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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2007-02-09 09:25:25 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2007-02-11 02:20:20 -0500
commit4ba6122b4e0537858e8579716896f01acf55f745 (patch)
tree3527b20fd48769cd481671b382772053b3d1f704
parentac7bfa62f3ad06a2a2ac3938b7e6fc4f318a762d (diff)
[NET] WANROUTER: Fix whitespace errors.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/wanrouter/af_wanpipe.c514
-rw-r--r--net/wanrouter/wanmain.c18
-rw-r--r--net/wanrouter/wanproc.c4
3 files changed, 268 insertions, 268 deletions
diff --git a/net/wanrouter/af_wanpipe.c b/net/wanrouter/af_wanpipe.c
index c2059733e15a..41d7e32be70d 100644
--- a/net/wanrouter/af_wanpipe.c
+++ b/net/wanrouter/af_wanpipe.c
@@ -11,11 +11,11 @@
11* 2 of the License, or (at your option) any later version. 11* 2 of the License, or (at your option) any later version.
12* ============================================================================ 12* ============================================================================
13* Due Credit: 13* Due Credit:
14* Wanpipe socket layer is based on Packet and 14* Wanpipe socket layer is based on Packet and
15* the X25 socket layers. The above sockets were 15* the X25 socket layers. The above sockets were
16* used for the specific use of Sangoma Technologies 16* used for the specific use of Sangoma Technologies
17* API programs. 17* API programs.
18* Packet socket Authors: Ross Biro, Fred N. van Kempen and 18* Packet socket Authors: Ross Biro, Fred N. van Kempen and
19* Alan Cox. 19* Alan Cox.
20* X25 socket Author: Jonathan Naylor. 20* X25 socket Author: Jonathan Naylor.
21* ============================================================================ 21* ============================================================================
@@ -28,7 +28,7 @@
28* Feb 29, 2000 Nenad Corbic o Added support for PVC protocols, such as 28* Feb 29, 2000 Nenad Corbic o Added support for PVC protocols, such as
29* CHDLC, Frame Relay and HDLC API. 29* CHDLC, Frame Relay and HDLC API.
30* Jan 17, 2000 Nenad Corbic o Initial version, based on AF_PACKET socket. 30* Jan 17, 2000 Nenad Corbic o Initial version, based on AF_PACKET socket.
31* X25API support only. 31* X25API support only.
32* 32*
33******************************************************************************/ 33******************************************************************************/
34 34
@@ -71,33 +71,33 @@
71 #define DBG_PRINTK(format, a...) printk(format, ## a) 71 #define DBG_PRINTK(format, a...) printk(format, ## a)
72#else 72#else
73 #define DBG_PRINTK(format, a...) 73 #define DBG_PRINTK(format, a...)
74#endif 74#endif
75 75
76 76
77/* SECURE SOCKET IMPLEMENTATION 77/* SECURE SOCKET IMPLEMENTATION
78 * 78 *
79 * TRANSMIT: 79 * TRANSMIT:
80 * 80 *
81 * When the user sends a packet via send() system call 81 * When the user sends a packet via send() system call
82 * the wanpipe_sendmsg() function is executed. 82 * the wanpipe_sendmsg() function is executed.
83 * 83 *
84 * Each packet is enqueud into sk->sk_write_queue transmit 84 * Each packet is enqueud into sk->sk_write_queue transmit
85 * queue. When the packet is enqueued, a delayed transmit 85 * queue. When the packet is enqueued, a delayed transmit
86 * timer is triggerd which acts as a Bottom Half hander. 86 * timer is triggerd which acts as a Bottom Half hander.
87 * 87 *
88 * wanpipe_delay_transmit() function (BH), dequeues packets 88 * wanpipe_delay_transmit() function (BH), dequeues packets
89 * from the sk->sk_write_queue transmit queue and sends it 89 * from the sk->sk_write_queue transmit queue and sends it
90 * to the deriver via dev->hard_start_xmit(skb, dev) function. 90 * to the deriver via dev->hard_start_xmit(skb, dev) function.
91 * Note, this function is actual a function pointer of if_send() 91 * Note, this function is actual a function pointer of if_send()
92 * routine in the wanpipe driver. 92 * routine in the wanpipe driver.
93 * 93 *
94 * X25API GUARANTEED DELIVERY: 94 * X25API GUARANTEED DELIVERY:
95 * 95 *
96 * In order to provide 100% guaranteed packet delivery, 96 * In order to provide 100% guaranteed packet delivery,
97 * an atomic 'packet_sent' counter is implemented. Counter 97 * an atomic 'packet_sent' counter is implemented. Counter
98 * is incremented for each packet enqueued 98 * is incremented for each packet enqueued
99 * into sk->sk_write_queue. Counter is decremented each 99 * into sk->sk_write_queue. Counter is decremented each
100 * time wanpipe_delayed_transmit() function successfuly 100 * time wanpipe_delayed_transmit() function successfuly
101 * passes the packet to the driver. Before each send(), a poll 101 * passes the packet to the driver. Before each send(), a poll
102 * routine checks the sock resources The maximum value of 102 * routine checks the sock resources The maximum value of
103 * packet sent counter is 1, thus if one packet is queued, the 103 * packet sent counter is 1, thus if one packet is queued, the
@@ -110,11 +110,11 @@
110 * function, wanpipe_rcv() to queue the incoming packets 110 * function, wanpipe_rcv() to queue the incoming packets
111 * into an AF_WANPIPE socket queue. Based on wanpipe_rcv() 111 * into an AF_WANPIPE socket queue. Based on wanpipe_rcv()
112 * return code, the driver knows whether the packet was 112 * return code, the driver knows whether the packet was
113 * successfully queued. If the socket queue is full, 113 * successfully queued. If the socket queue is full,
114 * protocol flow control is used by the driver, if any, 114 * protocol flow control is used by the driver, if any,
115 * to slow down the traffic until the sock queue is free. 115 * to slow down the traffic until the sock queue is free.
116 * 116 *
117 * Every time a packet arrives into a socket queue the 117 * Every time a packet arrives into a socket queue the
118 * socket wakes up processes which are waiting to receive 118 * socket wakes up processes which are waiting to receive
119 * data. 119 * data.
120 * 120 *
@@ -122,12 +122,12 @@
122 * bit which signals the socket to kick the wanpipe driver 122 * bit which signals the socket to kick the wanpipe driver
123 * bottom half hander when the socket queue is partialy 123 * bottom half hander when the socket queue is partialy
124 * empty. wanpipe_recvmsg() function performs this action. 124 * empty. wanpipe_recvmsg() function performs this action.
125 * 125 *
126 * In case of x25api, packets will never be dropped, since 126 * In case of x25api, packets will never be dropped, since
127 * flow control is available. 127 * flow control is available.
128 * 128 *
129 * In case of streaming protocols like CHDLC, packets will 129 * In case of streaming protocols like CHDLC, packets will
130 * be dropped but the statistics will be generated. 130 * be dropped but the statistics will be generated.
131 */ 131 */
132 132
133 133
@@ -170,11 +170,11 @@ struct wanpipe_opt
170 struct net_device *dev; /* Bounded device */ 170 struct net_device *dev; /* Bounded device */
171 unsigned short lcn; /* Binded LCN */ 171 unsigned short lcn; /* Binded LCN */
172 unsigned char svc; /* 0=pvc, 1=svc */ 172 unsigned char svc; /* 0=pvc, 1=svc */
173 unsigned char timer; /* flag for delayed transmit*/ 173 unsigned char timer; /* flag for delayed transmit*/
174 struct timer_list tx_timer; 174 struct timer_list tx_timer;
175 unsigned poll_cnt; 175 unsigned poll_cnt;
176 unsigned char force; /* Used to force sock release */ 176 unsigned char force; /* Used to force sock release */
177 atomic_t packet_sent; 177 atomic_t packet_sent;
178}; 178};
179#endif 179#endif
180 180
@@ -215,8 +215,8 @@ static int check_driver_busy (struct sock *);
215 * 215 *
216 * Wanpipe socket bottom half handler. This function 216 * Wanpipe socket bottom half handler. This function
217 * is called by the WANPIPE device drivers to queue a 217 * is called by the WANPIPE device drivers to queue a
218 * incoming packet into the socket receive queue. 218 * incoming packet into the socket receive queue.
219 * Once the packet is queued, all processes waiting to 219 * Once the packet is queued, all processes waiting to
220 * read are woken up. 220 * read are woken up.
221 * 221 *
222 * During socket bind, this function is bounded into 222 * During socket bind, this function is bounded into
@@ -245,13 +245,13 @@ static int wanpipe_rcv(struct sk_buff *skb, struct net_device *dev,
245 if (dev->hard_header_parse) 245 if (dev->hard_header_parse)
246 sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr); 246 sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr);
247 247
248 /* 248 /*
249 * WAN_PACKET_DATA : Data which should be passed up the receive queue. 249 * WAN_PACKET_DATA : Data which should be passed up the receive queue.
250 * WAN_PACKET_ASYC : Asynchronous data like place call, which should 250 * WAN_PACKET_ASYC : Asynchronous data like place call, which should
251 * be passed up the listening sock. 251 * be passed up the listening sock.
252 * WAN_PACKET_ERR : Asynchronous data like clear call or restart 252 * WAN_PACKET_ERR : Asynchronous data like clear call or restart
253 * which should go into an error queue. 253 * which should go into an error queue.
254 */ 254 */
255 switch (skb->pkt_type){ 255 switch (skb->pkt_type){
256 256
257 case WAN_PACKET_DATA: 257 case WAN_PACKET_DATA:
@@ -261,10 +261,10 @@ static int wanpipe_rcv(struct sk_buff *skb, struct net_device *dev,
261 break; 261 break;
262 case WAN_PACKET_CMD: 262 case WAN_PACKET_CMD:
263 sk->sk_state = chan->state; 263 sk->sk_state = chan->state;
264 /* Bug fix: update Mar6. 264 /* Bug fix: update Mar6.
265 * Do not set the sock lcn number here, since 265 * Do not set the sock lcn number here, since
266 * cmd is not guaranteed to be executed on the 266 * cmd is not guaranteed to be executed on the
267 * board, thus Lcn could be wrong */ 267 * board, thus Lcn could be wrong */
268 sk->sk_data_ready(sk, skb->len); 268 sk->sk_data_ready(sk, skb->len);
269 kfree_skb(skb); 269 kfree_skb(skb);
270 break; 270 break;
@@ -276,7 +276,7 @@ static int wanpipe_rcv(struct sk_buff *skb, struct net_device *dev,
276 break; 276 break;
277 default: 277 default:
278 printk(KERN_INFO "wansock: BH Illegal Packet Type Dropping\n"); 278 printk(KERN_INFO "wansock: BH Illegal Packet Type Dropping\n");
279 kfree_skb(skb); 279 kfree_skb(skb);
280 break; 280 break;
281 } 281 }
282 282
@@ -297,20 +297,20 @@ static int wanpipe_rcv(struct sk_buff *skb, struct net_device *dev,
297 * 297 *
298 * Wanpipe LISTEN socket bottom half handler. This function 298 * Wanpipe LISTEN socket bottom half handler. This function
299 * is called by the WANPIPE device drivers to queue an 299 * is called by the WANPIPE device drivers to queue an
300 * incoming call into the socket listening queue. 300 * incoming call into the socket listening queue.
301 * Once the packet is queued, the waiting accept() process 301 * Once the packet is queued, the waiting accept() process
302 * is woken up. 302 * is woken up.
303 * 303 *
304 * During socket bind, this function is bounded into 304 * During socket bind, this function is bounded into
305 * WANPIPE driver private. 305 * WANPIPE driver private.
306 * 306 *
307 * IMPORTANT NOTE: 307 * IMPORTANT NOTE:
308 * The accept call() is waiting for an skb packet 308 * The accept call() is waiting for an skb packet
309 * which contains a pointer to a device structure. 309 * which contains a pointer to a device structure.
310 * 310 *
311 * When we do a bind to a device structre, we 311 * When we do a bind to a device structre, we
312 * bind a newly created socket into "chan->sk". Thus, 312 * bind a newly created socket into "chan->sk". Thus,
313 * when accept receives the skb packet, it will know 313 * when accept receives the skb packet, it will know
314 * from which dev it came form, and in turn it will know 314 * from which dev it came form, and in turn it will know
315 * the address of the new sock. 315 * the address of the new sock.
316 * 316 *
@@ -322,31 +322,31 @@ static int wanpipe_listen_rcv (struct sk_buff *skb, struct sock *sk)
322 wanpipe_opt *wp = wp_sk(sk), *newwp; 322 wanpipe_opt *wp = wp_sk(sk), *newwp;
323 struct wan_sockaddr_ll *sll = (struct wan_sockaddr_ll*)skb->cb; 323 struct wan_sockaddr_ll *sll = (struct wan_sockaddr_ll*)skb->cb;
324 struct sock *newsk; 324 struct sock *newsk;
325 struct net_device *dev; 325 struct net_device *dev;
326 sdla_t *card; 326 sdla_t *card;
327 mbox_cmd_t *mbox_ptr; 327 mbox_cmd_t *mbox_ptr;
328 wanpipe_common_t *chan; 328 wanpipe_common_t *chan;
329 329
330 /* Find a free device, if none found, all svc's are busy 330 /* Find a free device, if none found, all svc's are busy
331 */ 331 */
332 332
333 card = (sdla_t*)wp->card; 333 card = (sdla_t*)wp->card;
334 if (!card){ 334 if (!card){
335 printk(KERN_INFO "wansock: LISTEN ERROR, No Card\n"); 335 printk(KERN_INFO "wansock: LISTEN ERROR, No Card\n");
336 return -ENODEV; 336 return -ENODEV;
337 } 337 }
338 338
339 dev = wanpipe_find_free_dev(card); 339 dev = wanpipe_find_free_dev(card);
340 if (!dev){ 340 if (!dev){
341 printk(KERN_INFO "wansock: LISTEN ERROR, No Free Device\n"); 341 printk(KERN_INFO "wansock: LISTEN ERROR, No Free Device\n");
342 return -ENODEV; 342 return -ENODEV;
343 } 343 }
344 344
345 chan=dev->priv; 345 chan=dev->priv;
346 chan->state = WANSOCK_CONNECTING; 346 chan->state = WANSOCK_CONNECTING;
347 347
348 /* Allocate a new sock, which accept will bind 348 /* Allocate a new sock, which accept will bind
349 * and pass up to the user 349 * and pass up to the user
350 */ 350 */
351 if ((newsk = wanpipe_make_new(sk)) == NULL){ 351 if ((newsk = wanpipe_make_new(sk)) == NULL){
352 release_device(dev); 352 release_device(dev);
@@ -354,33 +354,33 @@ static int wanpipe_listen_rcv (struct sk_buff *skb, struct sock *sk)
354 } 354 }
355 355
356 356
357 /* Initialize the new sock structure 357 /* Initialize the new sock structure
358 */ 358 */
359 newsk->sk_bound_dev_if = dev->ifindex; 359 newsk->sk_bound_dev_if = dev->ifindex;
360 newwp = wp_sk(newsk); 360 newwp = wp_sk(newsk);
361 newwp->card = wp->card; 361 newwp->card = wp->card;
362 362
363 /* Insert the sock into the main wanpipe 363 /* Insert the sock into the main wanpipe
364 * sock list. 364 * sock list.
365 */ 365 */
366 atomic_inc(&wanpipe_socks_nr); 366 atomic_inc(&wanpipe_socks_nr);
367 367
368 /* Allocate and fill in the new Mail Box. Then 368 /* Allocate and fill in the new Mail Box. Then
369 * bind the mail box to the sock. It will be 369 * bind the mail box to the sock. It will be
370 * used by the ioctl call to read call information 370 * used by the ioctl call to read call information
371 * and to execute commands. 371 * and to execute commands.
372 */ 372 */
373 if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL) { 373 if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL) {
374 wanpipe_kill_sock_irq (newsk); 374 wanpipe_kill_sock_irq (newsk);
375 release_device(dev); 375 release_device(dev);
376 return -ENOMEM; 376 return -ENOMEM;
377 } 377 }
378 memcpy(mbox_ptr,skb->data,skb->len); 378 memcpy(mbox_ptr,skb->data,skb->len);
379 379
380 /* Register the lcn on which incoming call came 380 /* Register the lcn on which incoming call came
381 * from. Thus, if we have to clear it, we know 381 * from. Thus, if we have to clear it, we know
382 * which lcn to clear 382 * which lcn to clear
383 */ 383 */
384 384
385 newwp->lcn = mbox_ptr->cmd.lcn; 385 newwp->lcn = mbox_ptr->cmd.lcn;
386 newwp->mbox = (void *)mbox_ptr; 386 newwp->mbox = (void *)mbox_ptr;
@@ -416,20 +416,20 @@ static int wanpipe_listen_rcv (struct sk_buff *skb, struct sock *sk)
416 416
417 /* We must do this manually, since the sock_queue_rcv_skb() 417 /* We must do this manually, since the sock_queue_rcv_skb()
418 * function sets the skb->dev to NULL. However, we use 418 * function sets the skb->dev to NULL. However, we use
419 * the dev field in the accept function.*/ 419 * the dev field in the accept function.*/
420 if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= 420 if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
421 (unsigned)sk->sk_rcvbuf) { 421 (unsigned)sk->sk_rcvbuf) {
422 422
423 wanpipe_unlink_driver(newsk); 423 wanpipe_unlink_driver(newsk);
424 wanpipe_kill_sock_irq (newsk); 424 wanpipe_kill_sock_irq (newsk);
425 --sk->sk_ack_backlog; 425 --sk->sk_ack_backlog;
426 return -ENOMEM; 426 return -ENOMEM;
427 } 427 }
428 428
429 skb_set_owner_r(skb, sk); 429 skb_set_owner_r(skb, sk);
430 skb_queue_tail(&sk->sk_receive_queue, skb); 430 skb_queue_tail(&sk->sk_receive_queue, skb);
431 sk->sk_data_ready(sk, skb->len); 431 sk->sk_data_ready(sk, skb->len);
432 432
433 return 0; 433 return 0;
434} 434}
435 435
@@ -474,7 +474,7 @@ static struct sock *wanpipe_make_new(struct sock *osk)
474 return sk; 474 return sk;
475} 475}
476 476
477/* 477/*
478 * FIXME: wanpipe_opt has to include a sock in its definition and stop using 478 * FIXME: wanpipe_opt has to include a sock in its definition and stop using
479 * sk_protinfo, but this code is not even compilable now, so lets leave it for 479 * sk_protinfo, but this code is not even compilable now, so lets leave it for
480 * later. 480 * later.
@@ -489,12 +489,12 @@ static struct proto wanpipe_proto = {
489 * wanpipe_make_new 489 * wanpipe_make_new
490 * 490 *
491 * Allocate memory for the a new sock, and sock 491 * Allocate memory for the a new sock, and sock
492 * private data. 492 * private data.
493 * 493 *
494 * Increment the module use count. 494 * Increment the module use count.
495 * 495 *
496 * This function is used by wanpipe_create() and 496 * This function is used by wanpipe_create() and
497 * wanpipe_make_new() functions. 497 * wanpipe_make_new() functions.
498 * 498 *
499 *===========================================================*/ 499 *===========================================================*/
500 500
@@ -514,7 +514,7 @@ static struct sock *wanpipe_alloc_socket(void)
514 wp_sk(sk) = wan_opt; 514 wp_sk(sk) = wan_opt;
515 515
516 /* Use timer to send data to the driver. This will act 516 /* Use timer to send data to the driver. This will act
517 * as a BH handler for sendmsg functions */ 517 * as a BH handler for sendmsg functions */
518 init_timer(&wan_opt->tx_timer); 518 init_timer(&wan_opt->tx_timer);
519 wan_opt->tx_timer.data = (unsigned long)sk; 519 wan_opt->tx_timer.data = (unsigned long)sk;
520 wan_opt->tx_timer.function = wanpipe_delayed_transmit; 520 wan_opt->tx_timer.function = wanpipe_delayed_transmit;
@@ -528,14 +528,14 @@ static struct sock *wanpipe_alloc_socket(void)
528 * wanpipe_sendmsg 528 * wanpipe_sendmsg
529 * 529 *
530 * This function implements a sendto() system call, 530 * This function implements a sendto() system call,
531 * for AF_WANPIPE socket family. 531 * for AF_WANPIPE socket family.
532 * During socket bind() sk->sk_bound_dev_if is initialized 532 * During socket bind() sk->sk_bound_dev_if is initialized
533 * to a correct network device. This number is used 533 * to a correct network device. This number is used
534 * to find a network device to which the packet should 534 * to find a network device to which the packet should
535 * be passed to. 535 * be passed to.
536 * 536 *
537 * Each packet is queued into sk->sk_write_queue and 537 * Each packet is queued into sk->sk_write_queue and
538 * delayed transmit bottom half handler is marked for 538 * delayed transmit bottom half handler is marked for
539 * execution. 539 * execution.
540 * 540 *
541 * A socket must be in WANSOCK_CONNECTED state before 541 * A socket must be in WANSOCK_CONNECTED state before
@@ -554,18 +554,18 @@ static int wanpipe_sendmsg(struct kiocb *iocb, struct socket *sock,
554 unsigned char *addr; 554 unsigned char *addr;
555 int ifindex, err, reserve = 0; 555 int ifindex, err, reserve = 0;
556 556
557 557
558 if (!sock_flag(sk, SOCK_ZAPPED)) 558 if (!sock_flag(sk, SOCK_ZAPPED))
559 return -ENETDOWN; 559 return -ENETDOWN;
560 560
561 if (sk->sk_state != WANSOCK_CONNECTED) 561 if (sk->sk_state != WANSOCK_CONNECTED)
562 return -ENOTCONN; 562 return -ENOTCONN;
563 563
564 if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_CMSG_COMPAT)) 564 if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_CMSG_COMPAT))
565 return(-EINVAL); 565 return(-EINVAL);
566 566
567 /* it was <=, now one can send 567 /* it was <=, now one can send
568 * zero length packets */ 568 * zero length packets */
569 if (len < sizeof(x25api_hdr_t)) 569 if (len < sizeof(x25api_hdr_t))
570 return -EINVAL; 570 return -EINVAL;
571 571
@@ -577,7 +577,7 @@ static int wanpipe_sendmsg(struct kiocb *iocb, struct socket *sock,
577 addr = NULL; 577 addr = NULL;
578 578
579 }else{ 579 }else{
580 if (msg->msg_namelen < sizeof(struct wan_sockaddr_ll)){ 580 if (msg->msg_namelen < sizeof(struct wan_sockaddr_ll)){
581 return -EINVAL; 581 return -EINVAL;
582 } 582 }
583 583
@@ -592,12 +592,12 @@ static int wanpipe_sendmsg(struct kiocb *iocb, struct socket *sock,
592 return -ENXIO; 592 return -ENXIO;
593 } 593 }
594 dev_put(dev); 594 dev_put(dev);
595 595
596 if (sock->type == SOCK_RAW) 596 if (sock->type == SOCK_RAW)
597 reserve = dev->hard_header_len; 597 reserve = dev->hard_header_len;
598 598
599 if (len > dev->mtu+reserve){ 599 if (len > dev->mtu+reserve){
600 return -EMSGSIZE; 600 return -EMSGSIZE;
601 } 601 }
602 602
603 skb = sock_alloc_send_skb(sk, len + LL_RESERVED_SPACE(dev), 603 skb = sock_alloc_send_skb(sk, len + LL_RESERVED_SPACE(dev),
@@ -606,7 +606,7 @@ static int wanpipe_sendmsg(struct kiocb *iocb, struct socket *sock,
606 if (skb==NULL){ 606 if (skb==NULL){
607 goto out_unlock; 607 goto out_unlock;
608 } 608 }
609 609
610 skb_reserve(skb, LL_RESERVED_SPACE(dev)); 610 skb_reserve(skb, LL_RESERVED_SPACE(dev));
611 skb->nh.raw = skb->data; 611 skb->nh.raw = skb->data;
612 612
@@ -645,7 +645,7 @@ static int wanpipe_sendmsg(struct kiocb *iocb, struct socket *sock,
645 645
646 if (!(test_and_set_bit(0, &wp->timer))) 646 if (!(test_and_set_bit(0, &wp->timer)))
647 mod_timer(&wp->tx_timer, jiffies + 1); 647 mod_timer(&wp->tx_timer, jiffies + 1);
648 648
649 return(len); 649 return(len);
650 650
651out_free: 651out_free:
@@ -658,12 +658,12 @@ out_unlock:
658 * wanpipe_delayed_tarnsmit 658 * wanpipe_delayed_tarnsmit
659 * 659 *
660 * Transmit bottom half handler. It dequeues packets 660 * Transmit bottom half handler. It dequeues packets
661 * from sk->sk_write_queue and passes them to the 661 * from sk->sk_write_queue and passes them to the
662 * driver. If the driver is busy, the packet is 662 * driver. If the driver is busy, the packet is
663 * re-enqueued. 663 * re-enqueued.
664 * 664 *
665 * Packet Sent counter is decremented on successful 665 * Packet Sent counter is decremented on successful
666 * transmission. 666 * transmission.
667 *===========================================================*/ 667 *===========================================================*/
668 668
669 669
@@ -680,17 +680,17 @@ static void wanpipe_delayed_transmit (unsigned long data)
680 DBG_PRINTK(KERN_INFO "wansock: Transmit delay, no dev or card\n"); 680 DBG_PRINTK(KERN_INFO "wansock: Transmit delay, no dev or card\n");
681 return; 681 return;
682 } 682 }
683 683
684 if (sk->sk_state != WANSOCK_CONNECTED || !sock_flag(sk, SOCK_ZAPPED)) { 684 if (sk->sk_state != WANSOCK_CONNECTED || !sock_flag(sk, SOCK_ZAPPED)) {
685 clear_bit(0, &wp->timer); 685 clear_bit(0, &wp->timer);
686 DBG_PRINTK(KERN_INFO "wansock: Tx Timer, State not CONNECTED\n"); 686 DBG_PRINTK(KERN_INFO "wansock: Tx Timer, State not CONNECTED\n");
687 return; 687 return;
688 } 688 }
689 689
690 /* If driver is executing command, we must offload 690 /* If driver is executing command, we must offload
691 * the board by not sending data. Otherwise a 691 * the board by not sending data. Otherwise a
692 * pending command will never get a free buffer 692 * pending command will never get a free buffer
693 * to execute */ 693 * to execute */
694 if (atomic_read(&card->u.x.command_busy)){ 694 if (atomic_read(&card->u.x.command_busy)){
695 wp->tx_timer.expires = jiffies + SLOW_BACKOFF; 695 wp->tx_timer.expires = jiffies + SLOW_BACKOFF;
696 add_timer(&wp->tx_timer); 696 add_timer(&wp->tx_timer);
@@ -698,30 +698,30 @@ static void wanpipe_delayed_transmit (unsigned long data)
698 return; 698 return;
699 } 699 }
700 700
701 701
702 if (test_and_set_bit(0,&wanpipe_tx_critical)){ 702 if (test_and_set_bit(0,&wanpipe_tx_critical)){
703 printk(KERN_INFO "WanSock: Tx timer critical %s\n",dev->name); 703 printk(KERN_INFO "WanSock: Tx timer critical %s\n",dev->name);
704 wp->tx_timer.expires = jiffies + SLOW_BACKOFF; 704 wp->tx_timer.expires = jiffies + SLOW_BACKOFF;
705 add_timer(&wp->tx_timer); 705 add_timer(&wp->tx_timer);
706 return; 706 return;
707 } 707 }
708 708
709 /* Check for a packet in the fifo and send */ 709 /* Check for a packet in the fifo and send */
710 if ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL){ 710 if ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL){
711 711
712 if (dev->hard_start_xmit(skb, dev) != 0){ 712 if (dev->hard_start_xmit(skb, dev) != 0){
713 713
714 /* Driver failed to transmit, re-enqueue 714 /* Driver failed to transmit, re-enqueue
715 * the packet and retry again later */ 715 * the packet and retry again later */
716 skb_queue_head(&sk->sk_write_queue,skb); 716 skb_queue_head(&sk->sk_write_queue,skb);
717 clear_bit(0,&wanpipe_tx_critical); 717 clear_bit(0,&wanpipe_tx_critical);
718 return; 718 return;
719 }else{ 719 }else{
720 720
721 /* Packet Sent successful. Check for more packets 721 /* Packet Sent successful. Check for more packets
722 * if more packets, re-trigger the transmit routine 722 * if more packets, re-trigger the transmit routine
723 * other wise exit 723 * other wise exit
724 */ 724 */
725 atomic_dec(&wp->packet_sent); 725 atomic_dec(&wp->packet_sent);
726 726
727 if (skb_peek(&sk->sk_write_queue) == NULL) { 727 if (skb_peek(&sk->sk_write_queue) == NULL) {
@@ -741,18 +741,18 @@ static void wanpipe_delayed_transmit (unsigned long data)
741} 741}
742 742
743/*============================================================ 743/*============================================================
744 * execute_command 744 * execute_command
745 * 745 *
746 * Execute x25api commands. The atomic variable 746 * Execute x25api commands. The atomic variable
747 * chan->command is used to indicate to the driver that 747 * chan->command is used to indicate to the driver that
748 * command is pending for execution. The acutal command 748 * command is pending for execution. The acutal command
749 * structure is placed into a sock mbox structure 749 * structure is placed into a sock mbox structure
750 * (wp_sk(sk)->mbox). 750 * (wp_sk(sk)->mbox).
751 * 751 *
752 * The sock private structure, mbox is 752 * The sock private structure, mbox is
753 * used as shared memory between sock and the driver. 753 * used as shared memory between sock and the driver.
754 * Driver uses the sock mbox to execute the command 754 * Driver uses the sock mbox to execute the command
755 * and return the result. 755 * and return the result.
756 * 756 *
757 * For all command except PLACE CALL, the function 757 * For all command except PLACE CALL, the function
758 * waits for the result. PLACE CALL can be ether 758 * waits for the result. PLACE CALL can be ether
@@ -768,7 +768,7 @@ static int execute_command(struct sock *sk, unsigned char cmd, unsigned int fla
768 wanpipe_common_t *chan=NULL; 768 wanpipe_common_t *chan=NULL;
769 int err=0; 769 int err=0;
770 DECLARE_WAITQUEUE(wait, current); 770 DECLARE_WAITQUEUE(wait, current);
771 771
772 dev = dev_get_by_index(sk->sk_bound_dev_if); 772 dev = dev_get_by_index(sk->sk_bound_dev_if);
773 if (dev == NULL){ 773 if (dev == NULL){
774 printk(KERN_INFO "wansock: Exec failed no dev %i\n", 774 printk(KERN_INFO "wansock: Exec failed no dev %i\n",
@@ -793,7 +793,7 @@ static int execute_command(struct sock *sk, unsigned char cmd, unsigned int fla
793 return -EINVAL; 793 return -EINVAL;
794 } 794 }
795 795
796 ((mbox_cmd_t*)wp->mbox)->cmd.command = cmd; 796 ((mbox_cmd_t*)wp->mbox)->cmd.command = cmd;
797 ((mbox_cmd_t*)wp->mbox)->cmd.lcn = wp->lcn; 797 ((mbox_cmd_t*)wp->mbox)->cmd.lcn = wp->lcn;
798 ((mbox_cmd_t*)wp->mbox)->cmd.result = 0x7F; 798 ((mbox_cmd_t*)wp->mbox)->cmd.result = 0x7F;
799 799
@@ -820,12 +820,12 @@ static int execute_command(struct sock *sk, unsigned char cmd, unsigned int fla
820 } 820 }
821 current->state = TASK_RUNNING; 821 current->state = TASK_RUNNING;
822 remove_wait_queue(sk->sk_sleep,&wait); 822 remove_wait_queue(sk->sk_sleep,&wait);
823 823
824 return err; 824 return err;
825} 825}
826 826
827/*============================================================ 827/*============================================================
828 * wanpipe_destroy_timer 828 * wanpipe_destroy_timer
829 * 829 *
830 * Used by wanpipe_release, to delay release of 830 * Used by wanpipe_release, to delay release of
831 * the socket. 831 * the socket.
@@ -846,7 +846,7 @@ static void wanpipe_destroy_timer(unsigned long data)
846 846
847 kfree(wp); 847 kfree(wp);
848 wp_sk(sk) = NULL; 848 wp_sk(sk) = NULL;
849 849
850 if (atomic_read(&sk->sk_refcnt) != 1) { 850 if (atomic_read(&sk->sk_refcnt) != 1) {
851 atomic_set(&sk->sk_refcnt, 1); 851 atomic_set(&sk->sk_refcnt, 1);
852 DBG_PRINTK(KERN_INFO "wansock: Error, wrong reference count: %i ! :delay.\n", 852 DBG_PRINTK(KERN_INFO "wansock: Error, wrong reference count: %i ! :delay.\n",
@@ -865,9 +865,9 @@ static void wanpipe_destroy_timer(unsigned long data)
865/*============================================================ 865/*============================================================
866 * wanpipe_unlink_driver 866 * wanpipe_unlink_driver
867 * 867 *
868 * When the socket is released, this function is 868 * When the socket is released, this function is
869 * used to remove links that bind the sock and the 869 * used to remove links that bind the sock and the
870 * driver together. 870 * driver together.
871 *===========================================================*/ 871 *===========================================================*/
872static void wanpipe_unlink_driver (struct sock *sk) 872static void wanpipe_unlink_driver (struct sock *sk)
873{ 873{
@@ -882,7 +882,7 @@ static void wanpipe_unlink_driver (struct sock *sk)
882 if (!dev){ 882 if (!dev){
883 printk(KERN_INFO "wansock: No dev on release\n"); 883 printk(KERN_INFO "wansock: No dev on release\n");
884 return; 884 return;
885 } 885 }
886 dev_put(dev); 886 dev_put(dev);
887 887
888 if ((chan = dev->priv) == NULL){ 888 if ((chan = dev->priv) == NULL){
@@ -897,7 +897,7 @@ static void wanpipe_unlink_driver (struct sock *sk)
897 chan->tx_timer=NULL; 897 chan->tx_timer=NULL;
898 clear_bit(0,&chan->common_critical); 898 clear_bit(0,&chan->common_critical);
899 release_device(dev); 899 release_device(dev);
900 900
901 return; 901 return;
902} 902}
903 903
@@ -931,7 +931,7 @@ static void wanpipe_link_driver(struct net_device *dev, struct sock *sk)
931/*============================================================ 931/*============================================================
932 * release_device 932 * release_device
933 * 933 *
934 * During sock release, clear a critical bit, which 934 * During sock release, clear a critical bit, which
935 * marks the device a being taken. 935 * marks the device a being taken.
936 *===========================================================*/ 936 *===========================================================*/
937 937
@@ -945,8 +945,8 @@ static void release_device(struct net_device *dev)
945/*============================================================ 945/*============================================================
946 * wanpipe_release 946 * wanpipe_release
947 * 947 *
948 * Close a PACKET socket. This is fairly simple. We 948 * Close a PACKET socket. This is fairly simple. We
949 * immediately go to 'closed' state and remove our 949 * immediately go to 'closed' state and remove our
950 * protocol entry in the device list. 950 * protocol entry in the device list.
951 *===========================================================*/ 951 *===========================================================*/
952 952
@@ -954,7 +954,7 @@ static int wanpipe_release(struct socket *sock)
954{ 954{
955 wanpipe_opt *wp; 955 wanpipe_opt *wp;
956 struct sock *sk = sock->sk; 956 struct sock *sk = sock->sk;
957 957
958 if (!sk) 958 if (!sk)
959 return 0; 959 return 0;
960 960
@@ -962,9 +962,9 @@ static int wanpipe_release(struct socket *sock)
962 check_write_queue(sk); 962 check_write_queue(sk);
963 963
964 /* Kill the tx timer, if we don't kill it now, the timer 964 /* Kill the tx timer, if we don't kill it now, the timer
965 * will run after we kill the sock. Timer code will 965 * will run after we kill the sock. Timer code will
966 * try to access the sock which has been killed and cause 966 * try to access the sock which has been killed and cause
967 * kernel panic */ 967 * kernel panic */
968 968
969 del_timer(&wp->tx_timer); 969 del_timer(&wp->tx_timer);
970 970
@@ -982,7 +982,7 @@ static int wanpipe_release(struct socket *sock)
982 DBG_PRINTK(KERN_INFO "wansock: Sending Clear Indication %i\n", 982 DBG_PRINTK(KERN_INFO "wansock: Sending Clear Indication %i\n",
983 sk->sk_state); 983 sk->sk_state);
984 dev_put(dev); 984 dev_put(dev);
985 } 985 }
986 } 986 }
987 987
988 set_bit(1,&wanpipe_tx_critical); 988 set_bit(1,&wanpipe_tx_critical);
@@ -992,10 +992,10 @@ static int wanpipe_release(struct socket *sock)
992 clear_bit(1,&wanpipe_tx_critical); 992 clear_bit(1,&wanpipe_tx_critical);
993 993
994 994
995 995
996 release_driver(sk); 996 release_driver(sk);
997 997
998 998
999 /* 999 /*
1000 * Now the socket is dead. No more input will appear. 1000 * Now the socket is dead. No more input will appear.
1001 */ 1001 */
@@ -1040,9 +1040,9 @@ static int wanpipe_release(struct socket *sock)
1040/*============================================================ 1040/*============================================================
1041 * check_write_queue 1041 * check_write_queue
1042 * 1042 *
1043 * During sock shutdown, if the sock state is 1043 * During sock shutdown, if the sock state is
1044 * WANSOCK_CONNECTED and there is transmit data 1044 * WANSOCK_CONNECTED and there is transmit data
1045 * pending. Wait until data is released 1045 * pending. Wait until data is released
1046 * before proceeding. 1046 * before proceeding.
1047 *===========================================================*/ 1047 *===========================================================*/
1048 1048
@@ -1062,7 +1062,7 @@ static void check_write_queue(struct sock *sk)
1062/*============================================================ 1062/*============================================================
1063 * release_driver 1063 * release_driver
1064 * 1064 *
1065 * This function is called during sock shutdown, to 1065 * This function is called during sock shutdown, to
1066 * release any resources and links that bind the sock 1066 * release any resources and links that bind the sock
1067 * to the driver. It also changes the state of the 1067 * to the driver. It also changes the state of the
1068 * sock to WANSOCK_DISCONNECTED 1068 * sock to WANSOCK_DISCONNECTED
@@ -1105,7 +1105,7 @@ static void release_driver(struct sock *sk)
1105 * start_cleanup_timer 1105 * start_cleanup_timer
1106 * 1106 *
1107 * If new incoming call's are pending but the socket 1107 * If new incoming call's are pending but the socket
1108 * is being released, start the timer which will 1108 * is being released, start the timer which will
1109 * envoke the kill routines for pending socks. 1109 * envoke the kill routines for pending socks.
1110 *===========================================================*/ 1110 *===========================================================*/
1111 1111
@@ -1125,7 +1125,7 @@ static void start_cleanup_timer (struct sock *sk)
1125 * 1125 *
1126 * This is a function which performs actual killing 1126 * This is a function which performs actual killing
1127 * of the sock. It releases socket resources, 1127 * of the sock. It releases socket resources,
1128 * and unlinks the sock from the driver. 1128 * and unlinks the sock from the driver.
1129 *===========================================================*/ 1129 *===========================================================*/
1130 1130
1131static void wanpipe_kill_sock_timer (unsigned long data) 1131static void wanpipe_kill_sock_timer (unsigned long data)
@@ -1139,13 +1139,13 @@ static void wanpipe_kill_sock_timer (unsigned long data)
1139 1139
1140 /* This function can be called from interrupt. We must use 1140 /* This function can be called from interrupt. We must use
1141 * appropriate locks */ 1141 * appropriate locks */
1142 1142
1143 if (test_bit(1,&wanpipe_tx_critical)){ 1143 if (test_bit(1,&wanpipe_tx_critical)){
1144 sk->sk_timer.expires = jiffies + 10; 1144 sk->sk_timer.expires = jiffies + 10;
1145 add_timer(&sk->sk_timer); 1145 add_timer(&sk->sk_timer);
1146 return; 1146 return;
1147 } 1147 }
1148 1148
1149 write_lock(&wanpipe_sklist_lock); 1149 write_lock(&wanpipe_sklist_lock);
1150 sk_del_node_init(sk); 1150 sk_del_node_init(sk);
1151 write_unlock(&wanpipe_sklist_lock); 1151 write_unlock(&wanpipe_sklist_lock);
@@ -1159,7 +1159,7 @@ static void wanpipe_kill_sock_timer (unsigned long data)
1159 chan=dev->priv; 1159 chan=dev->priv;
1160 atomic_set(&chan->disconnect,1); 1160 atomic_set(&chan->disconnect,1);
1161 dev_put(dev); 1161 dev_put(dev);
1162 } 1162 }
1163 } 1163 }
1164 1164
1165 release_driver(sk); 1165 release_driver(sk);
@@ -1170,7 +1170,7 @@ static void wanpipe_kill_sock_timer (unsigned long data)
1170 skb_queue_purge(&sk->sk_receive_queue); 1170 skb_queue_purge(&sk->sk_receive_queue);
1171 skb_queue_purge(&sk->sk_write_queue); 1171 skb_queue_purge(&sk->sk_write_queue);
1172 skb_queue_purge(&sk->sk_error_queue); 1172 skb_queue_purge(&sk->sk_error_queue);
1173 1173
1174 if (atomic_read(&sk->sk_rmem_alloc) || 1174 if (atomic_read(&sk->sk_rmem_alloc) ||
1175 atomic_read(&sk->sk_wmem_alloc)) { 1175 atomic_read(&sk->sk_wmem_alloc)) {
1176 del_timer(&sk->sk_timer); 1176 del_timer(&sk->sk_timer);
@@ -1205,7 +1205,7 @@ static void wanpipe_kill_sock_accept (struct sock *sk)
1205 1205
1206 /* This function can be called from interrupt. We must use 1206 /* This function can be called from interrupt. We must use
1207 * appropriate locks */ 1207 * appropriate locks */
1208 1208
1209 write_lock(&wanpipe_sklist_lock); 1209 write_lock(&wanpipe_sklist_lock);
1210 sk_del_node_init(sk); 1210 sk_del_node_init(sk);
1211 write_unlock(&wanpipe_sklist_lock); 1211 write_unlock(&wanpipe_sklist_lock);
@@ -1282,10 +1282,10 @@ static int wanpipe_do_bind(struct sock *sk, struct net_device *dev,
1282 chan=dev->priv; 1282 chan=dev->priv;
1283 sk->sk_state = chan->state; 1283 sk->sk_state = chan->state;
1284 1284
1285 if (wp->num == htons(X25_PROT) && 1285 if (wp->num == htons(X25_PROT) &&
1286 sk->sk_state != WANSOCK_DISCONNECTED && 1286 sk->sk_state != WANSOCK_DISCONNECTED &&
1287 sk->sk_state != WANSOCK_CONNECTING) { 1287 sk->sk_state != WANSOCK_CONNECTING) {
1288 DBG_PRINTK(KERN_INFO 1288 DBG_PRINTK(KERN_INFO
1289 "wansock: Binding to Device not DISCONNECTED %i\n", 1289 "wansock: Binding to Device not DISCONNECTED %i\n",
1290 sk->sk_state); 1290 sk->sk_state);
1291 release_device(dev); 1291 release_device(dev);
@@ -1338,7 +1338,7 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
1338 /* 1338 /*
1339 * Check legality 1339 * Check legality
1340 */ 1340 */
1341 1341
1342 if (addr_len < sizeof(struct wan_sockaddr_ll)){ 1342 if (addr_len < sizeof(struct wan_sockaddr_ll)){
1343 printk(KERN_INFO "wansock: Address length error\n"); 1343 printk(KERN_INFO "wansock: Address length error\n");
1344 return -EINVAL; 1344 return -EINVAL;
@@ -1358,12 +1358,12 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
1358 1358
1359 if (!strcmp(sll->sll_device,"svc_listen")){ 1359 if (!strcmp(sll->sll_device,"svc_listen")){
1360 1360
1361 /* Bind a sock to a card structure for listening 1361 /* Bind a sock to a card structure for listening
1362 */ 1362 */
1363 int err=0; 1363 int err=0;
1364 1364
1365 /* This is x25 specific area if protocol doesn't 1365 /* This is x25 specific area if protocol doesn't
1366 * match, return error */ 1366 * match, return error */
1367 if (sll->sll_protocol != htons(X25_PROT)) 1367 if (sll->sll_protocol != htons(X25_PROT))
1368 return -EINVAL; 1368 return -EINVAL;
1369 1369
@@ -1376,14 +1376,14 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
1376 sk->sk_state = WANSOCK_BIND_LISTEN; 1376 sk->sk_state = WANSOCK_BIND_LISTEN;
1377 return 0; 1377 return 0;
1378 1378
1379 }else if (!strcmp(sll->sll_device,"svc_connect")){ 1379 }else if (!strcmp(sll->sll_device,"svc_connect")){
1380 1380
1381 /* This is x25 specific area if protocol doesn't 1381 /* This is x25 specific area if protocol doesn't
1382 * match, return error */ 1382 * match, return error */
1383 if (sll->sll_protocol != htons(X25_PROT)) 1383 if (sll->sll_protocol != htons(X25_PROT))
1384 return -EINVAL; 1384 return -EINVAL;
1385 1385
1386 /* Find a free device 1386 /* Find a free device
1387 */ 1387 */
1388 dev = wanpipe_find_free_dev(card); 1388 dev = wanpipe_find_free_dev(card);
1389 if (dev == NULL){ 1389 if (dev == NULL){
@@ -1392,9 +1392,9 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
1392 return -EINVAL; 1392 return -EINVAL;
1393 } 1393 }
1394 }else{ 1394 }else{
1395 /* Bind a socket to a interface name 1395 /* Bind a socket to a interface name
1396 * This is used by PVC mostly 1396 * This is used by PVC mostly
1397 */ 1397 */
1398 strlcpy(name,sll->sll_device,sizeof(name)); 1398 strlcpy(name,sll->sll_device,sizeof(name));
1399 dev = dev_get_by_name(name); 1399 dev = dev_get_by_name(name);
1400 if (dev == NULL){ 1400 if (dev == NULL){
@@ -1419,8 +1419,8 @@ static int wanpipe_bind(struct socket *sock, struct sockaddr *uaddr, int addr_le
1419 1419
1420/*============================================================ 1420/*============================================================
1421 * get_atomic_device 1421 * get_atomic_device
1422 * 1422 *
1423 * Sets a bit atomically which indicates that 1423 * Sets a bit atomically which indicates that
1424 * the interface is taken. This avoids race conditions. 1424 * the interface is taken. This avoids race conditions.
1425 *===========================================================*/ 1425 *===========================================================*/
1426 1426
@@ -1436,7 +1436,7 @@ static inline int get_atomic_device(struct net_device *dev)
1436 1436
1437/*============================================================ 1437/*============================================================
1438 * check_dev 1438 * check_dev
1439 * 1439 *
1440 * Check that device name belongs to a particular card. 1440 * Check that device name belongs to a particular card.
1441 *===========================================================*/ 1441 *===========================================================*/
1442 1442
@@ -1446,8 +1446,8 @@ static int check_dev(struct net_device *dev, sdla_t *card)
1446 1446
1447 for (tmp_dev = card->wandev.dev; tmp_dev; 1447 for (tmp_dev = card->wandev.dev; tmp_dev;
1448 tmp_dev = *((struct net_device **)tmp_dev->priv)) { 1448 tmp_dev = *((struct net_device **)tmp_dev->priv)) {
1449 if (tmp_dev->ifindex == dev->ifindex){ 1449 if (tmp_dev->ifindex == dev->ifindex){
1450 return 0; 1450 return 0;
1451 } 1451 }
1452 } 1452 }
1453 return 1; 1453 return 1;
@@ -1455,7 +1455,7 @@ static int check_dev(struct net_device *dev, sdla_t *card)
1455 1455
1456/*============================================================ 1456/*============================================================
1457 * wanpipe_find_free_dev 1457 * wanpipe_find_free_dev
1458 * 1458 *
1459 * Find a free network interface. If found set atomic 1459 * Find a free network interface. If found set atomic
1460 * bit indicating that the interface is taken. 1460 * bit indicating that the interface is taken.
1461 * X25API Specific. 1461 * X25API Specific.
@@ -1468,12 +1468,12 @@ struct net_device *wanpipe_find_free_dev(sdla_t *card)
1468 1468
1469 if (test_and_set_bit(0,&find_free_critical)){ 1469 if (test_and_set_bit(0,&find_free_critical)){
1470 printk(KERN_INFO "CRITICAL in Find Free\n"); 1470 printk(KERN_INFO "CRITICAL in Find Free\n");
1471 } 1471 }
1472 1472
1473 for (dev = card->wandev.dev; dev; 1473 for (dev = card->wandev.dev; dev;
1474 dev = *((struct net_device **)dev->priv)) { 1474 dev = *((struct net_device **)dev->priv)) {
1475 chan = dev->priv; 1475 chan = dev->priv;
1476 if (!chan) 1476 if (!chan)
1477 continue; 1477 continue;
1478 if (chan->usedby == API && chan->svc){ 1478 if (chan->usedby == API && chan->svc){
1479 if (!get_atomic_device (dev)){ 1479 if (!get_atomic_device (dev)){
@@ -1492,16 +1492,16 @@ struct net_device *wanpipe_find_free_dev(sdla_t *card)
1492 1492
1493/*============================================================ 1493/*============================================================
1494 * wanpipe_create 1494 * wanpipe_create
1495 * 1495 *
1496 * SOCKET() System call. It allocates a sock structure 1496 * SOCKET() System call. It allocates a sock structure
1497 * and adds the socket to the wanpipe_sk_list. 1497 * and adds the socket to the wanpipe_sk_list.
1498 * Crates AF_WANPIPE socket. 1498 * Crates AF_WANPIPE socket.
1499 *===========================================================*/ 1499 *===========================================================*/
1500 1500
1501static int wanpipe_create(struct socket *sock, int protocol) 1501static int wanpipe_create(struct socket *sock, int protocol)
1502{ 1502{
1503 struct sock *sk; 1503 struct sock *sk;
1504 1504
1505 //FIXME: This checks for root user, SECURITY ? 1505 //FIXME: This checks for root user, SECURITY ?
1506 //if (!capable(CAP_NET_RAW)) 1506 //if (!capable(CAP_NET_RAW))
1507 // return -EPERM; 1507 // return -EPERM;
@@ -1526,7 +1526,7 @@ static int wanpipe_create(struct socket *sock, int protocol)
1526 sk->sk_bound_dev_if = 0; 1526 sk->sk_bound_dev_if = 0;
1527 1527
1528 atomic_inc(&wanpipe_socks_nr); 1528 atomic_inc(&wanpipe_socks_nr);
1529 1529
1530 /* We must disable interrupts because the ISR 1530 /* We must disable interrupts because the ISR
1531 * can also change the list */ 1531 * can also change the list */
1532 set_bit(1,&wanpipe_tx_critical); 1532 set_bit(1,&wanpipe_tx_critical);
@@ -1541,8 +1541,8 @@ static int wanpipe_create(struct socket *sock, int protocol)
1541 1541
1542/*============================================================ 1542/*============================================================
1543 * wanpipe_recvmsg 1543 * wanpipe_recvmsg
1544 * 1544 *
1545 * Pull a packet from our receive queue and hand it 1545 * Pull a packet from our receive queue and hand it
1546 * to the user. If necessary we block. 1546 * to the user. If necessary we block.
1547 *===========================================================*/ 1547 *===========================================================*/
1548 1548
@@ -1570,13 +1570,13 @@ static int wanpipe_recvmsg(struct kiocb *iocb, struct socket *sock,
1570 * but then it will block. 1570 * but then it will block.
1571 */ 1571 */
1572 1572
1573 if (flags & MSG_OOB){ 1573 if (flags & MSG_OOB){
1574 skb = skb_dequeue(&sk->sk_error_queue); 1574 skb = skb_dequeue(&sk->sk_error_queue);
1575 }else{ 1575 }else{
1576 skb=skb_recv_datagram(sk,flags,1,&err); 1576 skb=skb_recv_datagram(sk,flags,1,&err);
1577 } 1577 }
1578 /* 1578 /*
1579 * An error occurred so return it. Because skb_recv_datagram() 1579 * An error occurred so return it. Because skb_recv_datagram()
1580 * handles the blocking we don't see and worry about blocking 1580 * handles the blocking we don't see and worry about blocking
1581 * retries. 1581 * retries.
1582 */ 1582 */
@@ -1602,9 +1602,9 @@ static int wanpipe_recvmsg(struct kiocb *iocb, struct socket *sock,
1602 err = memcpy_toiovec(msg->msg_iov, skb->data, copied); 1602 err = memcpy_toiovec(msg->msg_iov, skb->data, copied);
1603 if (err) 1603 if (err)
1604 goto out_free; 1604 goto out_free;
1605 1605
1606 sock_recv_timestamp(msg, sk, skb); 1606 sock_recv_timestamp(msg, sk, skb);
1607 1607
1608 if (msg->msg_name) 1608 if (msg->msg_name)
1609 memcpy(msg->msg_name, skb->cb, msg->msg_namelen); 1609 memcpy(msg->msg_name, skb->cb, msg->msg_namelen);
1610 1610
@@ -1623,13 +1623,13 @@ out:
1623 1623
1624/*============================================================ 1624/*============================================================
1625 * wanpipe_wakeup_driver 1625 * wanpipe_wakeup_driver
1626 * 1626 *
1627 * If socket receive buffer is full and driver cannot 1627 * If socket receive buffer is full and driver cannot
1628 * pass data up the sock, it sets a packet_block flag. 1628 * pass data up the sock, it sets a packet_block flag.
1629 * This function check that flag and if sock receive 1629 * This function check that flag and if sock receive
1630 * queue has room it kicks the driver BH handler. 1630 * queue has room it kicks the driver BH handler.
1631 * 1631 *
1632 * This way, driver doesn't have to poll the sock 1632 * This way, driver doesn't have to poll the sock
1633 * receive queue. 1633 * receive queue.
1634 *===========================================================*/ 1634 *===========================================================*/
1635 1635
@@ -1646,8 +1646,8 @@ static void wanpipe_wakeup_driver(struct sock *sk)
1646 1646
1647 if ((chan = dev->priv) == NULL) 1647 if ((chan = dev->priv) == NULL)
1648 return; 1648 return;
1649 1649
1650 if (atomic_read(&chan->receive_block)){ 1650 if (atomic_read(&chan->receive_block)){
1651 if (atomic_read(&sk->sk_rmem_alloc) < 1651 if (atomic_read(&sk->sk_rmem_alloc) <
1652 ((unsigned)sk->sk_rcvbuf * 0.9)) { 1652 ((unsigned)sk->sk_rcvbuf * 0.9)) {
1653 printk(KERN_INFO "wansock: Queuing task for wanpipe\n"); 1653 printk(KERN_INFO "wansock: Queuing task for wanpipe\n");
@@ -1655,13 +1655,13 @@ static void wanpipe_wakeup_driver(struct sock *sk)
1655 wanpipe_queue_tq(&chan->wanpipe_task); 1655 wanpipe_queue_tq(&chan->wanpipe_task);
1656 wanpipe_mark_bh(); 1656 wanpipe_mark_bh();
1657 } 1657 }
1658 } 1658 }
1659} 1659}
1660 1660
1661/*============================================================ 1661/*============================================================
1662 * wanpipe_getname 1662 * wanpipe_getname
1663 * 1663 *
1664 * I don't know what to do with this yet. 1664 * I don't know what to do with this yet.
1665 * User can use this function to get sock address 1665 * User can use this function to get sock address
1666 * information. Not very useful for Sangoma's purposes. 1666 * information. Not very useful for Sangoma's purposes.
1667 *===========================================================*/ 1667 *===========================================================*/
@@ -1687,17 +1687,17 @@ static int wanpipe_getname(struct socket *sock, struct sockaddr *uaddr,
1687 sll->sll_halen = 0; 1687 sll->sll_halen = 0;
1688 } 1688 }
1689 *uaddr_len = sizeof(*sll); 1689 *uaddr_len = sizeof(*sll);
1690 1690
1691 dev_put(dev); 1691 dev_put(dev);
1692 1692
1693 return 0; 1693 return 0;
1694} 1694}
1695 1695
1696/*============================================================ 1696/*============================================================
1697 * wanpipe_notifier 1697 * wanpipe_notifier
1698 * 1698 *
1699 * If driver turns off network interface, this function 1699 * If driver turns off network interface, this function
1700 * will be envoked. Currently I treate it as a 1700 * will be envoked. Currently I treate it as a
1701 * call disconnect. More thought should go into this 1701 * call disconnect. More thought should go into this
1702 * function. 1702 * function.
1703 * 1703 *
@@ -1718,7 +1718,7 @@ static int wanpipe_notifier(struct notifier_block *this, unsigned long msg, void
1718 continue; 1718 continue;
1719 if (dev == NULL) 1719 if (dev == NULL)
1720 continue; 1720 continue;
1721 1721
1722 switch (msg) { 1722 switch (msg) {
1723 case NETDEV_DOWN: 1723 case NETDEV_DOWN:
1724 case NETDEV_UNREGISTER: 1724 case NETDEV_UNREGISTER:
@@ -1732,7 +1732,7 @@ static int wanpipe_notifier(struct notifier_block *this, unsigned long msg, void
1732 1732
1733 if (msg == NETDEV_UNREGISTER) { 1733 if (msg == NETDEV_UNREGISTER) {
1734 printk(KERN_INFO "wansock: Unregistering Device: %s\n", 1734 printk(KERN_INFO "wansock: Unregistering Device: %s\n",
1735 dev->name); 1735 dev->name);
1736 wanpipe_unlink_driver(sk); 1736 wanpipe_unlink_driver(sk);
1737 sk->sk_bound_dev_if = 0; 1737 sk->sk_bound_dev_if = 0;
1738 } 1738 }
@@ -1753,7 +1753,7 @@ static int wanpipe_notifier(struct notifier_block *this, unsigned long msg, void
1753 1753
1754/*============================================================ 1754/*============================================================
1755 * wanpipe_ioctl 1755 * wanpipe_ioctl
1756 * 1756 *
1757 * Execute a user commands, and set socket options. 1757 * Execute a user commands, and set socket options.
1758 * 1758 *
1759 * FIXME: More thought should go into this function. 1759 * FIXME: More thought should go into this function.
@@ -1765,7 +1765,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
1765 struct sock *sk = sock->sk; 1765 struct sock *sk = sock->sk;
1766 int err; 1766 int err;
1767 1767
1768 switch(cmd) 1768 switch(cmd)
1769 { 1769 {
1770 case SIOCGSTAMP: 1770 case SIOCGSTAMP:
1771 return sock_get_timestamp(sk, (struct timeval __user *)arg); 1771 return sock_get_timestamp(sk, (struct timeval __user *)arg);
@@ -1778,7 +1778,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
1778 1778
1779 if (sk->sk_state == WANSOCK_CONNECTED) 1779 if (sk->sk_state == WANSOCK_CONNECTED)
1780 return 0; 1780 return 0;
1781 1781
1782 return 1; 1782 return 1;
1783 1783
1784 1784
@@ -1804,7 +1804,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
1804 case SIOC_WANPIPE_DEBUG: 1804 case SIOC_WANPIPE_DEBUG:
1805 1805
1806 return wanpipe_debug(sk,(void*)arg); 1806 return wanpipe_debug(sk,(void*)arg);
1807 1807
1808 case SIOC_WANPIPE_SET_NONBLOCK: 1808 case SIOC_WANPIPE_SET_NONBLOCK:
1809 1809
1810 if (sk->sk_state != WANSOCK_DISCONNECTED) 1810 if (sk->sk_state != WANSOCK_DISCONNECTED)
@@ -1812,7 +1812,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
1812 1812
1813 sock->file->f_flags |= O_NONBLOCK; 1813 sock->file->f_flags |= O_NONBLOCK;
1814 return 0; 1814 return 0;
1815 1815
1816#ifdef CONFIG_INET 1816#ifdef CONFIG_INET
1817 case SIOCADDRT: 1817 case SIOCADDRT:
1818 case SIOCDELRT: 1818 case SIOCDELRT:
@@ -1842,7 +1842,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
1842 1842
1843/*============================================================ 1843/*============================================================
1844 * wanpipe_debug 1844 * wanpipe_debug
1845 * 1845 *
1846 * This function will pass up information about all 1846 * This function will pass up information about all
1847 * active sockets. 1847 * active sockets.
1848 * 1848 *
@@ -1893,49 +1893,49 @@ static int wanpipe_debug (struct sock *origsk, void *arg)
1893 1893
1894 if (sk->sk_bound_dev_if) { 1894 if (sk->sk_bound_dev_if) {
1895 dev = dev_get_by_index(sk->sk_bound_dev_if); 1895 dev = dev_get_by_index(sk->sk_bound_dev_if);
1896 if (!dev) 1896 if (!dev)
1897 continue; 1897 continue;
1898 1898
1899 chan=dev->priv; 1899 chan=dev->priv;
1900 dev_put(dev); 1900 dev_put(dev);
1901 1901
1902 if ((err=put_user(chan->state, &dbg_data->debug[cnt].d_state))) 1902 if ((err=put_user(chan->state, &dbg_data->debug[cnt].d_state)))
1903 return err; 1903 return err;
1904 if ((err=put_user(chan->svc, &dbg_data->debug[cnt].svc))) 1904 if ((err=put_user(chan->svc, &dbg_data->debug[cnt].svc)))
1905 return err; 1905 return err;
1906 1906
1907 if ((err=put_user(atomic_read(&chan->command), 1907 if ((err=put_user(atomic_read(&chan->command),
1908 &dbg_data->debug[cnt].command))) 1908 &dbg_data->debug[cnt].command)))
1909 return err; 1909 return err;
1910 1910
1911 1911
1912 if (wp){ 1912 if (wp){
1913 sdla_t *card = (sdla_t*)wp->card; 1913 sdla_t *card = (sdla_t*)wp->card;
1914 1914
1915 if (card){ 1915 if (card){
1916 if ((err=put_user(atomic_read(&card->u.x.command_busy), 1916 if ((err=put_user(atomic_read(&card->u.x.command_busy),
1917 &dbg_data->debug[cnt].cmd_busy))) 1917 &dbg_data->debug[cnt].cmd_busy)))
1918 return err; 1918 return err;
1919 } 1919 }
1920 1920
1921 if ((err=put_user(wp->lcn, 1921 if ((err=put_user(wp->lcn,
1922 &dbg_data->debug[cnt].lcn))) 1922 &dbg_data->debug[cnt].lcn)))
1923 return err; 1923 return err;
1924 1924
1925 if (wp->mbox) { 1925 if (wp->mbox) {
1926 if ((err=put_user(1, &dbg_data->debug[cnt].mbox))) 1926 if ((err=put_user(1, &dbg_data->debug[cnt].mbox)))
1927 return err; 1927 return err;
1928 } 1928 }
1929 } 1929 }
1930 1930
1931 if ((err=put_user(atomic_read(&chan->receive_block), 1931 if ((err=put_user(atomic_read(&chan->receive_block),
1932 &dbg_data->debug[cnt].rblock))) 1932 &dbg_data->debug[cnt].rblock)))
1933 return err; 1933 return err;
1934 1934
1935 if (copy_to_user(dbg_data->debug[cnt].name, dev->name, strlen(dev->name))) 1935 if (copy_to_user(dbg_data->debug[cnt].name, dev->name, strlen(dev->name)))
1936 return -EFAULT; 1936 return -EFAULT;
1937 } 1937 }
1938 1938
1939 if (++cnt == MAX_NUM_DEBUG) 1939 if (++cnt == MAX_NUM_DEBUG)
1940 break; 1940 break;
1941 } 1941 }
@@ -1944,7 +1944,7 @@ static int wanpipe_debug (struct sock *origsk, void *arg)
1944 1944
1945/*============================================================ 1945/*============================================================
1946 * get_ioctl_cmd 1946 * get_ioctl_cmd
1947 * 1947 *
1948 * Pass up the contents of socket MBOX to the user. 1948 * Pass up the contents of socket MBOX to the user.
1949 *===========================================================*/ 1949 *===========================================================*/
1950 1950
@@ -1974,7 +1974,7 @@ static int get_ioctl_cmd (struct sock *sk, void *arg)
1974 if ((err=put_user(mbox_ptr->cmd.result, &usr_data->hdr.result))) 1974 if ((err=put_user(mbox_ptr->cmd.result, &usr_data->hdr.result)))
1975 return err; 1975 return err;
1976 if ((err=put_user(mbox_ptr->cmd.lcn, &usr_data->hdr.lcn))) 1976 if ((err=put_user(mbox_ptr->cmd.lcn, &usr_data->hdr.lcn)))
1977 return err; 1977 return err;
1978 1978
1979 if (mbox_ptr->cmd.length > 0){ 1979 if (mbox_ptr->cmd.length > 0){
1980 if (mbox_ptr->cmd.length > X25_MAX_DATA) 1980 if (mbox_ptr->cmd.length > X25_MAX_DATA)
@@ -1986,13 +1986,13 @@ static int get_ioctl_cmd (struct sock *sk, void *arg)
1986 } 1986 }
1987 } 1987 }
1988 return 0; 1988 return 0;
1989} 1989}
1990 1990
1991/*============================================================ 1991/*============================================================
1992 * set_ioctl_cmd 1992 * set_ioctl_cmd
1993 * 1993 *
1994 * Before command can be execute, socket MBOX must 1994 * Before command can be execute, socket MBOX must
1995 * be created, and initialized with user data. 1995 * be created, and initialized with user data.
1996 *===========================================================*/ 1996 *===========================================================*/
1997 1997
1998static int set_ioctl_cmd (struct sock *sk, void *arg) 1998static int set_ioctl_cmd (struct sock *sk, void *arg)
@@ -2008,7 +2008,7 @@ static int set_ioctl_cmd (struct sock *sk, void *arg)
2008 return -ENODEV; 2008 return -ENODEV;
2009 2009
2010 dev_put(dev); 2010 dev_put(dev);
2011 2011
2012 if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL) 2012 if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL)
2013 return -ENOMEM; 2013 return -ENOMEM;
2014 2014
@@ -2092,12 +2092,12 @@ unsigned int wanpipe_poll(struct file * file, struct socket *sock, poll_table *w
2092 return mask; 2092 return mask;
2093 } 2093 }
2094 2094
2095 /* This check blocks the user process if there is 2095 /* This check blocks the user process if there is
2096 * a packet already queued in the socket write queue. 2096 * a packet already queued in the socket write queue.
2097 * This option is only for X25API protocol, for other 2097 * This option is only for X25API protocol, for other
2098 * protocol like chdlc enable streaming mode, 2098 * protocol like chdlc enable streaming mode,
2099 * where multiple packets can be pending in the socket 2099 * where multiple packets can be pending in the socket
2100 * transmit queue */ 2100 * transmit queue */
2101 2101
2102 if (wp_sk(sk)->num == htons(X25_PROT)) { 2102 if (wp_sk(sk)->num == htons(X25_PROT)) {
2103 if (atomic_read(&wp_sk(sk)->packet_sent)) 2103 if (atomic_read(&wp_sk(sk)->packet_sent))
@@ -2110,7 +2110,7 @@ unsigned int wanpipe_poll(struct file * file, struct socket *sock, poll_table *w
2110 }else{ 2110 }else{
2111 set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); 2111 set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
2112 } 2112 }
2113 2113
2114 return mask; 2114 return mask;
2115} 2115}
2116 2116
@@ -2125,8 +2125,8 @@ static int wanpipe_listen(struct socket *sock, int backlog)
2125{ 2125{
2126 struct sock *sk = sock->sk; 2126 struct sock *sk = sock->sk;
2127 2127
2128 /* This is x25 specific area if protocol doesn't 2128 /* This is x25 specific area if protocol doesn't
2129 * match, return error */ 2129 * match, return error */
2130 if (wp_sk(sk)->num != htons(X25_PROT)) 2130 if (wp_sk(sk)->num != htons(X25_PROT))
2131 return -EINVAL; 2131 return -EINVAL;
2132 2132
@@ -2163,7 +2163,7 @@ static int wanpipe_link_card (struct sock *sk)
2163 card->sk=sk; 2163 card->sk=sk;
2164 card->func=wanpipe_listen_rcv; 2164 card->func=wanpipe_listen_rcv;
2165 sock_set_flag(sk, SOCK_ZAPPED); 2165 sock_set_flag(sk, SOCK_ZAPPED);
2166 2166
2167 return 0; 2167 return 0;
2168} 2168}
2169 2169
@@ -2176,7 +2176,7 @@ static int wanpipe_link_card (struct sock *sk)
2176 2176
2177static void wanpipe_unlink_card (struct sock *sk) 2177static void wanpipe_unlink_card (struct sock *sk)
2178{ 2178{
2179 sdla_t *card = (sdla_t*)wp_sk(sk)->card; 2179 sdla_t *card = (sdla_t*)wp_sk(sk)->card;
2180 2180
2181 if (card){ 2181 if (card){
2182 card->sk=NULL; 2182 card->sk=NULL;
@@ -2202,9 +2202,9 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2202 printk(KERN_INFO "NO MBOX PTR !!!!!\n"); 2202 printk(KERN_INFO "NO MBOX PTR !!!!!\n");
2203 return -EINVAL; 2203 return -EINVAL;
2204 } 2204 }
2205 2205
2206 /* This is x25 specific area if protocol doesn't 2206 /* This is x25 specific area if protocol doesn't
2207 * match, return error */ 2207 * match, return error */
2208 if (wp->num != htons(X25_PROT)) 2208 if (wp->num != htons(X25_PROT))
2209 return -EINVAL; 2209 return -EINVAL;
2210 2210
@@ -2217,17 +2217,17 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2217 err = -EHOSTDOWN; 2217 err = -EHOSTDOWN;
2218 break; 2218 break;
2219 } 2219 }
2220 2220
2221 err = execute_command(sk,X25_ACCEPT_CALL,0); 2221 err = execute_command(sk,X25_ACCEPT_CALL,0);
2222 if (err < 0) 2222 if (err < 0)
2223 break; 2223 break;
2224 2224
2225 /* Update. Mar6 2000. 2225 /* Update. Mar6 2000.
2226 * Do not set the sock lcn number here, since 2226 * Do not set the sock lcn number here, since
2227 * it is done in wanpipe_listen_rcv(). 2227 * it is done in wanpipe_listen_rcv().
2228 */ 2228 */
2229 if (sk->sk_state == WANSOCK_CONNECTED) { 2229 if (sk->sk_state == WANSOCK_CONNECTED) {
2230 wp->lcn = ((mbox_cmd_t*)wp->mbox)->cmd.lcn; 2230 wp->lcn = ((mbox_cmd_t*)wp->mbox)->cmd.lcn;
2231 DBG_PRINTK(KERN_INFO "\nwansock: Accept OK %i\n", 2231 DBG_PRINTK(KERN_INFO "\nwansock: Accept OK %i\n",
2232 wp->lcn); 2232 wp->lcn);
2233 err = 0; 2233 err = 0;
@@ -2249,15 +2249,15 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2249 2249
2250 2250
2251 /* Check if data buffers are pending for transmission, 2251 /* Check if data buffers are pending for transmission,
2252 * if so, check whether user wants to wait until data 2252 * if so, check whether user wants to wait until data
2253 * is transmitted, or clear a call and drop packets */ 2253 * is transmitted, or clear a call and drop packets */
2254 2254
2255 if (atomic_read(&sk->sk_wmem_alloc) || 2255 if (atomic_read(&sk->sk_wmem_alloc) ||
2256 check_driver_busy(sk)) { 2256 check_driver_busy(sk)) {
2257 mbox_cmd_t *mbox = wp->mbox; 2257 mbox_cmd_t *mbox = wp->mbox;
2258 if (mbox->cmd.qdm & 0x80){ 2258 if (mbox->cmd.qdm & 0x80){
2259 mbox->cmd.result = 0x35; 2259 mbox->cmd.result = 0x35;
2260 err = -EAGAIN; 2260 err = -EAGAIN;
2261 break; 2261 break;
2262 } 2262 }
2263 } 2263 }
@@ -2286,15 +2286,15 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2286 2286
2287 2287
2288 /* Check if data buffers are pending for transmission, 2288 /* Check if data buffers are pending for transmission,
2289 * if so, check whether user wants to wait until data 2289 * if so, check whether user wants to wait until data
2290 * is transmitted, or reset a call and drop packets */ 2290 * is transmitted, or reset a call and drop packets */
2291 2291
2292 if (atomic_read(&sk->sk_wmem_alloc) || 2292 if (atomic_read(&sk->sk_wmem_alloc) ||
2293 check_driver_busy(sk)) { 2293 check_driver_busy(sk)) {
2294 mbox_cmd_t *mbox = wp->mbox; 2294 mbox_cmd_t *mbox = wp->mbox;
2295 if (mbox->cmd.qdm & 0x80){ 2295 if (mbox->cmd.qdm & 0x80){
2296 mbox->cmd.result = 0x35; 2296 mbox->cmd.result = 0x35;
2297 err = -EAGAIN; 2297 err = -EAGAIN;
2298 break; 2298 break;
2299 } 2299 }
2300 } 2300 }
@@ -2316,7 +2316,7 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2316 2316
2317 if (sk->sk_state == WANSOCK_CONNECTED) { 2317 if (sk->sk_state == WANSOCK_CONNECTED) {
2318 2318
2319 wp->lcn = ((mbox_cmd_t*)wp->mbox)->cmd.lcn; 2319 wp->lcn = ((mbox_cmd_t*)wp->mbox)->cmd.lcn;
2320 2320
2321 DBG_PRINTK(KERN_INFO "\nwansock: PLACE CALL OK %i\n", 2321 DBG_PRINTK(KERN_INFO "\nwansock: PLACE CALL OK %i\n",
2322 wp->lcn); 2322 wp->lcn);
@@ -2337,7 +2337,7 @@ static int wanpipe_exec_cmd(struct sock *sk, int cmd, unsigned int flags)
2337 2337
2338 break; 2338 break;
2339 2339
2340 default: 2340 default:
2341 return -EINVAL; 2341 return -EINVAL;
2342 } 2342 }
2343 2343
@@ -2364,9 +2364,9 @@ static int check_driver_busy (struct sock *sk)
2364/*====================================================================== 2364/*======================================================================
2365 * wanpipe_accept 2365 * wanpipe_accept
2366 * 2366 *
2367 * ACCEPT() System call. X25API Specific function. 2367 * ACCEPT() System call. X25API Specific function.
2368 * For each incoming call, create a new socket and 2368 * For each incoming call, create a new socket and
2369 * return it to the user. 2369 * return it to the user.
2370 *=====================================================================*/ 2370 *=====================================================================*/
2371 2371
2372static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags) 2372static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags)
@@ -2378,10 +2378,10 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
2378 int err=0; 2378 int err=0;
2379 2379
2380 if (newsock->sk != NULL){ 2380 if (newsock->sk != NULL){
2381 wanpipe_kill_sock_accept(newsock->sk); 2381 wanpipe_kill_sock_accept(newsock->sk);
2382 newsock->sk=NULL; 2382 newsock->sk=NULL;
2383 } 2383 }
2384 2384
2385 if ((sk = sock->sk) == NULL) 2385 if ((sk = sock->sk) == NULL)
2386 return -EINVAL; 2386 return -EINVAL;
2387 2387
@@ -2410,10 +2410,10 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
2410 } 2410 }
2411 current->state = TASK_RUNNING; 2411 current->state = TASK_RUNNING;
2412 remove_wait_queue(sk->sk_sleep,&wait); 2412 remove_wait_queue(sk->sk_sleep,&wait);
2413 2413
2414 if (err != 0) 2414 if (err != 0)
2415 return err; 2415 return err;
2416 2416
2417 newsk = get_newsk_from_skb(skb); 2417 newsk = get_newsk_from_skb(skb);
2418 if (!newsk){ 2418 if (!newsk){
2419 return -EINVAL; 2419 return -EINVAL;
@@ -2431,7 +2431,7 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
2431 /* Now attach up the new socket */ 2431 /* Now attach up the new socket */
2432 sk->sk_ack_backlog--; 2432 sk->sk_ack_backlog--;
2433 newsock->sk = newsk; 2433 newsock->sk = newsk;
2434 2434
2435 kfree_skb(skb); 2435 kfree_skb(skb);
2436 2436
2437 DBG_PRINTK(KERN_INFO "\nwansock: ACCEPT Got LCN %i\n", 2437 DBG_PRINTK(KERN_INFO "\nwansock: ACCEPT Got LCN %i\n",
@@ -2449,16 +2449,16 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
2449struct sock * get_newsk_from_skb (struct sk_buff *skb) 2449struct sock * get_newsk_from_skb (struct sk_buff *skb)
2450{ 2450{
2451 struct net_device *dev = skb->dev; 2451 struct net_device *dev = skb->dev;
2452 wanpipe_common_t *chan; 2452 wanpipe_common_t *chan;
2453 2453
2454 if (!dev){ 2454 if (!dev){
2455 return NULL; 2455 return NULL;
2456 } 2456 }
2457 2457
2458 if ((chan = dev->priv) == NULL){ 2458 if ((chan = dev->priv) == NULL){
2459 return NULL; 2459 return NULL;
2460 } 2460 }
2461 2461
2462 if (!chan->sk){ 2462 if (!chan->sk){
2463 return NULL; 2463 return NULL;
2464 } 2464 }
@@ -2470,7 +2470,7 @@ struct sock * get_newsk_from_skb (struct sk_buff *skb)
2470 * 2470 *
2471 * CONNECT() System Call. X25API specific function 2471 * CONNECT() System Call. X25API specific function
2472 * Check the state of the sock, and execute PLACE_CALL command. 2472 * Check the state of the sock, and execute PLACE_CALL command.
2473 * Connect can ether block or return without waiting for connection, 2473 * Connect can ether block or return without waiting for connection,
2474 * if specified by user. 2474 * if specified by user.
2475 *=====================================================================*/ 2475 *=====================================================================*/
2476 2476
@@ -2492,7 +2492,7 @@ static int wanpipe_connect(struct socket *sock, struct sockaddr *uaddr, int addr
2492 return -ECONNREFUSED; 2492 return -ECONNREFUSED;
2493 } 2493 }
2494 2494
2495 sk->sk_state = WANSOCK_DISCONNECTED; 2495 sk->sk_state = WANSOCK_DISCONNECTED;
2496 sock->state = SS_UNCONNECTED; 2496 sock->state = SS_UNCONNECTED;
2497 2497
2498 if (addr_len != sizeof(struct wan_sockaddr_ll)) 2498 if (addr_len != sizeof(struct wan_sockaddr_ll))
@@ -2505,7 +2505,7 @@ static int wanpipe_connect(struct socket *sock, struct sockaddr *uaddr, int addr
2505 return -ENETUNREACH; 2505 return -ENETUNREACH;
2506 2506
2507 dev_put(dev); 2507 dev_put(dev);
2508 2508
2509 if (!sock_flag(sk, SOCK_ZAPPED)) /* Must bind first - autobinding does not work */ 2509 if (!sock_flag(sk, SOCK_ZAPPED)) /* Must bind first - autobinding does not work */
2510 return -EINVAL; 2510 return -EINVAL;
2511 2511
@@ -2534,7 +2534,7 @@ static int wanpipe_connect(struct socket *sock, struct sockaddr *uaddr, int addr
2534 2534
2535 if (sk->sk_state != WANSOCK_CONNECTED) { 2535 if (sk->sk_state != WANSOCK_CONNECTED) {
2536 sock->state = SS_UNCONNECTED; 2536 sock->state = SS_UNCONNECTED;
2537 return -ECONNREFUSED; 2537 return -ECONNREFUSED;
2538 } 2538 }
2539 2539
2540 sock->state = SS_CONNECTED; 2540 sock->state = SS_CONNECTED;
@@ -2549,10 +2549,10 @@ const struct proto_ops wanpipe_ops = {
2549 .connect = wanpipe_connect, 2549 .connect = wanpipe_connect,
2550 .socketpair = sock_no_socketpair, 2550 .socketpair = sock_no_socketpair,
2551 .accept = wanpipe_accept, 2551 .accept = wanpipe_accept,
2552 .getname = wanpipe_getname, 2552 .getname = wanpipe_getname,
2553 .poll = wanpipe_poll, 2553 .poll = wanpipe_poll,
2554 .ioctl = wanpipe_ioctl, 2554 .ioctl = wanpipe_ioctl,
2555 .listen = wanpipe_listen, 2555 .listen = wanpipe_listen,
2556 .shutdown = sock_no_shutdown, 2556 .shutdown = sock_no_shutdown,
2557 .setsockopt = sock_no_setsockopt, 2557 .setsockopt = sock_no_setsockopt,
2558 .getsockopt = sock_no_getsockopt, 2558 .getsockopt = sock_no_getsockopt,
diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c
index 4d90a179aeda..5d2d93dc0837 100644
--- a/net/wanrouter/wanmain.c
+++ b/net/wanrouter/wanmain.c
@@ -314,10 +314,10 @@ __be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev)
314 cnt += 1; 314 cnt += 1;
315 break; 315 break;
316 316
317 case NLPID_SNAP: /* SNAP encapsulation */ 317 case NLPID_SNAP: /* SNAP encapsulation */
318 if (memcmp(&skb->data[cnt + 1], wanrouter_oui_ether, 318 if (memcmp(&skb->data[cnt + 1], wanrouter_oui_ether,
319 sizeof(wanrouter_oui_ether))){ 319 sizeof(wanrouter_oui_ether))){
320 printk(KERN_INFO 320 printk(KERN_INFO
321 "%s: unsupported SNAP OUI %02X-%02X-%02X " 321 "%s: unsupported SNAP OUI %02X-%02X-%02X "
322 "on interface %s!\n", wanrouter_modname, 322 "on interface %s!\n", wanrouter_modname,
323 skb->data[cnt+1], skb->data[cnt+2], 323 skb->data[cnt+1], skb->data[cnt+2],
@@ -450,7 +450,7 @@ static int wanrouter_device_setup(struct wan_device *wandev,
450 kfree(conf); 450 kfree(conf);
451 printk(KERN_INFO "%s: ERROR, Invalid MAGIC Number\n", 451 printk(KERN_INFO "%s: ERROR, Invalid MAGIC Number\n",
452 wandev->name); 452 wandev->name);
453 return -EINVAL; 453 return -EINVAL;
454 } 454 }
455 455
456 if (conf->data_size && conf->data) { 456 if (conf->data_size && conf->data) {
@@ -459,13 +459,13 @@ static int wanrouter_device_setup(struct wan_device *wandev,
459 "%s: ERROR, Invalid firmware data size %i !\n", 459 "%s: ERROR, Invalid firmware data size %i !\n",
460 wandev->name, conf->data_size); 460 wandev->name, conf->data_size);
461 kfree(conf); 461 kfree(conf);
462 return -EINVAL; 462 return -EINVAL;
463 } 463 }
464 464
465 data = vmalloc(conf->data_size); 465 data = vmalloc(conf->data_size);
466 if (!data) { 466 if (!data) {
467 printk(KERN_INFO 467 printk(KERN_INFO
468 "%s: ERROR, Faild allocate kernel memory !\n", 468 "%s: ERROR, Faild allocate kernel memory !\n",
469 wandev->name); 469 wandev->name);
470 kfree(conf); 470 kfree(conf);
471 return -ENOBUFS; 471 return -ENOBUFS;
@@ -686,7 +686,7 @@ out:
686static int wanrouter_device_del_if(struct wan_device *wandev, char __user *u_name) 686static int wanrouter_device_del_if(struct wan_device *wandev, char __user *u_name)
687{ 687{
688 char name[WAN_IFNAME_SZ + 1]; 688 char name[WAN_IFNAME_SZ + 1];
689 int err = 0; 689 int err = 0;
690 690
691 if (wandev->state == WAN_UNCONFIGURED) 691 if (wandev->state == WAN_UNCONFIGURED)
692 return -ENODEV; 692 return -ENODEV;
@@ -709,8 +709,8 @@ static int wanrouter_device_del_if(struct wan_device *wandev, char __user *u_nam
709 * interfaces are deleted and the link irrecoverably disconnected. 709 * interfaces are deleted and the link irrecoverably disconnected.
710 */ 710 */
711 711
712 if (!wandev->ndev && wandev->shutdown) 712 if (!wandev->ndev && wandev->shutdown)
713 err = wandev->shutdown(wandev); 713 err = wandev->shutdown(wandev);
714 714
715 return err; 715 return err;
716} 716}
@@ -804,7 +804,7 @@ static int wanrouter_delete_interface(struct wan_device *wandev, char *name)
804 804
805static void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags) 805static void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags)
806{ 806{
807 spin_lock_irqsave(lock, *smp_flags); 807 spin_lock_irqsave(lock, *smp_flags);
808} 808}
809 809
810 810
diff --git a/net/wanrouter/wanproc.c b/net/wanrouter/wanproc.c
index 930ea59463ad..abce82873604 100644
--- a/net/wanrouter/wanproc.c
+++ b/net/wanrouter/wanproc.c
@@ -37,10 +37,10 @@
37 37
38#define PROT_DECODE(prot) ((prot == WANCONFIG_FR) ? " FR" :\ 38#define PROT_DECODE(prot) ((prot == WANCONFIG_FR) ? " FR" :\
39 (prot == WANCONFIG_X25) ? " X25" : \ 39 (prot == WANCONFIG_X25) ? " X25" : \
40 (prot == WANCONFIG_PPP) ? " PPP" : \ 40 (prot == WANCONFIG_PPP) ? " PPP" : \
41 (prot == WANCONFIG_CHDLC) ? " CHDLC": \ 41 (prot == WANCONFIG_CHDLC) ? " CHDLC": \
42 (prot == WANCONFIG_MPPP) ? " MPPP" : \ 42 (prot == WANCONFIG_MPPP) ? " MPPP" : \
43 " Unknown" ) 43 " Unknown" )
44 44
45/****** Function Prototypes *************************************************/ 45/****** Function Prototypes *************************************************/
46 46