diff options
Diffstat (limited to 'components/net/netdev/src')
| -rw-r--r-- | components/net/netdev/src/netdev.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/components/net/netdev/src/netdev.c b/components/net/netdev/src/netdev.c index 22b6d3d74c..94f7613719 100644 --- a/components/net/netdev/src/netdev.c +++ b/components/net/netdev/src/netdev.c @@ -39,6 +39,7 @@ struct netdev *netdev_default = RT_NULL; static netdev_callback_fn g_netdev_register_callback = RT_NULL; static netdev_callback_fn g_netdev_default_change_callback = RT_NULL; static RT_DEFINE_SPINLOCK(_spinlock); +static int netdev_num; /** * This function will register network interface device and @@ -112,6 +113,9 @@ int netdev_register(struct netdev *netdev, const char *name, void *user_data) rt_slist_append(&(netdev_list->list), &(netdev->list)); } + netdev_num++; + netdev->ifindex = netdev_num; + rt_spin_unlock(&_spinlock); if (netdev_default == RT_NULL) @@ -326,6 +330,42 @@ struct netdev *netdev_get_by_name(const char *name) return RT_NULL; } +/** + * This function will get network interface device + * in network interface device list by netdev ifindex. + * + * @param ifindex the ifindex of network interface device + * + * @return != NULL: network interface device object + * NULL: get failed + */ +struct netdev *netdev_get_by_ifindex(int ifindex) +{ + rt_slist_t *node = RT_NULL; + struct netdev *netdev = RT_NULL; + + if (netdev_list == RT_NULL) + { + return RT_NULL; + } + + rt_spin_lock(&_spinlock); + + for (node = &(netdev_list->list); node; node = rt_slist_next(node)) + { + netdev = rt_slist_entry(node, struct netdev, list); + if (netdev && (netdev->ifindex == ifindex)) + { + rt_spin_unlock(&_spinlock); + return netdev; + } + } + + rt_spin_unlock(&_spinlock); + + return RT_NULL; +} + #ifdef RT_USING_SAL /** * This function will get the first network interface device |