netdev - [PATCH v2 bpf-next 2/3] bpf: sync kernel uapi headers

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Date:   Fri, 1 Mar 2019 10:06:13 -0800
From:   Javier Honduvilla Coto <javierhonduco@...com>
To:     <netdev@...r.kernel.org>
CC:     <yhs@...com>, <kernel-team@...com>,
        Javier Honduvilla Coto <javierhonduco@...il.com>
Subject: [PATCH v2 bpf-next 2/3] bpf: sync kernel uapi headers

From: Javier Honduvilla Coto <javierhonduco@...il.com>

Sync kernel uapi headers.

Signed-off-by: Javier Honduvilla Coto <javierhonduco@...il.com>
---
 tools/include/uapi/linux/bpf.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index bcdd2474eee7..354ec295864c 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2359,6 +2359,14 @@ union bpf_attr {
  *	Return
  *		A **struct bpf_tcp_sock** pointer on success, or NULL in
  *		case of failure.
+ *
+ * int bpf_progenyof(int pid)
+ *	Description
+ *		This helper is useful in programs that want to filter events
+ *		happening to a pid of any of its descendants.
+ *	Return
+ *		1 if the currently executing process' pid is in the process
+ *		hierarchy of the passed pid. 0 Otherwise.
  */
 #define __BPF_FUNC_MAPPER(FN)		\
 	FN(unspec),			\
@@ -2457,7 +2465,8 @@ union bpf_attr {
 	FN(spin_lock),			\
 	FN(spin_unlock),		\
 	FN(sk_fullsock),		\
-	FN(tcp_sock),
+	FN(tcp_sock),			\
+	FN(progenyof),
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call
-- 
2.17.1