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Diffstat (limited to 'net/irda/irlan/irlan_client.c')
-rw-r--r--net/irda/irlan/irlan_client.c559
1 files changed, 0 insertions, 559 deletions
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
deleted file mode 100644
index c5837a40c78e..000000000000
--- a/net/irda/irlan/irlan_client.c
+++ /dev/null
@@ -1,559 +0,0 @@
-/*********************************************************************
- *
- * Filename: irlan_client.c
- * Version: 0.9
- * Description: IrDA LAN Access Protocol (IrLAN) Client
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Sun Aug 31 20:14:37 1997
- * Modified at: Tue Dec 14 15:47:02 1999
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- * Sources: skeleton.c by Donald Becker <becker@CESDIS.gsfc.nasa.gov>
- * slip.c by Laurence Culhane, <loz@holmes.demon.co.uk>
- * Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
- *
- * Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>,
- * All Rights Reserved.
- *
- * 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/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/bitops.h>
-#include <net/arp.h>
-
-#include <asm/byteorder.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.h>
-#include <net/irda/timer.h>
-
-#include <net/irda/irlan_common.h>
-#include <net/irda/irlan_event.h>
-#include <net/irda/irlan_eth.h>
-#include <net/irda/irlan_provider.h>
-#include <net/irda/irlan_client.h>
-
-#undef CONFIG_IRLAN_GRATUITOUS_ARP
-
-static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
- LM_REASON reason,
- struct sk_buff *);
-static int irlan_client_ctrl_data_indication(void *instance, void *sap,
- struct sk_buff *skb);
-static void irlan_client_ctrl_connect_confirm(void *instance, void *sap,
- struct qos_info *qos,
- __u32 max_sdu_size,
- __u8 max_header_size,
- struct sk_buff *);
-static void irlan_check_response_param(struct irlan_cb *self, char *param,
- char *value, int val_len);
-static void irlan_client_open_ctrl_tsap(struct irlan_cb *self);
-
-static void irlan_client_kick_timer_expired(void *data)
-{
- struct irlan_cb *self = (struct irlan_cb *) data;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- /*
- * If we are in peer mode, the client may not have got the discovery
- * indication it needs to make progress. If the client is still in
- * IDLE state, we must kick it to, but only if the provider is not IDLE
- */
- if ((self->provider.access_type == ACCESS_PEER) &&
- (self->client.state == IRLAN_IDLE) &&
- (self->provider.state != IRLAN_IDLE)) {
- irlan_client_wakeup(self, self->saddr, self->daddr);
- }
-}
-
-static void irlan_client_start_kick_timer(struct irlan_cb *self, int timeout)
-{
- irda_start_timer(&self->client.kick_timer, timeout, (void *) self,
- irlan_client_kick_timer_expired);
-}
-
-/*
- * Function irlan_client_wakeup (self, saddr, daddr)
- *
- * Wake up client
- *
- */
-void irlan_client_wakeup(struct irlan_cb *self, __u32 saddr, __u32 daddr)
-{
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- /*
- * Check if we are already awake, or if we are a provider in direct
- * mode (in that case we must leave the client idle
- */
- if ((self->client.state != IRLAN_IDLE) ||
- (self->provider.access_type == ACCESS_DIRECT))
- {
- pr_debug("%s(), already awake!\n", __func__);
- return;
- }
-
- /* Addresses may have changed! */
- self->saddr = saddr;
- self->daddr = daddr;
-
- if (self->disconnect_reason == LM_USER_REQUEST) {
- pr_debug("%s(), still stopped by user\n", __func__);
- return;
- }
-
- /* Open TSAPs */
- irlan_client_open_ctrl_tsap(self);
- irlan_open_data_tsap(self);
-
- irlan_do_client_event(self, IRLAN_DISCOVERY_INDICATION, NULL);
-
- /* Start kick timer */
- irlan_client_start_kick_timer(self, 2*HZ);
-}
-
-/*
- * Function irlan_discovery_indication (daddr)
- *
- * Remote device with IrLAN server support discovered
- *
- */
-void irlan_client_discovery_indication(discinfo_t *discovery,
- DISCOVERY_MODE mode,
- void *priv)
-{
- struct irlan_cb *self;
- __u32 saddr, daddr;
-
- IRDA_ASSERT(discovery != NULL, return;);
-
- /*
- * I didn't check it, but I bet that IrLAN suffer from the same
- * deficiency as IrComm and doesn't handle two instances
- * simultaneously connecting to each other.
- * Same workaround, drop passive discoveries.
- * Jean II */
- if(mode == DISCOVERY_PASSIVE)
- return;
-
- saddr = discovery->saddr;
- daddr = discovery->daddr;
-
- /* Find instance */
- rcu_read_lock();
- self = irlan_get_any();
- if (self) {
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, goto out;);
-
- pr_debug("%s(), Found instance (%08x)!\n", __func__ ,
- daddr);
-
- irlan_client_wakeup(self, saddr, daddr);
- }
-IRDA_ASSERT_LABEL(out:)
- rcu_read_unlock();
-}
-
-/*
- * Function irlan_client_data_indication (handle, skb)
- *
- * This function gets the data that is received on the control channel
- *
- */
-static int irlan_client_ctrl_data_indication(void *instance, void *sap,
- struct sk_buff *skb)
-{
- struct irlan_cb *self;
-
- self = instance;
-
- IRDA_ASSERT(self != NULL, return -1;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
- IRDA_ASSERT(skb != NULL, return -1;);
-
- irlan_do_client_event(self, IRLAN_DATA_INDICATION, skb);
-
- /* Ready for a new command */
- pr_debug("%s(), clearing tx_busy\n", __func__);
- self->client.tx_busy = FALSE;
-
- /* Check if we have some queued commands waiting to be sent */
- irlan_run_ctrl_tx_queue(self);
-
- return 0;
-}
-
-static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
- LM_REASON reason,
- struct sk_buff *userdata)
-{
- struct irlan_cb *self;
- struct tsap_cb *tsap;
- struct sk_buff *skb;
-
- pr_debug("%s(), reason=%d\n", __func__ , reason);
-
- self = instance;
- tsap = sap;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
- IRDA_ASSERT(tsap != NULL, return;);
- IRDA_ASSERT(tsap->magic == TTP_TSAP_MAGIC, return;);
-
- IRDA_ASSERT(tsap == self->client.tsap_ctrl, return;);
-
- /* Remove frames queued on the control channel */
- while ((skb = skb_dequeue(&self->client.txq)) != NULL) {
- dev_kfree_skb(skb);
- }
- self->client.tx_busy = FALSE;
-
- irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL);
-}
-
-/*
- * Function irlan_client_open_tsaps (self)
- *
- * Initialize callbacks and open IrTTP TSAPs
- *
- */
-static void irlan_client_open_ctrl_tsap(struct irlan_cb *self)
-{
- struct tsap_cb *tsap;
- notify_t notify;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- /* Check if already open */
- if (self->client.tsap_ctrl)
- return;
-
- irda_notify_init(&notify);
-
- /* Set up callbacks */
- notify.data_indication = irlan_client_ctrl_data_indication;
- notify.connect_confirm = irlan_client_ctrl_connect_confirm;
- notify.disconnect_indication = irlan_client_ctrl_disconnect_indication;
- notify.instance = self;
- strlcpy(notify.name, "IrLAN ctrl (c)", sizeof(notify.name));
-
- tsap = irttp_open_tsap(LSAP_ANY, DEFAULT_INITIAL_CREDIT, &notify);
- if (!tsap) {
- pr_debug("%s(), Got no tsap!\n", __func__);
- return;
- }
- self->client.tsap_ctrl = tsap;
-}
-
-/*
- * Function irlan_client_connect_confirm (handle, skb)
- *
- * Connection to peer IrLAN laye confirmed
- *
- */
-static void irlan_client_ctrl_connect_confirm(void *instance, void *sap,
- struct qos_info *qos,
- __u32 max_sdu_size,
- __u8 max_header_size,
- struct sk_buff *skb)
-{
- struct irlan_cb *self;
-
- self = instance;
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- self->client.max_sdu_size = max_sdu_size;
- self->client.max_header_size = max_header_size;
-
- /* TODO: we could set the MTU depending on the max_sdu_size */
-
- irlan_do_client_event(self, IRLAN_CONNECT_COMPLETE, NULL);
-}
-
-/*
- * Function print_ret_code (code)
- *
- * Print return code of request to peer IrLAN layer.
- *
- */
-static void print_ret_code(__u8 code)
-{
- switch(code) {
- case 0:
- printk(KERN_INFO "Success\n");
- break;
- case 1:
- net_warn_ratelimited("IrLAN: Insufficient resources\n");
- break;
- case 2:
- net_warn_ratelimited("IrLAN: Invalid command format\n");
- break;
- case 3:
- net_warn_ratelimited("IrLAN: Command not supported\n");
- break;
- case 4:
- net_warn_ratelimited("IrLAN: Parameter not supported\n");
- break;
- case 5:
- net_warn_ratelimited("IrLAN: Value not supported\n");
- break;
- case 6:
- net_warn_ratelimited("IrLAN: Not open\n");
- break;
- case 7:
- net_warn_ratelimited("IrLAN: Authentication required\n");
- break;
- case 8:
- net_warn_ratelimited("IrLAN: Invalid password\n");
- break;
- case 9:
- net_warn_ratelimited("IrLAN: Protocol error\n");
- break;
- case 255:
- net_warn_ratelimited("IrLAN: Asynchronous status\n");
- break;
- }
-}
-
-/*
- * Function irlan_client_parse_response (self, skb)
- *
- * Extract all parameters from received buffer, then feed them to
- * check_params for parsing
- */
-void irlan_client_parse_response(struct irlan_cb *self, struct sk_buff *skb)
-{
- __u8 *frame;
- __u8 *ptr;
- int count;
- int ret;
- __u16 val_len;
- int i;
- char *name;
- char *value;
-
- IRDA_ASSERT(skb != NULL, return;);
-
- pr_debug("%s() skb->len=%d\n", __func__ , (int)skb->len);
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- if (!skb) {
- net_err_ratelimited("%s(), Got NULL skb!\n", __func__);
- return;
- }
- frame = skb->data;
-
- /*
- * Check return code and print it if not success
- */
- if (frame[0]) {
- print_ret_code(frame[0]);
- return;
- }
-
- name = kmalloc(255, GFP_ATOMIC);
- if (!name)
- return;
- value = kmalloc(1016, GFP_ATOMIC);
- if (!value) {
- kfree(name);
- return;
- }
-
- /* How many parameters? */
- count = frame[1];
-
- pr_debug("%s(), got %d parameters\n", __func__ , count);
-
- ptr = frame+2;
-
- /* For all parameters */
- for (i=0; i<count;i++) {
- ret = irlan_extract_param(ptr, name, value, &val_len);
- if (ret < 0) {
- pr_debug("%s(), IrLAN, Error!\n", __func__);
- break;
- }
- ptr += ret;
- irlan_check_response_param(self, name, value, val_len);
- }
- /* Cleanup */
- kfree(name);
- kfree(value);
-}
-
-/*
- * Function irlan_check_response_param (self, param, value, val_len)
- *
- * Check which parameter is received and update local variables
- *
- */
-static void irlan_check_response_param(struct irlan_cb *self, char *param,
- char *value, int val_len)
-{
- __u16 tmp_cpu; /* Temporary value in host order */
- __u8 *bytes;
- int i;
-
- pr_debug("%s(), parm=%s\n", __func__ , param);
-
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- /* Media type */
- if (strcmp(param, "MEDIA") == 0) {
- if (strcmp(value, "802.3") == 0)
- self->media = MEDIA_802_3;
- else
- self->media = MEDIA_802_5;
- return;
- }
- if (strcmp(param, "FILTER_TYPE") == 0) {
- if (strcmp(value, "DIRECTED") == 0)
- self->client.filter_type |= IRLAN_DIRECTED;
- else if (strcmp(value, "FUNCTIONAL") == 0)
- self->client.filter_type |= IRLAN_FUNCTIONAL;
- else if (strcmp(value, "GROUP") == 0)
- self->client.filter_type |= IRLAN_GROUP;
- else if (strcmp(value, "MAC_FRAME") == 0)
- self->client.filter_type |= IRLAN_MAC_FRAME;
- else if (strcmp(value, "MULTICAST") == 0)
- self->client.filter_type |= IRLAN_MULTICAST;
- else if (strcmp(value, "BROADCAST") == 0)
- self->client.filter_type |= IRLAN_BROADCAST;
- else if (strcmp(value, "IPX_SOCKET") == 0)
- self->client.filter_type |= IRLAN_IPX_SOCKET;
-
- }
- if (strcmp(param, "ACCESS_TYPE") == 0) {
- if (strcmp(value, "DIRECT") == 0)
- self->client.access_type = ACCESS_DIRECT;
- else if (strcmp(value, "PEER") == 0)
- self->client.access_type = ACCESS_PEER;
- else if (strcmp(value, "HOSTED") == 0)
- self->client.access_type = ACCESS_HOSTED;
- else {
- pr_debug("%s(), unknown access type!\n", __func__);
- }
- }
- /* IRLAN version */
- if (strcmp(param, "IRLAN_VER") == 0) {
- pr_debug("IrLAN version %d.%d\n", (__u8)value[0],
- (__u8)value[1]);
-
- self->version[0] = value[0];
- self->version[1] = value[1];
- return;
- }
- /* Which remote TSAP to use for data channel */
- if (strcmp(param, "DATA_CHAN") == 0) {
- self->dtsap_sel_data = value[0];
- pr_debug("Data TSAP = %02x\n", self->dtsap_sel_data);
- return;
- }
- if (strcmp(param, "CON_ARB") == 0) {
- memcpy(&tmp_cpu, value, 2); /* Align value */
- le16_to_cpus(&tmp_cpu); /* Convert to host order */
- self->client.recv_arb_val = tmp_cpu;
- pr_debug("%s(), receive arb val=%d\n", __func__ ,
- self->client.recv_arb_val);
- }
- if (strcmp(param, "MAX_FRAME") == 0) {
- memcpy(&tmp_cpu, value, 2); /* Align value */
- le16_to_cpus(&tmp_cpu); /* Convert to host order */
- self->client.max_frame = tmp_cpu;
- pr_debug("%s(), max frame=%d\n", __func__ ,
- self->client.max_frame);
- }
-
- /* RECONNECT_KEY, in case the link goes down! */
- if (strcmp(param, "RECONNECT_KEY") == 0) {
- pr_debug("Got reconnect key: ");
- /* for (i = 0; i < val_len; i++) */
-/* printk("%02x", value[i]); */
- memcpy(self->client.reconnect_key, value, val_len);
- self->client.key_len = val_len;
- pr_debug("\n");
- }
- /* FILTER_ENTRY, have we got an ethernet address? */
- if (strcmp(param, "FILTER_ENTRY") == 0) {
- bytes = value;
- pr_debug("Ethernet address = %pM\n", bytes);
- for (i = 0; i < 6; i++)
- self->dev->dev_addr[i] = bytes[i];
- }
-}
-
-/*
- * Function irlan_client_get_value_confirm (obj_id, value)
- *
- * Got results from remote LM-IAS
- *
- */
-void irlan_client_get_value_confirm(int result, __u16 obj_id,
- struct ias_value *value, void *priv)
-{
- struct irlan_cb *self;
-
- IRDA_ASSERT(priv != NULL, return;);
-
- self = priv;
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
- /* We probably don't need to make any more queries */
- iriap_close(self->client.iriap);
- self->client.iriap = NULL;
-
- /* Check if request succeeded */
- if (result != IAS_SUCCESS) {
- pr_debug("%s(), got NULL value!\n", __func__);
- irlan_do_client_event(self, IRLAN_IAS_PROVIDER_NOT_AVAIL,
- NULL);
- return;
- }
-
- switch (value->type) {
- case IAS_INTEGER:
- self->dtsap_sel_ctrl = value->t.integer;
-
- if (value->t.integer != -1) {
- irlan_do_client_event(self, IRLAN_IAS_PROVIDER_AVAIL,
- NULL);
- return;
- }
- irias_delete_value(value);
- break;
- default:
- pr_debug("%s(), unknown type!\n", __func__);
- break;
- }
- irlan_do_client_event(self, IRLAN_IAS_PROVIDER_NOT_AVAIL, NULL);
-}
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