diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/loopback.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index b33111e2131..c1e3cee8ec3 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -68,6 +68,7 @@ static DEFINE_PER_CPU(struct net_device_stats, loopback_stats); * of largesending device modulo TCP checksum, which is ignored for loopback. */ +#ifdef LOOPBACK_TSO static void emulate_large_send_offload(struct sk_buff *skb) { struct iphdr *iph = skb->nh.iph; @@ -119,6 +120,7 @@ static void emulate_large_send_offload(struct sk_buff *skb) dev_kfree_skb(skb); } +#endif /* LOOPBACK_TSO */ /* * The higher levels take care of making this non-reentrant (it's @@ -136,6 +138,7 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev) skb->ip_summed = CHECKSUM_UNNECESSARY; #endif +#ifdef LOOPBACK_TSO if (skb_shinfo(skb)->tso_size) { BUG_ON(skb->protocol != htons(ETH_P_IP)); BUG_ON(skb->nh.iph->protocol != IPPROTO_TCP); @@ -143,7 +146,7 @@ static int loopback_xmit(struct sk_buff *skb, struct net_device *dev) emulate_large_send_offload(skb); return 0; } - +#endif dev->last_rx = jiffies; lb_stats = &per_cpu(loopback_stats, get_cpu()); @@ -209,6 +212,9 @@ struct net_device loopback_dev = { .rebuild_header = eth_rebuild_header, .flags = IFF_LOOPBACK, .features = NETIF_F_SG|NETIF_F_FRAGLIST +#ifdef LOOPBACK_TSO + |NETIF_F_TSO +#endif |NETIF_F_NO_CSUM|NETIF_F_HIGHDMA |NETIF_F_LLTX, .ethtool_ops = &loopback_ethtool_ops, |