l2cap.h (d84e866fb87b02372d5534d4932cd5fa66d5315b) l2cap.h (f0fb4cd727a7cb54eb1a1c2b1dc9efdf67d42fde)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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118typedef struct {
119 uint8_t tx_seq;
120 uint16_t pos;
121 uint16_t sdu_length;
122} l2cap_ertm_rx_packet_state_t;
123
124typedef struct {
125 uint8_t tx_seq;
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

--- 109 unchanged lines hidden (view full) ---

118typedef struct {
119 uint8_t tx_seq;
120 uint16_t pos;
121 uint16_t sdu_length;
122} l2cap_ertm_rx_packet_state_t;
123
124typedef struct {
125 uint8_t tx_seq;
126 uint16_t len;
126} l2cap_ertm_tx_packet_state_t;
127
128
129// info regarding an actual connection
130typedef struct {
131 // linked list - assert: first field
132 btstack_linked_item_t item;
133

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205 uint8_t remote_tx_window_size;
206
207 uint8_t local_max_transmit;
208 uint8_t remote_max_transmit;
209
210 // if ertm is not mandatory, allow fallback to L2CAP Basic Mode - flag
211 uint8_t ertm_mandatory;
212
127} l2cap_ertm_tx_packet_state_t;
128
129
130// info regarding an actual connection
131typedef struct {
132 // linked list - assert: first field
133 btstack_linked_item_t item;
134

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206 uint8_t remote_tx_window_size;
207
208 uint8_t local_max_transmit;
209 uint8_t remote_max_transmit;
210
211 // if ertm is not mandatory, allow fallback to L2CAP Basic Mode - flag
212 uint8_t ertm_mandatory;
213
213 // receiver: send RR frame - flag
214 uint8_t send_supervisor_frame_receiver_ready;
214 // sender: buffer index to store tx packet
215 uint8_t tx_write_index;
215
216
217 // sender: buffer index of packet to send next
218 uint8_t tx_read_index;
219
216 // sender: next seq nr used for sending
217 uint8_t next_tx_seq;
218
220 // sender: next seq nr used for sending
221 uint8_t next_tx_seq;
222
223 // receiver: send RR frame - flag
224 uint8_t send_supervisor_frame_receiver_ready;
225
219 // receiver: value of tx_seq in next expected i-frame
220 uint8_t expected_tx_seq;
221
222 // receiver: request transmiissoin with tx_seq = req_seq and ack up to and including req_seq
223 uint8_t req_seq;
224
225 // max um out-of-order packets // tx_window
226 uint8_t num_rx_buffers;

--- 294 unchanged lines hidden --- 		226 // receiver: value of tx_seq in next expected i-frame
227 uint8_t expected_tx_seq;
228
229 // receiver: request transmiissoin with tx_seq = req_seq and ack up to and including req_seq
230 uint8_t req_seq;
231
232 // max um out-of-order packets // tx_window
233 uint8_t num_rx_buffers;

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