diff options
Diffstat (limited to 'net/irda/irlan/irlan_common.c')
| -rw-r--r-- | net/irda/irlan/irlan_common.c | 318 |
1 files changed, 159 insertions, 159 deletions
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c index 310776dd6109..9c3dc57ff746 100644 --- a/net/irda/irlan/irlan_common.c +++ b/net/irda/irlan/irlan_common.c @@ -1,5 +1,5 @@ /********************************************************************* - * + * * Filename: irlan_common.c * Version: 0.9 * Description: IrDA LAN Access Protocol Implementation @@ -8,17 +8,17 @@ * Created at: Sun Aug 31 20:14:37 1997 * Modified at: Sun Dec 26 21:53:10 1999 * Modified by: Dag Brattli <dagb@cs.uit.no> - * - * Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>, + * + * 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 - * 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 + * provide warranty for any of this software. This material is * provided "AS-IS" and at no charge. * ********************************************************************/ @@ -49,12 +49,12 @@ #include <net/irda/irlan_common.h> #include <net/irda/irlan_client.h> -#include <net/irda/irlan_provider.h> +#include <net/irda/irlan_provider.h> #include <net/irda/irlan_eth.h> #include <net/irda/irlan_filter.h> -/* +/* * Send gratuitous ARP when connected to a new AP or not. May be a clever * thing to do, but for some reason the machine crashes if you use DHCP. So * lets not use it by default. @@ -106,8 +106,8 @@ extern struct proc_dir_entry *proc_irda; static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr); 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, +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_open_unicast_addr(struct irlan_cb *self); static void irlan_get_unicast_addr(struct irlan_cb *self); @@ -177,7 +177,7 @@ err_ckey: return -ENOMEM; } -static void __exit irlan_cleanup(void) +static void __exit irlan_cleanup(void) { struct irlan_cb *self, *next; @@ -201,7 +201,7 @@ static void __exit irlan_cleanup(void) /* * Function irlan_open (void) * - * Open new instance of a client/provider, we should only register the + * Open new instance of a client/provider, we should only register the * network device if this instance is ment for a particular client/provider */ static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr) @@ -229,9 +229,9 @@ static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr) /* Provider access can only be PEER, DIRECT, or HOSTED */ self->provider.access_type = access; if (access == ACCESS_DIRECT) { - /* + /* * Since we are emulating an IrLAN sever we will have to - * give ourself an ethernet address! + * give ourself an ethernet address! */ dev->dev_addr[0] = 0x40; dev->dev_addr[1] = 0x00; @@ -245,15 +245,15 @@ static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr) self->disconnect_reason = LM_USER_REQUEST; init_timer(&self->watchdog_timer); init_timer(&self->client.kick_timer); - init_waitqueue_head(&self->open_wait); - + init_waitqueue_head(&self->open_wait); + skb_queue_head_init(&self->client.txq); - + irlan_next_client_state(self, IRLAN_IDLE); irlan_next_provider_state(self, IRLAN_IDLE); if (register_netdev(dev)) { - IRDA_DEBUG(2, "%s(), register_netdev() failed!\n", + IRDA_DEBUG(2, "%s(), register_netdev() failed!\n", __FUNCTION__ ); self = NULL; free_netdev(dev); @@ -268,14 +268,14 @@ static struct irlan_cb *irlan_open(__u32 saddr, __u32 daddr) /* * Function __irlan_close (self) * - * This function closes and deallocates the IrLAN client instances. Be + * This function closes and deallocates the IrLAN client instances. Be * aware that other functions which calls client_close() must * remove self from irlans list first. */ static void __irlan_close(struct irlan_cb *self) { IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); - + ASSERT_RTNL(); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); @@ -285,8 +285,8 @@ static void __irlan_close(struct irlan_cb *self) /* Close all open connections and remove TSAPs */ irlan_close_tsaps(self); - - if (self->client.iriap) + + if (self->client.iriap) iriap_close(self->client.iriap); /* Remove frames queued on the control channel */ @@ -316,17 +316,17 @@ struct irlan_cb *irlan_get_any(void) static void irlan_connect_indication(void *instance, void *sap, struct qos_info *qos, __u32 max_sdu_size, - __u8 max_header_size, + __u8 max_header_size, struct sk_buff *skb) { struct irlan_cb *self; struct tsap_cb *tsap; IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); - + self = (struct irlan_cb *) instance; tsap = (struct tsap_cb *) sap; - + IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); IRDA_ASSERT(tsap == self->tsap_data,return;); @@ -349,9 +349,9 @@ static void irlan_connect_indication(void *instance, void *sap, irlan_do_client_event(self, IRLAN_DATA_CONNECT_INDICATION, NULL); if (self->provider.access_type == ACCESS_PEER) { - /* + /* * Data channel is open, so we are now allowed to - * configure the remote filter + * configure the remote filter */ irlan_get_unicast_addr(self); irlan_open_unicast_addr(self); @@ -361,10 +361,10 @@ static void irlan_connect_indication(void *instance, void *sap, } static void irlan_connect_confirm(void *instance, void *sap, - struct qos_info *qos, + struct qos_info *qos, __u32 max_sdu_size, - __u8 max_header_size, - struct sk_buff *skb) + __u8 max_header_size, + struct sk_buff *skb) { struct irlan_cb *self; @@ -381,16 +381,16 @@ static void irlan_connect_confirm(void *instance, void *sap, IRDA_DEBUG(0, "%s: We are now connected!\n", __FUNCTION__); del_timer(&self->watchdog_timer); - /* + /* * Data channel is open, so we are now allowed to configure the remote - * filter + * filter */ 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); + irlan_set_broadcast_filter(self, TRUE); + irlan_set_multicast_filter(self, TRUE); /* Ready to transfer Ethernet frames */ netif_start_queue(self->dev); @@ -408,29 +408,29 @@ static void irlan_connect_confirm(void *instance, void *sap, * the specified connection (handle) */ static void irlan_disconnect_indication(void *instance, - void *sap, LM_REASON reason, - struct sk_buff *userdata) + void *sap, LM_REASON reason, + struct sk_buff *userdata) { struct irlan_cb *self; struct tsap_cb *tsap; IRDA_DEBUG(0, "%s(), reason=%d\n", __FUNCTION__ , reason); - + self = (struct irlan_cb *) instance; tsap = (struct tsap_cb *) 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->tsap_data, return;); IRDA_DEBUG(2, "IrLAN, data channel disconnected by peer!\n"); /* Save reason so we know if we should try to reconnect or not */ self->disconnect_reason = reason; - + switch (reason) { case LM_USER_REQUEST: /* User request */ IRDA_DEBUG(2, "%s(), User requested\n", __FUNCTION__ ); @@ -451,7 +451,7 @@ static void irlan_disconnect_indication(void *instance, IRDA_ERROR("%s(), Unknown disconnect reason\n", __FUNCTION__); break; } - + /* If you want to pass the skb to *both* state machines, you will * need to skb_clone() it, so that you don't free it twice. * As the state machines don't need it, git rid of it here... @@ -461,7 +461,7 @@ static void irlan_disconnect_indication(void *instance, irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL); irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL); - + wake_up_interruptible(&self->open_wait); } @@ -480,12 +480,12 @@ void irlan_open_data_tsap(struct irlan_cb *self) return; irda_notify_init(¬ify); - + 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; strlcpy(notify.name, "IrLAN data", sizeof(notify.name)); @@ -497,7 +497,7 @@ void irlan_open_data_tsap(struct irlan_cb *self) } self->tsap_data = tsap; - /* + /* * This is the data TSAP selector which we will pass to the client * when the client ask for it. */ @@ -518,13 +518,13 @@ void irlan_close_tsaps(struct irlan_cb *self) self->tsap_data = NULL; } if (self->client.tsap_ctrl) { - irttp_disconnect_request(self->client.tsap_ctrl, NULL, + irttp_disconnect_request(self->client.tsap_ctrl, NULL, P_NORMAL); irttp_close_tsap(self->client.tsap_ctrl); self->client.tsap_ctrl = NULL; } if (self->provider.tsap_ctrl) { - irttp_disconnect_request(self->provider.tsap_ctrl, NULL, + irttp_disconnect_request(self->provider.tsap_ctrl, NULL, P_NORMAL); irttp_close_tsap(self->provider.tsap_ctrl); self->provider.tsap_ctrl = NULL; @@ -545,8 +545,8 @@ void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel) IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - - /* + + /* * Check if object has already been registered by a previous provider. * If that is the case, we just change the value of the attribute */ @@ -560,9 +560,9 @@ void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel) irias_object_change_attribute("IrLAN", "IrDA:TinyTP:LsapSel", new_value); } - - /* Register PnP object only if not registered before */ - if (!irias_find_object("PnP")) { + + /* Register PnP object only if not registered before */ + if (!irias_find_object("PnP")) { obj = irias_new_object("PnP", IAS_PNP_ID); #if 0 irias_add_string_attrib(obj, "Name", sysctl_devname, @@ -606,10 +606,10 @@ int irlan_run_ctrl_tx_queue(struct irlan_cb *self) self->client.tx_busy = FALSE; return 0; } - + /* Check that it's really possible to send commands */ - if ((self->client.tsap_ctrl == NULL) || - (self->client.state == IRLAN_IDLE)) + if ((self->client.tsap_ctrl == NULL) || + (self->client.state == IRLAN_IDLE)) { self->client.tx_busy = FALSE; dev_kfree_skb(skb); @@ -649,7 +649,7 @@ void irlan_get_provider_info(struct irlan_cb *self) __u8 *frame; IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); - + IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); @@ -661,12 +661,12 @@ void irlan_get_provider_info(struct irlan_cb *self) /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - - frame[0] = CMD_GET_PROVIDER_INFO; + + frame[0] = CMD_GET_PROVIDER_INFO; frame[1] = 0x00; /* Zero parameters */ - + irlan_ctrl_data_request(self, skb); } @@ -676,16 +676,16 @@ void irlan_get_provider_info(struct irlan_cb *self) * Send an Open Data Command to provider * */ -void irlan_open_data_channel(struct irlan_cb *self) +void irlan_open_data_channel(struct irlan_cb *self) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - + skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + IRLAN_STRING_PARAMETER_LEN("MEDIA", "802.3") + IRLAN_STRING_PARAMETER_LEN("ACCESS_TYPE", "DIRECT"), @@ -695,11 +695,11 @@ void irlan_open_data_channel(struct irlan_cb *self) skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - + /* Build frame */ - frame[0] = CMD_OPEN_DATA_CHANNEL; + frame[0] = CMD_OPEN_DATA_CHANNEL; frame[1] = 0x02; /* Two parameters */ irlan_insert_string_param(skb, "MEDIA", "802.3"); @@ -711,11 +711,11 @@ void irlan_open_data_channel(struct irlan_cb *self) irlan_ctrl_data_request(self, skb); } -void irlan_close_data_channel(struct irlan_cb *self) +void irlan_close_data_channel(struct irlan_cb *self) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); @@ -733,11 +733,11 @@ void irlan_close_data_channel(struct irlan_cb *self) skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - + /* Build frame */ - frame[0] = CMD_CLOSE_DATA_CHAN; + frame[0] = CMD_CLOSE_DATA_CHAN; frame[1] = 0x01; /* One parameter */ irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); @@ -748,7 +748,7 @@ void irlan_close_data_channel(struct irlan_cb *self) /* * Function irlan_open_unicast_addr (self) * - * Make IrLAN provider accept ethernet frames addressed to the unicast + * Make IrLAN provider accept ethernet frames addressed to the unicast * address. * */ @@ -756,12 +756,12 @@ static void irlan_open_unicast_addr(struct irlan_cb *self) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); - IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - + IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); + skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") + IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "DIRECTED") + @@ -773,15 +773,15 @@ static void irlan_open_unicast_addr(struct irlan_cb *self) /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->max_header_size); skb_put(skb, 2); - + frame = skb->data; - - frame[0] = CMD_FILTER_OPERATION; + + frame[0] = CMD_FILTER_OPERATION; frame[1] = 0x03; /* Three parameters */ - irlan_insert_byte_param(skb, "DATA_CHAN" , self->dtsap_sel_data); - irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED"); - irlan_insert_string_param(skb, "FILTER_MODE", "FILTER"); - + irlan_insert_byte_param(skb, "DATA_CHAN" , self->dtsap_sel_data); + irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED"); + irlan_insert_string_param(skb, "FILTER_MODE", "FILTER"); + irlan_ctrl_data_request(self, skb); } @@ -794,17 +794,17 @@ static void irlan_open_unicast_addr(struct irlan_cb *self) * one but then _we_ have to initiate all communication with other * hosts, since ARP request for this host will not be answered. */ -void irlan_set_broadcast_filter(struct irlan_cb *self, int status) +void irlan_set_broadcast_filter(struct irlan_cb *self, int status) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - - skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + + + skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") + IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "BROADCAST") + /* We may waste one byte here...*/ @@ -816,17 +816,17 @@ void irlan_set_broadcast_filter(struct irlan_cb *self, int status) /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - - frame[0] = CMD_FILTER_OPERATION; + + frame[0] = CMD_FILTER_OPERATION; frame[1] = 0x03; /* Three parameters */ - irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); - irlan_insert_string_param(skb, "FILTER_TYPE", "BROADCAST"); + irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); + irlan_insert_string_param(skb, "FILTER_TYPE", "BROADCAST"); if (status) - irlan_insert_string_param(skb, "FILTER_MODE", "FILTER"); + irlan_insert_string_param(skb, "FILTER_MODE", "FILTER"); else - irlan_insert_string_param(skb, "FILTER_MODE", "NONE"); + irlan_insert_string_param(skb, "FILTER_MODE", "NONE"); irlan_ctrl_data_request(self, skb); } @@ -835,14 +835,14 @@ void irlan_set_broadcast_filter(struct irlan_cb *self, int status) * Function irlan_set_multicast_filter (self, status) * * Make IrLAN provider accept ethernet frames addressed to the multicast - * address. + * address. * */ -void irlan_set_multicast_filter(struct irlan_cb *self, int status) +void irlan_set_multicast_filter(struct irlan_cb *self, int status) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); @@ -856,21 +856,21 @@ void irlan_set_multicast_filter(struct irlan_cb *self, int status) GFP_ATOMIC); if (!skb) return; - + /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - - frame[0] = CMD_FILTER_OPERATION; + + frame[0] = CMD_FILTER_OPERATION; frame[1] = 0x03; /* Three parameters */ - irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); - irlan_insert_string_param(skb, "FILTER_TYPE", "MULTICAST"); + irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); + irlan_insert_string_param(skb, "FILTER_TYPE", "MULTICAST"); if (status) - irlan_insert_string_param(skb, "FILTER_MODE", "ALL"); + irlan_insert_string_param(skb, "FILTER_MODE", "ALL"); else - irlan_insert_string_param(skb, "FILTER_MODE", "NONE"); + irlan_insert_string_param(skb, "FILTER_MODE", "NONE"); irlan_ctrl_data_request(self, skb); } @@ -887,12 +887,12 @@ static void irlan_get_unicast_addr(struct irlan_cb *self) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - + skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") + IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "DIRECTED") + @@ -905,34 +905,34 @@ static void irlan_get_unicast_addr(struct irlan_cb *self) /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - - frame[0] = CMD_FILTER_OPERATION; + + frame[0] = CMD_FILTER_OPERATION; frame[1] = 0x03; /* Three parameters */ - irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); - irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED"); - irlan_insert_string_param(skb, "FILTER_OPERATION", "DYNAMIC"); - + irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data); + irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED"); + irlan_insert_string_param(skb, "FILTER_OPERATION", "DYNAMIC"); + irlan_ctrl_data_request(self, skb); } /* * Function irlan_get_media_char (self) * - * + * * */ -void irlan_get_media_char(struct irlan_cb *self) +void irlan_get_media_char(struct irlan_cb *self) { struct sk_buff *skb; __u8 *frame; - + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); - + skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER + IRLAN_STRING_PARAMETER_LEN("MEDIA", "802.3"), GFP_ATOMIC); @@ -943,13 +943,13 @@ void irlan_get_media_char(struct irlan_cb *self) /* Reserve space for TTP, LMP, and LAP header */ skb_reserve(skb, self->client.max_header_size); skb_put(skb, 2); - + frame = skb->data; - + /* Build frame */ - frame[0] = CMD_GET_MEDIA_CHAR; + frame[0] = CMD_GET_MEDIA_CHAR; frame[1] = 0x01; /* One parameter */ - + irlan_insert_string_param(skb, "MEDIA", "802.3"); irlan_ctrl_data_request(self, skb); } @@ -980,7 +980,7 @@ int irlan_insert_string_param(struct sk_buff *skb, char *param, char *string) { int string_len = strlen(string); - return __irlan_insert_param(skb, param, IRLAN_ARRAY, 0, 0, string, + return __irlan_insert_param(skb, param, IRLAN_ARRAY, 0, 0, string, string_len); } @@ -993,7 +993,7 @@ int irlan_insert_string_param(struct sk_buff *skb, char *param, char *string) int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *array, __u16 array_len) { - return __irlan_insert_param(skb, name, IRLAN_ARRAY, 0, 0, array, + return __irlan_insert_param(skb, name, IRLAN_ARRAY, 0, 0, array, array_len); } @@ -1006,19 +1006,19 @@ int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *array, * | Name Length[1] | Param Name[1..255] | Val Length[2] | Value[0..1016]| * ----------------------------------------------------------------------- */ -static int __irlan_insert_param(struct sk_buff *skb, char *param, int type, - __u8 value_byte, __u16 value_short, +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) { __u8 *frame; __u8 param_len; __le16 tmp_le; /* Temporary value in little endian format */ int n=0; - + if (skb == NULL) { IRDA_DEBUG(2, "%s(), Got NULL skb\n", __FUNCTION__ ); return 0; - } + } param_len = strlen(param); switch (type) { @@ -1037,7 +1037,7 @@ static int __irlan_insert_param(struct sk_buff *skb, char *param, int type, return 0; break; } - + /* Insert at end of sk-buffer */ frame = skb->tail; @@ -1045,15 +1045,15 @@ static int __irlan_insert_param(struct sk_buff *skb, char *param, int type, if (skb_tailroom(skb) < (param_len+value_len+3)) { IRDA_DEBUG(2, "%s(), No more space at end of skb\n", __FUNCTION__ ); return 0; - } + } skb_put(skb, param_len+value_len+3); - + /* Insert parameter length */ frame[n++] = param_len; - + /* Insert parameter */ memcpy(frame+n, param, param_len); n += param_len; - + /* Insert value length (2 byte little endian format, LSB first) */ tmp_le = cpu_to_le16(value_len); memcpy(frame+n, &tmp_le, 2); n += 2; /* To avoid alignment problems */ @@ -1082,36 +1082,36 @@ static int __irlan_insert_param(struct sk_buff *skb, char *param, int type, * Function irlan_extract_param (buf, name, value, len) * * Extracts a single parameter name/value pair from buffer and updates - * the buffer pointer to point to the next name/value pair. + * the buffer pointer to point to the next name/value pair. */ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len) { __u8 name_len; __u16 val_len; int n=0; - + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); - + /* get length of parameter name (1 byte) */ name_len = buf[n++]; - + if (name_len > 254) { IRDA_DEBUG(2, "%s(), name_len > 254\n", __FUNCTION__ ); return -RSP_INVALID_COMMAND_FORMAT; } - + /* get parameter name */ memcpy(name, buf+n, name_len); name[name_len] = '\0'; n+=name_len; - - /* - * Get length of parameter value (2 bytes in little endian - * format) + + /* + * Get length of parameter value (2 bytes in little endian + * format) */ memcpy(&val_len, buf+n, 2); /* To avoid alignment problems */ le16_to_cpus(&val_len); n+=2; - + if (val_len > 1016) { IRDA_DEBUG(2, "%s(), parameter length to long\n", __FUNCTION__ ); return -RSP_INVALID_COMMAND_FORMAT; @@ -1122,9 +1122,9 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len) memcpy(value, buf+n, val_len); value[val_len] = '\0'; n+=val_len; - - IRDA_DEBUG(4, "Parameter: %s ", name); - IRDA_DEBUG(4, "Value: %s\n", value); + + IRDA_DEBUG(4, "Parameter: %s ", name); + IRDA_DEBUG(4, "Value: %s\n", value); return n; } @@ -1133,7 +1133,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len) /* * Start of reading /proc entries. - * Return entry at pos, + * Return entry at pos, * or start_token to indicate print header line * or NULL if end of file */ @@ -1147,7 +1147,7 @@ static void *irlan_seq_start(struct seq_file *seq, loff_t *pos) return SEQ_START_TOKEN; list_for_each_entry(self, &irlans, dev_list) { - if (*pos == i) + if (*pos == i) return self; ++i; } @@ -1160,12 +1160,12 @@ static void *irlan_seq_next(struct seq_file *seq, void *v, loff_t *pos) struct list_head *nxt; ++*pos; - if (v == SEQ_START_TOKEN) + if (v == SEQ_START_TOKEN) nxt = irlans.next; else nxt = ((struct irlan_cb *)v)->dev_list.next; - return (nxt == &irlans) ? NULL + return (nxt == &irlans) ? NULL : list_entry(nxt, struct irlan_cb, dev_list); } @@ -1185,7 +1185,7 @@ static int irlan_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "IrLAN instances:\n"); else { struct irlan_cb *self = v; - + IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;); @@ -1201,17 +1201,17 @@ static int irlan_seq_show(struct seq_file *seq, void *v) self->daddr); seq_printf(seq,"version: %d.%d,\n", self->version[1], self->version[0]); - seq_printf(seq,"access type: %s\n", + seq_printf(seq,"access type: %s\n", irlan_access[self->client.access_type]); - seq_printf(seq,"media: %s\n", + seq_printf(seq,"media: %s\n", irlan_media[self->media]); - + seq_printf(seq,"local filter:\n"); seq_printf(seq,"remote filter: "); irlan_print_filter(seq, self->client.filter_type); - seq_printf(seq,"tx busy: %s\n", + seq_printf(seq,"tx busy: %s\n", netif_queue_stopped(self->dev) ? "TRUE" : "FALSE"); - + seq_putc(seq,'\n'); } return 0; @@ -1231,7 +1231,7 @@ static int irlan_seq_open(struct inode *inode, struct file *file) #endif MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>"); -MODULE_DESCRIPTION("The Linux IrDA LAN protocol"); +MODULE_DESCRIPTION("The Linux IrDA LAN protocol"); MODULE_LICENSE("GPL"); module_param(eth, bool, 0); |
