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a108d2d6c6
freebsd-nq/sys/dev/ath
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Adrian Chadd a108d2d6c6 Revert r233227 and followup commits as it breaks CCMP PN replay detection. 
This showed up when doing heavy UDP throughput on SMP machines.

The problem with this is because the 802.11 sequence number is being
allocated separately to the CCMP PN replay number (which is assigned
during ieee80211_crypto_encap()).

Under significant throughput (200+ MBps) the TX path would be stressed
enough that frame TX/retry would force sequence number and PN allocation
to be out of order.  So once the frames were reordered via 802.11 seqnos,
the CCMP PN would be far out of order, causing most frames to be discarded
by the receiver.

I've fixed this in some local work by being forced to:

  (a) deal with the issues that lead to the parallel TX causing out of
      order sequence numbers in the first place;
  (b) fix all the packet queuing issues which lead to strange (but mostly
      valid) TX.

I'll begin fixing these in a subsequent commit or five.

PR:		kern/166190
2012-06-11 06:59:28 +00:00
..
ath_dfs/null Contribute some example code which demonstrates how to initialise the 2012-02-06 20:23:21 +00:00
ath_hal Add the AR9280 workarounds for PCIe suspend/resume. 2012-05-26 01:36:25 +00:00
ath_rate Add in some debugging code to check whether the current rate table has 2012-02-26 06:04:44 +00:00
ah_osdep.c Stop using the hardware register value byte order swapping for now, 2012-04-19 03:26:21 +00:00
ah_osdep.h Add placeholder methods for WMI command access (USB, perhaps SDIO later) 2012-04-25 01:42:22 +00:00
if_ath_ahb.c Begin merging in some of my 802.11n TX aggregation driver changes. 2011-11-08 02:12:11 +00:00
if_ath_beacon.c Migrate most of the beacon handling functions out to if_ath_beacon.c. 2012-05-20 04:14:29 +00:00
if_ath_beacon.h Migrate most of the beacon handling functions out to if_ath_beacon.c. 2012-05-20 04:14:29 +00:00
if_ath_debug.c Revert r233227 and followup commits as it breaks CCMP PN replay detection. 2012-06-11 06:59:28 +00:00
if_ath_debug.h Migrate ath_debug and sc_debug from an int to a uint64_t / QUAD; 2012-05-15 23:39:37 +00:00
if_ath_keycache.c Add a 'vap' to ath_keyset(). 2011-11-08 19:25:52 +00:00
if_ath_keycache.h Add a 'vap' to ath_keyset(). 2011-11-08 19:25:52 +00:00
if_ath_led.c Since the only thing with a mux is the AR5416 and later, and we're now 2011-12-26 07:48:29 +00:00
if_ath_led.h Refactor out the software LED config code into a common function, called 2011-12-26 05:46:22 +00:00
if_ath_misc.h Mostly revert previous commit(s). After doing a bunch of local testing, 2012-06-05 06:03:55 +00:00
if_ath_pci.c Override some default values to work around various issues in the deep, 2012-04-15 00:04:23 +00:00
if_ath_rx.c Create a function - ath_tx_kick() - which is called where ath_start() is 2012-06-05 03:14:49 +00:00
if_ath_rx.h Migrate the bulk of the RX routines out from if_ath.c to if_ath_rx.[ch]. 2012-05-20 02:05:10 +00:00
if_ath_sysctl.c Migrate ath_debug and sc_debug from an int to a uint64_t / QUAD; 2012-05-15 23:39:37 +00:00
if_ath_sysctl.h Break out most of the HAL related tweaks into a per-HAL instance, 2011-06-23 02:38:36 +00:00
if_ath_tdma.c Migrate the TDMA management functions out of if_ath.c into if_ath_tdma.c. 2012-05-20 02:49:42 +00:00
if_ath_tdma.h Migrate the TDMA management functions out of if_ath.c into if_ath_tdma.c. 2012-05-20 02:49:42 +00:00
if_ath_tsf.h Migrate the bulk of the RX routines out from if_ath.c to if_ath_rx.[ch]. 2012-05-20 02:05:10 +00:00
if_ath_tx_ht.c Revert r233227 and followup commits as it breaks CCMP PN replay detection. 2012-06-11 06:59:28 +00:00
if_ath_tx_ht.h Introduce TX aggregation and software TX queue management 2011-11-08 22:43:13 +00:00
if_ath_tx.c Revert r233227 and followup commits as it breaks CCMP PN replay detection. 2012-06-11 06:59:28 +00:00
if_ath_tx.h Revert r233227 and followup commits as it breaks CCMP PN replay detection. 2012-06-11 06:59:28 +00:00
if_ath.c Add a new ioctl for ath(4) which returns the aggregate statistics. 2012-06-10 06:42:18 +00:00
if_athdfs.h Change the prototype so the radar enable can fail. 2012-01-28 21:44:42 +00:00
if_athioctl.h Add a new ioctl for ath(4) which returns the aggregate statistics. 2012-06-10 06:42:18 +00:00
if_athrate.h Introduce TX aggregation and software TX queue management 2011-11-08 22:43:13 +00:00
if_athvar.h Revert r233227 and followup commits as it breaks CCMP PN replay detection. 2012-06-11 06:59:28 +00:00