net: team: use policy generated by YAML spec

generated with:

$ ./tools/net/ynl/ynl-gen-c.py --mode kernel \
> --spec Documentation/netlink/specs/team.yaml --source \
> -o drivers/net/team/team_nl.c
$ ./tools/net/ynl/ynl-gen-c.py --mode kernel \
> --spec Documentation/netlink/specs/team.yaml --header \
> -o drivers/net/team/team_nl.h

The TEAM_ATTR_LIST_PORT in team_nl_policy is removed as it is only in the
port list reply attributes.

Signed-off-by: Hangbin Liu <[e-mail]>
Reviewed-by: Jiri Pirko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/team/Makefile

···
 # Makefile for the network team driver
 #
 
-team-y:= team_core.o
+team-y:= team_core.o team_nl.o
 obj-$(CONFIG_NET_TEAM) += team.o
 obj-$(CONFIG_NET_TEAM_MODE_BROADCAST) += team_mode_broadcast.o
 obj-$(CONFIG_NET_TEAM_MODE_ROUNDROBIN) += team_mode_roundrobin.o

drivers/net/team/team_core.c

···
 #include <net/sch_generic.h>
 #include <linux/if_team.h>
 
+#include "team_nl.h"
+
 #define DRV_NAME "team"
 
 
···
 
 static struct genl_family team_nl_family;
 
-static const struct nla_policy team_nl_policy[TEAM_ATTR_MAX + 1] = {
-	[TEAM_ATTR_UNSPEC]			= { .type = NLA_UNSPEC, },
-	[TEAM_ATTR_TEAM_IFINDEX]		= { .type = NLA_U32 },
-	[TEAM_ATTR_LIST_OPTION]			= { .type = NLA_NESTED },
-	[TEAM_ATTR_LIST_PORT]			= { .type = NLA_NESTED },
-};
-
-static const struct nla_policy
-team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = {
-	[TEAM_ATTR_OPTION_UNSPEC]		= { .type = NLA_UNSPEC, },
-	[TEAM_ATTR_OPTION_NAME] = {
-		.type = NLA_STRING,
-		.len = TEAM_STRING_MAX_LEN,
-	},
-	[TEAM_ATTR_OPTION_CHANGED]		= { .type = NLA_FLAG },
-	[TEAM_ATTR_OPTION_TYPE]			= { .type = NLA_U8 },
-	[TEAM_ATTR_OPTION_DATA]			= { .type = NLA_BINARY },
-	[TEAM_ATTR_OPTION_PORT_IFINDEX]		= { .type = NLA_U32 },
-	[TEAM_ATTR_OPTION_ARRAY_INDEX]		= { .type = NLA_U32 },
-};
-
-static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info)
+int team_nl_noop_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct sk_buff *msg;
 	void *hdr;
···
 	return err;
 }
 
-static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info)
+int team_nl_options_get_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct team *team;
 	struct team_option_inst *opt_inst;
···
 static int team_nl_send_event_options_get(struct team *team,
 					  struct list_head *sel_opt_inst_list);
 
-static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
+int team_nl_options_set_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct team *team;
 	int err = 0;
···
 		err = nla_parse_nested_deprecated(opt_attrs,
 						  TEAM_ATTR_OPTION_MAX,
 						  nl_option,
-						  team_nl_option_policy,
+						  team_attr_option_nl_policy,
 						  info->extack);
 		if (err)
 			goto team_put;
···
 	return err;
 }
 
-static int team_nl_cmd_port_list_get(struct sk_buff *skb,
-				     struct genl_info *info)
+int team_nl_port_list_get_doit(struct sk_buff *skb,
+			       struct genl_info *info)
 {
 	struct team *team;
 	int err;
···
 	return err;
 }
 
-static const struct genl_small_ops team_nl_ops[] = {
-	{
-		.cmd = TEAM_CMD_NOOP,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = team_nl_cmd_noop,
-	},
-	{
-		.cmd = TEAM_CMD_OPTIONS_SET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = team_nl_cmd_options_set,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = TEAM_CMD_OPTIONS_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = team_nl_cmd_options_get,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = TEAM_CMD_PORT_LIST_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = team_nl_cmd_port_list_get,
-		.flags = GENL_ADMIN_PERM,
-	},
-};
-
 static const struct genl_multicast_group team_nl_mcgrps[] = {
 	{ .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, },
 };
···
 static struct genl_family team_nl_family __ro_after_init = {
 	.name		= TEAM_GENL_NAME,
 	.version	= TEAM_GENL_VERSION,
-	.maxattr	= TEAM_ATTR_MAX,
+	.maxattr	= ARRAY_SIZE(team_nl_policy),
 	.policy = team_nl_policy,
 	.netnsok	= true,
 	.module		= THIS_MODULE,

drivers/net/team/team_nl.c

···
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+/* Do not edit directly, auto-generated from: */
+/*	Documentation/netlink/specs/team.yaml */
+/* YNL-GEN kernel source */
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include "team_nl.h"
+
+#include <uapi/linux/if_team.h>
+
+/* Common nested types */
+const struct nla_policy team_attr_option_nl_policy[TEAM_ATTR_OPTION_ARRAY_INDEX + 1] = {
+	[TEAM_ATTR_OPTION_NAME] = { .type = NLA_STRING, .len = TEAM_STRING_MAX_LEN, },
+	[TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG, },
+	[TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8, },
+	[TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY, },
+	[TEAM_ATTR_OPTION_REMOVED] = { .type = NLA_FLAG, },
+	[TEAM_ATTR_OPTION_PORT_IFINDEX] = { .type = NLA_U32, },
+	[TEAM_ATTR_OPTION_ARRAY_INDEX] = { .type = NLA_U32, },
+};
+
+const struct nla_policy team_item_option_nl_policy[TEAM_ATTR_ITEM_OPTION + 1] = {
+	[TEAM_ATTR_ITEM_OPTION] = NLA_POLICY_NESTED(team_attr_option_nl_policy),
+};
+
+/* Global operation policy for team */
+const struct nla_policy team_nl_policy[TEAM_ATTR_LIST_OPTION + 1] = {
+	[TEAM_ATTR_TEAM_IFINDEX] = { .type = NLA_U32, },
+	[TEAM_ATTR_LIST_OPTION] = NLA_POLICY_NESTED(team_item_option_nl_policy),
+};
+
+/* Ops table for team */
+const struct genl_small_ops team_nl_ops[4] = {
+	{
+		.cmd		= TEAM_CMD_NOOP,
+		.validate	= GENL_DONT_VALIDATE_STRICT,
+		.doit		= team_nl_noop_doit,
+	},
+	{
+		.cmd		= TEAM_CMD_OPTIONS_SET,
+		.validate	= GENL_DONT_VALIDATE_STRICT,
+		.doit		= team_nl_options_set_doit,
+		.flags		= GENL_ADMIN_PERM,
+	},
+	{
+		.cmd		= TEAM_CMD_OPTIONS_GET,
+		.validate	= GENL_DONT_VALIDATE_STRICT,
+		.doit		= team_nl_options_get_doit,
+		.flags		= GENL_ADMIN_PERM,
+	},
+	{
+		.cmd		= TEAM_CMD_PORT_LIST_GET,
+		.validate	= GENL_DONT_VALIDATE_STRICT,
+		.doit		= team_nl_port_list_get_doit,
+		.flags		= GENL_ADMIN_PERM,
+	},
+};

drivers/net/team/team_nl.h

···
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/*	Documentation/netlink/specs/team.yaml */
+/* YNL-GEN kernel header */
+
+#ifndef _LINUX_TEAM_GEN_H
+#define _LINUX_TEAM_GEN_H
+
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+#include <uapi/linux/if_team.h>
+
+/* Common nested types */
+extern const struct nla_policy team_attr_option_nl_policy[TEAM_ATTR_OPTION_ARRAY_INDEX + 1];
+extern const struct nla_policy team_item_option_nl_policy[TEAM_ATTR_ITEM_OPTION + 1];
+
+/* Global operation policy for team */
+extern const struct nla_policy team_nl_policy[TEAM_ATTR_LIST_OPTION + 1];
+
+/* Ops table for team */
+extern const struct genl_small_ops team_nl_ops[4];
+
+int team_nl_noop_doit(struct sk_buff *skb, struct genl_info *info);
+int team_nl_options_set_doit(struct sk_buff *skb, struct genl_info *info);
+int team_nl_options_get_doit(struct sk_buff *skb, struct genl_info *info);
+int team_nl_port_list_get_doit(struct sk_buff *skb, struct genl_info *info);
+
+#endif /* _LINUX_TEAM_GEN_H */