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From: Mauricio Vasquez B <mauricio.vasquez@polito.it>
To: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	netdev@vger.kernel.org
Cc: Yonghong Song <yhs@fb.com>
Subject: [RFC PATCH bpf-next v3 6/7] Sync uapi/bpf.h to tools/include
Date: Tue, 18 Sep 2018 06:53:02 +0200	[thread overview]
Message-ID: <153724638200.7866.16341864978822421006.stgit@kernel> (raw)
In-Reply-To: <153724634652.7866.6354309647800281793.stgit@kernel>

Sync both files.

Signed-off-by: Mauricio Vasquez B <mauricio.vasquez@polito.it>
---
 tools/include/uapi/linux/bpf.h |   31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 66917a4eba27..c899386dcb2b 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -103,6 +103,7 @@ enum bpf_cmd {
 	BPF_BTF_LOAD,
 	BPF_BTF_GET_FD_BY_ID,
 	BPF_TASK_FD_QUERY,
+	BPF_MAP_LOOKUP_AND_DELETE_ELEM,
 };
 
 enum bpf_map_type {
@@ -127,6 +128,8 @@ enum bpf_map_type {
 	BPF_MAP_TYPE_SOCKHASH,
 	BPF_MAP_TYPE_CGROUP_STORAGE,
 	BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
+	BPF_MAP_TYPE_QUEUE,
+	BPF_MAP_TYPE_STACK,
 };
 
 enum bpf_prog_type {
@@ -459,6 +462,29 @@ union bpf_attr {
  * 	Return
  * 		0 on success, or a negative error in case of failure.
  *
+ * int bpf_map_push_elem(struct bpf_map *map, const void *value, u32 len,
+ * 			 u64 flags)
+ * 	Description
+ * 		Push an element *value* in *map*. *flags* is one of:
+ *
+ * 		**BPF_EXIST**
+ * 		If the queue/stack is full, the oldest element is removed to
+ * 		make room for this.
+ * 	Return
+ * 		0 on success, or a negative error in case of failure.
+ *
+ * int bpf_map_pop_elem(struct bpf_map *map, void *value, u32 len)
+ * 	Description
+ * 		Pop an element from *map*.
+ * Return
+ * 		0 on success, or a negative error in case of failure.
+ *
+ * int bpf_map_peek_elem(struct bpf_map *map, void *value, u32 len)
+ * 	Description
+ * 		Get an element from *map* without removing it.
+ * Return
+ * 		0 on success, or a negative error in case of failure.
+ *
  * int bpf_probe_read(void *dst, u32 size, const void *src)
  * 	Description
  * 		For tracing programs, safely attempt to read *size* bytes from
@@ -2226,7 +2252,10 @@ union bpf_attr {
 	FN(get_current_cgroup_id),	\
 	FN(get_local_storage),		\
 	FN(sk_select_reuseport),	\
-	FN(skb_ancestor_cgroup_id),
+	FN(skb_ancestor_cgroup_id),	\
+	FN(map_push_elem),		\
+	FN(map_pop_elem),		\
+	FN(map_peek_elem),
 
 /* integer value in 'imm' field of BPF_CALL instruction selects which helper
  * function eBPF program intends to call

  parent reply	other threads:[~2018-09-18 10:24 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18  4:52 [RFC PATCH bpf-next v3 0/7] Implement bpf queue/stack maps Mauricio Vasquez B
2018-09-18  4:52 ` [RFC PATCH bpf-next v3 1/7] bpf: rename stack trace map Mauricio Vasquez B
2018-09-18 23:05   ` Alexei Starovoitov
2018-09-19  2:53     ` Mauricio Vasquez
2018-09-18  4:52 ` [RFC PATCH bpf-next v3 2/7] bpf/syscall: allow key to be null in map functions Mauricio Vasquez B
2018-09-18  4:52 ` [RFC PATCH bpf-next v3 3/7] bpf: add lookup_and_delete map operation Mauricio Vasquez B
2018-09-18  4:52 ` [RFC PATCH bpf-next v3 4/7] bpf: add bpf queue and stack maps Mauricio Vasquez B
2018-09-18 23:27   ` Alexei Starovoitov
2018-09-19  4:28     ` Mauricio Vasquez
     [not found]       ` <12a0d7d2-9590-b44f-803a-a00eefe611c1@polito.it>
2018-10-02  0:26         ` Alexei Starovoitov
2018-10-03 17:01           ` Mauricio Vasquez
2018-10-03 21:10             ` Alexei Starovoitov
2018-09-18  4:52 ` [RFC PATCH bpf-next v3 5/7] bpf: restrict use of peek/push/pop Mauricio Vasquez B
2018-09-18  4:53 ` Mauricio Vasquez B [this message]
2018-09-18  4:53 ` [RFC PATCH bpf-next v3 7/7] selftests/bpf: add test cases for queue and stack maps Mauricio Vasquez B
2018-09-18 23:32   ` Alexei Starovoitov
2018-09-19  4:36     ` Mauricio Vasquez

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