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cfg80211/mac80211: support reporting wakeup reason

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When waking up from WoWLAN, it is useful to know
what triggered the wakeup. Support reporting the
wakeup reason(s) in cfg80211 (and a pass-through
in mac80211) to allow userspace to know.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2013-01-22 12:34:29 +01:00
parent 3b144658bc
commit cd8f7cb4e6
6 changed files with 226 additions and 0 deletions
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41
include/net/cfg80211.h
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@@ -1596,6 +1596,32 @@ struct cfg80211_wowlan {
int n_patterns;
};
/**
* struct cfg80211_wowlan_wakeup - wakeup report
* @disconnect: woke up by getting disconnected
* @magic_pkt: woke up by receiving magic packet
* @gtk_rekey_failure: woke up by GTK rekey failure
* @eap_identity_req: woke up by EAP identity request packet
* @four_way_handshake: woke up by 4-way handshake
* @rfkill_release: woke up by rfkill being released
* @pattern_idx: pattern that caused wakeup, -1 if not due to pattern
* @packet_present_len: copied wakeup packet data
* @packet_len: original wakeup packet length
* @packet: The packet causing the wakeup, if any.
* @packet_80211: For pattern match, magic packet and other data
* frame triggers an 802.3 frame should be reported, for
* disconnect due to deauth 802.11 frame. This indicates which
* it is.
*/
struct cfg80211_wowlan_wakeup {
bool disconnect, magic_pkt, gtk_rekey_failure,
eap_identity_req, four_way_handshake,
rfkill_release, packet_80211;
s32 pattern_idx;
u32 packet_present_len, packet_len;
const void *packet;
};
/**
* struct cfg80211_gtk_rekey_data - rekey data
* @kek: key encryption key
@@ -3852,6 +3878,21 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
enum ieee80211_p2p_attr_id attr,
u8 *buf, unsigned int bufsize);
/**
* cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
* @wdev: the wireless device reporting the wakeup
* @wakeup: the wakeup report
* @gfp: allocation flags
*
* This function reports that the given device woke up. If it
* caused the wakeup, report the reason(s), otherwise you may
* pass %NULL as the @wakeup parameter to advertise that something
* else caused the wakeup.
*/
void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
struct cfg80211_wowlan_wakeup *wakeup,
gfp_t gfp);
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */