In the drv_mac80211_setup function, mac80211_interface_cleanup
is called to ask the kernel to delete all existing interfaces
for the phy that is being configured via netlink.
Later in the first function, mac80211_prepare_vif is called to
set up the new interfaces as required.
But sometimes, when mac80211_prepare_vif (and so the relevant
`iw phy x interface add y` command) runs, the kernel might still
be cleaning up the old interface with the same ifname. It usually
takes very few time to do that; possibly a few milliseconds of
sleep in the script after detecting this error condition could be
enough, but the busybox sh does not support sub-second sleep
intervals.
When this happens, iw obviously fails to create the new interface;
and the following message is printed in the system log, followed by
subsequent failure messages from hostapd in case this would have been
an AP interface.
Tue Mar 14 04:21:57 2017 daemon.notice netifd: radio1 (2767): command failed: Too many open files in system (-23)
This was a long-standing issue existing since at least OpenWrt Backfire,
and today I finally managed to debug and (hopefully) solve it.
It was happening very few times on most devices; but it was happening
a lot more frequently on fast platforms with multiple radios, such as
the powerpc-based dual-ath9k-radio tl-wdr4900-v1.
Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>
This patch enables the ATH10K_AHB support for the QCA4019
devices on the AHB bus.
This patch also removes 936-ath10k_skip_otp_check.patch
because it breaks the AHB device identification.
"Patch is wrong. I find it frustrating OpenWRT/LEDE doesn't
try to work with upstream on ixing these things right."
[1] <https://www.mail-archive.com/ath10k@lists.infradead.org/msg05896.html>
It also limits ath10k memory hunger (This is a problem with 128MiB RAM)
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This is the standard way we handle this. Please note (it seems) I could
drop few symbols as they are hidden under (disabled) DRM_LEGACY now.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
For targets with i2c not built-in this fixes following error:
Package kmod-drm is missing dependencies for the following libraries:
i2c-core.ko
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
9f02db7 mt76x2: fall back to software crypto for IBSS/Mesh per-sta GTK
4a54ab3 mt7603: fall back to software crypto for IBSS/Mesh per-sta GTK
712b8e8 mac80211: claim RSN IBSS support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
The short log of changes since the 2016-06-10 release is below.
Jouni Malinen (1):
wireless-regdb: Remove DFS requirement for India (IN)
Ryan Mounce (1):
wireless-regdb: Update rules for Australia (AU) and add 60GHz rules
Seth Forshee (2):
wireless-regdb: Update 5 GHz rules for Canada
wireless-regdb: update regulatory.bin based on preceding changes
Signed-off-by: Ryan Mounce <ryan@mounce.com.au>
03e44dc mt76x2: remove unnecessary headroom check
cc70498 mt76x2: clarify queue selection field
b056a78 dma: fix endian issue in mt76_dma_get_buf
f020a60 mt7603: support loading the entire EEPROM from OTP
29b08d3 mt7603: fix endian issue in mt7603_mcu_set_timing
dce8aac mt7603: fix endian issue in mt7603_mac_fill_rx
f22273b mt7603: init WTBL entry before setting capabilities
da8e796 mt7603: check wtbl busy status and stop/start tx queues when clearing sta entry
e54add5 mt7603: move napi/tasklet enable/disable outside of the locked section
59ce2b4 mt7603: set tx vif own MAC index (needed for beacons)
93ce124 mt7603: enable beacons for other virtual interfaces
c91e660 mt7603: set secondary beacon time offsets
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Introduce RT6352 instead of matching against RF7620.
Clean up channel setting rfvals.
Port bandwidth filter calibration.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
So here is another round of improvements for MT7620 WiFi.
This commit fixes a few significant issues related to TX_PWR_CFG_x and
TX_ALC and also makes the code more readable by adding register
descriptions for things added for MT7620 and use the usual bit-field
access macros and the now defined macros instead of plain bit-ops and
magic numbers.
Properly describe EEPROM_TARGET_POWER at word 0x68 (== byte 0xD0) and
thereby fix internal TXALC which would otherwise just read
out-of-bounds of the EEPROM map.
Split-out tx-power/ALC related stuff into an additional function.
Fix VCO calibration, it was carried out properly in the channel
switching but incomplete in the actual VCO calibration function.
Also there is no need to trigger VCO calibration in channel switching,
the VCO calibration function is already being called at this point.
Remove it from channel switching function to avoid redundant code.
The TX power calibration differs significantly from all other
Mediatek/Ralink chips: They finally allow 0.5dB steps stored as 8-bit
values for (almost) each bitrate -- and promptly ran out of space and
for some reason didn't want to change the EEPROM layout. The hence
opted for a scheme of sharing values for some adjecent bitrates and
a highly over-complicated (or obfuscated?) way to populate the
TX_PWR_CFG_x registers with the values stored in the EEPROM.
The code here now looks much less complicated than what you see in the
vendor's driver, however, it does the exact same thing:
bGpwrdeltaMinus is a constant and always TRUE, hence half of the
code was dead. Gpwrdelta is always 0 (rather than using the value read
from the EEPROM). What remains is some very grotesque effort to avoid
0x20, probably some hardware bug related to some misunderstanding of
what a singed 8-bit value is (imagine: if it was a signed 6-bit value
then someone could believe that 0x20 == 0x0). And then they didn't
clean it up once they later on anandonned that whole story of having a
constant offset for 40 MHz channels and just set the offset to be
constant 0 -- there is no effort for avoiding 0x20 for the 20 MHz
values stored in the EEPROM, hence that's probably just a forbidden
value in the EEPROM specs and won't appear anyway...
Anyway, the whole thing felt like solving some college math test
where in the end everything cancels out and the result equals 0 ;)
To make sure that channel bandwidth power compensation really doesn't
need to be taken care of, output a warning when the corresponding
value stored in the EEPROM is non-zero.
Also there is no apparent reason to refrain from initializing RFCSR
register 13, it doesn't fail what-so-ever.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Open-code usb_phy_generic_register instead of calling it, since it is
really trivial. Avoid pulling CONFIG_NOP_USB_XCEIV into the kernel
config and add a proper dependency instead
Signed-off-by: Felix Fietkau <nbd@nbd.name>
If ehci platform driver is loaded before the chipidea controller driver,
both are competing for the same IO resources and the generic driver gets
used for the hardware. This results in USB device mode being
unavailable.
Split generic EHCI support code out of kmod-usb2, so that the chipidea
driver can be included without also pulling in the generic one. Also
rework the load order, so that the chipidea driver gets loaded first, in
case both are installed
Signed-off-by: Felix Fietkau <nbd@nbd.name>
The following will enable the TPM kernel module, as well as support for
the atmel i2c TPM driver. Tested and confirmed working on an Aerohive
AP-121
Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
This is required for default wireless configuration of malta target to
work out of the box again. Fixes "77ece30e: hostapd: Add ability to
specify that that wireless driver supports 802.11ac"
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
This patch splits `kmod-mt76` into three separate packages:
`kmod-mt76-core`, `kmod-mt76x2` and `kmod-mt7603`. By making
`kmod-mt76` a metapackage containing these new packages,
the previous behaviour of including all drivers and firmware
is left unchanged, unless explicitly unselected in
`DEVICE_PACKAGES`.
This splitting is especially beneficial for devices with
small flash chips, since the `kmod-mt76` package currently
requires ~160K on squashfs (after compression).
Signed-off-by: Joseph C. Lehner <joseph.c.lehner@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [cleanup]
Effects of the bugs could include memory corruption, tx hangs, kernel
crahes, possibly other things as well
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Remove CONFIG_VLAN_8021Q overrides for two targets
These features are built into the kernel image for all targets
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit combines all the changes I've made on my staging tree
into a single commit fixing many issues with our patch for MT7620.
First of all, checkpatch.pl revealed numerous code style issues with
the patch, so fix all the white-space and commets. Also use
usleep_range instead of legacy timing and relax timing for VCO
calibration just like the vendor driver does.
Several line programming registers were commented out in the patch.
Originally this came from the features present but disabled by default
in the vendor's driver (RTMP_TEMPERATURE_CALIBRATION and
ADJUST_POWER_CONSUMPTION_SUPPORT). Remove the dead code for now, it can
easily be re-added if we actually intend to support those features.
Move values from mt7620_freqconfig type into the existing rf_channel
struct, this shouldn't be a new typedef and it is possible to use the
existing struct because rf_channel got 4 32-bit fields, so two of the
8-bit values from mt7620_freqconfig can easily be stored in the same
32-bit field.
Map values such that
Rdiv -> rf1
N -> rf2
K -> rf3[0:7]
D -> rf3[8:15]
Ksd -> rf4
This makes the channel switching logic already look a bit more like
what we are used to in rt2x00... Probably many of the read-modify-write
calls could still be replaced by macros intended for that.
iq calibration seems to be identical to RT5592, so just enable it.
Test shows that this improves things quite a lot, datarates went up
by a couple of megabits when running iperf, signal quality seems jumpy
in the first few seconds once a station connencts, the stabelizes on a
value significantly better than what it was before.
Add description to the patch and reference the original OpenWrt commit
by which it was added.
The patch now passes checkpatch.pl and can thus be discussed with the
upstream authors of the rt2x00 driver.
Funded-by: https://www.kickstarter.com/projects/1327597961/better-support-for-mt7620a-n-in-openwrt-lede/
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
