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authorThomas Gleixner <tglx@linutronix.de>2020-06-11 16:17:57 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 16:17:57 +0300
commitf77d26a9fc525286bcef3d4f98b52e17482cf49c (patch)
tree6b179c9aa84787773cb601a14a64255e2912154b /net/ethtool/ioctl.c
parentb6bea24d41519e8c31e4798f1c1a3f67e540c5d0 (diff)
parentf0178fc01fe46bab6a95415f5647d1a74efcad1b (diff)
downloadlinux-f77d26a9fc525286bcef3d4f98b52e17482cf49c.tar.xz
Merge branch 'x86/entry' into ras/core
to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow up patches can be applied without creating a horrible merge conflict afterwards.
Diffstat (limited to 'net/ethtool/ioctl.c')
-rw-r--r--net/ethtool/ioctl.c29
1 files changed, 25 insertions, 4 deletions
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)))