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Date: Thu, 20 Jul 2023 14:18:27 +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 v2 09/11] devlink: convert rest of the iterator dumpit commands to split ops

From: Jiri Pirko <jiri@...dia.com>

In a similar fashion couple of example commands were converted
previously, do the conversion of the rest of the commands that use
devlink_nl_instance_iter_dumpit() callback.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
 net/devlink/devl_internal.h |  19 ++++--
 net/devlink/leftover.c      | 115 +++++-------------------------------
 net/devlink/netlink.c       |  28 ++++++++-
 3 files changed, 56 insertions(+), 106 deletions(-)

diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h
index dc655d5797a8..79614b45e8ac 100644
--- a/net/devlink/devl_internal.h
+++ b/net/devlink/devl_internal.h
@@ -116,7 +116,7 @@ struct devlink_cmd {
 			struct netlink_callback *cb);
 };
 
-extern const struct genl_small_ops devlink_nl_ops[52];
+extern const struct genl_small_ops devlink_nl_ops[40];
 
 struct devlink *
 devlink_get_from_attrs_lock(struct net *net, struct nlattr **attrs);
@@ -124,9 +124,6 @@ devlink_get_from_attrs_lock(struct net *net, struct nlattr **attrs);
 void devlink_notify_unregister(struct devlink *devlink);
 void devlink_notify_register(struct devlink *devlink);
 
-int devlink_nl_instance_iter_dumpit(struct sk_buff *msg,
-				    struct netlink_callback *cb);
-
 static inline struct devlink_nl_dump_state *
 devlink_dump_state(struct netlink_callback *cb)
 {
@@ -211,8 +208,15 @@ int devlink_nl_cmd_selftests_get_doit(struct sk_buff *skb, struct genl_info *inf
 int devlink_nl_cmd_selftests_run(struct sk_buff *skb, struct genl_info *info);
 int devlink_nl_cmd_port_get_doit(struct sk_buff *skb,
 				 struct genl_info *info);
+int devlink_nl_cmd_sb_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_sb_pool_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_sb_port_pool_get_doit(struct sk_buff *skb,
+					 struct genl_info *info);
+int devlink_nl_cmd_sb_tc_pool_bind_get_doit(struct sk_buff *skb,
+					    struct genl_info *info);
 int devlink_nl_cmd_param_get_doit(struct sk_buff *skb,
 				  struct genl_info *info);
+int devlink_nl_cmd_region_get_doit(struct sk_buff *skb, struct genl_info *info);
 int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
 					    struct genl_info *info);
 int devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
@@ -227,4 +231,11 @@ int devlink_nl_cmd_health_reporter_dump_clear_doit(struct sk_buff *skb,
 						   struct genl_info *info);
 int devlink_nl_cmd_health_reporter_test_doit(struct sk_buff *skb,
 					     struct genl_info *info);
+int devlink_nl_cmd_rate_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_linecard_get_doit(struct sk_buff *skb,
+				     struct genl_info *info);
 int devlink_nl_cmd_trap_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_trap_group_get_doit(struct sk_buff *skb,
+				       struct genl_info *info);
+int devlink_nl_cmd_trap_policer_get_doit(struct sk_buff *skb,
+					 struct genl_info *info);
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index 3dbba1906ee6..58ea1b9cc708 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -1038,8 +1038,7 @@ const struct devlink_cmd devl_cmd_rate_get = {
 	.dump_one		= devlink_nl_cmd_rate_get_dump_one,
 };
 
-static int devlink_nl_cmd_rate_get_doit(struct sk_buff *skb,
-					struct genl_info *info)
+int devlink_nl_cmd_rate_get_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct devlink *devlink = info->user_ptr[0];
 	struct devlink_rate *devlink_rate;
@@ -1825,8 +1824,8 @@ static void devlink_linecard_notify(struct devlink_linecard *linecard,
 				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
 }
 
-static int devlink_nl_cmd_linecard_get_doit(struct sk_buff *skb,
-					    struct genl_info *info)
+int devlink_nl_cmd_linecard_get_doit(struct sk_buff *skb,
+				     struct genl_info *info)
 {
 	struct devlink *devlink = info->user_ptr[0];
 	struct devlink_linecard *linecard;
@@ -2091,8 +2090,7 @@ static int devlink_nl_sb_fill(struct sk_buff *msg, struct devlink *devlink,
 	return -EMSGSIZE;
 }
 
-static int devlink_nl_cmd_sb_get_doit(struct sk_buff *skb,
-				      struct genl_info *info)
+int devlink_nl_cmd_sb_get_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct devlink *devlink = info->user_ptr[0];
 	struct devlink_sb *devlink_sb;
@@ -2194,8 +2192,7 @@ static int devlink_nl_sb_pool_fill(struct sk_buff *msg, struct devlink *devlink,
 	return -EMSGSIZE;
 }
 
-static int devlink_nl_cmd_sb_pool_get_doit(struct sk_buff *skb,
-					   struct genl_info *info)
+int devlink_nl_cmd_sb_pool_get_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct devlink *devlink = info->user_ptr[0];
 	struct devlink_sb *devlink_sb;
@@ -2394,8 +2391,8 @@ static int devlink_nl_sb_port_pool_fill(struct sk_buff *msg,
 	return err;
 }
 
-static int devlink_nl_cmd_sb_port_pool_get_doit(struct sk_buff *skb,
-						struct genl_info *info)
+int devlink_nl_cmd_sb_port_pool_get_doit(struct sk_buff *skb,
+					 struct genl_info *info)
 {
 	struct devlink_port *devlink_port = info->user_ptr[1];
 	struct devlink *devlink = devlink_port->devlink;
@@ -2603,8 +2600,8 @@ devlink_nl_sb_tc_pool_bind_fill(struct sk_buff *msg, struct devlink *devlink,
 	return -EMSGSIZE;
 }
 
-static int devlink_nl_cmd_sb_tc_pool_bind_get_doit(struct sk_buff *skb,
-						   struct genl_info *info)
+int devlink_nl_cmd_sb_tc_pool_bind_get_doit(struct sk_buff *skb,
+					    struct genl_info *info)
 {
 	struct devlink_port *devlink_port = info->user_ptr[1];
 	struct devlink *devlink = devlink_port->devlink;
@@ -4793,8 +4790,7 @@ static void devlink_region_snapshot_del(struct devlink_region *region,
 	kfree(snapshot);
 }
 
-static int devlink_nl_cmd_region_get_doit(struct sk_buff *skb,
-					  struct genl_info *info)
+int devlink_nl_cmd_region_get_doit(struct sk_buff *skb, struct genl_info *info)
 {
 	struct devlink *devlink = info->user_ptr[0];
 	struct devlink_port *port = NULL;
@@ -5865,8 +5861,8 @@ devlink_nl_trap_group_fill(struct sk_buff *msg, struct devlink *devlink,
 	return -EMSGSIZE;
 }
 
-static int devlink_nl_cmd_trap_group_get_doit(struct sk_buff *skb,
-					      struct genl_info *info)
+int devlink_nl_cmd_trap_group_get_doit(struct sk_buff *skb,
+				       struct genl_info *info)
 {
 	struct netlink_ext_ack *extack = info->extack;
 	struct devlink *devlink = info->user_ptr[0];
@@ -6159,8 +6155,8 @@ devlink_nl_trap_policer_fill(struct sk_buff *msg, struct devlink *devlink,
 	return -EMSGSIZE;
 }
 
-static int devlink_nl_cmd_trap_policer_get_doit(struct sk_buff *skb,
-						struct genl_info *info)
+int devlink_nl_cmd_trap_policer_get_doit(struct sk_buff *skb,
+					 struct genl_info *info)
 {
 	struct devlink_trap_policer_item *policer_item;
 	struct netlink_ext_ack *extack = info->extack;
@@ -6300,14 +6296,7 @@ static int devlink_nl_cmd_trap_policer_set_doit(struct sk_buff *skb,
 	return devlink_trap_policer_set(devlink, policer_item, info);
 }
 
-const struct genl_small_ops devlink_nl_ops[52] = {
-	{
-		.cmd = DEVLINK_CMD_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
+const struct genl_small_ops devlink_nl_ops[40] = {
 	{
 		.cmd = DEVLINK_CMD_PORT_SET,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -6315,12 +6304,6 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.flags = GENL_ADMIN_PERM,
 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 	},
-	{
-		.cmd = DEVLINK_CMD_RATE_GET,
-		.doit = devlink_nl_cmd_rate_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_RATE_SET,
 		.doit = devlink_nl_cmd_rate_set_doit,
@@ -6361,45 +6344,17 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.flags = GENL_ADMIN_PERM,
 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 	},
-	{
-		.cmd = DEVLINK_CMD_LINECARD_GET,
-		.doit = devlink_nl_cmd_linecard_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_LINECARD_SET,
 		.doit = devlink_nl_cmd_linecard_set_doit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_SB_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_sb_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
-	{
-		.cmd = DEVLINK_CMD_SB_POOL_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_sb_pool_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_SB_POOL_SET,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 		.doit = devlink_nl_cmd_sb_pool_set_doit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_SB_PORT_POOL_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_sb_port_pool_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -6407,14 +6362,6 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.flags = GENL_ADMIN_PERM,
 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 	},
-	{
-		.cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_sb_tc_pool_bind_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -6509,13 +6456,6 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.flags = GENL_ADMIN_PERM,
 		.internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 	},
-	{
-		.cmd = DEVLINK_CMD_REGION_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_region_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		.flags = GENL_ADMIN_PERM,
-	},
 	{
 		.cmd = DEVLINK_CMD_REGION_NEW,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -6535,13 +6475,6 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.dumpit = devlink_nl_cmd_region_read_dumpit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_INFO_GET,
-		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = devlink_nl_cmd_info_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_HEALTH_REPORTER_SET,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -6595,34 +6528,16 @@ const struct genl_small_ops devlink_nl_ops[52] = {
 		.doit = devlink_nl_cmd_trap_set_doit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_TRAP_GROUP_GET,
-		.doit = devlink_nl_cmd_trap_group_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_TRAP_GROUP_SET,
 		.doit = devlink_nl_cmd_trap_group_set_doit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_TRAP_POLICER_GET,
-		.doit = devlink_nl_cmd_trap_policer_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_TRAP_POLICER_SET,
 		.doit = devlink_nl_cmd_trap_policer_set_doit,
 		.flags = GENL_ADMIN_PERM,
 	},
-	{
-		.cmd = DEVLINK_CMD_SELFTESTS_GET,
-		.doit = devlink_nl_cmd_selftests_get_doit,
-		.dumpit = devlink_nl_instance_iter_dumpit,
-		/* can be retrieved by unprivileged users */
-	},
 	{
 		.cmd = DEVLINK_CMD_SELFTESTS_RUN,
 		.doit = devlink_nl_cmd_selftests_run,
diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c
index 3dae9303cfa7..90497d0e1a7b 100644
--- a/net/devlink/netlink.c
+++ b/net/devlink/netlink.c
@@ -195,8 +195,8 @@ static const struct devlink_cmd *devl_cmds[] = {
 	[DEVLINK_CMD_SELFTESTS_GET]	= &devl_cmd_selftests_get,
 };
 
-int devlink_nl_instance_iter_dumpit(struct sk_buff *msg,
-				    struct netlink_callback *cb)
+static int devlink_nl_instance_iter_dumpit(struct sk_buff *msg,
+					   struct netlink_callback *cb)
 {
 	const struct genl_dumpit_info *info = genl_dumpit_info(cb);
 	struct devlink_nl_dump_state *state = devlink_dump_state(cb);
@@ -286,15 +286,39 @@ int devlink_nl_instance_iter_dumpit(struct sk_buff *msg,
 	__DEVL_NL_OP_DUMP(cmd_subname, 0, maxattr, policy)
 
 static const struct genl_split_ops devlink_nl_split_ops[] = {
+	DEVL_NL_OP_LEGACY_DO(GET, get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(GET),
 	DEVL_NL_OP_LEGACY_DO(PORT_GET, port_get, port),
 	DEVL_NL_OP_LEGACY_DUMP(PORT_GET),
+	DEVL_NL_OP_LEGACY_DO(SB_GET, sb_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(SB_GET),
+	DEVL_NL_OP_LEGACY_DO(SB_POOL_GET, sb_pool_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(SB_POOL_GET),
+	DEVL_NL_OP_LEGACY_DO(SB_PORT_POOL_GET, sb_port_pool_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(SB_PORT_POOL_GET),
+	DEVL_NL_OP_LEGACY_DO(SB_TC_POOL_BIND_GET, sb_tc_pool_bind_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(SB_TC_POOL_BIND_GET),
 	DEVL_NL_OP_LEGACY_DO(PARAM_GET, param_get, simple),
 	DEVL_NL_OP_LEGACY_DUMP(PARAM_GET),
+	DEVL_NL_OP_LEGACY_DO(REGION_GET, region_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(REGION_GET),
+	DEVL_NL_OP_LEGACY_DO(INFO_GET, info_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(INFO_GET),
 	DEVL_NL_OP_LEGACY_DO(HEALTH_REPORTER_GET, health_reporter_get,
 			     port_optional),
 	DEVL_NL_OP_LEGACY_DUMP(HEALTH_REPORTER_GET),
 	DEVL_NL_OP_LEGACY_STRICT_DO(TRAP_GET, trap_get, simple),
 	DEVL_NL_OP_LEGACY_STRICT_DUMP(TRAP_GET),
+	DEVL_NL_OP_LEGACY_STRICT_DO(TRAP_GROUP_GET, trap_group_get, simple),
+	DEVL_NL_OP_LEGACY_STRICT_DUMP(TRAP_GROUP_GET),
+	DEVL_NL_OP_LEGACY_STRICT_DO(TRAP_POLICER_GET, trap_policer_get, simple),
+	DEVL_NL_OP_LEGACY_STRICT_DUMP(TRAP_POLICER_GET),
+	DEVL_NL_OP_LEGACY_DO(RATE_GET, rate_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(RATE_GET),
+	DEVL_NL_OP_LEGACY_DO(LINECARD_GET, linecard_get, simple),
+	DEVL_NL_OP_LEGACY_DUMP(LINECARD_GET),
+	DEVL_NL_OP_LEGACY_STRICT_DO(SELFTESTS_GET, selftests_get, simple),
+	DEVL_NL_OP_LEGACY_STRICT_DUMP(SELFTESTS_GET),
 	/* For every newly added command put above this line the set of macros
 	 * DEVL_NL_OP_DO and DEVL_NL_OP_DUMP should be used. Note that
 	 * there is an exception with non-iterator dump implementation.
-- 
2.41.0


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