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63 Commits
Author SHA1 Message Date
Lorenzo BianconiandFelix Fietkau d00c6169c7 mt76x2: fix mrr idx/count estimation in mt76x2_mac_fill_tx_status() 
Fix mcs and attempt count estimation in mt76x2_mac_fill_tx_status routine
if the number of tx retries reported by the hw is grater than
IEEE80211_TX_MAX_RATES

Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
 2018-09-11 13:49:19 +02:00
Lorenzo BianconiandFelix Fietkau 38014de244 mt76x2: remove unnecessary break in mt76x2_mac_process_tx_rate() 
Remove unnecessary break statement in the default case of bw switch
block in mt76x2_mac_process_tx_rate routine

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
 2018-09-11 13:49:19 +02:00
Felix Fietkau 0853d79366 Revert "mt76x2: add functions for setting extended MAC address registers" 
This reverts commit 68b0cf17ef.
Not used at the moment, will be added back later, when needed.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-08-25 13:17:16 +02:00
Lorenzo BianconiandFelix Fietkau 6780375236 mt76x2: add frame protection support 
Introduce mac80211 rts threshold handler in order to add frame
protection support to mt76x2 driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-07-13 16:33:44 +02:00
Felix Fietkau 1d4ca10a56 mt76x2: track rssi for gain adjustment per station 
This preserves more sensitivity when weak stations are active

Signed-off-by: Felix Fietkau <[email protected]>
 2018-06-19 11:15:19 +02:00
Lorenzo BianconiandFelix Fietkau 072fdac8d6 mt76x2: mac: consider multicast/broadcast frames in ewma rssi estimation 
Take into account rx multicast and broadcast frames from connected AP in
ewma rssi estimation

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-06-18 12:09:16 +02:00
Felix Fietkau 65e161bec8 mt76x2: fix tracking rssi for dynamic gain adjustment 
Only use unicast rssi, to avoid counting signal data from other
networks.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-06-15 20:49:55 +02:00
Felix Fietkau 73edb22822 mt76: discard early received packets if not running yet 
If the radio was previously in running state, it can receive some
packets before it is able to process them.
This can lead to a crash if the channel is not initialized yet.
Discard all rx packets until start() is called

Signed-off-by: Felix Fietkau <[email protected]>
 2018-05-15 14:28:28 +02:00
Lorenzo BianconiandFelix Fietkau 238f3f1c2d mt76x2: remove warnings in mt76x2_mac_write_txwi() 
Fix following sparse warnings in mt76x2_mac_write_txwi:
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:201:26: warning:
  incorrect type in assignment (different base types)
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:201:26: expected
  restricted __le32 [usertype] iv
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:201:26: got unsigned
  int [unsigned] [usertype] <noident>
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:202:27: warning:
  incorrect type in assignment (different base types)
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:202:27: expected
  restricted __le32 [usertype] eiv
- drivers/net/wireless/mediatek/mt76/mt76x2_mac.c:202:27: got unsigned
  int [unsigned] [usertype] <noident>

Fixes: 23405236460b ("mt76: fix transmission of encrypted management
frames")
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2018-03-21 11:23:10 +01:00
Felix Fietkau e67e7a55fd mt76x2: do not set status->aggr for NULL data frames 
Avoids data connection stalls when the client toggles powersave mode

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-26 15:16:04 +01:00
Felix Fietkau c6f8caced2 mt76: let mac80211 validate CCMP PN for fragmented frames 
The rules for those are more complex and performance is not an issue
here

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-25 11:29:25 +01:00
Felix Fietkau 9b2c77826d mt76: validate rx CCMP PN 
Apparently hardware does not perform CCMP PN validation in hardware, so
we need to take care of this in the driver.

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-22 11:06:19 +01:00
Felix Fietkau 461cdf9f01 mt76: pass the per-vif wcid to the core for multicast rx 
Preparation for adding software rx CCMP PN validation

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-22 11:06:17 +01:00
Felix Fietkau b0508d3044 mt76: implement A-MPDU rx reordering in the driver code 
This is required for performing CCMP PN validation in software

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-22 10:43:21 +01:00
Felix Fietkau 58a41f17aa mt76: get station pointer by wcid and pass it to mac80211 
Avoids the rhashtable lookup based on the MAC address inside mac80211

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-22 10:14:25 +01:00
Felix Fietkau ad3f8e924e mt76: add an intermediate struct for rx status information 
Preparation for passing in more internal rx data via skb->cb

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-21 10:48:29 +01:00
Felix Fietkau 0f8327abba mt76x2: fix TSF value in probe responses 
Like beacons, probe responses need a hardware-generated TSF value. Set
the flag that causes the hw to generate it

Signed-off-by: Felix Fietkau <[email protected]>
 2018-01-19 18:07:54 +01:00
Felix Fietkau 68b0cf17ef mt76x2: add functions for setting extended MAC address registers 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-17 11:50:14 +01:00
Felix Fietkau d242650960 Revert "mt76x2: remove MAC address limitation for multi-vif setups" 
This reverts commit 170f3341c6.
 2017-12-17 11:44:47 +01:00
Felix Fietkau bdc6f2f970 Revert "mt76x2: clean up MAC/BSSID address initialization" 
This reverts commit 3563b8fd0a.
 2017-12-17 11:44:27 +01:00
Lorenzo BianconiandFelix Fietkau 2d4b8f57cc mt76x2: mac: fix possible NULL pointer dereferencing in mt76x2_mac_write_txwi() 
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2017-12-14 16:42:01 +01:00
Felix Fietkau 3563b8fd0a mt76x2: clean up MAC/BSSID address initialization 
Drop the use of the EEPROM address entirely, rely on interface address
only

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-07 19:51:01 +01:00
Felix Fietkau 170f3341c6 mt76x2: remove MAC address limitation for multi-vif setups 
The hardware has a separate set of registers to configure a
per-interface MAC address.

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-07 19:50:46 +01:00
Felix Fietkau b4034cf325 mt76x2: remove some harmless WARN_ONs in tx status and rx path 
Discard affected packets instead. Should reduce the frequency of bogus
bug reports

Signed-off-by: Felix Fietkau <[email protected]>
 2017-12-03 18:14:12 +01:00
Felix Fietkau 792859b237 mt76x2: fix transmission of encrypted management frames 
Hardware encryption seems to break encrypted unicast mgmt tx.
Unfortunately the hardware TXWI header does not have a bit to indicate
that a frame is software encrypted, so sw-encrypted frames need to use a
different WCID. For that to work, the CCMP PN needs to be generated in
software, which makes things a bit slower, so only do it for keys that
also need to tx management frames.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-29 12:18:34 +01:00
Felix Fietkau 0ce792337d mt76x2: add helper function for setting drop mask 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-16 14:07:03 +01:00
Felix Fietkau d8140b6f40 mt76x2: clear per-WCID tx rate lookup register 
Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-15 18:07:39 +01:00
Felix Fietkau e4e773440a mt76x2: limit client WCID entries to 0-127 
The rx WCID lookup table and the per-WCID rate table only have 128
entries. All further WCID entries are tx-only.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-11-15 17:59:48 +01:00
Felix Fietkau 37654d7047 mt76x2: fix tx status ampdu length corner case 
Sometimes the code would return a status update to mac80211 with a-mpdu
length of 0, leading to a crash in minstrel.

Make the logic of counting a-mpdu burst length easier to follow and add
an extra check to prevent this issue from happening.

Signed-off-by: Felix Fietkau <[email protected]>
 2017-10-12 12:24:12 +02:00
Felix Fietkau e78156982f update to latest mac80211/cfg80211 API changes 
Signed-off-by: Hauke Mehrtens <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
 2017-10-05 20:50:48 +02:00
Felix Fietkau 9af67d47e0 mt76x2: return -EOPNOTSUPP on unsupported ciphers 
Silences a warning when using 802.11w

Signed-off-by: Felix Fietkau <[email protected]>
 2017-01-14 23:04:59 +01:00
Lorenzo BianconiandFelix Fietkau 93907807ca mt76x2: fix typo in mt76x2_tx_get_max_txpwr_adj() signature 
Signed-off-by: Lorenzo Bianconi <[email protected]>
 2016-09-05 10:43:30 +02:00
Felix Fietkau becce8bd46 mt76x2: fix more checkpatch errors 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-09-05 10:08:16 +02:00
Felix Fietkau d7f5112c09 mt76x2: fix checkpatch warnings 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-09-04 18:59:22 +02:00
Felix Fietkau 01c63035b6 move mt76_remove_hdr_pad to mt76x2_mac.c 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-09-04 18:05:40 +02:00
Felix Fietkau b300bdc42e use the new bitfield accessor macros 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-09-04 17:37:26 +02:00
Felix Fietkau 53c1b7f6ac update my email address 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-09-04 17:33:28 +02:00
Lorenzo BianconiandFelix Fietkau aa77eadf0e mt76x2: add TPC support 
add per-packet tx power adjustment support

Signed-off-by: Lorenzo Bianconi <[email protected]>
 2016-08-25 12:57:47 +02:00
Felix Fietkau ced81a3458 relicense to ISC (except for util.h which is based on GPL'd kernel code 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-07-12 08:38:46 +02:00
Felix Fietkau f06ed811cd mt76x2: handle peer in dynamic SMPS mode 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-06-17 14:44:12 +02:00
Felix Fietkau 3c8a4bc30e mt76x2: implement survey support 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-06-15 16:47:23 +02:00
Felix Fietkau 6c4b37be98 move dev->chandef to mt76 struct 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-06-15 15:47:49 +02:00
Felix Fietkau e4c05ba162 use nl80211_band instead of ieee80211_band 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-05-14 16:51:44 +02:00
Felix Fietkau 13c29223ef Use NL80211_BAND_2GHZ instead of IEEE80211_BAND_2GHZ 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-05-14 16:49:30 +02:00
Felix Fietkau 079ad90fe2 update copyright lines 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-25 18:09:13 +01:00
Felix Fietkau 6735e9efac mt76x2: remove mt76x2_mac_skb_tx_overhead, it is unused 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-20 20:25:18 +01:00
Felix Fietkau 84a312645c mt76x2: fix trimming fragmented skbs 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-08 14:18:18 +01:00
Felix Fietkau fa3ee92842 unify tx completion handling, allow a driver callback to clean up tx skbs 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-06 16:14:02 +01:00
Felix Fietkau b08f5433d1 tx: move dma mapping code to core, unify tx callbacks into one that prepares tx_info, skb and txwi 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-03 20:14:53 +01:00
Felix Fietkau 435c5408a1 mt76x2: implement fragmented rx support 
Signed-off-by: Felix Fietkau <[email protected]>
 2016-02-01 23:16:51 +01:00