geneve: change to use UDP socket GRO

Adapt geneve_gro_receive, geneve_gro_complete to take a socket argument.
Set these functions in tunnel_config.  Don't set udp_offloads any more.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index bc16889..a9fbf17 100644 (file)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -87,7 +87,6 @@ struct geneve_sock {
        struct socket           *sock;
        struct rcu_head         rcu;
        int                     refcnt;
-       struct udp_offload      udp_offloads;
        struct hlist_head       vni_list[VNI_HASH_SIZE];
        u32                     flags;
 };
@@ -409,14 +408,6 @@ static void geneve_notify_add_rx_port(struct geneve_sock *gs)
        struct net *net = sock_net(sk);
        sa_family_t sa_family = geneve_get_sk_family(gs);
        __be16 port = inet_sk(sk)->inet_sport;
-       int err;
-
-       if (sa_family == AF_INET) {
-               err = udp_add_offload(sock_net(sk), &gs->udp_offloads);
-               if (err)
-                       pr_warn("geneve: udp_add_offload failed with status %d\n",
-                               err);
-       }
 
        rcu_read_lock();
        for_each_netdev_rcu(net, dev) {
@@ -432,9 +423,9 @@ static int geneve_hlen(struct genevehdr *gh)
        return sizeof(*gh) + gh->opt_len * 4;
 }
 
-static struct sk_buff **geneve_gro_receive(struct sk_buff **head,
-                                          struct sk_buff *skb,
-                                          struct udp_offload *uoff)
+static struct sk_buff **geneve_gro_receive(struct sock *sk,
+                                          struct sk_buff **head,
+                                          struct sk_buff *skb)
 {
        struct sk_buff *p, **pp = NULL;
        struct genevehdr *gh, *gh2;
@@ -495,8 +486,8 @@ out:
        return pp;
 }
 
-static int geneve_gro_complete(struct sk_buff *skb, int nhoff,
-                              struct udp_offload *uoff)
+static int geneve_gro_complete(struct sock *sk, struct sk_buff *skb,
+                              int nhoff)
 {
        struct genevehdr *gh;
        struct packet_offload *ptype;
@@ -545,14 +536,14 @@ static struct geneve_sock *geneve_socket_create(struct net *net, __be16 port,
                INIT_HLIST_HEAD(&gs->vni_list[h]);
 
        /* Initialize the geneve udp offloads structure */
-       gs->udp_offloads.port = port;
-       gs->udp_offloads.callbacks.gro_receive  = geneve_gro_receive;
-       gs->udp_offloads.callbacks.gro_complete = geneve_gro_complete;
        geneve_notify_add_rx_port(gs);
 
        /* Mark socket as an encapsulation socket */
+       memset(&tunnel_cfg, 0, sizeof(tunnel_cfg));
        tunnel_cfg.sk_user_data = gs;
        tunnel_cfg.encap_type = 1;
+       tunnel_cfg.gro_receive = geneve_gro_receive;
+       tunnel_cfg.gro_complete = geneve_gro_complete;
        tunnel_cfg.encap_rcv = geneve_udp_encap_recv;
        tunnel_cfg.encap_destroy = NULL;
        setup_udp_tunnel_sock(net, sock, &tunnel_cfg);
@@ -576,9 +567,6 @@ static void geneve_notify_del_rx_port(struct geneve_sock *gs)
        }
 
        rcu_read_unlock();
-
-       if (sa_family == AF_INET)
-               udp_del_offload(&gs->udp_offloads);
 }
 
 static void __geneve_sock_release(struct geneve_sock *gs)