netdev - [PATCH bpf-next v3 5/7] libbpf: add lsm_cgoup

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Message-Id: <20220407223112.1204582-6-sdf@google.com>
Date:   Thu,  7 Apr 2022 15:31:10 -0700
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        Stanislav Fomichev <sdf@...gle.com>
Subject: [PATCH bpf-next v3 5/7] libbpf: add lsm_cgoup_sock type

lsm_cgroup/ is the prefix for BPF_LSM_CGROUP.

Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
---
 tools/bpf/bpftool/common.c | 1 +
 tools/lib/bpf/libbpf.c     | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 0c1e06cf50b9..2b3bf6fa413a 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -67,6 +67,7 @@ const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE] = {
 	[BPF_TRACE_FEXIT]		= "fexit",
 	[BPF_MODIFY_RETURN]		= "mod_ret",
 	[BPF_LSM_MAC]			= "lsm_mac",
+	[BPF_LSM_CGROUP]		= "lsm_cgroup",
 	[BPF_SK_LOOKUP]			= "sk_lookup",
 	[BPF_TRACE_ITER]		= "trace_iter",
 	[BPF_XDP_DEVMAP]		= "xdp_devmap",
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 016ecdd1c3e1..789726df5fe8 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8691,6 +8691,7 @@ static const struct bpf_sec_def section_defs[] = {
 	SEC_DEF("freplace/",		EXT, 0, SEC_ATTACH_BTF, attach_trace),
 	SEC_DEF("lsm/",			LSM, BPF_LSM_MAC, SEC_ATTACH_BTF, attach_lsm),
 	SEC_DEF("lsm.s/",		LSM, BPF_LSM_MAC, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_lsm),
+	SEC_DEF("lsm_cgroup/",	LSM, BPF_LSM_CGROUP, SEC_ATTACH_BTF),
 	SEC_DEF("iter/",		TRACING, BPF_TRACE_ITER, SEC_ATTACH_BTF, attach_iter),
 	SEC_DEF("iter.s/",		TRACING, BPF_TRACE_ITER, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_iter),
 	SEC_DEF("syscall",		SYSCALL, 0, SEC_SLEEPABLE),
@@ -9112,6 +9113,7 @@ void btf_get_kernel_prefix_kind(enum bpf_attach_type attach_type,
 		*kind = BTF_KIND_TYPEDEF;
 		break;
 	case BPF_LSM_MAC:
+	case BPF_LSM_CGROUP:
 		*prefix = BTF_LSM_PREFIX;
 		*kind = BTF_KIND_FUNC;
 		break;
-- 
2.35.1.1178.g4f1659d476-goog