From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from netronome.com (host-79-78-33-110.static.as9105.net [79.78.33.110]) by dpdk.org (Postfix) with ESMTP id D77172B96 for ; Fri, 2 Dec 2016 10:05:56 +0100 (CET) Received: from netronome.com (localhost [127.0.0.1]) by netronome.com (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id uB295qPb010450 for ; Fri, 2 Dec 2016 09:05:52 GMT Received: (from alucero@localhost) by netronome.com (8.14.4/8.14.4/Submit) id uB295qK4010449 for dev@dpdk.org; Fri, 2 Dec 2016 09:05:52 GMT From: Alejandro Lucero To: dev@dpdk.org Date: Fri, 2 Dec 2016 09:05:52 +0000 Message-Id: <1480669552-10411-1-git-send-email-alejandro.lucero@netronome.com> X-Mailer: git-send-email 1.9.1 Subject: [dpdk-dev] [PATCH v3] nfp: report link speed using hardware info X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Dec 2016 09:05:57 -0000 Previous reported speed was hardcoded. v3: remove unsed macro v2: using RTE_DIM instead of own macro Signed-off-by: Alejandro Lucero --- drivers/net/nfp/nfp_net.c | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c index c6b1587..24f3164 100644 --- a/drivers/net/nfp/nfp_net.c +++ b/drivers/net/nfp/nfp_net.c @@ -816,6 +816,17 @@ static void nfp_net_read_mac(struct nfp_net_hw *hw) struct rte_eth_link link, old; uint32_t nn_link_status; + static const uint32_t ls_to_ethtool[] = { + [NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED] = ETH_SPEED_NUM_NONE, + [NFP_NET_CFG_STS_LINK_RATE_UNKNOWN] = ETH_SPEED_NUM_NONE, + [NFP_NET_CFG_STS_LINK_RATE_1G] = ETH_SPEED_NUM_1G, + [NFP_NET_CFG_STS_LINK_RATE_10G] = ETH_SPEED_NUM_10G, + [NFP_NET_CFG_STS_LINK_RATE_25G] = ETH_SPEED_NUM_25G, + [NFP_NET_CFG_STS_LINK_RATE_40G] = ETH_SPEED_NUM_40G, + [NFP_NET_CFG_STS_LINK_RATE_50G] = ETH_SPEED_NUM_50G, + [NFP_NET_CFG_STS_LINK_RATE_100G] = ETH_SPEED_NUM_100G, + }; + PMD_DRV_LOG(DEBUG, "Link update\n"); hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -831,8 +842,21 @@ static void nfp_net_read_mac(struct nfp_net_hw *hw) link.link_status = ETH_LINK_UP; link.link_duplex = ETH_LINK_FULL_DUPLEX; - /* Other cards can limit the tx and rx rate per VF */ - link.link_speed = ETH_SPEED_NUM_40G; + + nn_link_status = (nn_link_status >> NFP_NET_CFG_STS_LINK_RATE_SHIFT) & + NFP_NET_CFG_STS_LINK_RATE_MASK; + + if ((NFD_CFG_MAJOR_VERSION_of(hw->ver) < 4) || + ((NFD_CFG_MINOR_VERSION_of(hw->ver) == 4) && + (NFD_CFG_MINOR_VERSION_of(hw->ver) == 0))) + link.link_speed = ETH_SPEED_NUM_40G; + else { + if (nn_link_status == NFP_NET_CFG_STS_LINK_RATE_UNKNOWN || + nn_link_status >= RTE_DIM(ls_to_ethtool)) + link.link_speed = ETH_SPEED_NUM_NONE; + else + link.link_speed = ls_to_ethtool[nn_link_status]; + } if (old.link_status != link.link_status) { nfp_net_dev_atomic_write_link_status(dev, &link); -- 1.9.1