// SPDX-License-Identifier: GPL-2.0-only #include "bitset.h"#include "common.h"#include "netlink.h" struct eee_req_info {	struct ethnl_req_info		base;}; struct eee_reply_data {	struct ethnl_reply_data		base;	struct ethtool_keee		eee;}; #define EEE_REPDATA(__reply_base) \	container_of(__reply_base, struct eee_reply_data, base) const struct nla_policy ethnl_eee_get_policy[] = {	[ETHTOOL_A_EEE_HEADER]		=		NLA_POLICY_NESTED(ethnl_header_policy),}; static int eee_prepare_data(const struct ethnl_req_info *req_base,			    struct ethnl_reply_data *reply_base,			    const struct genl_info *info){	struct eee_reply_data *data = EEE_REPDATA(reply_base);	struct net_device *dev = reply_base->dev;	struct ethtool_keee *eee = &data->eee;	int ret; 	if (!dev->ethtool_ops->get_eee)		return -EOPNOTSUPP;	ret = ethnl_ops_begin(dev);	if (ret < 0)		return ret;	ret = dev->ethtool_ops->get_eee(dev, eee);	ethnl_ops_complete(dev); 	return ret;} static int eee_reply_size(const struct ethnl_req_info *req_base,			  const struct ethnl_reply_data *reply_base){	bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;	const struct eee_reply_data *data = EEE_REPDATA(reply_base);	const struct ethtool_keee *eee = &data->eee;	int len = 0;	int ret; 	/* MODES_OURS */	ret = ethnl_bitset_size(eee->advertised, eee->supported,				__ETHTOOL_LINK_MODE_MASK_NBITS,				link_mode_names, compact);	if (ret < 0)		return ret;	len += ret;	/* MODES_PEERS */	ret = ethnl_bitset_size(eee->lp_advertised, NULL,				__ETHTOOL_LINK_MODE_MASK_NBITS,				link_mode_names, compact);	if (ret < 0)		return ret;	len += ret; 	len += nla_total_size(sizeof(u8)) +	/* _EEE_ACTIVE */	       nla_total_size(sizeof(u8)) +	/* _EEE_ENABLED */	       nla_total_size(sizeof(u8)) +	/* _EEE_TX_LPI_ENABLED */	       nla_total_size(sizeof(u32));	/* _EEE_TX_LPI_TIMER */ 	return len;} static int eee_fill_reply(struct sk_buff *skb,			  const struct ethnl_req_info *req_base,			  const struct ethnl_reply_data *reply_base){	bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;	const struct eee_reply_data *data = EEE_REPDATA(reply_base);	const struct ethtool_keee *eee = &data->eee;	int ret; 	ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_OURS,			       eee->advertised, eee->supported,			       __ETHTOOL_LINK_MODE_MASK_NBITS,			       link_mode_names, compact);	if (ret < 0)		return ret;	ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_PEER,			       eee->lp_advertised, NULL,			       __ETHTOOL_LINK_MODE_MASK_NBITS,			       link_mode_names, compact);	if (ret < 0)		return ret; 	if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, eee->eee_active) ||	    nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, eee->eee_enabled) ||	    nla_put_u8(skb, ETHTOOL_A_EEE_TX_LPI_ENABLED,		       eee->tx_lpi_enabled) ||	    nla_put_u32(skb, ETHTOOL_A_EEE_TX_LPI_TIMER, eee->tx_lpi_timer))		return -EMSGSIZE; 	return 0;} /* EEE_SET */ const struct nla_policy ethnl_eee_set_policy[] = {	[ETHTOOL_A_EEE_HEADER]		=		NLA_POLICY_NESTED(ethnl_header_policy),	[ETHTOOL_A_EEE_MODES_OURS]	= { .type = NLA_NESTED },	[ETHTOOL_A_EEE_ENABLED]		= { .type = NLA_U8 },	[ETHTOOL_A_EEE_TX_LPI_ENABLED]	= { .type = NLA_U8 },	[ETHTOOL_A_EEE_TX_LPI_TIMER]	= { .type = NLA_U32 },}; static intethnl_set_eee_validate(struct ethnl_req_info *req_info, struct genl_info *info){	const struct ethtool_ops *ops = req_info->dev->ethtool_ops; 	return ops->get_eee && ops->set_eee ? 1 : -EOPNOTSUPP;} static intethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info){	struct net_device *dev = req_info->dev;	struct nlattr **tb = info->attrs;	struct ethtool_keee eee = {};	bool mod = false;	int ret; 	ret = dev->ethtool_ops->get_eee(dev, &eee);	if (ret < 0)		return ret; 	ret = ethnl_update_bitset(eee.advertised,				  __ETHTOOL_LINK_MODE_MASK_NBITS,				  tb[ETHTOOL_A_EEE_MODES_OURS],				  link_mode_names, info->extack, &mod);	if (ret < 0)		return ret;	ethnl_update_bool(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod);	ethnl_update_bool(&eee.tx_lpi_enabled, tb[ETHTOOL_A_EEE_TX_LPI_ENABLED],			  &mod);	ethnl_update_u32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER],			 &mod);	if (!mod)		return 0; 	ret = dev->ethtool_ops->set_eee(dev, &eee);	return ret < 0 ? ret : 1;} const struct ethnl_request_ops ethnl_eee_request_ops = {	.request_cmd		= ETHTOOL_MSG_EEE_GET,	.reply_cmd		= ETHTOOL_MSG_EEE_GET_REPLY,	.hdr_attr		= ETHTOOL_A_EEE_HEADER,	.req_info_size		= sizeof(struct eee_req_info),	.reply_data_size	= sizeof(struct eee_reply_data), 	.prepare_data		= eee_prepare_data,	.reply_size		= eee_reply_size,	.fill_reply		= eee_fill_reply, 	.set_validate		= ethnl_set_eee_validate,	.set			= ethnl_set_eee,	.set_ntf_cmd		= ETHTOOL_MSG_EEE_NTF,};