diff mbox series

[v3,2/7] net/idpf: save main time by alarm

Message ID 20230424091707.488045-3-wenjing.qiao@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: Qi Zhang
Headers
Series fix and enhance idpf and cpfl timestamp |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Wenjing Qiao April 24, 2023, 9:17 a.m. UTC 
  Using alarm to save main time from registers every 1 second.

Fixes: 8c6098afa075 ("common/idpf: add Rx/Tx data path")
Cc: stable@dpdk.org

Signed-off-by: Wenjing Qiao <wenjing.qiao@intel.com>
---
 drivers/net/idpf/idpf_ethdev.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index e02ec2ec5a..3f33ffbc78 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -761,6 +761,12 @@  idpf_dev_start(struct rte_eth_dev *dev)
 		goto err_vec;
 	}
 
+	if (dev->data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP) {
+		rte_eal_alarm_set(1000 * 1000,
+				  &idpf_dev_read_time_hw,
+				  (void *)base);
+	}
+
 	ret = idpf_vc_vectors_alloc(vport, req_vecs_num);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "Failed to allocate interrupt vectors");
@@ -810,6 +816,7 @@  static int
 idpf_dev_stop(struct rte_eth_dev *dev)
 {
 	struct idpf_vport *vport = dev->data->dev_private;
+	struct idpf_adapter *base = vport->adapter;
 
 	if (vport->stopped == 1)
 		return 0;
@@ -822,6 +829,11 @@  idpf_dev_stop(struct rte_eth_dev *dev)
 
 	idpf_vc_vectors_dealloc(vport);
 
+	if (dev->data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP) {
+		rte_eal_alarm_cancel(idpf_dev_read_time_hw,
+				     base);
+	}
+
 	vport->stopped = 1;
 
 	return 0;