FCC allows maximum antenna gain of 6 dBi. 15.247(b)(4):
> (4) The conducted output power limit
> specified in paragraph (b) of this section
> is based on the use of antennas
> with directional gains that do not exceed
> 6 dBi. Except as shown in paragraph
> (c) of this section, if transmitting
> antennas of directional gain greater
> than 6 dBi are used, the conducted
> output power from the intentional radiator
> shall be reduced below the stated
> values in paragraphs (b)(1), (b)(2),
> and (b)(3) of this section, as appropriate,
> by the amount in dB that the
> directional gain of the antenna exceeds
> 6 dBi.
https://www.gpo.gov/fdsys/pkg/CFR-2013-title47-vol1/pdf/CFR-2013-title47-vol1-sec15-247.pdf
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Most of the txpower for the ath10k firmware is stored as twicepower (0.5 dB
steps). This isn't the case for max_antenna_gain - which is still expected
by the firmware as dB.
The firmware is converting it from dB to the internal (twicepower)
representation when it calculates the limits of a channel. This can be seen
in tpc_stats when configuring "12" as max_antenna_gain. Instead of the
expected 12 (6 dB), the tpc_stats shows 24 (12 dB).
Tested on QCA9888 and IPQ4019 with firmware 10.4-3.5.3-00057.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This patch updates ath10k-ct to current version.
Changes are:
ath10k-ct: Fix printing PN in peer stats.
Previous logic was incorrect. Also add set-special API to enable
returning PN.
Patches refreshed and tested on 8devices Jalapeno dev board(IPQ4019)
Signed-off-by: Robert Marko <robimarko@gmail.com>
This backports upstream commit
34d5629 ath10k: limit available channels via DT ieee80211-freq-limit
to the 4.19 ath10k-ct version. Without this patch, disabled channels
are still listed as a supported configuration for the radio.
The identical patch was also backported by OpenWRT to the non-ct driver.
It can be dropped as soon as we switch to an ath10k-ct version based on
4.20 or higher.
Signed-off-by: David Bauer <mail@david-bauer.net>
9360f389234a ath10k: Support up to 24 vAP per radio, fix DMA bug in wave-1.
9cbf8d430974 ath10k-ct: Add 4.20 driver, SGI support for fixed-rate tx.
Runtime tested on: ipq806x
Signed-off-by: Michael Yartys <michael.yartys@gmail.com>
If no mcast_rate is set for the wifi-iface then there is no rate_idx (0)
set for the bss. This can break for example 5GHz meshpoint interfaces
because 0 maps to a CCK rate (11Mbit/s).
It must also be avoided that the ath10k-ct internal state for the rates is
not synced with the mac80211 rates state. Otherwise, the user specified
rate (e.g. a wifi-iface mcast_rate for a meshpoint interface) will only be
set on startup. And a short while after that, ath10k-ct specific code in
ath10k_check_apply_special_rates is missing a valid rate in its own
structures and is then recalculating a new default rate. This default rate
is in most situations not the requested rate.
Fixes: 4df3c71cd4 ("ath10k-ct: Update to 2018-12-11 and use version based on 4.19")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
By default the firmware uses 1Mbps and 6Mbps rate for management packets
in 2G and 5G bands respectively. But when the user selects different
basic rates from the userspace, we need to send the management
packets at the lowest basic rate selected by the user.
This change makes use of WMI_VDEV_PARAM_MGMT_RATE param for configuring the
management packets rate to the firmware.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This version removes a lot of unusefull warnings that would quickly overflow the dmesg.
Warnings like this:
ath10k_ahb a800000.wifi: Invalid legacy rate 26 peer stats
ath10k_ahb a000000.wifi: Invalid VHT mcs 15 peer stats
On this version I only had 2 warnings at all.
Tested on 8devices Jalapeno.
Signed-off-by: Robert Marko <robimarko@gmail.com>
This updates the ath10k-ct driver to the version from 2018-12-11 and
selects the ath10k-ct version based on kernel 4.19 by default.
CONFIG_ATH10K_CE was introduced between kernel 4.16 and 4.19 and is a
mandatory option.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Update ath10k-ct to be able to drop 210-ath10k-fix-recent-bandwidth-conversion-bug.patch
as its upstream.
b9989fbd5d6e ath10k-ct: Add upstream patch to fix peer rate reporting.
ac9224344dbf ath10k-ct: Support sending custom frames with no-ack flag.
bc938bc2021e ath10k-ct: Support sending pkts with specific rate on 10.4 firmware.
Runtime tested on:
- GL-iNet GL-B1300
- Mikrotik RB912 + QCA9882
Signed-off-by: Robert Marko <robimarko@gmail.com>
[Added list of all changes from previous version + add own test device]
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
This backports a patch from the upstream kernel which was also shipped
previously in mac80211.
This fixes the following warning:
WARNING: CPU: 0 PID: 2881 at backports-4.19-rc5-1/net/wireless/util.c:1146 cfg80211_calculate_bitrate+0x238/0x348 [cfg80211]
invalid rate bw=2, mcs=0, nss=1
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Commit 2dcd955aea ("mac80211: backport and update patches for ath10k")
changed the DFS detector API, causing ath10k-ct to fail building due to
a missing add_pulse() argument.
Extend the already existing kernel compatibility patch to also adjust
the add_pulse() call accordingly.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Board Data File (BDF) is loaded upon driver boot-up procedure. The right
board data file is identified on QCA4019 using bus, bmi-chip-id and
bmi-board-id.
The problem, however, can occur when the (default) board data file cannot
fulfill the vendor requirements and it is necessary to use a different
board data file.
This problem was solved for SMBIOS by adding a special SMBIOS type 0xF8.
Something similar has to be provided for systems without SMBIOS but with
device trees. No solution was specified by QCA and therefore a new one has
to be found for ath10k.
The device tree requires addition strings to define the variant name
wifi@a000000 {
status = "okay";
qcom,ath10k-calibration-variant = "RT-AC58U";
};
wifi@a800000 {
status = "okay";
qcom,ath10k-calibration-variant = "RT-AC58U";
};
This would create the boarddata identifiers for the board-2.bin search
* bus=ahb,bmi-chip-id=0,bmi-board-id=16,variant=RT-AC58U
* bus=ahb,bmi-chip-id=0,bmi-board-id=17,variant=RT-AC58U
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
The driver updates include:
ath10k driver backport to fix WPA 'pn' related security bugs
(4.13 based driver only currently),
a fix for off-channel TX for CT wave-1 firmware, a likely
fix for napi related crashes, and a backport of the firmware fetch
patch.
AHB is needed for the IPQ4019 platform radios.
Signed-off-by: Ben Greear <greearb@candelatech.com>
[use common subject format]
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Backport patches that separate spectral scan support from general debugfs
support of ath9k/ath10k; this allows to remove the dependency on
KERNEL_RELAY from these driver packages even with debugfs enabled and
avoids the memory footprint of the relay buffers allocated by ath9k/ath10k
even when they aren't used at all.
The KERNEL_RELAY dependency is moved to a new config symbol that enables
spectral scan support in these drivers.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
This backports a patch from kernel 4.14 to the ath10k-ct version based
on kernel 4.13.
Some devices are using a user space script to load the calibration data
from the flash and this was not trigged any more.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This updates mac80211 to backprots-4.14-rc2.
This was compile and runtime tested with ath9k, ath10k and b43
with multiple stations and ieee80211w and in different scenarios by many
other people.
To create the backports-4.14-rc2-1.tar.xz use this repository:
https://git.kernel.org/pub/scm/linux/kernel/git/backports/backports.git
from tag v4.14-rc2-1
Then run this:
./gentree.py --git-revision v4.14-rc2 --clean <path to linux repo> ../backports-4.14-rc2-1
This also adapts the ath10k-ct and mt76 driver to the changed cfg80211
APIs and syncs the nl80211.h file in iw with the new version from
backports-4.14-rc2.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
