#define cycx_x25_dump_stats(stats)
#define cycx_x25_dump_devs(wandev)
#endif
/* Public Functions */
......@@ -208,7 +218,7 @@ static void x25_dump_devs(struct wan_device *wandev);
*
* Return: 0 o.k.
* < 0 failure. */
int cyx_init(struct cycx_device *card, wandev_conf_t *conf)
int cycx_x25_wan_init(struct cycx_device *card, wandev_conf_t *conf)
{
struct cycx_x25_config cfg;
......@@ -306,7 +316,7 @@ int cyx_init(struct cycx_device *card, wandev_conf_t *conf)
cfg.n2 = min_t(unsigned int, conf->u.x25.n2, 30);
/* initialize adapter */
if (x25_configure(card, &cfg))
if (cycx_x25_configure(card, &cfg))
return -EIO;
/* Initialize protocol-specific fields of adapter data space */
......@@ -314,11 +324,11 @@ int cyx_init(struct cycx_device *card, wandev_conf_t *conf)
card->wandev.interface = conf->interface;
card->wandev.clocking = conf->clocking;
card->wandev.station = conf->station;
card->isr = cyx_isr;
card->isr = cycx_x25_irq_handler;
card->exec = NULL;
card->wandev.update = update;
card->wandev.new_if = new_if;
card->wandev.del_if = del_if;
card->wandev.update = cycx_wan_update;
card->wandev.new_if = cycx_wan_new_if;
card->wandev.del_if = cycx_wan_del_if;
card->wandev.state = WAN_DISCONNECTED;
return 0;
......@@ -326,7 +336,7 @@ int cyx_init(struct cycx_device *card, wandev_conf_t *conf)
/* WAN Device Driver Entry Points */
/* Update device status & statistics. */
static int update(struct wan_device *wandev)
static int cycx_wan_update(struct wan_device *wandev)
{
/* sanity checks */
if (!wandev || !wandev->private)
......@@ -335,7 +345,7 @@ static int update(struct wan_device *wandev)
if (wandev->state == WAN_UNCONFIGURED)
return -ENODEV;
x25_get_stats(wandev->private);
cycx_x25_get_stats(wandev->private);
return 0;
}
......@@ -350,8 +360,8 @@ static int update(struct wan_device *wandev)
*
* Return: 0 o.k.
* < 0 failure (channel will not be created) */
static int new_if(struct wan_device *wandev, struct net_device *dev,
wanif_conf_t *conf)
static int cycx_wan_new_if(struct wan_device *wandev, struct net_device *dev,
wanif_conf_t *conf)
{
struct cycx_device *card = wandev->private;
struct cycx_x25_channel *chan;
......@@ -402,8 +412,8 @@ static int new_if(struct wan_device *wandev, struct net_device *dev,
chan->svc = 1;
strncpy(chan->addr, &conf->addr[1], WAN_ADDRESS_SZ);
init_timer(&chan->timer);
chan->timer.function = chan_timer;
chan->timer.data = (unsigned long)dev;
chan->timer.function = cycx_x25_chan_timer;
chan->timer.data = (unsigned long)dev;
/* Set channel timeouts (default if not specified) */
chan->idle_tmout = conf->idle_timeout ? conf->idle_timeout : 90;
......@@ -434,14 +444,14 @@ static int new_if(struct wan_device *wandev, struct net_device *dev,
/* prepare network device data space for registration */
strcpy(dev->name, chan->name);
dev->init = if_init;
dev->init = cycx_netdevice_init;
dev->priv = chan;
return 0;
}
/* Delete logical channel. */
static int del_if(struct wan_device *wandev, struct net_device *dev)
static int cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev)
{
if (dev->priv) {
struct cycx_x25_channel *chan = dev->priv;
......@@ -467,43 +477,44 @@ static int del_if(struct wan_device *wandev, struct net_device *dev)
* This routine is called only once for each interface, during Linux network
* interface registration. Returning anything but zero will fail interface
* registration. */
static int if_init(struct net_device *dev)
static int cycx_netdevice_init(struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
struct cycx_device *card = chan->card;
struct wan_device *wandev = &card->wandev;
/* Initialize device driver entry points */
dev->open = if_open;
dev->stop = if_close;
dev->hard_header = if_header;
dev->rebuild_header = if_rebuild_hdr;
dev->hard_start_xmit = if_send;
dev->get_stats = if_stats;
dev->open = cycx_netdevice_open;
dev->stop = cycx_netdevice_stop;
dev->hard_header = cycx_netdevice_hard_header;
dev->rebuild_header = cycx_netdevice_rebuild_header;
dev->hard_start_xmit = cycx_netdevice_hard_start_xmit;
dev->get_stats = cycx_netdevice_get_stats;
/* Initialize media-specific parameters */
dev->mtu = X25_CHAN_MTU;
dev->type = ARPHRD_HWX25; /* ARP h/w type */
dev->hard_header_len = 0; /* media header length */
dev->addr_len = 0; /* hardware address length */
dev->mtu = CYCX_X25_CHAN_MTU;
dev->type = ARPHRD_HWX25; /* ARP h/w type */
dev->hard_header_len = 0; /* media header length */
dev->addr_len = 0; /* hardware address length */
if (!chan->svc)
*(u16*)dev->dev_addr = htons(chan->lcn);
/* Initialize hardware parameters (just for reference) */
dev->irq = wandev->irq;
dev->dma = wandev->dma;
dev->base_addr = wandev->ioport;
dev->mem_start = (unsigned long)wandev->maddr;
dev->mem_end = (unsigned long)(wandev->maddr + wandev->msize - 1);
dev->flags |= IFF_NOARP;
dev->irq = wandev->irq;
dev->dma = wandev->dma;
dev->base_addr = wandev->ioport;
dev->mem_start = (unsigned long)wandev->maddr;
dev->mem_end = (unsigned long)(wandev->maddr +
wandev->msize - 1);
dev->flags |= IFF_NOARP;
/* Set transmit buffer queue length */
dev->tx_queue_len = 10;
dev->tx_queue_len = 10;
SET_MODULE_OWNER(dev);
/* Initialize socket buffers */
set_chan_state(dev, WAN_DISCONNECTED);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTED);
return 0;
}
......@@ -513,7 +524,7 @@ static int if_init(struct net_device *dev)
* o if link is disconnected then initiate connection
*
* Return 0 if O.k. or errno. */
static int if_open(struct net_device *dev)
static int cycx_netdevice_open(struct net_device *dev)
{
if (netif_running(dev))
return -EBUSY; /* only one open is allowed */
......@@ -525,14 +536,14 @@ static int if_open(struct net_device *dev)
/* Close network interface.
* o reset flags.
* o if there's no more open channels then disconnect physical link. */
static int if_close(struct net_device *dev)
static int cycx_netdevice_stop(struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
netif_stop_queue(dev);
if (chan->state == WAN_CONNECTED || chan->state == WAN_CONNECTING)
chan_disconnect(dev);
cycx_x25_chan_disconnect(dev);
return 0;
}
......@@ -545,8 +556,9 @@ static int if_close(struct net_device *dev)
* set skb->protocol to 0 and discard packet later.
*
* Return: media header length. */
static int if_header(struct sk_buff *skb, struct net_device *dev,
u16 type, void *daddr, void *saddr, unsigned len)
static int cycx_netdevice_hard_header(struct sk_buff *skb,
struct net_device *dev, u16 type,
void *daddr, void *saddr, unsigned len)
{
skb->protocol = type;
......@@ -556,7 +568,7 @@ static int if_header(struct sk_buff *skb, struct net_device *dev,
/* * Re-build media header.
* Return: 1 physical address resolved.
* 0 physical address not resolved */
static int if_rebuild_hdr(struct sk_buff *skb)
static int cycx_netdevice_rebuild_header(struct sk_buff *skb)
{
return 1;
}
......@@ -576,7 +588,8 @@ static int if_rebuild_hdr(struct sk_buff *skb)
* bottom half" (with interrupts enabled).
* 2. Setting tbusy flag will inhibit further transmit requests from the
* protocol stack and can be used for flow control with protocol layer. */
static int if_send(struct sk_buff *skb, struct net_device *dev)
static int cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
struct cycx_device *card = chan->card;
......@@ -595,7 +608,7 @@ static int if_send(struct sk_buff *skb, struct net_device *dev)
} else if (chan->protocol == ETH_P_IP) {
switch (chan->state) {
case WAN_DISCONNECTED:
if (chan_connect(dev)) {
if (cycx_x25_chan_connect(dev)) {
netif_stop_queue(dev);
return -EBUSY;
}
......@@ -605,7 +618,7 @@ static int if_send(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
netif_stop_queue(dev);
if (chan_send(dev, skb))
if (cycx_x25_chan_send(dev, skb))
return -EBUSY;
break;
......@@ -617,10 +630,10 @@ static int if_send(struct sk_buff *skb, struct net_device *dev)
switch (skb->data[0]) {
case 0: break;
case 1: /* Connect request */
chan_connect(dev);
cycx_x25_chan_connect(dev);
goto free_packet;
case 2: /* Disconnect request */
chan_disconnect(dev);
cycx_x25_chan_disconnect(dev);
goto free_packet;
default:
printk(KERN_INFO
......@@ -635,7 +648,7 @@ static int if_send(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
netif_stop_queue(dev);
if (chan_send(dev, skb)) {
if (cycx_x25_chan_send(dev, skb)) {
/* prepare for future retransmissions */
skb_push(skb, 1);
return -EBUSY;
......@@ -650,7 +663,7 @@ static int if_send(struct sk_buff *skb, struct net_device *dev)
/* Get Ethernet-style interface statistics.
* Return a pointer to struct net_device_stats */
static struct net_device_stats *if_stats(struct net_device *dev)
static struct net_device_stats *cycx_netdevice_get_stats(struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
......@@ -659,7 +672,7 @@ static struct net_device_stats *if_stats(struct net_device *dev)
/* Interrupt Handlers */
/* X.25 Interrupt Service Routine. */
static void cyx_isr(struct cycx_device *card)
static void cycx_x25_irq_handler(struct cycx_device *card)
{
struct cycx_x25_cmd cmd;
u16 z = 0;
......@@ -670,37 +683,38 @@ static void cyx_isr(struct cycx_device *card)
switch (cmd.command) {
case X25_DATA_INDICATION:
rx_intr(card, &cmd);
cycx_x25_irq_rx(card, &cmd);
break;
case X25_ACK_FROM_VC:
tx_intr(card, &cmd);
cycx_x25_irq_tx(card, &cmd);
break;
case X25_LOG:
log_intr(card, &cmd);
cycx_x25_irq_log(card, &cmd);
break;
case X25_STATISTIC:
stat_intr(card, &cmd);
cycx_x25_irq_stat(card, &cmd);
break;
case X25_CONNECT_CONFIRM:
connect_confirm_intr(card, &cmd);
cycx_x25_irq_connect_confirm(card, &cmd);
break;
case X25_CONNECT_INDICATION:
connect_intr(card, &cmd);
cycx_x25_irq_connect(card, &cmd);
break;
case X25_DISCONNECT_INDICATION:
disconnect_intr(card, &cmd);
cycx_x25_irq_disconnect(card, &cmd);
break;
case X25_DISCONNECT_CONFIRM:
disconnect_confirm_intr(card, &cmd);
cycx_x25_irq_disconnect_confirm(card, &cmd);
break;
case X25_LINE_ON:
cyclomx_set_state(card, WAN_CONNECTED);
cycx_set_state(card, WAN_CONNECTED);
break;
case X25_LINE_OFF:
cyclomx_set_state(card, WAN_DISCONNECTED);
cycx_set_state(card, WAN_DISCONNECTED);
break;
default:
spur_intr(card, &cmd); /* unwanted interrupt */
cycx_x25_irq_spurious(card, &cmd);
break;
}
cycx_poke(&card->hw, 0, &z, sizeof(z));
......@@ -711,7 +725,7 @@ static void cyx_isr(struct cycx_device *card)
/* Transmit interrupt handler.
* o Release socket buffer
* o Clear 'tbusy' flag */
static void tx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_tx(struct cycx_device *card, struct cycx_x25_cmd *cmd)
{
struct net_device *dev;
struct wan_device *wandev = &card->wandev;
......@@ -720,7 +734,8 @@ static void tx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
cycx_peek(&card->hw, cmd->buf, &lcn, sizeof(lcn));
/* unbusy device and then dev_tint(); */
if ((dev = get_dev_by_lcn(wandev, lcn)) != NULL) {
dev = cycx_x25_get_dev_by_lcn(wandev, lcn);
if (dev) {
card->buff_int_mode_unbusy = 1;
netif_wake_queue(dev);
} else
......@@ -742,7 +757,7 @@ static void tx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
* expected on this channel.
* 2. If something goes wrong and X.25 packet has to be dropped (e.g. no
* socket buffers available) the whole packet sequence must be discarded. */
static void rx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_rx(struct cycx_device *card, struct cycx_x25_cmd *cmd)
{
struct wan_device *wandev = &card->wandev;
struct net_device *dev;
......@@ -755,7 +770,8 @@ static void rx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
cycx_peek(&card->hw, cmd->buf + 4, &bitm, sizeof(bitm));
bitm &= 0x10;
if ((dev = get_dev_by_lcn(wandev, lcn)) == NULL) {
dev = cycx_x25_get_dev_by_lcn(wandev, lcn);
if (!dev) {
/* Invalid channel, discard packet */
printk(KERN_INFO "%s: receiving on orphaned LCN %d!\n",
card->devname, lcn);
......@@ -826,7 +842,8 @@ static void rx_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
}
/* Connect interrupt handler. */
static void connect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_connect(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
struct wan_device *wandev = &card->wandev;
struct net_device *dev = NULL;
......@@ -851,10 +868,11 @@ static void connect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
if (sizerem)
nibble_to_byte(d + (sizeloc >> 1), rem, sizerem, sizeloc & 1);
dprintk(1, KERN_INFO "connect_intr:lcn=%d, local=%s, remote=%s\n",
lcn, loc, rem);
dprintk(1, KERN_INFO "%s:lcn=%d, local=%s, remote=%s\n",
__FUNCTION__, lcn, loc, rem);
if ((dev = get_dev_by_dte_addr(wandev, rem)) == NULL) {
dev = cycx_x25_get_dev_by_dte_addr(wandev, rem);
if (!dev) {
/* Invalid channel, discard packet */
printk(KERN_INFO "%s: connect not expected: remote %s!\n",
card->devname, rem);
......@@ -863,13 +881,13 @@ static void connect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
chan = dev->priv;
chan->lcn = lcn;
x25_connect_response(card, chan);
set_chan_state(dev, WAN_CONNECTED);
cycx_x25_connect_response(card, chan);
cycx_x25_set_chan_state(dev, WAN_CONNECTED);
}
/* Connect confirm interrupt handler. */
static void connect_confirm_intr(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_connect_confirm(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
struct wan_device *wandev = &card->wandev;
struct net_device *dev;
......@@ -878,10 +896,11 @@ static void connect_confirm_intr(struct cycx_device *card,
cycx_peek(&card->hw, cmd->buf, &lcn, sizeof(lcn));
cycx_peek(&card->hw, cmd->buf + 1, &key, sizeof(key));
dprintk(1, KERN_INFO "%s: connect_confirm_intr:lcn=%d, key=%d\n",
card->devname, lcn, key);
dprintk(1, KERN_INFO "%s: %s:lcn=%d, key=%d\n",
card->devname, __FUNCTION__, lcn, key);
if ((dev = get_dev_by_lcn(wandev, -key)) == NULL) {
dev = cycx_x25_get_dev_by_lcn(wandev, -key);
if (!dev) {
/* Invalid channel, discard packet */
clear_bit(--key, (void*)&card->u.x.connection_keys);
printk(KERN_INFO "%s: connect confirm not expected: lcn %d, "
......@@ -892,51 +911,54 @@ static void connect_confirm_intr(struct cycx_device *card,
clear_bit(--key, (void*)&card->u.x.connection_keys);
chan = dev->priv;
chan->lcn = lcn;
set_chan_state(dev, WAN_CONNECTED);
cycx_x25_set_chan_state(dev, WAN_CONNECTED);
}
/* Disconnect confirm interrupt handler. */
static void disconnect_confirm_intr(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_disconnect_confirm(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
struct wan_device *wandev = &card->wandev;
struct net_device *dev;
u8 lcn;
cycx_peek(&card->hw, cmd->buf, &lcn, sizeof(lcn));
dprintk(1, KERN_INFO "%s: disconnect_confirm_intr:lcn=%d\n",
card->devname, lcn);
if ((dev = get_dev_by_lcn(wandev, lcn)) == NULL) {
dprintk(1, KERN_INFO "%s: %s:lcn=%d\n",
card->devname, __FUNCTION__, lcn);
dev = cycx_x25_get_dev_by_lcn(wandev, lcn);
if (!dev) {
/* Invalid channel, discard packet */
printk(KERN_INFO "%s:disconnect confirm not expected!:lcn %d\n",
card->devname, lcn);
return;
}
set_chan_state(dev, WAN_DISCONNECTED);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTED);
}
/* disconnect interrupt handler. */
static void disconnect_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_disconnect(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
struct wan_device *wandev = &card->wandev;
struct net_device *dev;
u8 lcn;
cycx_peek(&card->hw, cmd->buf, &lcn, sizeof(lcn));
dprintk(1, KERN_INFO "disconnect_intr:lcn=%d\n", lcn);
dprintk(1, KERN_INFO "%s:lcn=%d\n", __FUNCTION__, lcn);
if ((dev = get_dev_by_lcn(wandev, lcn)) != NULL) {
dev = cycx_x25_get_dev_by_lcn(wandev, lcn);
if (dev) {
struct cycx_x25_channel *chan = dev->priv;
x25_disconnect_response(card, chan->link, lcn);
set_chan_state(dev, WAN_DISCONNECTED);
cycx_x25_disconnect_response(card, chan->link, lcn);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTED);
} else
x25_disconnect_response(card, 0, lcn);
cycx_x25_disconnect_response(card, 0, lcn);
}
/* LOG interrupt handler. */
static void log_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_log(struct cycx_device *card, struct cycx_x25_cmd *cmd)
{
#if CYCLOMX_X25_DEBUG
char bf[20];
......@@ -952,7 +974,7 @@ static void log_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
cycx_peek(&card->hw, cmd->buf + 10 + toread, &code, 1);
cycx_peek(&card->hw, cmd->buf + 10 + toread + 1, &routine, 1);
printk(KERN_INFO "cyx_isr: X25_LOG (0x4500) indic.:\n");
printk(KERN_INFO "cycx_x25_irq_handler: X25_LOG (0x4500) indic.:\n");
printk(KERN_INFO "cmd->buf=0x%X\n", cmd->buf);
printk(KERN_INFO "Log message code=0x%X\n", msg_code);
printk(KERN_INFO "Link=%d\n", link);
......@@ -964,20 +986,22 @@ static void log_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
}
/* STATISTIC interrupt handler. */
static void stat_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_stat(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
cycx_peek(&card->hw, cmd->buf, &card->u.x.stats,
sizeof(card->u.x.stats));
hex_dump("stat_intr", (unsigned char*)&card->u.x.stats,
hex_dump("cycx_x25_irq_stat", (unsigned char*)&card->u.x.stats,
sizeof(card->u.x.stats));
x25_dump_stats(&card->u.x.stats);
cycx_x25_dump_stats(&card->u.x.stats);
wake_up_interruptible(&card->wait_stats);
}
/* Spurious interrupt handler.
* o print a warning
* If number of spurious interrupts exceeded some limit, then ??? */
static void spur_intr(struct cycx_device *card, struct cycx_x25_cmd *cmd)
static void cycx_x25_irq_spurious(struct cycx_device *card,
struct cycx_x25_cmd *cmd)
{
printk(KERN_INFO "%s: spurious interrupt (0x%X)!\n",
card->devname, cmd->command);
......@@ -1008,7 +1032,7 @@ static int x25_exec(struct cycx_device *card, int command, int link,
struct cycx_x25_cmd c;
unsigned long flags;
u32 addr = 0x1200 + 0x2E0 * link + 0x1E2;
u8 retry = MAX_CMD_RETRY;
u8 retry = CYCX_X25_MAX_CMD_RETRY;
int err = 0;
c.command = command;
......@@ -1050,7 +1074,8 @@ static int x25_exec(struct cycx_device *card, int command, int link,
}
/* Configure adapter. */
static int x25_configure(struct cycx_device *card, struct cycx_x25_config *conf)
static int cycx_x25_configure(struct cycx_device *card,
struct cycx_x25_config *conf)
{
struct {
u16 nlinks;
......@@ -1071,15 +1096,15 @@ static int x25_configure(struct cycx_device *card, struct cycx_x25_config *conf)
x25_cmd_conf.conf[1].clock = 8;
x25_cmd_conf.conf[1].flags = 0; /* default = RS232 */
x25_dump_config(&x25_cmd_conf.conf[0]);
x25_dump_config(&x25_cmd_conf.conf[1]);
cycx_x25_dump_config(&x25_cmd_conf.conf[0]);
cycx_x25_dump_config(&x25_cmd_conf.conf[1]);
return x25_exec(card, X25_CONFIG, 0,
&x25_cmd_conf, sizeof(x25_cmd_conf), NULL, 0);
}
/* Get protocol statistics. */
static int x25_get_stats(struct cycx_device *card)
static int cycx_x25_get_stats(struct cycx_device *card)
{
/* the firmware expects 20 in the size field!!!
thanks to Daniela */
......@@ -1107,7 +1132,7 @@ static int x25_get_stats(struct cycx_device *card)
card->wandev.stats.collisions = 0; /* not available from fw */
card->wandev.stats.tx_errors = 0; /* not available from fw */
x25_dump_devs(&card->wandev);
cycx_x25_dump_devs(&card->wandev);
return 0;
}
......@@ -1207,8 +1232,8 @@ static int x25_place_call(struct cycx_device *card,
}
/* Place X.25 CONNECT RESPONSE. */
static int x25_connect_response(struct cycx_device *card,
struct cycx_x25_channel *chan)
static int cycx_x25_connect_response(struct cycx_device *card,
struct cycx_x25_channel *chan)
{
u8 d[8];
......@@ -1222,7 +1247,8 @@ static int x25_connect_response(struct cycx_device *card,
}
/* Place X.25 DISCONNECT RESPONSE. */
static int x25_disconnect_response(struct cycx_device *card, u8 link, u8 lcn)
static int cycx_x25_disconnect_response(struct cycx_device *card, u8 link,
u8 lcn)
{
char d[5];
......@@ -1251,8 +1277,8 @@ static int x25_clear_call(struct cycx_device *card, u8 link, u8 lcn, u8 cause,
}
/* Send X.25 data packet. */
static int x25_send(struct cycx_device *card, u8 link, u8 lcn, u8 bitm, int len,
void *buf)
static int cycx_x25_send(struct cycx_device *card, u8 link, u8 lcn, u8 bitm,
int len, void *buf)
{
u8 d[] = "?\xFF\x10??";
......@@ -1264,7 +1290,8 @@ static int x25_send(struct cycx_device *card, u8 link, u8 lcn, u8 bitm, int len,
/* Miscellaneous */
/* Find network device by its channel number. */
static struct net_device *get_dev_by_lcn(struct wan_device *wandev, s16 lcn)
static struct net_device *cycx_x25_get_dev_by_lcn(struct wan_device *wandev,
s16 lcn)
{
struct net_device *dev = wandev->dev;
struct cycx_x25_channel *chan;
......@@ -1280,8 +1307,8 @@ static struct net_device *get_dev_by_lcn(struct wan_device *wandev, s16 lcn)
}
/* Find network device by its remote dte address. */
static struct net_device *get_dev_by_dte_addr(struct wan_device *wandev,
char *dte)
static struct net_device *
cycx_x25_get_dev_by_dte_addr(struct wan_device *wandev, char *dte)
{
struct net_device *dev = wandev->dev;
struct cycx_x25_channel *chan;
......@@ -1303,7 +1330,7 @@ static struct net_device *get_dev_by_dte_addr(struct wan_device *wandev,
* Return: 0 connected
* >0 connection in progress
* <0 failure */
static int chan_connect(struct net_device *dev)
static int cycx_x25_chan_connect(struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
struct cycx_device *card = chan->card;
......@@ -1318,42 +1345,42 @@ static int chan_connect(struct net_device *dev)
if (x25_place_call(card, chan))
return -EIO;
set_chan_state(dev, WAN_CONNECTING);
cycx_x25_set_chan_state(dev, WAN_CONNECTING);
return 1;
} else
set_chan_state(dev, WAN_CONNECTED);
cycx_x25_set_chan_state(dev, WAN_CONNECTED);
return 0;
}
/* Disconnect logical channel.
* o if SVC then clear X.25 call */
static void chan_disconnect(struct net_device *dev)
static void cycx_x25_chan_disconnect(struct net_device *dev)
{
struct cycx_x25_channel *chan = dev->priv;
if (chan->svc) {
x25_clear_call(chan->card, chan->link, chan->lcn, 0, 0);
set_chan_state(dev, WAN_DISCONNECTING);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTING);
} else
set_chan_state(dev, WAN_DISCONNECTED);
cycx_x25_set_chan_state(dev, WAN_DISCONNECTED);
}
/* Called by kernel timer */
static void chan_timer(unsigned long d)
static void cycx_x25_chan_timer(unsigned long d)
{
struct net_device *dev = (struct net_device *)d;
struct cycx_x25_channel *chan = dev->priv;
if (chan->state == WAN_CONNECTED)
chan_disconnect(dev);
cycx_x25_chan_disconnect(dev);
else
printk(KERN_ERR "%s: chan_timer for svc (%s) not connected!\n",
chan->card->devname, dev->name);
printk(KERN_ERR "%s: %s for svc (%s) not connected!\n",
chan->card->devname, __FUNCTION__, dev->name);
}
/* Set logical channel state. */
static void set_chan_state(struct net_device *dev, u8 state)
static void cycx_x25_set_chan_state(struct net_device *dev, u8 state)
{
struct cycx_x25_channel *chan = dev->priv;
struct cycx_device *card = chan->card;
......@@ -1374,7 +1401,7 @@ static void set_chan_state(struct net_device *dev, u8 state)
reset_timer(dev);
if (chan->protocol == ETH_P_X25)
chan_x25_send_event(dev, 1);
cycx_x25_chan_send_event(dev, 1);
break;
case WAN_CONNECTING:
......@@ -1392,7 +1419,7 @@ static void set_chan_state(struct net_device *dev, u8 state)
}
if (chan->protocol == ETH_P_X25)
chan_x25_send_event(dev, 2);
cycx_x25_chan_send_event(dev, 2);
netif_wake_queue(dev);
break;
......@@ -1419,7 +1446,7 @@ static void set_chan_state(struct net_device *dev, u8 state)
* the packet into 'complete sequence' using M-bit.
* 2. When transmission is complete, an event notification should be issued
* to the router. */
static int chan_send(struct net_device *dev, struct sk_buff *skb)
static int cycx_x25_chan_send(struct net_device *dev, struct sk_buff *skb)
{
struct cycx_x25_channel *chan = dev->priv;
struct cycx_device *card = chan->card;
......@@ -1431,7 +1458,7 @@ static int chan_send(struct net_device *dev, struct sk_buff *skb)
bitm = 0x10; /* set M-bit (more data) */
}
if (x25_send(card, chan->link, chan->lcn, bitm, len, skb->data))
if (cycx_x25_send(card, chan->link, chan->lcn, bitm, len, skb->data))
return 1;
if (bitm) {
......@@ -1447,7 +1474,7 @@ static int chan_send(struct net_device *dev, struct sk_buff *skb)
/* Send event (connection, disconnection, etc) to X.25 socket layer */
static void chan_x25_send_event(struct net_device *dev, u8 event)
static void cycx_x25_chan_send_event(struct net_device *dev, u8 event)
{
struct sk_buff *skb;
unsigned char *ptr;
......@@ -1525,7 +1552,7 @@ static void reset_timer(struct net_device *dev)
mod_timer(&chan->timer, jiffies+chan->idle_tmout*HZ);
}
#ifdef CYCLOMX_X25_DEBUG
static void x25_dump_config(struct cycx_x25_config *conf)
static void cycx_x25_dump_config(struct cycx_x25_config *conf)
{
printk(KERN_INFO "X.25 configuration\n");
printk(KERN_INFO "-----------------\n");
......@@ -1547,7 +1574,7 @@ static void x25_dump_config(struct cycx_x25_config *conf)
printk(KERN_INFO "flags=0x%x\n", conf->flags);
}
static void x25_dump_stats(struct cycx_x25_stats *stats)
static void cycx_x25_dump_stats(struct cycx_x25_stats *stats)
{
printk(KERN_INFO "X.25 statistics\n");
printk(KERN_INFO "--------------\n");
......@@ -1563,7 +1590,7 @@ static void x25_dump_stats(struct cycx_x25_stats *stats)
printk(KERN_INFO "rx_aborts=%d\n", stats->rx_aborts);
}
static void x25_dump_devs(struct wan_device *wandev)
static void cycx_x25_dump_devs(struct wan_device *wandev)
{
struct net_device *dev = wandev->dev;
......
include/linux/cyclomx.h
View file @ 223a0d0b
......@@ -71,10 +71,10 @@ struct cycx_device {
};
/* Public Functions */
void cyclomx_set_state(struct cycx_device *card, int state);
void cycx_set_state(struct cycx_device *card, int state);
#ifdef CONFIG_CYCLOMX_X25
int cyx_init(struct cycx_device *card, wandev_conf_t *conf);
int cycx_x25_wan_init(struct cycx_device *card, wandev_conf_t *conf);
#endif
#endif /* __KERNEL__ */
#endif /* _CYCLOMX_H */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7