There are too many MIB counters that almost nobody needs since commit
d6366ce366 ("generic: ar8216: mib_work_func: read all port mibs
everytime").
In the worker function to poll MIB data, it deals with all ports instead
of only one port every time, which introduces too many mdio operations
that it becomes a heavy CPU load even on not-emulated MDIO bus.
This commit groups MIB counters and enable only TxBytes and RxGoodBytes
by default (both of which are necessary to get swconfig led working.)
and adds an swconfig attribute to allow enabling all counters if users
need them.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This allows specifying interval of polling MIB counters from userspace
and allow completely turning off MIB counter support by setting
mib_poll_interval to 0.
Since MIB counter polling is a heavy CPU load for GPIO emulated MDIO
bus, disable this behavior by default. Those who wants to use swconfig
LEDs can enable them with qca,mib-poll-interval dts property or with
swconfig command.
Fixes: FS#2230 ("kworker spikes 100% cpu every 2 second.")
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This moves some new configuration options to the generic kernel
configuration instead of configuring them for each target on our own.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
CONFIG_HW_RANDOM_OMAP is not set to any value after kmod-random-omap was
removed, add the configuration option to the generic configuration.
Fixes: cd3b298533 ("omap24xx: Remove unmaintained target")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This patch backports verbatim the commits from Linux 5.0 and 5.1
that implemented support for GigaDevice SPI NAND A and E variants.
Supported only in Linux 4.19 and later as based on the upstream
drivers/mtd/nand/spi/ framework.
mtd-spinand-add-support-for-GigaDevice-GD5FxGQ4xA.patch
commit c93c613214ac (5.0)
mtd-spinand-Add-support-for-GigaDevice-GD5F1GQ4UExxG.patch
commit c40c7a990a46 (5.1)
Run-tested-on: GL.iNet AR750S
Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
This removes support for executing old 32 bit applications on 64 bit ARM
and MIPS kernels.
On OpenWrt we normally compile all the user space applications on our
own and do not support third party binary only modules especial not 32
bit applications on 64 bit CPUs.
This reduces the attack surface on such systems and should also save
some memory.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
These were renamed to CONFIG_STRICT_KERNEL_RWX and CONFIG_STRICT_MODULE_RWX and are
activated in kernel 4.14 and later by default.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This activates "Emulate Privileged Access Never using TTBR0_EL1
switching" on ARM64.
This should prevent the kernel from reading code from user space in
kernel context.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This adds additional checks to the copy_from_user() and copy_to_user()
functions. The details are described in this article:
https://lwn.net/Articles/695991/
This should only have a very small performance impact on system calls
and should not affect routing performance.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Upstream has renamed UPROBE_EVENT to UPROBE_EVENTS in the following
commit:
commit 6b0b7551428e4caae1e2c023a529465a9a9ae2d4
Author: Anton Blanchard <anton@samba.org>
Date: Thu Feb 16 17:00:50 2017 +1100
perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS
We have uses of CONFIG_UPROBE_EVENT and CONFIG_KPROBE_EVENT as
well as CONFIG_UPROBE_EVENTS and CONFIG_KPROBE_EVENTS.
Consistently use the plurals.
So I'm changing it to this plural option in order to make kconfig happy
and stop asking about it if kernel is compiled with verbose logging:
Enable uprobes-based dynamic events (UPROBE_EVENTS) [Y/n/?] (NEW)
Signed-off-by: Petr Štetiar <ynezz@true.cz>
No target is using kernel 3.18 anymore, remove all the generic
support for kernel 3.18.
The removed packages are depending on kernel 3.18 only and are not used on
any recent kernel.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Since ct->proto.tcp.last_win isn't updated when nf_ct_tcp_no_window_check is
enabled, the retransmission timeout check needs to be bypassed.
Based on patch by Rob Mosher
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Refreshed all patches.
New symbols:
- CONFIG_LDISC_AUTOLOAD
- CONFIG_PPC_BARRIER_NOSPEC
Compile-tested on: ar7
Runtime-tested on: none
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Currently it's not possible to use perf on ath79 due to genirq flags
mismatch happening on static virtual IRQ 13 which is used for
performance counters hardware IRQ 5.
On TP-Link Archer C7v5:
CPU0
2: 0 MIPS 2 ath9k
4: 318 MIPS 4 19000000.eth
7: 55034 MIPS 7 timer
8: 1236 MISC 3 ttyS0
12: 0 INTC 1 ehci_hcd:usb1
13: 0 gpio-ath79 2 keys
14: 0 gpio-ath79 5 keys
15: 31 AR724X PCI 1 ath10k_pci
$ perf top
genirq: Flags mismatch irq 13. 00014c83 (mips_perf_pmu) vs. 00002003 (keys)
On TP-Link Archer C7v4:
CPU0
4: 0 MIPS 4 19000000.eth
5: 7135 MIPS 5 1a000000.eth
7: 98379 MIPS 7 timer
8: 30 MISC 3 ttyS0
12: 90028 INTC 0 ath9k
13: 5520 INTC 1 ehci_hcd:usb1
14: 4623 INTC 2 ehci_hcd:usb2
15: 32844 AR724X PCI 1 ath10k_pci
16: 0 gpio-ath79 16 keys
23: 0 gpio-ath79 23 keys
$ perf top
genirq: Flags mismatch irq 13. 00014c80 (mips_perf_pmu) vs. 00000080 (ehci_hcd:usb1)
This problem is happening, because currently statically assigned virtual
IRQ 13 for performance counters is not claimed during the initialization
of MIPS PMU during the bootup, so the IRQ subsystem doesn't know, that
this interrupt isn't available for further use.
So this patch fixes the issue by simply booking hardware IRQ 5 for MIPS PMU.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
New target introduces initial support for NVIDIA Tegra SoC based devices.
It focuses on Tegra 2 CPUs, for successors supporting NEON instruction
set the target should be split in two subtargets.
This initial commit doesn't create any device image, it's groundwork
for further additions.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
It adjusts b53 code to upstream changes from the commit 3c1bcc8614db
("net: ethernet: Convert phydev advertize and supported from u32 to link
mode").
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Please note that modified code isn't currently being compiled with
kernels 4.19+ due to the dropped CONFIG_NF_CONNTRACK_IPV6 in upstream
Linux. That requires a separated fix.
This fixes:
net/netfilter/nf_conntrack_rtcache.c: In function 'nf_rtcache_get_cookie':
net/netfilter/nf_conntrack_rtcache.c:82:11: error: 'const struct rt6_info' has no member named 'rt6i_node'; did you mean 'rt6i_idev'?
if (rt->rt6i_node)
^~~~~~~~~
rt6i_idev
IPv6 structs were reworked in upstream kernel by:
commit a64efe142f5e ("net/ipv6: introduce fib6_info struct and helpers")
commit 77634cc67dc1 ("net/ipv6: Remove unused code and variables for rt6_info")
commit 93c2fb253d17 ("net/ipv6: Rename fib6_info struct elements")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This allows users to specify a shorter mib poll interval so that the
swconfig leds could behave normal with current get_port_stats()
implementation.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This applies to ar8216 and ar8236. QCA's newer U-boot will enable
the switch mdio master for FE switches which makes phy inaccessible
from CPU mdio. (e.g. on TP-Link TL-WR941N v7 Chinese version which
uses QCA9558+AR8236.) For these devices PHY probing is broken and
mdio device probing is a must. We also need to disable switch mdio
master in driver for later PHY initialization.
Do a soft reset during hw_init so that mdio master can be disabled
and expose PHYs to CPU mdio for later PHY accessing.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
ar8xxx_mib_capture will update mib counters for all ports. Current
code only update one port at a time and the data for other ports
are lost.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Partially reverts commit eff3549c58.
AR7240 and AR9341 have buggy hardware switch LED trigger. The AR7240
one doesn't blink and the blinking of port0/port5 is reversed on
AR9341 if we swap PHY0 and PHY4. (Only blinking is reversed, which
means LED for PHY0 will lit when PHY0 is link up and will blink when
PHY4 has active link and vice versa.) On these two chips a software
swconfig LED trigger is required.
This commit adds swconfig port stats back but:
1. move checking of mib_t/rxb_id into ar8xxx_chip since we can't
distinguish ar7240sw and ar8216 using only chip id.
2. don't update mib counter in get_port_stat. This function is called
every 0.01s and this capturing procedure will take up a lot of CPU.
We already have a mib_work_func updating mib counters every 2s so
return the saved counter instead of fetching new data. The blinking
rate will be weird but it should solve the previously mentioned CPU
time problem.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This builtin switch is a bugless ar8216 with different mib counters
and gigabit cpu port.
Atheros uses the same device ID and it's impossible to distinguish
the standalone one and the builtin one. So we add support to mdio
device probe only.
This switch doesn't have buggy vlan tag so it's not needed to enable
atheros header. This commit changed ar8216_setup_port so that it can
be reused for this switch.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Atheros FE switches have a builtin mdio master available for PHY
accessing and on ar724x/ar933x builtin switches this mdio master
is the only way of accessing PHYs.
After this patch if there is phy_read/phy_write method available
in ar8xxx_chip we register a separated mdio bus for accessing PHYs.
Still adds support for mdio device probing only since this isn't
needed for those switches registered using PHY probing.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
ar8229 is the builtin switch in ar934x and later chips. There is
also a standalone version available and their registers/functions
are the same.
This commit added support for the builtin ar8229. The only thing
missing for standalone ar8229 should be phy modes. Since I don't
have a router using that, this commit doesn't add support for
other phy modes.
Only add its support for mdio-device probing method because the
current PHY probing can't return 1G speed when it's a FE switch.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Chuanhong Guo