net: Add net_if_get_by_link_addr() util function

This will return the network interface that has some specific
link address.

Change-Id: Iaebcf6e769d4f91f3cda6d3a0779324f89603b54
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-05-09 15:00:30 +03:00
commit b33d8d6591
2 changed files with 21 additions and 0 deletions

View file

@ -192,6 +192,13 @@ static inline uint16_t net_if_get_mtu(struct net_if *iface)
return iface->mtu;
}
/**
* @brief Get an interface according to link layer address.
* @param ll_addr Link layer address.
* @return Network interface or NULL if not found.
*/
struct net_if *net_if_get_by_link_addr(struct net_linkaddr *ll_addr);
struct net_if_api {
void (*init)(struct net_if *iface);
};

View file

@ -56,6 +56,20 @@ static inline void init_tx_queue(struct net_if *iface)
(nano_fiber_entry_t)net_if_tx_fiber, (int)iface, 0, 7, 0);
}
struct net_if *net_if_get_by_link_addr(struct net_linkaddr *ll_addr)
{
struct net_if *iface;
for (iface = __net_if_start; iface != __net_if_end; iface++) {
if (!memcmp(iface->link_addr.addr, ll_addr->addr,
ll_addr->len)) {
return iface;
}
}
return NULL;
}
int net_if_init(void)
{
struct net_if_api *api;