[Intel-wired-lan] [PATCH 4/6] geneve: Add geneve udp port offload for ethernet
Anjali Singhai Jain
anjali.singhai at intel.com
Mon Nov 9 20:10:49 UTC 2015
Call ndo_ops to add/del UDP ports to a device that supports geneve
offload.
Signed-off-by: Kiran Patil <kiran.patil at intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai at intel.com>
---
drivers/net/geneve.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index de5c30c..f77db6ab 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -371,8 +371,11 @@ static struct socket *geneve_create_sock(struct net *net, bool ipv6,
static void geneve_notify_add_rx_port(struct geneve_sock *gs)
{
+ struct net_device *dev;
struct sock *sk = gs->sock->sk;
+ struct net *net = sock_net(sk);
sa_family_t sa_family = sk->sk_family;
+ __be16 port = inet_sk(sk)->inet_sport;
int err;
if (sa_family == AF_INET) {
@@ -381,6 +384,14 @@ static void geneve_notify_add_rx_port(struct geneve_sock *gs)
pr_warn("geneve: udp_add_offload failed with status %d\n",
err);
}
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev) {
+ if (dev->netdev_ops->ndo_add_udp_tunnel_port)
+ dev->netdev_ops->ndo_add_udp_tunnel_port(dev,
+ sa_family,
+ port, UDP_TUNNEL_GENEVE);
+ }
+ rcu_read_unlock();
}
static int geneve_hlen(struct genevehdr *gh)
@@ -521,8 +532,20 @@ static struct geneve_sock *geneve_socket_create(struct net *net, __be16 port,
static void geneve_notify_del_rx_port(struct geneve_sock *gs)
{
+ struct net_device *dev;
struct sock *sk = gs->sock->sk;
+ struct net *net = sock_net(sk);
sa_family_t sa_family = sk->sk_family;
+ __be16 port = inet_sk(sk)->inet_sport;
+
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev) {
+ if (dev->netdev_ops->ndo_del_udp_tunnel_port)
+ dev->netdev_ops->ndo_del_udp_tunnel_port(dev,
+ sa_family,
+ port, UDP_TUNNEL_GENEVE);
+ }
+ rcu_read_unlock();
if (sa_family == AF_INET)
udp_del_offload(&gs->udp_offloads);
--
1.8.1.4
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