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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-30 16:06:38 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-30 16:06:38 -0700 |
commit | 1ac731c529cd4d6adbce134754b51ff7d822b145 (patch) | |
tree | 143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c | |
parent | 07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff) | |
parent | 54116d442e001e1b6bd482122043b1870998a1f3 (diff) |
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c b/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c new file mode 100644 index 000000000000..daa952711d8f --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/parse_tcp_hdr_opt.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <test_progs.h> +#include <network_helpers.h> +#include "test_parse_tcp_hdr_opt.skel.h" +#include "test_parse_tcp_hdr_opt_dynptr.skel.h" +#include "test_tcp_hdr_options.h" + +struct test_pkt { + struct ipv6_packet pk6_v6; + u8 options[16]; +} __packed; + +struct test_pkt pkt = { + .pk6_v6.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6), + .pk6_v6.iph.nexthdr = IPPROTO_TCP, + .pk6_v6.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES), + .pk6_v6.tcp.urg_ptr = 123, + .pk6_v6.tcp.doff = 9, /* 16 bytes of options */ + + .options = { + TCPOPT_MSS, 4, 0x05, 0xB4, TCPOPT_NOP, TCPOPT_NOP, + 0, 6, 0xBB, 0xBB, 0xBB, 0xBB, TCPOPT_EOL + }, +}; + +static void test_parse_opt(void) +{ + struct test_parse_tcp_hdr_opt *skel; + struct bpf_program *prog; + char buf[128]; + int err; + + LIBBPF_OPTS(bpf_test_run_opts, topts, + .data_in = &pkt, + .data_size_in = sizeof(pkt), + .data_out = buf, + .data_size_out = sizeof(buf), + .repeat = 3, + ); + + skel = test_parse_tcp_hdr_opt__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_open_and_load")) + return; + + pkt.options[6] = skel->rodata->tcp_hdr_opt_kind_tpr; + prog = skel->progs.xdp_ingress_v6; + + err = bpf_prog_test_run_opts(bpf_program__fd(prog), &topts); + ASSERT_OK(err, "ipv6 test_run"); + ASSERT_EQ(topts.retval, XDP_PASS, "ipv6 test_run retval"); + ASSERT_EQ(skel->bss->server_id, 0xBBBBBBBB, "server id"); + + test_parse_tcp_hdr_opt__destroy(skel); +} + +static void test_parse_opt_dynptr(void) +{ + struct test_parse_tcp_hdr_opt_dynptr *skel; + struct bpf_program *prog; + char buf[128]; + int err; + + LIBBPF_OPTS(bpf_test_run_opts, topts, + .data_in = &pkt, + .data_size_in = sizeof(pkt), + .data_out = buf, + .data_size_out = sizeof(buf), + .repeat = 3, + ); + + skel = test_parse_tcp_hdr_opt_dynptr__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_open_and_load")) + return; + + pkt.options[6] = skel->rodata->tcp_hdr_opt_kind_tpr; + prog = skel->progs.xdp_ingress_v6; + + err = bpf_prog_test_run_opts(bpf_program__fd(prog), &topts); + ASSERT_OK(err, "ipv6 test_run"); + ASSERT_EQ(topts.retval, XDP_PASS, "ipv6 test_run retval"); + ASSERT_EQ(skel->bss->server_id, 0xBBBBBBBB, "server id"); + + test_parse_tcp_hdr_opt_dynptr__destroy(skel); +} + +void test_parse_tcp_hdr_opt(void) +{ + if (test__start_subtest("parse_tcp_hdr_opt")) + test_parse_opt(); + if (test__start_subtest("parse_tcp_hdr_opt_dynptr")) + test_parse_opt_dynptr(); +} |