Commit b4ec6a19 authored by Magnus Karlsson's avatar Magnus Karlsson Committed by Daniel Borkmann
Browse files

selftests, xsk: Fix rx_full stats test 



Fix the rx_full stats test so that it correctly reports pass even when
the fill ring is not full of buffers.

Fixes: 872a1184 ("selftests: xsk: Put the same buffer only once in the fill ring")
Signed-off-by: default avatarMagnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Tested-by: default avatarMaciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: default avatarMaciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/bpf/20220121123508.12759-1-magnus.karlsson@gmail.com
parent ed8bb032

tools/testing/selftests/bpf/xdpxceiver.c

+4 −1
Original line number Diff line number Diff line
@@ -906,7 +906,10 @@ static bool rx_stats_are_valid(struct ifobject *ifobject) 
			return true;

		case STAT_TEST_RX_FULL:

			xsk_stat = stats.rx_ring_full;

			expected_stat -= RX_FULL_RXQSIZE;

			if (ifobject->umem->num_frames < XSK_RING_PROD__DEFAULT_NUM_DESCS)

				expected_stat = ifobject->umem->num_frames - RX_FULL_RXQSIZE;

			else

				expected_stat = XSK_RING_PROD__DEFAULT_NUM_DESCS - RX_FULL_RXQSIZE;

			break;

		case STAT_TEST_RX_FILL_EMPTY:

			xsk_stat = stats.rx_fill_ring_empty_descs;