net: Add net protocol offload registration infrustructure
Create a new data structure for IPv4 protocols that holds GRO/GSO
callbacks and a new array to track the protocols that register GRO/GSO.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 4c99c5f..3918d86 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1566,6 +1566,13 @@
.netns_ok = 1,
};
+static const struct net_offload tcp_offload = {
+ .gso_send_check = tcp_v4_gso_send_check,
+ .gso_segment = tcp_tso_segment,
+ .gro_receive = tcp4_gro_receive,
+ .gro_complete = tcp4_gro_complete,
+};
+
static const struct net_protocol udp_protocol = {
.handler = udp_rcv,
.err_handler = udp_err,
@@ -1575,6 +1582,11 @@
.netns_ok = 1,
};
+static const struct net_offload udp_offload = {
+ .gso_send_check = udp4_ufo_send_check,
+ .gso_segment = udp4_ufo_fragment,
+};
+
static const struct net_protocol icmp_protocol = {
.handler = icmp_rcv,
.err_handler = ping_err,