This patch adds an op that the drivers can call into to get existing
geneve ports.
Signed-off-by: Anjali Singhai Jain <anjali.sing...@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 3 +++
drivers/net/geneve.c | 24 ++++++++++++++++++++++++
include/net/geneve.h | 8 ++++++++
3 files changed, 35 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ea7e6ac..a55493b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5300,6 +5300,9 @@ int i40e_open(struct net_device *netdev)
#ifdef CONFIG_I40E_VXLAN
vxlan_get_rx_port(netdev);
#endif
+#ifdef CONFIG_I40E_GENEVE
+ geneve_get_rx_port(netdev);
+#endif
return 0;
}
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index b43fd56..bcf2be0 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1090,6 +1090,30 @@ 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)
{
diff --git a/include/net/geneve.h b/include/net/geneve.h
index 3106ed6..e6c23dc 100644
--- a/include/net/geneve.h
+++ b/include/net/geneve.h
@@ -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);
--
1.8.1.4
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