netdev - [PATCH bpf-next v2 5/7] tools: bpf.h: sync with kernel sources

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Date:   Fri,  4 Jun 2021 12:01:14 +0530
From:   Kumar Kartikeya Dwivedi <memxor@...il.com>
To:     bpf@...r.kernel.org
Cc:     Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Vlad Buslov <vladbu@...dia.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        netdev@...r.kernel.org
Subject: [PATCH bpf-next v2 5/7] tools: bpf.h: sync with kernel sources

This will be used to expose bpf_link based libbpf API to users.

Reviewed-by: Toke Høiland-Jørgensen <toke@...hat.com>.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@...il.com>
---
 tools/include/uapi/linux/bpf.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 2c1ba70abbf1..a3488463d145 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -994,6 +994,7 @@ enum bpf_attach_type {
 	BPF_SK_LOOKUP,
 	BPF_XDP,
 	BPF_SK_SKB_VERDICT,
+	BPF_TC,
 	__MAX_BPF_ATTACH_TYPE
 };
 
@@ -1007,6 +1008,7 @@ enum bpf_link_type {
 	BPF_LINK_TYPE_ITER = 4,
 	BPF_LINK_TYPE_NETNS = 5,
 	BPF_LINK_TYPE_XDP = 6,
+	BPF_LINK_TYPE_TC = 7,
 
 	MAX_BPF_LINK_TYPE,
 };
@@ -1447,6 +1449,12 @@ union bpf_attr {
 				__aligned_u64	iter_info;	/* extra bpf_iter_link_info */
 				__u32		iter_info_len;	/* iter_info length */
 			};
+			struct { /* used by BPF_TC */
+				__u32 parent;
+				__u32 handle;
+				__u32 gen_flags;
+				__u16 priority;
+			} tc;
 		};
 	} link_create;
 
@@ -5519,6 +5527,13 @@ struct bpf_link_info {
 		struct {
 			__u32 ifindex;
 		} xdp;
+		struct {
+			__u32 ifindex;
+			__u32 parent;
+			__u32 handle;
+			__u32 gen_flags;
+			__u16 priority;
+		} tc;
 	};
 } __attribute__((aligned(8)));
 
-- 
2.31.1