On 10/26/23 3:59 AM, Vadim Fedorenko wrote:
Add simple tc hook selftests to show the way to work with new crypto BPF API. Some weird structre and map are added to setup program to make verifier happy about dynptr initialization from memory. Simple AES-ECB algo is used to demonstrate encryption and decryption of fixed size buffers. Signed-off-by: Vadim Fedorenko <vadfed@xxxxxxxx> --- tools/testing/selftests/bpf/config | 1 + .../selftests/bpf/prog_tests/crypto_sanity.c | 129 +++++++++++++++ .../selftests/bpf/progs/crypto_common.h | 98 +++++++++++ .../selftests/bpf/progs/crypto_sanity.c | 154 ++++++++++++++++++ 4 files changed, 382 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/crypto_sanity.c create mode 100644 tools/testing/selftests/bpf/progs/crypto_common.h create mode 100644 tools/testing/selftests/bpf/progs/crypto_sanity.c diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 02dd4409200e..2a5d6339831b 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -14,6 +14,7 @@ CONFIG_CGROUP_BPF=y CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_SHA256=y CONFIG_CRYPTO_USER_API_HASH=y +CONFIG_CRYPTO_SKCIPHER=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_BTF=y CONFIG_DEBUG_INFO_DWARF4=y
Quick note: for upstream CI side, more config seems missing, see the GHA failure: https://github.com/kernel-patches/bpf/actions/runs/6654055344/job/18081734522 Notice: Success: 435/3403, Skipped: 32, Failed: 1 Error: #64 crypto_sanity Error: #64 crypto_sanity test_crypto_sanity:PASS:skel open 0 nsec test_crypto_sanity:PASS:ip netns add crypto_sanity_ns 0 nsec test_crypto_sanity:PASS:ip -net crypto_sanity_ns -6 addr add face::1/128 dev lo nodad 0 nsec test_crypto_sanity:PASS:ip -net crypto_sanity_ns link set dev lo up 0 nsec test_crypto_sanity:PASS:crypto_sanity__load 0 nsec open_netns:PASS:malloc token 0 nsec open_netns:PASS:open /proc/self/ns/net 0 nsec open_netns:PASS:open netns fd 0 nsec open_netns:PASS:setns 0 nsec test_crypto_sanity:PASS:open_netns 0 nsec test_crypto_sanity:PASS:if_nametoindex lo 0 nsec test_crypto_sanity:PASS:crypto_sanity__attach 0 nsec test_crypto_sanity:PASS:skb_crypto_setup fd 0 nsec test_crypto_sanity:PASS:skb_crypto_setup 0 nsec test_crypto_sanity:PASS:skb_crypto_setup retval 0 nsec test_crypto_sanity:FAIL:skb_crypto_setup status unexpected error: -95 (errno 2) libbpf: Kernel error message: Parent Qdisc doesn't exists close_netns:PASS:setns 0 nsec Test Results: bpftool: PASS test_progs-no_alu32: FAIL (returned 1) shutdown: CLEAN Error: Process completed with exit code 1.
