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 4151CA0548; Wed, 1 Jun 2022 09:51:02 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4FFDC4113F; Wed, 1 Jun 2022 09:50:54 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 4090940694 for ; Wed, 1 Jun 2022 09:50:50 +0200 (CEST) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4LChBb0576zjXGS for ; Wed, 1 Jun 2022 15:49:58 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 1 Jun 2022 15:50:49 +0800 From: "Min Hu (Connor)" To: Subject: [PATCH v3 3/4] net/hns3: support Rx/Tx bd dump Date: Wed, 1 Jun 2022 15:49:29 +0800 Message-ID: <20220601074930.10313-4-humin29@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220601074930.10313-1-humin29@huawei.com> References: <20220527023351.40577-1-humin29@huawei.com> <20220601074930.10313-1-humin29@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected 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 This patch support query HW descriptor from hns3 device. HW descriptor is also called BD(buffer description) which is shared memory between software and hardware. Signed-off-by: Min Hu (Connor) --- drivers/net/hns3/hns3_dump.c | 64 +++++++++++++++++++++++++++++++ drivers/net/hns3/hns3_dump.h | 4 ++ drivers/net/hns3/hns3_ethdev.c | 2 + drivers/net/hns3/hns3_ethdev_vf.c | 2 + 4 files changed, 72 insertions(+) diff --git a/drivers/net/hns3/hns3_dump.c b/drivers/net/hns3/hns3_dump.c index 2cfab429af..74f687f0d7 100644 --- a/drivers/net/hns3/hns3_dump.c +++ b/drivers/net/hns3/hns3_dump.c @@ -8,6 +8,9 @@ #include "hns3_rxtx.h" #include "hns3_dump.h" +#define HNS3_BD_DW_NUM 8 +#define HNS3_BD_ADDRESS_LAST_DW 2 + static const char * get_adapter_state_name(enum hns3_adapter_state state) { @@ -911,3 +914,64 @@ hns3_eth_dev_priv_dump(struct rte_eth_dev *dev, FILE *file) return 0; } + +int hns3_rx_hw_desc_dump(FILE *file, const struct rte_eth_dev *dev, + uint16_t queue_id, uint16_t desc_id) +{ + struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct hns3_rx_queue *rxq = dev->data->rx_queues[queue_id]; + uint32_t *bd_data; + int i; + + if (desc_id >= rxq->nb_rx_desc) { + hns3_err(hw, "Invalid Rx BD id=%u\n", desc_id); + return -EINVAL; + } + + bd_data = (uint32_t *)(&rxq->rx_ring[desc_id]); + fprintf(file, "Rx queue id:%u BD id:%u\n", queue_id, desc_id); + for (i = 0; i < HNS3_BD_DW_NUM; i++) { + /* + * For the sake of security, first 8 bytes of BD which stands + * for physical address of packet should not be shown. + */ + if (i < HNS3_BD_ADDRESS_LAST_DW) { + fprintf(file, "RX BD WORD[%d]:0x%08x\n", i, 0); + continue; + } + fprintf(file, "RX BD WORD[%d]:0x%08x\n", i, *(bd_data + i)); + } + + return 0; +} + +int hns3_tx_hw_desc_dump(FILE *file, const struct rte_eth_dev *dev, + uint16_t queue_id, uint16_t desc_id) +{ + struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct hns3_tx_queue *txq = dev->data->tx_queues[queue_id]; + uint32_t *bd_data; + int i; + + if (desc_id >= txq->nb_tx_desc) { + hns3_err(hw, "Invalid Tx BD id=%u\n", desc_id); + return -EINVAL; + } + + bd_data = (uint32_t *)(&txq->tx_ring[desc_id]); + fprintf(file, "Tx queue id:%u BD id:%u\n", queue_id, desc_id); + for (i = 0; i < HNS3_BD_DW_NUM; i++) { + /* + * For the sake of security, first 8 bytes of BD which stands + * for physical address of packet should not be shown. + */ + if (i < HNS3_BD_ADDRESS_LAST_DW) { + fprintf(file, "TX BD WORD[%d]:0x%08x\n", i, 0); + continue; + } + + fprintf(file, "Tx BD WORD[%d]:0x%08x\n", i, *(bd_data + i)); + } + + return 0; +} diff --git a/drivers/net/hns3/hns3_dump.h b/drivers/net/hns3/hns3_dump.h index b0fe37ee21..3dcd9a0466 100644 --- a/drivers/net/hns3/hns3_dump.h +++ b/drivers/net/hns3/hns3_dump.h @@ -10,4 +10,8 @@ #include int hns3_eth_dev_priv_dump(struct rte_eth_dev *dev, FILE *file); +int hns3_rx_hw_desc_dump(FILE *file, const struct rte_eth_dev *dev, + uint16_t queue_id, uint16_t desc_id); +int hns3_tx_hw_desc_dump(FILE *file, const struct rte_eth_dev *dev, + uint16_t queue_id, uint16_t desc_id); #endif /* _HNS3_DUMP_H_ */ diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 6fa07c4c94..ad5018f8a1 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -6562,6 +6562,8 @@ static const struct eth_dev_ops hns3_eth_dev_ops = { .timesync_read_time = hns3_timesync_read_time, .timesync_write_time = hns3_timesync_write_time, .eth_dev_priv_dump = hns3_eth_dev_priv_dump, + .eth_rx_hw_desc_dump = hns3_rx_hw_desc_dump, + .eth_tx_hw_desc_dump = hns3_tx_hw_desc_dump, }; static const struct hns3_reset_ops hns3_reset_ops = { diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index 5fc6515de9..26173442b2 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -2288,6 +2288,8 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = { .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get, .tx_done_cleanup = hns3_tx_done_cleanup, .eth_dev_priv_dump = hns3_eth_dev_priv_dump, + .eth_rx_hw_desc_dump = hns3_rx_hw_desc_dump, + .eth_tx_hw_desc_dump = hns3_tx_hw_desc_dump, }; static const struct hns3_reset_ops hns3vf_reset_ops = { -- 2.33.0