1 // SPDX-License-Identifier: GPL-2.0-only
3 // ethtool interface for Ethernet PSE (Power Sourcing Equipment)
10 #include "linux/pse-pd/pse.h"
38 	struct phy_device *phydev = dev->phydev;  in pse_get_pse_attributes()
42 		return -EOPNOTSUPP;  in pse_get_pse_attributes()
45 	if (!phydev->psec) {  in pse_get_pse_attributes()
46 		NL_SET_ERR_MSG(extack, "No PSE is attached");  in pse_get_pse_attributes()
47 		return -EOPNOTSUPP;  in pse_get_pse_attributes()
50 	memset(&data->status, 0, sizeof(data->status));  in pse_get_pse_attributes()
52 	return pse_ethtool_get_status(phydev->psec, extack, &data->status);  in pse_get_pse_attributes()
60 	struct net_device *dev = reply_base->dev;  in pse_prepare_data()
67 	ret = pse_get_pse_attributes(dev, info->extack, data);  in pse_prepare_data()
78 	const struct pse_control_status *st = &data->status;  in pse_reply_size()
81 	if (st->podl_admin_state > 0)  in pse_reply_size()
83 	if (st->podl_pw_status > 0)  in pse_reply_size()
94 	const struct pse_control_status *st = &data->status;  in pse_fill_reply()
96 	if (st->podl_admin_state > 0 &&  in pse_fill_reply()
98 			st->podl_admin_state))  in pse_fill_reply()
99 		return -EMSGSIZE;  in pse_fill_reply()
101 	if (st->podl_pw_status > 0 &&  in pse_fill_reply()
103 			st->podl_pw_status))  in pse_fill_reply()
104 		return -EMSGSIZE;  in pse_fill_reply()
121 	return !!info->attrs[ETHTOOL_A_PODL_PSE_ADMIN_CONTROL];  in ethnl_set_pse_validate()
127 	struct net_device *dev = req_info->dev;  in ethnl_set_pse()
129 	struct nlattr **tb = info->attrs;  in ethnl_set_pse()
135 	phydev = dev->phydev;  in ethnl_set_pse()
137 		NL_SET_ERR_MSG(info->extack, "No PHY is attached");  in ethnl_set_pse()
138 		return -EOPNOTSUPP;  in ethnl_set_pse()
141 	if (!phydev->psec) {  in ethnl_set_pse()
142 		NL_SET_ERR_MSG(info->extack, "No PSE is attached");  in ethnl_set_pse()
143 		return -EOPNOTSUPP;  in ethnl_set_pse()
146 	/* Return errno directly - PSE has no notification */  in ethnl_set_pse()
147 	return pse_ethtool_set_config(phydev->psec, info->extack, &config);  in ethnl_set_pse()
163 	/* PSE has no notification */