From: Song Liu <songliubraving@fb.com>
To: <linux-kernel@vger.kernel.org>, <bpf@vger.kernel.org>,
<netdev@vger.kernel.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>,
<john.fastabend@gmail.com>, <kpsingh@chromium.org>,
<brouer@redhat.com>, <dlxu@fb.com>,
Song Liu <songliubraving@fb.com>
Subject: [PATCH bpf-next 2/5] libbpf: support BPF_PROG_TYPE_USER programs
Date: Sat, 1 Aug 2020 01:47:18 -0700 [thread overview]
Message-ID: <20200801084721.1812607-3-songliubraving@fb.com> (raw)
In-Reply-To: <20200801084721.1812607-1-songliubraving@fb.com>
Add cpu_plus to bpf_prog_test_run_attr. Add BPF_PROG_SEC "user" for
BPF_PROG_TYPE_USER programs.
Signed-off-by: Song Liu <songliubraving@fb.com>
---
tools/lib/bpf/bpf.c | 1 +
tools/lib/bpf/bpf.h | 3 +++
tools/lib/bpf/libbpf.c | 1 +
tools/lib/bpf/libbpf_probes.c | 1 +
4 files changed, 6 insertions(+)
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index e1bdf214f75fe..b28c3daa9c270 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -693,6 +693,7 @@ int bpf_prog_test_run_xattr(struct bpf_prog_test_run_attr *test_attr)
attr.test.ctx_size_in = test_attr->ctx_size_in;
attr.test.ctx_size_out = test_attr->ctx_size_out;
attr.test.repeat = test_attr->repeat;
+ attr.test.cpu_plus = test_attr->cpu_plus;
ret = sys_bpf(BPF_PROG_TEST_RUN, &attr, sizeof(attr));
test_attr->data_size_out = attr.test.data_size_out;
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 6d367e01d05e9..0c799740df566 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -205,6 +205,9 @@ struct bpf_prog_test_run_attr {
void *ctx_out; /* optional */
__u32 ctx_size_out; /* in: max length of ctx_out
* out: length of cxt_out */
+ __u32 cpu_plus; /* specify which cpu to run the test with
+ * cpu_plus = cpu_id + 1.
+ * If cpu_plus = 0, run on current cpu */
};
LIBBPF_API int bpf_prog_test_run_xattr(struct bpf_prog_test_run_attr *test_attr);
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index b9f11f854985b..9ce175a486214 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -6922,6 +6922,7 @@ static const struct bpf_sec_def section_defs[] = {
BPF_PROG_SEC("lwt_out", BPF_PROG_TYPE_LWT_OUT),
BPF_PROG_SEC("lwt_xmit", BPF_PROG_TYPE_LWT_XMIT),
BPF_PROG_SEC("lwt_seg6local", BPF_PROG_TYPE_LWT_SEG6LOCAL),
+ BPF_PROG_SEC("user", BPF_PROG_TYPE_USER),
BPF_APROG_SEC("cgroup_skb/ingress", BPF_PROG_TYPE_CGROUP_SKB,
BPF_CGROUP_INET_INGRESS),
BPF_APROG_SEC("cgroup_skb/egress", BPF_PROG_TYPE_CGROUP_SKB,
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 5a3d3f0784081..163013084000e 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -112,6 +112,7 @@ probe_load(enum bpf_prog_type prog_type, const struct bpf_insn *insns,
case BPF_PROG_TYPE_STRUCT_OPS:
case BPF_PROG_TYPE_EXT:
case BPF_PROG_TYPE_LSM:
+ case BPF_PROG_TYPE_USER:
default:
break;
}
--
2.24.1
next prev parent reply other threads:[~2020-08-01 8:49 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-01 8:47 [PATCH bpf-next 0/5] introduce BPF_PROG_TYPE_USER Song Liu
2020-08-01 8:47 ` [PATCH bpf-next 1/5] bpf: " Song Liu
2020-08-01 13:58 ` kernel test robot
2020-08-01 15:21 ` kernel test robot
2020-08-06 18:18 ` kernel test robot
2020-08-06 18:18 ` [RFC PATCH] bpf: user_verifier_ops can be static kernel test robot
2020-08-01 8:47 ` Song Liu [this message]
2020-08-03 1:40 ` [PATCH bpf-next 2/5] libbpf: support BPF_PROG_TYPE_USER programs Andrii Nakryiko
2020-08-03 4:21 ` Song Liu
2020-08-03 5:05 ` Andrii Nakryiko
2020-08-04 1:18 ` Song Liu
2020-08-05 1:38 ` Andrii Nakryiko
2020-08-05 3:59 ` Song Liu
2020-08-05 5:32 ` Andrii Nakryiko
2020-08-05 6:26 ` Song Liu
2020-08-05 6:54 ` Andrii Nakryiko
2020-08-05 7:23 ` Song Liu
2020-08-05 17:44 ` Andrii Nakryiko
2020-08-01 8:47 ` [PATCH bpf-next 3/5] selftests/bpf: add selftest for BPF_PROG_TYPE_USER Song Liu
2020-08-03 1:43 ` Andrii Nakryiko
2020-08-03 4:33 ` Song Liu
2020-08-03 5:07 ` Andrii Nakryiko
2020-08-01 8:47 ` [PATCH bpf-next 4/5] selftests/bpf: move two functions to test_progs.c Song Liu
2020-08-03 1:46 ` Andrii Nakryiko
2020-08-03 4:34 ` Song Liu
2020-08-01 8:47 ` [PATCH bpf-next 5/5] selftests/bpf: add benchmark for uprobe vs. user_prog Song Liu
2020-08-03 1:51 ` Andrii Nakryiko
2020-08-03 4:47 ` Song Liu
2020-08-03 5:10 ` Andrii Nakryiko
2020-08-04 20:54 ` Song Liu
2020-08-05 1:52 ` Andrii Nakryiko
2020-08-05 4:47 ` Song Liu
2020-08-05 5:47 ` Andrii Nakryiko
2020-08-05 7:01 ` Song Liu
2020-08-05 17:39 ` Andrii Nakryiko
2020-08-05 18:41 ` Song Liu
2020-08-05 17:16 ` Alexei Starovoitov
2020-08-05 17:27 ` Andrii Nakryiko
2020-08-05 17:45 ` Alexei Starovoitov
2020-08-05 17:56 ` Andrii Nakryiko
2020-08-05 18:56 ` Song Liu
2020-08-05 22:50 ` Alexei Starovoitov
2020-08-05 23:50 ` Song Liu
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