diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-11 17:47:55 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-11 17:47:55 +0000 |
| commit | 031616c434db05ce766f76c62865f55698e0924f (patch) | |
| tree | 7f29aa1ff3e7b51a8058cd570fb785c6e769b245 /tools/testing/selftests/bpf/progs/connect4_prog.c | |
| parent | 064841ccfc49b2315dc0b797239862d3a343aa07 (diff) | |
| parent | 85a7555575a0e48f9b73db310d0d762a08a46d63 (diff) | |
Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus
Diffstat (limited to 'tools/testing/selftests/bpf/progs/connect4_prog.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/connect4_prog.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/connect4_prog.c b/tools/testing/selftests/bpf/progs/connect4_prog.c index b1b2773c0b9d..a943d394fd3a 100644 --- a/tools/testing/selftests/bpf/progs/connect4_prog.c +++ b/tools/testing/selftests/bpf/progs/connect4_prog.c @@ -23,6 +23,10 @@ #define TCP_CA_NAME_MAX 16 #endif +#ifndef TCP_NOTSENT_LOWAT +#define TCP_NOTSENT_LOWAT 25 +#endif + #ifndef IFNAMSIZ #define IFNAMSIZ 16 #endif @@ -128,6 +132,18 @@ static __inline int set_keepalive(struct bpf_sock_addr *ctx) return 0; } +static __inline int set_notsent_lowat(struct bpf_sock_addr *ctx) +{ + int lowat = 65535; + + if (ctx->type == SOCK_STREAM) { + if (bpf_setsockopt(ctx, SOL_TCP, TCP_NOTSENT_LOWAT, &lowat, sizeof(lowat))) + return 1; + } + + return 0; +} + SEC("cgroup/connect4") int connect_v4_prog(struct bpf_sock_addr *ctx) { @@ -148,6 +164,9 @@ int connect_v4_prog(struct bpf_sock_addr *ctx) if (set_keepalive(ctx)) return 0; + if (set_notsent_lowat(ctx)) + return 0; + if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM) return 0; else if (ctx->type == SOCK_STREAM) |