public inbox for netdev@vger.kernel.org
 help / color / mirror / Atom feed
From: Mauricio Vasquez B <mauricio.vasquez@polito.it>
To: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	netdev@vger.kernel.org
Cc: Song Liu <liu.song.a23@gmail.com>
Subject: [PATCH bpf-next v3 6/7] Sync uapi/bpf.h to tools/include
Date: Thu, 18 Oct 2018 15:16:36 +0200	[thread overview]
Message-ID: <153986859609.9127.12558386106290686860.stgit@kernel> (raw)
In-Reply-To: <153986856416.9127.9618539079636149043.stgit@kernel>

Sync both files.

Signed-off-by: Mauricio Vasquez B <mauricio.vasquez@polito.it>
Acked-by: Song Liu <songliubraving@fb.com>
---
 tools/include/uapi/linux/bpf.h |   30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index f9187b41dff6..c8824d5364ff 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
@@ -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:[~2018-10-18 21:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-18 13:16 [PATCH bpf-next v3 0/7] Implement queue/stack maps Mauricio Vasquez B
2018-10-18 13:16 ` [PATCH bpf-next v3 1/7] bpf: rename stack trace map operations Mauricio Vasquez B
2018-10-18 13:16 ` [PATCH bpf-next v3 2/7] bpf/syscall: allow key to be null in map functions Mauricio Vasquez B
2018-10-18 13:16 ` [PATCH bpf-next v3 3/7] bpf/verifier: add ARG_PTR_TO_UNINIT_MAP_VALUE Mauricio Vasquez B
2018-10-18 13:16 ` [PATCH bpf-next v3 4/7] bpf: add queue and stack maps Mauricio Vasquez B
2018-10-18 16:27   ` Song Liu
2018-10-18 13:16 ` [PATCH bpf-next v3 5/7] bpf: add MAP_LOOKUP_AND_DELETE_ELEM syscall Mauricio Vasquez B
2018-10-18 16:26   ` Song Liu
2018-10-18 13:16 ` Mauricio Vasquez B [this message]
2018-10-18 13:16 ` [PATCH bpf-next v3 7/7] selftests/bpf: add test cases for queue and stack maps Mauricio Vasquez B
2018-10-18 16:36   ` Song Liu
2018-10-18 17:33     ` Mauricio Vasquez
2018-10-18 21:02       ` Song Liu
2018-10-19 20:08 ` [PATCH bpf-next v3 0/7] Implement queue/stack maps Daniel Borkmann
2018-10-19 20:30   ` Alexei Starovoitov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=153986859609.9127.12558386106290686860.stgit@kernel \
    --to=mauricio.vasquez@polito.it \
    --cc=ast@kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=liu.song.a23@gmail.com \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox