diff mbox series

[11/21] net/cpfl: support write back based on ITR expire

Message ID	20221223015558.3143279-12-mingxia.liu@intel.com (mailing list archive)
State	Superseded, archived
Delegated to:	Ferruh Yigit
Headers	From: Mingxia Liu <mingxia.liu@intel.com> To: dev@dpdk.org Cc: jingjing.wu@intel.com, beilei.xing@intel.com, qi.z.zhang@intel.com, Mingxia Liu <mingxia.liu@intel.com> Subject: [PATCH 11/21] net/cpfl: support write back based on ITR expire Date: Fri, 23 Dec 2022 01:55:48 +0000 Message-Id: <20221223015558.3143279-12-mingxia.liu@intel.com> In-Reply-To: <20221223015558.3143279-1-mingxia.liu@intel.com> References: <20221223015558.3143279-1-mingxia.liu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: dev-bounces@dpdk.org
Series	add support for cpfl PMD in DPDK \| [00/21] add support for cpfl PMD in DPDK [01/21] net/cpfl: support device initialization [02/21] net/cpfl: add Tx queue setup [03/21] net/cpfl: add Rx queue setup [04/21] net/cpfl: support device start and stop [05/21] net/cpfl: support queue start [06/21] net/cpfl: support queue stop [07/21] net/cpfl: support queue release [08/21] net/cpfl: support MTU configuration [09/21] net/cpfl: support basic Rx data path [10/21] net/cpfl: support basic Tx data path [11/21] net/cpfl: support write back based on ITR expire [12/21] net/cpfl: support RSS [13/21] net/cpfl: support Rx offloading [14/21] net/cpfl: support Tx offloading [15/21] net/cpfl: add AVX512 data path for single queue model [16/21] net/cpfl: support timestamp offload [17/21] net/cpfl: add AVX512 data path for split queue model [18/21] net/cpfl: add hw statistics [19/21] net/cpfl: add RSS set/get ops [20/21] net/cpfl: support single q scatter RX datapath [21/21] net/cpfl: add xstats ops

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

Liu, Mingxia Dec. 23, 2022, 1:55 a.m. UTC

  Enable write back on ITR expire, then packets can be received one by

Signed-off-by: Mingxia Liu <mingxia.liu@intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.c | 38 ++++++++++++++++++++++++++++++++++
 drivers/net/cpfl/cpfl_ethdev.h |  2 ++
 2 files changed, 40 insertions(+)

diff mbox series

Patch

diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index d9ac3983aa..ccd9783f5c 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -198,6 +198,15 @@  cpfl_dev_configure(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+cpfl_config_rx_queues_irqs(struct rte_eth_dev *dev)
+{
+	struct idpf_vport *vport = dev->data->dev_private;
+	uint16_t nb_rx_queues = dev->data->nb_rx_queues;
+
+	return idpf_config_irq_map(vport, nb_rx_queues);
+}
+
 static int
 cpfl_start_queues(struct rte_eth_dev *dev)
 {
@@ -235,6 +244,10 @@  static int
 cpfl_dev_start(struct rte_eth_dev *dev)
 {
 	struct idpf_vport *vport = dev->data->dev_private;
+	struct idpf_adapter *base = vport->adapter;
+	struct cpfl_adapter_ext *adapter = CPFL_ADAPTER_TO_EXT(base);
+	uint16_t num_allocated_vectors = base->caps.num_allocated_vectors;
+	uint16_t req_vecs_num;
 	int ret;
 
 	vport->stopped = 0;
@@ -247,6 +260,27 @@  cpfl_dev_start(struct rte_eth_dev *dev)
 
 	vport->max_pkt_len = dev->data->mtu + CPFL_ETH_OVERHEAD;
 
+	req_vecs_num = CPFL_DFLT_Q_VEC_NUM;
+	if (req_vecs_num + adapter->used_vecs_num > num_allocated_vectors) {
+		PMD_DRV_LOG(ERR, "The accumulated request vectors' number should be less than %d",
+			    num_allocated_vectors);
+		ret = -EINVAL;
+		goto err_mtu;
+	}
+
+	ret = idpf_vc_alloc_vectors(vport, req_vecs_num);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to allocate interrupt vectors");
+		goto err_mtu;
+	}
+	adapter->used_vecs_num += req_vecs_num;
+
+	ret = cpfl_config_rx_queues_irqs(dev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to configure irqs");
+		goto err_mtu;
+	}
+
 	ret = cpfl_start_queues(dev);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "Failed to start queues");
@@ -282,6 +316,10 @@  cpfl_dev_stop(struct rte_eth_dev *dev)
 
 	cpfl_stop_queues(dev);
 
+	idpf_config_irq_unmap(vport, dev->data->nb_rx_queues);
+
+	idpf_vc_dealloc_vectors(vport);
+
 	vport->stopped = 1;
 
 	return 0;
diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h
index e24ecb614b..714149df32 100644
--- a/drivers/net/cpfl/cpfl_ethdev.h
+++ b/drivers/net/cpfl/cpfl_ethdev.h
@@ -24,6 +24,8 @@ 
 
 #define CPFL_INVALID_VPORT_IDX	0xffff
 
+#define CPFL_DFLT_Q_VEC_NUM	1
+
 #define CPFL_MIN_BUF_SIZE	1024
 #define CPFL_MAX_FRAME_SIZE	9728