From: Pankaj Gupta <pagupta@vmware.com> To: jbehrens@vmware.com, yongwang@vmware.com Cc: dev@dpdk.org, pagupta@vmware.com Subject: [PATCH v4 3/8] net/vmxnet3: add Rx queue usage count utility Date: Thu, 5 May 2022 18:00:14 -0400 Message-ID: <20220505220019.31166-4-pagupta@vmware.com> (raw) In-Reply-To: <20220505220019.31166-1-pagupta@vmware.com> Count the number of entries in the Rx queue for debugging. Tested, using testpmd, for different hardware version on ESXi 7.0 Update 2 Signed-off-by: Pankaj Gupta <pagupta@vmware.com> Reviewed-by: Jochen Behrens <jbehrens@vmware.com> --- drivers/net/vmxnet3/vmxnet3_ethdev.c | 1 + drivers/net/vmxnet3/vmxnet3_ethdev.h | 3 +++ drivers/net/vmxnet3/vmxnet3_rxtx.c | 30 ++++++++++++++++++++++++++++ 3 files changed, 34 insertions(+) diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index d5f9903946..2725e49ae9 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -294,6 +294,7 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) eth_dev->rx_pkt_burst = &vmxnet3_recv_pkts; eth_dev->tx_pkt_burst = &vmxnet3_xmit_pkts; eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts; + eth_dev->rx_queue_count = vmxnet3_dev_rx_queue_count, pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); /* extra mbuf field is required to guess MSS */ diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h index 7ec3b2e1f0..ceaeb66392 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.h +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h @@ -193,6 +193,9 @@ int vmxnet3_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, uint16_t nb_rx_desc, unsigned int socket_id, const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool); + +uint32_t vmxnet3_dev_rx_queue_count(void *rx_queue); + int vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, uint16_t nb_tx_desc, unsigned int socket_id, const struct rte_eth_txconf *tx_conf); diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c index d745064bc4..e15b377d8c 100644 --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c @@ -1019,6 +1019,36 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) return nb_rx; } +uint32_t +vmxnet3_dev_rx_queue_count(void *rx_queue) +{ + const vmxnet3_rx_queue_t *rxq; + const Vmxnet3_RxCompDesc *rcd; + uint32_t idx, nb_rxd = 0; + uint8_t gen; + + rxq = rx_queue; + if (unlikely(rxq->stopped)) { + PMD_RX_LOG(DEBUG, "Rx queue is stopped."); + return 0; + } + + gen = rxq->comp_ring.gen; + idx = rxq->comp_ring.next2proc; + rcd = &rxq->comp_ring.base[idx].rcd; + while (rcd->gen == gen) { + if (rcd->eop) + ++nb_rxd; + if (++idx == rxq->comp_ring.size) { + idx = 0; + gen ^= 1; + } + rcd = &rxq->comp_ring.base[idx].rcd; + } + + return nb_rxd; +} + int vmxnet3_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, -- 2.17.1
next prev parent reply other threads:[~2022-05-05 22:00 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-05 22:00 [PATCH v4 0/8] vmxnet3 version V5 and V6 Pankaj Gupta 2022-05-05 22:00 ` [PATCH v4 1/8] net/vmxnet3: add V5 support Pankaj Gupta 2022-05-05 22:00 ` [PATCH v4 2/8] net/vmxnet3: implement reta query and reta update Pankaj Gupta 2022-05-12 10:58 ` Andrew Rybchenko 2022-05-05 22:00 ` Pankaj Gupta [this message] 2022-05-12 10:59 ` [PATCH v4 3/8] net/vmxnet3: add Rx queue usage count utility Andrew Rybchenko 2022-05-05 22:00 ` [PATCH v4 4/8] net/vmxnet3: report HW version on FW version get Pankaj Gupta 2022-05-05 22:00 ` [PATCH v4 5/8] net/vmxnet3: version 6 Pankaj Gupta 2022-05-12 10:57 ` Andrew Rybchenko 2022-05-05 22:00 ` [PATCH v4 6/8] net/vmxnet3: advertise RETA size in device info Pankaj Gupta 2022-05-05 22:00 ` [PATCH v4 7/8] net/vmxnet3: set packet type for fragmented packet Pankaj Gupta 2022-05-05 22:00 ` [PATCH v4 8/8] Fixes: 046f11619567 ("net/vmxnet3: support MSI-X interrupt") Pankaj Gupta
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