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| author | Tom Herbert <tom@herbertland.com> | 2016-05-18 19:06:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-21 01:03:17 +0300 |
| commit | 815d22e55b0eba3bfb8f0ba532ce9ae364fee556 (patch) | |
| tree | ca22cbfb6a5cc83129b0a0e8a19c3e42e0824bc7 | |
| parent | 51c052d4f5871554377278762065450b4e64f6d1 (diff) | |
| download | linux-815d22e55b0eba3bfb8f0ba532ce9ae364fee556.tar.xz | |
ip6ip6: Support for GSO/GRO
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/ip6_offload.c | 24 | ||||
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 5 |
2 files changed, 26 insertions, 3 deletions
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 787e55f4796c..332d6a03f182 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -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; } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index cabf492a56dc..d26d2269abec 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -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) { |