diff options
author | Joe Perches <joe@perches.com> | 2010-01-26 06:40:06 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-01-27 00:15:59 -0500 |
commit | a8147d737bd37bd51bb01737ac9c17a2cfc02a38 (patch) | |
tree | dcdfccc62918b176e1c3a6dc4d8820651a8de200 /net/atm/common.c | |
parent | e956ea1b7de1df5ae4d6dc3e7460ed9e140803cd (diff) |
net/atm/common.c: checkpatch cleanups
Convert #include <asm... to #include <linux...
Move EXPORT_SYMBOL
Spacing cleanups
Use __func__ in printks
Indent switch/case statements
Move trailing statements to new line
Hoist assigns from if tests
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/atm/common.c')
-rw-r--r-- | net/atm/common.c | 338 |
1 files changed, 173 insertions, 165 deletions
diff --git a/net/atm/common.c b/net/atm/common.c index 17f7e5f2131b..74d095a081e3 100644 --- a/net/atm/common.c +++ b/net/atm/common.c | |||
@@ -19,11 +19,10 @@ | |||
19 | #include <linux/bitops.h> | 19 | #include <linux/bitops.h> |
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <net/sock.h> /* struct sock */ | 21 | #include <net/sock.h> /* struct sock */ |
22 | #include <linux/uaccess.h> | ||
23 | #include <linux/poll.h> | ||
22 | 24 | ||
23 | #include <asm/uaccess.h> | ||
24 | #include <asm/atomic.h> | 25 | #include <asm/atomic.h> |
25 | #include <asm/poll.h> | ||
26 | |||
27 | 26 | ||
28 | #include "resources.h" /* atm_find_dev */ | 27 | #include "resources.h" /* atm_find_dev */ |
29 | #include "common.h" /* prototypes */ | 28 | #include "common.h" /* prototypes */ |
@@ -32,13 +31,15 @@ | |||
32 | #include "signaling.h" /* for WAITING and sigd_attach */ | 31 | #include "signaling.h" /* for WAITING and sigd_attach */ |
33 | 32 | ||
34 | struct hlist_head vcc_hash[VCC_HTABLE_SIZE]; | 33 | struct hlist_head vcc_hash[VCC_HTABLE_SIZE]; |
34 | EXPORT_SYMBOL(vcc_hash); | ||
35 | |||
35 | DEFINE_RWLOCK(vcc_sklist_lock); | 36 | DEFINE_RWLOCK(vcc_sklist_lock); |
37 | EXPORT_SYMBOL(vcc_sklist_lock); | ||
36 | 38 | ||
37 | static void __vcc_insert_socket(struct sock *sk) | 39 | static void __vcc_insert_socket(struct sock *sk) |
38 | { | 40 | { |
39 | struct atm_vcc *vcc = atm_sk(sk); | 41 | struct atm_vcc *vcc = atm_sk(sk); |
40 | struct hlist_head *head = &vcc_hash[vcc->vci & | 42 | struct hlist_head *head = &vcc_hash[vcc->vci & (VCC_HTABLE_SIZE - 1)]; |
41 | (VCC_HTABLE_SIZE - 1)]; | ||
42 | sk->sk_hash = vcc->vci & (VCC_HTABLE_SIZE - 1); | 43 | sk->sk_hash = vcc->vci & (VCC_HTABLE_SIZE - 1); |
43 | sk_add_node(sk, head); | 44 | sk_add_node(sk, head); |
44 | } | 45 | } |
@@ -49,6 +50,7 @@ void vcc_insert_socket(struct sock *sk) | |||
49 | __vcc_insert_socket(sk); | 50 | __vcc_insert_socket(sk); |
50 | write_unlock_irq(&vcc_sklist_lock); | 51 | write_unlock_irq(&vcc_sklist_lock); |
51 | } | 52 | } |
53 | EXPORT_SYMBOL(vcc_insert_socket); | ||
52 | 54 | ||
53 | static void vcc_remove_socket(struct sock *sk) | 55 | static void vcc_remove_socket(struct sock *sk) |
54 | { | 56 | { |
@@ -57,8 +59,7 @@ static void vcc_remove_socket(struct sock *sk) | |||
57 | write_unlock_irq(&vcc_sklist_lock); | 59 | write_unlock_irq(&vcc_sklist_lock); |
58 | } | 60 | } |
59 | 61 | ||
60 | 62 | static struct sk_buff *alloc_tx(struct atm_vcc *vcc, unsigned int size) | |
61 | static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size) | ||
62 | { | 63 | { |
63 | struct sk_buff *skb; | 64 | struct sk_buff *skb; |
64 | struct sock *sk = sk_atm(vcc); | 65 | struct sock *sk = sk_atm(vcc); |
@@ -70,23 +71,20 @@ static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size) | |||
70 | } | 71 | } |
71 | while (!(skb = alloc_skb(size, GFP_KERNEL))) | 72 | while (!(skb = alloc_skb(size, GFP_KERNEL))) |
72 | schedule(); | 73 | schedule(); |
73 | pr_debug("AlTx %d += %d\n", sk_wmem_alloc_get(sk), skb->truesize); | 74 | pr_debug("%d += %d\n", sk_wmem_alloc_get(sk), skb->truesize); |
74 | atomic_add(skb->truesize, &sk->sk_wmem_alloc); | 75 | atomic_add(skb->truesize, &sk->sk_wmem_alloc); |
75 | return skb; | 76 | return skb; |
76 | } | 77 | } |
77 | 78 | ||
78 | |||
79 | EXPORT_SYMBOL(vcc_hash); | ||
80 | EXPORT_SYMBOL(vcc_sklist_lock); | ||
81 | EXPORT_SYMBOL(vcc_insert_socket); | ||
82 | |||
83 | static void vcc_sock_destruct(struct sock *sk) | 79 | static void vcc_sock_destruct(struct sock *sk) |
84 | { | 80 | { |
85 | if (atomic_read(&sk->sk_rmem_alloc)) | 81 | if (atomic_read(&sk->sk_rmem_alloc)) |
86 | printk(KERN_DEBUG "vcc_sock_destruct: rmem leakage (%d bytes) detected.\n", atomic_read(&sk->sk_rmem_alloc)); | 82 | printk(KERN_DEBUG "%s: rmem leakage (%d bytes) detected.\n", |
83 | __func__, atomic_read(&sk->sk_rmem_alloc)); | ||
87 | 84 | ||
88 | if (atomic_read(&sk->sk_wmem_alloc)) | 85 | if (atomic_read(&sk->sk_wmem_alloc)) |
89 | printk(KERN_DEBUG "vcc_sock_destruct: wmem leakage (%d bytes) detected.\n", atomic_read(&sk->sk_wmem_alloc)); | 86 | printk(KERN_DEBUG "%s: wmem leakage (%d bytes) detected.\n", |
87 | __func__, atomic_read(&sk->sk_wmem_alloc)); | ||
90 | } | 88 | } |
91 | 89 | ||
92 | static void vcc_def_wakeup(struct sock *sk) | 90 | static void vcc_def_wakeup(struct sock *sk) |
@@ -142,8 +140,8 @@ int vcc_create(struct net *net, struct socket *sock, int protocol, int family) | |||
142 | 140 | ||
143 | vcc = atm_sk(sk); | 141 | vcc = atm_sk(sk); |
144 | vcc->dev = NULL; | 142 | vcc->dev = NULL; |
145 | memset(&vcc->local,0,sizeof(struct sockaddr_atmsvc)); | 143 | memset(&vcc->local, 0, sizeof(struct sockaddr_atmsvc)); |
146 | memset(&vcc->remote,0,sizeof(struct sockaddr_atmsvc)); | 144 | memset(&vcc->remote, 0, sizeof(struct sockaddr_atmsvc)); |
147 | vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */ | 145 | vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */ |
148 | atomic_set(&sk->sk_wmem_alloc, 1); | 146 | atomic_set(&sk->sk_wmem_alloc, 1); |
149 | atomic_set(&sk->sk_rmem_alloc, 0); | 147 | atomic_set(&sk->sk_rmem_alloc, 0); |
@@ -156,7 +154,6 @@ int vcc_create(struct net *net, struct socket *sock, int protocol, int family) | |||
156 | return 0; | 154 | return 0; |
157 | } | 155 | } |
158 | 156 | ||
159 | |||
160 | static void vcc_destroy_socket(struct sock *sk) | 157 | static void vcc_destroy_socket(struct sock *sk) |
161 | { | 158 | { |
162 | struct atm_vcc *vcc = atm_sk(sk); | 159 | struct atm_vcc *vcc = atm_sk(sk); |
@@ -171,7 +168,7 @@ static void vcc_destroy_socket(struct sock *sk) | |||
171 | vcc->push(vcc, NULL); /* atmarpd has no push */ | 168 | vcc->push(vcc, NULL); /* atmarpd has no push */ |
172 | 169 | ||
173 | while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { | 170 | while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { |
174 | atm_return(vcc,skb->truesize); | 171 | atm_return(vcc, skb->truesize); |
175 | kfree_skb(skb); | 172 | kfree_skb(skb); |
176 | } | 173 | } |
177 | 174 | ||
@@ -182,7 +179,6 @@ static void vcc_destroy_socket(struct sock *sk) | |||
182 | vcc_remove_socket(sk); | 179 | vcc_remove_socket(sk); |
183 | } | 180 | } |
184 | 181 | ||
185 | |||
186 | int vcc_release(struct socket *sock) | 182 | int vcc_release(struct socket *sock) |
187 | { | 183 | { |
188 | struct sock *sk = sock->sk; | 184 | struct sock *sk = sock->sk; |
@@ -197,7 +193,6 @@ int vcc_release(struct socket *sock) | |||
197 | return 0; | 193 | return 0; |
198 | } | 194 | } |
199 | 195 | ||
200 | |||
201 | void vcc_release_async(struct atm_vcc *vcc, int reply) | 196 | void vcc_release_async(struct atm_vcc *vcc, int reply) |
202 | { | 197 | { |
203 | struct sock *sk = sk_atm(vcc); | 198 | struct sock *sk = sk_atm(vcc); |
@@ -208,8 +203,6 @@ void vcc_release_async(struct atm_vcc *vcc, int reply) | |||
208 | clear_bit(ATM_VF_WAITING, &vcc->flags); | 203 | clear_bit(ATM_VF_WAITING, &vcc->flags); |
209 | sk->sk_state_change(sk); | 204 | sk->sk_state_change(sk); |
210 | } | 205 | } |
211 | |||
212 | |||
213 | EXPORT_SYMBOL(vcc_release_async); | 206 | EXPORT_SYMBOL(vcc_release_async); |
214 | 207 | ||
215 | 208 | ||
@@ -235,36 +228,37 @@ void atm_dev_release_vccs(struct atm_dev *dev) | |||
235 | write_unlock_irq(&vcc_sklist_lock); | 228 | write_unlock_irq(&vcc_sklist_lock); |
236 | } | 229 | } |
237 | 230 | ||
238 | 231 | static int adjust_tp(struct atm_trafprm *tp, unsigned char aal) | |
239 | static int adjust_tp(struct atm_trafprm *tp,unsigned char aal) | ||
240 | { | 232 | { |
241 | int max_sdu; | 233 | int max_sdu; |
242 | 234 | ||
243 | if (!tp->traffic_class) return 0; | 235 | if (!tp->traffic_class) |
236 | return 0; | ||
244 | switch (aal) { | 237 | switch (aal) { |
245 | case ATM_AAL0: | 238 | case ATM_AAL0: |
246 | max_sdu = ATM_CELL_SIZE-1; | 239 | max_sdu = ATM_CELL_SIZE-1; |
247 | break; | 240 | break; |
248 | case ATM_AAL34: | 241 | case ATM_AAL34: |
249 | max_sdu = ATM_MAX_AAL34_PDU; | 242 | max_sdu = ATM_MAX_AAL34_PDU; |
250 | break; | 243 | break; |
251 | default: | 244 | default: |
252 | pr_warning("AAL problems ... (%d)\n", aal); | 245 | pr_warning("AAL problems ... (%d)\n", aal); |
253 | /* fall through */ | 246 | /* fall through */ |
254 | case ATM_AAL5: | 247 | case ATM_AAL5: |
255 | max_sdu = ATM_MAX_AAL5_PDU; | 248 | max_sdu = ATM_MAX_AAL5_PDU; |
256 | } | 249 | } |
257 | if (!tp->max_sdu) tp->max_sdu = max_sdu; | 250 | if (!tp->max_sdu) |
258 | else if (tp->max_sdu > max_sdu) return -EINVAL; | 251 | tp->max_sdu = max_sdu; |
259 | if (!tp->max_cdv) tp->max_cdv = ATM_MAX_CDV; | 252 | else if (tp->max_sdu > max_sdu) |
253 | return -EINVAL; | ||
254 | if (!tp->max_cdv) | ||
255 | tp->max_cdv = ATM_MAX_CDV; | ||
260 | return 0; | 256 | return 0; |
261 | } | 257 | } |
262 | 258 | ||
263 | |||
264 | static int check_ci(const struct atm_vcc *vcc, short vpi, int vci) | 259 | static int check_ci(const struct atm_vcc *vcc, short vpi, int vci) |
265 | { | 260 | { |
266 | struct hlist_head *head = &vcc_hash[vci & | 261 | struct hlist_head *head = &vcc_hash[vci & (VCC_HTABLE_SIZE - 1)]; |
267 | (VCC_HTABLE_SIZE - 1)]; | ||
268 | struct hlist_node *node; | 262 | struct hlist_node *node; |
269 | struct sock *s; | 263 | struct sock *s; |
270 | struct atm_vcc *walk; | 264 | struct atm_vcc *walk; |
@@ -288,7 +282,6 @@ static int check_ci(const struct atm_vcc *vcc, short vpi, int vci) | |||
288 | return 0; | 282 | return 0; |
289 | } | 283 | } |
290 | 284 | ||
291 | |||
292 | static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci) | 285 | static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci) |
293 | { | 286 | { |
294 | static short p; /* poor man's per-device cache */ | 287 | static short p; /* poor man's per-device cache */ |
@@ -326,14 +319,13 @@ static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci) | |||
326 | if ((c == ATM_NOT_RSV_VCI || *vci != ATM_VCI_ANY) && | 319 | if ((c == ATM_NOT_RSV_VCI || *vci != ATM_VCI_ANY) && |
327 | *vpi == ATM_VPI_ANY) { | 320 | *vpi == ATM_VPI_ANY) { |
328 | p++; | 321 | p++; |
329 | if (p >= 1 << vcc->dev->ci_range.vpi_bits) p = 0; | 322 | if (p >= 1 << vcc->dev->ci_range.vpi_bits) |
323 | p = 0; | ||
330 | } | 324 | } |
331 | } | 325 | } while (old_p != p || old_c != c); |
332 | while (old_p != p || old_c != c); | ||
333 | return -EADDRINUSE; | 326 | return -EADDRINUSE; |
334 | } | 327 | } |
335 | 328 | ||
336 | |||
337 | static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi, | 329 | static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi, |
338 | int vci) | 330 | int vci) |
339 | { | 331 | { |
@@ -361,27 +353,29 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi, | |||
361 | __vcc_insert_socket(sk); | 353 | __vcc_insert_socket(sk); |
362 | write_unlock_irq(&vcc_sklist_lock); | 354 | write_unlock_irq(&vcc_sklist_lock); |
363 | switch (vcc->qos.aal) { | 355 | switch (vcc->qos.aal) { |
364 | case ATM_AAL0: | 356 | case ATM_AAL0: |
365 | error = atm_init_aal0(vcc); | 357 | error = atm_init_aal0(vcc); |
366 | vcc->stats = &dev->stats.aal0; | 358 | vcc->stats = &dev->stats.aal0; |
367 | break; | 359 | break; |
368 | case ATM_AAL34: | 360 | case ATM_AAL34: |
369 | error = atm_init_aal34(vcc); | 361 | error = atm_init_aal34(vcc); |
370 | vcc->stats = &dev->stats.aal34; | 362 | vcc->stats = &dev->stats.aal34; |
371 | break; | 363 | break; |
372 | case ATM_NO_AAL: | 364 | case ATM_NO_AAL: |
373 | /* ATM_AAL5 is also used in the "0 for default" case */ | 365 | /* ATM_AAL5 is also used in the "0 for default" case */ |
374 | vcc->qos.aal = ATM_AAL5; | 366 | vcc->qos.aal = ATM_AAL5; |
375 | /* fall through */ | 367 | /* fall through */ |
376 | case ATM_AAL5: | 368 | case ATM_AAL5: |
377 | error = atm_init_aal5(vcc); | 369 | error = atm_init_aal5(vcc); |
378 | vcc->stats = &dev->stats.aal5; | 370 | vcc->stats = &dev->stats.aal5; |
379 | break; | 371 | break; |
380 | default: | 372 | default: |
381 | error = -EPROTOTYPE; | 373 | error = -EPROTOTYPE; |
382 | } | 374 | } |
383 | if (!error) error = adjust_tp(&vcc->qos.txtp,vcc->qos.aal); | 375 | if (!error) |
384 | if (!error) error = adjust_tp(&vcc->qos.rxtp,vcc->qos.aal); | 376 | error = adjust_tp(&vcc->qos.txtp, vcc->qos.aal); |
377 | if (!error) | ||
378 | error = adjust_tp(&vcc->qos.rxtp, vcc->qos.aal); | ||
385 | if (error) | 379 | if (error) |
386 | goto fail; | 380 | goto fail; |
387 | pr_debug("VCC %d.%d, AAL %d\n", vpi, vci, vcc->qos.aal); | 381 | pr_debug("VCC %d.%d, AAL %d\n", vpi, vci, vcc->qos.aal); |
@@ -397,7 +391,8 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi, | |||
397 | vcc->qos.rxtp.max_sdu); | 391 | vcc->qos.rxtp.max_sdu); |
398 | 392 | ||
399 | if (dev->ops->open) { | 393 | if (dev->ops->open) { |
400 | if ((error = dev->ops->open(vcc))) | 394 | error = dev->ops->open(vcc); |
395 | if (error) | ||
401 | goto fail; | 396 | goto fail; |
402 | } | 397 | } |
403 | return 0; | 398 | return 0; |
@@ -411,7 +406,6 @@ fail_module_put: | |||
411 | return error; | 406 | return error; |
412 | } | 407 | } |
413 | 408 | ||
414 | |||
415 | int vcc_connect(struct socket *sock, int itf, short vpi, int vci) | 409 | int vcc_connect(struct socket *sock, int itf, short vpi, int vci) |
416 | { | 410 | { |
417 | struct atm_dev *dev; | 411 | struct atm_dev *dev; |
@@ -427,16 +421,16 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci) | |||
427 | return -EINVAL; | 421 | return -EINVAL; |
428 | 422 | ||
429 | if (vpi != ATM_VPI_UNSPEC && vci != ATM_VCI_UNSPEC) | 423 | if (vpi != ATM_VPI_UNSPEC && vci != ATM_VCI_UNSPEC) |
430 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); | 424 | clear_bit(ATM_VF_PARTIAL, &vcc->flags); |
431 | else | 425 | else |
432 | if (test_bit(ATM_VF_PARTIAL,&vcc->flags)) | 426 | if (test_bit(ATM_VF_PARTIAL, &vcc->flags)) |
433 | return -EINVAL; | 427 | return -EINVAL; |
434 | pr_debug("(TX: cl %d,bw %d-%d,sdu %d; " | 428 | pr_debug("(TX: cl %d,bw %d-%d,sdu %d; " |
435 | "RX: cl %d,bw %d-%d,sdu %d,AAL %s%d)\n", | 429 | "RX: cl %d,bw %d-%d,sdu %d,AAL %s%d)\n", |
436 | vcc->qos.txtp.traffic_class, vcc->qos.txtp.min_pcr, | 430 | vcc->qos.txtp.traffic_class, vcc->qos.txtp.min_pcr, |
437 | vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_sdu, | 431 | vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_sdu, |
438 | vcc->qos.rxtp.traffic_class, vcc->qos.rxtp.min_pcr, | 432 | vcc->qos.rxtp.traffic_class, vcc->qos.rxtp.min_pcr, |
439 | vcc->qos.rxtp.max_pcr,vcc->qos.rxtp.max_sdu, | 433 | vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_sdu, |
440 | vcc->qos.aal == ATM_AAL5 ? "" : | 434 | vcc->qos.aal == ATM_AAL5 ? "" : |
441 | vcc->qos.aal == ATM_AAL0 ? "" : " ??? code ", | 435 | vcc->qos.aal == ATM_AAL0 ? "" : " ??? code ", |
442 | vcc->qos.aal == ATM_AAL0 ? 0 : vcc->qos.aal); | 436 | vcc->qos.aal == ATM_AAL0 ? 0 : vcc->qos.aal); |
@@ -446,12 +440,14 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci) | |||
446 | vcc->qos.rxtp.traffic_class == ATM_ANYCLASS) | 440 | vcc->qos.rxtp.traffic_class == ATM_ANYCLASS) |
447 | return -EINVAL; | 441 | return -EINVAL; |
448 | if (likely(itf != ATM_ITF_ANY)) { | 442 | if (likely(itf != ATM_ITF_ANY)) { |
449 | dev = try_then_request_module(atm_dev_lookup(itf), "atm-device-%d", itf); | 443 | dev = try_then_request_module(atm_dev_lookup(itf), |
444 | "atm-device-%d", itf); | ||
450 | } else { | 445 | } else { |
451 | dev = NULL; | 446 | dev = NULL; |
452 | mutex_lock(&atm_dev_mutex); | 447 | mutex_lock(&atm_dev_mutex); |
453 | if (!list_empty(&atm_devs)) { | 448 | if (!list_empty(&atm_devs)) { |
454 | dev = list_entry(atm_devs.next, struct atm_dev, dev_list); | 449 | dev = list_entry(atm_devs.next, |
450 | struct atm_dev, dev_list); | ||
455 | atm_dev_hold(dev); | 451 | atm_dev_hold(dev); |
456 | } | 452 | } |
457 | mutex_unlock(&atm_dev_mutex); | 453 | mutex_unlock(&atm_dev_mutex); |
@@ -464,13 +460,12 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci) | |||
464 | return error; | 460 | return error; |
465 | } | 461 | } |
466 | if (vpi == ATM_VPI_UNSPEC || vci == ATM_VCI_UNSPEC) | 462 | if (vpi == ATM_VPI_UNSPEC || vci == ATM_VCI_UNSPEC) |
467 | set_bit(ATM_VF_PARTIAL,&vcc->flags); | 463 | set_bit(ATM_VF_PARTIAL, &vcc->flags); |
468 | if (test_bit(ATM_VF_READY,&ATM_SD(sock)->flags)) | 464 | if (test_bit(ATM_VF_READY, &ATM_SD(sock)->flags)) |
469 | sock->state = SS_CONNECTED; | 465 | sock->state = SS_CONNECTED; |
470 | return 0; | 466 | return 0; |
471 | } | 467 | } |
472 | 468 | ||
473 | |||
474 | int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, | 469 | int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, |
475 | size_t size, int flags) | 470 | size_t size, int flags) |
476 | { | 471 | { |
@@ -484,8 +479,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, | |||
484 | if (flags & ~MSG_DONTWAIT) /* only handle MSG_DONTWAIT */ | 479 | if (flags & ~MSG_DONTWAIT) /* only handle MSG_DONTWAIT */ |
485 | return -EOPNOTSUPP; | 480 | return -EOPNOTSUPP; |
486 | vcc = ATM_SD(sock); | 481 | vcc = ATM_SD(sock); |
487 | if (test_bit(ATM_VF_RELEASED,&vcc->flags) || | 482 | if (test_bit(ATM_VF_RELEASED, &vcc->flags) || |
488 | test_bit(ATM_VF_CLOSE,&vcc->flags) || | 483 | test_bit(ATM_VF_CLOSE, &vcc->flags) || |
489 | !test_bit(ATM_VF_READY, &vcc->flags)) | 484 | !test_bit(ATM_VF_READY, &vcc->flags)) |
490 | return 0; | 485 | return 0; |
491 | 486 | ||
@@ -509,7 +504,6 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, | |||
509 | return copied; | 504 | return copied; |
510 | } | 505 | } |
511 | 506 | ||
512 | |||
513 | int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, | 507 | int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, |
514 | size_t total_len) | 508 | size_t total_len) |
515 | { | 509 | { |
@@ -517,7 +511,7 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, | |||
517 | DEFINE_WAIT(wait); | 511 | DEFINE_WAIT(wait); |
518 | struct atm_vcc *vcc; | 512 | struct atm_vcc *vcc; |
519 | struct sk_buff *skb; | 513 | struct sk_buff *skb; |
520 | int eff,error; | 514 | int eff, error; |
521 | const void __user *buff; | 515 | const void __user *buff; |
522 | int size; | 516 | int size; |
523 | 517 | ||
@@ -556,7 +550,7 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, | |||
556 | eff = (size+3) & ~3; /* align to word boundary */ | 550 | eff = (size+3) & ~3; /* align to word boundary */ |
557 | prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); | 551 | prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); |
558 | error = 0; | 552 | error = 0; |
559 | while (!(skb = alloc_tx(vcc,eff))) { | 553 | while (!(skb = alloc_tx(vcc, eff))) { |
560 | if (m->msg_flags & MSG_DONTWAIT) { | 554 | if (m->msg_flags & MSG_DONTWAIT) { |
561 | error = -EAGAIN; | 555 | error = -EAGAIN; |
562 | break; | 556 | break; |
@@ -566,9 +560,9 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, | |||
566 | error = -ERESTARTSYS; | 560 | error = -ERESTARTSYS; |
567 | break; | 561 | break; |
568 | } | 562 | } |
569 | if (test_bit(ATM_VF_RELEASED,&vcc->flags) || | 563 | if (test_bit(ATM_VF_RELEASED, &vcc->flags) || |
570 | test_bit(ATM_VF_CLOSE,&vcc->flags) || | 564 | test_bit(ATM_VF_CLOSE, &vcc->flags) || |
571 | !test_bit(ATM_VF_READY,&vcc->flags)) { | 565 | !test_bit(ATM_VF_READY, &vcc->flags)) { |
572 | error = -EPIPE; | 566 | error = -EPIPE; |
573 | send_sig(SIGPIPE, current, 0); | 567 | send_sig(SIGPIPE, current, 0); |
574 | break; | 568 | break; |
@@ -580,20 +574,20 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m, | |||
580 | goto out; | 574 | goto out; |
581 | skb->dev = NULL; /* for paths shared with net_device interfaces */ | 575 | skb->dev = NULL; /* for paths shared with net_device interfaces */ |
582 | ATM_SKB(skb)->atm_options = vcc->atm_options; | 576 | ATM_SKB(skb)->atm_options = vcc->atm_options; |
583 | if (copy_from_user(skb_put(skb,size),buff,size)) { | 577 | if (copy_from_user(skb_put(skb, size), buff, size)) { |
584 | kfree_skb(skb); | 578 | kfree_skb(skb); |
585 | error = -EFAULT; | 579 | error = -EFAULT; |
586 | goto out; | 580 | goto out; |
587 | } | 581 | } |
588 | if (eff != size) memset(skb->data+size,0,eff-size); | 582 | if (eff != size) |
589 | error = vcc->dev->ops->send(vcc,skb); | 583 | memset(skb->data + size, 0, eff-size); |
584 | error = vcc->dev->ops->send(vcc, skb); | ||
590 | error = error ? error : size; | 585 | error = error ? error : size; |
591 | out: | 586 | out: |
592 | release_sock(sk); | 587 | release_sock(sk); |
593 | return error; | 588 | return error; |
594 | } | 589 | } |
595 | 590 | ||
596 | |||
597 | unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait) | 591 | unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait) |
598 | { | 592 | { |
599 | struct sock *sk = sock->sk; | 593 | struct sock *sk = sock->sk; |
@@ -629,8 +623,7 @@ unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait) | |||
629 | return mask; | 623 | return mask; |
630 | } | 624 | } |
631 | 625 | ||
632 | 626 | static int atm_change_qos(struct atm_vcc *vcc, struct atm_qos *qos) | |
633 | static int atm_change_qos(struct atm_vcc *vcc,struct atm_qos *qos) | ||
634 | { | 627 | { |
635 | int error; | 628 | int error; |
636 | 629 | ||
@@ -642,25 +635,31 @@ static int atm_change_qos(struct atm_vcc *vcc,struct atm_qos *qos) | |||
642 | qos->rxtp.traffic_class != vcc->qos.rxtp.traffic_class || | 635 | qos->rxtp.traffic_class != vcc->qos.rxtp.traffic_class || |
643 | qos->txtp.traffic_class != vcc->qos.txtp.traffic_class) | 636 | qos->txtp.traffic_class != vcc->qos.txtp.traffic_class) |
644 | return -EINVAL; | 637 | return -EINVAL; |
645 | error = adjust_tp(&qos->txtp,qos->aal); | 638 | error = adjust_tp(&qos->txtp, qos->aal); |
646 | if (!error) error = adjust_tp(&qos->rxtp,qos->aal); | 639 | if (!error) |
647 | if (error) return error; | 640 | error = adjust_tp(&qos->rxtp, qos->aal); |
648 | if (!vcc->dev->ops->change_qos) return -EOPNOTSUPP; | 641 | if (error) |
642 | return error; | ||
643 | if (!vcc->dev->ops->change_qos) | ||
644 | return -EOPNOTSUPP; | ||
649 | if (sk_atm(vcc)->sk_family == AF_ATMPVC) | 645 | if (sk_atm(vcc)->sk_family == AF_ATMPVC) |
650 | return vcc->dev->ops->change_qos(vcc,qos,ATM_MF_SET); | 646 | return vcc->dev->ops->change_qos(vcc, qos, ATM_MF_SET); |
651 | return svc_change_qos(vcc,qos); | 647 | return svc_change_qos(vcc, qos); |
652 | } | 648 | } |
653 | 649 | ||
654 | |||
655 | static int check_tp(const struct atm_trafprm *tp) | 650 | static int check_tp(const struct atm_trafprm *tp) |
656 | { | 651 | { |
657 | /* @@@ Should be merged with adjust_tp */ | 652 | /* @@@ Should be merged with adjust_tp */ |
658 | if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS) return 0; | 653 | if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS) |
654 | return 0; | ||
659 | if (tp->traffic_class != ATM_UBR && !tp->min_pcr && !tp->pcr && | 655 | if (tp->traffic_class != ATM_UBR && !tp->min_pcr && !tp->pcr && |
660 | !tp->max_pcr) return -EINVAL; | 656 | !tp->max_pcr) |
661 | if (tp->min_pcr == ATM_MAX_PCR) return -EINVAL; | 657 | return -EINVAL; |
658 | if (tp->min_pcr == ATM_MAX_PCR) | ||
659 | return -EINVAL; | ||
662 | if (tp->min_pcr && tp->max_pcr && tp->max_pcr != ATM_MAX_PCR && | 660 | if (tp->min_pcr && tp->max_pcr && tp->max_pcr != ATM_MAX_PCR && |
663 | tp->min_pcr > tp->max_pcr) return -EINVAL; | 661 | tp->min_pcr > tp->max_pcr) |
662 | return -EINVAL; | ||
664 | /* | 663 | /* |
665 | * We allow pcr to be outside [min_pcr,max_pcr], because later | 664 | * We allow pcr to be outside [min_pcr,max_pcr], because later |
666 | * adjustment may still push it in the valid range. | 665 | * adjustment may still push it in the valid range. |
@@ -668,7 +667,6 @@ static int check_tp(const struct atm_trafprm *tp) | |||
668 | return 0; | 667 | return 0; |
669 | } | 668 | } |
670 | 669 | ||
671 | |||
672 | static int check_qos(const struct atm_qos *qos) | 670 | static int check_qos(const struct atm_qos *qos) |
673 | { | 671 | { |
674 | int error; | 672 | int error; |
@@ -678,9 +676,11 @@ static int check_qos(const struct atm_qos *qos) | |||
678 | if (qos->txtp.traffic_class != qos->rxtp.traffic_class && | 676 | if (qos->txtp.traffic_class != qos->rxtp.traffic_class && |
679 | qos->txtp.traffic_class && qos->rxtp.traffic_class && | 677 | qos->txtp.traffic_class && qos->rxtp.traffic_class && |
680 | qos->txtp.traffic_class != ATM_ANYCLASS && | 678 | qos->txtp.traffic_class != ATM_ANYCLASS && |
681 | qos->rxtp.traffic_class != ATM_ANYCLASS) return -EINVAL; | 679 | qos->rxtp.traffic_class != ATM_ANYCLASS) |
680 | return -EINVAL; | ||
682 | error = check_tp(&qos->txtp); | 681 | error = check_tp(&qos->txtp); |
683 | if (error) return error; | 682 | if (error) |
683 | return error; | ||
684 | return check_tp(&qos->rxtp); | 684 | return check_tp(&qos->rxtp); |
685 | } | 685 | } |
686 | 686 | ||
@@ -696,37 +696,41 @@ int vcc_setsockopt(struct socket *sock, int level, int optname, | |||
696 | 696 | ||
697 | vcc = ATM_SD(sock); | 697 | vcc = ATM_SD(sock); |
698 | switch (optname) { | 698 | switch (optname) { |
699 | case SO_ATMQOS: | 699 | case SO_ATMQOS: |
700 | { | 700 | { |
701 | struct atm_qos qos; | 701 | struct atm_qos qos; |
702 | 702 | ||
703 | if (copy_from_user(&qos,optval,sizeof(qos))) | 703 | if (copy_from_user(&qos, optval, sizeof(qos))) |
704 | return -EFAULT; | 704 | return -EFAULT; |
705 | error = check_qos(&qos); | 705 | error = check_qos(&qos); |
706 | if (error) return error; | 706 | if (error) |
707 | if (sock->state == SS_CONNECTED) | 707 | return error; |
708 | return atm_change_qos(vcc,&qos); | 708 | if (sock->state == SS_CONNECTED) |
709 | if (sock->state != SS_UNCONNECTED) | 709 | return atm_change_qos(vcc, &qos); |
710 | return -EBADFD; | 710 | if (sock->state != SS_UNCONNECTED) |
711 | vcc->qos = qos; | 711 | return -EBADFD; |
712 | set_bit(ATM_VF_HASQOS,&vcc->flags); | 712 | vcc->qos = qos; |
713 | return 0; | 713 | set_bit(ATM_VF_HASQOS, &vcc->flags); |
714 | } | 714 | return 0; |
715 | case SO_SETCLP: | ||
716 | if (get_user(value,(unsigned long __user *)optval)) | ||
717 | return -EFAULT; | ||
718 | if (value) vcc->atm_options |= ATM_ATMOPT_CLP; | ||
719 | else vcc->atm_options &= ~ATM_ATMOPT_CLP; | ||
720 | return 0; | ||
721 | default: | ||
722 | if (level == SOL_SOCKET) return -EINVAL; | ||
723 | break; | ||
724 | } | 715 | } |
725 | if (!vcc->dev || !vcc->dev->ops->setsockopt) return -EINVAL; | 716 | case SO_SETCLP: |
726 | return vcc->dev->ops->setsockopt(vcc,level,optname,optval,optlen); | 717 | if (get_user(value, (unsigned long __user *)optval)) |
718 | return -EFAULT; | ||
719 | if (value) | ||
720 | vcc->atm_options |= ATM_ATMOPT_CLP; | ||
721 | else | ||
722 | vcc->atm_options &= ~ATM_ATMOPT_CLP; | ||
723 | return 0; | ||
724 | default: | ||
725 | if (level == SOL_SOCKET) | ||
726 | return -EINVAL; | ||
727 | break; | ||
728 | } | ||
729 | if (!vcc->dev || !vcc->dev->ops->setsockopt) | ||
730 | return -EINVAL; | ||
731 | return vcc->dev->ops->setsockopt(vcc, level, optname, optval, optlen); | ||
727 | } | 732 | } |
728 | 733 | ||
729 | |||
730 | int vcc_getsockopt(struct socket *sock, int level, int optname, | 734 | int vcc_getsockopt(struct socket *sock, int level, int optname, |
731 | char __user *optval, int __user *optlen) | 735 | char __user *optval, int __user *optlen) |
732 | { | 736 | { |
@@ -740,33 +744,33 @@ int vcc_getsockopt(struct socket *sock, int level, int optname, | |||
740 | 744 | ||
741 | vcc = ATM_SD(sock); | 745 | vcc = ATM_SD(sock); |
742 | switch (optname) { | 746 | switch (optname) { |
743 | case SO_ATMQOS: | 747 | case SO_ATMQOS: |
744 | if (!test_bit(ATM_VF_HASQOS,&vcc->flags)) | 748 | if (!test_bit(ATM_VF_HASQOS, &vcc->flags)) |
745 | return -EINVAL; | 749 | return -EINVAL; |
746 | return copy_to_user(optval,&vcc->qos,sizeof(vcc->qos)) ? | 750 | return copy_to_user(optval, &vcc->qos, sizeof(vcc->qos)) |
747 | -EFAULT : 0; | 751 | ? -EFAULT : 0; |
748 | case SO_SETCLP: | 752 | case SO_SETCLP: |
749 | return put_user(vcc->atm_options & ATM_ATMOPT_CLP ? 1 : | 753 | return put_user(vcc->atm_options & ATM_ATMOPT_CLP ? 1 : 0, |
750 | 0,(unsigned long __user *)optval) ? -EFAULT : 0; | 754 | (unsigned long __user *)optval) ? -EFAULT : 0; |
751 | case SO_ATMPVC: | 755 | case SO_ATMPVC: |
752 | { | 756 | { |
753 | struct sockaddr_atmpvc pvc; | 757 | struct sockaddr_atmpvc pvc; |
754 | 758 | ||
755 | if (!vcc->dev || | 759 | if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags)) |
756 | !test_bit(ATM_VF_ADDR,&vcc->flags)) | 760 | return -ENOTCONN; |
757 | return -ENOTCONN; | 761 | pvc.sap_family = AF_ATMPVC; |
758 | pvc.sap_family = AF_ATMPVC; | 762 | pvc.sap_addr.itf = vcc->dev->number; |
759 | pvc.sap_addr.itf = vcc->dev->number; | 763 | pvc.sap_addr.vpi = vcc->vpi; |
760 | pvc.sap_addr.vpi = vcc->vpi; | 764 | pvc.sap_addr.vci = vcc->vci; |
761 | pvc.sap_addr.vci = vcc->vci; | 765 | return copy_to_user(optval, &pvc, sizeof(pvc)) ? -EFAULT : 0; |
762 | return copy_to_user(optval,&pvc,sizeof(pvc)) ? | 766 | } |
763 | -EFAULT : 0; | 767 | default: |
764 | } | 768 | if (level == SOL_SOCKET) |
765 | default: | 769 | return -EINVAL; |
766 | if (level == SOL_SOCKET) return -EINVAL; | ||
767 | break; | 770 | break; |
768 | } | 771 | } |
769 | if (!vcc->dev || !vcc->dev->ops->getsockopt) return -EINVAL; | 772 | if (!vcc->dev || !vcc->dev->ops->getsockopt) |
773 | return -EINVAL; | ||
770 | return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len); | 774 | return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len); |
771 | } | 775 | } |
772 | 776 | ||
@@ -774,22 +778,26 @@ static int __init atm_init(void) | |||
774 | { | 778 | { |
775 | int error; | 779 | int error; |
776 | 780 | ||
777 | if ((error = proto_register(&vcc_proto, 0)) < 0) | 781 | error = proto_register(&vcc_proto, 0); |
782 | if (error < 0) | ||
778 | goto out; | 783 | goto out; |
779 | 784 | error = atmpvc_init(); | |
780 | if ((error = atmpvc_init()) < 0) { | 785 | if (error < 0) { |
781 | pr_err("atmpvc_init() failed with %d\n", error); | 786 | pr_err("atmpvc_init() failed with %d\n", error); |
782 | goto out_unregister_vcc_proto; | 787 | goto out_unregister_vcc_proto; |
783 | } | 788 | } |
784 | if ((error = atmsvc_init()) < 0) { | 789 | error = atmsvc_init(); |
790 | if (error < 0) { | ||
785 | pr_err("atmsvc_init() failed with %d\n", error); | 791 | pr_err("atmsvc_init() failed with %d\n", error); |
786 | goto out_atmpvc_exit; | 792 | goto out_atmpvc_exit; |
787 | } | 793 | } |
788 | if ((error = atm_proc_init()) < 0) { | 794 | error = atm_proc_init(); |
795 | if (error < 0) { | ||
789 | pr_err("atm_proc_init() failed with %d\n", error); | 796 | pr_err("atm_proc_init() failed with %d\n", error); |
790 | goto out_atmsvc_exit; | 797 | goto out_atmsvc_exit; |
791 | } | 798 | } |
792 | if ((error = atm_sysfs_init()) < 0) { | 799 | error = atm_sysfs_init(); |
800 | if (error < 0) { | ||
793 | pr_err("atm_sysfs_init() failed with %d\n", error); | 801 | pr_err("atm_sysfs_init() failed with %d\n", error); |
794 | goto out_atmproc_exit; | 802 | goto out_atmproc_exit; |
795 | } | 803 | } |