Commit 05ca4029 authored by Singhai, Anjali's avatar Singhai, Anjali Committed by David S. Miller
Browse files

geneve: Add geneve_get_rx_port support 



This patch adds an op that the drivers can call into to get existing
geneve ports.

Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c110c311

drivers/net/geneve.c

+24 −0
Original line number Diff line number Diff line
@@ -1109,6 +1109,30 @@ static struct device_type geneve_type = { 
	.name = "geneve",

};



/* Calls the ndo_add_geneve_port of the caller in order to

 * supply the listening GENEVE udp ports. Callers are expected

 * to implement the ndo_add_geneve_port.

 */

void geneve_get_rx_port(struct net_device *dev)

{

	struct net *net = dev_net(dev);

	struct geneve_net *gn = net_generic(net, geneve_net_id);

	struct geneve_sock *gs;

	sa_family_t sa_family;

	struct sock *sk;

	__be16 port;



	rcu_read_lock();

	list_for_each_entry_rcu(gs, &gn->sock_list, list) {

		sk = gs->sock->sk;

		sa_family = sk->sk_family;

		port = inet_sk(sk)->inet_sport;

		dev->netdev_ops->ndo_add_geneve_port(dev, sa_family, port);

	}

	rcu_read_unlock();

}

EXPORT_SYMBOL_GPL(geneve_get_rx_port);



/* Initialize the device structure. */

static void geneve_setup(struct net_device *dev)

{

include/net/geneve.h

+8 −0
Original line number Diff line number Diff line
@@ -62,6 +62,14 @@ struct genevehdr { 
	struct geneve_opt options[];

};



#if IS_ENABLED(CONFIG_GENEVE)

void geneve_get_rx_port(struct net_device *netdev);

#else

static inline void geneve_get_rx_port(struct net_device *netdev)

{

}

#endif



#ifdef CONFIG_INET

struct net_device *geneve_dev_create_fb(struct net *net, const char *name,

					u8 name_assign_type, u16 dst_port);