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-rw-r--r--net/atm/mpc.c575
1 files changed, 304 insertions, 271 deletions
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 38a6cb0863f0..74bcc662c3dd 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -1,5 +1,8 @@
1#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
2
1#include <linux/kernel.h> 3#include <linux/kernel.h>
2#include <linux/string.h> 4#include <linux/string.h>
5#include <linux/slab.h>
3#include <linux/timer.h> 6#include <linux/timer.h>
4#include <linux/init.h> 7#include <linux/init.h>
5#include <linux/bitops.h> 8#include <linux/bitops.h>
@@ -13,8 +16,8 @@
13#include <net/sock.h> 16#include <net/sock.h>
14#include <linux/skbuff.h> 17#include <linux/skbuff.h>
15#include <linux/ip.h> 18#include <linux/ip.h>
19#include <linux/uaccess.h>
16#include <asm/byteorder.h> 20#include <asm/byteorder.h>
17#include <asm/uaccess.h>
18#include <net/checksum.h> /* for ip_fast_csum() */ 21#include <net/checksum.h> /* for ip_fast_csum() */
19#include <net/arp.h> 22#include <net/arp.h>
20#include <net/dst.h> 23#include <net/dst.h>
@@ -36,31 +39,47 @@
36 */ 39 */
37 40
38#if 0 41#if 0
39#define dprintk printk /* debug */ 42#define dprintk(format, args...) \
43 printk(KERN_DEBUG "mpoa:%s: " format, __func__, ##args)
44#define dprintk_cont(format, args...) printk(KERN_CONT format, ##args)
40#else 45#else
41#define dprintk(format,args...) 46#define dprintk(format, args...) \
47 do { if (0) \
48 printk(KERN_DEBUG "mpoa:%s: " format, __func__, ##args);\
49 } while (0)
50#define dprintk_cont(format, args...) \
51 do { if (0) printk(KERN_CONT format, ##args); } while (0)
42#endif 52#endif
43 53
44#if 0 54#if 0
45#define ddprintk printk /* more debug */ 55#define ddprintk(format, args...) \
56 printk(KERN_DEBUG "mpoa:%s: " format, __func__, ##args)
57#define ddprintk_cont(format, args...) printk(KERN_CONT format, ##args)
46#else 58#else
47#define ddprintk(format,args...) 59#define ddprintk(format, args...) \
60 do { if (0) \
61 printk(KERN_DEBUG "mpoa:%s: " format, __func__, ##args);\
62 } while (0)
63#define ddprintk_cont(format, args...) \
64 do { if (0) printk(KERN_CONT format, ##args); } while (0)
48#endif 65#endif
49 66
50
51
52#define MPOA_TAG_LEN 4 67#define MPOA_TAG_LEN 4
53 68
54/* mpc_daemon -> kernel */ 69/* mpc_daemon -> kernel */
55static void MPOA_trigger_rcvd (struct k_message *msg, struct mpoa_client *mpc); 70static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc);
56static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc); 71static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc);
57static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc); 72static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
58static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc); 73static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc);
59static void mps_death(struct k_message *msg, struct mpoa_client *mpc); 74static void mps_death(struct k_message *msg, struct mpoa_client *mpc);
60static void clean_up(struct k_message *msg, struct mpoa_client *mpc, int action); 75static void clean_up(struct k_message *msg, struct mpoa_client *mpc,
61static void MPOA_cache_impos_rcvd(struct k_message *msg, struct mpoa_client *mpc); 76 int action);
62static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc); 77static void MPOA_cache_impos_rcvd(struct k_message *msg,
63static void set_mps_mac_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc); 78 struct mpoa_client *mpc);
79static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg,
80 struct mpoa_client *mpc);
81static void set_mps_mac_addr_rcvd(struct k_message *mesg,
82 struct mpoa_client *mpc);
64 83
65static const uint8_t *copy_macs(struct mpoa_client *mpc, 84static const uint8_t *copy_macs(struct mpoa_client *mpc,
66 const uint8_t *router_mac, 85 const uint8_t *router_mac,
@@ -74,10 +93,11 @@ static int msg_from_mpoad(struct atm_vcc *vcc, struct sk_buff *skb);
74 93
75static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb); 94static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb);
76static netdev_tx_t mpc_send_packet(struct sk_buff *skb, 95static netdev_tx_t mpc_send_packet(struct sk_buff *skb,
77 struct net_device *dev); 96 struct net_device *dev);
78static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned long event, void *dev); 97static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
98 unsigned long event, void *dev);
79static void mpc_timer_refresh(void); 99static void mpc_timer_refresh(void);
80static void mpc_cache_check( unsigned long checking_time ); 100static void mpc_cache_check(unsigned long checking_time);
81 101
82static struct llc_snap_hdr llc_snap_mpoa_ctrl = { 102static struct llc_snap_hdr llc_snap_mpoa_ctrl = {
83 0xaa, 0xaa, 0x03, 103 0xaa, 0xaa, 0x03,
@@ -167,7 +187,7 @@ struct atm_mpoa_qos *atm_mpoa_add_qos(__be32 dst_ip, struct atm_qos *qos)
167 187
168 entry = kmalloc(sizeof(struct atm_mpoa_qos), GFP_KERNEL); 188 entry = kmalloc(sizeof(struct atm_mpoa_qos), GFP_KERNEL);
169 if (entry == NULL) { 189 if (entry == NULL) {
170 printk("mpoa: atm_mpoa_add_qos: out of memory\n"); 190 pr_info("mpoa: out of memory\n");
171 return entry; 191 return entry;
172 } 192 }
173 193
@@ -185,10 +205,9 @@ struct atm_mpoa_qos *atm_mpoa_search_qos(__be32 dst_ip)
185 struct atm_mpoa_qos *qos; 205 struct atm_mpoa_qos *qos;
186 206
187 qos = qos_head; 207 qos = qos_head;
188 while( qos != NULL ){ 208 while (qos) {
189 if(qos->ipaddr == dst_ip) { 209 if (qos->ipaddr == dst_ip)
190 break; 210 break;
191 }
192 qos = qos->next; 211 qos = qos->next;
193 } 212 }
194 213
@@ -200,10 +219,10 @@ struct atm_mpoa_qos *atm_mpoa_search_qos(__be32 dst_ip)
200 */ 219 */
201int atm_mpoa_delete_qos(struct atm_mpoa_qos *entry) 220int atm_mpoa_delete_qos(struct atm_mpoa_qos *entry)
202{ 221{
203
204 struct atm_mpoa_qos *curr; 222 struct atm_mpoa_qos *curr;
205 223
206 if (entry == NULL) return 0; 224 if (entry == NULL)
225 return 0;
207 if (entry == qos_head) { 226 if (entry == qos_head) {
208 qos_head = qos_head->next; 227 qos_head = qos_head->next;
209 kfree(entry); 228 kfree(entry);
@@ -234,9 +253,17 @@ void atm_mpoa_disp_qos(struct seq_file *m)
234 253
235 while (qos != NULL) { 254 while (qos != NULL) {
236 seq_printf(m, "%pI4\n %-7d %-7d %-7d %-7d %-7d\n %-7d %-7d %-7d %-7d %-7d\n", 255 seq_printf(m, "%pI4\n %-7d %-7d %-7d %-7d %-7d\n %-7d %-7d %-7d %-7d %-7d\n",
237 &qos->ipaddr, 256 &qos->ipaddr,
238 qos->qos.txtp.max_pcr, qos->qos.txtp.pcr, qos->qos.txtp.min_pcr, qos->qos.txtp.max_cdv, qos->qos.txtp.max_sdu, 257 qos->qos.txtp.max_pcr,
239 qos->qos.rxtp.max_pcr, qos->qos.rxtp.pcr, qos->qos.rxtp.min_pcr, qos->qos.rxtp.max_cdv, qos->qos.rxtp.max_sdu); 258 qos->qos.txtp.pcr,
259 qos->qos.txtp.min_pcr,
260 qos->qos.txtp.max_cdv,
261 qos->qos.txtp.max_sdu,
262 qos->qos.rxtp.max_pcr,
263 qos->qos.rxtp.pcr,
264 qos->qos.rxtp.min_pcr,
265 qos->qos.rxtp.max_cdv,
266 qos->qos.rxtp.max_sdu);
240 qos = qos->next; 267 qos = qos->next;
241 } 268 }
242} 269}
@@ -256,7 +283,7 @@ static struct mpoa_client *alloc_mpc(void)
256{ 283{
257 struct mpoa_client *mpc; 284 struct mpoa_client *mpc;
258 285
259 mpc = kzalloc(sizeof (struct mpoa_client), GFP_KERNEL); 286 mpc = kzalloc(sizeof(struct mpoa_client), GFP_KERNEL);
260 if (mpc == NULL) 287 if (mpc == NULL)
261 return NULL; 288 return NULL;
262 rwlock_init(&mpc->ingress_lock); 289 rwlock_init(&mpc->ingress_lock);
@@ -266,7 +293,7 @@ static struct mpoa_client *alloc_mpc(void)
266 293
267 mpc->parameters.mpc_p1 = MPC_P1; 294 mpc->parameters.mpc_p1 = MPC_P1;
268 mpc->parameters.mpc_p2 = MPC_P2; 295 mpc->parameters.mpc_p2 = MPC_P2;
269 memset(mpc->parameters.mpc_p3,0,sizeof(mpc->parameters.mpc_p3)); 296 memset(mpc->parameters.mpc_p3, 0, sizeof(mpc->parameters.mpc_p3));
270 mpc->parameters.mpc_p4 = MPC_P4; 297 mpc->parameters.mpc_p4 = MPC_P4;
271 mpc->parameters.mpc_p5 = MPC_P5; 298 mpc->parameters.mpc_p5 = MPC_P5;
272 mpc->parameters.mpc_p6 = MPC_P6; 299 mpc->parameters.mpc_p6 = MPC_P6;
@@ -286,9 +313,9 @@ static struct mpoa_client *alloc_mpc(void)
286static void start_mpc(struct mpoa_client *mpc, struct net_device *dev) 313static void start_mpc(struct mpoa_client *mpc, struct net_device *dev)
287{ 314{
288 315
289 dprintk("mpoa: (%s) start_mpc:\n", mpc->dev->name); 316 dprintk("(%s)\n", mpc->dev->name);
290 if (!dev->netdev_ops) 317 if (!dev->netdev_ops)
291 printk("mpoa: (%s) start_mpc not starting\n", dev->name); 318 pr_info("(%s) not starting\n", dev->name);
292 else { 319 else {
293 mpc->old_ops = dev->netdev_ops; 320 mpc->old_ops = dev->netdev_ops;
294 mpc->new_ops = *mpc->old_ops; 321 mpc->new_ops = *mpc->old_ops;
@@ -300,14 +327,14 @@ static void start_mpc(struct mpoa_client *mpc, struct net_device *dev)
300static void stop_mpc(struct mpoa_client *mpc) 327static void stop_mpc(struct mpoa_client *mpc)
301{ 328{
302 struct net_device *dev = mpc->dev; 329 struct net_device *dev = mpc->dev;
303 dprintk("mpoa: (%s) stop_mpc:", mpc->dev->name); 330 dprintk("(%s)", mpc->dev->name);
304 331
305 /* Lets not nullify lec device's dev->hard_start_xmit */ 332 /* Lets not nullify lec device's dev->hard_start_xmit */
306 if (dev->netdev_ops != &mpc->new_ops) { 333 if (dev->netdev_ops != &mpc->new_ops) {
307 dprintk(" mpc already stopped, not fatal\n"); 334 dprintk_cont(" mpc already stopped, not fatal\n");
308 return; 335 return;
309 } 336 }
310 dprintk("\n"); 337 dprintk_cont("\n");
311 338
312 dev->netdev_ops = mpc->old_ops; 339 dev->netdev_ops = mpc->old_ops;
313 mpc->old_ops = NULL; 340 mpc->old_ops = NULL;
@@ -319,25 +346,18 @@ static const char *mpoa_device_type_string(char type) __attribute__ ((unused));
319 346
320static const char *mpoa_device_type_string(char type) 347static const char *mpoa_device_type_string(char type)
321{ 348{
322 switch(type) { 349 switch (type) {
323 case NON_MPOA: 350 case NON_MPOA:
324 return "non-MPOA device"; 351 return "non-MPOA device";
325 break;
326 case MPS: 352 case MPS:
327 return "MPS"; 353 return "MPS";
328 break;
329 case MPC: 354 case MPC:
330 return "MPC"; 355 return "MPC";
331 break;
332 case MPS_AND_MPC: 356 case MPS_AND_MPC:
333 return "both MPS and MPC"; 357 return "both MPS and MPC";
334 break;
335 default:
336 return "unspecified (non-MPOA) device";
337 break;
338 } 358 }
339 359
340 return ""; /* not reached */ 360 return "unspecified (non-MPOA) device";
341} 361}
342 362
343/* 363/*
@@ -362,26 +382,28 @@ static void lane2_assoc_ind(struct net_device *dev, const u8 *mac_addr,
362 struct mpoa_client *mpc; 382 struct mpoa_client *mpc;
363 383
364 mpoa_device_type = number_of_mps_macs = 0; /* silence gcc */ 384 mpoa_device_type = number_of_mps_macs = 0; /* silence gcc */
365 dprintk("mpoa: (%s) lane2_assoc_ind: received TLV(s), ", dev->name); 385 dprintk("(%s) received TLV(s), ", dev->name);
366 dprintk("total length of all TLVs %d\n", sizeoftlvs); 386 dprintk("total length of all TLVs %d\n", sizeoftlvs);
367 mpc = find_mpc_by_lec(dev); /* Sampo-Fix: moved here from below */ 387 mpc = find_mpc_by_lec(dev); /* Sampo-Fix: moved here from below */
368 if (mpc == NULL) { 388 if (mpc == NULL) {
369 printk("mpoa: (%s) lane2_assoc_ind: no mpc\n", dev->name); 389 pr_info("(%s) no mpc\n", dev->name);
370 return; 390 return;
371 } 391 }
372 end_of_tlvs = tlvs + sizeoftlvs; 392 end_of_tlvs = tlvs + sizeoftlvs;
373 while (end_of_tlvs - tlvs >= 5) { 393 while (end_of_tlvs - tlvs >= 5) {
374 type = (tlvs[0] << 24) | (tlvs[1] << 16) | (tlvs[2] << 8) | tlvs[3]; 394 type = ((tlvs[0] << 24) | (tlvs[1] << 16) |
395 (tlvs[2] << 8) | tlvs[3]);
375 length = tlvs[4]; 396 length = tlvs[4];
376 tlvs += 5; 397 tlvs += 5;
377 dprintk(" type 0x%x length %02x\n", type, length); 398 dprintk(" type 0x%x length %02x\n", type, length);
378 if (tlvs + length > end_of_tlvs) { 399 if (tlvs + length > end_of_tlvs) {
379 printk("TLV value extends past its buffer, aborting parse\n"); 400 pr_info("TLV value extends past its buffer, aborting parse\n");
380 return; 401 return;
381 } 402 }
382 403
383 if (type == 0) { 404 if (type == 0) {
384 printk("mpoa: (%s) lane2_assoc_ind: TLV type was 0, returning\n", dev->name); 405 pr_info("mpoa: (%s) TLV type was 0, returning\n",
406 dev->name);
385 return; 407 return;
386 } 408 }
387 409
@@ -391,40 +413,48 @@ static void lane2_assoc_ind(struct net_device *dev, const u8 *mac_addr,
391 } 413 }
392 mpoa_device_type = *tlvs++; 414 mpoa_device_type = *tlvs++;
393 number_of_mps_macs = *tlvs++; 415 number_of_mps_macs = *tlvs++;
394 dprintk("mpoa: (%s) MPOA device type '%s', ", dev->name, mpoa_device_type_string(mpoa_device_type)); 416 dprintk("(%s) MPOA device type '%s', ",
417 dev->name, mpoa_device_type_string(mpoa_device_type));
395 if (mpoa_device_type == MPS_AND_MPC && 418 if (mpoa_device_type == MPS_AND_MPC &&
396 length < (42 + number_of_mps_macs*ETH_ALEN)) { /* :) */ 419 length < (42 + number_of_mps_macs*ETH_ALEN)) { /* :) */
397 printk("\nmpoa: (%s) lane2_assoc_ind: short MPOA Device Type TLV\n", 420 pr_info("(%s) short MPOA Device Type TLV\n",
398 dev->name); 421 dev->name);
399 continue; 422 continue;
400 } 423 }
401 if ((mpoa_device_type == MPS || mpoa_device_type == MPC) 424 if ((mpoa_device_type == MPS || mpoa_device_type == MPC) &&
402 && length < 22 + number_of_mps_macs*ETH_ALEN) { 425 length < 22 + number_of_mps_macs*ETH_ALEN) {
403 printk("\nmpoa: (%s) lane2_assoc_ind: short MPOA Device Type TLV\n", 426 pr_info("(%s) short MPOA Device Type TLV\n", dev->name);
404 dev->name);
405 continue; 427 continue;
406 } 428 }
407 if (mpoa_device_type != MPS && mpoa_device_type != MPS_AND_MPC) { 429 if (mpoa_device_type != MPS &&
408 dprintk("ignoring non-MPS device\n"); 430 mpoa_device_type != MPS_AND_MPC) {
409 if (mpoa_device_type == MPC) tlvs += 20; 431 dprintk("ignoring non-MPS device ");
432 if (mpoa_device_type == MPC)
433 tlvs += 20;
410 continue; /* we are only interested in MPSs */ 434 continue; /* we are only interested in MPSs */
411 } 435 }
412 if (number_of_mps_macs == 0 && mpoa_device_type == MPS_AND_MPC) { 436 if (number_of_mps_macs == 0 &&
413 printk("\nmpoa: (%s) lane2_assoc_ind: MPS_AND_MPC has zero MACs\n", dev->name); 437 mpoa_device_type == MPS_AND_MPC) {
438 pr_info("(%s) MPS_AND_MPC has zero MACs\n", dev->name);
414 continue; /* someone should read the spec */ 439 continue; /* someone should read the spec */
415 } 440 }
416 dprintk("this MPS has %d MAC addresses\n", number_of_mps_macs); 441 dprintk_cont("this MPS has %d MAC addresses\n",
442 number_of_mps_macs);
417 443
418 /* ok, now we can go and tell our daemon the control address of MPS */ 444 /*
445 * ok, now we can go and tell our daemon
446 * the control address of MPS
447 */
419 send_set_mps_ctrl_addr(tlvs, mpc); 448 send_set_mps_ctrl_addr(tlvs, mpc);
420 449
421 tlvs = copy_macs(mpc, mac_addr, tlvs, number_of_mps_macs, mpoa_device_type); 450 tlvs = copy_macs(mpc, mac_addr, tlvs,
422 if (tlvs == NULL) return; 451 number_of_mps_macs, mpoa_device_type);
452 if (tlvs == NULL)
453 return;
423 } 454 }
424 if (end_of_tlvs - tlvs != 0) 455 if (end_of_tlvs - tlvs != 0)
425 printk("mpoa: (%s) lane2_assoc_ind: ignoring %Zd bytes of trailing TLV carbage\n", 456 pr_info("(%s) ignoring %Zd bytes of trailing TLV garbage\n",
426 dev->name, end_of_tlvs - tlvs); 457 dev->name, end_of_tlvs - tlvs);
427 return;
428} 458}
429 459
430/* 460/*
@@ -441,11 +471,12 @@ static const uint8_t *copy_macs(struct mpoa_client *mpc,
441 num_macs = (mps_macs > 1) ? mps_macs : 1; 471 num_macs = (mps_macs > 1) ? mps_macs : 1;
442 472
443 if (mpc->number_of_mps_macs != num_macs) { /* need to reallocate? */ 473 if (mpc->number_of_mps_macs != num_macs) { /* need to reallocate? */
444 if (mpc->number_of_mps_macs != 0) kfree(mpc->mps_macs); 474 if (mpc->number_of_mps_macs != 0)
475 kfree(mpc->mps_macs);
445 mpc->number_of_mps_macs = 0; 476 mpc->number_of_mps_macs = 0;
446 mpc->mps_macs = kmalloc(num_macs*ETH_ALEN, GFP_KERNEL); 477 mpc->mps_macs = kmalloc(num_macs * ETH_ALEN, GFP_KERNEL);
447 if (mpc->mps_macs == NULL) { 478 if (mpc->mps_macs == NULL) {
448 printk("mpoa: (%s) copy_macs: out of mem\n", mpc->dev->name); 479 pr_info("(%s) out of mem\n", mpc->dev->name);
449 return NULL; 480 return NULL;
450 } 481 }
451 } 482 }
@@ -478,24 +509,30 @@ static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc)
478 iph = (struct iphdr *)buff; 509 iph = (struct iphdr *)buff;
479 ipaddr = iph->daddr; 510 ipaddr = iph->daddr;
480 511
481 ddprintk("mpoa: (%s) send_via_shortcut: ipaddr 0x%x\n", mpc->dev->name, ipaddr); 512 ddprintk("(%s) ipaddr 0x%x\n",
513 mpc->dev->name, ipaddr);
482 514
483 entry = mpc->in_ops->get(ipaddr, mpc); 515 entry = mpc->in_ops->get(ipaddr, mpc);
484 if (entry == NULL) { 516 if (entry == NULL) {
485 entry = mpc->in_ops->add_entry(ipaddr, mpc); 517 entry = mpc->in_ops->add_entry(ipaddr, mpc);
486 if (entry != NULL) mpc->in_ops->put(entry); 518 if (entry != NULL)
519 mpc->in_ops->put(entry);
487 return 1; 520 return 1;
488 } 521 }
489 if (mpc->in_ops->cache_hit(entry, mpc) != OPEN){ /* threshold not exceeded or VCC not ready */ 522 /* threshold not exceeded or VCC not ready */
490 ddprintk("mpoa: (%s) send_via_shortcut: cache_hit: returns != OPEN\n", mpc->dev->name); 523 if (mpc->in_ops->cache_hit(entry, mpc) != OPEN) {
524 ddprintk("(%s) cache_hit: returns != OPEN\n",
525 mpc->dev->name);
491 mpc->in_ops->put(entry); 526 mpc->in_ops->put(entry);
492 return 1; 527 return 1;
493 } 528 }
494 529
495 ddprintk("mpoa: (%s) send_via_shortcut: using shortcut\n", mpc->dev->name); 530 ddprintk("(%s) using shortcut\n",
531 mpc->dev->name);
496 /* MPOA spec A.1.4, MPOA client must decrement IP ttl at least by one */ 532 /* MPOA spec A.1.4, MPOA client must decrement IP ttl at least by one */
497 if (iph->ttl <= 1) { 533 if (iph->ttl <= 1) {
498 ddprintk("mpoa: (%s) send_via_shortcut: IP ttl = %u, using LANE\n", mpc->dev->name, iph->ttl); 534 ddprintk("(%s) IP ttl = %u, using LANE\n",
535 mpc->dev->name, iph->ttl);
499 mpc->in_ops->put(entry); 536 mpc->in_ops->put(entry);
500 return 1; 537 return 1;
501 } 538 }
@@ -504,15 +541,18 @@ static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc)
504 iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); 541 iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
505 542
506 if (entry->ctrl_info.tag != 0) { 543 if (entry->ctrl_info.tag != 0) {
507 ddprintk("mpoa: (%s) send_via_shortcut: adding tag 0x%x\n", mpc->dev->name, entry->ctrl_info.tag); 544 ddprintk("(%s) adding tag 0x%x\n",
545 mpc->dev->name, entry->ctrl_info.tag);
508 tagged_llc_snap_hdr.tag = entry->ctrl_info.tag; 546 tagged_llc_snap_hdr.tag = entry->ctrl_info.tag;
509 skb_pull(skb, ETH_HLEN); /* get rid of Eth header */ 547 skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
510 skb_push(skb, sizeof(tagged_llc_snap_hdr)); /* add LLC/SNAP header */ 548 skb_push(skb, sizeof(tagged_llc_snap_hdr));
549 /* add LLC/SNAP header */
511 skb_copy_to_linear_data(skb, &tagged_llc_snap_hdr, 550 skb_copy_to_linear_data(skb, &tagged_llc_snap_hdr,
512 sizeof(tagged_llc_snap_hdr)); 551 sizeof(tagged_llc_snap_hdr));
513 } else { 552 } else {
514 skb_pull(skb, ETH_HLEN); /* get rid of Eth header */ 553 skb_pull(skb, ETH_HLEN); /* get rid of Eth header */
515 skb_push(skb, sizeof(struct llc_snap_hdr)); /* add LLC/SNAP header + tag */ 554 skb_push(skb, sizeof(struct llc_snap_hdr));
555 /* add LLC/SNAP header + tag */
516 skb_copy_to_linear_data(skb, &llc_snap_mpoa_data, 556 skb_copy_to_linear_data(skb, &llc_snap_mpoa_data,
517 sizeof(struct llc_snap_hdr)); 557 sizeof(struct llc_snap_hdr));
518 } 558 }
@@ -537,8 +577,8 @@ static netdev_tx_t mpc_send_packet(struct sk_buff *skb,
537 int i = 0; 577 int i = 0;
538 578
539 mpc = find_mpc_by_lec(dev); /* this should NEVER fail */ 579 mpc = find_mpc_by_lec(dev); /* this should NEVER fail */
540 if(mpc == NULL) { 580 if (mpc == NULL) {
541 printk("mpoa: (%s) mpc_send_packet: no MPC found\n", dev->name); 581 pr_info("(%s) no MPC found\n", dev->name);
542 goto non_ip; 582 goto non_ip;
543 } 583 }
544 584
@@ -554,14 +594,15 @@ static netdev_tx_t mpc_send_packet(struct sk_buff *skb,
554 goto non_ip; 594 goto non_ip;
555 595
556 while (i < mpc->number_of_mps_macs) { 596 while (i < mpc->number_of_mps_macs) {
557 if (!compare_ether_addr(eth->h_dest, (mpc->mps_macs + i*ETH_ALEN))) 597 if (!compare_ether_addr(eth->h_dest,
558 if ( send_via_shortcut(skb, mpc) == 0 ) /* try shortcut */ 598 (mpc->mps_macs + i*ETH_ALEN)))
559 return NETDEV_TX_OK; /* success! */ 599 if (send_via_shortcut(skb, mpc) == 0) /* try shortcut */
600 return NETDEV_TX_OK;
560 i++; 601 i++;
561 } 602 }
562 603
563 non_ip: 604non_ip:
564 return mpc->old_ops->ndo_start_xmit(skb,dev); 605 return mpc->old_ops->ndo_start_xmit(skb, dev);
565} 606}
566 607
567static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg) 608static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
@@ -574,7 +615,8 @@ static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
574 615
575 bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmmpc_ioc)); 616 bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmmpc_ioc));
576 if (bytes_left != 0) { 617 if (bytes_left != 0) {
577 printk("mpoa: mpc_vcc_attach: Short read (missed %d bytes) from userland\n", bytes_left); 618 pr_info("mpoa:Short read (missed %d bytes) from userland\n",
619 bytes_left);
578 return -EFAULT; 620 return -EFAULT;
579 } 621 }
580 ipaddr = ioc_data.ipaddr; 622 ipaddr = ioc_data.ipaddr;
@@ -587,18 +629,20 @@ static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)
587 629
588 if (ioc_data.type == MPC_SOCKET_INGRESS) { 630 if (ioc_data.type == MPC_SOCKET_INGRESS) {
589 in_entry = mpc->in_ops->get(ipaddr, mpc); 631 in_entry = mpc->in_ops->get(ipaddr, mpc);
590 if (in_entry == NULL || in_entry->entry_state < INGRESS_RESOLVED) { 632 if (in_entry == NULL ||
591 printk("mpoa: (%s) mpc_vcc_attach: did not find RESOLVED entry from ingress cache\n", 633 in_entry->entry_state < INGRESS_RESOLVED) {
634 pr_info("(%s) did not find RESOLVED entry from ingress cache\n",
592 mpc->dev->name); 635 mpc->dev->name);
593 if (in_entry != NULL) mpc->in_ops->put(in_entry); 636 if (in_entry != NULL)
637 mpc->in_ops->put(in_entry);
594 return -EINVAL; 638 return -EINVAL;
595 } 639 }
596 printk("mpoa: (%s) mpc_vcc_attach: attaching ingress SVC, entry = %pI4\n", 640 pr_info("(%s) attaching ingress SVC, entry = %pI4\n",
597 mpc->dev->name, &in_entry->ctrl_info.in_dst_ip); 641 mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
598 in_entry->shortcut = vcc; 642 in_entry->shortcut = vcc;
599 mpc->in_ops->put(in_entry); 643 mpc->in_ops->put(in_entry);
600 } else { 644 } else {
601 printk("mpoa: (%s) mpc_vcc_attach: attaching egress SVC\n", mpc->dev->name); 645 pr_info("(%s) attaching egress SVC\n", mpc->dev->name);
602 } 646 }
603 647
604 vcc->proto_data = mpc->dev; 648 vcc->proto_data = mpc->dev;
@@ -618,29 +662,27 @@ static void mpc_vcc_close(struct atm_vcc *vcc, struct net_device *dev)
618 662
619 mpc = find_mpc_by_lec(dev); 663 mpc = find_mpc_by_lec(dev);
620 if (mpc == NULL) { 664 if (mpc == NULL) {
621 printk("mpoa: (%s) mpc_vcc_close: close for unknown MPC\n", dev->name); 665 pr_info("(%s) close for unknown MPC\n", dev->name);
622 return; 666 return;
623 } 667 }
624 668
625 dprintk("mpoa: (%s) mpc_vcc_close:\n", dev->name); 669 dprintk("(%s)\n", dev->name);
626 in_entry = mpc->in_ops->get_by_vcc(vcc, mpc); 670 in_entry = mpc->in_ops->get_by_vcc(vcc, mpc);
627 if (in_entry) { 671 if (in_entry) {
628 dprintk("mpoa: (%s) mpc_vcc_close: ingress SVC closed ip = %pI4\n", 672 dprintk("(%s) ingress SVC closed ip = %pI4\n",
629 mpc->dev->name, &in_entry->ctrl_info.in_dst_ip); 673 mpc->dev->name, &in_entry->ctrl_info.in_dst_ip);
630 in_entry->shortcut = NULL; 674 in_entry->shortcut = NULL;
631 mpc->in_ops->put(in_entry); 675 mpc->in_ops->put(in_entry);
632 } 676 }
633 eg_entry = mpc->eg_ops->get_by_vcc(vcc, mpc); 677 eg_entry = mpc->eg_ops->get_by_vcc(vcc, mpc);
634 if (eg_entry) { 678 if (eg_entry) {
635 dprintk("mpoa: (%s) mpc_vcc_close: egress SVC closed\n", mpc->dev->name); 679 dprintk("(%s) egress SVC closed\n", mpc->dev->name);
636 eg_entry->shortcut = NULL; 680 eg_entry->shortcut = NULL;
637 mpc->eg_ops->put(eg_entry); 681 mpc->eg_ops->put(eg_entry);
638 } 682 }
639 683
640 if (in_entry == NULL && eg_entry == NULL) 684 if (in_entry == NULL && eg_entry == NULL)
641 dprintk("mpoa: (%s) mpc_vcc_close: unused vcc closed\n", dev->name); 685 dprintk("(%s) unused vcc closed\n", dev->name);
642
643 return;
644} 686}
645 687
646static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb) 688static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
@@ -652,18 +694,19 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
652 __be32 tag; 694 __be32 tag;
653 char *tmp; 695 char *tmp;
654 696
655 ddprintk("mpoa: (%s) mpc_push:\n", dev->name); 697 ddprintk("(%s)\n", dev->name);
656 if (skb == NULL) { 698 if (skb == NULL) {
657 dprintk("mpoa: (%s) mpc_push: null skb, closing VCC\n", dev->name); 699 dprintk("(%s) null skb, closing VCC\n", dev->name);
658 mpc_vcc_close(vcc, dev); 700 mpc_vcc_close(vcc, dev);
659 return; 701 return;
660 } 702 }
661 703
662 skb->dev = dev; 704 skb->dev = dev;
663 if (memcmp(skb->data, &llc_snap_mpoa_ctrl, sizeof(struct llc_snap_hdr)) == 0) { 705 if (memcmp(skb->data, &llc_snap_mpoa_ctrl,
706 sizeof(struct llc_snap_hdr)) == 0) {
664 struct sock *sk = sk_atm(vcc); 707 struct sock *sk = sk_atm(vcc);
665 708
666 dprintk("mpoa: (%s) mpc_push: control packet arrived\n", dev->name); 709 dprintk("(%s) control packet arrived\n", dev->name);
667 /* Pass control packets to daemon */ 710 /* Pass control packets to daemon */
668 skb_queue_tail(&sk->sk_receive_queue, skb); 711 skb_queue_tail(&sk->sk_receive_queue, skb);
669 sk->sk_data_ready(sk, skb->len); 712 sk->sk_data_ready(sk, skb->len);
@@ -675,20 +718,22 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
675 718
676 mpc = find_mpc_by_lec(dev); 719 mpc = find_mpc_by_lec(dev);
677 if (mpc == NULL) { 720 if (mpc == NULL) {
678 printk("mpoa: (%s) mpc_push: unknown MPC\n", dev->name); 721 pr_info("(%s) unknown MPC\n", dev->name);
679 return; 722 return;
680 } 723 }
681 724
682 if (memcmp(skb->data, &llc_snap_mpoa_data_tagged, sizeof(struct llc_snap_hdr)) == 0) { /* MPOA tagged data */ 725 if (memcmp(skb->data, &llc_snap_mpoa_data_tagged,
683 ddprintk("mpoa: (%s) mpc_push: tagged data packet arrived\n", dev->name); 726 sizeof(struct llc_snap_hdr)) == 0) { /* MPOA tagged data */
727 ddprintk("(%s) tagged data packet arrived\n", dev->name);
684 728
685 } else if (memcmp(skb->data, &llc_snap_mpoa_data, sizeof(struct llc_snap_hdr)) == 0) { /* MPOA data */ 729 } else if (memcmp(skb->data, &llc_snap_mpoa_data,
686 printk("mpoa: (%s) mpc_push: non-tagged data packet arrived\n", dev->name); 730 sizeof(struct llc_snap_hdr)) == 0) { /* MPOA data */
687 printk(" mpc_push: non-tagged data unsupported, purging\n"); 731 pr_info("(%s) Unsupported non-tagged data packet arrived. Purging\n",
732 dev->name);
688 dev_kfree_skb_any(skb); 733 dev_kfree_skb_any(skb);
689 return; 734 return;
690 } else { 735 } else {
691 printk("mpoa: (%s) mpc_push: garbage arrived, purging\n", dev->name); 736 pr_info("(%s) garbage arrived, purging\n", dev->name);
692 dev_kfree_skb_any(skb); 737 dev_kfree_skb_any(skb);
693 return; 738 return;
694 } 739 }
@@ -698,8 +743,8 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
698 743
699 eg = mpc->eg_ops->get_by_tag(tag, mpc); 744 eg = mpc->eg_ops->get_by_tag(tag, mpc);
700 if (eg == NULL) { 745 if (eg == NULL) {
701 printk("mpoa: (%s) mpc_push: Didn't find egress cache entry, tag = %u\n", 746 pr_info("mpoa: (%s) Didn't find egress cache entry, tag = %u\n",
702 dev->name,tag); 747 dev->name, tag);
703 purge_egress_shortcut(vcc, NULL); 748 purge_egress_shortcut(vcc, NULL);
704 dev_kfree_skb_any(skb); 749 dev_kfree_skb_any(skb);
705 return; 750 return;
@@ -711,13 +756,15 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
711 */ 756 */
712 if (eg->shortcut == NULL) { 757 if (eg->shortcut == NULL) {
713 eg->shortcut = vcc; 758 eg->shortcut = vcc;
714 printk("mpoa: (%s) mpc_push: egress SVC in use\n", dev->name); 759 pr_info("(%s) egress SVC in use\n", dev->name);
715 } 760 }
716 761
717 skb_pull(skb, sizeof(struct llc_snap_hdr) + sizeof(tag)); /* get rid of LLC/SNAP header */ 762 skb_pull(skb, sizeof(struct llc_snap_hdr) + sizeof(tag));
718 new_skb = skb_realloc_headroom(skb, eg->ctrl_info.DH_length); /* LLC/SNAP is shorter than MAC header :( */ 763 /* get rid of LLC/SNAP header */
764 new_skb = skb_realloc_headroom(skb, eg->ctrl_info.DH_length);
765 /* LLC/SNAP is shorter than MAC header :( */
719 dev_kfree_skb_any(skb); 766 dev_kfree_skb_any(skb);
720 if (new_skb == NULL){ 767 if (new_skb == NULL) {
721 mpc->eg_ops->put(eg); 768 mpc->eg_ops->put(eg);
722 return; 769 return;
723 } 770 }
@@ -731,10 +778,8 @@ static void mpc_push(struct atm_vcc *vcc, struct sk_buff *skb)
731 eg->packets_rcvd++; 778 eg->packets_rcvd++;
732 mpc->eg_ops->put(eg); 779 mpc->eg_ops->put(eg);
733 780
734 memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data)); 781 memset(ATM_SKB(new_skb), 0, sizeof(struct atm_skb_data));
735 netif_rx(new_skb); 782 netif_rx(new_skb);
736
737 return;
738} 783}
739 784
740static struct atmdev_ops mpc_ops = { /* only send is required */ 785static struct atmdev_ops mpc_ops = { /* only send is required */
@@ -750,7 +795,7 @@ static struct atm_dev mpc_dev = {
750 /* members not explicitly initialised will be 0 */ 795 /* members not explicitly initialised will be 0 */
751}; 796};
752 797
753static int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg) 798static int atm_mpoa_mpoad_attach(struct atm_vcc *vcc, int arg)
754{ 799{
755 struct mpoa_client *mpc; 800 struct mpoa_client *mpc;
756 struct lec_priv *priv; 801 struct lec_priv *priv;
@@ -770,15 +815,16 @@ static int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg)
770 815
771 mpc = find_mpc_by_itfnum(arg); 816 mpc = find_mpc_by_itfnum(arg);
772 if (mpc == NULL) { 817 if (mpc == NULL) {
773 dprintk("mpoa: mpoad_attach: allocating new mpc for itf %d\n", arg); 818 dprintk("allocating new mpc for itf %d\n", arg);
774 mpc = alloc_mpc(); 819 mpc = alloc_mpc();
775 if (mpc == NULL) 820 if (mpc == NULL)
776 return -ENOMEM; 821 return -ENOMEM;
777 mpc->dev_num = arg; 822 mpc->dev_num = arg;
778 mpc->dev = find_lec_by_itfnum(arg); /* NULL if there was no lec */ 823 mpc->dev = find_lec_by_itfnum(arg);
824 /* NULL if there was no lec */
779 } 825 }
780 if (mpc->mpoad_vcc) { 826 if (mpc->mpoad_vcc) {
781 printk("mpoa: mpoad_attach: mpoad is already present for itf %d\n", arg); 827 pr_info("mpoad is already present for itf %d\n", arg);
782 return -EADDRINUSE; 828 return -EADDRINUSE;
783 } 829 }
784 830
@@ -794,8 +840,8 @@ static int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg)
794 mpc->mpoad_vcc = vcc; 840 mpc->mpoad_vcc = vcc;
795 vcc->dev = &mpc_dev; 841 vcc->dev = &mpc_dev;
796 vcc_insert_socket(sk_atm(vcc)); 842 vcc_insert_socket(sk_atm(vcc));
797 set_bit(ATM_VF_META,&vcc->flags); 843 set_bit(ATM_VF_META, &vcc->flags);
798 set_bit(ATM_VF_READY,&vcc->flags); 844 set_bit(ATM_VF_READY, &vcc->flags);
799 845
800 if (mpc->dev) { 846 if (mpc->dev) {
801 char empty[ATM_ESA_LEN]; 847 char empty[ATM_ESA_LEN];
@@ -805,7 +851,7 @@ static int atm_mpoa_mpoad_attach (struct atm_vcc *vcc, int arg)
805 /* set address if mpcd e.g. gets killed and restarted. 851 /* set address if mpcd e.g. gets killed and restarted.
806 * If we do not do it now we have to wait for the next LE_ARP 852 * If we do not do it now we have to wait for the next LE_ARP
807 */ 853 */
808 if ( memcmp(mpc->mps_ctrl_addr, empty, ATM_ESA_LEN) != 0 ) 854 if (memcmp(mpc->mps_ctrl_addr, empty, ATM_ESA_LEN) != 0)
809 send_set_mps_ctrl_addr(mpc->mps_ctrl_addr, mpc); 855 send_set_mps_ctrl_addr(mpc->mps_ctrl_addr, mpc);
810 } 856 }
811 857
@@ -817,13 +863,11 @@ static void send_set_mps_ctrl_addr(const char *addr, struct mpoa_client *mpc)
817{ 863{
818 struct k_message mesg; 864 struct k_message mesg;
819 865
820 memcpy (mpc->mps_ctrl_addr, addr, ATM_ESA_LEN); 866 memcpy(mpc->mps_ctrl_addr, addr, ATM_ESA_LEN);
821 867
822 mesg.type = SET_MPS_CTRL_ADDR; 868 mesg.type = SET_MPS_CTRL_ADDR;
823 memcpy(mesg.MPS_ctrl, addr, ATM_ESA_LEN); 869 memcpy(mesg.MPS_ctrl, addr, ATM_ESA_LEN);
824 msg_to_mpoad(&mesg, mpc); 870 msg_to_mpoad(&mesg, mpc);
825
826 return;
827} 871}
828 872
829static void mpoad_close(struct atm_vcc *vcc) 873static void mpoad_close(struct atm_vcc *vcc)
@@ -833,11 +877,11 @@ static void mpoad_close(struct atm_vcc *vcc)
833 877
834 mpc = find_mpc_by_vcc(vcc); 878 mpc = find_mpc_by_vcc(vcc);
835 if (mpc == NULL) { 879 if (mpc == NULL) {
836 printk("mpoa: mpoad_close: did not find MPC\n"); 880 pr_info("did not find MPC\n");
837 return; 881 return;
838 } 882 }
839 if (!mpc->mpoad_vcc) { 883 if (!mpc->mpoad_vcc) {
840 printk("mpoa: mpoad_close: close for non-present mpoad\n"); 884 pr_info("close for non-present mpoad\n");
841 return; 885 return;
842 } 886 }
843 887
@@ -857,11 +901,9 @@ static void mpoad_close(struct atm_vcc *vcc)
857 kfree_skb(skb); 901 kfree_skb(skb);
858 } 902 }
859 903
860 printk("mpoa: (%s) going down\n", 904 pr_info("(%s) going down\n",
861 (mpc->dev) ? mpc->dev->name : "<unknown>"); 905 (mpc->dev) ? mpc->dev->name : "<unknown>");
862 module_put(THIS_MODULE); 906 module_put(THIS_MODULE);
863
864 return;
865} 907}
866 908
867/* 909/*
@@ -871,61 +913,61 @@ static int msg_from_mpoad(struct atm_vcc *vcc, struct sk_buff *skb)
871{ 913{
872 914
873 struct mpoa_client *mpc = find_mpc_by_vcc(vcc); 915 struct mpoa_client *mpc = find_mpc_by_vcc(vcc);
874 struct k_message *mesg = (struct k_message*)skb->data; 916 struct k_message *mesg = (struct k_message *)skb->data;
875 atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); 917 atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
876 918
877 if (mpc == NULL) { 919 if (mpc == NULL) {
878 printk("mpoa: msg_from_mpoad: no mpc found\n"); 920 pr_info("no mpc found\n");
879 return 0; 921 return 0;
880 } 922 }
881 dprintk("mpoa: (%s) msg_from_mpoad:", (mpc->dev) ? mpc->dev->name : "<unknown>"); 923 dprintk("(%s)", mpc->dev ? mpc->dev->name : "<unknown>");
882 switch(mesg->type) { 924 switch (mesg->type) {
883 case MPOA_RES_REPLY_RCVD: 925 case MPOA_RES_REPLY_RCVD:
884 dprintk(" mpoa_res_reply_rcvd\n"); 926 dprintk_cont("mpoa_res_reply_rcvd\n");
885 MPOA_res_reply_rcvd(mesg, mpc); 927 MPOA_res_reply_rcvd(mesg, mpc);
886 break; 928 break;
887 case MPOA_TRIGGER_RCVD: 929 case MPOA_TRIGGER_RCVD:
888 dprintk(" mpoa_trigger_rcvd\n"); 930 dprintk_cont("mpoa_trigger_rcvd\n");
889 MPOA_trigger_rcvd(mesg, mpc); 931 MPOA_trigger_rcvd(mesg, mpc);
890 break; 932 break;
891 case INGRESS_PURGE_RCVD: 933 case INGRESS_PURGE_RCVD:
892 dprintk(" nhrp_purge_rcvd\n"); 934 dprintk_cont("nhrp_purge_rcvd\n");
893 ingress_purge_rcvd(mesg, mpc); 935 ingress_purge_rcvd(mesg, mpc);
894 break; 936 break;
895 case EGRESS_PURGE_RCVD: 937 case EGRESS_PURGE_RCVD:
896 dprintk(" egress_purge_reply_rcvd\n"); 938 dprintk_cont("egress_purge_reply_rcvd\n");
897 egress_purge_rcvd(mesg, mpc); 939 egress_purge_rcvd(mesg, mpc);
898 break; 940 break;
899 case MPS_DEATH: 941 case MPS_DEATH:
900 dprintk(" mps_death\n"); 942 dprintk_cont("mps_death\n");
901 mps_death(mesg, mpc); 943 mps_death(mesg, mpc);
902 break; 944 break;
903 case CACHE_IMPOS_RCVD: 945 case CACHE_IMPOS_RCVD:
904 dprintk(" cache_impos_rcvd\n"); 946 dprintk_cont("cache_impos_rcvd\n");
905 MPOA_cache_impos_rcvd(mesg, mpc); 947 MPOA_cache_impos_rcvd(mesg, mpc);
906 break; 948 break;
907 case SET_MPC_CTRL_ADDR: 949 case SET_MPC_CTRL_ADDR:
908 dprintk(" set_mpc_ctrl_addr\n"); 950 dprintk_cont("set_mpc_ctrl_addr\n");
909 set_mpc_ctrl_addr_rcvd(mesg, mpc); 951 set_mpc_ctrl_addr_rcvd(mesg, mpc);
910 break; 952 break;
911 case SET_MPS_MAC_ADDR: 953 case SET_MPS_MAC_ADDR:
912 dprintk(" set_mps_mac_addr\n"); 954 dprintk_cont("set_mps_mac_addr\n");
913 set_mps_mac_addr_rcvd(mesg, mpc); 955 set_mps_mac_addr_rcvd(mesg, mpc);
914 break; 956 break;
915 case CLEAN_UP_AND_EXIT: 957 case CLEAN_UP_AND_EXIT:
916 dprintk(" clean_up_and_exit\n"); 958 dprintk_cont("clean_up_and_exit\n");
917 clean_up(mesg, mpc, DIE); 959 clean_up(mesg, mpc, DIE);
918 break; 960 break;
919 case RELOAD: 961 case RELOAD:
920 dprintk(" reload\n"); 962 dprintk_cont("reload\n");
921 clean_up(mesg, mpc, RELOAD); 963 clean_up(mesg, mpc, RELOAD);
922 break; 964 break;
923 case SET_MPC_PARAMS: 965 case SET_MPC_PARAMS:
924 dprintk(" set_mpc_params\n"); 966 dprintk_cont("set_mpc_params\n");
925 mpc->parameters = mesg->content.params; 967 mpc->parameters = mesg->content.params;
926 break; 968 break;
927 default: 969 default:
928 dprintk(" unknown message %d\n", mesg->type); 970 dprintk_cont("unknown message %d\n", mesg->type);
929 break; 971 break;
930 } 972 }
931 kfree_skb(skb); 973 kfree_skb(skb);
@@ -940,7 +982,7 @@ int msg_to_mpoad(struct k_message *mesg, struct mpoa_client *mpc)
940 struct sock *sk; 982 struct sock *sk;
941 983
942 if (mpc == NULL || !mpc->mpoad_vcc) { 984 if (mpc == NULL || !mpc->mpoad_vcc) {
943 printk("mpoa: msg_to_mpoad: mesg %d to a non-existent mpoad\n", mesg->type); 985 pr_info("mesg %d to a non-existent mpoad\n", mesg->type);
944 return -ENXIO; 986 return -ENXIO;
945 } 987 }
946 988
@@ -958,7 +1000,8 @@ int msg_to_mpoad(struct k_message *mesg, struct mpoa_client *mpc)
958 return 0; 1000 return 0;
959} 1001}
960 1002
961static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned long event, void *dev_ptr) 1003static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
1004 unsigned long event, void *dev_ptr)
962{ 1005{
963 struct net_device *dev; 1006 struct net_device *dev;
964 struct mpoa_client *mpc; 1007 struct mpoa_client *mpc;
@@ -980,25 +1023,24 @@ static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned lo
980 priv->lane2_ops->associate_indicator = lane2_assoc_ind; 1023 priv->lane2_ops->associate_indicator = lane2_assoc_ind;
981 mpc = find_mpc_by_itfnum(priv->itfnum); 1024 mpc = find_mpc_by_itfnum(priv->itfnum);
982 if (mpc == NULL) { 1025 if (mpc == NULL) {
983 dprintk("mpoa: mpoa_event_listener: allocating new mpc for %s\n", 1026 dprintk("allocating new mpc for %s\n", dev->name);
984 dev->name);
985 mpc = alloc_mpc(); 1027 mpc = alloc_mpc();
986 if (mpc == NULL) { 1028 if (mpc == NULL) {
987 printk("mpoa: mpoa_event_listener: no new mpc"); 1029 pr_info("no new mpc");
988 break; 1030 break;
989 } 1031 }
990 } 1032 }
991 mpc->dev_num = priv->itfnum; 1033 mpc->dev_num = priv->itfnum;
992 mpc->dev = dev; 1034 mpc->dev = dev;
993 dev_hold(dev); 1035 dev_hold(dev);
994 dprintk("mpoa: (%s) was initialized\n", dev->name); 1036 dprintk("(%s) was initialized\n", dev->name);
995 break; 1037 break;
996 case NETDEV_UNREGISTER: 1038 case NETDEV_UNREGISTER:
997 /* the lec device was deallocated */ 1039 /* the lec device was deallocated */
998 mpc = find_mpc_by_lec(dev); 1040 mpc = find_mpc_by_lec(dev);
999 if (mpc == NULL) 1041 if (mpc == NULL)
1000 break; 1042 break;
1001 dprintk("mpoa: device (%s) was deallocated\n", dev->name); 1043 dprintk("device (%s) was deallocated\n", dev->name);
1002 stop_mpc(mpc); 1044 stop_mpc(mpc);
1003 dev_put(mpc->dev); 1045 dev_put(mpc->dev);
1004 mpc->dev = NULL; 1046 mpc->dev = NULL;
@@ -1008,9 +1050,8 @@ static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned lo
1008 mpc = find_mpc_by_lec(dev); 1050 mpc = find_mpc_by_lec(dev);
1009 if (mpc == NULL) 1051 if (mpc == NULL)
1010 break; 1052 break;
1011 if (mpc->mpoad_vcc != NULL) { 1053 if (mpc->mpoad_vcc != NULL)
1012 start_mpc(mpc, dev); 1054 start_mpc(mpc, dev);
1013 }
1014 break; 1055 break;
1015 case NETDEV_DOWN: 1056 case NETDEV_DOWN:
1016 /* the dev was ifconfig'ed down */ 1057 /* the dev was ifconfig'ed down */
@@ -1020,9 +1061,8 @@ static int mpoa_event_listener(struct notifier_block *mpoa_notifier, unsigned lo
1020 mpc = find_mpc_by_lec(dev); 1061 mpc = find_mpc_by_lec(dev);
1021 if (mpc == NULL) 1062 if (mpc == NULL)
1022 break; 1063 break;
1023 if (mpc->mpoad_vcc != NULL) { 1064 if (mpc->mpoad_vcc != NULL)
1024 stop_mpc(mpc); 1065 stop_mpc(mpc);
1025 }
1026 break; 1066 break;
1027 case NETDEV_REBOOT: 1067 case NETDEV_REBOOT:
1028 case NETDEV_CHANGE: 1068 case NETDEV_CHANGE:
@@ -1049,7 +1089,7 @@ static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1049 in_cache_entry *entry; 1089 in_cache_entry *entry;
1050 1090
1051 entry = mpc->in_ops->get(dst_ip, mpc); 1091 entry = mpc->in_ops->get(dst_ip, mpc);
1052 if(entry == NULL){ 1092 if (entry == NULL) {
1053 entry = mpc->in_ops->add_entry(dst_ip, mpc); 1093 entry = mpc->in_ops->add_entry(dst_ip, mpc);
1054 entry->entry_state = INGRESS_RESOLVING; 1094 entry->entry_state = INGRESS_RESOLVING;
1055 msg->type = SND_MPOA_RES_RQST; 1095 msg->type = SND_MPOA_RES_RQST;
@@ -1060,7 +1100,7 @@ static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1060 return; 1100 return;
1061 } 1101 }
1062 1102
1063 if(entry->entry_state == INGRESS_INVALID){ 1103 if (entry->entry_state == INGRESS_INVALID) {
1064 entry->entry_state = INGRESS_RESOLVING; 1104 entry->entry_state = INGRESS_RESOLVING;
1065 msg->type = SND_MPOA_RES_RQST; 1105 msg->type = SND_MPOA_RES_RQST;
1066 msg->content.in_info = entry->ctrl_info; 1106 msg->content.in_info = entry->ctrl_info;
@@ -1070,33 +1110,34 @@ static void MPOA_trigger_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1070 return; 1110 return;
1071 } 1111 }
1072 1112
1073 printk("mpoa: (%s) MPOA_trigger_rcvd: entry already in resolving state\n", 1113 pr_info("(%s) entry already in resolving state\n",
1074 (mpc->dev) ? mpc->dev->name : "<unknown>"); 1114 (mpc->dev) ? mpc->dev->name : "<unknown>");
1075 mpc->in_ops->put(entry); 1115 mpc->in_ops->put(entry);
1076 return;
1077} 1116}
1078 1117
1079/* 1118/*
1080 * Things get complicated because we have to check if there's an egress 1119 * Things get complicated because we have to check if there's an egress
1081 * shortcut with suitable traffic parameters we could use. 1120 * shortcut with suitable traffic parameters we could use.
1082 */ 1121 */
1083static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_client *client, in_cache_entry *entry) 1122static void check_qos_and_open_shortcut(struct k_message *msg,
1123 struct mpoa_client *client,
1124 in_cache_entry *entry)
1084{ 1125{
1085 __be32 dst_ip = msg->content.in_info.in_dst_ip; 1126 __be32 dst_ip = msg->content.in_info.in_dst_ip;
1086 struct atm_mpoa_qos *qos = atm_mpoa_search_qos(dst_ip); 1127 struct atm_mpoa_qos *qos = atm_mpoa_search_qos(dst_ip);
1087 eg_cache_entry *eg_entry = client->eg_ops->get_by_src_ip(dst_ip, client); 1128 eg_cache_entry *eg_entry = client->eg_ops->get_by_src_ip(dst_ip, client);
1088 1129
1089 if(eg_entry && eg_entry->shortcut){ 1130 if (eg_entry && eg_entry->shortcut) {
1090 if(eg_entry->shortcut->qos.txtp.traffic_class & 1131 if (eg_entry->shortcut->qos.txtp.traffic_class &
1091 msg->qos.txtp.traffic_class & 1132 msg->qos.txtp.traffic_class &
1092 (qos ? qos->qos.txtp.traffic_class : ATM_UBR | ATM_CBR)){ 1133 (qos ? qos->qos.txtp.traffic_class : ATM_UBR | ATM_CBR)) {
1093 if(eg_entry->shortcut->qos.txtp.traffic_class == ATM_UBR) 1134 if (eg_entry->shortcut->qos.txtp.traffic_class == ATM_UBR)
1094 entry->shortcut = eg_entry->shortcut; 1135 entry->shortcut = eg_entry->shortcut;
1095 else if(eg_entry->shortcut->qos.txtp.max_pcr > 0) 1136 else if (eg_entry->shortcut->qos.txtp.max_pcr > 0)
1096 entry->shortcut = eg_entry->shortcut; 1137 entry->shortcut = eg_entry->shortcut;
1097 } 1138 }
1098 if(entry->shortcut){ 1139 if (entry->shortcut) {
1099 dprintk("mpoa: (%s) using egress SVC to reach %pI4\n", 1140 dprintk("(%s) using egress SVC to reach %pI4\n",
1100 client->dev->name, &dst_ip); 1141 client->dev->name, &dst_ip);
1101 client->eg_ops->put(eg_entry); 1142 client->eg_ops->put(eg_entry);
1102 return; 1143 return;
@@ -1107,14 +1148,14 @@ static void check_qos_and_open_shortcut(struct k_message *msg, struct mpoa_clien
1107 1148
1108 /* No luck in the egress cache we must open an ingress SVC */ 1149 /* No luck in the egress cache we must open an ingress SVC */
1109 msg->type = OPEN_INGRESS_SVC; 1150 msg->type = OPEN_INGRESS_SVC;
1110 if (qos && (qos->qos.txtp.traffic_class == msg->qos.txtp.traffic_class)) 1151 if (qos &&
1111 { 1152 (qos->qos.txtp.traffic_class == msg->qos.txtp.traffic_class)) {
1112 msg->qos = qos->qos; 1153 msg->qos = qos->qos;
1113 printk("mpoa: (%s) trying to get a CBR shortcut\n",client->dev->name); 1154 pr_info("(%s) trying to get a CBR shortcut\n",
1114 } 1155 client->dev->name);
1115 else memset(&msg->qos,0,sizeof(struct atm_qos)); 1156 } else
1157 memset(&msg->qos, 0, sizeof(struct atm_qos));
1116 msg_to_mpoad(msg, client); 1158 msg_to_mpoad(msg, client);
1117 return;
1118} 1159}
1119 1160
1120static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc) 1161static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc)
@@ -1122,17 +1163,19 @@ static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1122 __be32 dst_ip = msg->content.in_info.in_dst_ip; 1163 __be32 dst_ip = msg->content.in_info.in_dst_ip;
1123 in_cache_entry *entry = mpc->in_ops->get(dst_ip, mpc); 1164 in_cache_entry *entry = mpc->in_ops->get(dst_ip, mpc);
1124 1165
1125 dprintk("mpoa: (%s) MPOA_res_reply_rcvd: ip %pI4\n", 1166 dprintk("(%s) ip %pI4\n",
1126 mpc->dev->name, &dst_ip); 1167 mpc->dev->name, &dst_ip);
1127 ddprintk("mpoa: (%s) MPOA_res_reply_rcvd() entry = %p", mpc->dev->name, entry); 1168 ddprintk("(%s) entry = %p",
1128 if(entry == NULL){ 1169 mpc->dev->name, entry);
1129 printk("\nmpoa: (%s) ARGH, received res. reply for an entry that doesn't exist.\n", mpc->dev->name); 1170 if (entry == NULL) {
1171 pr_info("(%s) ARGH, received res. reply for an entry that doesn't exist.\n",
1172 mpc->dev->name);
1130 return; 1173 return;
1131 } 1174 }
1132 ddprintk(" entry_state = %d ", entry->entry_state); 1175 ddprintk_cont(" entry_state = %d ", entry->entry_state);
1133 1176
1134 if (entry->entry_state == INGRESS_RESOLVED) { 1177 if (entry->entry_state == INGRESS_RESOLVED) {
1135 printk("\nmpoa: (%s) MPOA_res_reply_rcvd for RESOLVED entry!\n", mpc->dev->name); 1178 pr_info("(%s) RESOLVED entry!\n", mpc->dev->name);
1136 mpc->in_ops->put(entry); 1179 mpc->in_ops->put(entry);
1137 return; 1180 return;
1138 } 1181 }
@@ -1141,17 +1184,18 @@ static void MPOA_res_reply_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1141 do_gettimeofday(&(entry->tv)); 1184 do_gettimeofday(&(entry->tv));
1142 do_gettimeofday(&(entry->reply_wait)); /* Used in refreshing func from now on */ 1185 do_gettimeofday(&(entry->reply_wait)); /* Used in refreshing func from now on */
1143 entry->refresh_time = 0; 1186 entry->refresh_time = 0;
1144 ddprintk("entry->shortcut = %p\n", entry->shortcut); 1187 ddprintk_cont("entry->shortcut = %p\n", entry->shortcut);
1145 1188
1146 if(entry->entry_state == INGRESS_RESOLVING && entry->shortcut != NULL){ 1189 if (entry->entry_state == INGRESS_RESOLVING &&
1190 entry->shortcut != NULL) {
1147 entry->entry_state = INGRESS_RESOLVED; 1191 entry->entry_state = INGRESS_RESOLVED;
1148 mpc->in_ops->put(entry); 1192 mpc->in_ops->put(entry);
1149 return; /* Shortcut already open... */ 1193 return; /* Shortcut already open... */
1150 } 1194 }
1151 1195
1152 if (entry->shortcut != NULL) { 1196 if (entry->shortcut != NULL) {
1153 printk("mpoa: (%s) MPOA_res_reply_rcvd: entry->shortcut != NULL, impossible!\n", 1197 pr_info("(%s) entry->shortcut != NULL, impossible!\n",
1154 mpc->dev->name); 1198 mpc->dev->name);
1155 mpc->in_ops->put(entry); 1199 mpc->in_ops->put(entry);
1156 return; 1200 return;
1157 } 1201 }
@@ -1170,14 +1214,14 @@ static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1170 __be32 mask = msg->ip_mask; 1214 __be32 mask = msg->ip_mask;
1171 in_cache_entry *entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask); 1215 in_cache_entry *entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);
1172 1216
1173 if(entry == NULL){ 1217 if (entry == NULL) {
1174 printk("mpoa: (%s) ingress_purge_rcvd: purge for a non-existing entry, ip = %pI4\n", 1218 pr_info("(%s) purge for a non-existing entry, ip = %pI4\n",
1175 mpc->dev->name, &dst_ip); 1219 mpc->dev->name, &dst_ip);
1176 return; 1220 return;
1177 } 1221 }
1178 1222
1179 do { 1223 do {
1180 dprintk("mpoa: (%s) ingress_purge_rcvd: removing an ingress entry, ip = %pI4\n", 1224 dprintk("(%s) removing an ingress entry, ip = %pI4\n",
1181 mpc->dev->name, &dst_ip); 1225 mpc->dev->name, &dst_ip);
1182 write_lock_bh(&mpc->ingress_lock); 1226 write_lock_bh(&mpc->ingress_lock);
1183 mpc->in_ops->remove_entry(entry, mpc); 1227 mpc->in_ops->remove_entry(entry, mpc);
@@ -1185,8 +1229,6 @@ static void ingress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1185 mpc->in_ops->put(entry); 1229 mpc->in_ops->put(entry);
1186 entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask); 1230 entry = mpc->in_ops->get_with_mask(dst_ip, mpc, mask);
1187 } while (entry != NULL); 1231 } while (entry != NULL);
1188
1189 return;
1190} 1232}
1191 1233
1192static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc) 1234static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
@@ -1195,7 +1237,8 @@ static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1195 eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(cache_id, mpc); 1237 eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(cache_id, mpc);
1196 1238
1197 if (entry == NULL) { 1239 if (entry == NULL) {
1198 dprintk("mpoa: (%s) egress_purge_rcvd: purge for a non-existing entry\n", mpc->dev->name); 1240 dprintk("(%s) purge for a non-existing entry\n",
1241 mpc->dev->name);
1199 return; 1242 return;
1200 } 1243 }
1201 1244
@@ -1204,8 +1247,6 @@ static void egress_purge_rcvd(struct k_message *msg, struct mpoa_client *mpc)
1204 write_unlock_irq(&mpc->egress_lock); 1247 write_unlock_irq(&mpc->egress_lock);
1205 1248
1206 mpc->eg_ops->put(entry); 1249 mpc->eg_ops->put(entry);
1207
1208 return;
1209} 1250}
1210 1251
1211static void purge_egress_shortcut(struct atm_vcc *vcc, eg_cache_entry *entry) 1252static void purge_egress_shortcut(struct atm_vcc *vcc, eg_cache_entry *entry)
@@ -1214,15 +1255,15 @@ static void purge_egress_shortcut(struct atm_vcc *vcc, eg_cache_entry *entry)
1214 struct k_message *purge_msg; 1255 struct k_message *purge_msg;
1215 struct sk_buff *skb; 1256 struct sk_buff *skb;
1216 1257
1217 dprintk("mpoa: purge_egress_shortcut: entering\n"); 1258 dprintk("entering\n");
1218 if (vcc == NULL) { 1259 if (vcc == NULL) {
1219 printk("mpoa: purge_egress_shortcut: vcc == NULL\n"); 1260 pr_info("vcc == NULL\n");
1220 return; 1261 return;
1221 } 1262 }
1222 1263
1223 skb = alloc_skb(sizeof(struct k_message), GFP_ATOMIC); 1264 skb = alloc_skb(sizeof(struct k_message), GFP_ATOMIC);
1224 if (skb == NULL) { 1265 if (skb == NULL) {
1225 printk("mpoa: purge_egress_shortcut: out of memory\n"); 1266 pr_info("out of memory\n");
1226 return; 1267 return;
1227 } 1268 }
1228 1269
@@ -1238,23 +1279,21 @@ static void purge_egress_shortcut(struct atm_vcc *vcc, eg_cache_entry *entry)
1238 sk = sk_atm(vcc); 1279 sk = sk_atm(vcc);
1239 skb_queue_tail(&sk->sk_receive_queue, skb); 1280 skb_queue_tail(&sk->sk_receive_queue, skb);
1240 sk->sk_data_ready(sk, skb->len); 1281 sk->sk_data_ready(sk, skb->len);
1241 dprintk("mpoa: purge_egress_shortcut: exiting:\n"); 1282 dprintk("exiting\n");
1242
1243 return;
1244} 1283}
1245 1284
1246/* 1285/*
1247 * Our MPS died. Tell our daemon to send NHRP data plane purge to each 1286 * Our MPS died. Tell our daemon to send NHRP data plane purge to each
1248 * of the egress shortcuts we have. 1287 * of the egress shortcuts we have.
1249 */ 1288 */
1250static void mps_death( struct k_message * msg, struct mpoa_client * mpc ) 1289static void mps_death(struct k_message *msg, struct mpoa_client *mpc)
1251{ 1290{
1252 eg_cache_entry *entry; 1291 eg_cache_entry *entry;
1253 1292
1254 dprintk("mpoa: (%s) mps_death:\n", mpc->dev->name); 1293 dprintk("(%s)\n", mpc->dev->name);
1255 1294
1256 if(memcmp(msg->MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN)){ 1295 if (memcmp(msg->MPS_ctrl, mpc->mps_ctrl_addr, ATM_ESA_LEN)) {
1257 printk("mpoa: (%s) mps_death: wrong MPS\n", mpc->dev->name); 1296 pr_info("(%s) wrong MPS\n", mpc->dev->name);
1258 return; 1297 return;
1259 } 1298 }
1260 1299
@@ -1269,24 +1308,23 @@ static void mps_death( struct k_message * msg, struct mpoa_client * mpc )
1269 1308
1270 mpc->in_ops->destroy_cache(mpc); 1309 mpc->in_ops->destroy_cache(mpc);
1271 mpc->eg_ops->destroy_cache(mpc); 1310 mpc->eg_ops->destroy_cache(mpc);
1272
1273 return;
1274} 1311}
1275 1312
1276static void MPOA_cache_impos_rcvd( struct k_message * msg, struct mpoa_client * mpc) 1313static void MPOA_cache_impos_rcvd(struct k_message *msg,
1314 struct mpoa_client *mpc)
1277{ 1315{
1278 uint16_t holding_time; 1316 uint16_t holding_time;
1279 eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(msg->content.eg_info.cache_id, mpc); 1317 eg_cache_entry *entry = mpc->eg_ops->get_by_cache_id(msg->content.eg_info.cache_id, mpc);
1280 1318
1281 holding_time = msg->content.eg_info.holding_time; 1319 holding_time = msg->content.eg_info.holding_time;
1282 dprintk("mpoa: (%s) MPOA_cache_impos_rcvd: entry = %p, holding_time = %u\n", 1320 dprintk("(%s) entry = %p, holding_time = %u\n",
1283 mpc->dev->name, entry, holding_time); 1321 mpc->dev->name, entry, holding_time);
1284 if(entry == NULL && holding_time) { 1322 if (entry == NULL && holding_time) {
1285 entry = mpc->eg_ops->add_entry(msg, mpc); 1323 entry = mpc->eg_ops->add_entry(msg, mpc);
1286 mpc->eg_ops->put(entry); 1324 mpc->eg_ops->put(entry);
1287 return; 1325 return;
1288 } 1326 }
1289 if(holding_time){ 1327 if (holding_time) {
1290 mpc->eg_ops->update(entry, holding_time); 1328 mpc->eg_ops->update(entry, holding_time);
1291 return; 1329 return;
1292 } 1330 }
@@ -1296,11 +1334,10 @@ static void MPOA_cache_impos_rcvd( struct k_message * msg, struct mpoa_client *
1296 write_unlock_irq(&mpc->egress_lock); 1334 write_unlock_irq(&mpc->egress_lock);
1297 1335
1298 mpc->eg_ops->put(entry); 1336 mpc->eg_ops->put(entry);
1299
1300 return;
1301} 1337}
1302 1338
1303static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg, struct mpoa_client *mpc) 1339static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg,
1340 struct mpoa_client *mpc)
1304{ 1341{
1305 struct lec_priv *priv; 1342 struct lec_priv *priv;
1306 int i, retval ; 1343 int i, retval ;
@@ -1315,39 +1352,40 @@ static void set_mpc_ctrl_addr_rcvd(struct k_message *mesg, struct mpoa_client *m
1315 memcpy(&tlv[7], mesg->MPS_ctrl, ATM_ESA_LEN); /* MPC ctrl ATM addr */ 1352 memcpy(&tlv[7], mesg->MPS_ctrl, ATM_ESA_LEN); /* MPC ctrl ATM addr */
1316 memcpy(mpc->our_ctrl_addr, mesg->MPS_ctrl, ATM_ESA_LEN); 1353 memcpy(mpc->our_ctrl_addr, mesg->MPS_ctrl, ATM_ESA_LEN);
1317 1354
1318 dprintk("mpoa: (%s) setting MPC ctrl ATM address to ", 1355 dprintk("(%s) setting MPC ctrl ATM address to",
1319 (mpc->dev) ? mpc->dev->name : "<unknown>"); 1356 mpc->dev ? mpc->dev->name : "<unknown>");
1320 for (i = 7; i < sizeof(tlv); i++) 1357 for (i = 7; i < sizeof(tlv); i++)
1321 dprintk("%02x ", tlv[i]); 1358 dprintk_cont(" %02x", tlv[i]);
1322 dprintk("\n"); 1359 dprintk_cont("\n");
1323 1360
1324 if (mpc->dev) { 1361 if (mpc->dev) {
1325 priv = netdev_priv(mpc->dev); 1362 priv = netdev_priv(mpc->dev);
1326 retval = priv->lane2_ops->associate_req(mpc->dev, mpc->dev->dev_addr, tlv, sizeof(tlv)); 1363 retval = priv->lane2_ops->associate_req(mpc->dev,
1364 mpc->dev->dev_addr,
1365 tlv, sizeof(tlv));
1327 if (retval == 0) 1366 if (retval == 0)
1328 printk("mpoa: (%s) MPOA device type TLV association failed\n", mpc->dev->name); 1367 pr_info("(%s) MPOA device type TLV association failed\n",
1368 mpc->dev->name);
1329 retval = priv->lane2_ops->resolve(mpc->dev, NULL, 1, NULL, NULL); 1369 retval = priv->lane2_ops->resolve(mpc->dev, NULL, 1, NULL, NULL);
1330 if (retval < 0) 1370 if (retval < 0)
1331 printk("mpoa: (%s) targetless LE_ARP request failed\n", mpc->dev->name); 1371 pr_info("(%s) targetless LE_ARP request failed\n",
1372 mpc->dev->name);
1332 } 1373 }
1333
1334 return;
1335} 1374}
1336 1375
1337static void set_mps_mac_addr_rcvd(struct k_message *msg, struct mpoa_client *client) 1376static void set_mps_mac_addr_rcvd(struct k_message *msg,
1377 struct mpoa_client *client)
1338{ 1378{
1339 1379
1340 if(client->number_of_mps_macs) 1380 if (client->number_of_mps_macs)
1341 kfree(client->mps_macs); 1381 kfree(client->mps_macs);
1342 client->number_of_mps_macs = 0; 1382 client->number_of_mps_macs = 0;
1343 client->mps_macs = kmemdup(msg->MPS_ctrl, ETH_ALEN, GFP_KERNEL); 1383 client->mps_macs = kmemdup(msg->MPS_ctrl, ETH_ALEN, GFP_KERNEL);
1344 if (client->mps_macs == NULL) { 1384 if (client->mps_macs == NULL) {
1345 printk("mpoa: set_mps_mac_addr_rcvd: out of memory\n"); 1385 pr_info("out of memory\n");
1346 return; 1386 return;
1347 } 1387 }
1348 client->number_of_mps_macs = 1; 1388 client->number_of_mps_macs = 1;
1349
1350 return;
1351} 1389}
1352 1390
1353/* 1391/*
@@ -1363,17 +1401,16 @@ static void clean_up(struct k_message *msg, struct mpoa_client *mpc, int action)
1363 /* FIXME: This knows too much of the cache structure */ 1401 /* FIXME: This knows too much of the cache structure */
1364 read_lock_irq(&mpc->egress_lock); 1402 read_lock_irq(&mpc->egress_lock);
1365 entry = mpc->eg_cache; 1403 entry = mpc->eg_cache;
1366 while (entry != NULL){ 1404 while (entry != NULL) {
1367 msg->content.eg_info = entry->ctrl_info; 1405 msg->content.eg_info = entry->ctrl_info;
1368 dprintk("mpoa: cache_id %u\n", entry->ctrl_info.cache_id); 1406 dprintk("cache_id %u\n", entry->ctrl_info.cache_id);
1369 msg_to_mpoad(msg, mpc); 1407 msg_to_mpoad(msg, mpc);
1370 entry = entry->next; 1408 entry = entry->next;
1371 } 1409 }
1372 read_unlock_irq(&mpc->egress_lock); 1410 read_unlock_irq(&mpc->egress_lock);
1373 1411
1374 msg->type = action; 1412 msg->type = action;
1375 msg_to_mpoad(msg, mpc); 1413 msg_to_mpoad(msg, mpc);
1376 return;
1377} 1414}
1378 1415
1379static void mpc_timer_refresh(void) 1416static void mpc_timer_refresh(void)
@@ -1382,35 +1419,34 @@ static void mpc_timer_refresh(void)
1382 mpc_timer.data = mpc_timer.expires; 1419 mpc_timer.data = mpc_timer.expires;
1383 mpc_timer.function = mpc_cache_check; 1420 mpc_timer.function = mpc_cache_check;
1384 add_timer(&mpc_timer); 1421 add_timer(&mpc_timer);
1385
1386 return;
1387} 1422}
1388 1423
1389static void mpc_cache_check( unsigned long checking_time ) 1424static void mpc_cache_check(unsigned long checking_time)
1390{ 1425{
1391 struct mpoa_client *mpc = mpcs; 1426 struct mpoa_client *mpc = mpcs;
1392 static unsigned long previous_resolving_check_time; 1427 static unsigned long previous_resolving_check_time;
1393 static unsigned long previous_refresh_time; 1428 static unsigned long previous_refresh_time;
1394 1429
1395 while( mpc != NULL ){ 1430 while (mpc != NULL) {
1396 mpc->in_ops->clear_count(mpc); 1431 mpc->in_ops->clear_count(mpc);
1397 mpc->eg_ops->clear_expired(mpc); 1432 mpc->eg_ops->clear_expired(mpc);
1398 if(checking_time - previous_resolving_check_time > mpc->parameters.mpc_p4 * HZ ){ 1433 if (checking_time - previous_resolving_check_time >
1434 mpc->parameters.mpc_p4 * HZ) {
1399 mpc->in_ops->check_resolving(mpc); 1435 mpc->in_ops->check_resolving(mpc);
1400 previous_resolving_check_time = checking_time; 1436 previous_resolving_check_time = checking_time;
1401 } 1437 }
1402 if(checking_time - previous_refresh_time > mpc->parameters.mpc_p5 * HZ ){ 1438 if (checking_time - previous_refresh_time >
1439 mpc->parameters.mpc_p5 * HZ) {
1403 mpc->in_ops->refresh(mpc); 1440 mpc->in_ops->refresh(mpc);
1404 previous_refresh_time = checking_time; 1441 previous_refresh_time = checking_time;
1405 } 1442 }
1406 mpc = mpc->next; 1443 mpc = mpc->next;
1407 } 1444 }
1408 mpc_timer_refresh(); 1445 mpc_timer_refresh();
1409
1410 return;
1411} 1446}
1412 1447
1413static int atm_mpoa_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) 1448static int atm_mpoa_ioctl(struct socket *sock, unsigned int cmd,
1449 unsigned long arg)
1414{ 1450{
1415 int err = 0; 1451 int err = 0;
1416 struct atm_vcc *vcc = ATM_SD(sock); 1452 struct atm_vcc *vcc = ATM_SD(sock);
@@ -1422,21 +1458,20 @@ static int atm_mpoa_ioctl(struct socket *sock, unsigned int cmd, unsigned long a
1422 return -EPERM; 1458 return -EPERM;
1423 1459
1424 switch (cmd) { 1460 switch (cmd) {
1425 case ATMMPC_CTRL: 1461 case ATMMPC_CTRL:
1426 err = atm_mpoa_mpoad_attach(vcc, (int)arg); 1462 err = atm_mpoa_mpoad_attach(vcc, (int)arg);
1427 if (err >= 0) 1463 if (err >= 0)
1428 sock->state = SS_CONNECTED; 1464 sock->state = SS_CONNECTED;
1429 break; 1465 break;
1430 case ATMMPC_DATA: 1466 case ATMMPC_DATA:
1431 err = atm_mpoa_vcc_attach(vcc, (void __user *)arg); 1467 err = atm_mpoa_vcc_attach(vcc, (void __user *)arg);
1432 break; 1468 break;
1433 default: 1469 default:
1434 break; 1470 break;
1435 } 1471 }
1436 return err; 1472 return err;
1437} 1473}
1438 1474
1439
1440static struct atm_ioctl atm_ioctl_ops = { 1475static struct atm_ioctl atm_ioctl_ops = {
1441 .owner = THIS_MODULE, 1476 .owner = THIS_MODULE,
1442 .ioctl = atm_mpoa_ioctl, 1477 .ioctl = atm_mpoa_ioctl,
@@ -1447,9 +1482,9 @@ static __init int atm_mpoa_init(void)
1447 register_atm_ioctl(&atm_ioctl_ops); 1482 register_atm_ioctl(&atm_ioctl_ops);
1448 1483
1449 if (mpc_proc_init() != 0) 1484 if (mpc_proc_init() != 0)
1450 printk(KERN_INFO "mpoa: failed to initialize /proc/mpoa\n"); 1485 pr_info("failed to initialize /proc/mpoa\n");
1451 1486
1452 printk("mpc.c: " __DATE__ " " __TIME__ " initialized\n"); 1487 pr_info("mpc.c: " __DATE__ " " __TIME__ " initialized\n");
1453 1488
1454 return 0; 1489 return 0;
1455} 1490}
@@ -1476,15 +1511,15 @@ static void __exit atm_mpoa_cleanup(void)
1476 if (priv->lane2_ops != NULL) 1511 if (priv->lane2_ops != NULL)
1477 priv->lane2_ops->associate_indicator = NULL; 1512 priv->lane2_ops->associate_indicator = NULL;
1478 } 1513 }
1479 ddprintk("mpoa: cleanup_module: about to clear caches\n"); 1514 ddprintk("about to clear caches\n");
1480 mpc->in_ops->destroy_cache(mpc); 1515 mpc->in_ops->destroy_cache(mpc);
1481 mpc->eg_ops->destroy_cache(mpc); 1516 mpc->eg_ops->destroy_cache(mpc);
1482 ddprintk("mpoa: cleanup_module: caches cleared\n"); 1517 ddprintk("caches cleared\n");
1483 kfree(mpc->mps_macs); 1518 kfree(mpc->mps_macs);
1484 memset(mpc, 0, sizeof(struct mpoa_client)); 1519 memset(mpc, 0, sizeof(struct mpoa_client));
1485 ddprintk("mpoa: cleanup_module: about to kfree %p\n", mpc); 1520 ddprintk("about to kfree %p\n", mpc);
1486 kfree(mpc); 1521 kfree(mpc);
1487 ddprintk("mpoa: cleanup_module: next mpc is at %p\n", tmp); 1522 ddprintk("next mpc is at %p\n", tmp);
1488 mpc = tmp; 1523 mpc = tmp;
1489 } 1524 }
1490 1525
@@ -1492,12 +1527,10 @@ static void __exit atm_mpoa_cleanup(void)
1492 qos_head = NULL; 1527 qos_head = NULL;
1493 while (qos != NULL) { 1528 while (qos != NULL) {
1494 nextqos = qos->next; 1529 nextqos = qos->next;
1495 dprintk("mpoa: cleanup_module: freeing qos entry %p\n", qos); 1530 dprintk("freeing qos entry %p\n", qos);
1496 kfree(qos); 1531 kfree(qos);
1497 qos = nextqos; 1532 qos = nextqos;
1498 } 1533 }
1499
1500 return;
1501} 1534}
1502 1535
1503module_init(atm_mpoa_init); 1536module_init(atm_mpoa_init);