BPF List
 help / color / mirror / Atom feed
From: Florian Westphal <fw@strlen.de>
To: <bpf@vger.kernel.org>
Cc: <netfilter-devel@vger.kernel.org>, Florian Westphal <fw@strlen.de>
Subject: [RFC nf-next 2/3] libbpf: sync header file, add nf prog section name
Date: Wed,  8 Feb 2023 17:03:06 +0100	[thread overview]
Message-ID: <20230208160307.27534-3-fw@strlen.de> (raw)
In-Reply-To: <20230208160307.27534-1-fw@strlen.de>

Signed-off-by: Florian Westphal <fw@strlen.de>
---
 tools/include/uapi/linux/bpf.h | 13 +++++++++++++
 tools/lib/bpf/libbpf.c         |  1 +
 2 files changed, 14 insertions(+)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 7f024ac22edd..c4d548b6b86d 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -986,6 +986,7 @@ enum bpf_prog_type {
 	BPF_PROG_TYPE_LSM,
 	BPF_PROG_TYPE_SK_LOOKUP,
 	BPF_PROG_TYPE_SYSCALL, /* a program that can execute syscalls */
+	BPF_PROG_TYPE_NETFILTER,
 };
 
 enum bpf_attach_type {
@@ -1033,6 +1034,7 @@ enum bpf_attach_type {
 	BPF_PERF_EVENT,
 	BPF_TRACE_KPROBE_MULTI,
 	BPF_LSM_CGROUP,
+	BPF_NETFILTER,
 	__MAX_BPF_ATTACH_TYPE
 };
 
@@ -1049,6 +1051,7 @@ enum bpf_link_type {
 	BPF_LINK_TYPE_PERF_EVENT = 7,
 	BPF_LINK_TYPE_KPROBE_MULTI = 8,
 	BPF_LINK_TYPE_STRUCT_OPS = 9,
+	BPF_LINK_TYPE_NETFILTER = 10,
 
 	MAX_BPF_LINK_TYPE,
 };
@@ -1543,6 +1546,11 @@ union bpf_attr {
 				 */
 				__u64		cookie;
 			} tracing;
+			struct {
+				__u32		pf;
+				__u32		hooknum;
+				__s32		prio;
+			} netfilter;
 		};
 	} link_create;
 
@@ -6354,6 +6362,11 @@ struct bpf_link_info {
 		struct {
 			__u32 ifindex;
 		} xdp;
+		struct {
+			__u32 pf;
+			__u32 hooknum;
+			__s32 priority;
+		} netfilter;
 	};
 } __attribute__((aligned(8)));
 
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index eed5cec6f510..525bc2b2c95c 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8607,6 +8607,7 @@ static const struct bpf_sec_def section_defs[] = {
 	SEC_DEF("struct_ops+",		STRUCT_OPS, 0, SEC_NONE),
 	SEC_DEF("struct_ops.s+",	STRUCT_OPS, 0, SEC_SLEEPABLE),
 	SEC_DEF("sk_lookup",		SK_LOOKUP, BPF_SK_LOOKUP, SEC_ATTACHABLE),
+	SEC_DEF("netfilter",		NETFILTER, BPF_NETFILTER, SEC_ATTACHABLE),
 };
 
 static size_t custom_sec_def_cnt;
-- 
2.39.1


  parent reply	other threads:[~2023-02-08 16:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-08 16:03 [RFC nf-next 0/3] bpf, netfilter: minimal support for bpf progs Florian Westphal
2023-02-08 16:03 ` [RFC nf-next 1/3] bpf: add bpf_link support for BPF_NETFILTER programs Florian Westphal
2023-02-08 16:03 ` Florian Westphal [this message]
2023-02-08 16:03 ` [RFC nf-next 3/3] bpf: minimal support for programs hooked into netfilter framework Florian Westphal

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=20230208160307.27534-3-fw@strlen.de \
    --to=fw@strlen.de \
    --cc=bpf@vger.kernel.org \
    --cc=netfilter-devel@vger.kernel.org \
    /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