net: cdc_ncm: use sane defaults for rx/tx buffers

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Lots of devices request much larger buffers than reasonable. This
cause real problems for users of hosts with limited resources.

Reducing the default buffer size to 16kB for such devices is
a reasonable trade-off between allowing them to aggregate traffic
and avoiding memory exhaustion on resource restrained hosts.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Bjørn Mork 2014-05-16 21:48:26 +02:00 • committed by David S. Miller

parent beeecd42c3

commit 50f1cb1cc8

2 changed files with 14 additions and 2 deletions

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12

drivers/net/usb/cdc_ncm.c

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4

include/linux/usb/cdc_ncm.h

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