[PATCH v2 4/4] tools: Sync uapi headers with new bpf function calls

["Joel Fernandes (Google)" <joel@joelfernandes.org>]

The uapi in tools/ needs an update after support for new bpf function
calls were added. This commit does the same.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 tools/include/uapi/linux/bpf.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 929c8e537a14..05af4e1151d3 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2431,6 +2431,18 @@ union bpf_attr {
  *	Return
  *		A **struct bpf_sock** pointer on success, or **NULL** in
  *		case of failure.
+ *
+ * int bpf_probe_read_user(void *dst, int size, void *src)
+ *     Description
+ *             Read a userspace pointer safely.
+ *     Return
+ *             0 on success or negative error
+ *
+ * int bpf_probe_read_kernel(void *dst, int size, void *src)
+ *     Description
+ *             Read a kernel pointer safely.
+ *     Return
+ *             0 on success or negative error
  */
 #define __BPF_FUNC_MAPPER(FN)		\
 	FN(unspec),			\
@@ -2531,7 +2543,9 @@ union bpf_attr {
 	FN(sk_fullsock),		\
 	FN(tcp_sock),			\
 	FN(skb_ecn_set_ce),		\
-	FN(get_listener_sock),
+	FN(get_listener_sock),		\
+	FN(probe_read_user),		\
+	FN(probe_read_kernel),
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call
-- 
2.21.0.1020.gf2820cf01a-goog