diff options
Diffstat (limited to 'net/ethtool')
| -rw-r--r-- | net/ethtool/cabletest.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c index aeb6672a46d0..ae8e63647663 100644 --- a/net/ethtool/cabletest.c +++ b/net/ethtool/cabletest.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only #include <linux/phy.h> +#include <linux/ethtool_netlink.h> #include "netlink.h" #include "common.h" @@ -52,3 +53,57 @@ out_dev_put: dev_put(dev); return ret; } + +int ethnl_cable_test_alloc(struct phy_device *phydev) +{ + int err = -ENOMEM; + + phydev->skb = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!phydev->skb) + goto out; + + phydev->ehdr = ethnl_bcastmsg_put(phydev->skb, + ETHTOOL_MSG_CABLE_TEST_NTF); + if (!phydev->ehdr) { + err = -EMSGSIZE; + goto out; + } + + err = ethnl_fill_reply_header(phydev->skb, phydev->attached_dev, + ETHTOOL_A_CABLE_TEST_NTF_HEADER); + if (err) + goto out; + + err = nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_TEST_NTF_STATUS, + ETHTOOL_A_CABLE_TEST_NTF_STATUS_COMPLETED); + if (err) + goto out; + + phydev->nest = nla_nest_start(phydev->skb, + ETHTOOL_A_CABLE_TEST_NTF_NEST); + if (!phydev->nest) + goto out; + + return 0; + +out: + nlmsg_free(phydev->skb); + return err; +} +EXPORT_SYMBOL_GPL(ethnl_cable_test_alloc); + +void ethnl_cable_test_free(struct phy_device *phydev) +{ + nlmsg_free(phydev->skb); +} +EXPORT_SYMBOL_GPL(ethnl_cable_test_free); + +void ethnl_cable_test_finished(struct phy_device *phydev) +{ + nla_nest_end(phydev->skb, phydev->nest); + + genlmsg_end(phydev->skb, phydev->ehdr); + + ethnl_multicast(phydev->skb, phydev->attached_dev); +} +EXPORT_SYMBOL_GPL(ethnl_cable_test_finished); |