Release 4.14 net/rose/rose_timer.c

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
 * Copyright (C) 2002 Ralf Baechle DO1GRB (ralf@gnu.org)
 */
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <net/tcp_states.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <net/rose.h>

static void rose_heartbeat_expiry(unsigned long);
static void rose_timer_expiry(unsigned long);
static void rose_idletimer_expiry(unsigned long);



void rose_start_heartbeat(struct sock *sk)
{
	del_timer(&sk->sk_timer);

	sk->sk_timer.data     = (unsigned long)sk;
	sk->sk_timer.function = &rose_heartbeat_expiry;
	sk->sk_timer.expires  = jiffies + 5 * HZ;

	add_timer(&sk->sk_timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
54
91.53%
1
50.00%
Arnaldo Carvalho de Melo
5
8.47%
1
50.00%
Total
59
100.00%
2
100.00%



void rose_start_t1timer(struct sock *sk)
{
	struct rose_sock *rose = rose_sk(sk);

	del_timer(&rose->timer);

	rose->timer.data     = (unsigned long)sk;
	rose->timer.function = &rose_timer_expiry;
	rose->timer.expires  = jiffies + rose->t1;

	add_timer(&rose->timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
59
85.51%
1
33.33%
David S. Miller
8
11.59%
1
33.33%
Ralf Bächle
2
2.90%
1
33.33%
Total
69
100.00%
3
100.00%



void rose_start_t2timer(struct sock *sk)
{
	struct rose_sock *rose = rose_sk(sk);

	del_timer(&rose->timer);

	rose->timer.data     = (unsigned long)sk;
	rose->timer.function = &rose_timer_expiry;
	rose->timer.expires  = jiffies + rose->t2;

	add_timer(&rose->timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
59
85.51%
1
33.33%
David S. Miller
8
11.59%
1
33.33%
Ralf Bächle
2
2.90%
1
33.33%
Total
69
100.00%
3
100.00%



void rose_start_t3timer(struct sock *sk)
{
	struct rose_sock *rose = rose_sk(sk);

	del_timer(&rose->timer);

	rose->timer.data     = (unsigned long)sk;
	rose->timer.function = &rose_timer_expiry;
	rose->timer.expires  = jiffies + rose->t3;

	add_timer(&rose->timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
59
85.51%
1
33.33%
David S. Miller
8
11.59%
1
33.33%
Ralf Bächle
2
2.90%
1
33.33%
Total
69
100.00%
3
100.00%



void rose_start_hbtimer(struct sock *sk)
{
	struct rose_sock *rose = rose_sk(sk);

	del_timer(&rose->timer);

	rose->timer.data     = (unsigned long)sk;
	rose->timer.function = &rose_timer_expiry;
	rose->timer.expires  = jiffies + rose->hb;

	add_timer(&rose->timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
59
85.51%
1
33.33%
David S. Miller
8
11.59%
1
33.33%
Ralf Bächle
2
2.90%
1
33.33%
Total
69
100.00%
3
100.00%



void rose_start_idletimer(struct sock *sk)
{
	struct rose_sock *rose = rose_sk(sk);

	del_timer(&rose->idletimer);

	if (rose->idle > 0) {
		rose->idletimer.data     = (unsigned long)sk;
		rose->idletimer.function = &rose_idletimer_expiry;
		rose->idletimer.expires  = jiffies + rose->idle;

		add_timer(&rose->idletimer);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
69
87.34%
1
33.33%
David S. Miller
8
10.13%
1
33.33%
Ralf Bächle
2
2.53%
1
33.33%
Total
79
100.00%
3
100.00%



void rose_stop_heartbeat(struct sock *sk)
{
	del_timer(&sk->sk_timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
17
94.44%
1
50.00%
Arnaldo Carvalho de Melo
1
5.56%
1
50.00%
Total
18
100.00%
2
100.00%



void rose_stop_timer(struct sock *sk)
{
	del_timer(&rose_sk(sk)->timer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
18
85.71%
2
66.67%
David S. Miller
3
14.29%
1
33.33%
Total
21
100.00%
3
100.00%



void rose_stop_idletimer(struct sock *sk)
{
	del_timer(&rose_sk(sk)->idletimer);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
18
85.71%
2
66.67%
David S. Miller
3
14.29%
1
33.33%
Total
21
100.00%
3
100.00%



static void rose_heartbeat_expiry(unsigned long param)
{
	struct sock *sk = (struct sock *)param;
	struct rose_sock *rose = rose_sk(sk);

	bh_lock_sock(sk);
	switch (rose->state) {
	case ROSE_STATE_0:
		/* Magic here: If we listen() and a new link dies before it
                   is accepted() it isn't 'dead' so doesn't get removed. */
		if (sock_flag(sk, SOCK_DESTROY) ||
		    (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) {
			bh_unlock_sock(sk);
			rose_destroy_socket(sk);
			return;
		}
		break;

	case ROSE_STATE_3:
		/*
                 * Check for the state of the receive buffer.
                 */
		if (atomic_read(&sk->sk_rmem_alloc) < (sk->sk_rcvbuf / 2) &&
		    (rose->condition & ROSE_COND_OWN_RX_BUSY)) {
			rose->condition &= ~ROSE_COND_OWN_RX_BUSY;
			rose->condition &= ~ROSE_COND_ACK_PENDING;
			rose->vl         = rose->vr;
			rose_write_internal(sk, ROSE_RR);
			rose_stop_timer(sk);	/* HB */
			break;
		}
		break;
	}

	rose_start_heartbeat(sk);
	bh_unlock_sock(sk);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
126
75.90%
5
38.46%
Ralf Bächle
14
8.43%
3
23.08%
Arnaldo Carvalho de Melo
9
5.42%
2
15.38%
David S. Miller
8
4.82%
1
7.69%
Andrew Morton
5
3.01%
1
7.69%
James Morris
4
2.41%
1
7.69%
Total
166
100.00%
13
100.00%



static void rose_timer_expiry(unsigned long param)
{
	struct sock *sk = (struct sock *)param;
	struct rose_sock *rose = rose_sk(sk);

	bh_lock_sock(sk);
	switch (rose->state) {
	case ROSE_STATE_1:	/* T1 */
	case ROSE_STATE_4:	/* T2 */
		rose_write_internal(sk, ROSE_CLEAR_REQUEST);
		rose->state = ROSE_STATE_2;
		rose_start_t3timer(sk);
		break;

	case ROSE_STATE_2:	/* T3 */
		rose->neighbour->use--;
		rose_disconnect(sk, ETIMEDOUT, -1, -1);
		break;

	case ROSE_STATE_3:	/* HB */
		if (rose->condition & ROSE_COND_ACK_PENDING) {
			rose->condition &= ~ROSE_COND_ACK_PENDING;
			rose_enquiry_response(sk);
		}
		break;
	}
	bh_unlock_sock(sk);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
109
84.50%
4
57.14%
Ralf Bächle
12
9.30%
2
28.57%
David S. Miller
8
6.20%
1
14.29%
Total
129
100.00%
7
100.00%



static void rose_idletimer_expiry(unsigned long param)
{
	struct sock *sk = (struct sock *)param;

	bh_lock_sock(sk);
	rose_clear_queues(sk);

	rose_write_internal(sk, ROSE_CLEAR_REQUEST);
	rose_sk(sk)->state = ROSE_STATE_2;

	rose_start_t3timer(sk);

	sk->sk_state     = TCP_CLOSE;
	sk->sk_err       = 0;
	sk->sk_shutdown |= SEND_SHUTDOWN;

	if (!sock_flag(sk, SOCK_DEAD)) {
		sk->sk_state_change(sk);
		sock_set_flag(sk, SOCK_DEAD);
	}
	bh_unlock_sock(sk);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
73
71.57%
3
37.50%
Arnaldo Carvalho de Melo
12
11.76%
2
25.00%
Ralf Bächle
10
9.80%
1
12.50%
James Morris
4
3.92%
1
12.50%
David S. Miller
3
2.94%
1
12.50%
Total
102
100.00%
8
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
800
83.68%
6
37.50%
David S. Miller
67
7.01%
1
6.25%
Ralf Bächle
47
4.92%
3
18.75%
Arnaldo Carvalho de Melo
28
2.93%
3
18.75%
James Morris
8
0.84%
1
6.25%
Andrew Morton
5
0.52%
1
6.25%
Rusty Russell
1
0.10%
1
6.25%
Total
956
100.00%
16
100.00%
Directory: net/rose

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