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Date: Tue, 1 Aug 2023 16:19:03 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
pabeni@...hat.com,
davem@...emloft.net,
edumazet@...gle.com,
moshe@...dia.com,
saeedm@...dia.com,
idosch@...dia.com,
petrm@...dia.com
Subject: [patch net-next 4/8] devlink: add split ops generated according to spec
From: Jiri Pirko <jiri@...dia.com>
Improve the existing devlink spec in order to serve as a source fot
generation of valid devlink split ops for the existing commands.
Add the generated sources.
Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
Documentation/netlink/specs/devlink.yaml | 14 +++++-
net/devlink/Makefile | 2 +-
net/devlink/netlink_gen.c | 59 ++++++++++++++++++++++++
net/devlink/netlink_gen.h | 33 +++++++++++++
4 files changed, 106 insertions(+), 2 deletions(-)
create mode 100644 net/devlink/netlink_gen.c
create mode 100644 net/devlink/netlink_gen.h
diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml
index 5d46ca966979..f6df0b3fd502 100644
--- a/Documentation/netlink/specs/devlink.yaml
+++ b/Documentation/netlink/specs/devlink.yaml
@@ -165,8 +165,13 @@ operations:
name: get
doc: Get devlink instances.
attribute-set: devlink
+ dont-validate:
+ - strict
+ - dump
do:
+ pre: devlink-nl-pre-doit
+ post: devlink-nl-post-doit
request:
value: 1
attributes: &dev-id-attrs
@@ -189,12 +194,17 @@ operations:
name: info-get
doc: Get device information, like driver name, hardware and firmware versions etc.
attribute-set: devlink
+ dont-validate:
+ - strict
+ - dump
do:
+ pre: devlink-nl-pre-doit
+ post: devlink-nl-post-doit
request:
value: 51
attributes: *dev-id-attrs
- reply:
+ reply: &info-get-reply
value: 51
attributes:
- bus-name
@@ -204,3 +214,5 @@ operations:
- info-version-fixed
- info-version-running
- info-version-stored
+ dump:
+ reply: *info-get-reply
diff --git a/net/devlink/Makefile b/net/devlink/Makefile
index ef91a76646a3..a087af581847 100644
--- a/net/devlink/Makefile
+++ b/net/devlink/Makefile
@@ -1,3 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
-obj-y := leftover.o core.o netlink.o dev.o health.o
+obj-y := leftover.o core.o netlink.o netlink_gen.o dev.o health.o
diff --git a/net/devlink/netlink_gen.c b/net/devlink/netlink_gen.c
new file mode 100644
index 000000000000..0091edc73a7a
--- /dev/null
+++ b/net/devlink/netlink_gen.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/devlink.yaml */
+/* YNL-GEN kernel source */
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include "netlink_gen.h"
+
+#include <uapi/linux/devlink.h>
+
+/* DEVLINK_CMD_GET - do */
+const struct nla_policy devlink_get_nl_policy[DEVLINK_ATTR_DEV_NAME + 1] = {
+ [DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING, },
+ [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, },
+};
+
+/* DEVLINK_CMD_INFO_GET - do */
+const struct nla_policy devlink_info_get_nl_policy[DEVLINK_ATTR_DEV_NAME + 1] = {
+ [DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING, },
+ [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, },
+};
+
+/* Ops table for devlink */
+const struct genl_split_ops devlink_nl_ops[4] = {
+ {
+ .cmd = DEVLINK_CMD_GET,
+ .validate = GENL_DONT_VALIDATE_STRICT,
+ .pre_doit = devlink_nl_pre_doit,
+ .doit = devlink_nl_get_doit,
+ .post_doit = devlink_nl_post_doit,
+ .policy = devlink_get_nl_policy,
+ .maxattr = DEVLINK_ATTR_DEV_NAME,
+ .flags = GENL_CMD_CAP_DO,
+ },
+ {
+ .cmd = DEVLINK_CMD_GET,
+ .validate = GENL_DONT_VALIDATE_DUMP_STRICT | GENL_DONT_VALIDATE_DUMP,
+ .dumpit = devlink_nl_get_dumpit,
+ .flags = GENL_CMD_CAP_DUMP,
+ },
+ {
+ .cmd = DEVLINK_CMD_INFO_GET,
+ .validate = GENL_DONT_VALIDATE_STRICT,
+ .pre_doit = devlink_nl_pre_doit,
+ .doit = devlink_nl_info_get_doit,
+ .post_doit = devlink_nl_post_doit,
+ .policy = devlink_info_get_nl_policy,
+ .maxattr = DEVLINK_ATTR_DEV_NAME,
+ .flags = GENL_CMD_CAP_DO,
+ },
+ {
+ .cmd = DEVLINK_CMD_INFO_GET,
+ .validate = GENL_DONT_VALIDATE_DUMP_STRICT | GENL_DONT_VALIDATE_DUMP,
+ .dumpit = devlink_nl_info_get_dumpit,
+ .flags = GENL_CMD_CAP_DUMP,
+ },
+};
diff --git a/net/devlink/netlink_gen.h b/net/devlink/netlink_gen.h
new file mode 100644
index 000000000000..b209869de83f
--- /dev/null
+++ b/net/devlink/netlink_gen.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/devlink.yaml */
+/* YNL-GEN kernel header */
+
+#ifndef _LINUX_DEVLINK_GEN_H
+#define _LINUX_DEVLINK_GEN_H
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include <uapi/linux/devlink.h>
+
+extern const struct nla_policy devlink_get_nl_policy[DEVLINK_ATTR_DEV_NAME + 1];
+
+extern const struct nla_policy devlink_info_get_nl_policy[DEVLINK_ATTR_DEV_NAME + 1];
+
+/* Ops table for devlink */
+extern const struct genl_split_ops devlink_nl_ops[4];
+
+int devlink_nl_pre_doit(const struct genl_split_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+void
+devlink_nl_post_doit(const struct genl_split_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+
+int devlink_nl_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
+int devlink_nl_info_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_info_get_dumpit(struct sk_buff *skb,
+ struct netlink_callback *cb);
+
+#endif /* _LINUX_DEVLINK_GEN_H */
--
2.41.0
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