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Commit db63e489 authored by Willem de Bruijn's avatar Willem de Bruijn Committed by David S. Miller
Browse files

selftests: extend zerocopy tests to udp 



Both msg_zerocopy and udpgso_bench have udp zerocopy variants.
Exercise these as part of the standard kselftest run.

With udp, msg_zerocopy has no control channel. Ensure that the
receiver exits after the sender by accounting for the initial
delay in starting them (in msg_zerocopy.sh).

Signed-off-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 52900d22

tools/testing/selftests/net/msg_zerocopy.c

+2 −1
Original line number Diff line number Diff line
@@ -651,12 +651,13 @@ static void do_flush_datagram(int fd, int type) 


static void do_rx(int domain, int type, int protocol)

{

	const int cfg_receiver_wait_ms = 400;

	uint64_t tstop;

	int fd;



	fd = do_setup_rx(domain, type, protocol);



	tstop = gettimeofday_ms() + cfg_runtime_ms;

	tstop = gettimeofday_ms() + cfg_runtime_ms + cfg_receiver_wait_ms;

	do {

		if (type == SOCK_STREAM)

			do_flush_tcp(fd);

tools/testing/selftests/net/msg_zerocopy.sh

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,8 @@ readonly path_sysctl_mem="net.core.optmem_max" 
if [[ "$#" -eq "0" ]]; then

	$0 4 tcp -t 1

	$0 6 tcp -t 1

	$0 4 udp -t 1

	$0 6 udp -t 1

	echo "OK. All tests passed"

	exit 0

fi

tools/testing/selftests/net/udpgso_bench.sh

+3 −0
Original line number Diff line number Diff line
@@ -35,6 +35,9 @@ run_udp() { 


	echo "udp gso"

	run_in_netns ${args} -S 0



	echo "udp gso zerocopy"

	run_in_netns ${args} -S 0 -z

}



run_tcp() {