From 8b79b34a66cd61769802255a2a6bdd446d4f93ca Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Wed, 1 Feb 2023 15:36:40 -0800 Subject: [PATCH] selftests/bpf: Don't refill on completion in xdp_metadata We only need to consume TX completion instead of refilling 'fill' ring. It's currently not an issue because we never RX more than 8 packets. Fixes: e2a46d54d7a1 ("selftests/bpf: Verify xdp_metadata xdp->af_xdp path") Signed-off-by: Stanislav Fomichev Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20230201233640.367646-1-sdf@google.com --- tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c index 241909d71c7e..aa4beae99f4f 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c @@ -205,9 +205,8 @@ static void complete_tx(struct xsk *xsk) if (ASSERT_EQ(xsk_ring_cons__peek(&xsk->comp, 1, &idx), 1, "xsk_ring_cons__peek")) { addr = *xsk_ring_cons__comp_addr(&xsk->comp, idx); - printf("%p: refill idx=%u addr=%llx\n", xsk, idx, addr); - *xsk_ring_prod__fill_addr(&xsk->fill, idx) = addr; - xsk_ring_prod__submit(&xsk->fill, 1); + printf("%p: complete tx idx=%u addr=%llx\n", xsk, idx, addr); + xsk_ring_cons__release(&xsk->comp, 1); } } -- 2.11.0