From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7F320A034D; Thu, 6 Aug 2020 10:41:51 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3559C1C033; Thu, 6 Aug 2020 10:41:50 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id B9CBB2C28; Thu, 6 Aug 2020 10:41:47 +0200 (CEST) IronPort-SDR: dX66WplG5X/JEXugZLGCRcWqsrDVJ3UpL9rQjryCrAMoazHiSMNkfe2HSxDcppLICNysXJftcU GsME6TU4hHGA== X-IronPort-AV: E=McAfee;i="6000,8403,9704"; a="237609347" X-IronPort-AV: E=Sophos;i="5.75,441,1589266800"; d="scan'208";a="237609347" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2020 01:41:46 -0700 IronPort-SDR: PzmcK1FSUbKcf63jIThPy6ZRwhoV9pUUl+KLaAPWVlN2KGjfhhUOoGVENX0skixVw4qZnGBVSt 1wMaoKBuPVKw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,441,1589266800"; d="scan'208";a="397184891" Received: from intel.sh.intel.com ([10.239.255.18]) by fmsmga001.fm.intel.com with ESMTP; 06 Aug 2020 01:41:44 -0700 From: Guinan Sun To: dev@dpdk.org Cc: Beilei Xing , Jeff Guo , Guinan Sun , stable@dpdk.org Date: Thu, 6 Aug 2020 08:16:41 +0000 Message-Id: <20200806081641.19916-1-guinanx.sun@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200730082539.24104-1-guinanx.sun@intel.com> References: <20200730082539.24104-1-guinanx.sun@intel.com> Subject: [dpdk-dev] [PATCH v3] net/i40e: fix link status 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" If the PF driver supports the new speed reporting capabilities then use link_event_adv instead of link_event to get the speed. Fixes: 2a73125b7041 ("i40evf: fix link info update") Cc: stable@dpdk.org Signed-off-by: Guinan Sun --- v3: * request the capability for i40evf v2: * modify commit log * add code comments * delete useless code --- drivers/net/i40e/base/virtchnl.h | 16 ++++++++++- drivers/net/i40e/i40e_ethdev_vf.c | 45 ++++++++++++++++++++++++++++--- 2 files changed, 57 insertions(+), 4 deletions(-) diff --git a/drivers/net/i40e/base/virtchnl.h b/drivers/net/i40e/base/virtchnl.h index 4f498ca45..9c64fd469 100644 --- a/drivers/net/i40e/base/virtchnl.h +++ b/drivers/net/i40e/base/virtchnl.h @@ -240,7 +240,8 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource); #define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000 #define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 #define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000 - +/* Define below the capability flags that are not offloads */ +#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080 #define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ VIRTCHNL_VF_OFFLOAD_VLAN | \ VIRTCHNL_VF_OFFLOAD_RSS_PF) @@ -536,10 +537,23 @@ enum virtchnl_event_codes { struct virtchnl_pf_event { enum virtchnl_event_codes event; union { + /* If the PF driver does not support the new speed reporting + * capabilities then use link_event else use link_event_adv to + * get the speed and link information. The ability to understand + * new speeds is indicated by setting the capability flag + * VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter + * in virtchnl_vf_resource struct and can be used to determine + * which link event struct to use below. + */ struct { enum virtchnl_link_speed link_speed; bool link_status; } link_event; + struct { + /* link_speed provided in Mbps */ + u32 link_speed; + u8 link_status; + } link_event_adv; } event_data; int severity; diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 69cab8e73..ccf5d8c57 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -469,7 +469,8 @@ i40evf_get_vf_resource(struct rte_eth_dev *dev) VIRTCHNL_VF_OFFLOAD_RSS_AQ | VIRTCHNL_VF_OFFLOAD_RSS_REG | VIRTCHNL_VF_OFFLOAD_VLAN | - VIRTCHNL_VF_OFFLOAD_RX_POLLING; + VIRTCHNL_VF_OFFLOAD_RX_POLLING | + VIRTCHNL_VF_CAP_ADV_LINK_SPEED; args.in_args = (uint8_t *)∩︀ args.in_args_size = sizeof(caps); } else { @@ -1386,8 +1387,46 @@ i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg, break; case VIRTCHNL_EVENT_LINK_CHANGE: PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event"); - vf->link_up = pf_msg->event_data.link_event.link_status; - vf->link_speed = pf_msg->event_data.link_event.link_speed; + + if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { + vf->link_up = + pf_msg->event_data.link_event_adv.link_status; + + switch (pf_msg->event_data.link_event_adv.link_speed) { + case ETH_SPEED_NUM_100M: + vf->link_speed = I40E_LINK_SPEED_100MB; + break; + case ETH_SPEED_NUM_1G: + vf->link_speed = I40E_LINK_SPEED_1GB; + break; + case ETH_SPEED_NUM_2_5G: + vf->link_speed = I40E_LINK_SPEED_2_5GB; + break; + case ETH_SPEED_NUM_5G: + vf->link_speed = I40E_LINK_SPEED_5GB; + break; + case ETH_SPEED_NUM_10G: + vf->link_speed = I40E_LINK_SPEED_10GB; + break; + case ETH_SPEED_NUM_20G: + vf->link_speed = I40E_LINK_SPEED_20GB; + break; + case ETH_SPEED_NUM_25G: + vf->link_speed = I40E_LINK_SPEED_25GB; + break; + case ETH_SPEED_NUM_40G: + vf->link_speed = I40E_LINK_SPEED_40GB; + break; + default: + vf->link_speed = I40E_LINK_SPEED_UNKNOWN; + break; + } + } else { + vf->link_up = + pf_msg->event_data.link_event.link_status; + vf->link_speed = + pf_msg->event_data.link_event.link_speed; + } break; case VIRTCHNL_EVENT_PF_DRIVER_CLOSE: PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event"); -- 2.17.1