diff options
Diffstat (limited to 'net/batman-adv/hard-interface.c')
| -rw-r--r-- | net/batman-adv/hard-interface.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index db7aacf1e09..bf91e4d8a47 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -249,7 +249,7 @@ static void hardif_activate_interface(struct hard_iface *hard_iface) /** * the first active interface becomes our primary interface or - * the next active interface after the old primay interface was removed + * the next active interface after the old primary interface was removed */ primary_if = primary_if_get_selected(bat_priv); if (!primary_if) @@ -573,7 +573,7 @@ out: return NOTIFY_DONE; } -/* receive a packet with the batman ethertype coming on a hard +/* incoming packets with the batman ethertype received on any active hard * interface */ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, @@ -681,6 +681,36 @@ err_out: return NET_RX_DROP; } +/* This function returns true if the interface represented by ifindex is a + * 802.11 wireless device */ +bool is_wifi_iface(int ifindex) +{ + struct net_device *net_device = NULL; + bool ret = false; + + if (ifindex == NULL_IFINDEX) + goto out; + + net_device = dev_get_by_index(&init_net, ifindex); + if (!net_device) + goto out; + +#ifdef CONFIG_WIRELESS_EXT + /* pre-cfg80211 drivers have to implement WEXT, so it is possible to + * check for wireless_handlers != NULL */ + if (net_device->wireless_handlers) + ret = true; + else +#endif + /* cfg80211 drivers have to set ieee80211_ptr */ + if (net_device->ieee80211_ptr) + ret = true; +out: + if (net_device) + dev_put(net_device); + return ret; +} + struct notifier_block hard_if_notifier = { .notifier_call = hard_if_event, }; |