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-rw-r--r--net/ethtool/Makefile2
-rw-r--r--net/ethtool/cabletest.c431
-rw-r--r--net/ethtool/channels.c22
-rw-r--r--net/ethtool/ioctl.c29
-rw-r--r--net/ethtool/linkmodes.c53
-rw-r--r--net/ethtool/linkstate.c75
-rw-r--r--net/ethtool/netlink.c18
-rw-r--r--net/ethtool/netlink.h4
-rw-r--r--net/ethtool/strset.c1
9 files changed, 621 insertions, 14 deletions
diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile
index 6c360c9c9370..0c2b94f20499 100644
--- a/net/ethtool/Makefile
+++ b/net/ethtool/Makefile
@@ -6,4 +6,4 @@ obj-$(CONFIG_ETHTOOL_NETLINK) += ethtool_nl.o
ethtool_nl-y := netlink.o bitset.o strset.o linkinfo.o linkmodes.o \
linkstate.o debug.o wol.o features.o privflags.o rings.o \
- channels.o coalesce.o pause.o eee.o tsinfo.o
+ channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
new file mode 100644
index 000000000000..7b7a0456c15c
--- /dev/null
+++ b/net/ethtool/cabletest.c
@@ -0,0 +1,431 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/phy.h>
+#include <linux/ethtool_netlink.h>
+#include "netlink.h"
+#include "common.h"
+
+/* 802.3 standard allows 100 meters for BaseT cables. However longer
+ * cables might work, depending on the quality of the cables and the
+ * PHY. So allow testing for up to 150 meters.
+ */
+#define MAX_CABLE_LENGTH_CM (150 * 100)
+
+static const struct nla_policy
+cable_test_act_policy[ETHTOOL_A_CABLE_TEST_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_UNSPEC] = { .type = NLA_REJECT },
+ [ETHTOOL_A_CABLE_TEST_HEADER] = { .type = NLA_NESTED },
+};
+
+static int ethnl_cable_test_started(struct phy_device *phydev, u8 cmd)
+{
+ struct sk_buff *skb;
+ int err = -ENOMEM;
+ void *ehdr;
+
+ skb = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!skb)
+ goto out;
+
+ ehdr = ethnl_bcastmsg_put(skb, cmd);
+ if (!ehdr) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ err = ethnl_fill_reply_header(skb, phydev->attached_dev,
+ ETHTOOL_A_CABLE_TEST_NTF_HEADER);
+ if (err)
+ goto out;
+
+ err = nla_put_u8(skb, ETHTOOL_A_CABLE_TEST_NTF_STATUS,
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_STARTED);
+ if (err)
+ goto out;
+
+ genlmsg_end(skb, ehdr);
+
+ return ethnl_multicast(skb, phydev->attached_dev);
+
+out:
+ nlmsg_free(skb);
+ phydev_err(phydev, "%s: Error %pe\n", __func__, ERR_PTR(err));
+
+ return err;
+}
+
+int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_MAX + 1];
+ struct ethnl_req_info req_info = {};
+ struct net_device *dev;
+ int ret;
+
+ ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
+ ETHTOOL_A_CABLE_TEST_MAX,
+ cable_test_act_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_HEADER],
+ genl_info_net(info), info->extack,
+ true);
+ if (ret < 0)
+ return ret;
+
+ dev = req_info.dev;
+ if (!dev->phydev) {
+ ret = -EOPNOTSUPP;
+ goto out_dev_put;
+ }
+
+ rtnl_lock();
+ ret = ethnl_ops_begin(dev);
+ if (ret < 0)
+ goto out_rtnl;
+
+ ret = phy_start_cable_test(dev->phydev, info->extack);
+
+ ethnl_ops_complete(dev);
+
+ if (!ret)
+ ethnl_cable_test_started(dev->phydev,
+ ETHTOOL_MSG_CABLE_TEST_NTF);
+
+out_rtnl:
+ rtnl_unlock();
+out_dev_put:
+ dev_put(dev);
+ return ret;
+}
+
+int ethnl_cable_test_alloc(struct phy_device *phydev, u8 cmd)
+{
+ int err = -ENOMEM;
+
+ /* One TDR sample occupies 20 bytes. For a 150 meter cable,
+ * with four pairs, around 12K is needed.
+ */
+ phydev->skb = genlmsg_new(SZ_16K, GFP_KERNEL);
+ if (!phydev->skb)
+ goto out;
+
+ phydev->ehdr = ethnl_bcastmsg_put(phydev->skb, cmd);
+ 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) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ return 0;
+
+out:
+ nlmsg_free(phydev->skb);
+ phydev->skb = NULL;
+ return err;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_alloc);
+
+void ethnl_cable_test_free(struct phy_device *phydev)
+{
+ nlmsg_free(phydev->skb);
+ phydev->skb = NULL;
+}
+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);
+
+int ethnl_cable_test_result(struct phy_device *phydev, u8 pair, u8 result)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_NEST_RESULT);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_RESULT_PAIR, pair))
+ goto err;
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_RESULT_CODE, result))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_result);
+
+int ethnl_cable_test_fault_length(struct phy_device *phydev, u8 pair, u32 cm)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb,
+ ETHTOOL_A_CABLE_NEST_FAULT_LENGTH);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_PAIR, pair))
+ goto err;
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_CM, cm))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_fault_length);
+
+struct cable_test_tdr_req_info {
+ struct ethnl_req_info base;
+};
+
+static const struct nla_policy
+cable_test_tdr_act_cfg_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR] = { .type = NLA_U8 },
+};
+
+static const struct nla_policy
+cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_TDR_UNSPEC] = { .type = NLA_REJECT },
+ [ETHTOOL_A_CABLE_TEST_TDR_HEADER] = { .type = NLA_NESTED },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG] = { .type = NLA_NESTED },
+};
+
+/* CABLE_TEST_TDR_ACT */
+static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
+ struct genl_info *info,
+ struct phy_tdr_config *cfg)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1];
+ int ret;
+
+ ret = nla_parse_nested(tb, ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX, nest,
+ cable_test_tdr_act_cfg_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST])
+ cfg->first = nla_get_u32(
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST]);
+ else
+ cfg->first = 100;
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST])
+ cfg->last = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST]);
+ else
+ cfg->last = MAX_CABLE_LENGTH_CM;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP])
+ cfg->step = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP]);
+ else
+ cfg->step = 100;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]) {
+ cfg->pair = nla_get_u8(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]);
+ if (cfg->pair > ETHTOOL_A_CABLE_PAIR_D) {
+ NL_SET_ERR_MSG_ATTR(
+ info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR],
+ "invalid pair parameter");
+ return -EINVAL;
+ }
+ } else {
+ cfg->pair = PHY_PAIR_ALL;
+ }
+
+ if (cfg->first > MAX_CABLE_LENGTH_CM) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST],
+ "invalid first parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->last > MAX_CABLE_LENGTH_CM) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST],
+ "invalid last parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->first > cfg->last) {
+ NL_SET_ERR_MSG(info->extack, "invalid first/last parameter");
+ return -EINVAL;
+ }
+
+ if (!cfg->step) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP],
+ "invalid step parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->step > (cfg->last - cfg->first)) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP],
+ "step parameter too big");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1];
+ struct ethnl_req_info req_info = {};
+ struct phy_tdr_config cfg;
+ struct net_device *dev;
+ int ret;
+
+ ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
+ ETHTOOL_A_CABLE_TEST_TDR_MAX,
+ cable_test_tdr_act_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_HEADER],
+ genl_info_net(info), info->extack,
+ true);
+ if (ret < 0)
+ return ret;
+
+ dev = req_info.dev;
+ if (!dev->phydev) {
+ ret = -EOPNOTSUPP;
+ goto out_dev_put;
+ }
+
+ ret = ethnl_act_cable_test_tdr_cfg(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG],
+ info, &cfg);
+ if (ret)
+ goto out_dev_put;
+
+ rtnl_lock();
+ ret = ethnl_ops_begin(dev);
+ if (ret < 0)
+ goto out_rtnl;
+
+ ret = phy_start_cable_test_tdr(dev->phydev, info->extack, &cfg);
+
+ ethnl_ops_complete(dev);
+
+ if (!ret)
+ ethnl_cable_test_started(dev->phydev,
+ ETHTOOL_MSG_CABLE_TEST_TDR_NTF);
+
+out_rtnl:
+ rtnl_unlock();
+out_dev_put:
+ dev_put(dev);
+ return ret;
+}
+
+int ethnl_cable_test_amplitude(struct phy_device *phydev,
+ u8 pair, s16 mV)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb,
+ ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_AMPLITUDE_PAIR, pair))
+ goto err;
+ if (nla_put_u16(phydev->skb, ETHTOOL_A_CABLE_AMPLITUDE_mV, mV))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_amplitude);
+
+int ethnl_cable_test_pulse(struct phy_device *phydev, u16 mV)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_TDR_NEST_PULSE);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u16(phydev->skb, ETHTOOL_A_CABLE_PULSE_mV, mV))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_pulse);
+
+int ethnl_cable_test_step(struct phy_device *phydev, u32 first, u32 last,
+ u32 step)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_TDR_NEST_STEP);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE,
+ first))
+ goto err;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_LAST_DISTANCE, last))
+ goto err;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_STEP_DISTANCE, step))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_step);
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index 389924b65d05..9ef54cdcf662 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include "netlink.h"
#include "common.h"
@@ -129,13 +129,13 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *tb[ETHTOOL_A_CHANNELS_MAX + 1];
unsigned int from_channel, old_total, i;
+ bool mod = false, mod_combined = false;
struct ethtool_channels channels = {};
struct ethnl_req_info req_info = {};
const struct nlattr *err_attr;
const struct ethtool_ops *ops;
struct net_device *dev;
u32 max_rx_in_use = 0;
- bool mod = false;
int ret;
ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
@@ -170,7 +170,8 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
ethnl_update_u32(&channels.other_count,
tb[ETHTOOL_A_CHANNELS_OTHER_COUNT], &mod);
ethnl_update_u32(&channels.combined_count,
- tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT], &mod);
+ tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT], &mod_combined);
+ mod |= mod_combined;
ret = 0;
if (!mod)
goto out_ops;
@@ -193,6 +194,21 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
goto out_ops;
}
+ /* ensure there is at least one RX and one TX channel */
+ if (!channels.combined_count && !channels.rx_count)
+ err_attr = tb[ETHTOOL_A_CHANNELS_RX_COUNT];
+ else if (!channels.combined_count && !channels.tx_count)
+ err_attr = tb[ETHTOOL_A_CHANNELS_TX_COUNT];
+ else
+ err_attr = NULL;
+ if (err_attr) {
+ if (mod_combined)
+ err_attr = tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT];
+ ret = -EINVAL;
+ NL_SET_ERR_MSG_ATTR(info->extack, err_attr, "requested channel counts would result in no RX or TX channel being configured");
+ goto out_ops;
+ }
+
/* ensure the new Rx count fits within the configured Rx flow
* indirection table settings
*/
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 89d0b1827aaf..b5df90c981c2 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -17,7 +17,6 @@
#include <linux/phy.h>
#include <linux/bitops.h>
#include <linux/uaccess.h>
-#include <linux/vermagic.h>
#include <linux/vmalloc.h>
#include <linux/sfp.h>
#include <linux/slab.h>
@@ -25,10 +24,10 @@
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <net/devlink.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/flow_offload.h>
#include <linux/ethtool_netlink.h>
-
+#include <generated/utsrelease.h>
#include "common.h"
/*
@@ -553,6 +552,8 @@ static int ethtool_get_link_ksettings(struct net_device *dev,
link_ksettings.base.cmd = ETHTOOL_GLINKSETTINGS;
link_ksettings.base.link_mode_masks_nwords
= __ETHTOOL_LINK_MODE_MASK_NU32;
+ link_ksettings.base.master_slave_cfg = MASTER_SLAVE_CFG_UNSUPPORTED;
+ link_ksettings.base.master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
return store_link_ksettings_for_user(useraddr, &link_ksettings);
}
@@ -590,6 +591,10 @@ static int ethtool_set_link_ksettings(struct net_device *dev,
!= link_ksettings.base.link_mode_masks_nwords)
return -EINVAL;
+ if (link_ksettings.base.master_slave_cfg ||
+ link_ksettings.base.master_slave_state)
+ return -EINVAL;
+
err = dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
if (err >= 0) {
ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF, NULL);
@@ -1505,11 +1510,14 @@ static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
void __user *useraddr)
{
struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
+ int ret;
if (!dev->ethtool_ops->get_coalesce)
return -EOPNOTSUPP;
- dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ ret = dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ if (ret)
+ return ret;
if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
return -EFAULT;
@@ -1664,6 +1672,12 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
dev->ethtool_ops->get_channels(dev, &curr);
+ if (channels.rx_count == curr.rx_count &&
+ channels.tx_count == curr.tx_count &&
+ channels.combined_count == curr.combined_count &&
+ channels.other_count == curr.other_count)
+ return 0;
+
/* ensure new counts are within the maximums */
if (channels.rx_count > curr.max_rx ||
channels.tx_count > curr.max_tx ||
@@ -1671,6 +1685,11 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
channels.other_count > curr.max_other)
return -EINVAL;
+ /* ensure there is at least one RX and one TX channel */
+ if (!channels.combined_count &&
+ (!channels.rx_count || !channels.tx_count))
+ return -EINVAL;
+
/* ensure the new Rx count fits within the configured Rx flow
* indirection table settings */
if (netif_is_rxfh_configured(dev) &&
@@ -1746,7 +1765,9 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
if (!data)
return -ENOMEM;
+ netif_testing_on(dev);
ops->self_test(dev, &test, data);
+ netif_testing_off(dev);
ret = -EFAULT;
if (copy_to_user(useraddr, &test, sizeof(test)))
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index 452608c6d856..fd4f3e58c6f6 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -27,6 +27,8 @@ linkmodes_get_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
@@ -63,6 +65,7 @@ static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
{
const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
const struct ethtool_link_ksettings *ksettings = &data->ksettings;
+ const struct ethtool_link_settings *lsettings = &ksettings->base;
bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
int len, ret;
@@ -86,6 +89,12 @@ static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
len += ret;
}
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
return len;
}
@@ -122,6 +131,16 @@ static int linkmodes_fill_reply(struct sk_buff *skb,
nla_put_u8(skb, ETHTOOL_A_LINKMODES_DUPLEX, lsettings->duplex))
return -EMSGSIZE;
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
+ lsettings->master_slave_cfg))
+ return -EMSGSIZE;
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE,
+ lsettings->master_slave_state))
+ return -EMSGSIZE;
+
return 0;
}
@@ -249,6 +268,8 @@ linkmodes_set_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
/* Set advertised link modes to all supported modes matching requested speed
@@ -287,14 +308,45 @@ static bool ethnl_auto_linkmodes(struct ethtool_link_ksettings *ksettings,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
+static bool ethnl_validate_master_slave_cfg(u8 cfg)
+{
+ switch (cfg) {
+ case MASTER_SLAVE_CFG_MASTER_PREFERRED:
+ case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ return true;
+ }
+
+ return false;
+}
+
static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
struct ethtool_link_ksettings *ksettings,
bool *mod)
{
struct ethtool_link_settings *lsettings = &ksettings->base;
bool req_speed, req_duplex;
+ const struct nlattr *master_slave_cfg;
int ret;
+ master_slave_cfg = tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG];
+ if (master_slave_cfg) {
+ u8 cfg = nla_get_u8(master_slave_cfg);
+
+ if (lsettings->master_slave_cfg == MASTER_SLAVE_CFG_UNSUPPORTED) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave configuration not supported by device");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ethnl_validate_master_slave_cfg(cfg)) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave value is invalid");
+ return -EOPNOTSUPP;
+ }
+ }
+
*mod = false;
req_speed = tb[ETHTOOL_A_LINKMODES_SPEED];
req_duplex = tb[ETHTOOL_A_LINKMODES_DUPLEX];
@@ -311,6 +363,7 @@ static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
mod);
ethnl_update_u8(&lsettings->duplex, tb[ETHTOOL_A_LINKMODES_DUPLEX],
mod);
+ ethnl_update_u8(&lsettings->master_slave_cfg, master_slave_cfg, mod);
if (!tb[ETHTOOL_A_LINKMODES_OURS] && lsettings->autoneg &&
(req_speed || req_duplex) &&
diff --git a/net/ethtool/linkstate.c b/net/ethtool/linkstate.c
index 2740cde0a182..7f47ba89054e 100644
--- a/net/ethtool/linkstate.c
+++ b/net/ethtool/linkstate.c
@@ -2,6 +2,7 @@
#include "netlink.h"
#include "common.h"
+#include <linux/phy.h>
struct linkstate_req_info {
struct ethnl_req_info base;
@@ -10,6 +11,8 @@ struct linkstate_req_info {
struct linkstate_reply_data {
struct ethnl_reply_data base;
int link;
+ int sqi;
+ int sqi_max;
};
#define LINKSTATE_REPDATA(__reply_base) \
@@ -20,8 +23,46 @@ linkstate_get_policy[ETHTOOL_A_LINKSTATE_MAX + 1] = {
[ETHTOOL_A_LINKSTATE_UNSPEC] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKSTATE_HEADER] = { .type = NLA_NESTED },
[ETHTOOL_A_LINKSTATE_LINK] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_SQI] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_SQI_MAX] = { .type = NLA_REJECT },
};
+static int linkstate_get_sqi(struct net_device *dev)
+{
+ struct phy_device *phydev = dev->phydev;
+ int ret;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&phydev->lock);
+ if (!phydev->drv || !phydev->drv->get_sqi)
+ ret = -EOPNOTSUPP;
+ else
+ ret = phydev->drv->get_sqi(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
+static int linkstate_get_sqi_max(struct net_device *dev)
+{
+ struct phy_device *phydev = dev->phydev;
+ int ret;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&phydev->lock);
+ if (!phydev->drv || !phydev->drv->get_sqi_max)
+ ret = -EOPNOTSUPP;
+ else
+ ret = phydev->drv->get_sqi_max(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
struct ethnl_reply_data *reply_base,
struct genl_info *info)
@@ -34,6 +75,19 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
if (ret < 0)
return ret;
data->link = __ethtool_get_link(dev);
+
+ ret = linkstate_get_sqi(dev);
+ if (ret < 0 && ret != -EOPNOTSUPP)
+ return ret;
+
+ data->sqi = ret;
+
+ ret = linkstate_get_sqi_max(dev);
+ if (ret < 0 && ret != -EOPNOTSUPP)
+ return ret;
+
+ data->sqi_max = ret;
+
ethnl_ops_complete(dev);
return 0;
@@ -42,8 +96,19 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
static int linkstate_reply_size(const struct ethnl_req_info *req_base,
const struct ethnl_reply_data *reply_base)
{
- return nla_total_size(sizeof(u8)) /* LINKSTATE_LINK */
+ struct linkstate_reply_data *data = LINKSTATE_REPDATA(reply_base);
+ int len;
+
+ len = nla_total_size(sizeof(u8)) /* LINKSTATE_LINK */
+ 0;
+
+ if (data->sqi != -EOPNOTSUPP)
+ len += nla_total_size(sizeof(u32));
+
+ if (data->sqi_max != -EOPNOTSUPP)
+ len += nla_total_size(sizeof(u32));
+
+ return len;
}
static int linkstate_fill_reply(struct sk_buff *skb,
@@ -56,6 +121,14 @@ static int linkstate_fill_reply(struct sk_buff *skb,
nla_put_u8(skb, ETHTOOL_A_LINKSTATE_LINK, !!data->link))
return -EMSGSIZE;
+ if (data->sqi != -EOPNOTSUPP &&
+ nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI, data->sqi))
+ return -EMSGSIZE;
+
+ if (data->sqi_max != -EOPNOTSUPP &&
+ nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI_MAX, data->sqi_max))
+ return -EMSGSIZE;
+
return 0;
}
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 0c772318c023..88fd07f47040 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -181,13 +181,13 @@ err:
return NULL;
}
-static void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd)
+void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd)
{
return genlmsg_put(skb, 0, ++ethnl_bcast_seq, &ethtool_genl_family, 0,
cmd);
}
-static int ethnl_multicast(struct sk_buff *skb, struct net_device *dev)
+int ethnl_multicast(struct sk_buff *skb, struct net_device *dev)
{
return genlmsg_multicast_netns(&ethtool_genl_family, dev_net(dev), skb,
0, ETHNL_MCGRP_MONITOR, GFP_KERNEL);
@@ -342,7 +342,7 @@ static int ethnl_default_doit(struct sk_buff *skb, struct genl_info *info)
ret = ops->reply_size(req_info, reply_data);
if (ret < 0)
goto err_cleanup;
- reply_len = ret;
+ reply_len = ret + ethnl_reply_header_size();
ret = -ENOMEM;
rskb = ethnl_reply_init(reply_len, req_info->dev, ops->reply_cmd,
ops->hdr_attr, info, &reply_payload);
@@ -588,7 +588,7 @@ static void ethnl_default_notify(struct net_device *dev, unsigned int cmd,
ret = ops->reply_size(req_info, reply_data);
if (ret < 0)
goto err_cleanup;
- reply_len = ret;
+ reply_len = ret + ethnl_reply_header_size();
ret = -ENOMEM;
skb = genlmsg_new(reply_len, GFP_KERNEL);
if (!skb)
@@ -839,6 +839,16 @@ static const struct genl_ops ethtool_genl_ops[] = {
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
},
+ {
+ .cmd = ETHTOOL_MSG_CABLE_TEST_ACT,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .doit = ethnl_act_cable_test,
+ },
+ {
+ .cmd = ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .doit = ethnl_act_cable_test_tdr,
+ },
};
static const struct genl_multicast_group ethtool_nl_mcgrps[] = {
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index 81b8fa020bcb..9a96b6e90dc2 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -19,6 +19,8 @@ int ethnl_fill_reply_header(struct sk_buff *skb, struct net_device *dev,
struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd,
u16 hdr_attrtype, struct genl_info *info,
void **ehdrp);
+void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd);
+int ethnl_multicast(struct sk_buff *skb, struct net_device *dev);
/**
* ethnl_strz_size() - calculate attribute length for fixed size string
@@ -357,5 +359,7 @@ 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);
+int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info);
+int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info);
#endif /* _NET_ETHTOOL_NETLINK_H */
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index 95eae5c68a52..0eed4e4909ab 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -324,7 +324,6 @@ static int strset_reply_size(const struct ethnl_req_info *req_base,
int len = 0;
int ret;
- len += ethnl_reply_header_size();
for (i = 0; i < ETH_SS_COUNT; i++) {
const struct strset_info *set_info = &data->sets[i];
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.