Commit f8e1bcec authored by Yui Washizu's avatar Yui Washizu Committed by Jakub Kicinski
Browse files

docs: fix the path of example code and example commands for device memory TCP 



This updates the old path and fixes the description of unavailable options.

Signed-off-by: default avatarYui Washizu <yui.washidu@gmail.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Reviewed-by: default avatarMina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250318061251.775191-1-yui.washidu@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 66034f78

Documentation/networking/devmem.rst

+2 −3
Original line number Diff line number Diff line
@@ -256,7 +256,7 @@ Testing 
=======



More realistic example code can be found in the kernel source under

``tools/testing/selftests/net/ncdevmem.c``

``tools/testing/selftests/drivers/net/hw/ncdevmem.c``



ncdevmem is a devmem TCP netcat. It works very similarly to netcat, but

receives data directly into a udmabuf.
@@ -268,8 +268,7 @@ ncdevmem has a validation mode as well that expects a repeating pattern of 
incoming data and validates it as such. For example, you can launch

ncdevmem on the server by::



	ncdevmem -s <server IP> -c <client IP> -f eth1 -d 3 -n 0000:06:00.0 -l \

		 -p 5201 -v 7

	ncdevmem -s <server IP> -c <client IP> -f <ifname> -l -p 5201 -v 7



On client side, use regular netcat to send TX data to ncdevmem process

on the server::