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Commit 6322d50d authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
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mac802154: add wpan_phy priv id 



This patch adds an unique id for an wpan_phy. This behaviour is mostly
grabbed from wireless stack. This is needed for upcomming patches which
identify the wpan netdev while NETDEV_CHANGENAME in netdev notify function.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 2789e629

include/net/cfg802154.h

+8 −0
Original line number Diff line number Diff line
@@ -42,6 +42,14 @@ struct cfg802154_ops { 
struct wpan_phy {

	struct mutex pib_lock;



	/* If multiple wpan_phys are registered and you're handed e.g.

	 * a regular netdev with assigned ieee802154_ptr, you won't

	 * know whether it points to a wpan_phy your driver has registered

	 * or not. Assign this to something global to your driver to

	 * help determine whether you own this wpan_phy or not.

	 */

	const void *privid;



	/*

	 * This is a PIB according to 802.15.4-2011.

	 * We do not provide timing-related variables, as they

net/mac802154/ieee802154_i.h

+3 −0
Original line number Diff line number Diff line
@@ -96,6 +96,9 @@ struct ieee802154_sub_if_data { 


#define MAC802154_CHAN_NONE		0xff /* No channel is assigned */



/* utility functions/constants */

extern const void *const mac802154_wpan_phy_privid; /*  for wpan_phy privid */



static inline struct ieee802154_local *

hw_to_local(struct ieee802154_hw *hw)

{

net/mac802154/main.c

+2 −0
Original line number Diff line number Diff line
@@ -92,6 +92,8 @@ ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops) 
		return NULL;

	}



	phy->privid = mac802154_wpan_phy_privid;



	local = wpan_phy_priv(phy);

	local->phy = phy;

	local->hw.phy = local->phy;

net/mac802154/util.c

+3 −0
Original line number Diff line number Diff line
@@ -15,6 +15,9 @@ 


#include "ieee802154_i.h"



/* privid for wpan_phys to determine whether they belong to us or not */

const void *const mac802154_wpan_phy_privid = &mac802154_wpan_phy_privid;



void ieee802154_wake_queue(struct ieee802154_hw *hw)

{

	struct ieee802154_local *local = hw_to_local(hw);