net/idpf: register timestamp mbuf when starting dev

Due to only support timestamp at port level, registering
timestamp mbuf should be at dev start stage.

Fixes: 8c6098a ("common/idpf: add Rx/Tx data path")
Cc: stable@dpdk.org

Signed-off-by: Wenjing Qiao <wenjing.qiao@intel.com>
Suggested-by: Jingjing Wu <jingjing.wu@intel.com>
Signed-off-by: 0-day Robot <robot@bytheb.org>

drivers/net/idpf/idpf_ethdev.c

@@ -765,6 +765,13 @@ idpf_dev_start(struct rte_eth_dev *dev)
 		rte_eal_alarm_set(1000 * 1000,
 				  &idpf_dev_read_time_hw,
 				  (void *)base);
+		/* Register mbuf field and flag for Rx timestamp */
+		ret = rte_mbuf_dyn_rx_timestamp_register(&idpf_timestamp_dynfield_offset,
+							 &idpf_timestamp_dynflag);
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR, "Cannot register mbuf field/flag for timestamp");
+			return -EINVAL;
+		}
 	}
 
 	ret = idpf_vc_vectors_alloc(vport, req_vecs_num);

drivers/net/idpf/idpf_ethdev.h

@@ -55,6 +55,9 @@
 
 #define IDPF_ALARM_INTERVAL	50000 /* us */
 
+extern int idpf_timestamp_dynfield_offset;
+extern uint64_t idpf_timestamp_dynflag;
+
 struct idpf_vport_param {
 	struct idpf_adapter_ext *adapter;
 	uint16_t devarg_id; /* arg id from user */

drivers/net/idpf/idpf_rxtx.c

@@ -529,6 +529,9 @@ idpf_rx_queue_init(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	    frame_size > rxq->rx_buf_len)
 		dev->data->scattered_rx = 1;
 
+	if (dev->data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP)
+		rxq->ts_enable = TRUE;
+
 	err = idpf_qc_ts_mbuf_register(rxq);
 	if (err != 0) {
 		PMD_DRV_LOG(ERR, "fail to residter timestamp mbuf %u",