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-rw-r--r--drivers/vdpa/ifcvf/ifcvf_main.c3
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c3
-rw-r--r--drivers/vdpa/vdpa.c38
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim_blk.c3
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim_net.c3
-rw-r--r--drivers/vdpa/vdpa_user/vduse_dev.c3
6 files changed, 46 insertions, 7 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index dcd648e1f7e7..6dc75ca70b37 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -499,7 +499,8 @@ static u32 get_dev_type(struct pci_dev *pdev)
return dev_type;
}
-static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name)
+static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
+ const struct vdpa_dev_set_config *config)
{
struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev;
struct ifcvf_adapter *adapter;
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index b5bd1a553256..6bbdc0ece707 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2482,7 +2482,8 @@ static int event_handler(struct notifier_block *nb, unsigned long event, void *p
return ret;
}
-static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name)
+static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
+ const struct vdpa_dev_set_config *add_config)
{
struct mlx5_vdpa_mgmtdev *mgtdev = container_of(v_mdev, struct mlx5_vdpa_mgmtdev, mgtdev);
struct virtio_net_config *config;
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 8fcbdda8590c..7332a74a4b00 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -14,7 +14,6 @@
#include <uapi/linux/vdpa.h>
#include <net/genetlink.h>
#include <linux/mod_devicetable.h>
-#include <linux/virtio_net.h>
#include <linux/virtio_ids.h>
static LIST_HEAD(mdev_head);
@@ -480,9 +479,15 @@ out:
return msg->len;
}
+#define VDPA_DEV_NET_ATTRS_MASK ((1 << VDPA_ATTR_DEV_NET_CFG_MACADDR) | \
+ (1 << VDPA_ATTR_DEV_NET_CFG_MTU))
+
static int vdpa_nl_cmd_dev_add_set_doit(struct sk_buff *skb, struct genl_info *info)
{
+ struct vdpa_dev_set_config config = {};
+ struct nlattr **nl_attrs = info->attrs;
struct vdpa_mgmt_dev *mdev;
+ const u8 *macaddr;
const char *name;
int err = 0;
@@ -491,6 +496,26 @@ static int vdpa_nl_cmd_dev_add_set_doit(struct sk_buff *skb, struct genl_info *i
name = nla_data(info->attrs[VDPA_ATTR_DEV_NAME]);
+ if (nl_attrs[VDPA_ATTR_DEV_NET_CFG_MACADDR]) {
+ macaddr = nla_data(nl_attrs[VDPA_ATTR_DEV_NET_CFG_MACADDR]);
+ memcpy(config.net.mac, macaddr, sizeof(config.net.mac));
+ config.mask |= (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR);
+ }
+ if (nl_attrs[VDPA_ATTR_DEV_NET_CFG_MTU]) {
+ config.net.mtu =
+ nla_get_u16(nl_attrs[VDPA_ATTR_DEV_NET_CFG_MTU]);
+ config.mask |= (1 << VDPA_ATTR_DEV_NET_CFG_MTU);
+ }
+
+ /* Skip checking capability if user didn't prefer to configure any
+ * device networking attributes. It is likely that user might have used
+ * a device specific method to configure such attributes or using device
+ * default attributes.
+ */
+ if ((config.mask & VDPA_DEV_NET_ATTRS_MASK) &&
+ !netlink_capable(skb, CAP_NET_ADMIN))
+ return -EPERM;
+
mutex_lock(&vdpa_dev_mutex);
mdev = vdpa_mgmtdev_get_from_attr(info->attrs);
if (IS_ERR(mdev)) {
@@ -498,8 +523,14 @@ static int vdpa_nl_cmd_dev_add_set_doit(struct sk_buff *skb, struct genl_info *i
err = PTR_ERR(mdev);
goto err;
}
+ if ((config.mask & mdev->config_attr_mask) != config.mask) {
+ NL_SET_ERR_MSG_MOD(info->extack,
+ "All provided attributes are not supported");
+ err = -EOPNOTSUPP;
+ goto err;
+ }
- err = mdev->ops->dev_add(mdev, name);
+ err = mdev->ops->dev_add(mdev, name, &config);
err:
mutex_unlock(&vdpa_dev_mutex);
return err;
@@ -835,6 +866,9 @@ static const struct nla_policy vdpa_nl_policy[VDPA_ATTR_MAX + 1] = {
[VDPA_ATTR_MGMTDEV_BUS_NAME] = { .type = NLA_NUL_STRING },
[VDPA_ATTR_MGMTDEV_DEV_NAME] = { .type = NLA_STRING },
[VDPA_ATTR_DEV_NAME] = { .type = NLA_STRING },
+ [VDPA_ATTR_DEV_NET_CFG_MACADDR] = NLA_POLICY_ETH_ADDR,
+ /* virtio spec 1.1 section 5.1.4.1 for valid MTU range */
+ [VDPA_ATTR_DEV_NET_CFG_MTU] = NLA_POLICY_MIN(NLA_U16, 68),
};
static const struct genl_ops vdpa_nl_ops[] = {
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
index a790903f243e..42d401d43911 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
@@ -248,7 +248,8 @@ static struct device vdpasim_blk_mgmtdev = {
.release = vdpasim_blk_mgmtdev_release,
};
-static int vdpasim_blk_dev_add(struct vdpa_mgmt_dev *mdev, const char *name)
+static int vdpasim_blk_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
+ const struct vdpa_dev_set_config *config)
{
struct vdpasim_dev_attr dev_attr = {};
struct vdpasim *simdev;
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
index a1ab6163f7d1..d681e423e64f 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
@@ -126,7 +126,8 @@ static struct device vdpasim_net_mgmtdev = {
.release = vdpasim_net_mgmtdev_release,
};
-static int vdpasim_net_dev_add(struct vdpa_mgmt_dev *mdev, const char *name)
+static int vdpasim_net_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
+ const struct vdpa_dev_set_config *config)
{
struct vdpasim_dev_attr dev_attr = {};
struct vdpasim *simdev;
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 841667a896dd..c9204c62f339 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -1503,7 +1503,8 @@ static int vduse_dev_init_vdpa(struct vduse_dev *dev, const char *name)
return 0;
}
-static int vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name)
+static int vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
+ const struct vdpa_dev_set_config *config)
{
struct vduse_dev *dev;
int ret;