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 50E7843699; Thu, 7 Dec 2023 12:55:09 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C298F42EEC; Thu, 7 Dec 2023 12:55:04 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id E216940295 for ; Thu, 7 Dec 2023 12:55:02 +0100 (CET) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B79PGwQ032040; Thu, 7 Dec 2023 03:55:01 -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=wqYoY4qwarjDmFsrDeurC1rfSLnG6RYkGuiG6Uoxgiw=; b=ZznVgLYqvICgWycNMneZGHJZVoChm/U9L2VaY0SMM2qg7JHk9ieCFdkpSCyjpIxahYPs +Ob27VPvVMtJQuY1VAZr6bK6kIAQjscn9EkFD4GrIPgpvpisQptsdAzDp0OKOndCfD2I bRLwjfmEtqY8217a6tqH+tnrav41kzNYlClJejjekER8id0D8Gff6AtgbuSLUr5lM6zC pt3MqRnCMPivF6IyUCYPTxJl3fROGgCtmTq1zHRRYVNm67jExKcmcqI+zAqMBy5DZm0y fty2m6b1iI8gn9pDNHFI2oaRUvMwoHba2UEgRfL95I5OCf7a0xzE2Kg2c+yrYiQAdkip zg== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3uubdd8ewu-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 07 Dec 2023 03:55:01 -0800 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; Thu, 7 Dec 2023 03:54:44 -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; Thu, 7 Dec 2023 03:54:44 -0800 Received: from localhost.localdomain (unknown [10.28.36.175]) by maili.marvell.com (Postfix) with ESMTP id A9E793F7093; Thu, 7 Dec 2023 03:54:42 -0800 (PST) From: Srujana Challa To: , , CC: , Subject: [PATCH 2/2] net/virtio-user: add VIRTIO_NET_F_RSS to supported features Date: Thu, 7 Dec 2023 17:24:39 +0530 Message-ID: <20231207115439.83247-2-schalla@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231207115439.83247-1-schalla@marvell.com> References: <20231207115439.83247-1-schalla@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: w2UJgPGNoBiTiHBFiaOl9ATNlEjYtrqg X-Proofpoint-GUID: w2UJgPGNoBiTiHBFiaOl9ATNlEjYtrqg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-07_09,2023-12-07_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 578877d089..f876cb6ed0 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) { @@ -687,7 +705,8 @@ 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, @@ -903,6 +922,11 @@ 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 *)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) { @@ -964,6 +988,11 @@ 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 *)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 29ec386da5..39b3eec0f2 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.h +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h @@ -86,6 +86,8 @@ 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 241465ecdd..6c10e8f6c0 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