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net/irda/iriap.c
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/********************************************************************* * * Filename: iriap.c * Version: 0.8 * Description: Information Access Protocol (IAP) * Status: Experimental. * Author: Dag Brattli <dagb@cs.uit.no> * Created at: Thu Aug 21 00:02:07 1997 * Modified at: Sat Dec 25 16:42:42 1999 * Modified by: Dag Brattli <dagb@cs.uit.no> * * Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>, * All Rights Reserved. * Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com> * * 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. * |
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* Neither Dag Brattli nor University of Tromsø admit liability nor |
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* provide warranty for any of this software. This material is * provided "AS-IS" and at no charge. * ********************************************************************/ |
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#include <linux/module.h> #include <linux/types.h> #include <linux/skbuff.h> |
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#include <linux/fs.h> |
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#include <linux/string.h> #include <linux/init.h> #include <linux/seq_file.h> |
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#include <linux/slab.h> |
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#include <asm/byteorder.h> #include <asm/unaligned.h> #include <net/irda/irda.h> #include <net/irda/irttp.h> #include <net/irda/irlmp.h> #include <net/irda/irias_object.h> #include <net/irda/iriap_event.h> #include <net/irda/iriap.h> #ifdef CONFIG_IRDA_DEBUG /* FIXME: This one should go in irlmp.c */ |
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static const char *const ias_charset_types[] = { |
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"CS_ASCII", "CS_ISO_8859_1", "CS_ISO_8859_2", "CS_ISO_8859_3", "CS_ISO_8859_4", "CS_ISO_8859_5", "CS_ISO_8859_6", "CS_ISO_8859_7", "CS_ISO_8859_8", "CS_ISO_8859_9", "CS_UNICODE" }; #endif /* CONFIG_IRDA_DEBUG */ static hashbin_t *iriap = NULL; static void *service_handle; static void __iriap_close(struct iriap_cb *self); static int iriap_register_lsap(struct iriap_cb *self, __u8 slsap_sel, int mode); static void iriap_disconnect_indication(void *instance, void *sap, LM_REASON reason, struct sk_buff *skb); static void iriap_connect_indication(void *instance, void *sap, struct qos_info *qos, __u32 max_sdu_size, __u8 max_header_size, struct sk_buff *skb); static void iriap_connect_confirm(void *instance, void *sap, struct qos_info *qos, __u32 max_sdu_size, __u8 max_header_size, struct sk_buff *skb); static int iriap_data_indication(void *instance, void *sap, struct sk_buff *skb); static void iriap_watchdog_timer_expired(void *data); |
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static inline void iriap_start_watchdog_timer(struct iriap_cb *self, int timeout) |
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{ |
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irda_start_timer(&self->watchdog_timer, timeout, self, |
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iriap_watchdog_timer_expired); } |
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static struct lock_class_key irias_objects_key; |
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/* * Function iriap_init (void) * * Initializes the IrIAP layer, called by the module initialization code * in irmod.c */ int __init iriap_init(void) { struct ias_object *obj; struct iriap_cb *server; __u8 oct_seq[6]; __u16 hints; /* Allocate master array */ iriap = hashbin_new(HB_LOCK); if (!iriap) return -ENOMEM; /* Object repository - defined in irias_object.c */ irias_objects = hashbin_new(HB_LOCK); if (!irias_objects) { IRDA_WARNING("%s: Can't allocate irias_objects hashbin! ", |
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__func__); |
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hashbin_delete(iriap, NULL); return -ENOMEM; } |
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lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key, "irias_objects"); |
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/* * Register some default services for IrLMP */ hints = irlmp_service_to_hint(S_COMPUTER); service_handle = irlmp_register_service(hints); /* Register the Device object with LM-IAS */ obj = irias_new_object("Device", IAS_DEVICE_ID); irias_add_string_attrib(obj, "DeviceName", "Linux", IAS_KERNEL_ATTR); oct_seq[0] = 0x01; /* Version 1 */ oct_seq[1] = 0x00; /* IAS support bits */ oct_seq[2] = 0x00; /* LM-MUX support bits */ #ifdef CONFIG_IRDA_ULTRA oct_seq[2] |= 0x04; /* Connectionless Data support */ #endif irias_add_octseq_attrib(obj, "IrLMPSupport", oct_seq, 3, IAS_KERNEL_ATTR); irias_insert_object(obj); /* * Register server support with IrLMP so we can accept incoming * connections */ server = iriap_open(LSAP_IAS, IAS_SERVER, NULL, NULL); if (!server) { |
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IRDA_DEBUG(0, "%s(), unable to open server ", __func__); |
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return -1; } iriap_register_lsap(server, LSAP_IAS, IAS_SERVER); return 0; } /* * Function iriap_cleanup (void) * * Initializes the IrIAP layer, called by the module cleanup code in * irmod.c */ |
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void iriap_cleanup(void) |
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{ irlmp_unregister_service(service_handle); hashbin_delete(iriap, (FREE_FUNC) __iriap_close); hashbin_delete(irias_objects, (FREE_FUNC) __irias_delete_object); } /* * Function iriap_open (void) * * Opens an instance of the IrIAP layer, and registers with IrLMP */ struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv, CONFIRM_CALLBACK callback) { struct iriap_cb *self; |
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IRDA_DEBUG(2, "%s() ", __func__); |
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self = kzalloc(sizeof(*self), GFP_ATOMIC); |
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if (!self) { |
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IRDA_WARNING("%s: Unable to kmalloc! ", __func__); |
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return NULL; } /* * Initialize instance */ |
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self->magic = IAS_MAGIC; self->mode = mode; if (mode == IAS_CLIENT) iriap_register_lsap(self, slsap_sel, mode); self->confirm = callback; self->priv = priv; /* iriap_getvaluebyclass_request() will construct packets before * we connect, so this must have a sane value... Jean II */ self->max_header_size = LMP_MAX_HEADER; init_timer(&self->watchdog_timer); hashbin_insert(iriap, (irda_queue_t *) self, (long) self, NULL); /* Initialize state machines */ iriap_next_client_state(self, S_DISCONNECT); iriap_next_call_state(self, S_MAKE_CALL); iriap_next_server_state(self, R_DISCONNECT); iriap_next_r_connect_state(self, R_WAITING); return self; } EXPORT_SYMBOL(iriap_open); /* * Function __iriap_close (self) * * Removes (deallocates) the IrIAP instance * */ static void __iriap_close(struct iriap_cb *self) { |
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IRDA_DEBUG(4, "%s() ", __func__); |
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IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); del_timer(&self->watchdog_timer); if (self->request_skb) dev_kfree_skb(self->request_skb); self->magic = 0; kfree(self); } /* * Function iriap_close (void) * * Closes IrIAP and deregisters with IrLMP */ void iriap_close(struct iriap_cb *self) { struct iriap_cb *entry; |
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IRDA_DEBUG(2, "%s() ", __func__); |
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IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); if (self->lsap) { irlmp_close_lsap(self->lsap); self->lsap = NULL; } entry = (struct iriap_cb *) hashbin_remove(iriap, (long) self, NULL); IRDA_ASSERT(entry == self, return;); __iriap_close(self); } EXPORT_SYMBOL(iriap_close); static int iriap_register_lsap(struct iriap_cb *self, __u8 slsap_sel, int mode) { notify_t notify; |
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IRDA_DEBUG(2, "%s() ", __func__); |
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irda_notify_init(¬ify); notify.connect_confirm = iriap_connect_confirm; notify.connect_indication = iriap_connect_indication; notify.disconnect_indication = iriap_disconnect_indication; notify.data_indication = iriap_data_indication; notify.instance = self; if (mode == IAS_CLIENT) strcpy(notify.name, "IrIAS cli"); else strcpy(notify.name, "IrIAS srv"); self->lsap = irlmp_open_lsap(slsap_sel, ¬ify, 0); if (self->lsap == NULL) { |
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IRDA_ERROR("%s: Unable to allocated LSAP! ", __func__); |
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return -1; } self->slsap_sel = self->lsap->slsap_sel; return 0; } /* * Function iriap_disconnect_indication (handle, reason) * * Got disconnect, so clean up everything associated with this connection * */ static void iriap_disconnect_indication(void *instance, void *sap, LM_REASON reason, struct sk_buff *skb) { struct iriap_cb *self; |
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IRDA_DEBUG(4, "%s(), reason=%s ", __func__, irlmp_reasons[reason]); |
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self = instance; |
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IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(iriap != NULL, return;); del_timer(&self->watchdog_timer); /* Not needed */ if (skb) dev_kfree_skb(skb); if (self->mode == IAS_CLIENT) { |
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IRDA_DEBUG(4, "%s(), disconnect as client ", __func__); |
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iriap_do_client_event(self, IAP_LM_DISCONNECT_INDICATION, NULL); /* * Inform service user that the request failed by sending * it a NULL value. Warning, the client might close us, so * remember no to use self anymore after calling confirm */ if (self->confirm) self->confirm(IAS_DISCONNECT, 0, NULL, self->priv); } else { |
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IRDA_DEBUG(4, "%s(), disconnect as server ", __func__); |
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iriap_do_server_event(self, IAP_LM_DISCONNECT_INDICATION, NULL); iriap_close(self); } } /* * Function iriap_disconnect_request (handle) */ static void iriap_disconnect_request(struct iriap_cb *self) { struct sk_buff *tx_skb; |
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IRDA_DEBUG(4, "%s() ", __func__); |
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IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); |
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tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC); |
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if (tx_skb == NULL) { |
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IRDA_DEBUG(0, "%s(), Could not allocate an sk_buff of length %d ", |
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__func__, LMP_MAX_HEADER); |
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return; } /* * Reserve space for MUX control and LAP header */ skb_reserve(tx_skb, LMP_MAX_HEADER); irlmp_disconnect_request(self->lsap, tx_skb); } /* * Function iriap_getvaluebyclass (addr, name, attr) * |
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* Retrieve all values from attribute in all objects with given class |
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* name */ int iriap_getvaluebyclass_request(struct iriap_cb *self, __u32 saddr, __u32 daddr, char *name, char *attr) { struct sk_buff *tx_skb; int name_len, attr_len, skb_len; __u8 *frame; IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == IAS_MAGIC, return -1;); /* Client must supply the destination device address */ if (!daddr) return -1; self->daddr = daddr; self->saddr = saddr; /* * Save operation, so we know what the later indication is about */ self->operation = GET_VALUE_BY_CLASS; /* Give ourselves 10 secs to finish this operation */ iriap_start_watchdog_timer(self, 10*HZ); name_len = strlen(name); /* Up to IAS_MAX_CLASSNAME = 60 */ attr_len = strlen(attr); /* Up to IAS_MAX_ATTRIBNAME = 60 */ skb_len = self->max_header_size+2+name_len+1+attr_len+4; |
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tx_skb = alloc_skb(skb_len, GFP_ATOMIC); |
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if (!tx_skb) return -ENOMEM; /* Reserve space for MUX and LAP header */ skb_reserve(tx_skb, self->max_header_size); skb_put(tx_skb, 3+name_len+attr_len); frame = tx_skb->data; /* Build frame */ frame[0] = IAP_LST | GET_VALUE_BY_CLASS; frame[1] = name_len; /* Insert length of name */ memcpy(frame+2, name, name_len); /* Insert name */ frame[2+name_len] = attr_len; /* Insert length of attr */ memcpy(frame+3+name_len, attr, attr_len); /* Insert attr */ iriap_do_client_event(self, IAP_CALL_REQUEST_GVBC, tx_skb); /* Drop reference count - see state_s_disconnect(). */ dev_kfree_skb(tx_skb); return 0; } EXPORT_SYMBOL(iriap_getvaluebyclass_request); /* * Function iriap_getvaluebyclass_confirm (self, skb) * * Got result from GetValueByClass command. Parse it and return result * to service user. * */ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self, struct sk_buff *skb) { struct ias_value *value; int charset; __u32 value_len; __u32 tmp_cpu32; __u16 obj_id; __u16 len; __u8 type; __u8 *fp; int n; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(skb != NULL, return;); /* Initialize variables */ fp = skb->data; n = 2; /* Get length, MSB first */ |
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len = get_unaligned_be16(fp + n); n += 2; |
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IRDA_DEBUG(4, "%s(), len=%d ", __func__, len); |
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/* Get object ID, MSB first */ |
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obj_id = get_unaligned_be16(fp + n); n += 2; |
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type = fp[n++]; |
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IRDA_DEBUG(4, "%s(), Value type = %d ", __func__, type); |
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switch (type) { case IAS_INTEGER: memcpy(&tmp_cpu32, fp+n, 4); n += 4; be32_to_cpus(&tmp_cpu32); value = irias_new_integer_value(tmp_cpu32); /* Legal values restricted to 0x01-0x6f, page 15 irttp */ |
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IRDA_DEBUG(4, "%s(), lsap=%d ", __func__, value->t.integer); |
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break; case IAS_STRING: charset = fp[n++]; switch (charset) { case CS_ASCII: break; /* case CS_ISO_8859_1: */ /* case CS_ISO_8859_2: */ /* case CS_ISO_8859_3: */ /* case CS_ISO_8859_4: */ /* case CS_ISO_8859_5: */ /* case CS_ISO_8859_6: */ /* case CS_ISO_8859_7: */ /* case CS_ISO_8859_8: */ /* case CS_ISO_8859_9: */ /* case CS_UNICODE: */ default: IRDA_DEBUG(0, "%s(), charset %s, not supported ", |
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__func__, ias_charset_types[charset]); |
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/* Aborting, close connection! */ iriap_disconnect_request(self); return; /* break; */ } value_len = fp[n++]; |
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IRDA_DEBUG(4, "%s(), strlen=%d ", __func__, value_len); |
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/* Make sure the string is null-terminated */ |
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if (n + value_len < skb->len) fp[n + value_len] = 0x00; |
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IRDA_DEBUG(4, "Got string %s ", fp+n); /* Will truncate to IAS_MAX_STRING bytes */ value = irias_new_string_value(fp+n); break; case IAS_OCT_SEQ: |
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value_len = get_unaligned_be16(fp + n); |
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n += 2; /* Will truncate to IAS_MAX_OCTET_STRING bytes */ value = irias_new_octseq_value(fp+n, value_len); break; default: value = irias_new_missing_value(); break; } /* Finished, close connection! */ iriap_disconnect_request(self); /* Warning, the client might close us, so remember no to use self * anymore after calling confirm */ if (self->confirm) self->confirm(IAS_SUCCESS, obj_id, value, self->priv); else { |
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IRDA_DEBUG(0, "%s(), missing handler! ", __func__); |
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irias_delete_value(value); } } /* * Function iriap_getvaluebyclass_response () * * Send answer back to remote LM-IAS * */ static void iriap_getvaluebyclass_response(struct iriap_cb *self, __u16 obj_id, __u8 ret_code, struct ias_value *value) { struct sk_buff *tx_skb; int n; |
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__be32 tmp_be32; |
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__be16 tmp_be16; |
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__u8 *fp; |
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IRDA_DEBUG(4, "%s() ", __func__); |
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IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(value != NULL, return;); IRDA_ASSERT(value->len <= 1024, return;); /* Initialize variables */ n = 0; /* * We must adjust the size of the response after the length of the * value. We add 32 bytes because of the 6 bytes for the frame and * max 5 bytes for the value coding. */ |
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tx_skb = alloc_skb(value->len + self->max_header_size + 32, GFP_ATOMIC); |
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if (!tx_skb) return; /* Reserve space for MUX and LAP header */ skb_reserve(tx_skb, self->max_header_size); skb_put(tx_skb, 6); fp = tx_skb->data; /* Build frame */ fp[n++] = GET_VALUE_BY_CLASS | IAP_LST; fp[n++] = ret_code; /* Insert list length (MSB first) */ |
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tmp_be16 = htons(0x0001); |
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memcpy(fp+n, &tmp_be16, 2); n += 2; /* Insert object identifier ( MSB first) */ tmp_be16 = cpu_to_be16(obj_id); memcpy(fp+n, &tmp_be16, 2); n += 2; switch (value->type) { case IAS_STRING: skb_put(tx_skb, 3 + value->len); fp[n++] = value->type; fp[n++] = 0; /* ASCII */ fp[n++] = (__u8) value->len; memcpy(fp+n, value->t.string, value->len); n+=value->len; break; case IAS_INTEGER: skb_put(tx_skb, 5); fp[n++] = value->type; tmp_be32 = cpu_to_be32(value->t.integer); memcpy(fp+n, &tmp_be32, 4); n += 4; break; case IAS_OCT_SEQ: skb_put(tx_skb, 3 + value->len); fp[n++] = value->type; tmp_be16 = cpu_to_be16(value->len); memcpy(fp+n, &tmp_be16, 2); n += 2; memcpy(fp+n, value->t.oct_seq, value->len); n+=value->len; break; case IAS_MISSING: |
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IRDA_DEBUG( 3, "%s: sending IAS_MISSING ", __func__); |
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skb_put(tx_skb, 1); fp[n++] = value->type; break; default: |
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IRDA_DEBUG(0, "%s(), type not implemented! ", __func__); |
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break; } iriap_do_r_connect_event(self, IAP_CALL_RESPONSE, tx_skb); /* Drop reference count - see state_r_execute(). */ dev_kfree_skb(tx_skb); } /* * Function iriap_getvaluebyclass_indication (self, skb) * * getvaluebyclass is requested from peer LM-IAS * */ static void iriap_getvaluebyclass_indication(struct iriap_cb *self, struct sk_buff *skb) { struct ias_object *obj; struct ias_attrib *attrib; int name_len; int attr_len; char name[IAS_MAX_CLASSNAME + 1]; /* 60 bytes */ char attr[IAS_MAX_ATTRIBNAME + 1]; /* 60 bytes */ __u8 *fp; int n; |
0dc47877a net: replace rema... |
663 664 |
IRDA_DEBUG(4, "%s() ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
665 666 667 668 669 670 671 672 673 |
IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(skb != NULL, return;); fp = skb->data; n = 1; name_len = fp[n++]; |
d370af0ef irda: validate pe... |
674 675 |
IRDA_ASSERT(name_len < IAS_MAX_CLASSNAME + 1, return;); |
1da177e4c Linux-2.6.12-rc2 |
676 677 678 679 |
memcpy(name, fp+n, name_len); n+=name_len; name[name_len] = '\0'; attr_len = fp[n++]; |
d370af0ef irda: validate pe... |
680 681 |
IRDA_ASSERT(attr_len < IAS_MAX_ATTRIBNAME + 1, return;); |
1da177e4c Linux-2.6.12-rc2 |
682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 |
memcpy(attr, fp+n, attr_len); n+=attr_len; attr[attr_len] = '\0'; IRDA_DEBUG(4, "LM-IAS: Looking up %s: %s ", name, attr); obj = irias_find_object(name); if (obj == NULL) { IRDA_DEBUG(2, "LM-IAS: Object %s not found ", name); iriap_getvaluebyclass_response(self, 0x1235, IAS_CLASS_UNKNOWN, &irias_missing); return; } IRDA_DEBUG(4, "LM-IAS: found %s, id=%d ", obj->name, obj->id); attrib = irias_find_attrib(obj, attr); if (attrib == NULL) { IRDA_DEBUG(2, "LM-IAS: Attribute %s not found ", attr); iriap_getvaluebyclass_response(self, obj->id, |
6819bc2e1 [NET] IRDA: Fix w... |
704 |
IAS_ATTRIB_UNKNOWN, |
1da177e4c Linux-2.6.12-rc2 |
705 706 707 708 709 710 711 |
&irias_missing); return; } /* We have a match; send the value. */ iriap_getvaluebyclass_response(self, obj->id, IAS_SUCCESS, attrib->value); |
1da177e4c Linux-2.6.12-rc2 |
712 713 714 715 716 717 718 719 720 721 722 723 |
} /* * Function iriap_send_ack (void) * * Currently not used * */ void iriap_send_ack(struct iriap_cb *self) { struct sk_buff *tx_skb; __u8 *frame; |
0dc47877a net: replace rema... |
724 725 |
IRDA_DEBUG(2, "%s() ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
726 727 728 |
IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); |
1b0fee7d6 [IrDA]: Memory al... |
729 |
tx_skb = alloc_skb(LMP_MAX_HEADER + 1, GFP_ATOMIC); |
1da177e4c Linux-2.6.12-rc2 |
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 |
if (!tx_skb) return; /* Reserve space for MUX and LAP header */ skb_reserve(tx_skb, self->max_header_size); skb_put(tx_skb, 1); frame = tx_skb->data; /* Build frame */ frame[0] = IAP_LST | IAP_ACK | self->operation; irlmp_data_request(self->lsap, tx_skb); } void iriap_connect_request(struct iriap_cb *self) { int ret; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); ret = irlmp_connect_request(self->lsap, LSAP_IAS, self->saddr, self->daddr, NULL, NULL); if (ret < 0) { |
0dc47877a net: replace rema... |
755 756 |
IRDA_DEBUG(0, "%s(), connect failed! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 |
self->confirm(IAS_DISCONNECT, 0, NULL, self->priv); } } /* * Function iriap_connect_confirm (handle, skb) * * LSAP connection confirmed! * */ static void iriap_connect_confirm(void *instance, void *sap, struct qos_info *qos, __u32 max_seg_size, __u8 max_header_size, struct sk_buff *skb) { struct iriap_cb *self; |
ea1107338 net: Remove casts... |
773 |
self = instance; |
1da177e4c Linux-2.6.12-rc2 |
774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 |
IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(skb != NULL, return;); self->max_data_size = max_seg_size; self->max_header_size = max_header_size; del_timer(&self->watchdog_timer); iriap_do_client_event(self, IAP_LM_CONNECT_CONFIRM, skb); /* Drop reference count - see state_s_make_call(). */ dev_kfree_skb(skb); } /* * Function iriap_connect_indication ( handle, skb) * * Remote LM-IAS is requesting connection * */ static void iriap_connect_indication(void *instance, void *sap, struct qos_info *qos, __u32 max_seg_size, __u8 max_header_size, struct sk_buff *skb) { struct iriap_cb *self, *new; |
0dc47877a net: replace rema... |
802 803 |
IRDA_DEBUG(1, "%s() ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
804 |
|
ea1107338 net: Remove casts... |
805 |
self = instance; |
1da177e4c Linux-2.6.12-rc2 |
806 807 808 809 810 811 812 813 |
IRDA_ASSERT(skb != NULL, return;); IRDA_ASSERT(self != NULL, goto out;); IRDA_ASSERT(self->magic == IAS_MAGIC, goto out;); /* Start new server */ new = iriap_open(LSAP_IAS, IAS_SERVER, NULL, NULL); if (!new) { |
0dc47877a net: replace rema... |
814 815 |
IRDA_DEBUG(0, "%s(), open failed ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
816 817 818 819 820 821 |
goto out; } /* Now attach up the new "socket" */ new->lsap = irlmp_dup(self->lsap, new); if (!new->lsap) { |
0dc47877a net: replace rema... |
822 823 |
IRDA_DEBUG(0, "%s(), dup failed! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 |
goto out; } new->max_data_size = max_seg_size; new->max_header_size = max_header_size; /* Clean up the original one to keep it in listen state */ irlmp_listen(self->lsap); iriap_do_server_event(new, IAP_LM_CONNECT_INDICATION, skb); out: /* Drop reference count - see state_r_disconnect(). */ dev_kfree_skb(skb); } /* * Function iriap_data_indication (handle, skb) * * Receives data from connection identified by handle from IrLMP * */ static int iriap_data_indication(void *instance, void *sap, struct sk_buff *skb) { struct iriap_cb *self; __u8 *frame; __u8 opcode; |
0dc47877a net: replace rema... |
852 853 |
IRDA_DEBUG(3, "%s() ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
854 |
|
ea1107338 net: Remove casts... |
855 |
self = instance; |
1da177e4c Linux-2.6.12-rc2 |
856 857 858 859 860 861 862 863 864 |
IRDA_ASSERT(skb != NULL, return 0;); IRDA_ASSERT(self != NULL, goto out;); IRDA_ASSERT(self->magic == IAS_MAGIC, goto out;); frame = skb->data; if (self->mode == IAS_SERVER) { /* Call server */ |
0dc47877a net: replace rema... |
865 866 |
IRDA_DEBUG(4, "%s(), Calling server! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
867 868 869 870 871 872 873 874 |
iriap_do_r_connect_event(self, IAP_RECV_F_LST, skb); goto out; } opcode = frame[0]; if (~opcode & IAP_LST) { IRDA_WARNING("%s:, IrIAS multiframe commands or " "results is not implemented yet! ", |
0dc47877a net: replace rema... |
875 |
__func__); |
1da177e4c Linux-2.6.12-rc2 |
876 877 878 879 880 |
goto out; } /* Check for ack frames since they don't contain any data */ if (opcode & IAP_ACK) { |
0dc47877a net: replace rema... |
881 882 |
IRDA_DEBUG(0, "%s() Got ack frame! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 |
goto out; } opcode &= ~IAP_LST; /* Mask away LST bit */ switch (opcode) { case GET_INFO_BASE: IRDA_DEBUG(0, "IrLMP GetInfoBaseDetails not implemented! "); break; case GET_VALUE_BY_CLASS: iriap_do_call_event(self, IAP_RECV_F_LST, NULL); switch (frame[1]) { case IAS_SUCCESS: iriap_getvaluebyclass_confirm(self, skb); break; case IAS_CLASS_UNKNOWN: |
0dc47877a net: replace rema... |
901 902 |
IRDA_DEBUG(1, "%s(), No such class! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
903 904 905 906 907 908 909 910 911 912 913 914 |
/* Finished, close connection! */ iriap_disconnect_request(self); /* * Warning, the client might close us, so remember * no to use self anymore after calling confirm */ if (self->confirm) self->confirm(IAS_CLASS_UNKNOWN, 0, NULL, self->priv); break; case IAS_ATTRIB_UNKNOWN: |
0dc47877a net: replace rema... |
915 916 |
IRDA_DEBUG(1, "%s(), No such attribute! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
917 918 919 920 921 922 923 924 925 926 927 928 929 930 |
/* Finished, close connection! */ iriap_disconnect_request(self); /* * Warning, the client might close us, so remember * no to use self anymore after calling confirm */ if (self->confirm) self->confirm(IAS_ATTRIB_UNKNOWN, 0, NULL, self->priv); break; } break; default: |
0dc47877a net: replace rema... |
931 932 |
IRDA_DEBUG(0, "%s(), Unknown op-code: %02x ", __func__, |
1da177e4c Linux-2.6.12-rc2 |
933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 |
opcode); break; } out: /* Cleanup - sub-calls will have done skb_get() as needed. */ dev_kfree_skb(skb); return 0; } /* * Function iriap_call_indication (self, skb) * * Received call to server from peer LM-IAS * */ void iriap_call_indication(struct iriap_cb *self, struct sk_buff *skb) { __u8 *fp; __u8 opcode; |
0dc47877a net: replace rema... |
953 954 |
IRDA_DEBUG(4, "%s() ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
955 956 957 958 959 960 961 962 963 |
IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); IRDA_ASSERT(skb != NULL, return;); fp = skb->data; opcode = fp[0]; if (~opcode & 0x80) { |
a572da437 [IRDA]: Add missi... |
964 |
IRDA_WARNING("%s: IrIAS multiframe commands or results " |
0dc47877a net: replace rema... |
965 966 |
"is not implemented yet! ", __func__); |
1da177e4c Linux-2.6.12-rc2 |
967 968 969 970 971 972 973 974 |
return; } opcode &= 0x7f; /* Mask away LST bit */ switch (opcode) { case GET_INFO_BASE: IRDA_WARNING("%s: GetInfoBaseDetails not implemented yet! ", |
0dc47877a net: replace rema... |
975 |
__func__); |
1da177e4c Linux-2.6.12-rc2 |
976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 |
break; case GET_VALUE_BY_CLASS: iriap_getvaluebyclass_indication(self, skb); break; } /* skb will be cleaned up in iriap_data_indication */ } /* * Function iriap_watchdog_timer_expired (data) * * Query has taken too long time, so abort * */ static void iriap_watchdog_timer_expired(void *data) { struct iriap_cb *self = (struct iriap_cb *) data; IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); /* iriap_close(self); */ } #ifdef CONFIG_PROC_FS |
36cbd3dcc net: mark read-on... |
1001 |
static const char *const ias_value_types[] = { |
1da177e4c Linux-2.6.12-rc2 |
1002 1003 1004 1005 1006 |
"IAS_MISSING", "IAS_INTEGER", "IAS_OCT_SEQ", "IAS_STRING" }; |
6819bc2e1 [NET] IRDA: Fix w... |
1007 |
static inline struct ias_object *irias_seq_idx(loff_t pos) |
1da177e4c Linux-2.6.12-rc2 |
1008 1009 1010 1011 1012 1013 1014 1015 |
{ struct ias_object *obj; for (obj = (struct ias_object *) hashbin_get_first(irias_objects); obj; obj = (struct ias_object *) hashbin_get_next(irias_objects)) { if (pos-- == 0) break; } |
6819bc2e1 [NET] IRDA: Fix w... |
1016 |
|
1da177e4c Linux-2.6.12-rc2 |
1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 |
return obj; } static void *irias_seq_start(struct seq_file *seq, loff_t *pos) { spin_lock_irq(&irias_objects->hb_spinlock); return *pos ? irias_seq_idx(*pos - 1) : SEQ_START_TOKEN; } static void *irias_seq_next(struct seq_file *seq, void *v, loff_t *pos) { ++*pos; |
6819bc2e1 [NET] IRDA: Fix w... |
1030 |
return (v == SEQ_START_TOKEN) |
1da177e4c Linux-2.6.12-rc2 |
1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 |
? (void *) hashbin_get_first(irias_objects) : (void *) hashbin_get_next(irias_objects); } static void irias_seq_stop(struct seq_file *seq, void *v) { spin_unlock_irq(&irias_objects->hb_spinlock); } static int irias_seq_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) seq_puts(seq, "LM-IAS Objects: "); else { struct ias_object *obj = v; struct ias_attrib *attrib; IRDA_ASSERT(obj->magic == IAS_OBJECT_MAGIC, return -EINVAL;); seq_printf(seq, "name: %s, id=%d ", obj->name, obj->id); /* Careful for priority inversions here ! * All other uses of attrib spinlock are independent of * the object spinlock, so we are safe. Jean II */ spin_lock(&obj->attribs->hb_spinlock); /* List all attributes for this object */ for (attrib = (struct ias_attrib *) hashbin_get_first(obj->attribs); attrib != NULL; attrib = (struct ias_attrib *) hashbin_get_next(obj->attribs)) { |
6819bc2e1 [NET] IRDA: Fix w... |
1064 |
|
1da177e4c Linux-2.6.12-rc2 |
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 |
IRDA_ASSERT(attrib->magic == IAS_ATTRIB_MAGIC, goto outloop; ); seq_printf(seq, " - Attribute name: \"%s\", ", attrib->name); seq_printf(seq, "value[%s]: ", ias_value_types[attrib->value->type]); switch (attrib->value->type) { case IAS_INTEGER: seq_printf(seq, "%d ", attrib->value->t.integer); break; case IAS_STRING: seq_printf(seq, "\"%s\" ", attrib->value->t.string); break; case IAS_OCT_SEQ: |
6819bc2e1 [NET] IRDA: Fix w... |
1085 1086 |
seq_printf(seq, "octet sequence (%d bytes) ", |
1da177e4c Linux-2.6.12-rc2 |
1087 1088 1089 1090 1091 1092 1093 |
attrib->value->len); break; case IAS_MISSING: seq_puts(seq, "missing "); break; default: |
6819bc2e1 [NET] IRDA: Fix w... |
1094 1095 |
seq_printf(seq, "type %d? ", |
1da177e4c Linux-2.6.12-rc2 |
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 |
attrib->value->type); } seq_putc(seq, ' '); } IRDA_ASSERT_LABEL(outloop:) spin_unlock(&obj->attribs->hb_spinlock); } return 0; } |
56b3d975b [NET]: Make all i... |
1108 |
static const struct seq_operations irias_seq_ops = { |
1da177e4c Linux-2.6.12-rc2 |
1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 |
.start = irias_seq_start, .next = irias_seq_next, .stop = irias_seq_stop, .show = irias_seq_show, }; static int irias_seq_open(struct inode *inode, struct file *file) { IRDA_ASSERT( irias_objects != NULL, return -EINVAL;); return seq_open(file, &irias_seq_ops); } |
da7071d7e [PATCH] mark stru... |
1121 |
const struct file_operations irias_seq_fops = { |
1da177e4c Linux-2.6.12-rc2 |
1122 1123 1124 1125 1126 1127 1128 1129 |
.owner = THIS_MODULE, .open = irias_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, }; #endif /* PROC_FS */ |