From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 18295A0547; Fri, 12 Mar 2021 12:51:02 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 31C8116089F; Fri, 12 Mar 2021 12:50:43 +0100 (CET) Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by mails.dpdk.org (Postfix) with ESMTP id CB5E3406FF for ; Fri, 12 Mar 2021 12:50:38 +0100 (CET) Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4DxkbQ5vm9zmVxl for ; Fri, 12 Mar 2021 19:48:18 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.498.0; Fri, 12 Mar 2021 19:50:35 +0800 From: "Min Hu (Connor)" To: CC: Date: Fri, 12 Mar 2021 19:51:12 +0800 Message-ID: <1615549872-49720-9-git-send-email-humin29@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1615549872-49720-1-git-send-email-humin29@huawei.com> References: <1615356985-24722-1-git-send-email-humin29@huawei.com> <1615549872-49720-1-git-send-email-humin29@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v3 8/8] net/hns3: support query Rx descriptor status X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Hongbo Zheng Add support for query Rx descriptor status in hns3 driver. Check the descriptor specified and provide the status information of the corresponding descriptor. Signed-off-by: Hongbo Zheng Signed-off-by: Min Hu (Connor) --- doc/guides/nics/features/hns3.ini | 1 + doc/guides/nics/features/hns3_vf.ini | 1 + doc/guides/rel_notes/release_21_05.rst | 1 + drivers/net/hns3/hns3_ethdev.c | 1 + drivers/net/hns3/hns3_ethdev_vf.c | 1 + drivers/net/hns3/hns3_rxtx.c | 36 ++++++++++++++++++++++++++++++++++ drivers/net/hns3/hns3_rxtx.h | 1 + 7 files changed, 42 insertions(+) diff --git a/doc/guides/nics/features/hns3.ini b/doc/guides/nics/features/hns3.ini index 2c0cb89..3988be4 100644 --- a/doc/guides/nics/features/hns3.ini +++ b/doc/guides/nics/features/hns3.ini @@ -35,6 +35,7 @@ L4 checksum offload = Y Inner L3 checksum = Y Inner L4 checksum = Y Packet type parsing = Y +Rx descriptor status = Y Tx descriptor status = Y Basic stats = Y Extended stats = Y diff --git a/doc/guides/nics/features/hns3_vf.ini b/doc/guides/nics/features/hns3_vf.ini index e60b09b..1640669 100644 --- a/doc/guides/nics/features/hns3_vf.ini +++ b/doc/guides/nics/features/hns3_vf.ini @@ -33,6 +33,7 @@ Inner L3 checksum = Y Inner L4 checksum = Y Packet type parsing = Y Tx descriptor status = Y +Rx descriptor status = Y Basic stats = Y Extended stats = Y Stats per queue = Y diff --git a/doc/guides/rel_notes/release_21_05.rst b/doc/guides/rel_notes/release_21_05.rst index e8b0c6e..6e1fc81 100644 --- a/doc/guides/rel_notes/release_21_05.rst +++ b/doc/guides/rel_notes/release_21_05.rst @@ -63,6 +63,7 @@ New Features * Added support for runtime config to select IO burst function. * Added support for outer UDP checksum in Kunpeng930. * Added support for query Tx descriptor status. + * Added support for query Rx descriptor status. * **Updated NXP DPAA2 driver.** diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 8c65be4..b7bfac8 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -6772,6 +6772,7 @@ hns3_dev_init(struct rte_eth_dev *eth_dev) err_mp_init_secondary: eth_dev->dev_ops = NULL; eth_dev->rx_pkt_burst = NULL; + eth_dev->rx_descriptor_status = NULL; eth_dev->tx_pkt_burst = NULL; eth_dev->tx_pkt_prepare = NULL; eth_dev->tx_descriptor_status = NULL; diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index 4412da3..34a6927 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -2915,6 +2915,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev) err_mp_init_secondary: eth_dev->dev_ops = NULL; eth_dev->rx_pkt_burst = NULL; + eth_dev->rx_descriptor_status = NULL; eth_dev->tx_pkt_burst = NULL; eth_dev->tx_pkt_prepare = NULL; eth_dev->tx_descriptor_status = NULL; diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c index a84da15..feeb702 100644 --- a/drivers/net/hns3/hns3_rxtx.c +++ b/drivers/net/hns3/hns3_rxtx.c @@ -4042,6 +4042,7 @@ void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev) if (hns->hw.adapter_state == HNS3_NIC_STARTED && __atomic_load_n(&hns->hw.reset.resetting, __ATOMIC_RELAXED) == 0) { eth_dev->rx_pkt_burst = hns3_get_rx_function(eth_dev); + eth_dev->rx_descriptor_status = hns3_dev_rx_descriptor_status; eth_dev->tx_pkt_burst = hns3_get_tx_function(eth_dev, &prep); eth_dev->tx_pkt_prepare = prep; eth_dev->tx_descriptor_status = hns3_dev_tx_descriptor_status; @@ -4258,6 +4259,41 @@ hns3_tx_done_cleanup(void *txq, uint32_t free_cnt) } int +hns3_dev_rx_descriptor_status(void *rx_queue, uint16_t offset) +{ + volatile struct hns3_desc *rxdp; + struct hns3_rx_queue *rxq; + struct rte_eth_dev *dev; + uint32_t bd_base_info; + uint16_t desc_id; + + rxq = (struct hns3_rx_queue *)rx_queue; + if (offset >= rxq->nb_rx_desc) + return -EINVAL; + + desc_id = (rxq->next_to_use + offset) % rxq->nb_rx_desc; + rxdp = &rxq->rx_ring[desc_id]; + bd_base_info = rte_le_to_cpu_32(rxdp->rx.bd_base_info); + dev = &rte_eth_devices[rxq->port_id]; + if (dev->rx_pkt_burst == hns3_recv_pkts || + dev->rx_pkt_burst == hns3_recv_scattered_pkts) { + if (offset >= rxq->nb_rx_desc - rxq->rx_free_hold) + return RTE_ETH_RX_DESC_UNAVAIL; + } else if (dev->rx_pkt_burst == hns3_recv_pkts_vec || + dev->rx_pkt_burst == hns3_recv_pkts_vec_sve){ + if (offset >= rxq->nb_rx_desc - rxq->rx_rearm_nb) + return RTE_ETH_RX_DESC_UNAVAIL; + } else { + return RTE_ETH_RX_DESC_UNAVAIL; + } + + if (!(bd_base_info & BIT(HNS3_RXD_VLD_B))) + return RTE_ETH_RX_DESC_AVAIL; + else + return RTE_ETH_RX_DESC_DONE; +} + +int hns3_dev_tx_descriptor_status(void *tx_queue, uint16_t offset) { volatile struct hns3_desc *txdp; diff --git a/drivers/net/hns3/hns3_rxtx.h b/drivers/net/hns3/hns3_rxtx.h index 82d5aa0..f9b3048 100644 --- a/drivers/net/hns3/hns3_rxtx.h +++ b/drivers/net/hns3/hns3_rxtx.h @@ -720,6 +720,7 @@ void hns3_stop_all_txqs(struct rte_eth_dev *dev); void hns3_restore_tqp_enable_state(struct hns3_hw *hw); int hns3_tx_done_cleanup(void *txq, uint32_t free_cnt); void hns3_enable_rxd_adv_layout(struct hns3_hw *hw); +int hns3_dev_rx_descriptor_status(void *rx_queue, uint16_t offset); int hns3_dev_tx_descriptor_status(void *tx_queue, uint16_t offset); #endif /* _HNS3_RXTX_H_ */ -- 2.7.4