linux/net/ethtool/plca.c

// SPDX-License-Identifier: GPL-2.0-only

#include <linux/phy.h>
#include <linux/ethtool_netlink.h>

#include "netlink.h"
#include "common.h"

struct plca_req_info { … };

struct plca_reply_data { … };

// Helpers ------------------------------------------------------------------ //

#define PLCA_REPDATA(__reply_base) …

// PLCA get configuration message ------------------------------------------- //

const struct nla_policy ethnl_plca_get_cfg_policy[] = …;

static void plca_update_sint(int *dst, struct nlattr **tb, u32 attrid,
			     bool *mod)
{ … }

static int plca_get_cfg_prepare_data(const struct ethnl_req_info *req_base,
				     struct ethnl_reply_data *reply_base,
				     const struct genl_info *info)
{ … }

static int plca_get_cfg_reply_size(const struct ethnl_req_info *req_base,
				   const struct ethnl_reply_data *reply_base)
{ … }

static int plca_get_cfg_fill_reply(struct sk_buff *skb,
				   const struct ethnl_req_info *req_base,
				   const struct ethnl_reply_data *reply_base)
{
	const struct plca_reply_data *data = PLCA_REPDATA(reply_base);
	const struct phy_plca_cfg *plca = &data->plca_cfg;

	if ((plca->version >= 0 &&
	     nla_put_u16(skb, ETHTOOL_A_PLCA_VERSION, plca->version)) ||
	    (plca->enabled >= 0 &&
	     nla_put_u8(skb, ETHTOOL_A_PLCA_ENABLED, !!plca->enabled)) ||
	    (plca->node_id >= 0 &&
	     nla_put_u32(skb, ETHTOOL_A_PLCA_NODE_ID, plca->node_id)) ||
	    (plca->node_cnt >= 0 &&
	     nla_put_u32(skb, ETHTOOL_A_PLCA_NODE_CNT, plca->node_cnt)) ||
	    (plca->to_tmr >= 0 &&
	     nla_put_u32(skb, ETHTOOL_A_PLCA_TO_TMR, plca->to_tmr)) ||
	    (plca->burst_cnt >= 0 &&
	     nla_put_u32(skb, ETHTOOL_A_PLCA_BURST_CNT, plca->burst_cnt)) ||
	    (plca->burst_tmr >= 0 &&
	     nla_put_u32(skb, ETHTOOL_A_PLCA_BURST_TMR, plca->burst_tmr)))
		return -EMSGSIZE;

	return 0;
};

// PLCA set configuration message ------------------------------------------- //

const struct nla_policy ethnl_plca_set_cfg_policy[] = …;

static int
ethnl_set_plca(struct ethnl_req_info *req_info, struct genl_info *info)
{ … }

const struct ethnl_request_ops ethnl_plca_cfg_request_ops = …;

// PLCA get status message -------------------------------------------------- //

const struct nla_policy ethnl_plca_get_status_policy[] = …;

static int plca_get_status_prepare_data(const struct ethnl_req_info *req_base,
					struct ethnl_reply_data *reply_base,
					const struct genl_info *info)
{ … }

static int plca_get_status_reply_size(const struct ethnl_req_info *req_base,
				      const struct ethnl_reply_data *reply_base)
{ … }

static int plca_get_status_fill_reply(struct sk_buff *skb,
				      const struct ethnl_req_info *req_base,
				      const struct ethnl_reply_data *reply_base)
{
	const struct plca_reply_data *data = PLCA_REPDATA(reply_base);
	const u8 status = data->plca_st.pst;

	if (nla_put_u8(skb, ETHTOOL_A_PLCA_STATUS, !!status))
		return -EMSGSIZE;

	return 0;
};

const struct ethnl_request_ops ethnl_plca_status_request_ops = …;