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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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35
net/wireless/trace.h
View File

@@ -2333,6 +2333,41 @@ TRACE_EVENT(cfg80211_return_u32,
TP_printk("ret: %u", __entry->ret)
);
TRACE_EVENT(cfg80211_report_wowlan_wakeup,
TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
struct cfg80211_wowlan_wakeup *wakeup),
TP_ARGS(wiphy, wdev, wakeup),
TP_STRUCT__entry(
WIPHY_ENTRY
WDEV_ENTRY
__field(bool, disconnect)
__field(bool, magic_pkt)
__field(bool, gtk_rekey_failure)
__field(bool, eap_identity_req)
__field(bool, four_way_handshake)
__field(bool, rfkill_release)
__field(s32, pattern_idx)
__field(u32, packet_len)
__dynamic_array(u8, packet, wakeup->packet_present_len)
),
TP_fast_assign(
WIPHY_ASSIGN;
WDEV_ASSIGN;
__entry->disconnect = wakeup->disconnect;
__entry->magic_pkt = wakeup->magic_pkt;
__entry->gtk_rekey_failure = wakeup->gtk_rekey_failure;
__entry->eap_identity_req = wakeup->eap_identity_req;
__entry->four_way_handshake = wakeup->four_way_handshake;
__entry->rfkill_release = wakeup->rfkill_release;
__entry->pattern_idx = wakeup->pattern_idx;
__entry->packet_len = wakeup->packet_len;
if (wakeup->packet && wakeup->packet_present_len)
memcpy(__get_dynamic_array(packet), wakeup->packet,
wakeup->packet_present_len);
),
TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG)
);
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH