cregit-Linux how code gets into the kernel

Release 4.7 net/bluetooth/af_bluetooth.c

Directory: net/bluetooth
/*
   BlueZ - Bluetooth protocol stack for Linux
   Copyright (C) 2000-2001 Qualcomm Incorporated

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
   SOFTWARE IS DISCLAIMED.
*/

/* Bluetooth address family and sockets. */

#include <linux/module.h>
#include <linux/debugfs.h>
#include <asm/ioctls.h>

#include <net/bluetooth/bluetooth.h>
#include <linux/proc_fs.h>

#include "selftest.h"

/* Bluetooth sockets */

#define BT_MAX_PROTO	8

static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
static DEFINE_RWLOCK(bt_proto_lock);


static struct lock_class_key bt_lock_key[BT_MAX_PROTO];

static const char *const bt_key_strings[BT_MAX_PROTO] = {
	"sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP",
	"sk_lock-AF_BLUETOOTH-BTPROTO_HCI",
	"sk_lock-AF_BLUETOOTH-BTPROTO_SCO",
	"sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM",
	"sk_lock-AF_BLUETOOTH-BTPROTO_BNEP",
	"sk_lock-AF_BLUETOOTH-BTPROTO_CMTP",
	"sk_lock-AF_BLUETOOTH-BTPROTO_HIDP",
	"sk_lock-AF_BLUETOOTH-BTPROTO_AVDTP",
};


static struct lock_class_key bt_slock_key[BT_MAX_PROTO];

static const char *const bt_slock_key_strings[BT_MAX_PROTO] = {
	"slock-AF_BLUETOOTH-BTPROTO_L2CAP",
	"slock-AF_BLUETOOTH-BTPROTO_HCI",
	"slock-AF_BLUETOOTH-BTPROTO_SCO",
	"slock-AF_BLUETOOTH-BTPROTO_RFCOMM",
	"slock-AF_BLUETOOTH-BTPROTO_BNEP",
	"slock-AF_BLUETOOTH-BTPROTO_CMTP",
	"slock-AF_BLUETOOTH-BTPROTO_HIDP",
	"slock-AF_BLUETOOTH-BTPROTO_AVDTP",
};


void bt_sock_reclassify_lock(struct sock *sk, int proto) { BUG_ON(!sk); BUG_ON(!sock_allow_reclassification(sk)); sock_lock_init_class_and_name(sk, bt_slock_key_strings[proto], &bt_slock_key[proto], bt_key_strings[proto], &bt_lock_key[proto]); }

Contributors

PersonTokensPropCommitsCommitProp
marcel holtmannmarcel holtmann4785.45%250.00%
octavian purdilaoctavian purdila610.91%125.00%
hannes frederic sowahannes frederic sowa23.64%125.00%
Total55100.00%4100.00%

EXPORT_SYMBOL(bt_sock_reclassify_lock);
int bt_sock_register(int proto, const struct net_proto_family *ops) { int err = 0; if (proto < 0 || proto >= BT_MAX_PROTO) return -EINVAL; write_lock(&bt_proto_lock); if (bt_proto[proto]) err = -EEXIST; else bt_proto[proto] = ops; write_unlock(&bt_proto_lock); return err; }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds3652.94%116.67%
marcel holtmannmarcel holtmann2232.35%116.67%
maksim krasnyanskiymaksim krasnyanskiy57.35%233.33%
marcus meissnermarcus meissner45.88%116.67%
stephen hemmingerstephen hemminger11.47%116.67%
Total68100.00%6100.00%

EXPORT_SYMBOL(bt_sock_register);
void bt_sock_unregister(int proto) { if (proto < 0 || proto >= BT_MAX_PROTO) return; write_lock(&bt_proto_lock); bt_proto[proto] = NULL; write_unlock(&bt_proto_lock); }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds1642.11%116.67%
marcel holtmannmarcel holtmann1231.58%116.67%
marcus meissnermarcus meissner410.53%116.67%
maksim krasnyanskiymaksim krasnyanskiy410.53%233.33%
david herrmanndavid herrmann25.26%116.67%
Total38100.00%6100.00%

EXPORT_SYMBOL(bt_sock_unregister);
static int bt_sock_create(struct net *net, struct socket *sock, int proto, int kern) { int err; if (net != &init_net) return -EAFNOSUPPORT; if (proto < 0 || proto >= BT_MAX_PROTO) return -EINVAL; if (!bt_proto[proto]) request_module("bt-proto-%d", proto); err = -EPROTONOSUPPORT; read_lock(&bt_proto_lock); if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) { err = bt_proto[proto]->create(net, sock, proto, kern); if (!err) bt_sock_reclassify_lock(sock->sk, proto); module_put(bt_proto[proto]->owner); } read_unlock(&bt_proto_lock); return err; }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds5235.62%216.67%
maksim krasnyanskiymaksim krasnyanskiy4027.40%216.67%
eric w. biedermaneric w. biederman1812.33%18.33%
marcel holtmannmarcel holtmann138.90%216.67%
octavian purdilaoctavian purdila74.79%18.33%
dave youngdave young64.11%18.33%
eric pariseric paris53.42%18.33%
marcus meissnermarcus meissner42.74%18.33%
randy dunlaprandy dunlap10.68%18.33%
Total146100.00%12100.00%


void bt_sock_link(struct bt_sock_list *l, struct sock *sk) { write_lock(&l->lock); sk_add_node(sk, &l->head); write_unlock(&l->lock); }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds3278.05%125.00%
arnaldo carvalho de meloarnaldo carvalho de melo512.20%125.00%
maksim krasnyanskiymaksim krasnyanskiy24.88%125.00%
gustavo f. padovangustavo f. padovan24.88%125.00%
Total41100.00%4100.00%

EXPORT_SYMBOL(bt_sock_link);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk) { write_lock(&l->lock); sk_del_node_init(sk); write_unlock(&l->lock); }

Contributors

PersonTokensPropCommitsCommitProp
linus torvaldslinus torvalds2980.56%125.00%
arnaldo carvalho de meloarnaldo carvalho de melo38.33%125.00%
gustavo f. padovangustavo f. padovan25.56%125.00%
maksim krasnyanskiymaksim krasnyanskiy25.56%125.00%
Total36100.00%4100.00%

EXPORT_SYMBOL(bt_sock_unlink);
void bt_accept_enqueue(struct sock *parent, struct sock *sk) { BT_DBG("parent %p, sk %p", parent, sk); sock_hold(sk); list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q); bt_sk(sk)->parent = parent; parent->sk_ack_backlog++; }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy4267.74%250.00%
linus torvaldslinus torvalds1930.65%125.00%
arnaldo carvalho de meloarnaldo carvalho de melo11.61%125.00%
Total62100.00%4100.00%

EXPORT_SYMBOL(bt_accept_enqueue);
void bt_accept_unlink(struct sock *sk) { BT_DBG("sk %p state %d", sk, sk->sk_state); list_del_init(&bt_sk(sk)->accept_q); bt_sk(sk)->parent->sk_ack_backlog--; bt_sk(sk)->parent = NULL; sock_put(sk); }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy4071.43%250.00%
linus torvaldslinus torvalds1425.00%125.00%
arnaldo carvalho de meloarnaldo carvalho de melo23.57%125.00%
Total56100.00%4100.00%

EXPORT_SYMBOL(bt_accept_unlink);
struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock) { struct bt_sock *s, *n; struct sock *sk; BT_DBG("parent %p", parent); list_for_each_entry_safe(s, n, &bt_sk(parent)->accept_q, accept_q) { sk = (struct sock *)s; lock_sock(sk); /* FIXME: Is this check still needed */ if (sk->sk_state == BT_CLOSED) { bt_accept_unlink(sk); release_sock(sk); continue; } if (sk->sk_state == BT_CONNECTED || !newsock || test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) { bt_accept_unlink(sk); if (newsock) sock_graft(sk, newsock); release_sock(sk); return sk; } release_sock(sk); } return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy11580.42%220.00%
marcel holtmannmarcel holtmann74.90%220.00%
geliang tanggeliang tang74.90%110.00%
gustavo padovangustavo padovan64.20%110.00%
gustavo f. padovangustavo f. padovan32.10%110.00%
arnaldo carvalho de meloarnaldo carvalho de melo21.40%110.00%
yichen zhaoyichen zhao21.40%110.00%
vinicius costa gomesvinicius costa gomes10.70%110.00%
Total143100.00%10100.00%

EXPORT_SYMBOL(bt_accept_dequeue);
int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags) { int noblock = flags & MSG_DONTWAIT; struct sock *sk = sock->sk; struct sk_buff *skb; size_t copied; int err; BT_DBG("sock %p sk %p len %zu", sock, sk, len); if (flags & MSG_OOB) return -EOPNOTSUPP; skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) { if (sk->sk_shutdown & RCV_SHUTDOWN) return 0; return err; } copied = skb->len; if (len < copied) { msg->msg_flags |= MSG_TRUNC; copied = len; } skb_reset_transport_header(skb); err = skb_copy_datagram_msg(skb, 0, msg, copied); if (err == 0) { sock_recv_ts_and_drops(msg, sk, skb); if (bt_sk(sk)->skb_msg_name) bt_sk(sk)->skb_msg_name(skb, msg->msg_name, &msg->msg_namelen); } skb_free_datagram(sk, skb); return err ? : copied; }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy14470.59%218.18%
marcel holtmannmarcel holtmann4522.06%327.27%
andrei emeltchenkoandrei emeltchenko52.45%19.09%
arnaldo carvalho de meloarnaldo carvalho de melo41.96%218.18%
stephen hemmingerstephen hemminger41.96%19.09%
david s. millerdavid s. miller10.49%19.09%
neil hormanneil horman10.49%19.09%
Total204100.00%11100.00%

EXPORT_SYMBOL(bt_sock_recvmsg);
static long bt_sock_data_wait(struct sock *sk, long timeo) { DECLARE_WAITQUEUE(wait, current); add_wait_queue(sk_sleep(sk), &wait); for (;;) { set_current_state(TASK_INTERRUPTIBLE); if (!skb_queue_empty(&sk->sk_receive_queue)) break; if (sk->sk_err || (sk->sk_shutdown & RCV_SHUTDOWN)) break; if (signal_pending(current) || !timeo) break; sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); } __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); return timeo; }

Contributors

PersonTokensPropCommitsCommitProp
mat martineaumat martineau12896.97%150.00%
eric dumazeteric dumazet43.03%150.00%
Total132100.00%2100.00%


int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; int err = 0; size_t target, copied = 0; long timeo; if (flags & MSG_OOB) return -EOPNOTSUPP; BT_DBG("sk %p size %zu", sk, size); lock_sock(sk); target = sock_rcvlowat(sk, flags & MSG_WAITALL, size); timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); do { struct sk_buff *skb; int chunk; skb = skb_dequeue(&sk->sk_receive_queue); if (!skb) { if (copied >= target) break; err = sock_error(sk); if (err) break; if (sk->sk_shutdown & RCV_SHUTDOWN) break; err = -EAGAIN; if (!timeo) break; timeo = bt_sock_data_wait(sk, timeo); if (signal_pending(current)) { err = sock_intr_errno(timeo); goto out; } continue; } chunk = min_t(unsigned int, skb->len, size); if (skb_copy_datagram_msg(skb, 0, msg, chunk)) { skb_queue_head(&sk->sk_receive_queue, skb); if (!copied) copied = -EFAULT; break; } copied += chunk; size -= chunk; sock_recv_ts_and_drops(msg, sk, skb); if (!(flags & MSG_PEEK)) { int skb_len = skb_headlen(skb); if (chunk <= skb_len) { __skb_pull(skb, chunk); } else { struct sk_buff *frag; __skb_pull(skb, skb_len); chunk -= skb_len; skb_walk_frags(skb, frag) { if (chunk <= frag->len) { /* Pulling partial data */ skb->len -= chunk; skb->data_len -= chunk; __skb_pull(frag, chunk); break; } else if (frag->len) { /* Pulling all frag data */ chunk -= frag->len; skb->len -= frag->len; skb->data_len -= frag->len; __skb_pull(frag, frag->len); } } } if (skb->len) { skb_queue_head(&sk->sk_receive_queue, skb); break; } kfree_skb(skb); } else { /* put message back and return */ skb_queue_head(&sk->sk_receive_queue, skb); break; } } while (size); out: release_sock(sk); return copied ? : err; }

Contributors

PersonTokensPropCommitsCommitProp
mat martineaumat martineau43898.87%250.00%
andrei emeltchenkoandrei emeltchenko40.90%125.00%
david s. millerdavid s. miller10.23%125.00%
Total443100.00%4100.00%

EXPORT_SYMBOL(bt_sock_stream_recvmsg);
static inline unsigned int bt_accept_poll(struct sock *parent) { struct bt_sock *s, *n; struct sock *sk; list_for_each_entry_safe(s, n, &bt_sk(parent)->accept_q, accept_q) { sk = (struct sock *)s; if (sk->sk_state == BT_CONNECTED || (test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags) && sk->sk_state == BT_CONNECT2)) return POLLIN | POLLRDNORM; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
marcel holtmannmarcel holtmann7083.33%250.00%
gustavo padovangustavo padovan78.33%125.00%
geliang tanggeliang tang78.33%125.00%
Total84100.00%4100.00%


unsigned int bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; unsigned int mask = 0; BT_DBG("sock %p, sk %p", sock, sk); poll_wait(file, sk_sleep(sk), wait); if (sk->sk_state == BT_LISTEN) return bt_accept_poll(sk); if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; if (sk->sk_shutdown == SHUTDOWN_MASK) mask |= POLLHUP; if (!skb_queue_empty(&sk->sk_receive_queue)) mask |= POLLIN | POLLRDNORM; if (sk->sk_state == BT_CLOSED) mask |= POLLHUP; if (sk->sk_state == BT_CONNECT || sk->sk_state == BT_CONNECT2 || sk->sk_state == BT_CONFIG) return mask; if (!test_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags) && sock_writeable(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); return mask; }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy12958.11%215.38%
marcel holtmannmarcel holtmann229.91%17.69%
maxim krasnyanskymaxim krasnyansky156.76%17.69%
gustavo padovangustavo padovan146.31%215.38%
jacob e kellerjacob e keller135.86%215.38%
davide libenzidavide libenzi125.41%17.69%
eric dumazeteric dumazet94.05%323.08%
arnaldo carvalho de meloarnaldo carvalho de melo83.60%17.69%
Total222100.00%13100.00%

EXPORT_SYMBOL(bt_sock_poll);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; struct sk_buff *skb; long amount; int err; BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg); switch (cmd) { case TIOCOUTQ: if (sk->sk_state == BT_LISTEN) return -EINVAL; amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); if (amount < 0) amount = 0; err = put_user(amount, (int __user *) arg); break; case TIOCINQ: if (sk->sk_state == BT_LISTEN) return -EINVAL; lock_sock(sk); skb = skb_peek(&sk->sk_receive_queue); amount = skb ? skb->len : 0; release_sock(sk); err = put_user(amount, (int __user *) arg); break; case SIOCGSTAMP: err = sock_get_timestamp(sk, (struct timeval __user *) arg); break; case SIOCGSTAMPNS: err = sock_get_timestampns(sk, (struct timespec __user *) arg); break; default: err = -ENOIOCTLCMD; break; } return err; }

Contributors

PersonTokensPropCommitsCommitProp
marcel holtmannmarcel holtmann21399.53%266.67%
eric dumazeteric dumazet10.47%133.33%
Total214100.00%3100.00%

EXPORT_SYMBOL(bt_sock_ioctl); /* This function expects the sk lock to be held when called */
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo) { DECLARE_WAITQUEUE(wait, current); int err = 0; BT_DBG("sk %p", sk); add_wait_queue(sk_sleep(sk), &wait); set_current_state(TASK_INTERRUPTIBLE); while (sk->sk_state != state) { if (!timeo) { err = -EINPROGRESS; break; } if (signal_pending(current)) { err = sock_intr_errno(timeo); break; } release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); set_current_state(TASK_INTERRUPTIBLE); err = sock_error(sk); if (err) break; } __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); return err; }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy12082.76%228.57%
peter hurleypeter hurley117.59%114.29%
eric dumazeteric dumazet64.14%114.29%
benjamin lahaisebenjamin lahaise42.76%114.29%
arnaldo carvalho de meloarnaldo carvalho de melo32.07%114.29%
marcel holtmannmarcel holtmann10.69%114.29%
Total145100.00%7100.00%

EXPORT_SYMBOL(bt_sock_wait_state); /* This function expects the sk lock to be held when called */
int bt_sock_wait_ready(struct sock *sk, unsigned long flags) { DECLARE_WAITQUEUE(wait, current); unsigned long timeo; int err = 0; BT_DBG("sk %p", sk); timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); add_wait_queue(sk_sleep(sk), &wait); set_current_state(TASK_INTERRUPTIBLE); while (test_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags)) { if (!timeo) { err = -EAGAIN; break; } if (signal_pending(current)) { err = sock_intr_errno(timeo); break; } release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); set_current_state(TASK_INTERRUPTIBLE); err = sock_error(sk); if (err) break; } __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); return err; }

Contributors

PersonTokensPropCommitsCommitProp
johan hedbergjohan hedberg164100.00%1100.00%
Total164100.00%1100.00%

EXPORT_SYMBOL(bt_sock_wait_ready); #ifdef CONFIG_PROC_FS struct bt_seq_state { struct bt_sock_list *l; };
static void *bt_seq_start(struct seq_file *seq, loff_t *pos) __acquires(seq->private->l->lock) { struct bt_seq_state *s = seq->private; struct bt_sock_list *l = s->l; read_lock(&l->lock); return seq_hlist_start_head(&l->head, *pos); }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato64100.00%1100.00%
Total64100.00%1100.00%


static void *bt_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct bt_seq_state *s = seq->private; struct bt_sock_list *l = s->l; return seq_hlist_next(v, &l->head, pos); }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato51100.00%1100.00%
Total51100.00%1100.00%


static void bt_seq_stop(struct seq_file *seq, void *v) __releases(seq->private->l->lock) { struct bt_seq_state *s = seq->private; struct bt_sock_list *l = s->l; read_unlock(&l->lock); }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato51100.00%1100.00%
Total51100.00%1100.00%


static int bt_seq_show(struct seq_file *seq, void *v) { struct bt_seq_state *s = seq->private; struct bt_sock_list *l = s->l; if (v == SEQ_START_TOKEN) { seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Parent"); if (l->custom_seq_show) { seq_putc(seq, ' '); l->custom_seq_show(seq, v); } seq_putc(seq, '\n'); } else { struct sock *sk = sk_entry(v); struct bt_sock *bt = bt_sk(sk); seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %-6lu", sk, atomic_read(&sk->sk_refcnt), sk_rmem_alloc_get(sk), sk_wmem_alloc_get(sk), from_kuid(seq_user_ns(seq), sock_i_uid(sk)), sock_i_ino(sk), bt->parent? sock_i_ino(bt->parent): 0LU); if (l->custom_seq_show) { seq_putc(seq, ' '); l->custom_seq_show(seq, v); } seq_putc(seq, '\n'); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato17489.69%120.00%
andrei emeltchenkoandrei emeltchenko105.15%120.00%
eric w. biedermaneric w. biederman84.12%120.00%
marcel holtmannmarcel holtmann21.03%240.00%
Total194100.00%5100.00%

static const struct seq_operations bt_seq_ops = { .start = bt_seq_start, .next = bt_seq_next, .stop = bt_seq_stop, .show = bt_seq_show, };
static int bt_seq_open(struct inode *inode, struct file *file) { struct bt_sock_list *sk_list; struct bt_seq_state *s; sk_list = PDE_DATA(inode); s = __seq_open_private(file, &bt_seq_ops, sizeof(struct bt_seq_state)); if (!s) return -ENOMEM; s->l = sk_list; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato6597.01%133.33%
andrei emeltchenkoandrei emeltchenko11.49%133.33%
al viroal viro11.49%133.33%
Total67100.00%3100.00%

static const struct file_operations bt_fops = { .open = bt_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release_private };
int bt_procfs_init(struct net *net, const char *name, struct bt_sock_list *sk_list, int (* seq_show)(struct seq_file *, void *)) { sk_list->custom_seq_show = seq_show; if (!proc_create_data(name, 0, net->proc_net, &bt_fops, sk_list)) return -ENOMEM; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato5684.85%125.00%
al viroal viro69.09%250.00%
gao fenggao feng46.06%125.00%
Total66100.00%4100.00%


void bt_procfs_cleanup(struct net *net, const char *name) { remove_proc_entry(name, net->proc_net); }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato1979.17%150.00%
gao fenggao feng520.83%150.00%
Total24100.00%2100.00%

#else
int bt_procfs_init(struct net *net, const char *name, struct bt_sock_list *sk_list, int (* seq_show)(struct seq_file *, void *)) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato37100.00%1100.00%
Total37100.00%1100.00%


void bt_procfs_cleanup(struct net *net, const char *name) { }

Contributors

PersonTokensPropCommitsCommitProp
masatake yamatomasatake yamato14100.00%1100.00%
Total14100.00%1100.00%

#endif EXPORT_SYMBOL(bt_procfs_init); EXPORT_SYMBOL(bt_procfs_cleanup); static struct net_proto_family bt_sock_family_ops = { .owner = THIS_MODULE, .family = PF_BLUETOOTH, .create = bt_sock_create, }; struct dentry *bt_debugfs; EXPORT_SYMBOL_GPL(bt_debugfs);
static int __init bt_init(void) { int err; sock_skb_cb_check_size(sizeof(struct bt_skb_cb)); BT_INFO("Core ver %s", BT_SUBSYS_VERSION); err = bt_selftest(); if (err < 0) return err; bt_debugfs = debugfs_create_dir("bluetooth", NULL); err = bt_sysfs_init(); if (err < 0) return err; err = sock_register(&bt_sock_family_ops); if (err < 0) { bt_sysfs_cleanup(); return err; } BT_INFO("HCI device and connection manager initialized"); err = hci_sock_init(); if (err < 0) goto error; err = l2cap_init(); if (err < 0) goto sock_err; err = sco_init(); if (err < 0) { l2cap_exit(); goto sock_err; } err = mgmt_init(); if (err < 0) { sco_exit(); l2cap_exit(); goto sock_err; } return 0; sock_err: hci_sock_cleanup(); error: sock_unregister(PF_BLUETOOTH); bt_sysfs_cleanup(); return err; }

Contributors

PersonTokensPropCommitsCommitProp
marcel holtmannmarcel holtmann6535.71%545.45%
gustavo f. padovangustavo f. padovan6234.07%19.09%
maksim krasnyanskiymaksim krasnyanskiy3217.58%327.27%
johan hedbergjohan hedberg2212.09%19.09%
eyal birgereyal birger10.55%19.09%
Total182100.00%11100.00%


static void __exit bt_exit(void) { mgmt_exit(); sco_exit(); l2cap_exit(); hci_sock_cleanup(); sock_unregister(PF_BLUETOOTH); bt_sysfs_cleanup(); debugfs_remove_recursive(bt_debugfs); }

Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy1647.06%116.67%
marcel holtmannmarcel holtmann926.47%350.00%
gustavo f. padovangustavo f. padovan617.65%116.67%
johan hedbergjohan hedberg38.82%116.67%
Total34100.00%6100.00%

subsys_initcall(bt_init); module_exit(bt_exit); MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_DESCRIPTION("Bluetooth Core ver " BT_SUBSYS_VERSION); MODULE_VERSION(BT_SUBSYS_VERSION); MODULE_LICENSE("GPL"); MODULE_ALIAS_NETPROTO(PF_BLUETOOTH);

Overall Contributors

PersonTokensPropCommitsCommitProp
maksim krasnyanskiymaksim krasnyanskiy71821.29%77.95%
marcel holtmannmarcel holtmann62418.50%2427.27%
masatake yamatomasatake yamato58817.43%11.14%
mat martineaumat martineau57116.93%22.27%
linus torvaldslinus torvalds2296.79%33.41%
johan hedbergjohan hedberg1965.81%33.41%
gustavo f. padovangustavo f. padovan752.22%33.41%
dave youngdave young692.05%11.14%
arnaldo carvalho de meloarnaldo carvalho de melo351.04%44.55%
al viroal viro351.04%33.41%
gustavo padovangustavo padovan270.80%22.27%
eric w. biedermaneric w. biederman260.77%22.27%
eric dumazeteric dumazet200.59%44.55%
andrei emeltchenkoandrei emeltchenko200.59%33.41%
octavian purdilaoctavian purdila180.53%11.14%
maxim krasnyanskymaxim krasnyansky150.44%11.14%
geliang tanggeliang tang140.42%11.14%
jacob e kellerjacob e keller130.39%22.27%
davide libenzidavide libenzi120.36%11.14%
marcus meissnermarcus meissner120.36%11.14%
peter hurleypeter hurley110.33%11.14%
stephen hemmingerstephen hemminger110.33%33.41%
gao fenggao feng90.27%22.27%
eric pariseric paris50.15%11.14%
benjamin lahaisebenjamin lahaise40.12%11.14%
yichen zhaoyichen zhao20.06%11.14%
david s. millerdavid s. miller20.06%11.14%
hannes frederic sowahannes frederic sowa20.06%11.14%
jan engelhardtjan engelhardt20.06%11.14%
david herrmanndavid herrmann20.06%11.14%
eyal birgereyal birger10.03%11.14%
fabian frederickfabian frederick10.03%11.14%
vinicius costa gomesvinicius costa gomes10.03%11.14%
randy dunlaprandy dunlap10.03%11.14%
hideaki yoshifujihideaki yoshifuji10.03%11.14%
neil hormanneil horman10.03%11.14%
Total3373100.00%88100.00%
Directory: net/bluetooth
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}