diff options
Diffstat (limited to 'drivers/net/macvlan.c')
| -rw-r--r-- | drivers/net/macvlan.c | 78 |
1 files changed, 67 insertions, 11 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index d7dba3f6f76..ae2b5c79c55 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -38,12 +38,27 @@ struct macvlan_port { struct list_head vlans; }; +/** + * struct macvlan_rx_stats - MACVLAN percpu rx stats + * @rx_packets: number of received packets + * @rx_bytes: number of received bytes + * @multicast: number of received multicast packets + * @rx_errors: number of errors + */ +struct macvlan_rx_stats { + unsigned long rx_packets; + unsigned long rx_bytes; + unsigned long multicast; + unsigned long rx_errors; +}; + struct macvlan_dev { struct net_device *dev; struct list_head list; struct hlist_node hlist; struct macvlan_port *port; struct net_device *lowerdev; + struct macvlan_rx_stats *rx_stats; }; @@ -110,6 +125,7 @@ static void macvlan_broadcast(struct sk_buff *skb, struct net_device *dev; struct sk_buff *nskb; unsigned int i; + struct macvlan_rx_stats *rx_stats; if (skb->protocol == htons(ETH_P_PAUSE)) return; @@ -117,17 +133,17 @@ static void macvlan_broadcast(struct sk_buff *skb, for (i = 0; i < MACVLAN_HASH_SIZE; i++) { hlist_for_each_entry_rcu(vlan, n, &port->vlan_hash[i], hlist) { dev = vlan->dev; + rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id()); nskb = skb_clone(skb, GFP_ATOMIC); if (nskb == NULL) { - dev->stats.rx_errors++; - dev->stats.rx_dropped++; + rx_stats->rx_errors++; continue; } - dev->stats.rx_bytes += skb->len + ETH_HLEN; - dev->stats.rx_packets++; - dev->stats.multicast++; + rx_stats->rx_bytes += skb->len + ETH_HLEN; + rx_stats->rx_packets++; + rx_stats->multicast++; nskb->dev = dev; if (!compare_ether_addr_64bits(eth->h_dest, dev->broadcast)) @@ -147,6 +163,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb) const struct macvlan_port *port; const struct macvlan_dev *vlan; struct net_device *dev; + struct macvlan_rx_stats *rx_stats; port = rcu_dereference(skb->dev->macvlan_port); if (port == NULL) @@ -166,16 +183,15 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb) kfree_skb(skb); return NULL; } - + rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id()); skb = skb_share_check(skb, GFP_ATOMIC); if (skb == NULL) { - dev->stats.rx_errors++; - dev->stats.rx_dropped++; + rx_stats->rx_errors++; return NULL; } - dev->stats.rx_bytes += skb->len + ETH_HLEN; - dev->stats.rx_packets++; + rx_stats->rx_bytes += skb->len + ETH_HLEN; + rx_stats->rx_packets++; skb->dev = dev; skb->pkt_type = PACKET_HOST; @@ -202,7 +218,7 @@ static netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, } else txq->tx_dropped++; - return NETDEV_TX_OK; + return ret; } static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev, @@ -365,9 +381,47 @@ static int macvlan_init(struct net_device *dev) macvlan_set_lockdep_class(dev); + vlan->rx_stats = alloc_percpu(struct macvlan_rx_stats); + if (!vlan->rx_stats) + return -ENOMEM; + return 0; } +static void macvlan_uninit(struct net_device *dev) +{ + struct macvlan_dev *vlan = netdev_priv(dev); + + free_percpu(vlan->rx_stats); +} + +static struct net_device_stats *macvlan_dev_get_stats(struct net_device *dev) +{ + struct net_device_stats *stats = &dev->stats; + struct macvlan_dev *vlan = netdev_priv(dev); + + dev_txq_stats_fold(dev, stats); + + if (vlan->rx_stats) { + struct macvlan_rx_stats *p, rx = {0}; + int i; + + for_each_possible_cpu(i) { + p = per_cpu_ptr(vlan->rx_stats, i); + rx.rx_packets += p->rx_packets; + rx.rx_bytes += p->rx_bytes; + rx.rx_errors += p->rx_errors; + rx.multicast += p->multicast; + } + stats->rx_packets = rx.rx_packets; + stats->rx_bytes = rx.rx_bytes; + stats->rx_errors = rx.rx_errors; + stats->rx_dropped = rx.rx_errors; + stats->multicast = rx.multicast; + } + return stats; +} + static void macvlan_ethtool_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { @@ -404,6 +458,7 @@ static const struct ethtool_ops macvlan_ethtool_ops = { static const struct net_device_ops macvlan_netdev_ops = { .ndo_init = macvlan_init, + .ndo_uninit = macvlan_uninit, .ndo_open = macvlan_open, .ndo_stop = macvlan_stop, .ndo_start_xmit = macvlan_start_xmit, @@ -411,6 +466,7 @@ static const struct net_device_ops macvlan_netdev_ops = { .ndo_change_rx_flags = macvlan_change_rx_flags, .ndo_set_mac_address = macvlan_set_mac_address, .ndo_set_multicast_list = macvlan_set_multicast_list, + .ndo_get_stats = macvlan_dev_get_stats, .ndo_validate_addr = eth_validate_addr, }; |