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path: root/drivers/net/loopback.c
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Diffstat (limited to 'drivers/net/loopback.c')
-rw-r--r--drivers/net/loopback.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 2b739fd584f..6ba6ed2b480 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -75,8 +75,9 @@ static DEFINE_PER_CPU(struct pcpu_lstats, pcpu_lstats);
#ifdef LOOPBACK_TSO
static void emulate_large_send_offload(struct sk_buff *skb)
{
- struct iphdr *iph = skb->nh.iph;
- struct tcphdr *th = (struct tcphdr*)(skb->nh.raw + (iph->ihl * 4));
+ struct iphdr *iph = ip_hdr(skb);
+ struct tcphdr *th = (struct tcphdr *)(skb_network_header(skb) +
+ (iph->ihl * 4));
unsigned int doffset = (iph->ihl + th->doff) * 4;
unsigned int mtu = skb_shinfo(skb)->gso_size + doffset;
unsigned int offset = 0;
@@ -90,10 +91,11 @@ static void emulate_large_send_offload(struct sk_buff *skb)
if (!nskb)
break;
skb_reserve(nskb, 32);
- nskb->mac.raw = nskb->data - 14;
- nskb->nh.raw = nskb->data;
- iph = nskb->nh.iph;
- memcpy(nskb->data, skb->nh.raw, doffset);
+ skb_set_mac_header(nskb, -ETH_HLEN);
+ skb_reset_network_header(nskb);
+ iph = ip_hdr(nskb);
+ skb_copy_to_linear_data(nskb, skb_network_header(skb),
+ doffset);
if (skb_copy_bits(skb,
doffset + offset,
nskb->data + doffset,
@@ -108,7 +110,7 @@ static void emulate_large_send_offload(struct sk_buff *skb)
memcpy(nskb->cb, skb->cb, sizeof(skb->cb));
nskb->pkt_type = skb->pkt_type;
- th = (struct tcphdr*)(nskb->nh.raw + iph->ihl*4);
+ th = (struct tcphdr *)(skb_network_header(nskb) + iph->ihl * 4);
iph->tot_len = htons(frag_size + doffset);
iph->id = htons(id);
iph->check = 0;
@@ -137,7 +139,6 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
skb_orphan(skb);
skb->protocol = eth_type_trans(skb,dev);
- skb->dev = dev;
#ifndef LOOPBACK_MUST_CHECKSUM
skb->ip_summed = CHECKSUM_UNNECESSARY;
#endif
@@ -145,7 +146,7 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
#ifdef LOOPBACK_TSO
if (skb_is_gso(skb)) {
BUG_ON(skb->protocol != htons(ETH_P_IP));
- BUG_ON(skb->nh.iph->protocol != IPPROTO_TCP);
+ BUG_ON(ip_hdr(skb)->protocol != IPPROTO_TCP);
emulate_large_send_offload(skb);
return 0;
@@ -163,11 +164,9 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
return 0;
}
-static struct net_device_stats loopback_stats;
-
static struct net_device_stats *get_stats(struct net_device *dev)
{
- struct net_device_stats *stats = &loopback_stats;
+ struct net_device_stats *stats = &dev->stats;
unsigned long bytes = 0;
unsigned long packets = 0;
int i;
@@ -207,7 +206,6 @@ static const struct ethtool_ops loopback_ethtool_ops = {
struct net_device loopback_dev = {
.name = "lo",
.get_stats = &get_stats,
- .priv = &loopback_stats,
.mtu = (16 * 1024) + 20 + 20 + 12,
.hard_start_xmit = loopback_xmit,
.hard_header = eth_header,