129 static void modem_cmux_log_frame(const struct modem_cmux_frame *frame,  in modem_cmux_log_frame()  argument
132 	LOG_DBG("%s ch:%u cr:%u pf:%u type:%s dlen:%u", action, frame->dlci_address,  in modem_cmux_log_frame()
133 		frame->cr, frame->pf, modem_cmux_frame_type_to_str(frame->type), frame->data_len);  in modem_cmux_log_frame()
134 	LOG_HEXDUMP_DBG(frame->data, hexdump_len, "data:");  in modem_cmux_log_frame()
137 static void modem_cmux_log_transmit_frame(const struct modem_cmux_frame *frame)  in modem_cmux_log_transmit_frame()  argument
139 	modem_cmux_log_frame(frame, "tx", frame->data_len);  in modem_cmux_log_transmit_frame()
142 static void modem_cmux_log_received_frame(const struct modem_cmux_frame *frame)  in modem_cmux_log_received_frame()  argument
144 	modem_cmux_log_frame(frame, "rcvd", frame->data_len);  in modem_cmux_log_received_frame()
267 					  const struct modem_cmux_frame *frame)  in modem_cmux_transmit_frame()  argument
276 	data_len = MIN(space, frame->data_len);  in modem_cmux_transmit_frame()
282 	buf[1] = 0x01 | (frame->cr << 1) | (frame->dlci_address << 2);  in modem_cmux_transmit_frame()
285 	buf[2] = frame->type | (frame->pf << 4);  in modem_cmux_transmit_frame()
301 	if (frame->type == MODEM_CMUX_FRAME_TYPE_UIH) {  in modem_cmux_transmit_frame()
304 		fcs = 0xFF - crc8_rohc(fcs, frame->data, data_len);  in modem_cmux_transmit_frame()
311 	ring_buf_put(&cmux->transmit_rb, frame->data, data_len);  in modem_cmux_transmit_frame()
322 					  const struct modem_cmux_frame *frame)  in modem_cmux_transmit_cmd_frame()  argument
335 	modem_cmux_log_transmit_frame(frame);  in modem_cmux_transmit_cmd_frame()
336 	if (modem_cmux_wrap_command(&command, frame->data, frame->data_len) == 0) {  in modem_cmux_transmit_cmd_frame()
340 	modem_cmux_transmit_frame(cmux, frame);  in modem_cmux_transmit_cmd_frame()
346 					      const struct modem_cmux_frame *frame)  in modem_cmux_transmit_data_frame()  argument
372 	modem_cmux_log_transmit_frame(frame);  in modem_cmux_transmit_data_frame()
373 	ret = modem_cmux_transmit_frame(cmux, frame);  in modem_cmux_transmit_data_frame()
381 	struct modem_cmux_frame frame;  in modem_cmux_acknowledge_received_frame()  local
384 	if (sizeof(data) < cmux->frame.data_len) {  in modem_cmux_acknowledge_received_frame()
389 	memcpy(&frame, &cmux->frame, sizeof(cmux->frame));  in modem_cmux_acknowledge_received_frame()
390 	memcpy(data, cmux->frame.data, cmux->frame.data_len);  in modem_cmux_acknowledge_received_frame()
391 	modem_cmux_wrap_command(&command, data, cmux->frame.data_len);  in modem_cmux_acknowledge_received_frame()
393 	frame.data = data;  in modem_cmux_acknowledge_received_frame()
394 	frame.data_len = cmux->frame.data_len;  in modem_cmux_acknowledge_received_frame()
396 	if (modem_cmux_transmit_cmd_frame(cmux, &frame) == false) {  in modem_cmux_acknowledge_received_frame()
477 	if (modem_cmux_wrap_command(&command, cmux->frame.data, cmux->frame.data_len) < 0) {  in modem_cmux_on_control_frame_uih()
513 	struct modem_cmux_frame frame = {  in modem_cmux_connect_response_transmit()  local
514 		.dlci_address = cmux->frame.dlci_address,  in modem_cmux_connect_response_transmit()
515 		.cr = cmux->frame.cr,  in modem_cmux_connect_response_transmit()
516 		.pf = cmux->frame.pf,  in modem_cmux_connect_response_transmit()
523 	modem_cmux_transmit_cmd_frame(cmux, &frame);  in modem_cmux_connect_response_transmit()
547 	modem_cmux_log_received_frame(&cmux->frame);  in modem_cmux_on_control_frame()
549 	switch (cmux->frame.type) {  in modem_cmux_on_control_frame()
576 		if (dlci->dlci_address == cmux->frame.dlci_address) {  in modem_cmux_find_dlci()
619 	written = ring_buf_put(&dlci->receive_rb, cmux->frame.data, cmux->frame.data_len);  in modem_cmux_on_dlci_frame_uih()
621 	if (written != cmux->frame.data_len) {  in modem_cmux_on_dlci_frame_uih()
623 			dlci->dlci_address, cmux->frame.data_len - written, cmux->frame.data_len);  in modem_cmux_on_dlci_frame_uih()
665 	modem_cmux_log_received_frame(&cmux->frame);  in modem_cmux_on_dlci_frame()
670 			cmux->frame.dlci_address);  in modem_cmux_on_dlci_frame()
674 	switch (cmux->frame.type) {  in modem_cmux_on_dlci_frame()
703 	if (cmux->frame.dlci_address == 0) {  in modem_cmux_on_frame()
720 	struct modem_cmux_frame *frame = &cmux->frame;  in modem_cmux_drop_frame()  local
722 	frame->data = cmux->receive_buf;  in modem_cmux_drop_frame()
723 	modem_cmux_log_frame(frame, "dropped", MIN(frame->data_len, cmux->receive_buf_size));  in modem_cmux_drop_frame()
761 		cmux->frame.cr = (byte & 0x02) ? true : false;  in modem_cmux_process_received_byte()
764 		cmux->frame.dlci_address = (byte >> 2) & 0x3F;  in modem_cmux_process_received_byte()
776 		cmux->frame.pf = (byte & MODEM_CMUX_PF) ? true : false;  in modem_cmux_process_received_byte()
779 		cmux->frame.type = byte & (~MODEM_CMUX_PF);  in modem_cmux_process_received_byte()
791 		cmux->frame.data_len = (byte >> 1);  in modem_cmux_process_received_byte()
801 		if (cmux->frame.data_len == 0) {  in modem_cmux_process_received_byte()
817 		cmux->frame.data_len |= ((uint16_t)byte) << 7;  in modem_cmux_process_received_byte()
819 		if (cmux->frame.data_len > cmux->receive_buf_size) {  in modem_cmux_process_received_byte()
821 				cmux->frame.data_len, cmux->receive_buf_size);  in modem_cmux_process_received_byte()
839 		if (cmux->frame.data_len == cmux->receive_buf_len) {  in modem_cmux_process_received_byte()
857 		if (cmux->frame.type == MODEM_CMUX_FRAME_TYPE_UIH) {  in modem_cmux_process_received_byte()
860 			fcs = 0xFF - crc8_rohc(fcs, cmux->frame.data, cmux->frame.data_len);  in modem_cmux_process_received_byte()
888 		cmux->frame.data = cmux->receive_buf;  in modem_cmux_process_received_byte()
998 	static const struct modem_cmux_frame frame = {  in modem_cmux_connect_handler()  local
1007 	modem_cmux_transmit_cmd_frame(cmux, &frame);  in modem_cmux_connect_handler()
1027 	struct modem_cmux_frame frame = {  in modem_cmux_disconnect_handler()  local
1037 	modem_cmux_transmit_cmd_frame(cmux, &frame);  in modem_cmux_disconnect_handler()
1106 		struct modem_cmux_frame frame = {  in modem_cmux_dlci_pipe_api_transmit()  local
1115 		ret = modem_cmux_transmit_data_frame(cmux, &frame);  in modem_cmux_dlci_pipe_api_transmit()
1181 	struct modem_cmux_frame frame = {  in modem_cmux_dlci_open_handler()  local
1190 	modem_cmux_transmit_cmd_frame(dlci->cmux, &frame);  in modem_cmux_dlci_open_handler()
1210 	struct modem_cmux_frame frame = {  in modem_cmux_dlci_close_handler()  local
1219 	modem_cmux_transmit_cmd_frame(cmux, &frame);  in modem_cmux_dlci_close_handler()