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Differential D4054

net80211: add watchdog routines
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Authored by avos on Oct 31 2015, 10:50 PM.
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adrian
Summary

This implementation should replace driver-level watchdog implementations (and, as a result, reduce size of driver-specific code).

The watchdog can be enabled via
ic->ic_flags_ext |= IEEE80211_FEXT_WATCHDOG;
code line before calling ieee80211_ifattach();

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rS FreeBSD src repository - subversion
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avos updated this revision to Diff 9857.Oct 31 2015, 10:50 PM
avos retitled this revision from to net80211: add watchdog routines.
avos updated this object.
avos edited the test plan for this revision. (Show Details)
avos added a reviewer: adrian.
avos set the repository for this revision to rS FreeBSD src repository - subversion.
Herald added a subscriber: imp. · View Herald TranscriptOct 31 2015, 10:50 PM
avos updated this revision to Diff 9870.Nov 1 2015, 10:40 PM
  • Call ieee80211_tx_watchdog_refresh() before calling ic_transmit() / ic_raw_xmit(); that adds a possibility to call it from the callee error handler.
  • Update watchdog timer only when transmission occurs.
  • Add few more checks.
avos updated this revision to Diff 10556.Nov 28 2015, 11:58 PM

Fix race between ieee80211_tx_watchdog_stop() and ieee80211_tx_watchdog_refresh().

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Diff 10556

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sys/net80211/ieee80211.c

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sys/net80211/ieee80211_freebsd.h

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sys/net80211/ieee80211_freebsd.c

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sys/net80211/ieee80211_output.c

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sys/net80211/ieee80211_proto.c

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sys/net80211/ieee80211_var.h

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