Revision 2284bbd0cf3981462dc6d729c89851c66b05a66a authored by Leon Schuermann on 11 January 2021, 19:03:15 UTC, committed by Jakub Kicinski on 13 January 2021, 04:00:51 UTC
This commit enables the use of the r8153_ecm driver, introduced with commit c1aedf015ebdd0 ("net/usb/r8153_ecm: support ECM mode for RTL8153") for the Lenovo Powered USB-C Hub (17ef:721e) based on the Realtek RTL8153B chip. This results in the following driver preference: - if r8152 is available, use the r8152 driver - if r8152 is not available, use the r8153_ecm driver This is done to prevent the NIC from constantly sending pause frames when the host system enters standby (fixed by using the r8152 driver in "r8152: Add Lenovo Powered USB-C Travel Hub"), while still allowing the device to work with the r8153_ecm driver as a fallback. Signed-off-by: Leon Schuermann <leon@is.currently.online> Tested-by: Leon Schuermann <leon@is.currently.online> Link: https://lore.kernel.org/r/20210111190312.12589-3-leon@is.currently.online Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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README
This directory includes a few programs that demonstrate how to use io_uring
in an application. The examples are:
io_uring-cp
A very basic io_uring implementation of cp(1). It takes two
arguments, copies the first argument to the second. This example
is part of liburing, and hence uses the simplified liburing API
for setting up an io_uring instance, submitting IO, completing IO,
etc. The support functions in queue.c and setup.c are straight
out of liburing.
io_uring-bench
Benchmark program that does random reads on a number of files. This
app demonstrates the various features of io_uring, like fixed files,
fixed buffers, and polled IO. There are options in the program to
control which features to use. Arguments is the file (or files) that
io_uring-bench should operate on. This uses the raw io_uring
interface.
liburing can be cloned with git here:
git://git.kernel.dk/liburing
and contains a number of unit tests as well for testing io_uring. It also
comes with man pages for the three system calls.
Fio includes an io_uring engine, you can clone fio here:
git://git.kernel.dk/fio
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