Linux IEEE 802.15.4 and 6LoWPAN development
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From: Varka Bhadram <varkabhadram@gmail.com>
To: linux-wpan@vger.kernel.org
Cc: alex.aring@gmail.com, Varka Bhadram <varkab@cdac.in>
Subject: Re: [RFC bluetooth-next] cfg802154: pass name_assign_type to rdev_add_virtual_intf()
Date: Tue, 28 Apr 2015 09:02:02 +0530	[thread overview]
Message-ID: <553EFF32.6020202@gmail.com> (raw)
In-Reply-To: <1429691836-29316-1-git-send-email-varkab@cdac.in>

On 04/22/2015 02:07 PM, Varka Bhadram wrote:

> This code is based on commit 6bab2e19c5ffd
> ("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 <varkab@cdac.in>
> ---
>  include/net/cfg802154.h      |    2 ++
>  net/ieee802154/nl-phy.c      |    1 +
>  net/ieee802154/nl802154.c    |    1 +
>  net/ieee802154/rdev-ops.h    |   10 +++++++---
>  net/mac802154/cfg.c          |    9 ++++++---
>  net/mac802154/ieee802154_i.h |    1 +
>  net/mac802154/iface.c        |    5 +++--
>  net/mac802154/main.c         |    3 ++-
>  8 files changed, 23 insertions(+), 9 deletions(-)
>
> diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
> index eeda676..6ea16c8 100644
> --- a/include/net/cfg802154.h
> +++ b/include/net/cfg802154.h
> @@ -30,11 +30,13 @@ struct wpan_phy_cca;
>  struct cfg802154_ops {
>  	struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
>  							   const char *name,
> +							   unsigned char name_assign_type,
>  							   int type);
>  	void	(*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
>  					       struct net_device *dev);
>  	int	(*add_virtual_intf)(struct wpan_phy *wpan_phy,
>  				    const char *name,
> +				    unsigned char name_assign_type,
>  				    enum nl802154_iftype type,
>  				    __le64 extended_addr);
>  	int	(*del_virtual_intf)(struct wpan_phy *wpan_phy,
> diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
> index 1b9d25f6..ac3462a 100644
> --- a/net/ieee802154/nl-phy.c
> +++ b/net/ieee802154/nl-phy.c
> @@ -221,6 +221,7 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
>  	}
>  
>  	dev = rdev_add_virtual_intf_deprecated(wpan_phy_to_rdev(phy), devname,
> +					       NET_NAME_ENUM,
>  					       type);
>  	if (IS_ERR(dev)) {
>  		rc = PTR_ERR(dev);
> diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
> index a4daf91..a7eb16d 100644
> --- a/net/ieee802154/nl802154.c
> +++ b/net/ieee802154/nl802154.c
> @@ -589,6 +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]),
> +				     NET_NAME_USER,
>  				     type, extended_addr);
>  }
>  
> diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
> index 7c46732..ced5ac3 100644
> --- a/net/ieee802154/rdev-ops.h
> +++ b/net/ieee802154/rdev-ops.h
> @@ -7,10 +7,12 @@
>  
>  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
> @@ -22,9 +24,11 @@ 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)
>  {
> -	return rdev->ops->add_virtual_intf(&rdev->wpan_phy, name, type,
> +	return rdev->ops->add_virtual_intf(&rdev->wpan_phy, name,
> +					   name_assign_type, type,
>  					   extended_addr);
>  }
>  
> diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c
> index 5d9f68c..41a167b 100644
> --- a/net/mac802154/cfg.c
> +++ b/net/mac802154/cfg.c
> @@ -22,13 +22,14 @@
>  
>  static struct net_device *
>  ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy,
> -				const char *name, int type)
> +				const char *name,
> +				unsigned char name_assign_type, int type)
>  {
>  	struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
>  	struct net_device *dev;
>  
>  	rtnl_lock();
> -	dev = ieee802154_if_add(local, name, type,
> +	dev = ieee802154_if_add(local, name, name_assign_type, type,
>  				cpu_to_le64(0x0000000000000000ULL));
>  	rtnl_unlock();
>  
> @@ -45,12 +46,14 @@ static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy,
>  
>  static int
>  ieee802154_add_iface(struct wpan_phy *phy, const char *name,
> +		     unsigned char name_assign_type,
>  		     enum nl802154_iftype type, __le64 extended_addr)
>  {
>  	struct ieee802154_local *local = wpan_phy_priv(phy);
>  	struct net_device *err;
>  
> -	err = ieee802154_if_add(local, name, type, extended_addr);
> +	err = ieee802154_if_add(local, name, name_assign_type,
> +				type, extended_addr);
>  	return PTR_ERR_OR_ZERO(err);
>  }
>  
> diff --git a/net/mac802154/ieee802154_i.h b/net/mac802154/ieee802154_i.h
> index bebd70f..35a5920 100644
> --- a/net/mac802154/ieee802154_i.h
> +++ b/net/mac802154/ieee802154_i.h
> @@ -182,6 +182,7 @@ void ieee802154_iface_exit(void);
>  void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata);
>  struct net_device *
>  ieee802154_if_add(struct ieee802154_local *local, const char *name,
> +		  unsigned char name_assign_type,
>  		  enum nl802154_iftype type, __le64 extended_addr);
>  void ieee802154_remove_interfaces(struct ieee802154_local *local);
>  
> diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
> index 38b56f9..91b75ab 100644
> --- a/net/mac802154/iface.c
> +++ b/net/mac802154/iface.c
> @@ -522,7 +522,8 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata,
>  
>  struct net_device *
>  ieee802154_if_add(struct ieee802154_local *local, const char *name,
> -		  enum nl802154_iftype type, __le64 extended_addr)
> +		  unsigned char name_assign_type, enum nl802154_iftype type,
> +		  __le64 extended_addr)
>  {
>  	struct net_device *ndev = NULL;
>  	struct ieee802154_sub_if_data *sdata = NULL;
> @@ -531,7 +532,7 @@ ieee802154_if_add(struct ieee802154_local *local, const char *name,
>  	ASSERT_RTNL();
>  
>  	ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, name,
> -			    NET_NAME_UNKNOWN, ieee802154_if_setup);
> +			    name_assign_type, ieee802154_if_setup);
>  	if (!ndev)
>  		return ERR_PTR(-ENOMEM);
>  
> diff --git a/net/mac802154/main.c b/net/mac802154/main.c
> index 8500378..68b9667 100644
> --- a/net/mac802154/main.c
> +++ b/net/mac802154/main.c
> @@ -161,7 +161,8 @@ int ieee802154_register_hw(struct ieee802154_hw *hw)
>  
>  	rtnl_lock();
>  
> -	dev = ieee802154_if_add(local, "wpan%d", NL802154_IFTYPE_NODE,
> +	dev = ieee802154_if_add(local, "wpan%d", NET_NAME_ENUM,
> +				NL802154_IFTYPE_NODE,
>  				cpu_to_le64(0x0000000000000000ULL));
>  	if (IS_ERR(dev)) {
>  		rtnl_unlock();

Ping ..?

-- 
Varka Bhadram


  reply	other threads:[~2015-04-28  3:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-22  8:37 [RFC bluetooth-next] cfg802154: pass name_assign_type to rdev_add_virtual_intf() Varka Bhadram
2015-04-28  3:32 ` Varka Bhadram [this message]
2015-04-28  7:37 ` Alexander Aring
2015-04-28  8:19   ` Varka Bhadram
2015-04-28  8:29     ` Alexander Aring
2015-04-28  8:30       ` Varka Bhadram

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