linux.git/drivers/net/wireless/mediatek, branch v4.16 Linux kernel source tree mt76: do not set status->aggr for NULL data frames 2018-02-01T08:44:01+00:00 Felix Fietkau nbd@nbd.name 2018-01-27T15:02:06+00:00 cbbde7e8d98542dc1777ac42ec2a08875aea26ee Avoids data connection stalls when the client toggles powersave mode Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Avoids data connection stalls when the client toggles powersave mode

Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: avoid re-queueing A-MPDU rx reorder work if no frames are pending 2018-02-01T08:43:59+00:00 Felix Fietkau nbd@nbd.name 2018-01-27T15:02:05+00:00 fb208dc73ff1667191ba26d87610bba983ea1535 Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: implement processing of BlockAckReq frames 2018-02-01T08:43:58+00:00 Felix Fietkau nbd@nbd.name 2018-01-27T15:02:04+00:00 17cf68b702a60aee61432d59098b1ba6ceab2f98 Avoids timeouts on reordered A-MPDU rx frames Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Avoids timeouts on reordered A-MPDU rx frames

Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: implement AP_LINK_PS 2018-02-01T08:43:57+00:00 Felix Fietkau nbd@nbd.name 2018-01-27T15:02:03+00:00 d71ef28636e435079028c1ed255fa92d8ff6ed76 With software A-MPDU reordering in place, frames that notify mac80211 of powersave changes are reordered as well, which can cause connection stalls. Fix this by implementing powersave state processing in the driver. Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
With software A-MPDU reordering in place, frames that notify mac80211 of
powersave changes are reordered as well, which can cause connection
stalls. Fix this by implementing powersave state processing in the
driver.

Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: validate rx CCMP PN 2018-01-26T09:20:52+00:00 Felix Fietkau nbd@nbd.name 2018-01-25T10:44:24+00:00 30ce7f4456ae40e970d9e82fe63c5e55147af0c0 Apparently hardware does not perform CCMP PN validation in hardware, so we need to take care of this in the driver. This is important for protecting against replay attacks. Since validation of fragmented frames is more complex, the CCMP header for those is preserved. To keep the counter in sync, the first fragment is verified by both mt76 and mac80211, and all other fragments only by mac80211. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Apparently hardware does not perform CCMP PN validation in hardware, so
we need to take care of this in the driver. This is important for
protecting against replay attacks.

Since validation of fragmented frames is more complex, the CCMP header
for those is preserved. To keep the counter in sync, the first fragment
is verified by both mt76 and mac80211, and all other fragments only by
mac80211.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: pass the per-vif wcid to the core for multicast rx 2018-01-26T09:18:45+00:00 Felix Fietkau nbd@nbd.name 2018-01-24T15:19:16+00:00 3675302de8e946b9f8db44f55abbac1742f95706 Preparation for adding software rx CCMP PN validation Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Preparation for adding software rx CCMP PN validation

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: split mt76_rx_complete 2018-01-26T09:18:43+00:00 Felix Fietkau nbd@nbd.name 2018-01-24T15:19:15+00:00 9d9d738b4b54c8b04928168663761fe934b43ad8 Add a separate function for processing frames after A-MPDU reordering, reduce code duplication Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Add a separate function for processing frames after A-MPDU reordering,
reduce code duplication

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: implement A-MPDU rx reordering in the driver code 2018-01-26T09:18:39+00:00 Felix Fietkau nbd@nbd.name 2018-01-24T15:19:14+00:00 aee5b8cf2477bbb293cb84a4f726f5c0f91f587e This is required for performing CCMP PN validation in software Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
This is required for performing CCMP PN validation in software

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: get station pointer by wcid and pass it to mac80211 2018-01-26T09:18:34+00:00 Felix Fietkau nbd@nbd.name 2018-01-24T15:19:13+00:00 9c68a57bc22d8c952688d54781b55e7cd9bea238 Avoids the rhashtable lookup based on the MAC address inside mac80211 Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Avoids the rhashtable lookup based on the MAC address inside mac80211

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mt76: add an intermediate struct for rx status information 2018-01-26T09:18:32+00:00 Felix Fietkau nbd@nbd.name 2018-01-24T15:19:12+00:00 4e34249e9565dc123ceb349b31acb9305673313e Preparation for passing in more internal rx data via skb->cb Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> 
Preparation for passing in more internal rx data via skb->cb

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>