ethtool: netlink: convert commands to common SET

Convert all SET commands where new common code is applicable.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 35 insertions, 54 deletions

diff --git a/net/ethtool/module.c b/net/ethtool/module.c
index 898ed436b9e4..e0d539b21423 100644
--- a/net/ethtool/module.c
+++ b/net/ethtool/module.c
@@ -91,18 +91,6 @@ static int module_fill_reply(struct sk_buff *skb,
 	return 0;
 }
 
-const struct ethnl_request_ops ethnl_module_request_ops = {
-	.request_cmd		= ETHTOOL_MSG_MODULE_GET,
-	.reply_cmd		= ETHTOOL_MSG_MODULE_GET_REPLY,
-	.hdr_attr		= ETHTOOL_A_MODULE_HEADER,
-	.req_info_size		= sizeof(struct module_req_info),
-	.reply_data_size	= sizeof(struct module_reply_data),
-
-	.prepare_data		= module_prepare_data,
-	.reply_size		= module_reply_size,
-	.fill_reply		= module_fill_reply,
-};
-
 /* MODULE_SET */
 
 const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLICY + 1] = {
@@ -112,69 +100,62 @@ const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLI
 				 ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO),
 };
 
-static int module_set_power_mode(struct net_device *dev, struct nlattr **tb,
-				 bool *p_mod, struct netlink_ext_ack *extack)
+static int
+ethnl_set_module_validate(struct ethnl_req_info *req_info,
+			  struct genl_info *info)
 {
-	struct ethtool_module_power_mode_params power = {};
-	struct ethtool_module_power_mode_params power_new;
-	const struct ethtool_ops *ops = dev->ethtool_ops;
-	int ret;
+	const struct ethtool_ops *ops = req_info->dev->ethtool_ops;
+	struct nlattr **tb = info->attrs;
 
 	if (!tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY])
 		return 0;
 
 	if (!ops->get_module_power_mode || !ops->set_module_power_mode) {
-		NL_SET_ERR_MSG_ATTR(extack,
+		NL_SET_ERR_MSG_ATTR(info->extack,
 				    tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY],
 				    "Setting power mode policy is not supported by this device");
 		return -EOPNOTSUPP;
 	}
 
-	power_new.policy = nla_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);
-	ret = ops->get_module_power_mode(dev, &power, extack);
-	if (ret < 0)
-		return ret;
-
-	if (power_new.policy == power.policy)
-		return 0;
-	*p_mod = true;
-
-	return ops->set_module_power_mode(dev, &power_new, extack);
+	return 1;
 }
 
-int ethnl_set_module(struct sk_buff *skb, struct genl_info *info)
+static int
+ethnl_set_module(struct ethnl_req_info *req_info, struct genl_info *info)
 {
-	struct ethnl_req_info req_info = {};
+	struct ethtool_module_power_mode_params power = {};
+	struct ethtool_module_power_mode_params power_new;
+	const struct ethtool_ops *ops;
+	struct net_device *dev = req_info->dev;
 	struct nlattr **tb = info->attrs;
-	struct net_device *dev;
-	bool mod = false;
 	int ret;
 
-	ret = ethnl_parse_header_dev_get(&req_info, tb[ETHTOOL_A_MODULE_HEADER],
-					 genl_info_net(info), info->extack,
-					 true);
+	ops = dev->ethtool_ops;
+
+	power_new.policy = nla_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);
+	ret = ops->get_module_power_mode(dev, &power, info->extack);
 	if (ret < 0)
 		return ret;
-	dev = req_info.dev;
 
-	rtnl_lock();
-	ret = ethnl_ops_begin(dev);
-	if (ret < 0)
-		goto out_rtnl;
+	if (power_new.policy == power.policy)
+		return 0;
 
-	ret = module_set_power_mode(dev, tb, &mod, info->extack);
-	if (ret < 0)
-		goto out_ops;
+	ret = ops->set_module_power_mode(dev, &power_new, info->extack);
+	return ret < 0 ? ret : 1;
+}
 
-	if (!mod)
-		goto out_ops;
+const struct ethnl_request_ops ethnl_module_request_ops = {
+	.request_cmd		= ETHTOOL_MSG_MODULE_GET,
+	.reply_cmd		= ETHTOOL_MSG_MODULE_GET_REPLY,
+	.hdr_attr		= ETHTOOL_A_MODULE_HEADER,
+	.req_info_size		= sizeof(struct module_req_info),
+	.reply_data_size	= sizeof(struct module_reply_data),
 
-	ethtool_notify(dev, ETHTOOL_MSG_MODULE_NTF, NULL);
+	.prepare_data		= module_prepare_data,
+	.reply_size		= module_reply_size,
+	.fill_reply		= module_fill_reply,
 
-out_ops:
-	ethnl_ops_complete(dev);
-out_rtnl:
-	rtnl_unlock();
-	ethnl_parse_header_dev_put(&req_info);
-	return ret;
-}
+	.set_validate		= ethnl_set_module_validate,
+	.set			= ethnl_set_module,
+	.set_ntf_cmd		= ETHTOOL_MSG_MODULE_NTF,
+};