freetdm:Changes for shared IO

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c

@@ -51,6 +51,8 @@ static void ftdm_sangoma_isdn_poll_events(ftdm_span_t *span);
 static void ftdm_sangoma_isdn_process_phy_events(ftdm_span_t *span, ftdm_oob_event_t event);
 static void ftdm_sangoma_isdn_process_state_change(ftdm_channel_t *ftdmchan);
 static void ftdm_sangoma_isdn_process_stack_event (ftdm_span_t *span, sngisdn_event_data_t *sngisdn_event);
+static void ftdm_sangoma_isdn_wakeup_phy(ftdm_channel_t *dchan);
+static void ftdm_sangoma_isdn_dchan_set_queue_size(ftdm_channel_t *ftdmchan);
 
 static ftdm_io_interface_t	    	g_sngisdn_io_interface;
 static sng_isdn_event_interface_t	g_sngisdn_event_interface;
@@ -241,8 +243,9 @@ static __inline__ void ftdm_sangoma_isdn_advance_chan_states(ftdm_channel_t *ftd
 
 static void ftdm_sangoma_isdn_process_phy_events(ftdm_span_t *span, ftdm_oob_event_t event)
 {
-
-	sngisdn_snd_event(span, event);
+	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) span->signal_data;
+	sngisdn_snd_event(signal_data->dchan, event);
+	
 	switch (event) {
 		/* Check if the span woke up from power-saving mode */
 		case FTDM_OOB_ALARM_CLEAR:
@@ -251,8 +254,7 @@ static void ftdm_sangoma_isdn_process_phy_events(ftdm_span_t *span, ftdm_oob_eve
 				sngisdn_chan_data_t *sngisdn_info;
 				ftdm_iterator_t *chaniter = NULL;
 				ftdm_iterator_t *curr = NULL;
-				sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) span->signal_data;
-				
+								
 				chaniter = ftdm_span_get_chan_iterator(span, NULL);
 				for (curr = chaniter; curr; curr = ftdm_iterator_next(curr)) {
 					ftdmchan = (ftdm_channel_t*)ftdm_iterator_current(curr);
@@ -261,7 +263,7 @@ static void ftdm_sangoma_isdn_process_phy_events(ftdm_span_t *span, ftdm_oob_eve
 					if (ftdm_test_flag(sngisdn_info, FLAG_ACTIVATING)) {
 						ftdm_clear_flag(sngisdn_info, FLAG_ACTIVATING);
 
-						ftdm_sched_timer(signal_data->sched, "delayed_setup", 1, sngisdn_delayed_setup, (void*) ftdmchan->call_data, NULL);
+						ftdm_sched_timer(signal_data->sched, "delayed_setup", 1000, sngisdn_delayed_setup, (void*) ftdmchan->call_data, NULL);
 					}
 				}
 				ftdm_iterator_free(chaniter);
@@ -276,9 +278,7 @@ static void ftdm_sangoma_isdn_process_phy_events(ftdm_span_t *span, ftdm_oob_eve
 static void ftdm_sangoma_isdn_poll_events(ftdm_span_t *span)
 {
 	ftdm_status_t 	ret_status;
-	ftdm_iterator_t *chaniter = NULL;
-	ftdm_iterator_t *curr = NULL;
-	
+		
 	ret_status = ftdm_span_poll_event(span, 0, NULL);
 	switch(ret_status) {
 		case FTDM_SUCCESS:
@@ -297,6 +297,33 @@ static void ftdm_sangoma_isdn_poll_events(ftdm_span_t *span)
 	}
 }
 
+static void ftdm_sangoma_isdn_dchan_set_queue_size(ftdm_channel_t *dchan)
+{
+	ftdm_status_t 	ret_status;
+	uint32_t queue_size;
+	
+	queue_size = SNGISDN_DCHAN_QUEUE_LEN;
+	ret_status = ftdm_channel_command(dchan, FTDM_COMMAND_SET_RX_QUEUE_SIZE, &queue_size);
+	ftdm_assert(ret_status == FTDM_SUCCESS, "Failed to set Rx Queue size");
+
+	queue_size = SNGISDN_DCHAN_QUEUE_LEN;
+	ret_status = ftdm_channel_command(dchan, FTDM_COMMAND_SET_TX_QUEUE_SIZE, &queue_size);
+	ftdm_assert(ret_status == FTDM_SUCCESS, "Failed to set Tx Queue size");
+
+	RETVOID;
+}
+
+static void ftdm_sangoma_isdn_wakeup_phy(ftdm_channel_t *dchan)
+{
+	ftdm_status_t 	ret_status;
+	ftdm_channel_hw_link_status_t status = FTDM_HW_LINK_CONNECTED;
+	ret_status = ftdm_channel_command(dchan, FTDM_COMMAND_SET_LINK_STATUS, &status);
+	if (ret_status != FTDM_SUCCESS) {
+		ftdm_log_chan_msg(dchan, FTDM_LOG_WARNING, "Failed to wake-up link\n");
+	}
+	return;
+}
+
 static void *ftdm_sangoma_isdn_dchan_run(ftdm_thread_t *me, void *obj)
 {
 	uint8_t data[1000];
@@ -306,7 +333,9 @@ static void *ftdm_sangoma_isdn_dchan_run(ftdm_thread_t *me, void *obj)
 	ftdm_channel_t *dchan = ((sngisdn_span_data_t*)span->signal_data)->dchan;
 	ftdm_size_t len = 0;
 	
-	
+	ftdm_channel_set_feature(dchan, FTDM_CHANNEL_FEATURE_IO_STATS);
+	ftdm_sangoma_isdn_dchan_set_queue_size(dchan);
+
 	ftdm_assert(dchan, "Span does not have a dchannel");
 	ftdm_channel_open_chan(dchan);
 	
@@ -597,8 +626,8 @@ static void ftdm_sangoma_isdn_process_state_change(ftdm_channel_t *ftdmchan)
 				sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
 				
 				ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Requesting Line activation\n");
-				sngisdn_set_flag(sngisdn_info, FLAG_ACTIVATING);
-				sngisdn_wake_up_phy(ftdmchan->span);
+				sngisdn_set_flag(sngisdn_info, FLAG_ACTIVATING);				
+				ftdm_sangoma_isdn_wakeup_phy(ftdmchan);
 				ftdm_sched_timer(signal_data->sched, "timer_t3", signal_data->timer_t3*1000, sngisdn_t3_timeout, (void*) sngisdn_info, NULL);
 			} else {
 				sngisdn_snd_setup(ftdmchan);

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h

@@ -60,6 +60,7 @@
 #define SNGISDN_EVENT_QUEUE_SIZE	100
 #define SNGISDN_EVENT_POLL_RATE		100
 #define SNGISDN_NUM_LOCAL_NUMBERS	8
+#define SNGISDN_DCHAN_QUEUE_LEN		200
 
 /* TODO: rename all *_cc_* to *_an_*  */
 
@@ -294,7 +295,7 @@ void sngisdn_snd_con_complete(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_info_req(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_status_enq(ftdm_channel_t *ftdmchan);
 void sngisdn_snd_data(ftdm_channel_t *dchan, uint8_t *data, ftdm_size_t len);
-void sngisdn_snd_event(ftdm_channel_t *span, sng_isdn_l1_event_t l1_event);
+void sngisdn_snd_event(ftdm_channel_t *dchan, ftdm_oob_event_t event);
 
 /* Inbound Call Control functions */
 void sngisdn_rcv_con_ind(int16_t suId, uint32_t suInstId, uint32_t spInstId, ConEvnt *conEvnt, int16_t dChan, uint8_t ces);
@@ -314,7 +315,7 @@ void sngisdn_rcv_srv_ind(int16_t suId, Srv *srvEvnt, int16_t dChan, uint8_t ces)
 void sngisdn_rcv_srv_cfm(int16_t suId, Srv *srvEvnt, int16_t dChan, uint8_t ces);
 void sngisdn_rcv_rst_cfm(int16_t suId, Rst *rstEvnt, int16_t dChan, uint8_t ces, uint8_t evntType);
 void sngisdn_rcv_rst_ind(int16_t suId, Rst *rstEvnt, int16_t dChan, uint8_t ces, uint8_t evntType);
-int16_t sngisdn_rcv_l1_data_req(uint16_t spId, sng_isdn_l1_frame_t *l1_frame);
+int16_t sngisdn_rcv_l1_data_req(uint16_t spId, sng_l1_frame_t *l1_frame);
 int16_t sngisdn_rcv_l1_cmd_req(uint16_t spId, sng_l1_cmd_t *l1_cmd);
 
 

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c

@@ -598,7 +598,7 @@ void sngisdn_snd_release(ftdm_channel_t *ftdmchan, uint8_t glare)
 /* We received an incoming frame on the d-channel, send data to the stack */
 void sngisdn_snd_data(ftdm_channel_t *dchan, uint8_t *data, ftdm_size_t len)
 {
-	l1_frame_t l1_frame;	
+	sng_l1_frame_t l1_frame;
 	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) dchan->span->signal_data;
 
 	memset(&l1_frame, 0, sizeof(l1_frame));
@@ -606,32 +606,32 @@ void sngisdn_snd_data(ftdm_channel_t *dchan, uint8_t *data, ftdm_size_t len)
 
 	memcpy(&l1_frame.data, data, len);
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_ERROR_CRC)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_CRC)) {
 		l1_frame.flags |= SNG_L1FRAME_ERROR_CRC;
 	}
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_ERROR_FRAME)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_FRAME)) {
 		l1_frame.flags |= SNG_L1FRAME_ERROR_FRAME;
 	}
 	
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_ERROR_ABORT)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_ABORT)) {
 		l1_frame.flags |= SNG_L1FRAME_ERROR_ABORT;
 	}
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_ERROR_FIFO)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_FIFO)) {
 		l1_frame.flags |= SNG_L1FRAME_ERROR_FIFO;
 	}
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_ERROR_DMA)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_DMA)) {
 		l1_frame.flags |= SNG_L1FRAME_ERROR_DMA;
 	}
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_QUEUE_THRES)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_QUEUE_THRES)) {
 		/* Should we trigger congestion here? */		
 		l1_frame.flags |= SNG_L1FRAME_QUEUE_THRES;
 	}
 
-	if (ftdm_test_flag(&(dchan->iostats.s.rx), FTDM_IOSTATS_QUEUE_FULL)) {
+	if (ftdm_test_flag(&(dchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_QUEUE_FULL)) {
 		/* Should we trigger congestion here? */
 		l1_frame.flags |= SNG_L1FRAME_QUEUE_FULL;
 	}
@@ -640,14 +640,20 @@ void sngisdn_snd_data(ftdm_channel_t *dchan, uint8_t *data, ftdm_size_t len)
 }
 
 void sngisdn_snd_event(ftdm_channel_t *dchan, ftdm_oob_event_t event)
-{	
+{
+	sng_l1_event_t l1_event;
+	memset(&l1_event, 0, sizeof(l1_event));
+	
+	
 	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) dchan->span->signal_data;
 	switch(event) {
 		case FTDM_OOB_ALARM_CLEAR:
-			sng_isdn_event_ind(signal_data->link_id, SNG_L1EVENT_ALARM_OFF);
+			l1_event.type = SNG_L1EVENT_ALARM_OFF;
+			sng_isdn_event_ind(signal_data->link_id, &l1_event);
 			break;
 		case FTDM_OOB_ALARM_TRAP:
-			sng_isdn_event_ind(signal_data->link_id, SNG_L1EVENT_ALARM_ON);
+			l1_event.type = SNG_L1EVENT_ALARM_ON;
+			sng_isdn_event_ind(signal_data->link_id, &l1_event);
 			break;
 		default:
 			/* We do not care about the other OOB events for now */

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_rcv.c

@@ -866,13 +866,15 @@ end_of_trace:
 	return;
 }
 
-int16_t sngisdn_rcv_data_req(uint16_t spId, uint8_t *buff, uint32_t length)
+/* The stacks is wants to transmit a frame */
+int16_t sngisdn_rcv_l1_data_req(uint16_t spId, sng_l1_frame_t *l1_frame)
 {
 	ftdm_status_t status;
 	ftdm_wait_flag_t flags = FTDM_WRITE;
 	sngisdn_span_data_t	*signal_data = g_sngisdn_data.spans[spId];
 	ftdm_assert(signal_data, "Received Data request on unconfigured span\n");
-
+	ftdm_size_t length = l1_frame->len;
+	
 	do {
 		flags = FTDM_WRITE;
 		status = signal_data->dchan->fio->wait(signal_data->dchan, &flags, 1000);
@@ -883,7 +885,7 @@ int16_t sngisdn_rcv_data_req(uint16_t spId, uint8_t *buff, uint32_t length)
 		
 		
 		if ((flags & FTDM_WRITE)) {
-			status = signal_data->dchan->fio->write(signal_data->dchan, buff, (ftdm_size_t*)&length);
+			status = signal_data->dchan->fio->write(signal_data->dchan, l1_frame->data, (ftdm_size_t*)&length);
 			if (status != FTDM_SUCCESS) {
 				ftdm_log_chan_msg(signal_data->dchan, FTDM_LOG_CRIT, "Failed to transmit frame\n");
 				return -1;
@@ -900,6 +902,45 @@ int16_t sngisdn_rcv_data_req(uint16_t spId, uint8_t *buff, uint32_t length)
 	return 0;
 }
 
+int16_t sngisdn_rcv_l1_cmd_req(uint16_t spId, sng_l1_cmd_t *l1_cmd)
+{	
+	sngisdn_span_data_t	*signal_data = g_sngisdn_data.spans[spId];
+	ftdm_assert(signal_data, "Received Data request on unconfigured span\n");
+	
+	switch(l1_cmd->type) {
+		case SNG_L1CMD_SET_LINK_STATUS:
+			{
+				ftdm_channel_hw_link_status_t status = FTDM_HW_LINK_CONNECTED;
+				ftdm_channel_command(signal_data->dchan, FTDM_COMMAND_SET_LINK_STATUS, &status);
+			}
+			break;
+		case SNG_L1CMD_GET_LINK_STATUS:
+			{
+				ftdm_channel_hw_link_status_t status = 0;
+				ftdm_channel_command(signal_data->dchan, FTDM_COMMAND_GET_LINK_STATUS, &status);
+				if (status == FTDM_HW_LINK_CONNECTED) {
+					l1_cmd->cmd.status = 1;
+				} else if (status == FTDM_HW_LINK_DISCONNECTED) {
+					l1_cmd->cmd.status = 0;
+				} else {
+					ftdm_log_chan(signal_data->dchan, FTDM_LOG_CRIT, "Invalid link status reported %d\n", status);
+					l1_cmd->cmd.status = 0;
+				}
+			}
+			break;
+		case SNG_L1CMD_FLUSH_STATS:
+			ftdm_channel_command(signal_data->dchan, FTDM_COMMAND_FLUSH_IOSTATS, NULL);
+			break;
+		case SNG_L1CMD_FLUSH_BUFFERS:
+			ftdm_channel_command(signal_data->dchan, FTDM_COMMAND_FLUSH_BUFFERS, NULL);
+			break;
+		default:
+			ftdm_log_chan(signal_data->dchan, FTDM_LOG_CRIT, "Unsupported channel command:%d\n", l1_cmd->type);
+			return -1;
+	}
+	return 0;
+}
+
 void sngisdn_rcv_sng_assert(char *message)
 {
 	ftdm_assert(0, message);

libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c

@@ -746,6 +746,28 @@ static FIO_COMMAND_FUNCTION(wanpipe_command)
 			}
 		}
 		break;
+	case FTDM_COMMAND_FLUSH_BUFFERS:
+		{
+			err = sangoma_flush_bufs(ftdmchan->sockfd, &tdm_api);
+		}
+		break;
+	case FTDM_COMMAND_FLUSH_IOSTATS:
+		{
+			err = sangoma_flush_stats(ftdmchan->sockfd, &tdm_api);
+		}
+		break;
+	case FTDM_COMMAND_SET_RX_QUEUE_SIZE:
+		{
+			uint32_t queue_size = FTDM_COMMAND_OBJ_INT;
+			err = sangoma_set_rx_queue_sz(ftdmchan->sockfd, &tdm_api, queue_size);
+		}
+		break;
+	case FTDM_COMMAND_SET_TX_QUEUE_SIZE:
+		{
+			uint32_t queue_size = FTDM_COMMAND_OBJ_INT;
+			err = sangoma_set_tx_queue_sz(ftdmchan->sockfd, &tdm_api, queue_size);
+		}
+		break;
 	default:
 		break;
 	};
@@ -759,45 +781,42 @@ static FIO_COMMAND_FUNCTION(wanpipe_command)
 	return FTDM_SUCCESS;
 }
 
-static void wanpipe_read_stats(ftdmchan, wp_tdm_api_rx_hdr_t *rx_stats)
+static void wanpipe_read_stats(ftdm_channel_t *ftdmchan, wp_tdm_api_rx_hdr_t *rx_stats)
 {
-	ftdmchan->iostats.s.rx.error_flags = 0;
-	if (rx_stats->rx_hdr_errors) {
-		wanpipe_reset_stats(ftdmchan);
-		ftdm_log_chan_msg_throttle(ftdmchan, "IO errors\n");
-	}
+	ftdmchan->iostats.stats.rx.flags = 0;
 
-	ftdmchan->iostats.s.rx_queue_size = rx_stats->rx_h.rx_h.max_rx_queue_length;
-	ftdmchan->iostats.s.rx_queue_len = rx_stats->rx_h.current_number_of_frames_in_rx_queue;
+	ftdmchan->iostats.stats.rx.errors = rx_stats->wp_api_rx_hdr_errors;
+	ftdmchan->iostats.stats.rx.rx_queue_size = rx_stats->wp_api_rx_hdr_max_queue_length;
+	ftdmchan->iostats.stats.rx.rx_queue_len = rx_stats->wp_api_rx_hdr_number_of_frames_in_queue;
 	
-	if (rx_stats->rx_h.wp_api_rx_hdr_error_map & (1<<WP_ABORT_ERROR_BIT)) {
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_ABORT);
+	if (rx_stats->wp_api_rx_hdr_error_map & (1<<WP_ABORT_ERROR_BIT)) {
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_ABORT);
 	}
-	if (rx_stats->rx_h.wp_api_rx_hdr_error_map & (1<<WP_DMA_ERROR_BIT)) {
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_DMA);
+	if (rx_stats->wp_api_rx_hdr_error_map & (1<<WP_DMA_ERROR_BIT)) {
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_DMA);
 	}
-	if (rx_stats->rx_h.wp_api_rx_hdr_error_map & (1<<WP_FIFO_ERROR_BIT)) {
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_FIFO);
+	if (rx_stats->wp_api_rx_hdr_error_map & (1<<WP_FIFO_ERROR_BIT)) {
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_FIFO);
 	}
-	if (rx_stats->rx_h.wp_api_rx_hdr_error_map & (1<<WP_CRC_ERROR_BIT)) {
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_CRC);
+	if (rx_stats->wp_api_rx_hdr_error_map & (1<<WP_CRC_ERROR_BIT)) {
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_CRC);
 	}
-	if (rx_stats->rx_h.wp_api_rx_hdr_error_map & (1<<WP_FRAME_ERROR_BIT)) {
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_FRAME);
+	if (rx_stats->wp_api_rx_hdr_error_map & (1<<WP_FRAME_ERROR_BIT)) {
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_FRAME);
 	}
 
-	if (ftdmchan->iostats.s.rx_queue_len >= (0.8*ftdmchan->iostats.s.rx_queue_size)) {
+	if (ftdmchan->iostats.stats.rx.rx_queue_len >= (0.8*ftdmchan->iostats.stats.rx.rx_queue_size)) {
 		ftdm_log_chan(ftdmchan, FTDM_LOG_WARNING, "Rx Queue length exceeded threshold (%d/%d)\n",
-					  								ftdmchan->iostats.s.rx_queue_len, ftdmchan->iostats.s.rx_queue_size);
+					  								ftdmchan->iostats.stats.rx.rx_queue_len, ftdmchan->iostats.stats.rx.rx_queue_size);
 		
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_QUEUE_THRES);
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_QUEUE_THRES);
 	}
 	
-	if (ftdmchan->iostats.s.rx_queue_len >= ftdmchan->iostats.s.rx_queue_size) {
+	if (ftdmchan->iostats.stats.rx.rx_queue_len >= ftdmchan->iostats.stats.rx.rx_queue_size) {
 		ftdm_log_chan(ftdmchan, FTDM_LOG_CRIT, "Rx Queue Full (%d/%d)\n",
-					  ftdmchan->iostats.s.rx_queue_len, ftdmchan->iostats.s.rx_queue_size);
+					  ftdmchan->iostats.stats.rx.rx_queue_len, ftdmchan->iostats.stats.rx.rx_queue_size);
 		
-		ftdm_set_flag(&(ftdmchan->iostats.s.rx), FTDM_IOSTATS_ERROR_QUEUE_FULL);
+		ftdm_set_flag(&(ftdmchan->iostats.stats.rx), FTDM_IOSTATS_ERROR_QUEUE_FULL);
 	}
 	return;
 }

libs/freetdm/src/include/freetdm.h

@@ -430,12 +430,15 @@ typedef enum {
 	FTDM_COMMAND_FLUSH_TX_BUFFERS,
 	FTDM_COMMAND_FLUSH_RX_BUFFERS,
 	FTDM_COMMAND_FLUSH_BUFFERS,
+	FTDM_COMMAND_FLUSH_IOSTATS,
 	FTDM_COMMAND_SET_PRE_BUFFER_SIZE,
 	FTDM_COMMAND_SET_LINK_STATUS,
 	FTDM_COMMAND_GET_LINK_STATUS,
 	FTDM_COMMAND_ENABLE_LOOP,
 	FTDM_COMMAND_DISABLE_LOOP,
-	FTDM_COMMAND_COUNT
+	FTDM_COMMAND_COUNT,
+	FTDM_COMMAND_SET_RX_QUEUE_SIZE,
+	FTDM_COMMAND_SET_TX_QUEUE_SIZE,
 } ftdm_command_t;
 
 /*! \brief Custom memory handler hooks. Not recommended to use unless you need memory allocation customizations */

libs/freetdm/src/include/private/ftdm_core.h

@@ -391,7 +391,7 @@ typedef struct {
 			uint8_t		tx_queue_size;	/* max queue size configured */
 			uint8_t		tx_queue_len;	/* Current number of elements in queue */
 		} tx;
-	} s;
+	} stats;
 } ftdm_channel_iostats_t;
 
 /* 2^8 table size, one for each byte (sample) value */

libs/freetdm/src/include/private/ftdm_types.h

@@ -194,6 +194,7 @@ typedef enum {
 	FTDM_CHANNEL_FEATURE_CALLWAITING = (1 << 6), /*!< Channel will allow call waiting (ie: FXS devices) (read/write) */
 	FTDM_CHANNEL_FEATURE_HWEC = (1<<7), /*!< Channel has a hardware echo canceller */
 	FTDM_CHANNEL_FEATURE_HWEC_DISABLED_ON_IDLE  = (1<<8), /*!< hardware echo canceller is disabled when there are no calls on this channel */
+	FTDM_CHANNEL_FEATURE_IO_STATS = (1<<9), /*!< Channel supports IO statistics (HDLC channels only) */
 } ftdm_channel_feature_t;
 
 typedef enum {