| Commit message (Collapse) | Author | Age | Files | Lines |
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this as the final item in the linker set and not try others.
This stopped the fast frames IOCTLs from being called.
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module
is used.
Although the module _builds_, it fails to load because of a missing symbol from
ieee80211_tdma.c.
Specifics:
* Always build ieee80211_tdma.c in the module;
* only compile in the code if IEEE80211_SUPPORT_TDMA is defined.
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Reported by: bz
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wrong state.
The ieee80211_swbmiss() callout is not called with the ic lock held, so it's
quite possible the scheduler will run the callout during a state change.
This patch:
* changes the swbmiss callout to be locked by the ic lock
* enforces the ic lock being held across the beacon vap functions
by grabbing it inside beacon_miss() and beacon_swmiss().
This ensures that the ic lock is held (and thus the VAP state
stays constant) during beacon miss and software miss processing.
Since the callout is removed whilst the ic lock is held, it also
ensures that the ic lock can't be called during a state change
or exhibit any race conditions seen above.
Both Edgar and Joel report that this patch fixes the crash and
doesn't introduce new issues.
Reported by: Edgar Martinez <emartinez@kbcnetworks.com>
Reported by: Joel Dahl <joel@vnode.se>
Reported by: emaste
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vap->iv_bmiss_count == 0 in ieee80211_swbmiss because iv_swbmiss_task is
enqueued by taskqueue.
Reviewed by: rpaulo
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o add safety belt in vdetach for failed state block allocation
o fix dynamic change to tdma config; ERESTART may not result in
kicking the state machine so we need to explicitly mark the
beacon for update
Sponsored by:
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o replace DLT_IEEE802_11 support in net80211 with DLT_IEEE802_11_RADIO
and remove explicit bpf support from wireless drivers; drivers now
use ieee80211_radiotap_attach to setup shared data structures that
hold the radiotap header for each packet tx/rx
o remove rx timestamp from the rx path; it was used only by the tdma support
for debugging and was mostly useless due to it being 32-bits and mostly
unavailable
o track DLT_IEEE80211_RADIO bpf attachments and maintain per-vap and
per-com state when there are active taps
o track the number of monitor mode vaps
o use bpf tap and monitor mode vap state to decide when to collect radiotap
state and dispatch frames; drivers no longer explicitly directly check
bpf state or use bpf calls to tap frames
o handle radiotap state updates on channel change in net80211; drivers
should not do this (unless they bypass net80211 which is almost always
a mistake)
o update various drivers to be more consistent/correct in handling radiotap
o update ral to include TSF in radiotap'd frames
o add promisc mode callback to wi
Reviewed by: cbzimmer, rpaulo, thompsa
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for turboG operation
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o add #ifdef _KERNEL to superg+tdma include files so they can be used
by user code to get the protocol defs
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code is isolated
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configured; this allows us to remove an #ifdef
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be less than 1/sec
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o break out version-related code to simplify rev'ing the protocol
o add parameter validation macros so checks that appear multiple places
are consistent (and easy to change)
o add protocol version check when looking for a scan candidate
o improve scan debug output format
o rewrite beacon update handling to calculate a bitmask of changed values
and pass that down through the driver callback so drivers can optimize work
o do slot bounds check before use when parsing received beacons
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(so no scanning/roaming)
Reviewed by: Chris Anderson
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and xmit parameters. This makes it possible to use tdma on fractional
channels.
o add IEEE80211_MODE_HALF and IEEE80211_MODE_QUARTER; note these are
band-agnostic (may need revisiting)
o setup all default rates in ic_sup_rates instead of doing it only
for active modes; we need these to calculate the default tx parameters
which are not recalculated after a regulatory update (can't just
recalculate after installing a new channel list because we might
clobber user settings)
o remove special case code in ieee80211_get_suprates; this is now
a candidate for an inline or removal
o add various entries for new modes (roaming+tx params, wme, rate
mapping, scan set setup, country ie construction, tdma, basic rates)
Note these modes are intentionally not visible through if_media.
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on beacon miss
while here, remove a stray pointless write of iv_bmiss_count
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the 11n rates are pure guess
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o add net80211 support for a tdma vap that is built on top of the
existing adhoc-demo support
o add tdma scheduling of frame transmission to the ath driver; it's
conceivable other devices might be capable of this too in which case
they can make use of the 802.11 protocol additions etc.
o add minor bits to user tools that need to know: ifconfig to setup and
configure, new statistics in athstats, and new debug mask bits
While the architecture can support >2 slots in a TDMA BSS the current
design is intended (and tested) for only 2 slots.
Sponsored by: Intel
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