diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-29 21:09:39 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-29 21:09:39 -0300 |
commit | 73bcc49959e4e40911dd0dd634bf1b353827df66 (patch) | |
tree | 6b0c1d440c490a65c51ab5cf5aee7095cb4089d3 /drivers/net/virtio_net.c | |
parent | 8447c4d15e357a458c9051ddc84aa6c8b9c27000 (diff) | |
parent | 28a33cbc24e4256c143dce96c7d93bf423229f92 (diff) |
Merge tag 'v3.5'
Linux 3.5
* tag 'v3.5': (1242 commits)
Linux 3.5
Remove SYSTEM_SUSPEND_DISK system state
kdb: Switch to nolock variants of kmsg_dump functions
printk: Implement some unlocked kmsg_dump functions
printk: Remove kdb_syslog_data
kdb: Revive dmesg command
dm raid1: set discard_zeroes_data_unsupported
dm thin: do not send discards to shared blocks
dm raid1: fix crash with mirror recovery and discard
pnfs-obj: Fix __r4w_get_page when offset is beyond i_size
pnfs-obj: don't leak objio_state if ore_write/read fails
ore: Unlock r4w pages in exact reverse order of locking
ore: Remove support of partial IO request (NFS crash)
ore: Fix NFS crash by supporting any unaligned RAID IO
UBIFS: fix a bug in empty space fix-up
cx25821: Remove bad strcpy to read-only char*
HID: hid-multitouch: add support for Zytronic panels
MIPS: PCI: Move fixups from __init to __devinit.
MIPS: Fix bug.h MIPS build regression
MIPS: sync-r4k: remove redundant irq operation
...
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r-- | drivers/net/virtio_net.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 5214b1eceb9..f18149ae258 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -42,7 +42,8 @@ module_param(gso, bool, 0444); #define VIRTNET_DRIVER_VERSION "1.0.0" struct virtnet_stats { - struct u64_stats_sync syncp; + struct u64_stats_sync tx_syncp; + struct u64_stats_sync rx_syncp; u64 tx_bytes; u64 tx_packets; @@ -300,10 +301,10 @@ static void receive_buf(struct net_device *dev, void *buf, unsigned int len) hdr = skb_vnet_hdr(skb); - u64_stats_update_begin(&stats->syncp); + u64_stats_update_begin(&stats->rx_syncp); stats->rx_bytes += skb->len; stats->rx_packets++; - u64_stats_update_end(&stats->syncp); + u64_stats_update_end(&stats->rx_syncp); if (hdr->hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) { pr_debug("Needs csum!\n"); @@ -565,10 +566,10 @@ static unsigned int free_old_xmit_skbs(struct virtnet_info *vi) while ((skb = virtqueue_get_buf(vi->svq, &len)) != NULL) { pr_debug("Sent skb %p\n", skb); - u64_stats_update_begin(&stats->syncp); + u64_stats_update_begin(&stats->tx_syncp); stats->tx_bytes += skb->len; stats->tx_packets++; - u64_stats_update_end(&stats->syncp); + u64_stats_update_end(&stats->tx_syncp); tot_sgs += skb_vnet_hdr(skb)->num_sg; dev_kfree_skb_any(skb); @@ -703,12 +704,16 @@ static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev, u64 tpackets, tbytes, rpackets, rbytes; do { - start = u64_stats_fetch_begin(&stats->syncp); + start = u64_stats_fetch_begin(&stats->tx_syncp); tpackets = stats->tx_packets; tbytes = stats->tx_bytes; + } while (u64_stats_fetch_retry(&stats->tx_syncp, start)); + + do { + start = u64_stats_fetch_begin(&stats->rx_syncp); rpackets = stats->rx_packets; rbytes = stats->rx_bytes; - } while (u64_stats_fetch_retry(&stats->syncp, start)); + } while (u64_stats_fetch_retry(&stats->rx_syncp, start)); tot->rx_packets += rpackets; tot->tx_packets += tpackets; |