Commit a8170d2b authored by Singhai, Anjali's avatar Singhai, Anjali Committed by David S. Miller

geneve: Add geneve udp port offload for ethernet devices

Add ndo_ops to add/del UDP ports to a device that supports geneve
offload.

v2: Comment fix.
Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: default avatarKiran Patil <kiran.patil@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 566178f8
......@@ -380,8 +380,11 @@ 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) {
......@@ -390,6 +393,14 @@ 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_geneve_port)
dev->netdev_ops->ndo_add_geneve_port(dev, sa_family,
port);
}
rcu_read_unlock();
}
static int geneve_hlen(struct genevehdr *gh)
......@@ -530,8 +541,20 @@ 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_geneve_port)
dev->netdev_ops->ndo_del_geneve_port(dev, sa_family,
port);
}
rcu_read_unlock();
if (sa_family == AF_INET)
udp_del_offload(&gs->udp_offloads);
......
......@@ -1013,6 +1013,19 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
* a new port starts listening. The operation is protected by the
* vxlan_net->sock_lock.
*
* void (*ndo_add_geneve_port)(struct net_device *dev,
* sa_family_t sa_family, __be16 port);
* Called by geneve to notify a driver about the UDP port and socket
* address family that geneve is listnening to. It is called only when
* a new port starts listening. The operation is protected by the
* geneve_net->sock_lock.
*
* void (*ndo_del_geneve_port)(struct net_device *dev,
* sa_family_t sa_family, __be16 port);
* Called by geneve to notify the driver about a UDP port and socket
* address family that geneve is not listening to anymore. The operation
* is protected by the geneve_net->sock_lock.
*
* void (*ndo_del_vxlan_port)(struct net_device *dev,
* sa_family_t sa_family, __be16 port);
* Called by vxlan to notify the driver about a UDP port and socket
......@@ -1217,7 +1230,12 @@ struct net_device_ops {
void (*ndo_del_vxlan_port)(struct net_device *dev,
sa_family_t sa_family,
__be16 port);
void (*ndo_add_geneve_port)(struct net_device *dev,
sa_family_t sa_family,
__be16 port);
void (*ndo_del_geneve_port)(struct net_device *dev,
sa_family_t sa_family,
__be16 port);
void* (*ndo_dfwd_add_station)(struct net_device *pdev,
struct net_device *dev);
void (*ndo_dfwd_del_station)(struct net_device *pdev,
......
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