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| author | Magnus Karlsson <magnus.karlsson@intel.com> | 2023-07-19 15:24:20 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-07-19 09:56:51 -0700 |
| commit | 807bf4da204938f01ad2e994ba92e82ac486ea2b (patch) | |
| tree | 9463af34c98afd7f753f562de44f1ee9139c490a /tools/testing/selftests/bpf/xskxceiver.h | |
| parent | f80ddbec476257a064ee0f57aa018bfc0f4d54d7 (diff) | |
| download | lwn-807bf4da204938f01ad2e994ba92e82ac486ea2b.tar.gz lwn-807bf4da204938f01ad2e994ba92e82ac486ea2b.zip | |
selftests/xsk: add test for too many frags
Add a test that will exercise maximum number of supported fragments.
This number depends on mode of the test - for SKB and DRV it will be 18
whereas for ZC this is defined by a value from NETDEV_A_DEV_XDP_ZC_MAX_SEGS
netlink attribute.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> # made use of new netlink attribute
Link: https://lore.kernel.org/r/20230719132421.584801-24-maciej.fijalkowski@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/xskxceiver.h')
| -rw-r--r-- | tools/testing/selftests/bpf/xskxceiver.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h index 9e1f66e0a3b6..233b66cef64a 100644 --- a/tools/testing/selftests/bpf/xskxceiver.h +++ b/tools/testing/selftests/bpf/xskxceiver.h @@ -53,6 +53,7 @@ #define XSK_UMEM__LARGE_FRAME_SIZE (3 * 1024) #define XSK_UMEM__MAX_FRAME_SIZE (4 * 1024) #define XSK_DESC__INVALID_OPTION (0xffff) +#define XSK_DESC__MAX_SKB_FRAGS 18 #define HUGEPAGE_SIZE (2 * 1024 * 1024) #define PKT_DUMP_NB_TO_PRINT 16 @@ -93,6 +94,7 @@ enum test_type { TEST_TYPE_UNALIGNED_MB, TEST_TYPE_ALIGNED_INV_DESC_MB, TEST_TYPE_UNALIGNED_INV_DESC_MB, + TEST_TYPE_TOO_MANY_FRAGS, TEST_TYPE_MAX }; @@ -155,6 +157,7 @@ struct ifobject { int ifindex; int mtu; u32 bind_flags; + u32 xdp_zc_max_segs; bool tx_on; bool rx_on; bool use_poll; |