From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- net/ax25/ax25_timer.c | 243 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 net/ax25/ax25_timer.c (limited to 'net/ax25/ax25_timer.c') diff --git a/net/ax25/ax25_timer.c b/net/ax25/ax25_timer.c new file mode 100644 index 000000000000..7a6b50a14554 --- /dev/null +++ b/net/ax25/ax25_timer.c @@ -0,0 +1,243 @@ +/* + * 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) Alan Cox GW4PTS (alan@lxorguk.ukuu.org.uk) + * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk) + * Copyright (C) Tomi Manninen OH2BNS (oh2bns@sral.fi) + * Copyright (C) Darryl Miles G7LED (dlm@g7led.demon.co.uk) + * Copyright (C) Joerg Reuter DL1BKE (jreuter@yaina.de) + * Copyright (C) Frederic Rible F1OAT (frible@teaser.fr) + * Copyright (C) 2002 Ralf Baechle DO1GRB (ralf@gnu.org) + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void ax25_heartbeat_expiry(unsigned long); +static void ax25_t1timer_expiry(unsigned long); +static void ax25_t2timer_expiry(unsigned long); +static void ax25_t3timer_expiry(unsigned long); +static void ax25_idletimer_expiry(unsigned long); + +void ax25_start_heartbeat(ax25_cb *ax25) +{ + del_timer(&ax25->timer); + + ax25->timer.data = (unsigned long)ax25; + ax25->timer.function = &ax25_heartbeat_expiry; + ax25->timer.expires = jiffies + 5 * HZ; + + add_timer(&ax25->timer); +} + +void ax25_start_t1timer(ax25_cb *ax25) +{ + del_timer(&ax25->t1timer); + + ax25->t1timer.data = (unsigned long)ax25; + ax25->t1timer.function = &ax25_t1timer_expiry; + ax25->t1timer.expires = jiffies + ax25->t1; + + add_timer(&ax25->t1timer); +} + +void ax25_start_t2timer(ax25_cb *ax25) +{ + del_timer(&ax25->t2timer); + + ax25->t2timer.data = (unsigned long)ax25; + ax25->t2timer.function = &ax25_t2timer_expiry; + ax25->t2timer.expires = jiffies + ax25->t2; + + add_timer(&ax25->t2timer); +} + +void ax25_start_t3timer(ax25_cb *ax25) +{ + del_timer(&ax25->t3timer); + + if (ax25->t3 > 0) { + ax25->t3timer.data = (unsigned long)ax25; + ax25->t3timer.function = &ax25_t3timer_expiry; + ax25->t3timer.expires = jiffies + ax25->t3; + + add_timer(&ax25->t3timer); + } +} + +void ax25_start_idletimer(ax25_cb *ax25) +{ + del_timer(&ax25->idletimer); + + if (ax25->idle > 0) { + ax25->idletimer.data = (unsigned long)ax25; + ax25->idletimer.function = &ax25_idletimer_expiry; + ax25->idletimer.expires = jiffies + ax25->idle; + + add_timer(&ax25->idletimer); + } +} + +void ax25_stop_heartbeat(ax25_cb *ax25) +{ + del_timer(&ax25->timer); +} + +void ax25_stop_t1timer(ax25_cb *ax25) +{ + del_timer(&ax25->t1timer); +} + +void ax25_stop_t2timer(ax25_cb *ax25) +{ + del_timer(&ax25->t2timer); +} + +void ax25_stop_t3timer(ax25_cb *ax25) +{ + del_timer(&ax25->t3timer); +} + +void ax25_stop_idletimer(ax25_cb *ax25) +{ + del_timer(&ax25->idletimer); +} + +int ax25_t1timer_running(ax25_cb *ax25) +{ + return timer_pending(&ax25->t1timer); +} + +unsigned long ax25_display_timer(struct timer_list *timer) +{ + if (!timer_pending(timer)) + return 0; + + return timer->expires - jiffies; +} + +static void ax25_heartbeat_expiry(unsigned long param) +{ + int proto = AX25_PROTO_STD_SIMPLEX; + ax25_cb *ax25 = (ax25_cb *)param; + + if (ax25->ax25_dev) + proto = ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]; + + switch (proto) { + case AX25_PROTO_STD_SIMPLEX: + case AX25_PROTO_STD_DUPLEX: + ax25_std_heartbeat_expiry(ax25); + break; + +#ifdef CONFIG_AX25_DAMA_SLAVE + case AX25_PROTO_DAMA_SLAVE: + if (ax25->ax25_dev->dama.slave) + ax25_ds_heartbeat_expiry(ax25); + else + ax25_std_heartbeat_expiry(ax25); + break; +#endif + } +} + +static void ax25_t1timer_expiry(unsigned long param) +{ + ax25_cb *ax25 = (ax25_cb *)param; + + switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) { + case AX25_PROTO_STD_SIMPLEX: + case AX25_PROTO_STD_DUPLEX: + ax25_std_t1timer_expiry(ax25); + break; + +#ifdef CONFIG_AX25_DAMA_SLAVE + case AX25_PROTO_DAMA_SLAVE: + if (!ax25->ax25_dev->dama.slave) + ax25_std_t1timer_expiry(ax25); + break; +#endif + } +} + +static void ax25_t2timer_expiry(unsigned long param) +{ + ax25_cb *ax25 = (ax25_cb *)param; + + switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) { + case AX25_PROTO_STD_SIMPLEX: + case AX25_PROTO_STD_DUPLEX: + ax25_std_t2timer_expiry(ax25); + break; + +#ifdef CONFIG_AX25_DAMA_SLAVE + case AX25_PROTO_DAMA_SLAVE: + if (!ax25->ax25_dev->dama.slave) + ax25_std_t2timer_expiry(ax25); + break; +#endif + } +} + +static void ax25_t3timer_expiry(unsigned long param) +{ + ax25_cb *ax25 = (ax25_cb *)param; + + switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) { + case AX25_PROTO_STD_SIMPLEX: + case AX25_PROTO_STD_DUPLEX: + ax25_std_t3timer_expiry(ax25); + break; + +#ifdef CONFIG_AX25_DAMA_SLAVE + case AX25_PROTO_DAMA_SLAVE: + if (ax25->ax25_dev->dama.slave) + ax25_ds_t3timer_expiry(ax25); + else + ax25_std_t3timer_expiry(ax25); + break; +#endif + } +} + +static void ax25_idletimer_expiry(unsigned long param) +{ + ax25_cb *ax25 = (ax25_cb *)param; + + switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) { + case AX25_PROTO_STD_SIMPLEX: + case AX25_PROTO_STD_DUPLEX: + ax25_std_idletimer_expiry(ax25); + break; + +#ifdef CONFIG_AX25_DAMA_SLAVE + case AX25_PROTO_DAMA_SLAVE: + if (ax25->ax25_dev->dama.slave) + ax25_ds_idletimer_expiry(ax25); + else + ax25_std_idletimer_expiry(ax25); + break; +#endif + } +} -- cgit v1.2.3