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ip6ip6: Support for GSO/GRO 

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2016-05-18 09:06:22 -07:00 committed by David S. Miller
parent 51c052d4f5
commit 815d22e55b
2 changed files with 26 additions and 3 deletions
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24
net/ipv6/ip6_offload.c
View File

@ -253,9 +253,11 @@ out:
return pp;
}
static struct sk_buff **sit_gro_receive(struct sk_buff **head,
struct sk_buff *skb)
static struct sk_buff **sit_ip6ip6_gro_receive(struct sk_buff **head,
struct sk_buff *skb)
{
/* Common GRO receive for SIT and IP6IP6 */
if (NAPI_GRO_CB(skb)->encap_mark) {
NAPI_GRO_CB(skb)->flush = 1;
return NULL;
@ -298,6 +300,13 @@ static int sit_gro_complete(struct sk_buff *skb, int nhoff)
return ipv6_gro_complete(skb, nhoff);
}
static int ip6ip6_gro_complete(struct sk_buff *skb, int nhoff)
{
skb->encapsulation = 1;
skb_shinfo(skb)->gso_type |= SKB_GSO_IPXIP6;
return ipv6_gro_complete(skb, nhoff);
}
static struct packet_offload ipv6_packet_offload __read_mostly = {
.type = cpu_to_be16(ETH_P_IPV6),
.callbacks = {
@ -310,11 +319,19 @@ static struct packet_offload ipv6_packet_offload __read_mostly = {
static const struct net_offload sit_offload = {
.callbacks = {
.gso_segment = ipv6_gso_segment,
.gro_receive = sit_gro_receive,
.gro_receive = sit_ip6ip6_gro_receive,
.gro_complete = sit_gro_complete,
},
};
static const struct net_offload ip6ip6_offload = {
.callbacks = {
.gso_segment = ipv6_gso_segment,
.gro_receive = sit_ip6ip6_gro_receive,
.gro_complete = ip6ip6_gro_complete,
},
};
static int __init ipv6_offload_init(void)
{
@ -326,6 +343,7 @@ static int __init ipv6_offload_init(void)
dev_add_offload(&ipv6_packet_offload);
inet_add_offload(&sit_offload, IPPROTO_IPV6);
inet6_add_offload(&ip6ip6_offload, IPPROTO_IPV6);
return 0;
}

5
net/ipv6/ip6_tunnel.c
View File

@ -1242,6 +1242,11 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
fl6.flowi6_mark = skb->mark;
if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
return -1;
skb_set_inner_ipproto(skb, IPPROTO_IPV6);
err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
IPPROTO_IPV6);
if (err != 0) {