| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Reduces false sharing due to cache aliases
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Qualcomm claims this improves the D-cache footprint. Origina commit message below:
From: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Date: Fri, 7 Jun 2013 10:57:28 -0500
Subject: [ag71xx] cluster/align structs for cache perf
Cluster the frequently used, per-packet structures in ag71xx near
to each other, and cacheline-align them. Some other re-ordering
occurred to move "warmer" structures near the per-packet structures.
Signed-off-by: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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Because the oldest supported kernel version on the ar71xx target is 4.4,
the condition that the kernel version is smaller than 4.2.0 is always
false. Remove the obsolete check from ag71xx_main.c to clean up the code
a bit.
Signed-off-by: Gabor Juhos <juhosg@freemail.hu>
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Backported from Code Aurora QSDK
Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>
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Qualcomm claims this reduces cache misses. Original commit message below:
From: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Date: Tue, 11 Jun 2013 12:18:46 -0500
Subject: [ag71xx] reduce NAPI weight
In an attempt to increase our cache warmth, we are decreasing NAPI.
This increases the warmth of the reused SKBs.
Signed-off-by: Ben Menchaca <ben.menchaca@qca.qualcomm.com>
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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The motivation for this was misguided. It turns out tuning the NAPI weight could be useful for testing purposes. Therefore reverting.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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NAPI_POLL_WEIGHT was introduced in the kernel for exactly this purpose 5 years ago.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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This reverts commit 13e5e473699b92f171205e0f5c57c9ebe7922492.
This commit causes a severe regression in LAN->WAN routing performance
for several devices. This appears to be caused by the extra requirement
to validate the SKB checksum early in the rx path, which the ethernet
hardware does not do
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This add support for kernel 4.9 to the ar71xx target.
It was compile tested with the generic, NAND and mikrotik subtarget.
Multiple members of the community tested it on their boards and did not
report any major problem so far.
Especially the NAND part received some changes to adapt to the new
kernel APIs. The serial driver hack used for the Arduino Yun was not
ported because the kernel changed there a lot.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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On a TL-WN710N, this patch increases iperf performance from ~92.5 to ~93.5 mbps. Keep in mind the WN710N is a 100mbps device. I expect greater numbers from gigabit devices.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
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This exposes hardware port mirroring in ag71xx driver (e.g. TL-WR841ND) via
swconfig API.
Signed-off-by: Milan Krstić <milan.krstic@gmail.com>
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ag71xx_ethtool_set_ringparam() will return an uninitialized value on
success.
Found-by: Coverity Scan #1330877
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
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Found-by: Coverity Scan #1330233
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
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Found-by: Coverity Scan #1329901
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add software transmit timestamp and ethtool (-T) timestamp support
Signed-off-by: Stephen Walker <stephendwalker+github@gmail.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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positives"
This reverts commit 3d58d7f053eae83b59baf5c8b8a58da78653f605.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Should fix LAN speed issues on some devices. This is an updated version
of the previously reverted commit with the same name.
It improves the check for MACs connected to a built-in switch
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This reverts commit 1beb5bec6453abb220c5be4ddb9e6dc02d08d735.
It was found to cause the WAN port to fail on some AR934x devices
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Should fix LAN speed issues on some devices
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48753
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48695
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48694
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48693
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48692
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48691
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48578
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Fully reset the chip like on a full up/down, but without the PHY
statemachine restart.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48228
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48227
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fixes hangs reported in #18922
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 47892
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no-op since 2.6.35
removed in Kernel 4.1
see https://lwn.net/Articles/380931/
Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
SVN-Revision: 46280
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 45971
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 44459
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Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 44456
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pointer
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 43588
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I don't see that we're in an atomic context so there's no need to
busy-wait. Therefore replace the delay with sleep calls.
See also Documentation/timers/timers-howto.txt. It states:
"In general, use of mdelay is discouraged and code should
be refactored to allow for the use of msleep."
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
SVN-Revision: 43539
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Replace the fixed wait time of 1s with polling for BMCR_RESET
to be cleared on all PHYs.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
SVN-Revision: 43538
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completed
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42457
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(#13072)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42429
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42428
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(improves performance) (patch from #13072)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42427
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tx hangs in some setups
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42333
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This improves performance when doing concurrent rx/tx on a single
ethernet MAC, e.g. when routing between VLANs.
Fixes #13072
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42328
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The r39147 commit introduces a regression: at lease on some routers
with ar8216 switch large packets get lost if 802.1q tagged port is
used on the interface connected to the aforementioned switch.
The r39147 changes code in the way so interface is set to accept
packets no longer than max ethernet frame length for a given mtu.
Unfortunately ar8216 has a feature: it sends two additional bytes
as a packet header and those this header needs to be added to the
max frame length. Otherwise long enough packets get lost.
The problem only manuifests itself if interface is used in vlan
tagged mode. If interface is untagged then ar8216's header fits
into space used by 802.1q tag and not packets are lost.
Include two additional bytes in the max frame length calculation
to fix the issue.
This patch is tested and works with Trendnet TEW-632BRP.
Signed-off-by Nikolay Martynov <mar.kolya@gmail.com>
Patchwork: http://patchwork.openwrt.org/patch/4656/
[juhosg:
- simplify the patch to include the additional bytes of the
switch header unconditionally,
- change subject and update commit message]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 39219
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The currently used bitmask of the maximum frame length field
is wrong for both models. On AR724x/AR933x the largest frame
size is 2047 bytes, on the AR934x it is 16383 bytes.
Make the MTU setup code model specific, and use the correct
bitmask for both models. Also change the value to the maximum.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 39148
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