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-rw-r--r--net/irda/irlan/irlan_common.c274
1 files changed, 177 insertions, 97 deletions
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 6a30574ca..d0a77557b 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -6,10 +6,11 @@
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sun Aug 31 20:14:37 1997
- * Modified at: Thu Apr 22 23:13:47 1999
+ * Modified at: Mon May 31 14:25:19 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
- * Copyright (c) 1997 Dag Brattli <dagb@cs.uit.no>, All Rights Reserved.
+ * Copyright (c) 1997, 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
@@ -93,19 +94,25 @@ static void __irlan_close(struct irlan_cb *self);
static int __irlan_insert_param(struct sk_buff *skb, char *param, int type,
__u8 value_byte, __u16 value_short,
__u8 *value_array, __u16 value_len);
-static void irlan_close_tsaps(struct irlan_cb *self);
+void irlan_close_tsaps(struct irlan_cb *self);
#ifdef CONFIG_PROC_FS
static int irlan_proc_read(char *buf, char **start, off_t offset, int len,
int unused);
extern struct proc_dir_entry *proc_irda;
-#endif
+#endif /* CONFIG_PROC_FS */
+/*
+ * Function irlan_watchdog_timer_expired (data)
+ *
+ *
+ *
+ */
void irlan_watchdog_timer_expired(unsigned long data)
{
struct irmanager_event mgr_event;
- struct irlan_cb *self, *entry;
+ struct irlan_cb *self;
DEBUG(0, __FUNCTION__ "()\n");
@@ -116,6 +123,7 @@ void irlan_watchdog_timer_expired(unsigned long data)
/* Check if device still configured */
if (self->dev.start) {
+ DEBUG(0, __FUNCTION__ "(), notifying irmanager to stop irlan!\n");
mgr_event.event = EVENT_IRLAN_STOP;
sprintf(mgr_event.devname, "%s", self->ifname);
irmanager_notify(&mgr_event);
@@ -128,22 +136,13 @@ void irlan_watchdog_timer_expired(unsigned long data)
*/
self->notify_irmanager = FALSE;
} else {
- DEBUG(0, __FUNCTION__ "(), recycling instance!\n");
+ DEBUG(0, __FUNCTION__ "(), closing instance!\n");
if (self->netdev_registered) {
DEBUG(0, __FUNCTION__ "(), removing netdev!\n");
unregister_netdev(&self->dev);
self->netdev_registered = FALSE;
}
-
- /* Unbind from daddr */
- entry = hashbin_remove(irlan, self->daddr, NULL);
- ASSERT(entry == self, return;);
-
- self->daddr = DEV_ADDR_ANY;
- self->saddr = DEV_ADDR_ANY;
-
- DEBUG(2, __FUNCTION__ "(), daddr=%08x\n", self->daddr);
- hashbin_insert(irlan, (QUEUE*) self, self->daddr, NULL);
+ irlan_close(self);
}
}
@@ -195,12 +194,12 @@ __initfunc(int irlan_init(void))
/* Register with IrLMP as a service */
skey = irlmp_register_service(hints);
- /* Start the first IrLAN instance */
+ /* Start the master IrLAN instance */
new = irlan_open(DEV_ADDR_ANY, DEV_ADDR_ANY, FALSE);
- irlan_open_data_tsap(new);
- irlan_client_open_ctrl_tsap(new);
+ /* The master will only open its (listen) control TSAP */
irlan_provider_open_ctrl_tsap(new);
+ new->master = TRUE;
/* Do some fast discovery! */
irlmp_discovery_request(DISCOVERY_DEFAULT_SLOTS);
@@ -293,7 +292,7 @@ struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr, int netdev)
self->daddr = daddr;
/* Provider access can only be PEER, DIRECT, or HOSTED */
- self->access_type = access;
+ self->provider.access_type = access;
self->media = MEDIA_802_3;
self->notify_irmanager = TRUE;
@@ -302,7 +301,9 @@ struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr, int netdev)
init_timer(&self->client.kick_timer);
hashbin_insert(irlan, (QUEUE *) self, daddr, NULL);
-
+
+ skb_queue_head_init(&self->client.txq);
+
irlan_next_client_state(self, IRLAN_IDLE);
irlan_next_provider_state(self, IRLAN_IDLE);
@@ -322,7 +323,7 @@ struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr, int netdev)
*/
static void __irlan_close(struct irlan_cb *self)
{
- DEBUG(0, __FUNCTION__ "()\n");
+ DEBUG(2, __FUNCTION__ "()\n");
ASSERT(self != NULL, return;);
ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -359,8 +360,11 @@ void irlan_close(struct irlan_cb *self)
/* Check if device is still configured */
if (self->dev.start) {
- DEBUG(2, __FUNCTION__
+ DEBUG(0, __FUNCTION__
"(), Device still configured, closing later!\n");
+
+ /* Give it a chance to reconnect */
+ irlan_start_watchdog_timer(self, IRLAN_TIMEOUT);
return;
}
DEBUG(2, __FUNCTION__ "(), daddr=%08x\n", self->daddr);
@@ -371,8 +375,15 @@ void irlan_close(struct irlan_cb *self)
__irlan_close(self);
}
+/*
+ * Function irlan_connect_indication (instance, sap, qos, max_sdu_size, skb)
+ *
+ * Here we receive the connect indication for the data channel
+ *
+ */
void irlan_connect_indication(void *instance, void *sap, struct qos_info *qos,
- __u32 max_sdu_size, struct sk_buff *skb)
+ __u32 max_sdu_size, __u8 max_header_size,
+ struct sk_buff *skb)
{
struct irlan_cb *self;
struct tsap_cb *tsap;
@@ -386,13 +397,17 @@ void irlan_connect_indication(void *instance, void *sap, struct qos_info *qos,
ASSERT(self->magic == IRLAN_MAGIC, return;);
ASSERT(tsap == self->tsap_data,return;);
- DEBUG(2, "IrLAN, We are now connected!\n");
+ self->max_sdu_size = max_sdu_size;
+ self->max_header_size = max_header_size;
+
+ DEBUG(0, "IrLAN, We are now connected!\n");
+
del_timer(&self->watchdog_timer);
irlan_do_provider_event(self, IRLAN_DATA_CONNECT_INDICATION, skb);
irlan_do_client_event(self, IRLAN_DATA_CONNECT_INDICATION, skb);
- if (self->access_type == ACCESS_PEER) {
+ if (self->provider.access_type == ACCESS_PEER) {
/*
* Data channel is open, so we are now allowed to
* configure the remote filter
@@ -400,22 +415,24 @@ void irlan_connect_indication(void *instance, void *sap, struct qos_info *qos,
irlan_get_unicast_addr(self);
irlan_open_unicast_addr(self);
}
- /* Ready to transfer Ethernet frames */
+ /* Ready to transfer Ethernet frames (at last) */
self->dev.tbusy = 0;
}
void irlan_connect_confirm(void *instance, void *sap, struct qos_info *qos,
- __u32 max_sdu_size, struct sk_buff *skb)
+ __u32 max_sdu_size, __u8 max_header_size,
+ struct sk_buff *skb)
{
struct irlan_cb *self;
- DEBUG(2, __FUNCTION__ "()\n");
-
self = (struct irlan_cb *) instance;
ASSERT(self != NULL, return;);
ASSERT(self->magic == IRLAN_MAGIC, return;);
+ self->max_sdu_size = max_sdu_size;
+ self->max_header_size = max_header_size;
+
/* TODO: we could set the MTU depending on the max_sdu_size */
DEBUG(2, "IrLAN, We are now connected!\n");
@@ -427,9 +444,15 @@ void irlan_connect_confirm(void *instance, void *sap, struct qos_info *qos,
*/
irlan_get_unicast_addr(self);
irlan_open_unicast_addr(self);
+
+ /* Open broadcast and multicast filter by default */
+ irlan_set_broadcast_filter(self, TRUE);
+ irlan_set_multicast_filter(self, TRUE);
/* Ready to transfer Ethernet frames */
self->dev.tbusy = 0;
+
+ irlan_eth_send_gratuitous_arp(&self->dev);
}
/*
@@ -444,7 +467,7 @@ void irlan_disconnect_indication(void *instance, void *sap, LM_REASON reason,
struct irlan_cb *self;
struct tsap_cb *tsap;
- DEBUG(2, __FUNCTION__ "(), reason=%d\n", reason);
+ DEBUG(0, __FUNCTION__ "(), reason=%d\n", reason);
self = (struct irlan_cb *) instance;
tsap = (struct tsap_cb *) sap;
@@ -460,7 +483,7 @@ void irlan_disconnect_indication(void *instance, void *sap, LM_REASON reason,
switch(reason) {
case LM_USER_REQUEST: /* User request */
- //irlan_close(self);
+ irlan_close(self);
break;
case LM_LAP_DISCONNECT: /* Unexpected IrLAP disconnect */
irlan_start_watchdog_timer(self, IRLAN_TIMEOUT);
@@ -478,9 +501,6 @@ void irlan_disconnect_indication(void *instance, void *sap, LM_REASON reason,
break;
}
- /* Stop IP from transmitting more packets */
- /* irlan_client_flow_indication(handle, FLOW_STOP, priv); */
-
irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL);
irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL);
}
@@ -490,7 +510,7 @@ void irlan_open_data_tsap(struct irlan_cb *self)
struct notify_t notify;
struct tsap_cb *tsap;
- DEBUG(4, __FUNCTION__ "()\n");
+ DEBUG(2, __FUNCTION__ "()\n");
ASSERT(self != NULL, return;);
ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -500,12 +520,12 @@ void irlan_open_data_tsap(struct irlan_cb *self)
return;
irda_notify_init(&notify);
-
+
notify.data_indication = irlan_eth_receive;
notify.udata_indication = irlan_eth_receive;
notify.connect_indication = irlan_connect_indication;
notify.connect_confirm = irlan_connect_confirm;
- notify.flow_indication = irlan_eth_flow_indication;
+ /*notify.flow_indication = irlan_eth_flow_indication;*/
notify.disconnect_indication = irlan_disconnect_indication;
notify.instance = self;
strncpy(notify.name, "IrLAN data", NOTIFY_MAX_NAME);
@@ -538,7 +558,6 @@ void irlan_close_tsaps(struct irlan_cb *self)
irttp_disconnect_request(self->tsap_data, NULL, P_NORMAL);
irttp_close_tsap(self->tsap_data);
self->tsap_data = NULL;
-
}
if (self->client.tsap_ctrl) {
irttp_disconnect_request(self->client.tsap_ctrl, NULL,
@@ -591,15 +610,60 @@ void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel)
irias_add_string_attrib(obj, "Name", "Linux");
#endif
irias_add_string_attrib(obj, "DeviceID", "HWP19F0");
- irias_add_integer_attrib(obj, "CompCnt", 2);
- irias_add_string_attrib(obj, "Comp#01", "PNP8294");
- irias_add_string_attrib(obj, "Comp#02", "PNP8389");
+ irias_add_integer_attrib(obj, "CompCnt", 1);
+ if (self->provider.access_type == ACCESS_PEER)
+ irias_add_string_attrib(obj, "Comp#02", "PNP8389");
+ else
+ irias_add_string_attrib(obj, "Comp#01", "PNP8294");
+
irias_add_string_attrib(obj, "Manufacturer", "Linux-IrDA Project");
irias_insert_object(obj);
}
}
/*
+ * Function irlan_run_ctrl_tx_queue (self)
+ *
+ * Try to send the next command in the control transmit queue
+ *
+ */
+int irlan_run_ctrl_tx_queue(struct irlan_cb *self)
+{
+ struct sk_buff *skb;
+
+ if (irda_lock(&self->client.tx_busy) == FALSE)
+ return -EBUSY;
+
+ skb = skb_dequeue(&self->client.txq);
+ if (!skb) {
+ self->client.tx_busy = FALSE;
+ return 0;
+ }
+ if (self->client.tsap_ctrl == NULL) {
+ self->client.tx_busy = FALSE;
+ dev_kfree_skb(skb);
+ return -1;
+ }
+
+ return irttp_data_request(self->client.tsap_ctrl, skb);
+}
+
+/*
+ * Function irlan_ctrl_data_request (self, skb)
+ *
+ * This function makes sure that commands on the control channel is being
+ * sent in a command/response fashion
+ */
+void irlan_ctrl_data_request(struct irlan_cb *self, struct sk_buff *skb)
+{
+ /* Queue command */
+ skb_queue_tail(&self->client.txq, skb);
+
+ /* Try to send command */
+ irlan_run_ctrl_tx_queue(self);
+}
+
+/*
* Function irlan_get_provider_info (self)
*
* Send Get Provider Information command to peer IrLAN layer
@@ -620,7 +684,7 @@ void irlan_get_provider_info(struct irlan_cb *self)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -628,7 +692,8 @@ void irlan_get_provider_info(struct irlan_cb *self)
frame[0] = CMD_GET_PROVIDER_INFO;
frame[1] = 0x00; /* Zero parameters */
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -651,7 +716,7 @@ void irlan_open_data_channel(struct irlan_cb *self)
if (!skb)
return;
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -666,7 +731,8 @@ void irlan_open_data_channel(struct irlan_cb *self)
/* self->use_udata = TRUE; */
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
void irlan_close_data_channel(struct irlan_cb *self)
@@ -679,11 +745,15 @@ void irlan_close_data_channel(struct irlan_cb *self)
ASSERT(self != NULL, return;);
ASSERT(self->magic == IRLAN_MAGIC, return;);
+ /* Check if the TSAP is still there */
+ if (self->client.tsap_ctrl == NULL)
+ return;
+
skb = dev_alloc_skb(64);
if (!skb)
return;
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -694,7 +764,8 @@ void irlan_close_data_channel(struct irlan_cb *self)
irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data);
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -719,7 +790,7 @@ void irlan_open_unicast_addr(struct irlan_cb *self)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -730,7 +801,8 @@ void irlan_open_unicast_addr(struct irlan_cb *self)
irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED");
irlan_insert_string_param(skb, "FILTER_MODE", "FILTER");
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -757,7 +829,7 @@ void irlan_set_broadcast_filter(struct irlan_cb *self, int status)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -770,8 +842,9 @@ void irlan_set_broadcast_filter(struct irlan_cb *self, int status)
irlan_insert_string_param(skb, "FILTER_MODE", "FILTER");
else
irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
-
- irttp_data_request(self->client.tsap_ctrl, skb);
+
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -796,7 +869,7 @@ void irlan_set_multicast_filter(struct irlan_cb *self, int status)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -809,8 +882,9 @@ void irlan_set_multicast_filter(struct irlan_cb *self, int status)
irlan_insert_string_param(skb, "FILTER_MODE", "ALL");
else
irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
-
- irttp_data_request(self->client.tsap_ctrl, skb);
+
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -836,7 +910,7 @@ void irlan_get_unicast_addr(struct irlan_cb *self)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -847,7 +921,8 @@ void irlan_get_unicast_addr(struct irlan_cb *self)
irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED");
irlan_insert_string_param(skb, "FILTER_OPERATION", "DYNAMIC");
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -871,7 +946,7 @@ void irlan_get_media_char(struct irlan_cb *self)
return;
/* Reserve space for TTP, LMP, and LAP header */
- skb_reserve(skb, TTP_HEADER+LMP_HEADER+LAP_HEADER);
+ skb_reserve(skb, self->client.max_header_size);
skb_put(skb, 2);
frame = skb->data;
@@ -882,7 +957,8 @@ void irlan_get_media_char(struct irlan_cb *self)
irlan_insert_string_param(skb, "MEDIA", "802.3");
- irttp_data_request(self->client.tsap_ctrl, skb);
+ /* irttp_data_request(self->client.tsap_ctrl, skb); */
+ irlan_ctrl_data_request(self, skb);
}
/*
@@ -1033,7 +1109,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len)
/* get parameter name */
memcpy(name, buf+n, name_len);
- name[ name_len] = '\0';
+ name[name_len] = '\0';
n+=name_len;
/*
@@ -1051,7 +1127,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len)
/* get parameter value */
memcpy(value, buf+n, val_len);
- value[ val_len] = '\0';
+ value[val_len] = '\0';
n+=val_len;
DEBUG(4, "Parameter: %s ", name);
@@ -1085,31 +1161,35 @@ static int irlan_proc_read(char *buf, char **start, off_t offset, int len,
while (self != NULL) {
ASSERT(self->magic == IRLAN_MAGIC, return len;);
- len += sprintf(buf+len, "ifname: %s,\n",
- self->ifname);
- len += sprintf(buf+len, "client state: %s, ",
- irlan_state[ self->client.state]);
- len += sprintf(buf+len, "provider state: %s,\n",
- irlan_state[ self->provider.state]);
- len += sprintf(buf+len, "saddr: %#08x, ",
- self->saddr);
- len += sprintf(buf+len, "daddr: %#08x\n",
- self->daddr);
- len += sprintf(buf+len, "version: %d.%d,\n",
- self->version[1], self->version[0]);
- len += sprintf(buf+len, "access type: %s\n",
- irlan_access[ self->access_type]);
- len += sprintf(buf+len, "media: %s\n",
- irlan_media[ self->media]);
-
- len += sprintf(buf+len, "local filter:\n");
- len += sprintf(buf+len, "remote filter: ");
- len += irlan_print_filter(self->client.filter_type, buf+len);
-
- len += sprintf(buf+len, "tx busy: %s\n", self->dev.tbusy ?
- "TRUE" : "FALSE");
-
- len += sprintf(buf+len, "\n");
+ /* Don't display the master server */
+ if (self->master == 0) {
+ len += sprintf(buf+len, "ifname: %s,\n",
+ self->ifname);
+ len += sprintf(buf+len, "client state: %s, ",
+ irlan_state[ self->client.state]);
+ len += sprintf(buf+len, "provider state: %s,\n",
+ irlan_state[ self->provider.state]);
+ len += sprintf(buf+len, "saddr: %#08x, ",
+ self->saddr);
+ len += sprintf(buf+len, "daddr: %#08x\n",
+ self->daddr);
+ len += sprintf(buf+len, "version: %d.%d,\n",
+ self->version[1], self->version[0]);
+ len += sprintf(buf+len, "access type: %s\n",
+ irlan_access[self->client.access_type]);
+ len += sprintf(buf+len, "media: %s\n",
+ irlan_media[self->media]);
+
+ len += sprintf(buf+len, "local filter:\n");
+ len += sprintf(buf+len, "remote filter: ");
+ len += irlan_print_filter(self->client.filter_type,
+ buf+len);
+
+ len += sprintf(buf+len, "tx busy: %s\n",
+ self->dev.tbusy ? "TRUE" : "FALSE");
+
+ len += sprintf(buf+len, "\n");
+ }
self = (struct irlan_cb *) hashbin_get_next(irlan);
}
@@ -1132,34 +1212,34 @@ void print_ret_code(__u8 code)
printk(KERN_INFO "Success\n");
break;
case 1:
- printk(KERN_WARNING "Insufficient resources\n");
+ WARNING("IrLAN: Insufficient resources\n");
break;
case 2:
- printk(KERN_WARNING "Invalid command format\n");
+ WARNING("IrLAN: Invalid command format\n");
break;
case 3:
- printk(KERN_WARNING "Command not supported\n");
+ WARNING("IrLAN: Command not supported\n");
break;
case 4:
- printk(KERN_WARNING "Parameter not supported\n");
+ WARNING("IrLAN: Parameter not supported\n");
break;
case 5:
- printk(KERN_WARNING "Value not supported\n");
+ WARNING("IrLAN: Value not supported\n");
break;
case 6:
- printk(KERN_WARNING "Not open\n");
+ WARNING("IrLAN: Not open\n");
break;
case 7:
- printk(KERN_WARNING "Authentication required\n");
+ WARNING("IrLAN: Authentication required\n");
break;
case 8:
- printk(KERN_WARNING "Invalid password\n");
+ WARNING("IrLAN: Invalid password\n");
break;
case 9:
- printk(KERN_WARNING "Protocol error\n");
+ WARNING("IrLAN: Protocol error\n");
break;
case 255:
- printk(KERN_WARNING "Asynchronous status\n");
+ WARNING("IrLAN: Asynchronous status\n");
break;
}
}