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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
Subject: [PATCH bpf-next 5/6] Sync uapi/bpf.h to tools/include
Date: Mon, 08 Oct 2018 21:11:17 +0200	[thread overview]
Message-ID: <153902587789.8888.13525051186905732527.stgit@kernel> (raw)
In-Reply-To: <153902585010.8888.3721528971287033661.stgit@kernel>

Sync both files.

Signed-off-by: Mauricio Vasquez B <mauricio.vasquez@polito.it>
---
 tools/include/uapi/linux/bpf.h |   36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index f9187b41dff6..bfa042273fad 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 {
@@ -128,6 +129,8 @@ enum bpf_map_type {
 	BPF_MAP_TYPE_CGROUP_STORAGE,
 	BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
 	BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE,
+	BPF_MAP_TYPE_QUEUE,
+	BPF_MAP_TYPE_STACK,
 };
 
 enum bpf_prog_type {
@@ -462,6 +465,28 @@ 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, 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)
+ * 	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)
+ * 	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
@@ -789,14 +814,14 @@ union bpf_attr {
  *
  * 			int ret;
  * 			struct bpf_tunnel_key key = {};
- * 			
+ *
  * 			ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
  * 			if (ret < 0)
  * 				return TC_ACT_SHOT;	// drop packet
- * 			
+ *
  * 			if (key.remote_ipv4 != 0x0a000001)
  * 				return TC_ACT_SHOT;	// drop packet
- * 			
+ *
  * 			return TC_ACT_OK;		// accept packet
  *
  * 		This interface can also be used with all encapsulation devices
@@ -2303,7 +2328,10 @@ union bpf_attr {
 	FN(skb_ancestor_cgroup_id),	\
 	FN(sk_lookup_tcp),		\
 	FN(sk_lookup_udp),		\
-	FN(sk_release),
+	FN(sk_release),			\
+	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:[~2018-10-09  2:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-08 19:10 [PATCH bpf-next 0/6] Implement queue/stack maps Mauricio Vasquez B
2018-10-08 19:10 ` [PATCH bpf-next 1/6] bpf: rename stack trace map operations Mauricio Vasquez B
2018-10-09  1:40   ` Song Liu
2018-10-09 15:34     ` Mauricio Vasquez
2018-10-08 19:11 ` [PATCH bpf-next 2/6] bpf/syscall: allow key to be null in map functions Mauricio Vasquez B
2018-10-08 19:11 ` [PATCH bpf-next 3/6] bpf: add MAP_LOOKUP_AND_DELETE_ELEM syscall Mauricio Vasquez B
2018-10-09  1:13   ` Song Liu
2018-10-09 12:56     ` Mauricio Vasquez
2018-10-08 19:11 ` [PATCH bpf-next 4/6] bpf: add queue and stack maps Mauricio Vasquez B
2018-10-09  1:36   ` Song Liu
2018-10-09 13:05     ` Mauricio Vasquez
2018-10-09 18:08       ` Song Liu
2018-10-08 19:11 ` Mauricio Vasquez B [this message]
2018-10-08 19:11 ` [PATCH bpf-next 6/6] selftests/bpf: add test cases for " Mauricio Vasquez B

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