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From: Wenjing Qiao <wenjing.qiao@intel.com>
To: jingjing.wu@intel.com, beilei.xing@intel.com, qi.z.zhang@intel.com
Cc: dev@dpdk.org, Wenjing Qiao <wenjing.qiao@intel.com>, stable@dpdk.org
Subject: [PATCH v2 2/7] net/idpf: save main time by alarm
Date: Fri, 21 Apr 2023 03:15:58 -0400	[thread overview]
Message-ID: <20230421071603.55680-3-wenjing.qiao@intel.com> (raw)
In-Reply-To: <20230421071603.55680-1-wenjing.qiao@intel.com>

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 --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;
-- 
2.25.1


  parent reply	other threads:[~2023-04-21  7:21 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-20  9:19 [PATCH 0/7] update idpf and cpfl timestamp Wenjing Qiao
2023-04-20  9:19 ` [PATCH 1/7] common/idpf: fix 64b timestamp roll over issue Wenjing Qiao
2023-04-21  7:15   ` [PATCH v2 0/7] update idpf and cpfl timestamp Wenjing Qiao
2023-04-21  7:15     ` [PATCH v2 1/7] common/idpf: fix 64b timestamp roll over issue Wenjing Qiao
2023-04-24  9:17       ` [PATCH v3 0/7] fix and enhance idpf and cpfl timestamp Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 1/7] common/idpf: fix 64b timestamp roll over issue Wenjing Qiao
2023-05-19  8:31           ` [PATCH v4 0/7] fix idpf and cpfl timestamp Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 1/7] common/idpf: fix 64b timestamp roll over issue Wenjing Qiao
2023-05-24  8:36               ` Liu, Mingxia
2023-05-19  8:31             ` [PATCH v4 2/7] net/idpf: save main time by alarm Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 3/7] net/cpfl: " Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 4/7] common/idpf: enhance timestamp offload feature for ACC Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 5/7] common/idpf: add timestamp enable flag for rxq Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 6/7] net/cpfl: adjust timestamp mbuf register Wenjing Qiao
2023-05-19  8:31             ` [PATCH v4 7/7] net/idpf: " Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 2/7] net/idpf: save main time by alarm Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 3/7] net/cpfl: " Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 4/7] common/idpf: enhance timestamp offload feature for ACC Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 5/7] common/idpf: add timestamp enable flag for rxq Wenjing Qiao
2023-04-24  9:17         ` [PATCH v3 6/7] net/cpfl: register timestamp mbuf when starting dev Wenjing Qiao
2023-04-28  3:24           ` Zhang, Qi Z
2023-04-24  9:17         ` [PATCH v3 7/7] net/idpf: " Wenjing Qiao
2023-04-21  7:15     ` Wenjing Qiao [this message]
2023-04-28  2:46       ` [PATCH v2 2/7] net/idpf: save main time by alarm Zhang, Qi Z
2023-04-21  7:15     ` [PATCH v2 3/7] net/cpfl: " Wenjing Qiao
2023-04-21  7:16     ` [PATCH v2 4/7] common/idpf: support timestamp offload feature for ACC Wenjing Qiao
2023-04-21  7:16     ` [PATCH v2 5/7] common/idpf: add timestamp enable flag for rxq Wenjing Qiao
2023-04-21  7:16     ` [PATCH v2 6/7] net/cpfl: register timestamp mbuf when starting dev Wenjing Qiao
2023-04-21  7:16     ` [PATCH v2 7/7] net/idpf: " Wenjing Qiao
2023-04-20  9:19 ` [PATCH 2/7] net/idpf: save master time by alarm Wenjing Qiao
2023-04-20  9:19 ` [PATCH 3/7] net/cpfl: " Wenjing Qiao
2023-04-20  9:19 ` [PATCH 4/7] common/idpf: support timestamp offload feature for ACC Wenjing Qiao
2023-04-20  9:19 ` [PATCH 5/7] common/idpf: add timestamp enable flag for rxq Wenjing Qiao
2023-04-20  9:19 ` [PATCH 6/7] net/cpfl: register timestamp mbuf when starting dev Wenjing Qiao
2023-04-20  9:19 ` [PATCH 7/7] net/idpf: " Wenjing Qiao

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