- initialize it properly in the bus front-ends (all 2, exept in wdc_pcmcia.c
for the "Sandisk CompactFlash Card" where it's set to 1)
- remplace hardcoded '2' by ata_channel->ch_ndrive in MI IDE drivers.
From Christos Zoulas in kern/32501.
In this case, the transfer count becomes larger than the reality,
and this fix works around it.
- Add missing bus_dmamap_unload() in attach failure path.
Wait for the SWR bit in ATW_PAR to turn to 0, instead of waiting
for the whole register to turn to 0.
For ease of comparison with a reference driver, re-order operations.
1 Only stop beacon generation on an ->INIT transition.
2 Merge AUTH and ASSOC cases, they do the same thing (tune
a new channel).
3 Start beacon generation in IBSS, AP, *and* "adhoc demo"
mode.
Cosmetic tweak: rewrap a statement.
to the h/w. This prevents a spurious call to atw_write_wep() later,
in IEEE80211_S_RUN state, when net80211 times-out ieee80211_nodes.
It is important to avoid a spurious atw_write_wep() call because
in IBSS mode, at least, WEP re-initialization reliably locks up
the transmitter.
XXX There must be a bug in atw_write_wep() that causes it to lock
XXX up the transmitter. I will revisit it later.
Duration and PLCP Length fields, and delete the abominable
atw_frame_setdurs() subroutine.
Make rtw(4) use the new ieee80211_compute_duration() calling
convention.
Add an ieee80211_key argument to ieee80211_compute_duration() and
lightly constify arguments. Get the crypto header length from the
key argument instead of blithely assuming a WEP header. Add some
inline documentation. Account for data padding (IEEE80211_F_DATAPAD).
and always call the simple_* locking functions. the locking functions
are compiled out if they are not needed anyway, so a separate option
for this doesn't gain anything.
this also fixes the serial console on my alpha ES40 (which doesn't make much
sense since the com driver should still be under the big lock on alpha,
but whatever).
ADAPTER_REQ_RUN_XFER context (which can be interrupt context), defer this
to the ADAPTER_REQ_GROW_RESOURCES callback.
Fix a panic in uvm reported by John R. Shannon on port-xen; patch tested on
ahc by me and on ahd by John.
1 Added new sysctl controls for debugging.
2 Improve detection & support for hardware WEP.
3 Revamp handling of transmit descriptor rings.
4 Reliably IFF_OACTIVE when transmit descriptors are available, to
stop the transmit section of the driver from freezing up.
5 Fix beacon transmission in adhoc and hostap modes. XXX There is
a wart in hostap mode, where beacons are transmitted at 1/2 the
correct rate. Load beacon descriptors when the RTW_INTR_BINT
interrupt arrives; schedule RTW_INTR_BINT 1ms ahead of the target
beacon time.
6 Recover more gracefully from tx/rx errors: avoid
transmitter/receiver/chip resets. Try to re-synchronize software
state with hardware state---e.g., load next descriptor pointer
from hardware.
7 Activate the transmit watchdog timer for beacons as well as other
packets.
8 Introduce rtw_idle() that waits for transmit DMA to finish; call
it before resetting the transmitter.
1 Reset both IFF_OACTIVE and the transmit watchdog timer in
appropriate places to avoid both wedging the transmit section
and spurious transmit timeouts.
2 Reset IFF_ALLMULTI at the top of atw_filter_setup so that the
NIC will filter the multicast packets we are not interested in
after we come out of promiscuous mode.
3 In atw_txdrain, count drained transmit descriptors to avoid
descriptor exhaustion.
message. In such case we would not update resid with the proper value
(eventually resid would not be updated at all if there was only one data
phase). To fix this, have the script save the offset in the data tables at
disconnect time if there was a transfer, and use this to compute the resid
if the current offset is 0.
Problem reported and patch tested by edwin, Roy Bixler and YAMAMOTO Takashi.
Fix kern/31990 by YAMAMOTO Takashi.
