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cfg802154: pass name_assign_type to rdev_add_virtual_intf()

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This code is based on commit 6bab2e19c5
("cfg80211: pass name_assign_type to rdev_add_virtual_intf()")

This will expose in sysfs whether the ifname of a IEEE-802.15.4
device is set by userspace or generated by the kernel.
We are using two types of name_assign_types
 o NET_NAME_ENUM: Default interface name provided by kernel
 o NET_NAME_USER: Interface name provided by user.

Signed-off-by: Varka Bhadram <[email protected]>
Signed-off-by: Alexander Aring <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
This commit is contained in:
Varka Bhadram 2015-04-30 17:44:57 +02:00 • committed by Marcel Holtmann
commit 5b4a103904
8 changed files with 27 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/ieee802154/nl-phy.c
View file

@ -175,6 +175,7 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
int rc = -ENOBUFS;
struct net_device *dev;
int type = __IEEE802154_DEV_INVALID;
unsigned char name_assign_type;
pr_debug("%s\n", __func__);
@ -190,8 +191,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
!= '\0')
return -EINVAL; /* phy name should be null-terminated */
name_assign_type = NET_NAME_USER;
} else {
devname = "wpan%d";
name_assign_type = NET_NAME_ENUM;
}
if (strlen(devname) >= IFNAMSIZ)
@ -221,7 +224,7 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
}
dev = rdev_add_virtual_intf_deprecated(wpan_phy_to_rdev(phy), devname,
type);
name_assign_type, type);
if (IS_ERR(dev)) {
rc = PTR_ERR(dev);
goto nla_put_failure;

2
net/ieee802154/nl802154.c
View file

@ -589,7 +589,7 @@ static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info)
return rdev_add_virtual_intf(rdev,
nla_data(info->attrs[NL802154_ATTR_IFNAME]),
type, extended_addr);
NET_NAME_USER, type, extended_addr);
}
static int nl802154_del_interface(struct sk_buff *skb, struct genl_info *info)

10
net/ieee802154/rdev-ops.h
View file

@ -8,10 +8,12 @@
static inline struct net_device *
rdev_add_virtual_intf_deprecated(struct cfg802154_registered_device *rdev,
const char *name, int type)
const char *name,
unsigned char name_assign_type,
int type)
{
return rdev->ops->add_virtual_intf_deprecated(&rdev->wpan_phy, name,
type);
name_assign_type, type);
}
static inline void
@ -23,13 +25,15 @@ rdev_del_virtual_intf_deprecated(struct cfg802154_registered_device *rdev,
static inline int
rdev_add_virtual_intf(struct cfg802154_registered_device *rdev, char *name,
unsigned char name_assign_type,
enum nl802154_iftype type, __le64 extended_addr)
{
int ret;
trace_802154_rdev_add_virtual_intf(&rdev->wpan_phy, name, type,
extended_addr);
ret = rdev->ops->add_virtual_intf(&rdev->wpan_phy, name, type,
ret = rdev->ops->add_virtual_intf(&rdev->wpan_phy, name,
name_assign_type, type,
extended_addr);
trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
return ret;