cregit-Linux how code gets into the kernel

Release 4.8 net/irda/iriap.c

Directory: net/irda
/*********************************************************************
 *
 * 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); }

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PersonTokensPropCommitsCommitProp
adrian bunkadrian bunk29100.00%1100.00%
Total29100.00%1100.00%

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; }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git19084.44%743.75%
david s. millerdavid s. miller135.78%16.25%
jean tourrilhesjean tourrilhes125.33%318.75%
rusty russellrusty russell31.33%16.25%
martin daleckimartin dalecki31.33%16.25%
joe perchesjoe perches20.89%212.50%
harvey harrisonharvey harrison20.89%16.25%
Total225100.00%16100.00%

/* * 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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git3196.88%266.67%
rusty russellrusty russell13.12%133.33%
Total32100.00%3100.00%

/* * 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; }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git14084.85%660.00%
vegard nossumvegard nossum148.48%110.00%
jean tourrilhesjean tourrilhes84.85%220.00%
arnaldo carvalho de meloarnaldo carvalho de melo31.82%110.00%
Total165100.00%10100.00%

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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git5392.98%360.00%
jean tourrilhesjean tourrilhes47.02%240.00%
Total57100.00%5100.00%

/* * 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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git7795.06%360.00%
jean tourrilhesjean tourrilhes44.94%240.00%
Total81100.00%5100.00%

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; }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git12596.90%350.00%
martin daleckimartin dalecki21.55%116.67%
harvey harrisonharvey harrison10.78%116.67%
joe perchesjoe perches10.78%116.67%
Total129100.00%6100.00%

/* * 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); } }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git12479.49%646.15%
jean tourrilhesjean tourrilhes1912.18%323.08%
dan carpenterdan carpenter63.85%17.69%
joe perchesjoe perches31.92%17.69%
harvey harrisonharvey harrison31.92%17.69%
martin daleckimartin dalecki10.64%17.69%
Total156100.00%13100.00%

/* * 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); }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git5675.68%218.18%
jean tourrilhesjean tourrilhes912.16%327.27%
samuel ortizsamuel ortiz56.76%218.18%
harvey harrisonharvey harrison11.35%19.09%
martin daleckimartin dalecki11.35%19.09%
adrian bunkadrian bunk11.35%19.09%
joe perchesjoe perches11.35%19.09%
Total74100.00%11100.00%

/* * 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; }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git19278.05%758.33%
linus torvaldslinus torvalds3514.23%18.33%
jean tourrilhesjean tourrilhes156.10%216.67%
samuel ortizsamuel ortiz31.22%18.33%
martin daleckimartin dalecki10.41%18.33%
Total246100.00%12100.00%

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); } }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git31882.81%637.50%
jean tourrilhesjean tourrilhes143.65%212.50%
dan carpenterdan carpenter123.12%16.25%
martin daleckimartin dalecki112.86%16.25%
samuel ortizsamuel ortiz102.60%16.25%
harvey harrisonharvey harrison92.34%212.50%
joe perchesjoe perches71.82%16.25%
linus torvaldslinus torvalds20.52%16.25%
adrian bunkadrian bunk10.26%16.25%
Total384100.00%16100.00%

/* * 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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git40191.34%531.25%
jean tourrilhesjean tourrilhes255.69%318.75%
samuel ortizsamuel ortiz30.68%16.25%
joe perchesjoe perches20.46%16.25%
alexey dobriyanalexey dobriyan20.46%16.25%
harvey harrisonharvey harrison20.46%16.25%
al viroal viro10.23%16.25%
hideaki yoshifujihideaki yoshifuji10.23%16.25%
adrian bunkadrian bunk10.23%16.25%
martin daleckimartin dalecki10.23%16.25%
Total439100.00%16100.00%

/* * 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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git24287.68%333.33%
dan rosenbergdan rosenberg165.80%111.11%
linus torvaldslinus torvalds82.90%111.11%
joe perchesjoe perches41.45%111.11%
jean tourrilhesjean tourrilhes31.09%111.11%
stephen hemmingerstephen hemminger20.72%111.11%
adrian bunkadrian bunk10.36%111.11%
Total276100.00%9100.00%

/* * 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); }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git8184.38%555.56%
jean tourrilhesjean tourrilhes99.38%222.22%
samuel ortizsamuel ortiz66.25%222.22%
Total96100.00%9100.00%


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); } }

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PersonTokensPropCommitsCommitProp
pre-gitpre-git7492.50%120.00%
jean tourrilhesjean tourrilhes45.00%240.00%
harvey harrisonharvey harrison11.25%120.00%
joe perchesjoe perches11.25%120.00%
Total80100.00%5100.00%

/* * 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); }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git8387.37%466.67%
jean tourrilhesjean tourrilhes1212.63%233.33%
Total95100.00%6100.00%

/* * 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); }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git12676.83%440.00%
jean tourrilhesjean tourrilhes3118.90%330.00%
linus torvaldslinus torvalds31.83%110.00%
harvey harrisonharvey harrison21.22%110.00%
joe perchesjoe perches21.22%110.00%
Total164100.00%10100.00%

/* * 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