ipip: add GSO/TSO support

[~andy/linux] / net / ipv4 / af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 5783ab5b5ef853efeb8a0a6587a17827dcebbd2c..4049906010f715ce9a385e049b8c1b51be6d4e42 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1291,6 +1291,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
                       SKB_GSO_DODGY |
                       SKB_GSO_TCP_ECN |
                       SKB_GSO_GRE |
+                      SKB_GSO_IPIP |
                       SKB_GSO_TCPV6 |
                       SKB_GSO_UDP_TUNNEL |
                       SKB_GSO_MPLS |
@@ -1656,6 +1657,13 @@ static struct packet_offload ip_packet_offload __read_mostly = {
        },
 };
 
+static const struct net_offload ipip_offload = {
+       .callbacks = {
+               .gso_send_check = inet_gso_send_check,
+               .gso_segment    = inet_gso_segment,
+       },
+};
+
 static int __init ipv4_offload_init(void)
 {
        /*
@@ -1667,6 +1675,7 @@ static int __init ipv4_offload_init(void)
                pr_crit("%s: Cannot add TCP protocol offload\n", __func__);
 
        dev_add_offload(&ip_packet_offload);
+       inet_add_offload(&ipip_offload, IPPROTO_IPIP);
        return 0;
 }