From nobody Tue Dec 16 12:47:48 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA2EBC125 for ; Mon, 22 Jul 2024 01:06:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721610408; cv=none; b=EY0Alm2Z3UDbGHclu/3gCwwJXRXOo3Wr4nU3BxpItRS9jEGQdnMeLrrFuxEjsY6QjPBjrT/Ab8UfjmBcJE9UfFaZzbJvxghlMnZWfFrqWrGDMYPFn82GtrbxHq1qDaM/EtXqnrgBXXMBElUoa9yRwrKm4pq3JhXvNX+Z8wMxU5I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721610408; c=relaxed/simple; bh=cAQ8+qM16l7GyTaYbjnbEjvXVwilTUhFDaBQgG7U800=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=C5kwki5NRjoAsGeHiYJkjBtD5QEgPb6mRcouS3dBqmiGyp8je+KKHx+YoWQ3sfFRcyJQK05/dSHUNi3DUJb3MTijAYj8RCzxqQhORTIbTGs1hFSB+OjXJ4DmnDq9y/f4h4/0FqAJfGx+LxDYvEycfdIozJ6bl6EAPi6dbV8Kp3s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=KNagj6pc; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="KNagj6pc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721610405; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dBVhMi8j8tkf4NJc2ePQoKDV+1xaoPFqwO84E+bM5sU=; b=KNagj6pcfTsLW1zk6ldQgLQKaZ3QczqSmLJw0TfMSjvU+FdXYFiVyJ1GSpmKUP3rGlhsBB uMyV/Z4liRrD2v5kk48uga14KIlS6JRMe82QHgwOFyNgSsgbRze0ymNmufIfTKcMK9vH0e Fiv7/Nze9ql0n76xiNj1e8sYSHpk+Xs= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-688-mPnOjeBfOsGArst0iHj6Ag-1; Sun, 21 Jul 2024 21:06:42 -0400 X-MC-Unique: mPnOjeBfOsGArst0iHj6Ag-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 67A47195609E; Mon, 22 Jul 2024 01:06:41 +0000 (UTC) Received: from server.redhat.com (unknown [10.72.112.22]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 959DD195605A; Mon, 22 Jul 2024 01:06:36 +0000 (UTC) From: Cindy Lu To: lulu@redhat.com, dtatulea@nvidia.com, mst@redhat.com, jasowang@redhat.com, parav@nvidia.com, sgarzare@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATH v4 1/3] vdpa: support set mac address from vdpa tool Date: Mon, 22 Jul 2024 09:05:18 +0800 Message-ID: <20240722010625.1016854-2-lulu@redhat.com> In-Reply-To: <20240722010625.1016854-1-lulu@redhat.com> References: <20240722010625.1016854-1-lulu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Content-Type: text/plain; charset="utf-8" Add new UAPI to support the mac address from vdpa tool Function vdpa_nl_cmd_dev_attr_set_doit() will get the new MAC address from the vdpa tool and then set it to the device. The usage is: vdpa dev set name vdpa_name mac **:**:**:**:**:** Here is example: root@L1# vdpa -jp dev config show vdpa0 { "config": { "vdpa0": { "mac": "82:4d:e9:5d:d7:e6", "link ": "up", "link_announce ": false, "mtu": 1500 } } } root@L1# vdpa dev set name vdpa0 mac 00:11:22:33:44:55 root@L1# vdpa -jp dev config show vdpa0 { "config": { "vdpa0": { "mac": "00:11:22:33:44:55", "link ": "up", "link_announce ": false, "mtu": 1500 } } } Signed-off-by: Cindy Lu --- drivers/vdpa/vdpa.c | 84 +++++++++++++++++++++++++++++++++++++++ include/linux/vdpa.h | 9 +++++ include/uapi/linux/vdpa.h | 1 + 3 files changed, 94 insertions(+) diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index 8d391947eb8d..07d61ee62839 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -1361,6 +1361,85 @@ static int vdpa_nl_cmd_dev_config_get_doit(struct sk= _buff *skb, struct genl_info return err; } =20 +static int vdpa_dev_net_device_attr_set(struct vdpa_device *vdev, + struct genl_info *info) +{ + struct vdpa_dev_set_config set_config =3D {}; + const u8 *macaddr; + struct vdpa_mgmt_dev *mdev =3D vdev->mdev; + struct nlattr **nl_attrs =3D info->attrs; + int err =3D -EINVAL; + + if (!vdev->mdev) + return -EINVAL; + + down_write(&vdev->cf_lock); + if ((mdev->supported_features & BIT_ULL(VIRTIO_NET_F_MAC)) && + nl_attrs[VDPA_ATTR_DEV_NET_CFG_MACADDR]) { + set_config.mask |=3D BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MACADDR); + macaddr =3D nla_data(nl_attrs[VDPA_ATTR_DEV_NET_CFG_MACADDR]); + + if (is_valid_ether_addr(macaddr)) { + memcpy(set_config.net.mac, macaddr, ETH_ALEN); + if (mdev->ops->dev_set_attr) { + err =3D mdev->ops->dev_set_attr(mdev, vdev, + &set_config); + } else { + NL_SET_ERR_MSG_FMT_MOD(info->extack, + "device not supported"); + } + } else { + NL_SET_ERR_MSG_FMT_MOD(info->extack, + "Invalid MAC address"); + } + } + up_write(&vdev->cf_lock); + return err; +} +static int vdpa_nl_cmd_dev_attr_set_doit(struct sk_buff *skb, + struct genl_info *info) +{ + const char *name; + int err =3D 0; + struct device *dev; + struct vdpa_device *vdev; + u64 classes; + + if (!info->attrs[VDPA_ATTR_DEV_NAME]) + return -EINVAL; + + name =3D nla_data(info->attrs[VDPA_ATTR_DEV_NAME]); + + down_write(&vdpa_dev_lock); + dev =3D bus_find_device(&vdpa_bus, NULL, name, vdpa_name_match); + if (!dev) { + NL_SET_ERR_MSG_MOD(info->extack, "device not found"); + err =3D -ENODEV; + goto dev_err; + } + vdev =3D container_of(dev, struct vdpa_device, dev); + if (!vdev->mdev) { + NL_SET_ERR_MSG_MOD( + info->extack, + "Fail to find the specified management device"); + err =3D -EINVAL; + goto mdev_err; + } + classes =3D vdpa_mgmtdev_get_classes(vdev->mdev, NULL); + if (classes & BIT_ULL(VIRTIO_ID_NET)) { + err =3D vdpa_dev_net_device_attr_set(vdev, info); + } else { + NL_SET_ERR_MSG_FMT_MOD(info->extack, "%s device not supported", + name); + } + +mdev_err: + put_device(dev); +dev_err: + up_write(&vdpa_dev_lock); + return err; +} + static int vdpa_dev_config_dump(struct device *dev, void *data) { struct vdpa_device *vdev =3D container_of(dev, struct vdpa_device, dev); @@ -1497,6 +1576,11 @@ static const struct genl_ops vdpa_nl_ops[] =3D { .doit =3D vdpa_nl_cmd_dev_stats_get_doit, .flags =3D GENL_ADMIN_PERM, }, + { + .cmd =3D VDPA_CMD_DEV_ATTR_SET, + .doit =3D vdpa_nl_cmd_dev_attr_set_doit, + .flags =3D GENL_ADMIN_PERM, + }, }; =20 static struct genl_family vdpa_nl_family __ro_after_init =3D { diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 7977ca03ac7a..3511156c10db 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -582,11 +582,20 @@ void vdpa_set_status(struct vdpa_device *vdev, u8 sta= tus); * @dev: vdpa device to remove * Driver need to remove the specified device by calling * _vdpa_unregister_device(). + * @dev_set_attr: change a vdpa device's attr after it was create + * @mdev: parent device to use for device + * @dev: vdpa device structure + * @config:Attributes to be set for the device. + * The driver needs to check the mask of the structure and then set + * the related information to the vdpa device. The driver must return= 0 + * if set successfully. */ struct vdpa_mgmtdev_ops { int (*dev_add)(struct vdpa_mgmt_dev *mdev, const char *name, const struct vdpa_dev_set_config *config); void (*dev_del)(struct vdpa_mgmt_dev *mdev, struct vdpa_device *dev); + int (*dev_set_attr)(struct vdpa_mgmt_dev *mdev, struct vdpa_device *dev, + const struct vdpa_dev_set_config *config); }; =20 /** diff --git a/include/uapi/linux/vdpa.h b/include/uapi/linux/vdpa.h index 842bf1201ac4..71edf2c70cc3 100644 --- a/include/uapi/linux/vdpa.h +++ b/include/uapi/linux/vdpa.h @@ -19,6 +19,7 @@ enum vdpa_command { VDPA_CMD_DEV_GET, /* can dump */ VDPA_CMD_DEV_CONFIG_GET, /* can dump */ VDPA_CMD_DEV_VSTATS_GET, + VDPA_CMD_DEV_ATTR_SET, }; =20 enum vdpa_attr { --=20 2.45.0 From nobody Tue Dec 16 12:47:48 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C88EF10940 for ; Mon, 22 Jul 2024 01:06:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721610414; cv=none; b=spZ1t3iU//fV8OERXOeyEO1IZ9tqdiVkTC+bTzR19/U4WnY48/bpJvGgWkmWpiuEQzTfQMTgHs6OVtiBJM1H9QeoUZvKDcg25bkentb/pgYaAlPlRk8tAlUbmeGS/Xuj/9gRR8r7Pu8GNE1TvavPn1q3DCyN5PFN/eF4hoUXHLM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721610414; c=relaxed/simple; bh=YlgBd52tDp0ELLAhudJbHc5ZsTK4ruEZDV/AMZxlW9I=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XEcRpv+Hjb9ZUaoI/InRgvC04MzdcMlYWGuchSxn6VsfQr5oEA4UBEwaxiuxD/CaTGtwS/Sw4/KjmL8W1WkmjeHU/9sDbLPPQNZacyh5rvYPJEYD+aJ2ijnclbG7lwVtvoaaiMsC610zntgJuX8O+J24LASR56s9VctWv1RPvgA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=czezd4uD; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="czezd4uD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721610411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=slQyrjhTwLXhRJi7KIDsmKXTj3WUm9y9lo/YxO259so=; b=czezd4uDv7mldFILGbc15qbIs2Ird0nll9TjhkWTHCEU6bfUw9IYtOhjsko02F1pg/CPOp LkDo6+7x8AEm1d7imoirnqUVtcg6g8xxYjBxFbexhlwmyaGec0DBzSaGzujtQQujdHwM9V 76AT3I9EWeHv4nW6VzopAPi9bZ4DAC8= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-548-AQjAT5RnP2ehu83NVECDNw-1; Sun, 21 Jul 2024 21:06:48 -0400 X-MC-Unique: AQjAT5RnP2ehu83NVECDNw-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2CC1F19560AA; Mon, 22 Jul 2024 01:06:47 +0000 (UTC) Received: from server.redhat.com (unknown [10.72.112.22]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0F697195605A; Mon, 22 Jul 2024 01:06:41 +0000 (UTC) From: Cindy Lu To: lulu@redhat.com, dtatulea@nvidia.com, mst@redhat.com, jasowang@redhat.com, parav@nvidia.com, sgarzare@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATH v4 2/3] vdpa_sim_net: Add the support of set mac address Date: Mon, 22 Jul 2024 09:05:19 +0800 Message-ID: <20240722010625.1016854-3-lulu@redhat.com> In-Reply-To: <20240722010625.1016854-1-lulu@redhat.com> References: <20240722010625.1016854-1-lulu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Content-Type: text/plain; charset="utf-8" Add the function to support setting the MAC address. For vdpa_sim_net, the driver will write the MAC address to the config space, and other devices can implement their own functions to support this. Signed-off-by: Cindy Lu Acked-by: Jason Wang --- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/v= dpa_sim_net.c index cfe962911804..936e33e5021a 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -414,6 +414,25 @@ static void vdpasim_net_get_config(struct vdpasim *vdp= asim, void *config) net_config->status =3D cpu_to_vdpasim16(vdpasim, VIRTIO_NET_S_LINK_UP); } =20 +static int vdpasim_net_set_attr(struct vdpa_mgmt_dev *mdev, + struct vdpa_device *dev, + const struct vdpa_dev_set_config *config) +{ + struct vdpasim *vdpasim =3D container_of(dev, struct vdpasim, vdpa); + struct virtio_net_config *vio_config =3D vdpasim->config; + + mutex_lock(&vdpasim->mutex); + + if (config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { + memcpy(vio_config->mac, config->net.mac, ETH_ALEN); + mutex_unlock(&vdpasim->mutex); + return 0; + } + + mutex_unlock(&vdpasim->mutex); + return -EINVAL; +} + static void vdpasim_net_setup_config(struct vdpasim *vdpasim, const struct vdpa_dev_set_config *config) { @@ -510,7 +529,8 @@ static void vdpasim_net_dev_del(struct vdpa_mgmt_dev *m= dev, =20 static const struct vdpa_mgmtdev_ops vdpasim_net_mgmtdev_ops =3D { .dev_add =3D vdpasim_net_dev_add, - .dev_del =3D vdpasim_net_dev_del + .dev_del =3D vdpasim_net_dev_del, + .dev_set_attr =3D vdpasim_net_set_attr }; =20 static struct virtio_device_id id_table[] =3D { --=20 2.45.0 From nobody Tue Dec 16 12:47:48 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D18F515E86 for ; Mon, 22 Jul 2024 01:06:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; 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Mon, 22 Jul 2024 01:06:52 +0000 (UTC) Received: from server.redhat.com (unknown [10.72.112.22]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7C69A195605A; Mon, 22 Jul 2024 01:06:47 +0000 (UTC) From: Cindy Lu To: lulu@redhat.com, dtatulea@nvidia.com, mst@redhat.com, jasowang@redhat.com, parav@nvidia.com, sgarzare@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATH v4 3/3] vdpa/mlx5: Add the support of set mac address Date: Mon, 22 Jul 2024 09:05:20 +0800 Message-ID: <20240722010625.1016854-4-lulu@redhat.com> In-Reply-To: <20240722010625.1016854-1-lulu@redhat.com> References: <20240722010625.1016854-1-lulu@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Content-Type: text/plain; charset="utf-8" Add the function to support setting the MAC address. For vdpa/mlx5, the function will use mlx5_mpfs_add_mac to set the mac address Tested in ConnectX-6 Dx device Signed-off-by: Cindy Lu --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5= _vnet.c index ecfc16151d61..415b527a9c72 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -3785,10 +3785,35 @@ static void mlx5_vdpa_dev_del(struct vdpa_mgmt_dev = *v_mdev, struct vdpa_device * destroy_workqueue(wq); mgtdev->ndev =3D NULL; } +static int mlx5_vdpa_set_attr(struct vdpa_mgmt_dev *v_mdev, + struct vdpa_device *dev, + const struct vdpa_dev_set_config *add_config) +{ + struct mlx5_vdpa_dev *mvdev; + struct mlx5_vdpa_net *ndev; + struct mlx5_core_dev *mdev; + struct virtio_net_config *config; + struct mlx5_core_dev *pfmdev; + int err =3D -EOPNOTSUPP; + + mvdev =3D to_mvdev(dev); + ndev =3D to_mlx5_vdpa_ndev(mvdev); + mdev =3D mvdev->mdev; + config =3D &ndev->config; + + if (add_config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) { + pfmdev =3D pci_get_drvdata(pci_physfn(mdev->pdev)); + err =3D mlx5_mpfs_add_mac(pfmdev, config->mac); + if (!err) + memcpy(config->mac, add_config->net.mac, ETH_ALEN); + } + return err; +} =20 static const struct vdpa_mgmtdev_ops mdev_ops =3D { .dev_add =3D mlx5_vdpa_dev_add, .dev_del =3D mlx5_vdpa_dev_del, + .dev_set_attr =3D mlx5_vdpa_set_attr, }; =20 static struct virtio_device_id id_table[] =3D { --=20 2.45.0