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nl80211/cfg80211: WoWLAN support

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This is based on (but now quite far from) the
original work from Luis and Eliad. Add support
for configuring WoWLAN triggers, and getting
the configuration out again. Changes from the
original patchset are too numerous to list,
but one important change needs highlighting:
the suspend() callback is passed NULL for the
trigger configuration if userspace has not
configured WoWLAN at all.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2011-05-04 15:37:28 +02:00
committed by John W. Linville
parent 8f7f3b2fcc
commit ff1b6e69ad
7 changed files with 439 additions and 4 deletions
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14
net/wireless/core.h
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@@ -70,6 +70,8 @@ struct cfg80211_registered_device {
struct work_struct conn_work;
struct work_struct event_work;
struct cfg80211_wowlan *wowlan;
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
@@ -89,6 +91,18 @@ bool wiphy_idx_valid(int wiphy_idx)
return wiphy_idx >= 0;
}
static inline void
cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
{
int i;
if (!rdev->wowlan)
return;
for (i = 0; i < rdev->wowlan->n_patterns; i++)
kfree(rdev->wowlan->patterns[i].mask);
kfree(rdev->wowlan->patterns);
kfree(rdev->wowlan);
}
extern struct workqueue_struct *cfg80211_wq;
extern struct mutex cfg80211_mutex;