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[v4,bpf,3/5] bpf: Sync bpf.h to tools/

Message ID 20190312172306.590971-1-kafai@fb.com
State Accepted
Delegated to: BPF Maintainers
Headers show
Series Fix bpf_tcp_sock and bpf_sk_fullsock issue related to bpf_sk_release | expand

Commit Message

Martin KaFai Lau March 12, 2019, 5:23 p.m. UTC 
This patch sync the uapi bpf.h to tools/.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
---
 tools/include/uapi/linux/bpf.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
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Patch

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 3c38ac9a92a7..983b25cb608d 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2366,6 +2366,14 @@  union bpf_attr {
  *             current value is ect (ECN capable). Works with IPv6 and IPv4.
  *     Return
  *             1 if set, 0 if not set.
+ *
+ * struct bpf_sock *bpf_get_listener_sock(struct bpf_sock *sk)
+ *	Description
+ *		Return a **struct bpf_sock** pointer in TCP_LISTEN state.
+ *		bpf_sk_release() is unnecessary and not allowed.
+ *	Return
+ *		A **struct bpf_sock** pointer on success, or NULL in
+ *		case of failure.
  */
 #define __BPF_FUNC_MAPPER(FN)		\
 	FN(unspec),			\
@@ -2465,7 +2473,8 @@  union bpf_attr {
 	FN(spin_unlock),		\
 	FN(sk_fullsock),		\
 	FN(tcp_sock),			\
-	FN(skb_ecn_set_ce),
+	FN(skb_ecn_set_ce),		\
+	FN(get_listener_sock),
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call