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Diffstat (limited to 'net/irda/irlan/irlan_provider.c')
-rw-r--r--net/irda/irlan/irlan_provider.c161
1 files changed, 82 insertions, 79 deletions
diff --git a/net/irda/irlan/irlan_provider.c b/net/irda/irlan/irlan_provider.c
index 39c202d1c37..4664855222f 100644
--- a/net/irda/irlan/irlan_provider.c
+++ b/net/irda/irlan/irlan_provider.c
@@ -1,5 +1,5 @@
/*********************************************************************
- *
+ *
* Filename: irlan_provider.c
* Version: 0.9
* Description: IrDA LAN Access Protocol Implementation
@@ -11,17 +11,17 @@
* 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>,
+ *
+ * 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
+ *
+ * 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
+ * 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.
*
********************************************************************/
@@ -34,8 +34,8 @@
#include <linux/init.h>
#include <linux/random.h>
#include <linux/bitops.h>
+#include <linux/slab.h>
-#include <asm/system.h>
#include <asm/byteorder.h>
#include <net/irda/irda.h>
@@ -52,8 +52,8 @@
#include <net/irda/irlan_filter.h>
#include <net/irda/irlan_client.h>
-static void irlan_provider_connect_indication(void *instance, void *sap,
- struct qos_info *qos,
+static void irlan_provider_connect_indication(void *instance, void *sap,
+ struct qos_info *qos,
__u32 max_sdu_size,
__u8 max_header_size,
struct sk_buff *skb);
@@ -64,15 +64,15 @@ static void irlan_provider_connect_indication(void *instance, void *sap,
* This function gets the data that is received on the control channel
*
*/
-static int irlan_provider_data_indication(void *instance, void *sap,
- struct sk_buff *skb)
+static int irlan_provider_data_indication(void *instance, void *sap,
+ struct sk_buff *skb)
{
struct irlan_cb *self;
__u8 code;
-
- IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
-
- self = (struct irlan_cb *) instance;
+
+ IRDA_DEBUG(4, "%s()\n", __func__ );
+
+ self = instance;
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -83,31 +83,31 @@ static int irlan_provider_data_indication(void *instance, void *sap,
switch(code) {
case CMD_GET_PROVIDER_INFO:
IRDA_DEBUG(4, "Got GET_PROVIDER_INFO command!\n");
- irlan_do_provider_event(self, IRLAN_GET_INFO_CMD, skb);
+ irlan_do_provider_event(self, IRLAN_GET_INFO_CMD, skb);
break;
case CMD_GET_MEDIA_CHAR:
IRDA_DEBUG(4, "Got GET_MEDIA_CHAR command!\n");
- irlan_do_provider_event(self, IRLAN_GET_MEDIA_CMD, skb);
+ irlan_do_provider_event(self, IRLAN_GET_MEDIA_CMD, skb);
break;
case CMD_OPEN_DATA_CHANNEL:
IRDA_DEBUG(4, "Got OPEN_DATA_CHANNEL command!\n");
- irlan_do_provider_event(self, IRLAN_OPEN_DATA_CMD, skb);
+ irlan_do_provider_event(self, IRLAN_OPEN_DATA_CMD, skb);
break;
case CMD_FILTER_OPERATION:
IRDA_DEBUG(4, "Got FILTER_OPERATION command!\n");
irlan_do_provider_event(self, IRLAN_FILTER_CONFIG_CMD, skb);
break;
case CMD_RECONNECT_DATA_CHAN:
- IRDA_DEBUG(2, "%s(), Got RECONNECT_DATA_CHAN command\n", __FUNCTION__ );
- IRDA_DEBUG(2, "%s(), NOT IMPLEMENTED\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), Got RECONNECT_DATA_CHAN command\n", __func__ );
+ IRDA_DEBUG(2, "%s(), NOT IMPLEMENTED\n", __func__ );
break;
case CMD_CLOSE_DATA_CHAN:
IRDA_DEBUG(2, "Got CLOSE_DATA_CHAN command!\n");
- IRDA_DEBUG(2, "%s(), NOT IMPLEMENTED\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), NOT IMPLEMENTED\n", __func__ );
break;
default:
- IRDA_DEBUG(2, "%s(), Unknown command!\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), Unknown command!\n", __func__ );
break;
}
return 0;
@@ -119,41 +119,38 @@ static int irlan_provider_data_indication(void *instance, void *sap,
* Got connection from peer IrLAN client
*
*/
-static void irlan_provider_connect_indication(void *instance, void *sap,
+static void irlan_provider_connect_indication(void *instance, void *sap,
struct qos_info *qos,
- __u32 max_sdu_size,
+ __u32 max_sdu_size,
__u8 max_header_size,
struct sk_buff *skb)
{
struct irlan_cb *self;
struct tsap_cb *tsap;
- __u32 saddr, daddr;
- IRDA_DEBUG(0, "%s()\n", __FUNCTION__ );
-
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
-
+ IRDA_DEBUG(0, "%s()\n", __func__ );
+
+ self = instance;
+ tsap = sap;
+
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
+
IRDA_ASSERT(tsap == self->provider.tsap_ctrl,return;);
IRDA_ASSERT(self->provider.state == IRLAN_IDLE, return;);
- daddr = irttp_get_daddr(tsap);
- saddr = irttp_get_saddr(tsap);
self->provider.max_sdu_size = max_sdu_size;
self->provider.max_header_size = max_header_size;
irlan_do_provider_event(self, IRLAN_CONNECT_INDICATION, NULL);
- /*
+ /*
* 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.
+ * indication it needs to make progress. If the client is still in
+ * IDLE state, we must kick it.
*/
- if ((self->provider.access_type == ACCESS_PEER) &&
- (self->client.state == IRLAN_IDLE))
+ if ((self->provider.access_type == ACCESS_PEER) &&
+ (self->client.state == IRLAN_IDLE))
{
irlan_client_wakeup(self, self->saddr, self->daddr);
}
@@ -175,38 +172,38 @@ void irlan_provider_connect_response(struct irlan_cb *self,
irttp_connect_response(tsap, IRLAN_MTU, NULL);
}
-static void irlan_provider_disconnect_indication(void *instance, void *sap,
- LM_REASON reason,
- struct sk_buff *userdata)
+static void irlan_provider_disconnect_indication(void *instance, void *sap,
+ LM_REASON reason,
+ struct sk_buff *userdata)
{
struct irlan_cb *self;
struct tsap_cb *tsap;
- IRDA_DEBUG(4, "%s(), reason=%d\n", __FUNCTION__ , reason);
-
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ IRDA_DEBUG(4, "%s(), reason=%d\n", __func__ , reason);
+
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == IRLAN_MAGIC, 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->provider.tsap_ctrl, return;);
-
+
irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL);
}
/*
* Function irlan_parse_open_data_cmd (self, skb)
*
- *
+ *
*
*/
int irlan_parse_open_data_cmd(struct irlan_cb *self, struct sk_buff *skb)
{
int ret;
-
+
ret = irlan_provider_parse_command(self, CMD_OPEN_DATA_CHANNEL, skb);
/* Open data channel */
@@ -218,12 +215,12 @@ int irlan_parse_open_data_cmd(struct irlan_cb *self, struct sk_buff *skb)
/*
* Function parse_command (skb)
*
- * Extract all parameters from received buffer, then feed them to
+ * Extract all parameters from received buffer, then feed them to
* check_params for parsing
*
*/
int irlan_provider_parse_command(struct irlan_cb *self, int cmd,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
__u8 *frame;
__u8 *ptr;
@@ -231,16 +228,16 @@ int irlan_provider_parse_command(struct irlan_cb *self, int cmd,
__u16 val_len;
int i;
char *name;
- char *value;
+ char *value;
int ret = RSP_SUCCESS;
-
+
IRDA_ASSERT(skb != NULL, return -RSP_PROTOCOL_ERROR;);
-
- IRDA_DEBUG(4, "%s(), skb->len=%d\n", __FUNCTION__ , (int)skb->len);
+
+ IRDA_DEBUG(4, "%s(), skb->len=%d\n", __func__ , (int)skb->len);
IRDA_ASSERT(self != NULL, return -RSP_PROTOCOL_ERROR;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -RSP_PROTOCOL_ERROR;);
-
+
if (!skb)
return -RSP_PROTOCOL_ERROR;
@@ -259,14 +256,14 @@ int irlan_provider_parse_command(struct irlan_cb *self, int cmd,
count = frame[1];
IRDA_DEBUG(4, "Got %d parameters\n", count);
-
+
ptr = frame+2;
-
+
/* For all parameters */
- for (i=0; i<count;i++) {
+ for (i=0; i<count;i++) {
ret = irlan_extract_param(ptr, name, value, &val_len);
if (ret < 0) {
- IRDA_DEBUG(2, "%s(), IrLAN, Error!\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), IrLAN, Error!\n", __func__ );
break;
}
ptr+=ret;
@@ -286,24 +283,31 @@ int irlan_provider_parse_command(struct irlan_cb *self, int cmd,
* Send reply to query to peer IrLAN layer
*
*/
-void irlan_provider_send_reply(struct irlan_cb *self, int command,
+void irlan_provider_send_reply(struct irlan_cb *self, int command,
int ret_code)
{
struct sk_buff *skb;
- IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
+ IRDA_DEBUG(4, "%s()\n", __func__ );
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
- skb = dev_alloc_skb(128);
+ skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
+ /* Bigger param length comes from CMD_GET_MEDIA_CHAR */
+ IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "DIRECTED") +
+ IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "BROADCAST") +
+ IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "MULTICAST") +
+ IRLAN_STRING_PARAMETER_LEN("ACCESS_TYPE", "HOSTED"),
+ GFP_ATOMIC);
+
if (!skb)
return;
/* Reserve space for TTP, LMP, and LAP header */
skb_reserve(skb, self->provider.max_header_size);
skb_put(skb, 2);
-
+
switch (command) {
case CMD_GET_PROVIDER_INFO:
skb->data[0] = 0x00; /* Success */
@@ -316,7 +320,7 @@ void irlan_provider_send_reply(struct irlan_cb *self, int command,
irlan_insert_string_param(skb, "MEDIA", "802.5");
break;
default:
- IRDA_DEBUG(2, "%s(), unknown media type!\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), unknown media type!\n", __func__ );
break;
}
irlan_insert_short_param(skb, "IRLAN_VER", 0x0101);
@@ -340,7 +344,7 @@ void irlan_provider_send_reply(struct irlan_cb *self, int command,
irlan_insert_string_param(skb, "ACCESS_TYPE", "HOSTED");
break;
default:
- IRDA_DEBUG(2, "%s(), Unknown access type\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), Unknown access type\n", __func__ );
break;
}
irlan_insert_short_param(skb, "MAX_FRAME", 0x05ee);
@@ -349,19 +353,18 @@ void irlan_provider_send_reply(struct irlan_cb *self, int command,
skb->data[0] = 0x00; /* Success */
if (self->provider.send_arb_val) {
skb->data[1] = 0x03; /* 3 parameters */
- irlan_insert_short_param(skb, "CON_ARB",
+ irlan_insert_short_param(skb, "CON_ARB",
self->provider.send_arb_val);
} else
skb->data[1] = 0x02; /* 2 parameters */
irlan_insert_byte_param(skb, "DATA_CHAN", self->stsap_sel_data);
- irlan_insert_array_param(skb, "RECONNECT_KEY", "LINUX RULES!",
- 12);
+ irlan_insert_string_param(skb, "RECONNECT_KEY", "LINUX RULES!");
break;
case CMD_FILTER_OPERATION:
irlan_filter_request(self, skb);
break;
default:
- IRDA_DEBUG(2, "%s(), Unknown command!\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), Unknown command!\n", __func__ );
break;
}
@@ -372,14 +375,14 @@ void irlan_provider_send_reply(struct irlan_cb *self, int command,
* Function irlan_provider_register(void)
*
* Register provider support so we can accept incoming connections.
- *
+ *
*/
int irlan_provider_open_ctrl_tsap(struct irlan_cb *self)
{
struct tsap_cb *tsap;
notify_t notify;
-
- IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
+
+ IRDA_DEBUG(4, "%s()\n", __func__ );
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -387,7 +390,7 @@ int irlan_provider_open_ctrl_tsap(struct irlan_cb *self)
/* Check if already open */
if (self->provider.tsap_ctrl)
return -1;
-
+
/*
* First register well known control TSAP
*/
@@ -400,7 +403,7 @@ int irlan_provider_open_ctrl_tsap(struct irlan_cb *self)
tsap = irttp_open_tsap(LSAP_ANY, 1, &notify);
if (!tsap) {
- IRDA_DEBUG(2, "%s(), Got no tsap!\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s(), Got no tsap!\n", __func__ );
return -1;
}
self->provider.tsap_ctrl = tsap;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-21 10:43:20 +0000