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Message-ID: <Z9RPNzJtBgheiTeS@boxer> Date: Fri, 14 Mar 2025 16:45:59 +0100 From: Maciej Fijalkowski <maciej.fijalkowski@...el.com> To: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com> CC: Björn Töpel <bjorn@...nel.org>, Magnus Karlsson <magnus.karlsson@...el.com>, Jonathan Lemon <jonathan.lemon@...il.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, "Yonghong Song" <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, "KP Singh" <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, "Jesper Dangaard Brouer" <hawk@...nel.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Alexis Lothore <alexis.lothore@...tlin.com>, <netdev@...r.kernel.org>, <bpf@...r.kernel.org>, <linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 00/13] selftests/bpf: Integrate test_xsk.c to test_progs framework On Thu, Mar 13, 2025 at 11:47:58AM +0100, Bastien Curutchet (eBPF Foundation) wrote: > Hi all, > > This patch series continues the work to migrate the script tests into > prog_tests. Hi Bastien, the sole purpose of this is a cleanup of some sort? > > The test_xsk.sh script tests lots of AF_XDP use cases. The tests it uses > are defined in xksxceiver.c. As this script is used to test real > hardware, the goal here is to keep it as is and only integrate the > tests on veth peers into the test_progs framework. We're doubling the functionality for no additional benefits? Or the benefit of this set would be the veth xsk tests execution within BPF CI? > Three tests are flaky on s390 so they won't be integrated to test_progs > yet (I'm currently trying to make them more robust). > > PATCH 1 & 2 fix some small issues xskxceiver.c > PATCH 3 to 9 rework the xskxceiver to ease the integration in the > test_progs framework. Two main points are addressed in them : > - wrap kselftest calls behind macros to ease their replacement later > - handle all errors to release resources instead of calling exit() when > any error occurs. > PATCH 10 extracts test_xsk[.c/.h] from xskxceiver[.c/.h] to make the > tests available to test_progs > PATCH 11 enables kselftest de-activation > PATCH 12 isolates the flaky tests > PATCH 13 integrate the non-flaky tests to the test_progs framework I didn't bisect but this set breaks the HW tests for me which *is* what we care about. I'll dig onto that on monday and will get back to you. sudo ./test_xsk.sh -i enp24s0f1np1 PREREQUISITES: [ PASS ] 1..93 ok 1 PASS: SKB SEND_RECEIVE ok 2 PASS: SKB SEND_RECEIVE_2K_FRAME ok 3 PASS: SKB SEND_RECEIVE_SINGLE_PKT ok 4 PASS: SKB POLL_RX ok 5 PASS: SKB POLL_TX ok 6 PASS: SKB POLL_RXQ_FULL ok 7 PASS: SKB POLL_TXQ_FULL ok 1 # SKIP No huge pages present. ok 8 PASS: SKB ALIGNED_INV_DESC ok 9 PASS: SKB ALIGNED_INV_DESC_2K_FRAME_SIZE ok 2 # SKIP No huge pages present. ok 3 # SKIP No huge pages present. ok 10 PASS: SKB UMEM_HEADROOM ok 11 PASS: SKB BIDIRECTIONAL ok 12 PASS: SKB STAT_RX_DROPPED ok 13 PASS: SKB STAT_TX_INVALID ok 14 PASS: SKB STAT_RX_FULL ok 15 PASS: SKB STAT_FILL_EMPTY ok 16 PASS: SKB XDP_PROG_CLEANUP ok 17 PASS: SKB XDP_DROP_HALF ok 18 PASS: SKB XDP_SHARED_UMEM ok 19 PASS: SKB XDP_METADATA_COPY ok 20 PASS: SKB XDP_METADATA_COPY_MULTI_BUFF ok 21 PASS: SKB ALIGNED_INV_DESC_MULTI_BUFF ok 4 # SKIP No huge pages present. ok 22 PASS: SKB TOO_MANY_FRAGS ok 23 PASS: SKB HW_SW_MIN_RING_SIZE not ok 5 FAIL: SKB TEARDOWN not ok 6 FAIL: SKB SEND_RECEIVE_9K_PACKETS ok 7 # SKIP No huge pages present. not ok 8 FAIL: DRV SEND_RECEIVE not ok 9 FAIL: DRV SEND_RECEIVE_2K_FRAME not ok 10 FAIL: DRV SEND_RECEIVE_SINGLE_PKT not ok 11 FAIL: DRV POLL_RX not ok 12 FAIL: DRV POLL_TX ok 24 PASS: DRV POLL_RXQ_FULL ok 25 PASS: DRV POLL_TXQ_FULL ok 13 # SKIP No huge pages present. not ok 14 FAIL: DRV ALIGNED_INV_DESC not ok 15 FAIL: DRV ALIGNED_INV_DESC_2K_FRAME_SIZE ok 16 # SKIP No huge pages present. ok 17 # SKIP No huge pages present. not ok 18 FAIL: DRV UMEM_HEADROOM not ok 19 FAIL: DRV BIDIRECTIONAL not ok 20 FAIL: DRV STAT_RX_DROPPED not ok 21 FAIL: DRV STAT_TX_INVALID not ok 22 FAIL: DRV STAT_RX_FULL not ok 23 FAIL: DRV STAT_FILL_EMPTY not ok 24 FAIL: DRV XDP_PROG_CLEANUP not ok 25 FAIL: DRV XDP_DROP_HALF not ok 26 FAIL: DRV XDP_SHARED_UMEM not ok 27 FAIL: DRV XDP_METADATA_COPY not ok 28 FAIL: DRV XDP_METADATA_COPY_MULTI_BUFF not ok 29 FAIL: DRV ALIGNED_INV_DESC_MULTI_BUFF ok 30 # SKIP No huge pages present. not ok 31 FAIL: DRV TOO_MANY_FRAGS ok 32 # SKIP Failed to change HW ring size. not ok 33 FAIL: DRV HW_SW_MAX_RING_SIZE not ok 34 FAIL: DRV TEARDOWN not ok 35 FAIL: DRV SEND_RECEIVE_9K_PACKETS ok 36 # SKIP No huge pages present. not ok 37 FAIL: ZC SEND_RECEIVE not ok 38 FAIL: ZC SEND_RECEIVE_2K_FRAME not ok 39 FAIL: ZC SEND_RECEIVE_SINGLE_PKT not ok 40 FAIL: ZC POLL_RX not ok 41 FAIL: ZC POLL_TX ok 26 PASS: ZC POLL_RXQ_FULL ok 27 PASS: ZC POLL_TXQ_FULL ok 42 # SKIP No huge pages present. not ok 43 FAIL: ZC ALIGNED_INV_DESC not ok 44 FAIL: ZC ALIGNED_INV_DESC_2K_FRAME_SIZE ok 45 # SKIP No huge pages present. ok 46 # SKIP No huge pages present. not ok 47 FAIL: ZC UMEM_HEADROOM not ok 48 FAIL: ZC BIDIRECTIONAL ok 49 # SKIP Can not run RX_DROPPED test for ZC mode not ok 50 FAIL: ZC STAT_TX_INVALID not ok 51 FAIL: ZC STAT_RX_FULL not ok 52 FAIL: ZC STAT_FILL_EMPTY not ok 53 FAIL: ZC XDP_PROG_CLEANUP not ok 54 FAIL: ZC XDP_DROP_HALF not ok 55 FAIL: ZC XDP_SHARED_UMEM not ok 56 FAIL: ZC XDP_METADATA_COPY not ok 57 FAIL: ZC XDP_METADATA_COPY_MULTI_BUFF not ok 58 FAIL: ZC ALIGNED_INV_DESC_MULTI_BUFF ok 59 # SKIP No huge pages present. not ok 60 FAIL: ZC TOO_MANY_FRAGS ok 61 # SKIP Failed to change HW ring size. not ok 62 FAIL: ZC HW_SW_MAX_RING_SIZE not ok 63 FAIL: ZC TEARDOWN not ok 64 FAIL: ZC SEND_RECEIVE_9K_PACKETS ok 65 # SKIP No huge pages present. # Planned tests != run tests (93 != 27) # Totals: pass:27 fail:0 xfail:0 xpass:0 skip:0 error:0 (same for BUSY-POLL). > > Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com> > --- > Bastien Curutchet (eBPF Foundation) (13): > selftests/bpf: test_xsk: Initialize bitmap before use > selftests/bpf: test_xsk: Fix memory leaks > selftests/bpf: test_xsk: Wrap ksft_*() behind macros > selftests/bpf: test_xsk: Add return value to init_iface() > selftests/bpf: test_xsk: Don't exit immediately when xsk_attach fails > selftests/bpf: test_xsk: Don't exit immediately when gettimeofday fails > selftests/bpf: test_xsk: Don't exit immediately when workers fail > selftests/bpf: test_xsk: Don't exit immediately if validate_traffic fails > selftests/bpf: test_xsk: Don't exit immediately on allocation failures > selftests/bpf: test_xsk: Split xskxceiver > selftests/bpf: test_xsk: Make kselftest dependency optional > selftests/bpf: test_xsk: Isolate flaky tests > selftests/bpf: test_xsk: Integrate test_xsk.c to test_progs framework > > tools/testing/selftests/bpf/Makefile | 13 +- > tools/testing/selftests/bpf/prog_tests/test_xsk.c | 2416 ++++++++++++++++++++ > tools/testing/selftests/bpf/prog_tests/test_xsk.h | 299 +++ > tools/testing/selftests/bpf/prog_tests/xsk.c | 178 ++ > tools/testing/selftests/bpf/xskxceiver.c | 2543 +-------------------- > tools/testing/selftests/bpf/xskxceiver.h | 153 -- > 6 files changed, 3021 insertions(+), 2581 deletions(-) > --- > base-commit: 720c696b16a1b1680f64cac9b3bb9e312a23ac47 > change-id: 20250218-xsk-0cf90e975d14 > > Best regards, > -- > Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com> >
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