irlap.h File Reference

#include <linux/config.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/ppp_defs.h>
#include <linux/ppp-comp.h>
#include <linux/timer.h>
#include <net/irda/irlap_event.h>

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Define Documentation

#define BROADCAST 0xffffffff

Definition at line 56 of file irlap.h.

#define CBROADCAST 0xfe

Definition at line 57 of file irlap.h.
Referenced by irlap_driver_rcv(), irlap_recv_test_frame(), irlap_send_discovery_xid_frame(), irlap_send_dm_frame(), irlap_send_snrm_frame(), irlap_send_test_frame(), and irlap_state_ndm().

#define CONFIG_IRDA_DYNAMIC_WINDOW 1

Definition at line 39 of file irlap.h.

#define IRLAP_GET_HEADER_SIZE ( self ) 2

Definition at line 243 of file irlap.h.
Referenced by irlmp_connect_confirm(), and irlmp_connect_indication().

#define IRLAP_GET_TX_QUEUE_LEN ( self ) skb_queue_len(&self->txq)

Definition at line 244 of file irlap.h.
Referenced by irlmp_get_lap_tx_queue_len().

#define LAP_ADDR_HEADER 1

Definition at line 44 of file irlap.h.
Referenced by irlap_data_indication(), irlap_data_request(), irlap_send_test_frame(), and irlap_state_nrm_s().

#define LAP_COMP_HEADER 1

Definition at line 46 of file irlap.h.
Referenced by irlap_compress_frame(), and irlap_decompress_frame().

#define LAP_CTRL_HEADER 1

Definition at line 45 of file irlap.h.
Referenced by irlap_data_indication(), irlap_data_request(), irlap_send_test_frame(), and irlap_state_nrm_s().

#define LAP_MAX_HEADER (LAP_ADDR_HEADER + LAP_CTRL_HEADER)

Definition at line 53 of file irlap.h.
Referenced by irlap_compress_frame().

#define LAP_MAX_QUEUE 10

Definition at line 61 of file irlap.h.
Referenced by irttp_run_tx_queue().

#define LAP_RELIABLE 1

Definition at line 41 of file irlap.h.

#define LAP_UNRELIABLE 0

Definition at line 42 of file irlap.h.

#define LAP_WINDOW_SIZE 8

Definition at line 60 of file irlap.h.

#define NR_EXPECTED 1

Definition at line 63 of file irlap.h.
Referenced by irlap_state_nrm_p(), irlap_state_nrm_s(), and irlap_validate_nr_received().

#define NR_INVALID -1

Definition at line 65 of file irlap.h.
Referenced by irlap_state_nrm_p(), irlap_state_nrm_s(), and irlap_validate_nr_received().

#define NR_UNEXPECTED 0

Definition at line 64 of file irlap.h.
Referenced by irlap_state_nrm_p(), irlap_state_nrm_s(), and irlap_validate_nr_received().

#define NS_EXPECTED 1

Definition at line 67 of file irlap.h.
Referenced by irlap_state_nrm_p(), irlap_state_nrm_s(), and irlap_validate_ns_received().

#define NS_INVALID -1

Definition at line 69 of file irlap.h.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().

#define NS_UNEXPECTED 0

Definition at line 68 of file irlap.h.
Referenced by irlap_state_nrm_p(), irlap_state_nrm_s(), and irlap_validate_ns_received().

#define XID_FORMAT 0x01

Definition at line 58 of file irlap.h.
Referenced by irlap_send_discovery_xid_frame().

Function Documentation

void irlap_apply_connection_parameters ( struct irlap_cb * self )

Definition at line 1046 of file irlap.c.
References ASSERT, qos_info::baud_rate, FALSE, HZ, IRDA_DEBUG, irda_set_compression(), irlap_change_speed(), irlap_compressor_init(), irlap_max_line_capacity(), LAP_MAGIC, qos_info::link_disc_time, irlap_cb::magic, qos_info::max_turn_time, irlap_cb::N1, irlap_cb::N2, NULL, irlap_cb::qos_tx, and qos_value_t::value.
Referenced by irlap_state_conn(), and irlap_state_setup().
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void irlap_apply_default_connection_parameters ( struct irlap_cb * self )

Definition at line 988 of file irlap.c.
References ASSERT, irlap_cb::caddr, FALSE, FINAL_TIMEOUT, get_random_bytes(), IRDA_DEBUG, irda_device_set_media_busy(), irlap_change_speed(), irlap_flush_all_queues(), LAP_MAGIC, irlap_cb::magic, irlap_cb::netdev, NULL, POLL_TIMEOUT, sysctl_slot_timeout, TRUE, WD_TIMEOUT, and x00.
Referenced by irlap_open(), irlap_state_nrm_p(), irlap_state_nrm_s(), irlap_state_pclose(), irlap_state_reset(), and irlap_state_sclose().
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void irlap_change_speed ( struct irlap_cb * self,

__u32 speed,

int now

)

Definition at line 864 of file irlap.c.
References ASSERT, IRDA_DEBUG, irda_device_change_speed(), LAP_MAGIC, irlap_cb::magic, irlap_cb::netdev, and NULL.
Referenced by irlap_apply_connection_parameters(), and irlap_apply_default_connection_parameters().
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void irlap_cleanup ( void )

Definition at line 93 of file irlap.c.
References __irlap_close(), ASSERT, hashbin_delete(), irlap_compressors, kfree(), and NULL.
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void irlap_close ( struct irlap_cb * self )

Definition at line 198 of file irlap.c.
References __irlap_close(), ASSERT, hashbin_remove(), IRDA_DEBUG, irlap_disconnect_indication(), irlmp_unregister_link(), LAP_DISC_INDICATION, LAP_MAGIC, irlap_cb::magic, NULL, and irlap_cb::saddr.
Referenced by irport_net_close(), irtty_net_close(), nsc_ircc_net_close(), toshoboe_net_close(), and w83977af_net_close().
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void irlap_connect_confirm ( struct irlap_cb * ,

struct sk_buff * skb

)

Definition at line 288 of file irlap.c.
References ASSERT, notify_t::instance, IRDA_DEBUG, irlmp_link_connect_confirm(), LAP_MAGIC, irlap_cb::magic, irlap_cb::notify, NULL, and irlap_cb::qos_tx.
Referenced by irlap_state_setup().
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void irlap_connect_indication ( struct irlap_cb * self,

struct sk_buff * skb

)

Definition at line 227 of file irlap.c.
References ASSERT, irlap_cb::daddr, notify_t::instance, IRDA_DEBUG, irlap_init_qos_capabilities(), irlmp_link_connect_indication(), LAP_MAGIC, irlap_cb::magic, irlap_cb::notify, NULL, irlap_cb::qos_tx, and irlap_cb::saddr.
Referenced by irlap_state_ndm().
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void irlap_connect_request ( struct irlap_cb * self,

__u32 daddr,

struct qos_info * qos,

int sniff

)

Definition at line 260 of file irlap.c.
References ASSERT, CONNECT_REQUEST, IRDA_DEBUG, irlap_do_event(), irlap_init_qos_capabilities(), LAP_MAGIC, LAP_NDM, irlap_cb::magic, irlap_cb::media_busy, NULL, irlap_cb::state, and TRUE.
Referenced by irlmp_state_standby().
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void irlap_connect_response ( struct irlap_cb * self,

struct sk_buff * skb

)

Definition at line 246 of file irlap.c.
References CONNECT_RESPONSE, IRDA_DEBUG, irlap_do_event(), and NULL.
Referenced by irlmp_state_standby(), and irlmp_state_u_connect().
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void irlap_data_indication ( struct irlap_cb * ,

struct sk_buff * ,

int unreliable

)

Definition at line 305 of file irlap.c.
References notify_t::instance, IRDA_DEBUG, irlap_decompress_frame(), irlmp_link_data_indication(), LAP_ADDR_HEADER, LAP_CTRL_HEADER, irlap_cb::notify, and irlap_cb::qos_tx.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().
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void irlap_data_request ( struct irlap_cb * ,

struct sk_buff * ,

int unreliable

)

Definition at line 330 of file irlap.c.
References ASSERT, sk_buff::data, I_FRAME, IRDA_DEBUG, irlap_compress_frame(), irlap_do_event(), LAP_ADDR_HEADER, LAP_CTRL_HEADER, LAP_MAGIC, LAP_XMIT_P, LAP_XMIT_S, irlap_cb::magic, NULL, irlap_cb::qos_tx, SEND_I_CMD, irlap_cb::state, irlap_cb::txq, and UI_FRAME.
Referenced by irlmp_send_data_pdu(), and irlmp_send_lcf_pdu().
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void irlap_disconnect_indication ( struct irlap_cb * ,

LAP_REASON reason

)

Definition at line 470 of file irlap.c.
References ASSERT, ERROR, notify_t::instance, IRDA_DEBUG, irda_free_compression(), irlap_do_event(), irlap_flush_all_queues(), irlmp_link_disconnect_indication(), LAP_DISC_INDICATION, LAP_FOUND_NONE, LAP_MAGIC, LAP_MEDIA_BUSY, LAP_NO_RESPONSE, lap_reasons, LAP_RESET_INDICATION, irlap_cb::magic, irlap_cb::notify, NULL, and RESET_REQUEST.
Referenced by irlap_close(), irlap_state_ndm(), irlap_state_nrm_p(), irlap_state_nrm_s(), irlap_state_pclose(), irlap_state_reset(), irlap_state_sclose(), and irlap_state_setup().
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void irlap_disconnect_request ( struct irlap_cb * )

Definition at line 434 of file irlap.c.
References ASSERT, DISCONNECT_REQUEST, IRDA_DEBUG, irlap_do_event(), LAP_CONN, LAP_MAGIC, LAP_RESET_CHECK, LAP_RESET_WAIT, LAP_XMIT_P, LAP_XMIT_S, irlap_cb::magic, NULL, irlap_cb::state, TRUE, and irlap_cb::txq.
Referenced by irlmp_state_active().
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void irlap_discovery_confirm ( struct irlap_cb * ,

hashbin_t * discovery_log

)

Definition at line 569 of file irlap.c.
References ASSERT, FALSE, HASHBIN_GET_SIZE, notify_t::instance, irda_device_set_media_busy(), irlmp_link_discovery_confirm(), LAP_MAGIC, irlap_cb::magic, irlap_cb::netdev, irlap_cb::notify, and NULL.
Referenced by irlap_discovery_request(), irlap_state_ndm(), and irlap_state_query().
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void irlap_discovery_indication ( struct irlap_cb * ,

discovery_t * discovery

)

Definition at line 594 of file irlap.c.
References ASSERT, notify_t::instance, IRDA_DEBUG, irlmp_link_discovery_indication(), LAP_MAGIC, irlap_cb::magic, irlap_cb::notify, and NULL.
Referenced by irlap_state_reply().
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void irlap_discovery_request ( struct irlap_cb * ,

discovery_t * discovery

)

Definition at line 506 of file irlap.c.
References ASSERT, irlap_info::discovery, irlap_cb::discovery_log, DISCOVERY_REQUEST, ERROR, hashbin_delete(), hashbin_new(), HB_LOCAL, HZ, IRDA_DEBUG, irlap_discovery_confirm(), irlap_do_event(), kfree(), LAP_MAGIC, LAP_NDM, irlap_cb::magic, discovery_t::nslots, NULL, irlap_info::S, irlap_info::s, irlap_cb::state, and sysctl_slot_timeout.
Referenced by irlmp_state_standby().
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void irlap_flush_all_queues ( struct irlap_cb * )

Definition at line 832 of file irlap.c.
References ASSERT, dev_kfree_skb, LAP_MAGIC, irlap_cb::magic, NULL, irlap_cb::txq, irlap_cb::txq_ultra, and irlap_cb::wx_list.
Referenced by __irlap_close(), irlap_apply_default_connection_parameters(), irlap_disconnect_indication(), irlap_state_nrm_p(), irlap_state_nrm_s(), irlap_state_reset_check(), irlap_state_reset_wait(), irlap_state_xmit_p(), and irlap_state_xmit_s().

int irlap_generate_rand_time_slot ( int S,

int s

)

Definition at line 665 of file irlap.c.
References ASSERT, jiffies, and irlap_info::slot.
Referenced by irlap_state_ndm().

int irlap_init ( void )

Definition at line 72 of file irlap.c.
References ENOMEM, ERROR, hashbin_new(), HB_LOCAL, irlap_compressors, NULL, and WARNING.
Referenced by irda_init().
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void irlap_init_qos_capabilities ( struct irlap_cb * ,

struct qos_info *

)

Definition at line 930 of file irlap.c.
References ASSERT, qos_info::baud_rate, qos_value_t::bits, qos_info::data_size, IRDA_DEBUG, irda_init_max_qos_capabilies(), irda_qos_bits_to_value(), irda_qos_compute_intersection(), LAP_MAGIC, qos_info::link_disc_time, irlap_cb::magic, qos_info::max_turn_time, irlap_cb::netdev, NULL, irlap_cb::qos_dev, and irlap_cb::qos_rx.
Referenced by irlap_connect_indication(), and irlap_connect_request().
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void irlap_initiate_connection_state ( struct irlap_cb * )

Definition at line 776 of file irlap.c.
References ASSERT, FALSE, IRDA_DEBUG, LAP_MAGIC, and NULL.
Referenced by irlap_state_conn(), irlap_state_reset(), irlap_state_reset_check(), and irlap_state_setup().

struct irlap_cb* irlap_open ( struct device * dev,

struct qos_info * qos

)

Definition at line 110 of file irlap.c.
References get_random_bytes(), hashbin_insert(), init_timer(), IRDA_DEBUG, irlap_apply_default_connection_parameters(), irlap_next_state(), irlmp_register_link(), kmalloc(), LAP_MAGIC, LAP_NDM, LAP_OFFLINE, memcpy, memset, and NULL.
Referenced by irport_net_open(), irtty_net_open(), nsc_ircc_net_open(), toshoboe_net_open(), and w83977af_net_open().
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void irlap_reset_confirm ( void )

Definition at line 653 of file irlap.c.
References IRDA_DEBUG.
Referenced by irlap_state_reset().

void irlap_reset_indication ( struct irlap_cb * self )

Definition at line 634 of file irlap.c.
References ASSERT, IRDA_DEBUG, irlap_do_event(), LAP_MAGIC, LAP_RESET_WAIT, irlap_cb::magic, NULL, RESET_REQUEST, RESET_RESPONSE, and irlap_cb::state.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().
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void irlap_set_local_busy ( struct irlap_cb * self,

int status

)

Definition at line 1114 of file irlap.c.
References IRDA_DEBUG.

void irlap_status_indication ( int quality_of_link )

Definition at line 613 of file irlap.c.
References irlmp_status_indication(), LOCK_NO_CHANGE, MESSAGE, STATUS_NO_ACTIVITY, and STATUS_NOISY.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().
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void irlap_test_request ( __u8 * info,

int len

)

void irlap_update_nr_received ( struct irlap_cb * ,

int nr

)

Definition at line 685 of file irlap.c.
References count, dev_kfree_skb, NULL, irlap_cb::va, irlap_cb::vs, and irlap_cb::wx_list.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().

int irlap_validate_nr_received ( struct irlap_cb * ,

int nr

)

Definition at line 746 of file irlap.c.
References IRDA_DEBUG, NR_EXPECTED, NR_INVALID, NR_UNEXPECTED, irlap_cb::va, and irlap_cb::vs.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().

int irlap_validate_ns_received ( struct irlap_cb * ,

int ns

)

Definition at line 727 of file irlap.c.
References NS_EXPECTED, NS_UNEXPECTED, and irlap_cb::vr.
Referenced by irlap_state_nrm_p(), and irlap_state_nrm_s().

void irlap_wait_min_turn_around ( struct irlap_cb * ,

struct qos_info *

)

Definition at line 803 of file irlap.c.
References qos_info::baud_rate, irlap_min_turn_time_in_bytes(), qos_info::min_turn_time, speed, and qos_value_t::value.
Referenced by irlap_resend_rejected_frame(), irlap_resend_rejected_frames(), irlap_send_test_frame(), irlap_state_nrm_p(), irlap_state_nrm_s(), irlap_state_pclose(), irlap_state_reset(), irlap_state_reset_check(), irlap_state_reset_wait(), irlap_state_sclose(), and irlap_state_xmit_p().
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Variable Documentation

hashbin_t* irlap

Definition at line 51 of file irlap.c.


Defines
#define	CONFIG_IRDA_DYNAMIC_WINDOW 1
#define	LAP_RELIABLE 1
#define	LAP_UNRELIABLE 0
#define	LAP_ADDR_HEADER 1
#define	LAP_CTRL_HEADER 1
#define	LAP_COMP_HEADER 1
#define	LAP_MAX_HEADER (LAP_ADDR_HEADER + LAP_CTRL_HEADER)
#define	BROADCAST 0xffffffff
#define	CBROADCAST 0xfe
#define	XID_FORMAT 0x01
#define	LAP_WINDOW_SIZE 8
#define	LAP_MAX_QUEUE 10
#define	NR_EXPECTED 1
#define	NR_UNEXPECTED 0
#define	NR_INVALID -1
#define	NS_EXPECTED 1
#define	NS_UNEXPECTED 0
#define	NS_INVALID -1
#define	IRLAP_GET_HEADER_SIZE(self) 2
#define	IRLAP_GET_TX_QUEUE_LEN(self) skb_queue_len(&self->txq)
Functions
int	irlap_init (void)
void	irlap_cleanup (void)
irlap_cb *	irlap_open (struct device dev, struct qos_info qos)
void	irlap_close (struct irlap_cb *self)
void	irlap_connect_request (struct irlap_cb self, __u32 daddr, struct qos_info qos, int sniff)
void	irlap_connect_response (struct irlap_cb self, struct sk_buff skb)
void	irlap_connect_indication (struct irlap_cb self, struct sk_buff skb)
void	irlap_connect_confirm (struct irlap_cb , struct sk_buff skb)
void	irlap_data_indication (struct irlap_cb , struct sk_buff , int unreliable)
void	irlap_data_request (struct irlap_cb , struct sk_buff , int unreliable)
void	irlap_disconnect_request (struct irlap_cb *)
void	irlap_disconnect_indication (struct irlap_cb *, LAP_REASON reason)
void	irlap_status_indication (int quality_of_link)
void	irlap_test_request (__u8 *info, int len)
void	irlap_discovery_request (struct irlap_cb , discovery_t discovery)
void	irlap_discovery_confirm (struct irlap_cb , hashbin_t discovery_log)
void	irlap_discovery_indication (struct irlap_cb , discovery_t discovery)
void	irlap_reset_indication (struct irlap_cb *self)
void	irlap_reset_confirm (void)
void	irlap_update_nr_received (struct irlap_cb *, int nr)
int	irlap_validate_nr_received (struct irlap_cb *, int nr)
int	irlap_validate_ns_received (struct irlap_cb *, int ns)
int	irlap_generate_rand_time_slot (int S, int s)
void	irlap_initiate_connection_state (struct irlap_cb *)
void	irlap_flush_all_queues (struct irlap_cb *)
void	irlap_change_speed (struct irlap_cb *self, __u32 speed, int now)
void	irlap_wait_min_turn_around (struct irlap_cb , struct qos_info )
void	irlap_init_qos_capabilities (struct irlap_cb , struct qos_info )
void	irlap_apply_default_connection_parameters (struct irlap_cb *self)
void	irlap_apply_connection_parameters (struct irlap_cb *self)
void	irlap_set_local_busy (struct irlap_cb *self, int status)
Variables
hashbin_t *	irlap

irlap.h File Reference

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation