From patchwork Sun Dec 2 23:09:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salil Mehta X-Patchwork-Id: 152666 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp6164066ljp; Sun, 2 Dec 2018 15:11:21 -0800 (PST) X-Google-Smtp-Source: AFSGD/XLy+dxXuXfs/qt0NtdTlza28jWSDqFZnsbz5YX01aMCu9ipqyU2HyLFfqQqi2+lVVd3xeQ X-Received: by 2002:aa7:8045:: with SMTP id y5mr13598960pfm.62.1543792281161; Sun, 02 Dec 2018 15:11:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543792281; cv=none; d=google.com; s=arc-20160816; b=05yyFtQd1CejO3TOnAWPpq/naM+2pTPmX3A6amyRGu14hNHmASOyAfE8HMGeMcWWYL IrSFsieOlefbuyCxt4zoX/6AzaBg/Jh1aBj8saaEslA1ZSwX2Kpi28pYOiM+59YnJaSw Fb9dNAWjMetDA5T0bWHE7sZK+RZxFBLp7R8mud/2ED+iEyDdnFHG45ZxD9P5QG9x76vY xeGN21u14+GWsXtl7JFf053k7pNnxUQjE0cKno3DwpNJ8GvtML55qIFvnDZF1XWMjlJ7 de61n1+7X3rvzMFu+j1fO5oA68yvZia8QCZBX+yQjQpyPVloQM5he+gVZ5dgBI0c7Sm4 tbSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=7dDkD5EsnQxxhtmXyC7MAV+KonZnptPR2EqJ4vwpHRk=; b=xFh8PNrQ8sTnMZ1LlA2F6usQNUOsQSuCoTJSSgJQjCuzl99ru0UCyhJ8JERjA39tmz dgnie7Sz16Jg2CIcyHrNjQXvkmxDzkLc29iwvmvilpRbDpGLCNf7OECG4LjpQh7lNcAv 0l+rc2509+UjmFv7T7ETzDTl+JtGzABo+SuohbaRf5AePF6pT+rIrH6yqM2HxgT0t9C3 abqkpH0LBCY9zIUuX09newaFx9j6JEjHl9Yb2kxymjoLAhbSHZNhJhgAQiTN5cpGGlwl ZWHmvB/Etag9jPEa3iaosewWVbu2XccMboSwjK4PuvJqqOx/ZjlGQbbihcA7VPhAb9ej HDBQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f28si12164848pff.131.2018.12.02.15.11.20; Sun, 02 Dec 2018 15:11:21 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725843AbeLBXLS (ORCPT + 11 others); Sun, 2 Dec 2018 18:11:18 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:15624 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725785AbeLBXLR (ORCPT ); Sun, 2 Dec 2018 18:11:17 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 089E658FDAD5; Mon, 3 Dec 2018 07:11:13 +0800 (CST) Received: from S00293818-DELL1.china.huawei.com (10.47.90.156) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.408.0; Mon, 3 Dec 2018 07:11:05 +0800 From: Salil Mehta To: CC: , , , , , , , liuzhongzhu Subject: [RFC net-next 1/9] net: hns3: Add "bd info" query function Date: Sun, 2 Dec 2018 23:09:25 +0000 Message-ID: <20181202230933.15560-2-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20181202230933.15560-1-salil.mehta@huawei.com> References: <20181202230933.15560-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.47.90.156] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: liuzhongzhu This patch prints Sending and receiving packet descriptor information. debugfs command: echo dump bd info 1 > cmd Sample Command: root@(none)# echo bd info 1 > cmd hns3 0000:7d:00.0: TX Queue Num: 0, BD Index: 0 hns3 0000:7d:00.0: (TX) addr: 0x0 hns3 0000:7d:00.0: (TX)vlan_tag: 0 hns3 0000:7d:00.0: (TX)send_size: 0 hns3 0000:7d:00.0: (TX)vlan_tso: 0 hns3 0000:7d:00.0: (TX)l2_len: 0 hns3 0000:7d:00.0: (TX)l3_len: 0 hns3 0000:7d:00.0: (TX)l4_len: 0 hns3 0000:7d:00.0: (TX)vlan_tag: 0 hns3 0000:7d:00.0: (TX)tv: 0 hns3 0000:7d:00.0: (TX)vlan_msec: 0 hns3 0000:7d:00.0: (TX)ol2_len: 0 hns3 0000:7d:00.0: (TX)ol3_len: 0 hns3 0000:7d:00.0: (TX)ol4_len: 0 hns3 0000:7d:00.0: (TX)paylen: 0 hns3 0000:7d:00.0: (TX)vld_ra_ri: 0 hns3 0000:7d:00.0: (TX)mss: 0 hns3 0000:7d:00.0: RX Queue Num: 0, BD Index: 120 hns3 0000:7d:00.0: (RX)addr: 0xffee7000 hns3 0000:7d:00.0: (RX)pkt_len: 0 hns3 0000:7d:00.0: (RX)size: 0 hns3 0000:7d:00.0: (RX)rss_hash: 0 hns3 0000:7d:00.0: (RX)fd_id: 0 hns3 0000:7d:00.0: (RX)vlan_tag: 0 hns3 0000:7d:00.0: (RX)o_dm_vlan_id_fb: 0 hns3 0000:7d:00.0: (RX)ot_vlan_tag: 0 hns3 0000:7d:00.0: (RX)bd_base_info: 0 Signed-off-by: liuzhongzhu Signed-off-by: Salil Mehta --- drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 79 +++++++++++++++++++++- 1 file changed, 78 insertions(+), 1 deletion(-) -- 2.11.0 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 86d667a3730a..9a026556df0e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -52,7 +52,7 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h, char *cmd_buf) test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) return -EPERM; - ring = ring_data[i + h->kinfo.num_tqps].ring; + ring = ring_data[(u32)(i + h->kinfo.num_tqps)].ring; base_add_h = readl_relaxed(ring->tqp->io_base + HNS3_RING_RX_RING_BASEADDR_H_REG); base_add_l = readl_relaxed(ring->tqp->io_base + @@ -125,10 +125,85 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h, char *cmd_buf) return 0; } +static int hns3_dbg_bd_info(struct hnae3_handle *h, char *cmd_buf) +{ + struct hns3_nic_priv *priv = h->priv; + struct hns3_nic_ring_data *ring_data; + struct hns3_desc *rx_desc, *tx_desc; + struct device *dev = &h->pdev->dev; + struct hns3_enet_ring *ring; + u32 tx_index, rx_index; + u32 q_num, value; + int cnt; + + cnt = sscanf(&cmd_buf[8], "%u %u", &q_num, &tx_index); + if (cnt == 2) { + rx_index = tx_index; + } else if (cnt != 1) { + dev_err(dev, "bd info: bad command string, cnt=%d\n", cnt); + return -EINVAL; + } + + if (q_num >= h->kinfo.num_tqps) { + dev_err(dev, "Queue number(%u) is out of range(%u)\n", q_num, + h->kinfo.num_tqps - 1); + return -EINVAL; + } + + ring_data = priv->ring_data; + ring = ring_data[q_num].ring; + value = readl_relaxed(ring->tqp->io_base + HNS3_RING_TX_RING_TAIL_REG); + tx_index = (cnt == 1) ? value : tx_index; + + if (tx_index >= ring->desc_num) { + dev_err(dev, "bd index (%u) is out of range(%u)\n", tx_index, + ring->desc_num - 1); + return -EINVAL; + } + + tx_desc = &ring->desc[tx_index]; + dev_info(dev, "TX Queue Num: %u, BD Index: %u\n", q_num, tx_index); + dev_info(dev, "(TX) addr: 0x%llx\n", tx_desc->addr); + dev_info(dev, "(TX)vlan_tag: %u\n", tx_desc->tx.vlan_tag); + dev_info(dev, "(TX)send_size: %u\n", tx_desc->tx.send_size); + dev_info(dev, "(TX)vlan_tso: %u\n", tx_desc->tx.type_cs_vlan_tso); + dev_info(dev, "(TX)l2_len: %u\n", tx_desc->tx.l2_len); + dev_info(dev, "(TX)l3_len: %u\n", tx_desc->tx.l3_len); + dev_info(dev, "(TX)l4_len: %u\n", tx_desc->tx.l4_len); + dev_info(dev, "(TX)vlan_tag: %u\n", tx_desc->tx.outer_vlan_tag); + dev_info(dev, "(TX)tv: %u\n", tx_desc->tx.tv); + dev_info(dev, "(TX)vlan_msec: %u\n", tx_desc->tx.ol_type_vlan_msec); + dev_info(dev, "(TX)ol2_len: %u\n", tx_desc->tx.ol2_len); + dev_info(dev, "(TX)ol3_len: %u\n", tx_desc->tx.ol3_len); + dev_info(dev, "(TX)ol4_len: %u\n", tx_desc->tx.ol4_len); + dev_info(dev, "(TX)paylen: %u\n", tx_desc->tx.paylen); + dev_info(dev, "(TX)vld_ra_ri: %u\n", tx_desc->tx.bdtp_fe_sc_vld_ra_ri); + dev_info(dev, "(TX)mss: %u\n", tx_desc->tx.mss); + + ring = ring_data[q_num + h->kinfo.num_tqps].ring; + value = readl_relaxed(ring->tqp->io_base + HNS3_RING_RX_RING_TAIL_REG); + rx_index = (cnt == 1) ? value : tx_index; + rx_desc = &ring->desc[rx_index]; + + dev_info(dev, "RX Queue Num: %u, BD Index: %u\n", q_num, rx_index); + dev_info(dev, "(RX)addr: 0x%llx\n", rx_desc->addr); + dev_info(dev, "(RX)pkt_len: %u\n", rx_desc->rx.pkt_len); + dev_info(dev, "(RX)size: %u\n", rx_desc->rx.size); + dev_info(dev, "(RX)rss_hash: %u\n", rx_desc->rx.rss_hash); + dev_info(dev, "(RX)fd_id: %u\n", rx_desc->rx.fd_id); + dev_info(dev, "(RX)vlan_tag: %u\n", rx_desc->rx.vlan_tag); + dev_info(dev, "(RX)o_dm_vlan_id_fb: %u\n", rx_desc->rx.o_dm_vlan_id_fb); + dev_info(dev, "(RX)ot_vlan_tag: %u\n", rx_desc->rx.ot_vlan_tag); + dev_info(dev, "(RX)bd_base_info: %u\n", rx_desc->rx.bd_base_info); + + return 0; +} + static void hns3_dbg_help(struct hnae3_handle *h) { dev_info(&h->pdev->dev, "available commands\n"); dev_info(&h->pdev->dev, "queue info [number]\n"); + dev_info(&h->pdev->dev, "bd info [q_num] \n"); dev_info(&h->pdev->dev, "dump fd tcam\n"); dev_info(&h->pdev->dev, "dump tc\n"); dev_info(&h->pdev->dev, "dump tm\n"); @@ -205,6 +280,8 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, hns3_dbg_help(handle); else if (strncmp(cmd_buf, "queue info", 10) == 0) ret = hns3_dbg_queue_info(handle, cmd_buf); + else if (strncmp(cmd_buf, "bd info", 7) == 0) + ret = hns3_dbg_bd_info(handle, cmd_buf); else if (handle->ae_algo->ops->dbg_run_cmd) ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf);