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| author | Jörn-Thorben Hinz <jthinz@mailbox.tu-berlin.de> | 2022-06-22 22:12:25 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-06-23 19:49:57 +0300 |
| commit | 6e945d57cc9f6e27893d57a419434a2859ba6f3f (patch) | |
| tree | d787130bc0fc64047f97838aa64261cff9a24df2 /tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | |
| parent | 9f0265e921dee14096943ee11f793fa076aa7a72 (diff) | |
| download | linux-6e945d57cc9f6e27893d57a419434a2859ba6f3f.tar.xz | |
selftests/bpf: Test a BPF CC writing sk_pacing_*
Test whether a TCP CC implemented in BPF is allowed to write
sk_pacing_rate and sk_pacing_status in struct sock. This is needed when
cong_control() is implemented and used.
Signed-off-by: Jörn-Thorben Hinz <jthinz@mailbox.tu-berlin.de>
Link: https://lore.kernel.org/r/20220622191227.898118-4-jthinz@mailbox.tu-berlin.de
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index e9a9a31b2ffe..e79f3f5a9d33 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -9,6 +9,7 @@ #include "bpf_cubic.skel.h" #include "bpf_tcp_nogpl.skel.h" #include "bpf_dctcp_release.skel.h" +#include "tcp_ca_write_sk_pacing.skel.h" #ifndef ENOTSUPP #define ENOTSUPP 524 @@ -322,6 +323,22 @@ static void test_rel_setsockopt(void) bpf_dctcp_release__destroy(rel_skel); } +static void test_write_sk_pacing(void) +{ + struct tcp_ca_write_sk_pacing *skel; + struct bpf_link *link; + + skel = tcp_ca_write_sk_pacing__open_and_load(); + if (!ASSERT_OK_PTR(skel, "open_and_load")) + return; + + link = bpf_map__attach_struct_ops(skel->maps.write_sk_pacing); + ASSERT_OK_PTR(link, "attach_struct_ops"); + + bpf_link__destroy(link); + tcp_ca_write_sk_pacing__destroy(skel); +} + void test_bpf_tcp_ca(void) { if (test__start_subtest("dctcp")) @@ -334,4 +351,6 @@ void test_bpf_tcp_ca(void) test_dctcp_fallback(); if (test__start_subtest("rel_setsockopt")) test_rel_setsockopt(); + if (test__start_subtest("write_sk_pacing")) + test_write_sk_pacing(); } |