linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrii Nakryiko <andrii@kernel.org>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
	<paul@paul-moore.com>, <brauner@kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>,
	<linux-security-module@vger.kernel.org>, <keescook@chromium.org>,
	<kernel-team@meta.com>, <sargun@sargun.me>
Subject: [PATCH v9 bpf-next 15/17] libbpf: add BPF token support to bpf_prog_load() API
Date: Fri, 3 Nov 2023 12:05:21 -0700	[thread overview]
Message-ID: <20231103190523.6353-16-andrii@kernel.org> (raw)
In-Reply-To: <20231103190523.6353-1-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 4b15d20347ac..7d84b3711d62 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 323bc04d8082..3ea11eba4a04 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:[~2023-11-03 19:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-03 19:05 [PATCH v9 bpf-next 00/17] BPF token and BPF FS-based delegation Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 01/17] bpf: align CAP_NET_ADMIN checks with bpf_capable() approach Andrii Nakryiko
2023-11-05  6:33   ` Yafang Shao
2023-11-03 19:05 ` [PATCH v9 bpf-next 02/17] bpf: add BPF token delegation mount options to BPF FS Andrii Nakryiko
2023-11-08 13:51   ` Christian Brauner
2023-11-08 21:09     ` Andrii Nakryiko
2023-11-09  8:47       ` Christian Brauner
2023-11-09 17:09         ` Andrii Nakryiko
2023-11-09 22:29           ` Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 03/17] bpf: introduce BPF token object Andrii Nakryiko
2023-11-08 14:28   ` Christian Brauner
2023-11-08 21:09     ` Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 04/17] bpf: add BPF token support to BPF_MAP_CREATE command Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 05/17] bpf: add BPF token support to BPF_BTF_LOAD command Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 06/17] bpf: add BPF token support to BPF_PROG_LOAD command Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 07/17] bpf: take into account BPF token when fetching helper protos Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 08/17] bpf: consistently use BPF token throughout BPF verifier logic Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 09/17] bpf,lsm: refactor bpf_prog_alloc/bpf_prog_free LSM hooks Andrii Nakryiko
2023-11-06  5:01   ` [PATCH v9 9/17] " Paul Moore
2023-11-06 19:03     ` Andrii Nakryiko
2023-11-06 22:29       ` Paul Moore
2023-11-03 19:05 ` [PATCH v9 bpf-next 10/17] bpf,lsm: refactor bpf_map_alloc/bpf_map_free " Andrii Nakryiko
2023-11-06  5:01   ` [PATCH v9 " Paul Moore
2023-11-03 19:05 ` [PATCH v9 bpf-next 11/17] bpf,lsm: add BPF token " Andrii Nakryiko
2023-11-04  0:36   ` kernel test robot
2023-11-04  3:20     ` Andrii Nakryiko
2023-11-06  5:01   ` [PATCH v9 " Paul Moore
2023-11-06 19:17     ` Andrii Nakryiko
2023-11-06 22:46       ` Paul Moore
2023-11-03 19:05 ` [PATCH v9 bpf-next 12/17] libbpf: add bpf_token_create() API Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 13/17] libbpf: add BPF token support to bpf_map_create() API Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 14/17] libbpf: add BPF token support to bpf_btf_load() API Andrii Nakryiko
2023-11-03 19:05 ` Andrii Nakryiko [this message]
2023-11-03 19:05 ` [PATCH v9 bpf-next 16/17] selftests/bpf: add BPF token-enabled tests Andrii Nakryiko
2023-11-03 19:05 ` [PATCH v9 bpf-next 17/17] bpf,selinux: allocate bpf_security_struct per BPF token Andrii Nakryiko
2023-11-06  5:01   ` [PATCH v9 " Paul Moore
2023-11-06 19:18     ` Andrii Nakryiko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231103190523.6353-16-andrii@kernel.org \
    --to=andrii@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=brauner@kernel.org \
    --cc=keescook@chromium.org \
    --cc=kernel-team@meta.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=paul@paul-moore.com \
    --cc=sargun@sargun.me \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).