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-rw-r--r--net/ethtool/eee.c62
-rw-r--r--net/ethtool/ioctl.c60
-rw-r--r--net/ethtool/netlink.c14
3 files changed, 84 insertions, 52 deletions
diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c
index 2853394d0..bf398973e 100644
--- a/net/ethtool/eee.c
+++ b/net/ethtool/eee.c
@@ -4,16 +4,13 @@
#include "common.h"
#include "bitset.h"
-#define EEE_MODES_COUNT \
- (sizeof_field(struct ethtool_eee, supported) * BITS_PER_BYTE)
-
struct eee_req_info {
struct ethnl_req_info base;
};
struct eee_reply_data {
struct ethnl_reply_data base;
- struct ethtool_eee eee;
+ struct ethtool_keee eee;
};
#define EEE_REPDATA(__reply_base) \
@@ -30,6 +27,7 @@ static int eee_prepare_data(const struct ethnl_req_info *req_base,
{
struct eee_reply_data *data = EEE_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
+ struct ethtool_keee *eee = &data->eee;
int ret;
if (!dev->ethtool_ops->get_eee)
@@ -37,7 +35,7 @@ static int eee_prepare_data(const struct ethnl_req_info *req_base,
ret = ethnl_ops_begin(dev);
if (ret < 0)
return ret;
- ret = dev->ethtool_ops->get_eee(dev, &data->eee);
+ ret = dev->ethtool_ops->get_eee(dev, eee);
ethnl_ops_complete(dev);
return ret;
@@ -48,24 +46,21 @@ static int eee_reply_size(const struct ethnl_req_info *req_base,
{
bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
const struct eee_reply_data *data = EEE_REPDATA(reply_base);
- const struct ethtool_eee *eee = &data->eee;
+ const struct ethtool_keee *eee = &data->eee;
int len = 0;
int ret;
- BUILD_BUG_ON(sizeof(eee->advertised) * BITS_PER_BYTE !=
- EEE_MODES_COUNT);
- BUILD_BUG_ON(sizeof(eee->lp_advertised) * BITS_PER_BYTE !=
- EEE_MODES_COUNT);
-
/* MODES_OURS */
- ret = ethnl_bitset32_size(&eee->advertised, &eee->supported,
- EEE_MODES_COUNT, link_mode_names, compact);
+ ret = ethnl_bitset_size(eee->advertised, eee->supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
if (ret < 0)
return ret;
len += ret;
/* MODES_PEERS */
- ret = ethnl_bitset32_size(&eee->lp_advertised, NULL,
- EEE_MODES_COUNT, link_mode_names, compact);
+ ret = ethnl_bitset_size(eee->lp_advertised, NULL,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
if (ret < 0)
return ret;
len += ret;
@@ -84,24 +79,26 @@ static int eee_fill_reply(struct sk_buff *skb,
{
bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
const struct eee_reply_data *data = EEE_REPDATA(reply_base);
- const struct ethtool_eee *eee = &data->eee;
+ const struct ethtool_keee *eee = &data->eee;
int ret;
- ret = ethnl_put_bitset32(skb, ETHTOOL_A_EEE_MODES_OURS,
- &eee->advertised, &eee->supported,
- EEE_MODES_COUNT, link_mode_names, compact);
+ ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_OURS,
+ eee->advertised, eee->supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
if (ret < 0)
return ret;
- ret = ethnl_put_bitset32(skb, ETHTOOL_A_EEE_MODES_PEER,
- &eee->lp_advertised, NULL, EEE_MODES_COUNT,
- link_mode_names, compact);
+ ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_PEER,
+ eee->lp_advertised, NULL,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
if (ret < 0)
return ret;
- if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, !!eee->eee_active) ||
- nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, !!eee->eee_enabled) ||
+ if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, eee->eee_active) ||
+ nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, eee->eee_enabled) ||
nla_put_u8(skb, ETHTOOL_A_EEE_TX_LPI_ENABLED,
- !!eee->tx_lpi_enabled) ||
+ eee->tx_lpi_enabled) ||
nla_put_u32(skb, ETHTOOL_A_EEE_TX_LPI_TIMER, eee->tx_lpi_timer))
return -EMSGSIZE;
@@ -132,7 +129,7 @@ ethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info)
{
struct net_device *dev = req_info->dev;
struct nlattr **tb = info->attrs;
- struct ethtool_eee eee = {};
+ struct ethtool_keee eee = {};
bool mod = false;
int ret;
@@ -140,14 +137,15 @@ ethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info)
if (ret < 0)
return ret;
- ret = ethnl_update_bitset32(&eee.advertised, EEE_MODES_COUNT,
- tb[ETHTOOL_A_EEE_MODES_OURS],
- link_mode_names, info->extack, &mod);
+ ret = ethnl_update_bitset(eee.advertised,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ tb[ETHTOOL_A_EEE_MODES_OURS],
+ link_mode_names, info->extack, &mod);
if (ret < 0)
return ret;
- 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_bool(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod);
+ ethnl_update_bool(&eee.tx_lpi_enabled, tb[ETHTOOL_A_EEE_TX_LPI_ENABLED],
+ &mod);
ethnl_update_u32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER],
&mod);
if (!mod)
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 7519b0818..5a55270aa 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -26,12 +26,12 @@
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <linux/pm_runtime.h>
+#include <linux/utsname.h>
#include <net/devlink.h>
#include <net/ipv6.h>
#include <net/xdp_sock_drv.h>
#include <net/flow_offload.h>
#include <linux/ethtool_netlink.h>
-#include <generated/utsrelease.h>
#include "common.h"
/* State held across locks and calls for commands which have devlink fallback */
@@ -713,7 +713,8 @@ ethtool_get_drvinfo(struct net_device *dev, struct ethtool_devlink_compat *rsp)
struct device *parent = dev->dev.parent;
rsp->info.cmd = ETHTOOL_GDRVINFO;
- strscpy(rsp->info.version, UTS_RELEASE, sizeof(rsp->info.version));
+ strscpy(rsp->info.version, init_uts_ns.name.release,
+ sizeof(rsp->info.version));
if (ops->get_drvinfo) {
ops->get_drvinfo(dev, &rsp->info);
if (!rsp->info.bus_info[0] && parent)
@@ -1508,22 +1509,57 @@ static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
return 0;
}
+static void eee_to_keee(struct ethtool_keee *keee,
+ const struct ethtool_eee *eee)
+{
+ memset(keee, 0, sizeof(*keee));
+
+ keee->eee_enabled = eee->eee_enabled;
+ keee->tx_lpi_enabled = eee->tx_lpi_enabled;
+ keee->tx_lpi_timer = eee->tx_lpi_timer;
+
+ ethtool_convert_legacy_u32_to_link_mode(keee->advertised,
+ eee->advertised);
+}
+
+static void keee_to_eee(struct ethtool_eee *eee,
+ const struct ethtool_keee *keee)
+{
+ bool overflow;
+
+ memset(eee, 0, sizeof(*eee));
+
+ eee->eee_active = keee->eee_active;
+ eee->eee_enabled = keee->eee_enabled;
+ eee->tx_lpi_enabled = keee->tx_lpi_enabled;
+ eee->tx_lpi_timer = keee->tx_lpi_timer;
+
+ overflow = !ethtool_convert_link_mode_to_legacy_u32(&eee->supported,
+ keee->supported);
+ ethtool_convert_link_mode_to_legacy_u32(&eee->advertised,
+ keee->advertised);
+ ethtool_convert_link_mode_to_legacy_u32(&eee->lp_advertised,
+ keee->lp_advertised);
+ if (overflow)
+ pr_warn("Ethtool ioctl interface doesn't support passing EEE linkmodes beyond bit 32\n");
+}
+
static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_eee edata;
+ struct ethtool_keee keee;
+ struct ethtool_eee eee;
int rc;
if (!dev->ethtool_ops->get_eee)
return -EOPNOTSUPP;
- memset(&edata, 0, sizeof(struct ethtool_eee));
- edata.cmd = ETHTOOL_GEEE;
- rc = dev->ethtool_ops->get_eee(dev, &edata);
-
+ memset(&keee, 0, sizeof(keee));
+ rc = dev->ethtool_ops->get_eee(dev, &keee);
if (rc)
return rc;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ keee_to_eee(&eee, &keee);
+ if (copy_to_user(useraddr, &eee, sizeof(eee)))
return -EFAULT;
return 0;
@@ -1531,16 +1567,18 @@ static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_eee edata;
+ struct ethtool_keee keee;
+ struct ethtool_eee eee;
int ret;
if (!dev->ethtool_ops->set_eee)
return -EOPNOTSUPP;
- if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ if (copy_from_user(&eee, useraddr, sizeof(eee)))
return -EFAULT;
- ret = dev->ethtool_ops->set_eee(dev, &edata);
+ eee_to_keee(&keee, &eee);
+ ret = dev->ethtool_ops->set_eee(dev, &keee);
if (!ret)
ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF, NULL);
return ret;
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index fe3553f60..bd04f28d5 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -477,11 +477,7 @@ out:
return ret;
}
-/* Default ->dumpit() handler for GET requests. Device iteration copied from
- * rtnl_dump_ifinfo(); we have to be more careful about device hashtable
- * persistence as we cannot guarantee to hold RTNL lock through the whole
- * function as rtnetnlink does.
- */
+/* Default ->dumpit() handler for GET requests. */
static int ethnl_default_dumpit(struct sk_buff *skb,
struct netlink_callback *cb)
{
@@ -490,14 +486,14 @@ static int ethnl_default_dumpit(struct sk_buff *skb,
struct net_device *dev;
int ret = 0;
- rtnl_lock();
+ rcu_read_lock();
for_each_netdev_dump(net, dev, ctx->pos_ifindex) {
dev_hold(dev);
- rtnl_unlock();
+ rcu_read_unlock();
ret = ethnl_default_dump_one(skb, dev, ctx, genl_info_dump(cb));
- rtnl_lock();
+ rcu_read_lock();
dev_put(dev);
if (ret < 0 && ret != -EOPNOTSUPP) {
@@ -507,7 +503,7 @@ static int ethnl_default_dumpit(struct sk_buff *skb,
}
ret = 0;
}
- rtnl_unlock();
+ rcu_read_unlock();
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 00:36:15 +0000