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path: root/drivers/net/ethernet/via/via-rhine.c
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Diffstat (limited to 'drivers/net/ethernet/via/via-rhine.c')
-rw-r--r--drivers/net/ethernet/via/via-rhine.c56
1 files changed, 41 insertions, 15 deletions
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 7992b3e05d3..185c721c52d 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -417,6 +417,12 @@ enum chip_cmd_bits {
Cmd1NoTxPoll=0x08, Cmd1Reset=0x80,
};
+struct rhine_stats {
+ u64 packets;
+ u64 bytes;
+ struct u64_stats_sync syncp;
+};
+
struct rhine_private {
/* Bit mask for configured VLAN ids */
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
@@ -458,6 +464,8 @@ struct rhine_private {
unsigned int cur_rx, dirty_rx; /* Producer/consumer ring indices */
unsigned int cur_tx, dirty_tx;
unsigned int rx_buf_sz; /* Based on MTU+slack. */
+ struct rhine_stats rx_stats;
+ struct rhine_stats tx_stats;
u8 wolopts;
u8 tx_thresh, rx_thresh;
@@ -495,7 +503,8 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance);
static void rhine_tx(struct net_device *dev);
static int rhine_rx(struct net_device *dev, int limit);
static void rhine_set_rx_mode(struct net_device *dev);
-static struct net_device_stats *rhine_get_stats(struct net_device *dev);
+static struct rtnl_link_stats64 *rhine_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *stats);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static const struct ethtool_ops netdev_ethtool_ops;
static int rhine_close(struct net_device *dev);
@@ -842,7 +851,7 @@ static const struct net_device_ops rhine_netdev_ops = {
.ndo_open = rhine_open,
.ndo_stop = rhine_close,
.ndo_start_xmit = rhine_start_tx,
- .ndo_get_stats = rhine_get_stats,
+ .ndo_get_stats64 = rhine_get_stats64,
.ndo_set_rx_mode = rhine_set_rx_mode,
.ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
@@ -990,7 +999,6 @@ static int rhine_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev_info(dev, "Using random MAC address: %pM\n",
dev->dev_addr);
}
- memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
/* For Rhine-I/II, phy_id is loaded from EEPROM */
if (!phy_id)
@@ -1791,8 +1799,11 @@ static void rhine_tx(struct net_device *dev)
dev->stats.collisions += txstatus & 0x0F;
netif_dbg(rp, tx_done, dev, "collisions: %1.1x:%1.1x\n",
(txstatus >> 3) & 0xF, txstatus & 0xF);
- dev->stats.tx_bytes += rp->tx_skbuff[entry]->len;
- dev->stats.tx_packets++;
+
+ u64_stats_update_begin(&rp->tx_stats.syncp);
+ rp->tx_stats.bytes += rp->tx_skbuff[entry]->len;
+ rp->tx_stats.packets++;
+ u64_stats_update_end(&rp->tx_stats.syncp);
}
/* Free the original skb. */
if (rp->tx_skbuff_dma[entry]) {
@@ -1801,7 +1812,7 @@ static void rhine_tx(struct net_device *dev)
rp->tx_skbuff[entry]->len,
PCI_DMA_TODEVICE);
}
- dev_kfree_skb_irq(rp->tx_skbuff[entry]);
+ dev_kfree_skb(rp->tx_skbuff[entry]);
rp->tx_skbuff[entry] = NULL;
entry = (++rp->dirty_tx) % TX_RING_SIZE;
}
@@ -1924,8 +1935,11 @@ static int rhine_rx(struct net_device *dev, int limit)
if (unlikely(desc_length & DescTag))
__vlan_hwaccel_put_tag(skb, vlan_tci);
netif_receive_skb(skb);
- dev->stats.rx_bytes += pkt_len;
- dev->stats.rx_packets++;
+
+ u64_stats_update_begin(&rp->rx_stats.syncp);
+ rp->rx_stats.bytes += pkt_len;
+ rp->rx_stats.packets++;
+ u64_stats_update_end(&rp->rx_stats.syncp);
}
entry = (++rp->cur_rx) % RX_RING_SIZE;
rp->rx_head_desc = &rp->rx_ring[entry];
@@ -2010,25 +2024,37 @@ static void rhine_slow_event_task(struct work_struct *work)
if (intr_status & IntrPCIErr)
netif_warn(rp, hw, dev, "PCI error\n");
- napi_disable(&rp->napi);
- rhine_irq_disable(rp);
- /* Slow and safe. Consider __napi_schedule as a replacement ? */
- napi_enable(&rp->napi);
- napi_schedule(&rp->napi);
+ iowrite16(RHINE_EVENT & 0xffff, rp->base + IntrEnable);
out_unlock:
mutex_unlock(&rp->task_lock);
}
-static struct net_device_stats *rhine_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *
+rhine_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
struct rhine_private *rp = netdev_priv(dev);
+ unsigned int start;
spin_lock_bh(&rp->lock);
rhine_update_rx_crc_and_missed_errord(rp);
spin_unlock_bh(&rp->lock);
- return &dev->stats;
+ netdev_stats_to_stats64(stats, &dev->stats);
+
+ do {
+ start = u64_stats_fetch_begin_bh(&rp->rx_stats.syncp);
+ stats->rx_packets = rp->rx_stats.packets;
+ stats->rx_bytes = rp->rx_stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&rp->rx_stats.syncp, start));
+
+ do {
+ start = u64_stats_fetch_begin_bh(&rp->tx_stats.syncp);
+ stats->tx_packets = rp->tx_stats.packets;
+ stats->tx_bytes = rp->tx_stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&rp->tx_stats.syncp, start));
+
+ return stats;
}
static void rhine_set_rx_mode(struct net_device *dev)