55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/phy.h>
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#include "netlink.h"
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#include "common.h"
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/* CABLE_TEST_ACT */
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static const struct nla_policy
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cable_test_act_policy[ETHTOOL_A_CABLE_TEST_MAX + 1] = {
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[ETHTOOL_A_CABLE_TEST_UNSPEC] = { .type = NLA_REJECT },
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[ETHTOOL_A_CABLE_TEST_HEADER] = { .type = NLA_NESTED },
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};
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int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
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{
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struct nlattr *tb[ETHTOOL_A_CABLE_TEST_MAX + 1];
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struct ethnl_req_info req_info = {};
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struct net_device *dev;
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int ret;
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ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
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ETHTOOL_A_CABLE_TEST_MAX,
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cable_test_act_policy, info->extack);
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if (ret < 0)
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return ret;
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ret = ethnl_parse_header_dev_get(&req_info,
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tb[ETHTOOL_A_CABLE_TEST_HEADER],
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genl_info_net(info), info->extack,
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true);
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if (ret < 0)
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return ret;
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dev = req_info.dev;
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if (!dev->phydev) {
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ret = -EOPNOTSUPP;
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goto out_dev_put;
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}
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rtnl_lock();
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ret = ethnl_ops_begin(dev);
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if (ret < 0)
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goto out_rtnl;
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ret = phy_start_cable_test(dev->phydev, info->extack);
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ethnl_ops_complete(dev);
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out_rtnl:
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rtnl_unlock();
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out_dev_put:
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dev_put(dev);
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return ret;
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}
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