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From: Andrii Nakryiko <andrii@kernel.org>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
	<paul@paul-moore.com>, <brauner@kernel.org>,
	<torvalds@linuxfoundation.org>
Cc: <linux-fsdevel@vger.kernel.org>,
	<linux-security-module@vger.kernel.org>, <kernel-team@meta.com>
Subject: [PATCH bpf-next 15/29] libbpf: add BPF token support to bpf_prog_load() API
Date: Wed, 3 Jan 2024 14:20:20 -0800	[thread overview]
Message-ID: <20240103222034.2582628-16-andrii@kernel.org> (raw)
In-Reply-To: <20240103222034.2582628-1-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 cf250cb1d5ef..d69137459abf 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 fde54ea08e6f..5c7439991f57 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -105,9 +105,10 @@ 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:[~2024-01-03 22:24 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-03 22:20 [PATCH bpf-next 00/29] BPF token Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 01/29] bpf: align CAP_NET_ADMIN checks with bpf_capable() approach Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 02/29] bpf: add BPF token delegation mount options to BPF FS Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 03/29] bpf: introduce BPF token object Andrii Nakryiko
2024-01-05 20:25   ` Linus Torvalds
2024-01-05 20:32     ` Matthew Wilcox
2024-01-05 20:45       ` Linus Torvalds
2024-01-05 22:06         ` Andrii Nakryiko
2024-01-05 22:05     ` Andrii Nakryiko
2024-01-05 22:27       ` Alexei Starovoitov
2024-01-05 21:45   ` Linus Torvalds
2024-01-05 22:18     ` Andrii Nakryiko
2024-01-08 12:02       ` Christian Brauner
2024-01-08 23:58         ` Andrii Nakryiko
2024-01-09 14:52           ` Christian Brauner
2024-01-09 19:00             ` Andrii Nakryiko
2024-01-10 14:59               ` Christian Brauner
2024-01-11  0:42                 ` Andrii Nakryiko
2024-01-11 10:38                   ` Christian Brauner
2024-01-11 17:41                     ` Andrii Nakryiko
2024-01-12  7:58                       ` Christian Brauner
2024-01-12 18:32                         ` Andrii Nakryiko
2024-01-12 19:16                           ` Christian Brauner
2024-01-14  2:29                             ` Andrii Nakryiko
2024-01-16 16:37                               ` Christian Brauner
2024-01-08 12:01     ` Christian Brauner
2024-01-08 16:45     ` Paul Moore
2024-01-09  0:07       ` Andrii Nakryiko
2024-01-10 19:29         ` Paul Moore
2024-01-08 11:44   ` Christian Brauner
2024-01-03 22:20 ` [PATCH bpf-next 04/29] bpf: add BPF token support to BPF_MAP_CREATE command Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 05/29] bpf: add BPF token support to BPF_BTF_LOAD command Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 06/29] bpf: add BPF token support to BPF_PROG_LOAD command Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 07/29] bpf: take into account BPF token when fetching helper protos Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 08/29] bpf: consistently use BPF token throughout BPF verifier logic Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 09/29] bpf,lsm: refactor bpf_prog_alloc/bpf_prog_free LSM hooks Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 10/29] bpf,lsm: refactor bpf_map_alloc/bpf_map_free " Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 11/29] bpf,lsm: add BPF token " Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 12/29] libbpf: add bpf_token_create() API Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 13/29] libbpf: add BPF token support to bpf_map_create() API Andrii Nakryiko
2024-01-04 19:04   ` Linus Torvalds
2024-01-04 19:23     ` Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 14/29] libbpf: add BPF token support to bpf_btf_load() API Andrii Nakryiko
2024-01-03 22:20 ` Andrii Nakryiko [this message]
2024-01-03 22:20 ` [PATCH bpf-next 16/29] selftests/bpf: add BPF token-enabled tests Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 17/29] bpf,selinux: allocate bpf_security_struct per BPF token Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 18/29] bpf: fail BPF_TOKEN_CREATE if no delegation option was set on BPF FS Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 19/29] bpf: support symbolic BPF FS delegation mount options Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 20/29] selftests/bpf: utilize string values for delegate_xxx " Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 21/29] libbpf: split feature detectors definitions from cached results Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 22/29] libbpf: further decouple feature checking logic from bpf_object Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 23/29] libbpf: move feature detection code into its own file Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 24/29] libbpf: wire up token_fd into feature probing logic Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 25/29] libbpf: wire up BPF token support at BPF object level Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 26/29] selftests/bpf: add BPF object loading tests with explicit token passing Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 27/29] selftests/bpf: add tests for BPF object load with implicit token Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 28/29] libbpf: support BPF token path setting through LIBBPF_BPF_TOKEN_PATH envvar Andrii Nakryiko
2024-01-03 22:20 ` [PATCH bpf-next 29/29] selftests/bpf: add tests for " Andrii Nakryiko
2024-01-03 23:49 ` [PATCH bpf-next 00/29] BPF token Jakub Kicinski

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