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 41504A0C41; Thu, 16 Sep 2021 04:58:10 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CA5204003F; Thu, 16 Sep 2021 04:58:09 +0200 (CEST) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 972464003C for ; Thu, 16 Sep 2021 04:58:08 +0200 (CEST) Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4H91ql2mDWz8yTZ; Thu, 16 Sep 2021 10:53:39 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggeme756-chm.china.huawei.com (10.3.19.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Thu, 16 Sep 2021 10:58:06 +0800 From: "Min Hu (Connor)" To: CC: , Date: Thu, 16 Sep 2021 10:56:36 +0800 Message-ID: <20210916025636.48024-1-humin29@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <29b75903-d212-c6e6-eedf-e3bc92ab816a@huawei.com> References: <29b75903-d212-c6e6-eedf-e3bc92ab816a@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected Subject: [dpdk-dev] [RFC] ethdev: improve link speed to string 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" Currently, link speed to string only supports specific speeds, like 10M, 100M, 1G etc. This patch expands support for any link speed which is over 1M and one decimal place will kept for display at most. Signed-off-by: Min Hu (Connor) --- lib/ethdev/rte_ethdev.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c index daf5ca9242..1d3b960305 100644 --- a/lib/ethdev/rte_ethdev.c +++ b/lib/ethdev/rte_ethdev.c @@ -2750,24 +2750,24 @@ rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link) const char * rte_eth_link_speed_to_str(uint32_t link_speed) { - switch (link_speed) { - case ETH_SPEED_NUM_NONE: return "None"; - case ETH_SPEED_NUM_10M: return "10 Mbps"; - case ETH_SPEED_NUM_100M: return "100 Mbps"; - case ETH_SPEED_NUM_1G: return "1 Gbps"; - case ETH_SPEED_NUM_2_5G: return "2.5 Gbps"; - case ETH_SPEED_NUM_5G: return "5 Gbps"; - case ETH_SPEED_NUM_10G: return "10 Gbps"; - case ETH_SPEED_NUM_20G: return "20 Gbps"; - case ETH_SPEED_NUM_25G: return "25 Gbps"; - case ETH_SPEED_NUM_40G: return "40 Gbps"; - case ETH_SPEED_NUM_50G: return "50 Gbps"; - case ETH_SPEED_NUM_56G: return "56 Gbps"; - case ETH_SPEED_NUM_100G: return "100 Gbps"; - case ETH_SPEED_NUM_200G: return "200 Gbps"; - case ETH_SPEED_NUM_UNKNOWN: return "Unknown"; - default: return "Invalid"; +#define SPEED_STRING_LEN 16 + static char name[SPEED_STRING_LEN]; + + if (link_speed == ETH_SPEED_NUM_NONE) + return "None"; + if (link_speed == ETH_SPEED_NUM_UNKNOWN) + return "Unknown"; + if (link_speed < ETH_SPEED_NUM_1G) { + snprintf(name, sizeof(name), "%u Mbps", link_speed); + } else if (link_speed % ETH_SPEED_NUM_1G != 0) { + snprintf(name, sizeof(name), "%.1f Gbps", + (double)link_speed / ETH_SPEED_NUM_1G); + } else { + snprintf(name, sizeof(name), "%u Gbps", + link_speed / ETH_SPEED_NUM_1G); } + + return (const char *)name; } int -- 2.33.0