diff options
| -rw-r--r-- | Documentation/networking/ethtool-netlink.rst | 25 | ||||
| -rw-r--r-- | include/uapi/linux/ethtool_netlink.h | 1 | ||||
| -rw-r--r-- | net/ethtool/eee.c | 73 | ||||
| -rw-r--r-- | net/ethtool/netlink.c | 5 | ||||
| -rw-r--r-- | net/ethtool/netlink.h | 1 |
5 files changed, 104 insertions, 1 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index 1d067f6e9d8a..856c4b5bcd6a 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -202,6 +202,7 @@ Userspace to kernel: ``ETHTOOL_MSG_PAUSE_GET`` get pause parameters ``ETHTOOL_MSG_PAUSE_SET`` set pause parameters ``ETHTOOL_MSG_EEE_GET`` get EEE settings + ``ETHTOOL_MSG_EEE_SET`` set EEE settings ===================================== ================================ Kernel to userspace: @@ -904,6 +905,28 @@ netlink interface allows reporting EEE status for all link modes but only first 32 are provided by the ``ethtool_ops`` callback. +EEE_SET +======= + +Sets pause parameters like ``ETHTOOL_GEEEPARAM`` ioctl request. + +Request contents: + + ===================================== ====== ========================== + ``ETHTOOL_A_EEE_HEADER`` nested request header + ``ETHTOOL_A_EEE_MODES_OURS`` bool advertised modes + ``ETHTOOL_A_EEE_ENABLED`` bool EEE is enabled + ``ETHTOOL_A_EEE_TX_LPI_ENABLED`` bool Tx lpi enabled + ``ETHTOOL_A_EEE_TX_LPI_TIMER`` u32 Tx lpi timeout (in us) + ===================================== ====== ========================== + +``ETHTOOL_A_EEE_MODES_OURS`` is used to either list link modes to advertise +EEE for (if there is no mask) or specify changes to the list (if there is +a mask). The netlink interface allows reporting EEE status for all link modes +but only first 32 can be set at the moment as that is what the ``ethtool_ops`` +callback supports. + + Request translation =================== @@ -983,7 +1006,7 @@ have their netlink replacement yet. ``ETHTOOL_GMODULEINFO`` n/a ``ETHTOOL_GMODULEEEPROM`` n/a ``ETHTOOL_GEEE`` ``ETHTOOL_MSG_EEE_GET`` - ``ETHTOOL_SEEE`` n/a + ``ETHTOOL_SEEE`` ``ETHTOOL_MSG_EEE_SET`` ``ETHTOOL_GRSSH`` n/a ``ETHTOOL_SRSSH`` n/a ``ETHTOOL_GTUNABLE`` n/a diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h index 2231dc779c3e..8959bc899f3c 100644 --- a/include/uapi/linux/ethtool_netlink.h +++ b/include/uapi/linux/ethtool_netlink.h @@ -37,6 +37,7 @@ enum { ETHTOOL_MSG_PAUSE_GET, ETHTOOL_MSG_PAUSE_SET, ETHTOOL_MSG_EEE_GET, + ETHTOOL_MSG_EEE_SET, /* add new constants above here */ __ETHTOOL_MSG_USER_CNT, diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c index 46244045319e..ded092d1b2b9 100644 --- a/net/ethtool/eee.c +++ b/net/ethtool/eee.c @@ -128,3 +128,76 @@ const struct ethnl_request_ops ethnl_eee_request_ops = { .reply_size = eee_reply_size, .fill_reply = eee_fill_reply, }; + +/* EEE_SET */ + +static const struct nla_policy +eee_set_policy[ETHTOOL_A_EEE_MAX + 1] = { + [ETHTOOL_A_EEE_UNSPEC] = { .type = NLA_REJECT }, + [ETHTOOL_A_EEE_HEADER] = { .type = NLA_NESTED }, + [ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_NESTED }, + [ETHTOOL_A_EEE_MODES_PEER] = { .type = NLA_REJECT }, + [ETHTOOL_A_EEE_ACTIVE] = { .type = NLA_REJECT }, + [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 }, +}; + +int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info) +{ + struct nlattr *tb[ETHTOOL_A_EEE_MAX + 1]; + struct ethtool_eee eee = {}; + struct ethnl_req_info req_info = {}; + const struct ethtool_ops *ops; + struct net_device *dev; + bool mod = false; + int ret; + + ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb, ETHTOOL_A_EEE_MAX, + eee_set_policy, info->extack); + if (ret < 0) + return ret; + ret = ethnl_parse_header_dev_get(&req_info, + tb[ETHTOOL_A_EEE_HEADER], + genl_info_net(info), info->extack, + true); + if (ret < 0) + return ret; + dev = req_info.dev; + ops = dev->ethtool_ops; + ret = -EOPNOTSUPP; + if (!ops->get_eee || !ops->set_eee) + goto out_dev; + + rtnl_lock(); + ret = ethnl_ops_begin(dev); + if (ret < 0) + goto out_rtnl; + ret = ops->get_eee(dev, &eee); + if (ret < 0) + goto out_ops; + + ret = ethnl_update_bitset32(&eee.advertised, EEE_MODES_COUNT, + tb[ETHTOOL_A_EEE_MODES_OURS], + link_mode_names, info->extack, &mod); + if (ret < 0) + goto out_ops; + ethnl_update_bool32(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod); + ethnl_update_bool32(&eee.tx_lpi_enabled, + tb[ETHTOOL_A_EEE_TX_LPI_ENABLED], &mod); + ethnl_update_bool32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER], + &mod); + ret = 0; + if (!mod) + goto out_ops; + + ret = dev->ethtool_ops->set_eee(dev, &eee); + +out_ops: + ethnl_ops_complete(dev); +out_rtnl: + rtnl_unlock(); +out_dev: + dev_put(dev); + return ret; +} diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index f9396d2a96f6..4630206837e0 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -824,6 +824,11 @@ static const struct genl_ops ethtool_genl_ops[] = { .dumpit = ethnl_default_dumpit, .done = ethnl_default_done, }, + { + .cmd = ETHTOOL_MSG_EEE_SET, + .flags = GENL_UNS_ADMIN_PERM, + .doit = ethnl_set_eee, + }, }; static const struct genl_multicast_group ethtool_nl_mcgrps[] = { diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h index 8ad26d93590d..a251957d535e 100644 --- a/net/ethtool/netlink.h +++ b/net/ethtool/netlink.h @@ -355,5 +355,6 @@ int ethnl_set_rings(struct sk_buff *skb, struct genl_info *info); int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info); int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info); int ethnl_set_pause(struct sk_buff *skb, struct genl_info *info); +int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info); #endif /* _NET_ETHTOOL_NETLINK_H */ |