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mac802154: add wpan_phy priv id

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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: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-11-12 03:36:51 +01:00 committed by Marcel Holtmann
parent 2789e6297f
commit 6322d50d87
4 changed files with 16 additions and 0 deletions
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8
include/net/cfg802154.h
View File

@ -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

3
net/mac802154/ieee802154_i.h
View File

@ -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)
{

2
net/mac802154/main.c
View File

@ -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;

3
net/mac802154/util.c
View File

@ -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);