linux-stable.git/drivers/net/wireless, branch v3.17.3

Revert "iwlwifi: mvm: treat EAPOLs like mgmt frames wrt rate"

2014-11-14T18:10:37+00:00

commit 1ffde699aae127e7abdb98dbdedc2cc6a973a1a1 upstream.

This reverts commit aa11bbf3df026d6b1c6b528bef634fd9de7c2619.
This commit was causing connection issues and is not needed
if IWL_MVM_RS_RSSI_BASED_INIT_RATE is set to false by default.

Regardless of the issues mentioned above, this patch added the
following WARNING:

WARNING: CPU: 0 PID: 3946 at drivers/net/wireless/iwlwifi/mvm/tx.c:190 iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm]()
Got an HT rate for a non data frame 0x8
CPU: 0 PID: 3946 Comm: wpa_supplicant Tainted: G           O   3.17.0+ #6
Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS GLET71WW (2.25 ) 07/02/2014
 0000000000000009 ffffffff814fa911 ffff8804288db8f8 ffffffff81064f52
 0000000000001808 ffff8804288db948 ffff88040add8660 ffff8804291b5600
 0000000000000000 ffffffff81064fb7 ffffffffa07b73d0 0000000000000020
Call Trace:
 [] ? dump_stack+0x41/0x51
 [] ? warn_slowpath_common+0x72/0x90
 [] ? warn_slowpath_fmt+0x47/0x50
 [] ? iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm]
 [] ? iwl_mvm_tx_skb+0x48/0x3c0 [iwlmvm]
 [] ? iwl_mvm_mac_tx+0x7b/0x180 [iwlmvm]
 [] ? __ieee80211_tx+0x2b9/0x3c0 [mac80211]
 [] ? ieee80211_tx+0xb3/0x100 [mac80211]
 [] ? ieee80211_subif_start_xmit+0x459/0xca0 [mac80211]
 [] ? dev_hard_start_xmit+0x337/0x5f0
 [] ? sch_direct_xmit+0x96/0x1f0
 [] ? __dev_queue_xmit+0x203/0x4f0
 [] ? ether_setup+0x70/0x70
 [] ? packet_sendmsg+0xf81/0x1110
 [] ? skb_free_datagram+0xc/0x40
 [] ? sock_sendmsg+0x88/0xc0
 [] ? move_addr_to_kernel.part.20+0x14/0x60
 [] ? __inode_wait_for_writeback+0x62/0xb0
 [] ? SYSC_sendto+0xf1/0x180
 [] ? __sys_recvmsg+0x39/0x70
 [] ? system_call_fastpath+0x1a/0x1f
---[ end trace cc19a150d311fc63 ]---

which was reported here: https://bugzilla.kernel.org/show_bug.cgi?id=85691

Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman

iwlwifi: dvm: drop non VO frames when flushing

2014-11-14T18:10:37+00:00

commit a0855054e59b0c5b2b00237fdb5147f7bcc18efb upstream.

When mac80211 wants to ensure that a frame is sent, it calls
the flush() callback. Until now, iwldvm implemented this by
waiting that all the frames are sent (ACKed or timeout).
In case of weak signal, this can take a significant amount
of time, delaying the next connection (in case of roaming).
Many users have reported that the flush would take too long
leading to the following error messages to be printed:

iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 2
iwlwifi 0000:03:00.0: Current SW read_ptr 161 write_ptr 201
iwl data: 00000000: 00 00 00 00 00 00 00 00 fe ff 01 00 00 00 00 00
[snip]
iwlwifi 0000:03:00.0: FH TRBs(0) = 0x00000000
[snip]
iwlwifi 0000:03:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [9,9]
[snip]

Instead of waiting for these packets, simply drop them. This
significantly improves the responsiveness of the network.
Note that all the queues are flushed, but the VO one. This
is not typically used by the applications and it likely
contains management frames that are useful for connection
or roaming.

This bug is tracked here:
https://bugzilla.kernel.org/show_bug.cgi?id=56581

But it is duplicated in distributions' trackers.
A simple search in Ubuntu's database led to these bugs:

https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1270808
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1305406
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1356236
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1360597
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1361809

Depends-on: 77be2c54c5bd ("mac80211: add vif to flush call")
Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman

iwlwifi: configure the LTR

2014-11-14T18:10:37+00:00

commit 9180ac50716a097a407c6d7e7e4589754a922260 upstream.

The LTR is the handshake between the device and the root
complex about the latency allowed when the bus exits power
save. This configuration was missing and this led to high
latency in the link power up. The end user could experience
high latency in the network because of this.

Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman

iwlwifi: mvm: BT Coex - update the MPLUT Boost register value

2014-11-14T18:10:37+00:00

commit d14b28fd2c61af0bf310230472e342864d799c98 upstream.

Fixes: 2adc8949efab ("iwlwifi: mvm: BT Coex - fix boost register / LUT values")
Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman

wireless: rt2x00: add new rt2800usb device

2014-11-14T18:10:33+00:00

commit 664d6a792785cc677c2091038ce10322c8d04ae1 upstream.

0x1b75 0xa200 AirLive WN-200USB wireless 11b/g/n dongle

References: https://bugs.debian.org/766802
Reported-by: Martin Mokrejs 
Signed-off-by: Cyril Brulebois 
Acked-by: Stanislaw Gruszka 
Signed-off-by: John W. Linville 
Signed-off-by: Greg Kroah-Hartman

rt2x00: support Ralink 5362.

2014-11-14T18:10:33+00:00

commit ac0372abf8524a7572a9cdaac6495eb2eba20457 upstream.

Signed-off-by: Canek Peláez Valdés 
Signed-off-by: John W. Linville 
Signed-off-by: Greg Kroah-Hartman

Revert "ath9k_hw: reduce ANI firstep range for older chips"

2014-10-30T16:43:14+00:00

commit 171cdab8c78bb169d9693d587e1d02d2dd5a0274 upstream.

This reverts commit 09efc56345be4146ab9fc87a55c837ed5d6ea1ab

I've received reports that this change is decreasing throughput in some
rare conditions on an AR9280 based device

Signed-off-by: Felix Fietkau 
Signed-off-by: John W. Linville 
Signed-off-by: Greg Kroah-Hartman

rt2800: correct BBP1_TX_POWER_CTRL mask

2014-10-30T16:43:14+00:00

commit 01f7feeaf4528bec83798316b3c811701bac5d3e upstream.

Two bits control TX power on BBP_R1 register. Correct the mask,
otherwise we clear additional bit on BBP_R1 register, what can have
unknown, possible negative effect.

Signed-off-by: Stanislaw Gruszka 
Signed-off-by: John W. Linville 
Signed-off-by: Greg Kroah-Hartman

iwlwifi: Add missing PCI IDs for the 7260 series

2014-10-30T16:43:10+00:00

commit 4f08970f5284dce486f0e2290834aefb2a262189 upstream.

Add 4 missing PCI IDs for the 7260 series.

Signed-off-by: Oren Givon 
Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman

iwlwifi: mvm: disable BT Co-running by default

2014-10-30T16:43:10+00:00

commit 9b60bb6d86496af1adc753795de2c12c4499868a upstream.

The tables still contain dummy values.

Signed-off-by: Emmanuel Grumbach 
Signed-off-by: Greg Kroah-Hartman