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 76FA1439A6; Tue, 23 Jan 2024 11:55:36 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 464C840F16; Tue, 23 Jan 2024 11:55:33 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id 9C99840EE2 for ; Tue, 23 Jan 2024 11:55:31 +0100 (CET) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40N3s79e021347; Tue, 23 Jan 2024 02:55:30 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= pfpt0220; bh=oS8ulhdsw5b6nRBGC9NxNFM5BIUxpx9Z8acdefhj6As=; b=lJb vD3hI4s01HkMxgkldUtH7cpZB0wxa9GyW9cX/eA0KLsFRF1KTq3rZUGiSLHRn/VC VDttxjSXhu4gTps4/SaNbBDLOF4f0YXeS8q8a8LVomICa3W7VV3zQnvnoOsloAxC GDAXkOiE4JFcwg5YT/dku8HthK/0ELSfRxk1KSwTdGdBgdfXnXMt4R298vvSvsk3 8Hu5BwJI7bWREoQviz9uIEIIuIicsrnexHC51G3ARENiO01p+NWIzrMcIEtriWwH xWBjCUHedqKlAF6abDgEDGDxyxb3CRYyveQDEPhM3IvDSYHSf7C8kfgYpLPT+Bo4 29FEGQDlZaysd7M8f7A== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3vt5y215fv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 23 Jan 2024 02:55:30 -0800 (PST) Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 23 Jan 2024 02:55:28 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 23 Jan 2024 02:55:28 -0800 Received: from localhost.localdomain (unknown [10.28.36.175]) by maili.marvell.com (Postfix) with ESMTP id 95EFC3F707B; Tue, 23 Jan 2024 02:55:26 -0800 (PST) From: Srujana Challa To: , , CC: , Subject: [PATCH v2 2/2] net/virtio-user: add VIRTIO_NET_F_RSS to supported features Date: Tue, 23 Jan 2024 16:25:23 +0530 Message-ID: <20240123105523.751151-2-schalla@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240123105523.751151-1-schalla@marvell.com> References: <20231208053121.152929-1-schalla@marvell.com> <20240123105523.751151-1-schalla@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: gaAh8KGw4UsKRu7NirIgcKCeP5X_X3Q9 X-Proofpoint-ORIG-GUID: gaAh8KGw4UsKRu7NirIgcKCeP5X_X3Q9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-23_05,2024-01-23_01,2023-05-22_02 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 introduces new function to get rss device config and adds code to forward the RSS control command to backend through hw control queue if RSS feature is negotiated. This patch will help to negotiate VIRTIO_NET_F_RSS feature if vhost-vdpa backend supports RSS in HW. Signed-off-by: Srujana Challa --- .../net/virtio/virtio_user/virtio_user_dev.c | 31 ++++++++++++++++++- .../net/virtio/virtio_user/virtio_user_dev.h | 2 ++ drivers/net/virtio/virtio_user_ethdev.c | 3 ++ 3 files changed, 35 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 15b75dd802..d395fc1676 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c @@ -304,6 +304,24 @@ virtio_user_dev_init_max_queue_pairs(struct virtio_user_dev *dev, uint32_t user_ return 0; } +int +virtio_user_dev_get_rss_config(struct virtio_user_dev *dev, void *dst, size_t offset, int length) +{ + int ret = 0; + + if (!(dev->device_features & (1ULL << VIRTIO_NET_F_RSS))) + return -ENOTSUP; + + if (!dev->ops->get_config) + return -ENOTSUP; + + ret = dev->ops->get_config(dev, dst, offset, length); + if (ret) + PMD_DRV_LOG(ERR, "(%s) Failed to get rss config in device", dev->path); + + return ret; +} + int virtio_user_dev_set_mac(struct virtio_user_dev *dev) { @@ -682,7 +700,8 @@ virtio_user_free_vrings(struct virtio_user_dev *dev) 1ULL << VIRTIO_F_IN_ORDER | \ 1ULL << VIRTIO_F_VERSION_1 | \ 1ULL << VIRTIO_F_RING_PACKED | \ - 1ULL << VIRTIO_F_NOTIFICATION_DATA) + 1ULL << VIRTIO_F_NOTIFICATION_DATA | \ + 1ULL << VIRTIO_NET_F_RSS) int virtio_user_dev_init(struct virtio_user_dev *dev, char *path, uint16_t queues, @@ -894,6 +913,11 @@ virtio_user_handle_ctrl_msg_split(struct virtio_user_dev *dev, struct vring *vri queues = *(uint16_t *)(uintptr_t)vring->desc[idx_data].addr; status = virtio_user_handle_mq(dev, queues); + } else if (hdr->class == VIRTIO_NET_CTRL_MQ && hdr->cmd == VIRTIO_NET_CTRL_MQ_RSS_CONFIG) { + struct virtio_net_ctrl_rss *rss; + + rss = (struct virtio_net_ctrl_rss *)(uintptr_t)vring->desc[idx_data].addr; + status = virtio_user_handle_mq(dev, rss->max_tx_vq); } else if (hdr->class == VIRTIO_NET_CTRL_RX || hdr->class == VIRTIO_NET_CTRL_MAC || hdr->class == VIRTIO_NET_CTRL_VLAN) { @@ -955,6 +979,11 @@ virtio_user_handle_ctrl_msg_packed(struct virtio_user_dev *dev, queues = *(uint16_t *)(uintptr_t) vring->desc[idx_data].addr; status = virtio_user_handle_mq(dev, queues); + } else if (hdr->class == VIRTIO_NET_CTRL_MQ && hdr->cmd == VIRTIO_NET_CTRL_MQ_RSS_CONFIG) { + struct virtio_net_ctrl_rss *rss; + + rss = (struct virtio_net_ctrl_rss *)(uintptr_t)vring->desc[idx_data].addr; + status = virtio_user_handle_mq(dev, rss->max_tx_vq); } else if (hdr->class == VIRTIO_NET_CTRL_RX || hdr->class == VIRTIO_NET_CTRL_MAC || hdr->class == VIRTIO_NET_CTRL_VLAN) { diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.h b/drivers/net/virtio/virtio_user/virtio_user_dev.h index 671ba50c03..66400b3b62 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.h +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h @@ -85,6 +85,8 @@ int virtio_user_dev_update_status(struct virtio_user_dev *dev); int virtio_user_dev_update_link_state(struct virtio_user_dev *dev); int virtio_user_dev_set_mac(struct virtio_user_dev *dev); int virtio_user_dev_get_mac(struct virtio_user_dev *dev); +int virtio_user_dev_get_rss_config(struct virtio_user_dev *dev, void *dst, size_t offset, + int length); void virtio_user_dev_delayed_disconnect_handler(void *param); int virtio_user_dev_server_reconnect(struct virtio_user_dev *dev); extern const char * const virtio_user_backend_strings[]; diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c index aae4c53f32..bf9de36d8f 100644 --- a/drivers/net/virtio/virtio_user_ethdev.c +++ b/drivers/net/virtio/virtio_user_ethdev.c @@ -52,6 +52,9 @@ virtio_user_read_dev_config(struct virtio_hw *hw, size_t offset, if (offset == offsetof(struct virtio_net_config, max_virtqueue_pairs)) *(uint16_t *)dst = dev->max_queue_pairs; + + if (offset >= offsetof(struct virtio_net_config, rss_max_key_size)) + virtio_user_dev_get_rss_config(dev, dst, offset, length); } static void -- 2.25.1