1 files changed, 0 insertions, 306 deletions
diff --git a/net/ethtool/phy.c b/net/ethtool/phy.c
deleted file mode 100644
index 5add2840aaeb..000000000000
--- a/net/ethtool/phy.c
+++ /dev/null
@@ -1,306 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2023 Bootlin
- *
- */
-#include "common.h"
-#include "netlink.h"
-
-#include <linux/phy.h>
-#include <linux/phy_link_topology.h>
-#include <linux/sfp.h>
-
-struct phy_req_info {
-	struct ethnl_req_info		base;
-	struct phy_device_node		pdn;
-};
-
-#define PHY_REQINFO(__req_base) \
-	container_of(__req_base, struct phy_req_info, base)
-
-const struct nla_policy ethnl_phy_get_policy[ETHTOOL_A_PHY_HEADER + 1] = {
-	[ETHTOOL_A_PHY_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
-};
-
-/* Caller holds rtnl */
-static ssize_t
-ethnl_phy_reply_size(const struct ethnl_req_info *req_base,
-		     struct netlink_ext_ack *extack)
-{
-	struct phy_link_topology *topo;
-	struct phy_device_node *pdn;
-	struct phy_device *phydev;
-	unsigned long index;
-	size_t size;
-
-	ASSERT_RTNL();
-
-	topo = &req_base->dev->link_topo;
-
-	size = nla_total_size(0);
-
-	xa_for_each(&topo->phys, index, pdn) {
-		phydev = pdn->phy;
-
-		/* ETHTOOL_A_PHY_INDEX */
-		size += nla_total_size(sizeof(u32));
-
-		/* ETHTOOL_A_DRVNAME */
-		size += nla_total_size(strlen(phydev->drv->name) + 1);
-
-		/* ETHTOOL_A_NAME */
-		size += nla_total_size(strlen(dev_name(&phydev->mdio.dev)) + 1);
-
-		/* ETHTOOL_A_PHY_UPSTREAM_TYPE */
-		size += nla_total_size(sizeof(u8));
-
-		/* ETHTOOL_A_PHY_ID */
-		size += nla_total_size(sizeof(u32));
-
-		if (phy_on_sfp(phydev)) {
-			const char *upstream_sfp_name = sfp_get_name(pdn->parent_sfp_bus);
-
-			/* ETHTOOL_A_PHY_UPSTREAM_SFP_NAME */
-			if (upstream_sfp_name)
-				size += nla_total_size(strlen(upstream_sfp_name) + 1);
-
-			/* ETHTOOL_A_PHY_UPSTREAM_INDEX */
-			size += nla_total_size(sizeof(u32));
-		}
-
-		/* ETHTOOL_A_PHY_DOWNSTREAM_SFP_NAME */
-		if (phydev->sfp_bus) {
-			const char *sfp_name = sfp_get_name(phydev->sfp_bus);
-
-			if (sfp_name)
-				size += nla_total_size(strlen(sfp_name) + 1);
-		}
-	}
-
-	return size;
-}
-
-static int
-ethnl_phy_fill_reply(const struct ethnl_req_info *req_base, struct sk_buff *skb)
-{
-	struct phy_req_info *req_info = PHY_REQINFO(req_base);
-	struct phy_device_node *pdn = &req_info->pdn;
-	struct phy_device *phydev = pdn->phy;
-	enum phy_upstream ptype;
-	struct nlattr *nest;
-
-	ptype = pdn->upstream_type;
-
-	if (nla_put_u32(skb, ETHTOOL_A_PHY_INDEX, phydev->phyindex) ||
-	    nla_put_string(skb, ETHTOOL_A_PHY_DRVNAME, phydev->drv->name) ||
-	    nla_put_string(skb, ETHTOOL_A_PHY_NAME, dev_name(&phydev->mdio.dev)) ||
-	    nla_put_u8(skb, ETHTOOL_A_PHY_UPSTREAM_TYPE, ptype) ||
-	    nla_put_u32(skb, ETHTOOL_A_PHY_ID, phydev->phy_id))
-		return -EMSGSIZE;
-
-	if (ptype == PHY_UPSTREAM_PHY) {
-		struct phy_device *upstream = pdn->upstream.phydev;
-		const char *sfp_upstream_name;
-
-		nest = nla_nest_start(skb, ETHTOOL_A_PHY_UPSTREAM);
-		if (!nest)
-			return -EMSGSIZE;
-
-		/* Parent index */
-		if (nla_put_u32(skb, ETHTOOL_A_PHY_UPSTREAM_INDEX, upstream->phyindex))
-			return -EMSGSIZE;
-
-		if (pdn->parent_sfp_bus) {
-			sfp_upstream_name = sfp_get_name(pdn->parent_sfp_bus);
-			if (sfp_upstream_name && nla_put_string(skb,
-								ETHTOOL_A_PHY_UPSTREAM_SFP_NAME,
-								sfp_upstream_name))
-				return -EMSGSIZE;
-		}
-
-		nla_nest_end(skb, nest);
-	}
-
-	if (phydev->sfp_bus) {
-		const char *sfp_name = sfp_get_name(phydev->sfp_bus);
-
-		if (sfp_name &&
-		    nla_put_string(skb, ETHTOOL_A_PHY_DOWNSTREAM_SFP_NAME,
-				   sfp_name))
-			return -EMSGSIZE;
-	}
-
-	return 0;
-}
-
-static int ethnl_phy_parse_request(struct ethnl_req_info *req_base,
-				   struct nlattr **tb)
-{
-	struct phy_link_topology *topo = &req_base->dev->link_topo;
-	struct phy_req_info *req_info = PHY_REQINFO(req_base);
-	struct phy_device_node *pdn;
-
-	if (!req_base->phydev)
-		return 0;
-
-	pdn = xa_load(&topo->phys, req_base->phydev->phyindex);
-	memcpy(&req_info->pdn, pdn, sizeof(*pdn));
-
-	return 0;
-}
-
-int ethnl_phy_doit(struct sk_buff *skb, struct genl_info *info)
-{
-	struct phy_req_info req_info = {};
-	struct nlattr **tb = info->attrs;
-	struct sk_buff *rskb;
-	void *reply_payload;
-	int reply_len;
-	int ret;
-
-	ret = ethnl_parse_header_dev_get(&req_info.base,
-					 tb[ETHTOOL_A_PHY_HEADER],
-					 genl_info_net(info), info->extack,
-					 true);
-	if (ret < 0)
-		return ret;
-
-	rtnl_lock();
-
-	ret = ethnl_phy_parse_request(&req_info.base, tb);
-	if (ret < 0)
-		goto err_unlock_rtnl;
-
-	/* No PHY, return early */
-	if (!req_info.pdn.phy)
-		goto err_unlock_rtnl;
-
-	ret = ethnl_phy_reply_size(&req_info.base, info->extack);
-	if (ret < 0)
-		goto err_unlock_rtnl;
-	reply_len = ret + ethnl_reply_header_size();
-
-	rskb = ethnl_reply_init(reply_len, req_info.base.dev,
-				ETHTOOL_MSG_PHY_GET_REPLY,
-				ETHTOOL_A_PHY_HEADER,
-				info, &reply_payload);
-	if (!rskb) {
-		ret = -ENOMEM;
-		goto err_unlock_rtnl;
-	}
-
-	ret = ethnl_phy_fill_reply(&req_info.base, rskb);
-	if (ret)
-		goto err_free_msg;
-
-	rtnl_unlock();
-	ethnl_parse_header_dev_put(&req_info.base);
-	genlmsg_end(rskb, reply_payload);
-
-	return genlmsg_reply(rskb, info);
-
-err_free_msg:
-	nlmsg_free(rskb);
-err_unlock_rtnl:
-	rtnl_unlock();
-	ethnl_parse_header_dev_put(&req_info.base);
-	return ret;
-}
-
-struct ethnl_phy_dump_ctx {
-	struct phy_req_info	*phy_req_info;
-};
-
-int ethnl_phy_start(struct netlink_callback *cb)
-{
-	const struct genl_dumpit_info *info = genl_dumpit_info(cb);
-	struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
-	struct nlattr **tb = info->info.attrs;
-	int ret;
-
-	BUILD_BUG_ON(sizeof(*ctx) > sizeof(cb->ctx));
-
-	ctx->phy_req_info = kzalloc(sizeof(*ctx->phy_req_info), GFP_KERNEL);
-	if (!ctx->phy_req_info)
-		return -ENOMEM;
-
-	ret = ethnl_parse_header_dev_get(&ctx->phy_req_info->base,
-					 tb[ETHTOOL_A_PHY_HEADER],
-					 sock_net(cb->skb->sk), cb->extack,
-					 false);
-	return ret;
-}
-
-int ethnl_phy_done(struct netlink_callback *cb)
-{
-	struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
-
-	kfree(ctx->phy_req_info);
-
-	return 0;
-}
-
-static int ethnl_phy_dump_one_dev(struct sk_buff *skb, struct net_device *dev,
-				  struct netlink_callback *cb)
-{
-	struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
-	struct phy_req_info *pri = ctx->phy_req_info;
-	struct phy_device_node *pdn;
-	unsigned long index = 1;
-	int ret = 0;
-	void *ehdr;
-
-	pri->base.dev = dev;
-
-	xa_for_each(&dev->link_topo.phys, index, pdn) {
-		ehdr = ethnl_dump_put(skb, cb,
-				      ETHTOOL_MSG_PHY_GET_REPLY);
-		if (!ehdr) {
-			ret = -EMSGSIZE;
-			break;
-		}
-
-		ret = ethnl_fill_reply_header(skb, dev,
-					      ETHTOOL_A_PHY_HEADER);
-		if (ret < 0) {
-			genlmsg_cancel(skb, ehdr);
-			break;
-		}
-
-		memcpy(&pri->pdn, pdn, sizeof(*pdn));
-		ret = ethnl_phy_fill_reply(&pri->base, skb);
-
-		genlmsg_end(skb, ehdr);
-	}
-
-	return ret;
-}
-
-int ethnl_phy_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
-{
-	struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
-	struct net *net = sock_net(skb->sk);
-	unsigned long ifindex = 1;
-	struct net_device *dev;
-	int ret = 0;
-
-	rtnl_lock();
-
-	if (ctx->phy_req_info->base.dev) {
-		ret = ethnl_phy_dump_one_dev(skb, ctx->phy_req_info->base.dev, cb);
-		ethnl_parse_header_dev_put(&ctx->phy_req_info->base);
-		ctx->phy_req_info->base.dev = NULL;
-	} else {
-		for_each_netdev_dump(net, dev, ifindex) {
-			ret = ethnl_phy_dump_one_dev(skb, dev, cb);
-			if (ret)
-				break;
-		}
-	}
-	rtnl_unlock();
-
-	if (ret == -EMSGSIZE && skb->len)
-		return skb->len;
-	return ret;
-}
-