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-rw-r--r--net/irda/iriap.c1085
1 files changed, 0 insertions, 1085 deletions
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
deleted file mode 100644
index 1138eaf5c682..000000000000
--- a/net/irda/iriap.c
+++ /dev/null
@@ -1,1085 +0,0 @@
-/*********************************************************************
- *
- * 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.
- *
- * Neither Dag Brattli nor University of Tromsø admit liability nor
- * provide warranty for any of this software. This material is
- * provided "AS-IS" and at no charge.
- *
- ********************************************************************/
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/skbuff.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-
-#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>
-
-/* FIXME: This one should go in irlmp.c */
-static const char *const ias_charset_types[] __maybe_unused = {
- "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"
-};
-
-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);
-
-static inline void iriap_start_watchdog_timer(struct iriap_cb *self,
- int timeout)
-{
- irda_start_timer(&self->watchdog_timer, timeout, self,
- iriap_watchdog_timer_expired);
-}
-
-static struct lock_class_key irias_objects_key;
-
-/*
- * 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) {
- net_warn_ratelimited("%s: Can't allocate irias_objects hashbin!\n",
- __func__);
- hashbin_delete(iriap, NULL);
- return -ENOMEM;
- }
-
- lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key,
- "irias_objects");
-
- /*
- * 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) {
- pr_debug("%s(), unable to open server\n", __func__);
- 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
- */
-void iriap_cleanup(void)
-{
- 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;
-
- self = kzalloc(sizeof(*self), GFP_ATOMIC);
- if (!self)
- return NULL;
-
- /*
- * Initialize instance
- */
-
- self->magic = IAS_MAGIC;
- self->mode = mode;
- if (mode == IAS_CLIENT) {
- if (iriap_register_lsap(self, slsap_sel, mode)) {
- kfree(self);
- return NULL;
- }
- }
-
- 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)
-{
- 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;
-
- 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;
-
- irda_notify_init(&notify);
- 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, &notify, 0);
- if (self->lsap == NULL) {
- net_err_ratelimited("%s: Unable to allocated LSAP!\n",
- __func__);
- 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;
-
- pr_debug("%s(), reason=%s [%d]\n", __func__,
- irlmp_reason_str(reason), reason);
-
- self = instance;
-
- 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) {
- pr_debug("%s(), disconnect as client\n", __func__);
-
-
- 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 {
- pr_debug("%s(), disconnect as server\n", __func__);
- 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;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
-
- tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC);
- if (tx_skb == NULL) {
- pr_debug("%s(), Could not allocate an sk_buff of length %d\n",
- __func__, LMP_MAX_HEADER);
- 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)
- *
- * Retrieve all values from attribute in all objects with given class
- * 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;
- tx_skb = alloc_skb(skb_len, GFP_ATOMIC);
- 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 */
- len = get_unaligned_be16(fp + n);
- n += 2;
-
- pr_debug("%s(), len=%d\n", __func__, len);
-
- /* Get object ID, MSB first */
- obj_id = get_unaligned_be16(fp + n);
- n += 2;
-
- type = fp[n++];
- pr_debug("%s(), Value type = %d\n", __func__, type);
-
- 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 */
- pr_debug("%s(), lsap=%d\n", __func__, value->t.integer);
- 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:
- pr_debug("%s(), charset [%d] %s, not supported\n",
- __func__, charset,
- charset < ARRAY_SIZE(ias_charset_types) ?
- ias_charset_types[charset] :
- "(unknown)");
-
- /* Aborting, close connection! */
- iriap_disconnect_request(self);
- return;
- /* break; */
- }
- value_len = fp[n++];
- pr_debug("%s(), strlen=%d\n", __func__, value_len);
-
- /* Make sure the string is null-terminated */
- if (n + value_len < skb->len)
- fp[n + value_len] = 0x00;
- pr_debug("Got string %s\n", fp+n);
-
- /* Will truncate to IAS_MAX_STRING bytes */
- value = irias_new_string_value(fp+n);
- break;
- case IAS_OCT_SEQ:
- value_len = get_unaligned_be16(fp + n);
- 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 {
- pr_debug("%s(), missing handler!\n", __func__);
- 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;
- __be32 tmp_be32;
- __be16 tmp_be16;
- __u8 *fp;
-
- 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.
- */
- tx_skb = alloc_skb(value->len + self->max_header_size + 32,
- GFP_ATOMIC);
- 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) */
- tmp_be16 = htons(0x0001);
- 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:
- pr_debug("%s: sending IAS_MISSING\n", __func__);
- skb_put(tx_skb, 1);
- fp[n++] = value->type;
- break;
- default:
- pr_debug("%s(), type not implemented!\n", __func__);
- 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;
-
- 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++];
-
- IRDA_ASSERT(name_len < IAS_MAX_CLASSNAME + 1, return;);
-
- memcpy(name, fp+n, name_len); n+=name_len;
- name[name_len] = '\0';
-
- attr_len = fp[n++];
-
- IRDA_ASSERT(attr_len < IAS_MAX_ATTRIBNAME + 1, return;);
-
- memcpy(attr, fp+n, attr_len); n+=attr_len;
- attr[attr_len] = '\0';
-
- pr_debug("LM-IAS: Looking up %s: %s\n", name, attr);
- obj = irias_find_object(name);
-
- if (obj == NULL) {
- pr_debug("LM-IAS: Object %s not found\n", name);
- iriap_getvaluebyclass_response(self, 0x1235, IAS_CLASS_UNKNOWN,
- &irias_missing);
- return;
- }
- pr_debug("LM-IAS: found %s, id=%d\n", obj->name, obj->id);
-
- attrib = irias_find_attrib(obj, attr);
- if (attrib == NULL) {
- pr_debug("LM-IAS: Attribute %s not found\n", attr);
- iriap_getvaluebyclass_response(self, obj->id,
- IAS_ATTRIB_UNKNOWN,
- &irias_missing);
- return;
- }
-
- /* We have a match; send the value. */
- iriap_getvaluebyclass_response(self, obj->id, IAS_SUCCESS,
- attrib->value);
-}
-
-/*
- * Function iriap_send_ack (void)
- *
- * Currently not used
- *
- */
-void iriap_send_ack(struct iriap_cb *self)
-{
- struct sk_buff *tx_skb;
- __u8 *frame;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
-
- tx_skb = alloc_skb(LMP_MAX_HEADER + 1, GFP_ATOMIC);
- 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) {
- pr_debug("%s(), connect failed!\n", __func__);
- 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;
-
- self = instance;
-
- 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;
-
- self = instance;
-
- 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) {
- pr_debug("%s(), open failed\n", __func__);
- goto out;
- }
-
- /* Now attach up the new "socket" */
- new->lsap = irlmp_dup(self->lsap, new);
- if (!new->lsap) {
- pr_debug("%s(), dup failed!\n", __func__);
- 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;
-
- self = instance;
-
- 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 */
- pr_debug("%s(), Calling server!\n", __func__);
- iriap_do_r_connect_event(self, IAP_RECV_F_LST, skb);
- goto out;
- }
- opcode = frame[0];
- if (~opcode & IAP_LST) {
- net_warn_ratelimited("%s:, IrIAS multiframe commands or results is not implemented yet!\n",
- __func__);
- goto out;
- }
-
- /* Check for ack frames since they don't contain any data */
- if (opcode & IAP_ACK) {
- pr_debug("%s() Got ack frame!\n", __func__);
- goto out;
- }
-
- opcode &= ~IAP_LST; /* Mask away LST bit */
-
- switch (opcode) {
- case GET_INFO_BASE:
- pr_debug("IrLMP GetInfoBaseDetails not implemented!\n");
- 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:
- pr_debug("%s(), No such class!\n", __func__);
- /* 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:
- pr_debug("%s(), No such attribute!\n", __func__);
- /* 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:
- pr_debug("%s(), Unknown op-code: %02x\n", __func__,
- 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;
-
- 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) {
- net_warn_ratelimited("%s: IrIAS multiframe commands or results is not implemented yet!\n",
- __func__);
- return;
- }
- opcode &= 0x7f; /* Mask away LST bit */
-
- switch (opcode) {
- case GET_INFO_BASE:
- net_warn_ratelimited("%s: GetInfoBaseDetails not implemented yet!\n",
- __func__);
- 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
-
-static const char *const ias_value_types[] = {
- "IAS_MISSING",
- "IAS_INTEGER",
- "IAS_OCT_SEQ",
- "IAS_STRING"
-};
-
-static inline struct ias_object *irias_seq_idx(loff_t pos)
-{
- 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;
- }
-
- 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;
-
- return (v == SEQ_START_TOKEN)
- ? (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:\n");
- 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\n",
- 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)) {
-
- 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\n",
- attrib->value->t.integer);
- break;
- case IAS_STRING:
- seq_printf(seq, "\"%s\"\n",
- attrib->value->t.string);
- break;
- case IAS_OCT_SEQ:
- seq_printf(seq, "octet sequence (%d bytes)\n",
- attrib->value->len);
- break;
- case IAS_MISSING:
- seq_puts(seq, "missing\n");
- break;
- default:
- seq_printf(seq, "type %d?\n",
- attrib->value->type);
- }
- seq_putc(seq, '\n');
-
- }
- IRDA_ASSERT_LABEL(outloop:)
- spin_unlock(&obj->attribs->hb_spinlock);
- }
-
- return 0;
-}
-
-static const struct seq_operations irias_seq_ops = {
- .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);
-}
-
-const struct file_operations irias_seq_fops = {
- .owner = THIS_MODULE,
- .open = irias_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-#endif /* PROC_FS */