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 v7 bpf-next 14/18] libbpf: add BPF token support to bpf_map_create() API
Date: Thu, 12 Oct 2023 15:28:06 -0700 [thread overview]
Message-ID: <20231012222810.4120312-15-andrii@kernel.org> (raw)
In-Reply-To: <20231012222810.4120312-1-andrii@kernel.org>
Add ability to provide token_fd for BPF_MAP_CREATE command through
bpf_map_create() API.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
tools/lib/bpf/bpf.c | 4 +++-
tools/lib/bpf/bpf.h | 5 ++++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 593ff9ea120d..f9ee7608a96a 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -169,7 +169,7 @@ int bpf_map_create(enum bpf_map_type map_type,
__u32 max_entries,
const struct bpf_map_create_opts *opts)
{
- const size_t attr_sz = offsetofend(union bpf_attr, map_extra);
+ const size_t attr_sz = offsetofend(union bpf_attr, map_token_fd);
union bpf_attr attr;
int fd;
@@ -198,6 +198,8 @@ int bpf_map_create(enum bpf_map_type map_type,
attr.numa_node = OPTS_GET(opts, numa_node, 0);
attr.map_ifindex = OPTS_GET(opts, map_ifindex, 0);
+ attr.map_token_fd = OPTS_GET(opts, token_fd, 0);
+
fd = sys_bpf_fd(BPF_MAP_CREATE, &attr, attr_sz);
return libbpf_err_errno(fd);
}
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index a5ddb0393fee..156bc82c4895 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -51,8 +51,11 @@ struct bpf_map_create_opts {
__u32 numa_node;
__u32 map_ifindex;
+
+ __u32 token_fd;
+ size_t :0;
};
-#define bpf_map_create_opts__last_field map_ifindex
+#define bpf_map_create_opts__last_field token_fd
LIBBPF_API int bpf_map_create(enum bpf_map_type map_type,
const char *map_name,
--
2.34.1
next prev parent reply other threads:[~2023-10-12 22:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-12 22:27 [PATCH v7 bpf-next 00/18] BPF token and BPF FS-based delegation Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 01/18] bpf: align CAP_NET_ADMIN checks with bpf_capable() approach Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 02/18] bpf: add BPF token delegation mount options to BPF FS Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 03/18] bpf: introduce BPF token object Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 04/18] bpf: add BPF token support to BPF_MAP_CREATE command Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 05/18] bpf: add BPF token support to BPF_BTF_LOAD command Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 06/18] bpf: add BPF token support to BPF_PROG_LOAD command Andrii Nakryiko
2023-10-13 21:15 ` [PATCH v7 6/18] " Paul Moore
2023-10-13 21:55 ` Andrii Nakryiko
2023-10-12 22:27 ` [PATCH v7 bpf-next 07/18] bpf: take into account BPF token when fetching helper protos Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 08/18] bpf: consistenly use BPF token throughout BPF verifier logic Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 09/18] bpf,lsm: refactor bpf_prog_alloc/bpf_prog_free LSM hooks Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 10/18] bpf,lsm: refactor bpf_map_alloc/bpf_map_free " Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 11/18] bpf,lsm: add bpf_token_create and bpf_token_free " Andrii Nakryiko
2023-10-13 21:15 ` [PATCH v7 " Paul Moore
2023-10-13 21:55 ` Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 12/18] libbpf: add bpf_token_create() API Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 13/18] selftests/bpf: fix test_maps' use of bpf_map_create_opts Andrii Nakryiko
2023-10-12 22:28 ` Andrii Nakryiko [this message]
2023-10-12 22:28 ` [PATCH v7 bpf-next 15/18] libbpf: add BPF token support to bpf_btf_load() API Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 16/18] libbpf: add BPF token support to bpf_prog_load() API Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 17/18] selftests/bpf: add BPF token-enabled tests Andrii Nakryiko
2023-10-12 22:28 ` [PATCH v7 bpf-next 18/18] bpf,selinux: allocate bpf_security_struct per BPF token 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=20231012222810.4120312-15-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=lennart@poettering.net \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--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).