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Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c111
1 files changed, 58 insertions, 53 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 4b65aa492fb6..35a6b6b15e8a 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -385,6 +385,8 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case SIOCGMIIPHY:
case SIOCGMIIREG:
case SIOCSMIIREG:
+ case SIOCSHWTSTAMP:
+ case SIOCGHWTSTAMP:
if (netif_device_present(real_dev) && ops->ndo_do_ioctl)
err = ops->ndo_do_ioctl(real_dev, &ifrr, cmd);
break;
@@ -524,6 +526,11 @@ static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
}
+static int vlan_dev_get_lock_subclass(struct net_device *dev)
+{
+ return vlan_dev_priv(dev)->nest_level;
+}
+
static const struct header_ops vlan_header_ops = {
.create = vlan_dev_hard_header,
.rebuild = vlan_dev_rebuild_header,
@@ -559,7 +566,6 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- int subclass = 0, i;
netif_carrier_off(dev);
@@ -578,6 +584,9 @@ static int vlan_dev_init(struct net_device *dev)
dev->features |= real_dev->vlan_features | NETIF_F_LLTX;
dev->gso_max_size = real_dev->gso_max_size;
+ 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");
+
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
@@ -592,7 +601,8 @@ static int vlan_dev_init(struct net_device *dev)
#endif
dev->needed_headroom = real_dev->needed_headroom;
- if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
+ if (vlan_hw_offload_capable(real_dev->features,
+ vlan_dev_priv(dev)->vlan_proto)) {
dev->header_ops = &vlan_passthru_header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
@@ -604,22 +614,12 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
- if (is_vlan_dev(real_dev))
- subclass = 1;
-
- vlan_dev_set_lockdep_class(dev, subclass);
+ vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
- vlan_dev_priv(dev)->vlan_pcpu_stats = alloc_percpu(struct vlan_pcpu_stats);
+ vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
return -ENOMEM;
- for_each_possible_cpu(i) {
- struct vlan_pcpu_stats *vlan_stat;
- vlan_stat = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i);
- u64_stats_init(&vlan_stat->syncp);
- }
-
-
return 0;
}
@@ -629,8 +629,6 @@ static void vlan_dev_uninit(struct net_device *dev)
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
int i;
- free_percpu(vlan->vlan_pcpu_stats);
- vlan->vlan_pcpu_stats = NULL;
for (i = 0; i < ARRAY_SIZE(vlan->egress_priority_map); i++) {
while ((pm = vlan->egress_priority_map[i]) != NULL) {
vlan->egress_priority_map[i] = pm->next;
@@ -645,9 +643,9 @@ static netdev_features_t vlan_dev_fix_features(struct net_device *dev,
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
netdev_features_t old_features = features;
- features &= real_dev->vlan_features;
+ features = netdev_intersect_features(features, real_dev->vlan_features);
features |= NETIF_F_RXCSUM;
- features &= real_dev->features;
+ features = netdev_intersect_features(features, real_dev->features);
features |= old_features & NETIF_F_SOFT_FEATURES;
features |= NETIF_F_LLTX;
@@ -673,38 +671,36 @@ static void vlan_ethtool_get_drvinfo(struct net_device *dev,
static struct rtnl_link_stats64 *vlan_dev_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
+ struct vlan_pcpu_stats *p;
+ u32 rx_errors = 0, tx_dropped = 0;
+ int i;
- if (vlan_dev_priv(dev)->vlan_pcpu_stats) {
- struct vlan_pcpu_stats *p;
- u32 rx_errors = 0, tx_dropped = 0;
- int i;
-
- for_each_possible_cpu(i) {
- u64 rxpackets, rxbytes, rxmulticast, txpackets, txbytes;
- unsigned int start;
-
- p = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i);
- do {
- start = u64_stats_fetch_begin_bh(&p->syncp);
- rxpackets = p->rx_packets;
- rxbytes = p->rx_bytes;
- rxmulticast = p->rx_multicast;
- txpackets = p->tx_packets;
- txbytes = p->tx_bytes;
- } while (u64_stats_fetch_retry_bh(&p->syncp, start));
-
- stats->rx_packets += rxpackets;
- stats->rx_bytes += rxbytes;
- stats->multicast += rxmulticast;
- stats->tx_packets += txpackets;
- stats->tx_bytes += txbytes;
- /* rx_errors & tx_dropped are u32 */
- rx_errors += p->rx_errors;
- tx_dropped += p->tx_dropped;
- }
- stats->rx_errors = rx_errors;
- stats->tx_dropped = tx_dropped;
+ for_each_possible_cpu(i) {
+ u64 rxpackets, rxbytes, rxmulticast, txpackets, txbytes;
+ unsigned int start;
+
+ 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;
+ } while (u64_stats_fetch_retry_irq(&p->syncp, start));
+
+ stats->rx_packets += rxpackets;
+ stats->rx_bytes += rxbytes;
+ stats->multicast += rxmulticast;
+ stats->tx_packets += txpackets;
+ stats->tx_bytes += txbytes;
+ /* rx_errors & tx_dropped are u32 */
+ rx_errors += p->rx_errors;
+ tx_dropped += p->tx_dropped;
}
+ stats->rx_errors = rx_errors;
+ stats->tx_dropped = tx_dropped;
+
return stats;
}
@@ -714,20 +710,19 @@ static void vlan_dev_poll_controller(struct net_device *dev)
return;
}
-static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo,
- gfp_t gfp)
+static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
struct net_device *real_dev = vlan->real_dev;
struct netpoll *netpoll;
int err = 0;
- netpoll = kzalloc(sizeof(*netpoll), gfp);
+ netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL);
err = -ENOMEM;
if (!netpoll)
goto out;
- err = __netpoll_setup(netpoll, real_dev, gfp);
+ err = __netpoll_setup(netpoll, real_dev);
if (err) {
kfree(netpoll);
goto out;
@@ -787,8 +782,18 @@ static const struct net_device_ops vlan_netdev_ops = {
.ndo_netpoll_cleanup = vlan_dev_netpoll_cleanup,
#endif
.ndo_fix_features = vlan_dev_fix_features,
+ .ndo_get_lock_subclass = vlan_dev_get_lock_subclass,
};
+static void vlan_dev_free(struct net_device *dev)
+{
+ struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+
+ free_percpu(vlan->vlan_pcpu_stats);
+ vlan->vlan_pcpu_stats = NULL;
+ free_netdev(dev);
+}
+
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
@@ -798,7 +803,7 @@ void vlan_setup(struct net_device *dev)
dev->tx_queue_len = 0;
dev->netdev_ops = &vlan_netdev_ops;
- dev->destructor = free_netdev;
+ dev->destructor = vlan_dev_free;
dev->ethtool_ops = &vlan_ethtool_ops;
memset(dev->broadcast, 0, ETH_ALEN);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-29 01:18:30 +0000