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Felix Fietkau c44506fcbd cns3xxx: fix an rx irq handling corner case
When an rx interrupt comes in, rx interrupts are disabled and NAPI
polling is scheduled. During the NAPI poll, the driver first processes
received frames in the ring, then fills the dma descriptor slots with
new buffers and calls tx complete, before finally re-enabling rx
interrupts and completing NAPI (if below the budget).
If the hardware rx queue overflows before the napi complete is called,
the hardware will not throw any further rx interrupts and rx processing
stops completely.
Fix this by keeping NAPI polling scheduled until it completes a poll
without receiving any packets, and also handle NAPI completion before
refilling rx or completing tx.

SVN-Revision: 35942
2013-03-10 18:25:16 +00:00
docs docs: update remaining references to functions.sh 2012-12-20 15:29:33 +00:00
include build: BSD compile fixes 2013-03-07 17:32:29 +00:00
package mac80211: decrease rx slots to 128, I hope this is a good trade of between stability and memory consumption. 2013-03-09 20:01:55 +00:00
scripts build: BSD compile fixes 2013-03-07 17:32:29 +00:00
target cns3xxx: fix an rx irq handling corner case 2013-03-10 18:25:16 +00:00
toolchain toolchain/binutils: fix partial MD5 sum from r35813 2013-02-26 16:52:36 +00:00
tools mkimage: unbreak build on non-linux systems 2013-03-09 19:00:39 +00:00
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 2012-05-08 13:30:49 +00:00
.gitignore .gitignore: Ignore Emacs editor generated files 2011-10-31 09:37:59 +00:00
BSDmakefile add missing copyright header 2007-02-26 01:05:09 +00:00
Config.in kernel: remove the BROKEN dependency on the kernel export symbol strip 2013-03-10 14:51:38 +00:00
feeds.conf.default Add xorg feed to feeds.conf.default 2011-11-16 16:05:23 +00:00
LICENSE finally move buildroot-ng to trunk 2016-03-20 17:29:15 +01:00
Makefile build: it is no longer necessary to call make target/linux/clean as part of make clean 2012-12-02 15:26:28 +00:00
README build: BSD compile fixes 2013-03-07 17:32:29 +00:00
rules.mk fix ARCH_SUFFIX for mips64{,el}r2 2013-02-20 06:49:02 +00:00

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