11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********************************************************************* 26819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Filename: ircomm_tty_attach.c 46819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * Version: 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Description: Code for attaching the serial driver to IrCOMM 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Status: Experimental. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author: Dag Brattli <dagb@cs.uit.no> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Created at: Sat Jun 5 17:42:00 1999 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Modified at: Tue Jan 4 14:20:49 2000 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Modified by: Dag Brattli <dagb@cs.uit.no> 116819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved. 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com> 146819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 156819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * This program is free software; you can redistribute it and/or 166819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * modify it under the terms of the GNU General Public License as 176819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * published by the Free Software Foundation; either version 2 of 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the License, or (at your option) any later version. 196819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 246819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 256819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * You should have received a copy of the GNU General Public License 26d37705092fb1bad8dade186451f3cca754a5d1d1Jeff Kirsher * along with this program; if not, see <http://www.gnu.org/licenses/>. 276819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ********************************************************************/ 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 31d43c36dc6b357fa1806800f18aa30123c747a6d1Alexey Dobriyan#include <linux/sched.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/irda.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/irlmp.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/iriap.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/irttp.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/irias_object.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/parameters.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/ircomm_core.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/ircomm_param.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/ircomm_event.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/ircomm_tty.h> 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/irda/ircomm_tty_attach.h> 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_ias_register(struct ircomm_tty_cb *self); 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_discovery_indication(discinfo_t *discovery, 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DISCOVERY_MODE mode, 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *priv); 516819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic void ircomm_tty_getvalue_confirm(int result, __u16 obj_id, 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ias_value *value, void *priv); 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_start_watchdog_timer(struct ircomm_tty_cb *self, 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout); 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_watchdog_timer_expired(void *data); 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 576819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_idle(struct ircomm_tty_cb *self, 586819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 596819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 616819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_search(struct ircomm_tty_cb *self, 626819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 636819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 656819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_query_parameters(struct ircomm_tty_cb *self, 666819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 676819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 696819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_query_lsap_sel(struct ircomm_tty_cb *self, 706819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 716819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 736819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_setup(struct ircomm_tty_cb *self, 746819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 756819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 776819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_ready(struct ircomm_tty_cb *self, 786819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 796819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info); 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8236cbd3dcc10384f813ec0814255f576c84f2bcd4Jan Engelhardtconst char *const ircomm_tty_state[] = { 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_IDLE", 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_SEARCH", 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_QUERY_PARAMETERS", 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_QUERY_LSAP_SEL", 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_SETUP", 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_READY", 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "*** ERROR *** ", 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_IRDA_DEBUG 9336cbd3dcc10384f813ec0814255f576c84f2bcd4Jan Engelhardtstatic const char *const ircomm_tty_event[] = { 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_ATTACH_CABLE", 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DETACH_CABLE", 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DATA_REQUEST", 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DATA_INDICATION", 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DISCOVERY_REQUEST", 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DISCOVERY_INDICATION", 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_CONNECT_CONFIRM", 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_CONNECT_INDICATION", 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DISCONNECT_REQUEST", 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_DISCONNECT_INDICATION", 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_WD_TIMER_EXPIRED", 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_GOT_PARAMETERS", 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IRCOMM_TTY_GOT_LSAPSEL", 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "*** ERROR ****", 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* CONFIG_IRDA_DEBUG */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int (*state[])(struct ircomm_tty_cb *self, IRCOMM_TTY_EVENT event, 1126819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, struct ircomm_tty_info *info) = 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_idle, 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_search, 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_query_parameters, 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_query_lsap_sel, 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_setup, 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state_ready, 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_attach_cable (driver) 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Try to attach cable (IrCOMM link). This function will only return 1266819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * when the link has been connected, or if an error condition occurs. 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If success, the return value is the resulting service type. 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ircomm_tty_attach_cable(struct ircomm_tty_cb *self) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13162f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby struct tty_struct *tty; 13262f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby 1330dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s()\n", __func__ ); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return -1;); 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1386819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* Check if somebody has already connected to us */ 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ircomm_is_connected(self->ircomm)) { 1400dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), already connected!\n", __func__ ); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Make sure nobody tries to write before the link is up */ 14562f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty = tty_port_tty_get(&self->port); 14662f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby if (tty) { 14762f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty->hw_stopped = 1; 14862f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty_kref_put(tty); 14962f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby } 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_register(self); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_ATTACH_CABLE, NULL, NULL); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_detach_cable (driver) 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Detach cable, or cable has been detached by peer 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ircomm_tty_detach_cable(struct ircomm_tty_cb *self) 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1660dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s()\n", __func__ ); 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove discovery handler */ 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->ckey) { 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irlmp_unregister_client(self->ckey); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->ckey = NULL; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove IrCOMM hint bits */ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->skey) { 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irlmp_unregister_service(self->skey); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->skey = NULL; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1846819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki if (self->iriap) { 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iriap_close(self->iriap); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->iriap = NULL; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove LM-IAS object */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->obj) { 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irias_delete_object(self->obj); 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->obj = NULL; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_DETACH_CABLE, NULL, NULL); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Reset some values */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->daddr = self->saddr = 0; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->dlsap_sel = self->slsap_sel = 0; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(&self->settings, 0, sizeof(struct ircomm_params)); 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_ias_register (self) 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Register with LM-IAS depending on which service type we are 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_ias_register(struct ircomm_tty_cb *self) 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u8 oct_seq[6]; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u16 hints; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2150dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s()\n", __func__ ); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 2196819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Compute hint bits based on service */ 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hints = irlmp_service_to_hint(S_COMM); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->service_type & IRCOMM_3_WIRE_RAW) 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hints |= irlmp_service_to_hint(S_PRINTER); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Advertise IrCOMM hint bit in discovery */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!self->skey) 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->skey = irlmp_register_service(hints); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set up a discovery handler */ 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!self->ckey) 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->ckey = irlmp_register_client(hints, 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_discovery_indication, 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, (void *) self); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* If already done, no need to do it again */ 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->obj) 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->service_type & IRCOMM_3_WIRE_RAW) { 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register IrLPT with LM-IAS */ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->obj = irias_new_object("IrLPT", IAS_IRLPT_ID); 2416819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki irias_add_integer_attrib(self->obj, "IrDA:IrLMP:LsapSel", 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->slsap_sel, IAS_KERNEL_ATTR); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register IrCOMM with LM-IAS */ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->obj = irias_new_object("IrDA:IrCOMM", IAS_IRCOMM_ID); 2466819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki irias_add_integer_attrib(self->obj, "IrDA:TinyTP:LsapSel", 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->slsap_sel, IAS_KERNEL_ATTR); 2486819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Code the parameters into the buffer */ 2506819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki irda_param_pack(oct_seq, "bbbbbb", 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRCOMM_SERVICE_TYPE, 1, self->service_type, 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRCOMM_PORT_TYPE, 1, IRCOMM_SERIAL); 2536819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register parameters with LM-IAS */ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irias_add_octseq_attrib(self->obj, "Parameters", oct_seq, 6, 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IAS_KERNEL_ATTR); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irias_insert_object(self->obj); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_ias_unregister (self) 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Remove our IAS object and client hook while connected. 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_ias_unregister(struct ircomm_tty_cb *self) 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove LM-IAS object now so it is not reused. 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IrCOMM deals very poorly with multiple incoming connections. 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It should looks a lot more like IrNET, and "dup" a server TSAP 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to the application TSAP (based on various rules). 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is a cheap workaround allowing multiple clients to 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * connect to us. It will not always work. 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Each IrCOMM socket has an IAS entry. Incoming connection will 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * pick the first one found. So, when we are fully connected, 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we remove our IAS entries so that the next IAS entry is used. 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We do that for *both* client and server, because a server 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * can also create client instances. 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Jean II */ 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->obj) { 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irias_delete_object(self->obj); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->obj = NULL; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Remove discovery handler. 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * While we are connected, we no longer need to receive 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * discovery events. This would be the case if there is 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * multiple IrLAP interfaces. Jean II */ 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->ckey) { 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irlmp_unregister_client(self->ckey); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->ckey = NULL; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_send_initial_parameters (self) 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send initial parameters to the remote IrCOMM device. These parameters 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * must be sent before any data. 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ircomm_tty_send_initial_parameters(struct ircomm_tty_cb *self) 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return -1;); 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3096819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki if (self->service_type & IRCOMM_3_WIRE_RAW) 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3126819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* 3136819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * Set default values, but only if the application for some reason 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * haven't set them already 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3160dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), data-rate = %d\n", __func__ , 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.data_rate); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!self->settings.data_rate) 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.data_rate = 9600; 3200dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), data-format = %d\n", __func__ , 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.data_format); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!self->settings.data_format) 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.data_format = IRCOMM_WSIZE_8; /* 8N1 */ 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3250dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), flow-control = %d\n", __func__ , 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.flow_control); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /*self->settings.flow_control = IRCOMM_RTS_CTS_IN|IRCOMM_RTS_CTS_OUT;*/ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Do not set delta values for the initial parameters */ 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.dte = IRCOMM_DTR | IRCOMM_RTS; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Only send service type parameter when we are the client */ 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->client) 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_SERVICE_TYPE, FALSE); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_DATA_RATE, FALSE); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_DATA_FORMAT, FALSE); 3376819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For a 3 wire service, we just flush the last parameter and return */ 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->settings.service_type == IRCOMM_3_WIRE) { 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_FLOW_CONTROL, TRUE); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Only 9-wire service types continue here */ 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_FLOW_CONTROL, FALSE); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_XON_XOFF, FALSE); 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_ENQ_ACK, FALSE); 3496819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki#endif 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Notify peer that we are ready to receive data */ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_param_request(self, IRCOMM_DTE, TRUE); 3526819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_discovery_indication (discovery) 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Remote device is discovered, try query the remote IAS to see which 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * device it is, and which services it has. 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_discovery_indication(discinfo_t *discovery, 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DISCOVERY_MODE mode, 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *priv) 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info info; 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3700dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Important note : 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We need to drop all passive discoveries. 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LSAP management of IrComm is deficient and doesn't deal 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * with the case of two instance connecting to each other 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * simultaneously (it will deadlock in LMP). 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The proper fix would be to use the same technique as in IrNET, 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to have one server socket and separate instances for the 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * connecting/connected socket. 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The workaround is to drop passive discovery, which drastically 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reduce the probability of this happening. 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Jean II */ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(mode == DISCOVERY_PASSIVE) 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info.daddr = discovery->daddr; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info.saddr = discovery->saddr; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 389ea110733874d5176cb56dcf612a629ffac09dbf0Joe Perches self = priv; 390c310f099be953a20b5fabed341ad085f444cf2bdRyan Reading ircomm_tty_do_event(self, IRCOMM_TTY_DISCOVERY_INDICATION, 391c310f099be953a20b5fabed341ad085f444cf2bdRyan Reading NULL, &info); 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_disconnect_indication (instance, sap, reason, skb) 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Link disconnected 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4006819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakivoid ircomm_tty_disconnect_indication(void *instance, void *sap, 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM_REASON reason, 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb) 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; 40562f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby struct tty_struct *tty; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4070dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41262f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty = tty_port_tty_get(&self->port); 41362f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby if (!tty) 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This will stop control data transfers */ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->flow = FLOW_STOP; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Stop data transfers */ 42062f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty->hw_stopped = 1; 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4226819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki ircomm_tty_do_event(self, IRCOMM_TTY_DISCONNECT_INDICATION, NULL, 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL); 42462f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty_kref_put(tty); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_getvalue_confirm (result, obj_id, value, priv) 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Got result from the IAS query we make 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4336819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic void ircomm_tty_getvalue_confirm(int result, __u16 obj_id, 4346819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct ias_value *value, 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *priv) 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) priv; 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4390dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* We probably don't need to make any more queries */ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iriap_close(self->iriap); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->iriap = NULL; 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if request succeeded */ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result != IAS_SUCCESS) { 4500dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(4, "%s(), got NULL value!\n", __func__ ); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (value->type) { 4556819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki case IAS_OCT_SEQ: 4560dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), got octet sequence\n", __func__ ); 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irda_param_extract_all(self, value->t.oct_seq, value->len, 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &ircomm_param_info); 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4616819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki ircomm_tty_do_event(self, IRCOMM_TTY_GOT_PARAMETERS, NULL, 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL); 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IAS_INTEGER: 4656819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* Got LSAP selector */ 4660dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), got lsapsel = %d\n", __func__ , 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds value->t.integer); 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (value->t.integer == -1) { 4700dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), invalid value!\n", __func__ ); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->dlsap_sel = value->t.integer; 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_GOT_LSAPSEL, NULL, NULL); 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IAS_MISSING: 4770dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), got IAS_MISSING\n", __func__ ); 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4800dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), got unknown type!\n", __func__ ); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irias_delete_value(value); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_connect_confirm (instance, sap, qos, max_sdu_size, skb) 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Connection confirmed 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4926819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakivoid ircomm_tty_connect_confirm(void *instance, void *sap, 4936819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct qos_info *qos, 4946819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki __u32 max_data_size, 4956819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki __u8 max_header_size, 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb) 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5000dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->client = TRUE; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->max_data_size = max_data_size; 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->max_header_size = max_header_size; 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->flow = FLOW_START; 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_CONNECT_CONFIRM, NULL, NULL); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* No need to kfree_skb - see ircomm_ttp_connect_confirm() */ 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5166819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * Function ircomm_tty_connect_indication (instance, sap, qos, max_sdu_size, 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * skb) 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we are discovered and being requested to connect by remote device ! 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5226819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakivoid ircomm_tty_connect_indication(void *instance, void *sap, 5236819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct qos_info *qos, 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds __u32 max_data_size, 5256819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki __u8 max_header_size, 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb) 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int clen; 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5310dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->client = FALSE; 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->max_data_size = max_data_size; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->max_header_size = max_header_size; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->flow = FLOW_START; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clen = skb->data[0]; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clen) 5436819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki irda_param_extract_all(self, skb->data+1, 5446819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRDA_MIN(skb->len, clen), 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds &ircomm_param_info); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_CONNECT_INDICATION, NULL, NULL); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* No need to kfree_skb - see ircomm_ttp_connect_indication() */ 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_link_established (self) 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Called when the IrCOMM link is established 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ircomm_tty_link_established(struct ircomm_tty_cb *self) 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 56062f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby struct tty_struct *tty; 56162f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby 5620dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 56762f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty = tty_port_tty_get(&self->port); 56862f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby if (!tty) 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5706819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5736819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IrCOMM link is now up, and if we are not using hardware 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * flow-control, then declare the hardware as running. Otherwise we 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * will have to wait for the peer device (DCE) to raise the CTS 5776819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * line. 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 579f21ec3d2d46e5f2ffc06f31fe2704fdcea7a58f3Huang Shijie if (tty_port_cts_enabled(&self->port) && 580849d5a997fe6a9e44401daed62a98121390ec0d3Jiri Slaby ((self->settings.dce & IRCOMM_CTS) == 0)) { 5810dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), waiting for CTS ...\n", __func__ ); 58262f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby goto put; 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 5840dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(1, "%s(), starting hardware!\n", __func__ ); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 58662f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty->hw_stopped = 0; 5876819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Wake up processes blocked on open */ 589a3cc9fcff84c4c8aaecda2420acd89a1418d57e9Jiri Slaby wake_up_interruptible(&self->port.open_wait); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule_work(&self->tqueue); 59362f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slabyput: 59462f228acb807c370c3b1583bf0f1aa4ab8e19acaJiri Slaby tty_kref_put(tty); 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_start_watchdog_timer (self, timeout) 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6006819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * Start the watchdog timer. This timer is used to make sure that any 6016819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * connection attempt is successful, and if not, we will retry after 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the timeout 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_start_watchdog_timer(struct ircomm_tty_cb *self, 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout) 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irda_start_timer(&self->watchdog_timer, timeout, (void *) self, 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_watchdog_timer_expired); 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_watchdog_timer_expired (data) 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Called when the connect procedure have taken to much time. 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ircomm_tty_watchdog_timer_expired(void *data) 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) data; 6236819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 6240dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s()\n", __func__ ); 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_do_event(self, IRCOMM_TTY_WD_TIMER_EXPIRED, NULL, NULL); 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_do_event (self, event, skb) 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Process event 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ircomm_tty_do_event(struct ircomm_tty_cb *self, IRCOMM_TTY_EVENT event, 6406819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, struct ircomm_tty_info *info) 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return -1;); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6450dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 6476819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (*state[self->state])(self, event, skb, info); 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_next_state (self, state) 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Switch state 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void ircomm_tty_next_state(struct ircomm_tty_cb *self, IRCOMM_TTY_STATE state) 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self != NULL, return;); 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6630dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: next state=%s, service type=%d\n", __func__ , 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], self->service_type); 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->state = state; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_idle (self, event, skb, info) 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Just hanging around 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6756819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_idle(struct ircomm_tty_cb *self, 6766819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 6776819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6820dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_ATTACH_CABLE: 6866819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* Try to discover any remote devices */ 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); 6896819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irlmp_discovery_request(DISCOVERY_DEFAULT_SLOTS); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DISCOVERY_INDICATION: 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->daddr = info->daddr; 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->saddr = info->saddr; 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->iriap) { 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_WARNING("%s(), busy with a previous query\n", 6980dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison __func__); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self, 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_getvalue_confirm); 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iriap_getvaluebyclass_request(self->iriap, 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->saddr, self->daddr, 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IrDA:IrCOMM", "Parameters"); 7086819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_QUERY_PARAMETERS); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_INDICATION: 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept connection */ 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_connect_response(self->ircomm, NULL); 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_WD_TIMER_EXPIRED: 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Just stay idle */ 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 7260dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_search (self, event, skb, info) 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Trying to discover an IrCOMM device 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7396819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_search(struct ircomm_tty_cb *self, 7406819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 7416819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7460dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DISCOVERY_INDICATION: 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->daddr = info->daddr; 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->saddr = info->saddr; 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->iriap) { 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_WARNING("%s(), busy with a previous query\n", 7560dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison __func__); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7596819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self, 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_getvalue_confirm); 7626819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->service_type == IRCOMM_3_WIRE_RAW) { 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iriap_getvaluebyclass_request(self->iriap, self->saddr, 7656819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki self->daddr, "IrLPT", 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IrDA:IrLMP:LsapSel"); 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_QUERY_LSAP_SEL); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iriap_getvaluebyclass_request(self->iriap, self->saddr, 7706819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki self->daddr, 7716819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki "IrDA:IrCOMM", 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Parameters"); 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_QUERY_PARAMETERS); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_INDICATION: 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_unregister(self); 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept connection */ 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_connect_response(self->ircomm, NULL); 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_WD_TIMER_EXPIRED: 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 1 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Give up */ 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 7906819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* Try to discover any remote devices */ 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irlmp_discovery_request(DISCOVERY_DEFAULT_SLOTS); 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 7990dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_query (self, event, skb, info) 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Querying the remote LM-IAS for IrCOMM parameters 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8126819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_query_parameters(struct ircomm_tty_cb *self, 8136819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 8146819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8190dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_GOT_PARAMETERS: 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (self->iriap) { 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds IRDA_WARNING("%s(), busy with a previous query\n", 8260dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison __func__); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8296819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self, 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_getvalue_confirm); 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8336819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki iriap_getvaluebyclass_request(self->iriap, self->saddr, 8346819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki self->daddr, "IrDA:IrCOMM", 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "IrDA:TinyTP:LsapSel"); 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_QUERY_LSAP_SEL); 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_WD_TIMER_EXPIRED: 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Go back to search mode */ 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); 8436819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki ircomm_tty_start_watchdog_timer(self, 3*HZ); 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_INDICATION: 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_unregister(self); 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept connection */ 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_connect_response(self->ircomm, NULL); 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 8570dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_query_lsap_sel (self, event, skb, info) 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Query remote LM-IAS for the LSAP selector which we can connect to 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8706819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_query_lsap_sel(struct ircomm_tty_cb *self, 8716819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 8726819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8770dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_GOT_LSAPSEL: 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Connect to remote device */ 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = ircomm_connect_request(self->ircomm, self->dlsap_sel, 8846819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki self->saddr, self->daddr, 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NULL, self->service_type); 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SETUP); 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_WD_TIMER_EXPIRED: 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Go back to search mode */ 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_INDICATION: 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_unregister(self); 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept connection */ 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_connect_response(self->ircomm, NULL); 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 9060dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_setup (self, event, skb, info) 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Trying to connect 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9196819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_setup(struct ircomm_tty_cb *self, 9206819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 9216819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9260dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s: state=%s, event=%s\n", __func__ , 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_state[self->state], ircomm_tty_event[event]); 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_CONFIRM: 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_unregister(self); 9336819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 9346819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki /* 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send initial parameters. This will also send out queued 9366819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki * parameters waiting for the connection to come up 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_send_initial_parameters(self); 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_link_established(self); 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_CONNECT_INDICATION: 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds del_timer(&self->watchdog_timer); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_unregister(self); 9456819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept connection */ 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_connect_response(self->ircomm, NULL); 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_READY); 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_WD_TIMER_EXPIRED: 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Go back to search mode */ 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* ircomm_disconnect_request(self->ircomm, NULL); */ 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 9600dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Function ircomm_tty_state_ready (self, event, skb, info) 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IrCOMM is now connected 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9736819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideakistatic int ircomm_tty_state_ready(struct ircomm_tty_cb *self, 9746819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki IRCOMM_TTY_EVENT event, 9756819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki struct sk_buff *skb, 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ircomm_tty_info *info) 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (event) { 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DATA_REQUEST: 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = ircomm_data_request(self->ircomm, skb); 9836819bc2e1e46c71711a8dddf4040e706b02973c0YOSHIFUJI Hideaki break; 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DETACH_CABLE: 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_disconnect_request(self->ircomm, NULL); 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_IDLE); 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IRCOMM_TTY_DISCONNECT_INDICATION: 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_ias_register(self); 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_next_state(self, IRCOMM_TTY_SEARCH); 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_start_watchdog_timer(self, 3*HZ); 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 993849d5a997fe6a9e44401daed62a98121390ec0d3Jiri Slaby if (self->port.flags & ASYNC_CHECK_CD) { 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Drop carrier */ 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds self->settings.dce = IRCOMM_DELTA_CD; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_check_modem_status(self); 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 9980dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(0, "%s(), hanging up!\n", __func__ ); 999aa27a094e2c2e0cc59914e56113b860f524f4479Jiri Slaby tty_port_tty_hangup(&self->port, false); 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 10030dc47877a3de00ceadea0005189656ae8dc52669Harvey Harrison IRDA_DEBUG(2, "%s(), unknown event: %s\n", __func__ , 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ircomm_tty_event[event]); 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -EINVAL; 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1010