diff options
| author | Singhai, Anjali <anjali.singhai@intel.com> | 2015-12-14 12:21:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-16 10:58:56 -0500 |
| commit | 05ca4029b25c65c860be5baa9288ec8f7e0a97e6 (patch) | |
| tree | ff21869a2c818b772ce7e2f9e5339168ebaad00f | |
| parent | c110c311b195c54ce75bc2e85bbebd88d566d86c (diff) | |
| download | linux-05ca4029b25c65c860be5baa9288ec8f7e0a97e6.tar.bz2 | |
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: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/geneve.c | 24 | ||||
| -rw-r--r-- | include/net/geneve.h | 8 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 89325e483ecf..31b19fdf659d 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -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) { diff --git a/include/net/geneve.h b/include/net/geneve.h index 3106ed6eae0d..e6c23dc765f7 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); |