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Alexey Brodkin 66f3edfd8b linux/arc*: disable MAC frame filter in DW GMAC ... DW GMAC on ARC SDP boards doesn't enter promiscuous mode if Ethernet PHY haven't got established link. Good examples are auto-negotiation in progress or disconnected cable. We do see Linux kernel sets GMAC's MAC filter register properly but GMAC's hardware doesn't accept new settings. We believe it is a hardware issue, most probably problem of integration of DW GMAC and PHY on the board. As a work-around we completely disable frame filtering in GMAC hardware (once and for good) which forces GMAC to enter promiscuous mode with the first write to MAC filter register. That gives us working bridge that consists of eth0 and wlan0 (USB Wi-Fi dongle). I.e. we finally have working "Dumb AP" setup made of ARC AXS10x boards. Given that hack is quite dirty (in loaded wired networks this will effectively load CPU with junk packets even if user doesn't need promisc mode) and there's no indication any other boards with DW GMAC suffer from the same issue we're patching only kernel for ARC boards. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: John Crispin <john@phrozen.org>, Cc: Felix Fietkau <nbd@nbd.name>		8 years ago
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base-files	…
generic	archs38: Merge sd and ramfs subtargets in generic again	8 years ago
image	archs38: Merge sd and ramfs subtargets in generic again	8 years ago
patches-4.4	linux/arc*: disable MAC frame filter in DW GMAC	8 years ago
Makefile	archs38: Merge sd and ramfs subtargets in generic again	8 years ago
config-4.4	…