netdev - [PATCH bpf-next 06/13] tools/bpf: sync uapi header bpf.h

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Date:   Wed, 28 Aug 2019 23:45:09 -0700
From:   Yonghong Song <yhs@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...com>,
        Brian Vazquez <brianvv@...gle.com>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>,
        Yonghong Song <yhs@...com>
Subject: [PATCH bpf-next 06/13] tools/bpf: sync uapi header bpf.h

sync uapi header include/uapi/linux/bpf.h to
tools/include/uapi/linux/bpf.h.

Signed-off-by: Yonghong Song <yhs@...com>
---
 tools/include/uapi/linux/bpf.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 5d2fb183ee2d..576688f13e8c 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -107,6 +107,10 @@ enum bpf_cmd {
 	BPF_MAP_LOOKUP_AND_DELETE_ELEM,
 	BPF_MAP_FREEZE,
 	BPF_BTF_GET_NEXT_ID,
+	BPF_MAP_LOOKUP_BATCH,
+	BPF_MAP_LOOKUP_AND_DELETE_BATCH,
+	BPF_MAP_UPDATE_BATCH,
+	BPF_MAP_DELETE_BATCH,
 };
 
 enum bpf_map_type {
@@ -347,6 +351,9 @@ enum bpf_attach_type {
 /* flags for BPF_PROG_QUERY */
 #define BPF_F_QUERY_EFFECTIVE	(1U << 0)
 
+/* flags for BPF_MAP_*_BATCH */
+#define BPF_F_ENFORCE_ENOENT	(1U << 0)
+
 enum bpf_stack_build_id_status {
 	/* user space need an empty entry to identify end of a trace */
 	BPF_STACK_BUILD_ID_EMPTY = 0,
@@ -396,6 +403,26 @@ union bpf_attr {
 		__u64		flags;
 	};
 
+	struct { /* struct used by BPF_MAP_*_BATCH commands */
+		__aligned_u64	start_key;	/* input: storing start key,
+						 * if NULL, starting from the beginning.
+						 */
+		__aligned_u64	next_start_key;	/* output: storing next batch start_key,
+						 * if NULL, no next key.
+						 */
+		__aligned_u64	keys;		/* input/output: key buffer */
+		__aligned_u64	values;		/* input/output: value buffer */
+		__u32		count;		/* input: # of keys/values in
+						 *   or fits in keys[]/values[].
+						 * output: how many successful
+						 *   lookup/lookup_and_delete
+						 *   update/delete operations.
+						 */
+		__u32		map_fd;
+		__u64		elem_flags;	/* BPF_MAP_*_ELEM flags */
+		__u64		flags;		/* flags for batch operation */
+	} batch;
+
 	struct { /* anonymous struct used by BPF_PROG_LOAD command */
 		__u32		prog_type;	/* one of enum bpf_prog_type */
 		__u32		insn_cnt;
-- 
2.17.1