af_bluetooth.c (c87985a3ce723995fc7b25e598238d67154108a1) af_bluetooth.c (256a06c8a85df676e80263af349daad1283e529e)
1/*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as

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23*/
24
25/* Bluetooth address family and sockets. */
26
27#include <linux/module.h>
28#include <asm/ioctls.h>
29
30#include <net/bluetooth/bluetooth.h>
1/*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as

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23*/
24
25/* Bluetooth address family and sockets. */
26
27#include <linux/module.h>
28#include <asm/ioctls.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <linux/proc_fs.h>
31
32#define VERSION "2.16"
33
34/* Bluetooth sockets */
35#define BT_MAX_PROTO 8
36static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
37static DEFINE_RWLOCK(bt_proto_lock);
38

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527 break;
528 }
529 __set_current_state(TASK_RUNNING);
530 remove_wait_queue(sk_sleep(sk), &wait);
531 return err;
532}
533EXPORT_SYMBOL(bt_sock_wait_state);
534
32
33#define VERSION "2.16"
34
35/* Bluetooth sockets */
36#define BT_MAX_PROTO 8
37static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
38static DEFINE_RWLOCK(bt_proto_lock);
39

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528 break;
529 }
530 __set_current_state(TASK_RUNNING);
531 remove_wait_queue(sk_sleep(sk), &wait);
532 return err;
533}
534EXPORT_SYMBOL(bt_sock_wait_state);
535
536#ifdef CONFIG_PROC_FS
537struct bt_seq_state {
538 struct bt_sock_list *l;
539};
540
541static void *bt_seq_start(struct seq_file *seq, loff_t *pos)
542 __acquires(seq->private->l->lock)
543{
544 struct bt_seq_state *s = seq->private;
545 struct bt_sock_list *l = s->l;
546
547 read_lock(&l->lock);
548 return seq_hlist_start_head(&l->head, *pos);
549}
550
551static void *bt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
552{
553 struct bt_seq_state *s = seq->private;
554 struct bt_sock_list *l = s->l;
555
556 return seq_hlist_next(v, &l->head, pos);
557}
558
559static void bt_seq_stop(struct seq_file *seq, void *v)
560 __releases(seq->private->l->lock)
561{
562 struct bt_seq_state *s = seq->private;
563 struct bt_sock_list *l = s->l;
564
565 read_unlock(&l->lock);
566}
567
568static int bt_seq_show(struct seq_file *seq, void *v)
569{
570 struct sock *sk;
571 struct bt_sock *bt;
572 struct bt_seq_state *s = seq->private;
573 struct bt_sock_list *l = s->l;
574 bdaddr_t src_baswapped, dst_baswapped;
575
576 if (v == SEQ_START_TOKEN) {
577 seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent");
578
579 if (l->custom_seq_show) {
580 seq_putc(seq, ' ');
581 l->custom_seq_show(seq, v);
582 }
583
584 seq_putc(seq, '\n');
585 } else {
586 sk = sk_entry(v);
587 bt = bt_sk(sk);
588 baswap(&src_baswapped, &bt->src);
589 baswap(&dst_baswapped, &bt->dst);
590
591 seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %pM %pM %-6lu",
592 sk,
593 atomic_read(&sk->sk_refcnt),
594 sk_rmem_alloc_get(sk),
595 sk_wmem_alloc_get(sk),
596 sock_i_uid(sk),
597 sock_i_ino(sk),
598 &src_baswapped,
599 &dst_baswapped,
600 bt->parent? sock_i_ino(bt->parent): 0LU);
601
602 if (l->custom_seq_show) {
603 seq_putc(seq, ' ');
604 l->custom_seq_show(seq, v);
605 }
606
607 seq_putc(seq, '\n');
608 }
609 return 0;
610}
611
612static struct seq_operations bt_seq_ops = {
613 .start = bt_seq_start,
614 .next = bt_seq_next,
615 .stop = bt_seq_stop,
616 .show = bt_seq_show,
617};
618
619static int bt_seq_open(struct inode *inode, struct file *file)
620{
621 struct bt_sock_list *sk_list;
622 struct bt_seq_state *s;
623
624 sk_list = PDE(inode)->data;
625 s = __seq_open_private(file, &bt_seq_ops,
626 sizeof(struct bt_seq_state));
627 if (s == NULL)
628 return -ENOMEM;
629
630 s->l = sk_list;
631 return 0;
632}
633
634int bt_procfs_init(struct module* module, struct net *net, const char *name,
635 struct bt_sock_list* sk_list,
636 int (* seq_show)(struct seq_file *, void *))
637{
638 struct proc_dir_entry * pde;
639
640 sk_list->custom_seq_show = seq_show;
641
642 sk_list->fops.owner = module;
643 sk_list->fops.open = bt_seq_open;
644 sk_list->fops.read = seq_read;
645 sk_list->fops.llseek = seq_lseek;
646 sk_list->fops.release = seq_release_private;
647
648 pde = proc_net_fops_create(net, name, 0, &sk_list->fops);
649 if (pde == NULL)
650 return -ENOMEM;
651
652 pde->data = sk_list;
653
654 return 0;
655}
656
657void bt_procfs_cleanup(struct net *net, const char *name)
658{
659 proc_net_remove(net, name);
660}
661#else
662int bt_procfs_init(struct module* module, struct net *net, const char *name,
663 struct bt_sock_list* sk_list,
664 int (* seq_show)(struct seq_file *, void *))
665{
666 return 0;
667}
668
669void bt_procfs_cleanup(struct net *net, const char *name)
670{
671}
672#endif
673EXPORT_SYMBOL(bt_procfs_init);
674EXPORT_SYMBOL(bt_procfs_cleanup);
675
535static struct net_proto_family bt_sock_family_ops = {
536 .owner = THIS_MODULE,
537 .family = PF_BLUETOOTH,
538 .create = bt_sock_create,
539};
540
541static int __init bt_init(void)
542{

--- 64 unchanged lines hidden --- 		676static struct net_proto_family bt_sock_family_ops = {
677 .owner = THIS_MODULE,
678 .family = PF_BLUETOOTH,
679 .create = bt_sock_create,
680};
681
682static int __init bt_init(void)
683{

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