From: Robin Zhang <robinx.zhang@intel.com>
To: dev@dpdk.org
Cc: beilei.xing@intel.com, jingjing.wu@intel.com,
qiming.yang@intel.com, stevex.yang@intel.com,
Robin Zhang <robinx.zhang@intel.com>
Subject: [dpdk-dev] [PATCH 8/8] net/iavf: support check DD bit of a RX descriptor
Date: Sun, 27 Sep 2020 07:26:26 +0000 [thread overview]
Message-ID: <20200927072626.28374-9-robinx.zhang@intel.com> (raw)
In-Reply-To: <20200927072626.28374-1-robinx.zhang@intel.com>
Add implementation of inline API rx_descriptor_done in iavf PMD.
Signed-off-by: Robin Zhang <robinx.zhang@intel.com>
---
drivers/net/iavf/iavf_ethdev.c | 1 +
drivers/net/iavf/iavf_rxtx.c | 26 ++++++++++++++++++++++++++
drivers/net/iavf/iavf_rxtx.h | 1 +
3 files changed, 28 insertions(+)
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 836c09f58..b7a819a0e 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1417,6 +1417,7 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
/* assign ops func pointer */
eth_dev->dev_ops = &iavf_eth_dev_ops;
eth_dev->rx_queue_count = iavf_dev_rxq_count;
+ eth_dev->rx_descriptor_done = iavf_dev_rx_desc_done;
eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status;
eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status;
eth_dev->rx_pkt_burst = &iavf_recv_pkts;
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 1b0efe043..d9e3aac1d 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2337,6 +2337,32 @@ iavf_dev_rxq_count(struct rte_eth_dev *dev, uint16_t queue_id)
return desc;
}
+int
+iavf_dev_rx_desc_done(void *rx_queue, uint16_t offset)
+{
+ volatile union iavf_rx_desc *rxdp;
+ struct iavf_rx_queue *rxq = rx_queue;
+ uint16_t desc;
+ int ret;
+
+ if (unlikely(offset >= rxq->nb_rx_desc)) {
+ PMD_DRV_LOG(ERR, "Invalid RX descriptor id %u", offset);
+ return 0;
+ }
+
+ desc = rxq->rx_tail + offset;
+ if (desc >= rxq->nb_rx_desc)
+ desc -= rxq->nb_rx_desc;
+
+ rxdp = &rxq->rx_ring[desc];
+
+ ret = !!(((rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len) &
+ IAVF_RXD_QW1_STATUS_MASK) >> IAVF_RXD_QW1_STATUS_SHIFT) &
+ (1 << IAVF_RX_DESC_STATUS_DD_SHIFT));
+
+ return ret;
+}
+
int
iavf_dev_rx_desc_status(void *rx_queue, uint16_t offset)
{
diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
index 3d02c6589..d5c002858 100644
--- a/drivers/net/iavf/iavf_rxtx.h
+++ b/drivers/net/iavf/iavf_rxtx.h
@@ -404,6 +404,7 @@ void iavf_dev_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
void iavf_dev_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
struct rte_eth_txq_info *qinfo);
uint32_t iavf_dev_rxq_count(struct rte_eth_dev *dev, uint16_t queue_id);
+int iavf_dev_rx_desc_done(void *rx_queue, uint16_t offset);
int iavf_dev_rx_desc_status(void *rx_queue, uint16_t offset);
int iavf_dev_tx_desc_status(void *tx_queue, uint16_t offset);
--
2.17.1
next prev parent reply other threads:[~2020-09-27 7:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-27 7:26 [dpdk-dev] [PATCH 0/8] feature porting from i40evf to iavf Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 1/8] net/iavf: use link status helper functions Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 2/8] net/iavf: set min and max MTU for VF Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 3/8] net/iavf: re-program promiscuous mode on VF interface Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 4/8] net/iavf: optimize promiscuous ops Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 5/8] net/iavf: add workaround promiscuous disable Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 6/8] net/iavf: cleanup Tx buffers Robin Zhang
2020-09-27 7:26 ` [dpdk-dev] [PATCH 7/8] net/iavf: add extended stats Robin Zhang
2020-09-27 7:26 ` Robin Zhang [this message]
2020-10-08 15:05 ` [dpdk-dev] [PATCH 8/8] net/iavf: support check DD bit of a RX descriptor Ferruh Yigit
[not found] ` <fe7a8f1f1a1f45908c4094ccfc6b547d@intel.com>
2020-10-12 8:32 ` Ferruh Yigit
2020-10-13 5:58 ` Zhang, Qi Z
2020-10-08 12:23 ` [dpdk-dev] [PATCH 0/8] feature porting from i40evf to iavf Zhang, Qi Z
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