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-rw-r--r--net/8021q/vlan.c3
-rw-r--r--net/8021q/vlan.h2
-rw-r--r--net/8021q/vlan_core.c15
-rw-r--r--net/8021q/vlan_dev.c38
-rw-r--r--net/8021q/vlan_netlink.c7
-rw-r--r--net/8021q/vlanproc.c2
6 files changed, 36 insertions, 31 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 788076b002b3..e40aa3e3641c 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -319,8 +319,7 @@ static void vlan_transfer_features(struct net_device *dev,
{
struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
- netif_set_gso_max_size(vlandev, dev->gso_max_size);
- netif_set_gso_max_segs(vlandev, dev->gso_max_segs);
+ netif_inherit_tso_max(vlandev, dev);
if (vlan_hw_offload_capable(dev->features, vlan->vlan_proto))
vlandev->hard_header_len = dev->hard_header_len;
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 1a705a4ef7fa..5eaf38875554 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -129,6 +129,7 @@ void vlan_dev_set_ingress_priority(const struct net_device *dev,
u32 skb_prio, u16 vlan_prio);
int vlan_dev_set_egress_priority(const struct net_device *dev,
u32 skb_prio, u16 vlan_prio);
+void vlan_dev_free_egress_priority(const struct net_device *dev);
int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask);
void vlan_dev_get_realdev_name(const struct net_device *dev, char *result,
size_t size);
@@ -139,7 +140,6 @@ int vlan_check_real_dev(struct net_device *real_dev,
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
-void vlan_dev_uninit(struct net_device *dev);
bool vlan_dev_inherit_address(struct net_device *dev,
struct net_device *real_dev);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index acf8c791f320..0beb44f2fe1f 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -63,10 +63,10 @@ bool vlan_do_receive(struct sk_buff **skbp)
rx_stats = this_cpu_ptr(vlan_dev_priv(vlan_dev)->vlan_pcpu_stats);
u64_stats_update_begin(&rx_stats->syncp);
- rx_stats->rx_packets++;
- rx_stats->rx_bytes += skb->len;
+ u64_stats_inc(&rx_stats->rx_packets);
+ u64_stats_add(&rx_stats->rx_bytes, skb->len);
if (skb->pkt_type == PACKET_MULTICAST)
- rx_stats->rx_multicast++;
+ u64_stats_inc(&rx_stats->rx_multicast);
u64_stats_update_end(&rx_stats->syncp);
return true;
@@ -467,12 +467,9 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head,
off_vlan = skb_gro_offset(skb);
hlen = off_vlan + sizeof(*vhdr);
- vhdr = skb_gro_header_fast(skb, off_vlan);
- if (skb_gro_header_hard(skb, hlen)) {
- vhdr = skb_gro_header_slow(skb, hlen, off_vlan);
- if (unlikely(!vhdr))
- goto out;
- }
+ vhdr = skb_gro_header(skb, hlen, off_vlan);
+ if (unlikely(!vhdr))
+ goto out;
type = vhdr->h_vlan_encapsulated_proto;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 26d031a43cc1..e1bb41a443c4 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -128,8 +128,8 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
stats = this_cpu_ptr(vlan->vlan_pcpu_stats);
u64_stats_update_begin(&stats->syncp);
- stats->tx_packets++;
- stats->tx_bytes += len;
+ u64_stats_inc(&stats->tx_packets);
+ u64_stats_add(&stats->tx_bytes, len);
u64_stats_update_end(&stats->syncp);
} else {
this_cpu_inc(vlan->vlan_pcpu_stats->tx_dropped);
@@ -573,8 +573,7 @@ static int vlan_dev_init(struct net_device *dev)
NETIF_F_ALL_FCOE;
dev->features |= dev->hw_features | NETIF_F_LLTX;
- netif_set_gso_max_size(dev, real_dev->gso_max_size);
- netif_set_gso_max_segs(dev, real_dev->gso_max_segs);
+ netif_inherit_tso_max(dev, real_dev);
if (dev->features & NETIF_F_VLAN_FEATURES)
netdev_warn(real_dev, "VLAN features are set incorrectly. Q-in-Q configurations may not work correctly.\n");
@@ -616,13 +615,13 @@ static int vlan_dev_init(struct net_device *dev)
return -ENOMEM;
/* Get vlan's reference to real_dev */
- dev_hold_track(real_dev, &vlan->dev_tracker, GFP_KERNEL);
+ netdev_hold(real_dev, &vlan->dev_tracker, GFP_KERNEL);
return 0;
}
/* Note: this function might be called multiple times for the same device. */
-void vlan_dev_uninit(struct net_device *dev)
+void vlan_dev_free_egress_priority(const struct net_device *dev)
{
struct vlan_priority_tci_mapping *pm;
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -636,6 +635,11 @@ void vlan_dev_uninit(struct net_device *dev)
}
}
+static void vlan_dev_uninit(struct net_device *dev)
+{
+ vlan_dev_free_egress_priority(dev);
+}
+
static netdev_features_t vlan_dev_fix_features(struct net_device *dev,
netdev_features_t features)
{
@@ -670,9 +674,9 @@ static int vlan_ethtool_get_link_ksettings(struct net_device *dev,
static void vlan_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
- strlcpy(info->driver, vlan_fullname, sizeof(info->driver));
- strlcpy(info->version, vlan_version, sizeof(info->version));
- strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
+ strscpy(info->driver, vlan_fullname, sizeof(info->driver));
+ strscpy(info->version, vlan_version, sizeof(info->version));
+ strscpy(info->fw_version, "N/A", sizeof(info->fw_version));
}
static int vlan_ethtool_get_ts_info(struct net_device *dev,
@@ -709,11 +713,11 @@ static void vlan_dev_get_stats64(struct net_device *dev,
p = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i);
do {
start = u64_stats_fetch_begin_irq(&p->syncp);
- rxpackets = p->rx_packets;
- rxbytes = p->rx_bytes;
- rxmulticast = p->rx_multicast;
- txpackets = p->tx_packets;
- txbytes = p->tx_bytes;
+ rxpackets = u64_stats_read(&p->rx_packets);
+ rxbytes = u64_stats_read(&p->rx_bytes);
+ rxmulticast = u64_stats_read(&p->rx_multicast);
+ txpackets = u64_stats_read(&p->tx_packets);
+ txbytes = u64_stats_read(&p->tx_bytes);
} while (u64_stats_fetch_retry_irq(&p->syncp, start));
stats->rx_packets += rxpackets;
@@ -722,8 +726,8 @@ static void vlan_dev_get_stats64(struct net_device *dev,
stats->tx_packets += txpackets;
stats->tx_bytes += txbytes;
/* rx_errors & tx_dropped are u32 */
- rx_errors += p->rx_errors;
- tx_dropped += p->tx_dropped;
+ rx_errors += READ_ONCE(p->rx_errors);
+ tx_dropped += READ_ONCE(p->tx_dropped);
}
stats->rx_errors = rx_errors;
stats->tx_dropped = tx_dropped;
@@ -848,7 +852,7 @@ static void vlan_dev_free(struct net_device *dev)
vlan->vlan_pcpu_stats = NULL;
/* Get rid of the vlan's reference to real_dev */
- dev_put_track(vlan->real_dev, &vlan->dev_tracker);
+ netdev_put(vlan->real_dev, &vlan->dev_tracker);
}
void vlan_setup(struct net_device *dev)
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 0db85aeb119b..214532173536 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -182,11 +182,16 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev,
else if (dev->mtu > max_mtu)
return -EINVAL;
+ /* Note: If this initial vlan_changelink() fails, we need
+ * to call vlan_dev_free_egress_priority() to free memory.
+ */
err = vlan_changelink(dev, tb, data, extack);
+
if (!err)
err = register_vlan_dev(dev, extack);
+
if (err)
- vlan_dev_uninit(dev);
+ vlan_dev_free_egress_priority(dev);
return err;
}
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 08bf6c839e25..7825c129742a 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -280,7 +280,7 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset)
const struct vlan_priority_tci_mapping *mp
= vlan->egress_priority_map[i];
while (mp) {
- seq_printf(seq, "%u:%hu ",
+ seq_printf(seq, "%u:%d ",
mp->priority, ((mp->vlan_qos >> 13) & 0x7));
mp = mp->next;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.