* This function will register network interface device and * add it to network interface device list. * * @param netdev the network interface device object * @param name the network interface device name * @param user_data user-specific data * * @return 0: registered successfully * -1: registered failed */
| 54 | * -1: registered failed |
| 55 | */ |
| 56 | int netdev_register(struct netdev *netdev, const char *name, void *user_data) |
| 57 | { |
| 58 | rt_uint16_t flags_mask; |
| 59 | rt_uint16_t index; |
| 60 | |
| 61 | RT_ASSERT(netdev); |
| 62 | RT_ASSERT(name); |
| 63 | |
| 64 | /* clean network interface device */ |
| 65 | flags_mask = NETDEV_FLAG_UP | NETDEV_FLAG_LINK_UP | NETDEV_FLAG_INTERNET_UP | NETDEV_FLAG_DHCP; |
| 66 | netdev->flags &= ~flags_mask; |
| 67 | |
| 68 | ip_addr_set_zero(&(netdev->ip_addr)); |
| 69 | ip_addr_set_zero(&(netdev->netmask)); |
| 70 | ip_addr_set_zero(&(netdev->gw)); |
| 71 | |
| 72 | IP_SET_TYPE_VAL(netdev->ip_addr, IPADDR_TYPE_V4); |
| 73 | IP_SET_TYPE_VAL(netdev->netmask, IPADDR_TYPE_V4); |
| 74 | IP_SET_TYPE_VAL(netdev->gw, IPADDR_TYPE_V4); |
| 75 | #if NETDEV_IPV6 |
| 76 | for (index = 0; index < NETDEV_IPV6_NUM_ADDRESSES; index++) |
| 77 | { |
| 78 | ip_addr_set_zero(&(netdev->ip6_addr[index])); |
| 79 | IP_SET_TYPE_VAL(netdev->ip_addr, IPADDR_TYPE_V6); |
| 80 | } |
| 81 | #endif /* NETDEV_IPV6 */ |
| 82 | for (index = 0; index < NETDEV_DNS_SERVERS_NUM; index++) |
| 83 | { |
| 84 | ip_addr_set_zero(&(netdev->dns_servers[index])); |
| 85 | IP_SET_TYPE_VAL(netdev->ip_addr, IPADDR_TYPE_V4); |
| 86 | } |
| 87 | netdev->status_callback = RT_NULL; |
| 88 | netdev->addr_callback = RT_NULL; |
| 89 | |
| 90 | if(rt_strlen(name) > RT_NAME_MAX) |
| 91 | { |
| 92 | char netdev_name[RT_NAME_MAX + 1] = {0}; |
| 93 | |
| 94 | rt_strncpy(netdev_name, name, RT_NAME_MAX); |
| 95 | LOG_E("netdev name[%s] length is so long that have been cut into [%s].", name, netdev_name); |
| 96 | } |
| 97 | |
| 98 | /* fill network interface device */ |
| 99 | rt_strncpy(netdev->name, name, RT_NAME_MAX); |
| 100 | netdev->user_data = user_data; |
| 101 | |
| 102 | /* initialize current network interface device single list */ |
| 103 | rt_slist_init(&(netdev->list)); |
| 104 | |
| 105 | rt_spin_lock(&_spinlock); |
| 106 | |
| 107 | if (netdev_list == RT_NULL) |
| 108 | { |
| 109 | netdev_list = netdev; |
| 110 | } |
| 111 | else |
| 112 | { |
| 113 | /* tail insertion */ |