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From: Andrii Nakryiko <andrii@kernel.org>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>,
	<linux-security-module@vger.kernel.org>, <keescook@chromium.org>,
	<brauner@kernel.org>, <lennart@poettering.net>,
	<kernel-team@meta.com>, <sargun@sargun.me>
Subject: [PATCH v5 bpf-next 12/13] libbpf: add BPF token support to bpf_prog_load() API
Date: Tue, 19 Sep 2023 14:47:59 -0700	[thread overview]
Message-ID: <20230919214800.3803828-13-andrii@kernel.org> (raw)
In-Reply-To: <20230919214800.3803828-1-andrii@kernel.org>

Wire through token_fd into bpf_prog_load().

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/lib/bpf/bpf.c | 3 ++-
 tools/lib/bpf/bpf.h | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 4547ae1037af..5a238831b4ff 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -234,7 +234,7 @@ int bpf_prog_load(enum bpf_prog_type prog_type,
 		  const struct bpf_insn *insns, size_t insn_cnt,
 		  struct bpf_prog_load_opts *opts)
 {
-	const size_t attr_sz = offsetofend(union bpf_attr, log_true_size);
+	const size_t attr_sz = offsetofend(union bpf_attr, prog_token_fd);
 	void *finfo = NULL, *linfo = NULL;
 	const char *func_info, *line_info;
 	__u32 log_size, log_level, attach_prog_fd, attach_btf_obj_fd;
@@ -263,6 +263,7 @@ int bpf_prog_load(enum bpf_prog_type prog_type,
 	attr.prog_flags = OPTS_GET(opts, prog_flags, 0);
 	attr.prog_ifindex = OPTS_GET(opts, prog_ifindex, 0);
 	attr.kern_version = OPTS_GET(opts, kern_version, 0);
+	attr.prog_token_fd = OPTS_GET(opts, token_fd, 0);
 
 	if (prog_name && kernel_supports(NULL, FEAT_PROG_NAME))
 		libbpf_strlcpy(attr.prog_name, prog_name, sizeof(attr.prog_name));
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index e090115af06b..cca1d3cd4c72 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -104,9 +104,10 @@ struct bpf_prog_load_opts {
 	 * If kernel doesn't support this feature, log_size is left unchanged.
 	 */
 	__u32 log_true_size;
+	__u32 token_fd;
 	size_t :0;
 };
-#define bpf_prog_load_opts__last_field log_true_size
+#define bpf_prog_load_opts__last_field token_fd
 
 LIBBPF_API int bpf_prog_load(enum bpf_prog_type prog_type,
 			     const char *prog_name, const char *license,
-- 
2.34.1


  parent reply	other threads:[~2023-09-19 21:48 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-19 21:47 [PATCH v5 bpf-next 00/13] BPF token and BPF FS-based delegation Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 01/13] bpf: align CAP_NET_ADMIN checks with bpf_capable() approach Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 02/13] bpf: add BPF token delegation mount options to BPF FS Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 03/13] bpf: introduce BPF token object Andrii Nakryiko
2023-09-26 16:21   ` Christian Brauner
2023-09-26 22:10     ` Andrii Nakryiko
2023-09-27  9:52       ` Christian Brauner
2023-09-27 16:03         ` Andrii Nakryiko
2023-10-09 22:53           ` Paul Moore
2023-10-10  0:23             ` Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 04/13] bpf: add BPF token support to BPF_MAP_CREATE command Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 05/13] bpf: add BPF token support to BPF_BTF_LOAD command Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 06/13] bpf: add BPF token support to BPF_PROG_LOAD command Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 07/13] bpf: take into account BPF token when fetching helper protos Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 08/13] bpf: consistenly use BPF token throughout BPF verifier logic Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 09/13] libbpf: add bpf_token_create() API Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 10/13] libbpf: add BPF token support to bpf_map_create() API Andrii Nakryiko
2023-09-19 21:47 ` [PATCH v5 bpf-next 11/13] libbpf: add BPF token support to bpf_btf_load() API Andrii Nakryiko
2023-09-19 21:47 ` Andrii Nakryiko [this message]
2023-09-19 21:48 ` [PATCH v5 bpf-next 13/13] selftests/bpf: add BPF token-enabled tests Andrii Nakryiko

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