diff options
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 2 | ||||
| -rw-r--r-- | net/batman-adv/bat_v_elp.c | 8 | ||||
| -rw-r--r-- | net/batman-adv/hard-interface.c | 82 | ||||
| -rw-r--r-- | net/batman-adv/hard-interface.h | 5 | ||||
| -rw-r--r-- | net/batman-adv/translation-table.c | 10 | ||||
| -rw-r--r-- | net/batman-adv/types.h | 13 |
6 files changed, 95 insertions, 25 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index bd39247e2f0f..36d8818b538f 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -1272,7 +1272,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, */ tq_iface_penalty = BATADV_TQ_MAX_VALUE; if (if_outgoing && (if_incoming == if_outgoing) && - batadv_is_wifi_netdev(if_outgoing->net_dev)) + batadv_is_wifi_hardif(if_outgoing)) tq_iface_penalty = batadv_hop_penalty(BATADV_TQ_MAX_VALUE, bat_priv); diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c index e601def12aec..0d7868912253 100644 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@ -89,8 +89,8 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh) /* if this is a wireless device, then ask its throughput through * cfg80211 API */ - if (batadv_is_wifi_netdev(hard_iface->net_dev)) { - if (!batadv_is_cfg80211_netdev(hard_iface->net_dev)) + if (batadv_is_wifi_hardif(hard_iface)) { + if (!batadv_is_cfg80211_hardif(hard_iface)) /* unsupported WiFi driver version */ goto default_throughput; @@ -186,7 +186,7 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh) int elp_skb_len; /* this probing routine is for Wifi neighbours only */ - if (!batadv_is_wifi_netdev(hard_iface->net_dev)) + if (!batadv_is_wifi_hardif(hard_iface)) return true; /* probe the neighbor only if no unicast packets have been sent @@ -351,7 +351,7 @@ int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface) /* warn the user (again) if there is no throughput data is available */ hard_iface->bat_v.flags &= ~BATADV_WARNING_DEFAULT; - if (batadv_is_wifi_netdev(hard_iface->net_dev)) + if (batadv_is_wifi_hardif(hard_iface)) hard_iface->bat_v.flags &= ~BATADV_FULL_DUPLEX; INIT_DELAYED_WORK(&hard_iface->bat_v.elp_wq, diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index c3fbc1b9c8e3..57e89125ab3e 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -202,6 +202,30 @@ static bool batadv_is_valid_iface(const struct net_device *net_dev) } /** + * batadv_is_wext_netdev - check if the given net_device struct is a + * wext wifi interface + * @net_device: the device to check + * + * Return: true if the net device is a wext wireless device, false + * otherwise. + */ +static bool batadv_is_wext_netdev(struct net_device *net_device) +{ + if (!net_device) + return false; + +#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) + return true; +#endif + + return false; +} + +/** * batadv_is_cfg80211_netdev - check if the given net_device struct is a * cfg80211 wifi interface * @net_device: the device to check @@ -209,7 +233,7 @@ static bool batadv_is_valid_iface(const struct net_device *net_dev) * Return: true if the net device is a cfg80211 wireless device, false * otherwise. */ -bool batadv_is_cfg80211_netdev(struct net_device *net_device) +static bool batadv_is_cfg80211_netdev(struct net_device *net_device) { if (!net_device) return false; @@ -222,26 +246,53 @@ bool batadv_is_cfg80211_netdev(struct net_device *net_device) } /** - * batadv_is_wifi_netdev - check if the given net_device struct is a wifi - * interface + * batadv_wifi_flags_evaluate - calculate wifi flags for net_device * @net_device: the device to check * + * Return: batadv_hard_iface_wifi_flags flags of the device + */ +static u32 batadv_wifi_flags_evaluate(struct net_device *net_device) +{ + u32 wifi_flags = 0; + + if (batadv_is_wext_netdev(net_device)) + wifi_flags |= BATADV_HARDIF_WIFI_WEXT_DIRECT; + + if (batadv_is_cfg80211_netdev(net_device)) + wifi_flags |= BATADV_HARDIF_WIFI_CFG80211_DIRECT; + + return wifi_flags; +} + +/** + * batadv_is_cfg80211_hardif - check if the given hardif is a cfg80211 wifi + * interface + * @hard_iface: the device to check + * + * Return: true if the net device is a cfg80211 wireless device, false + * otherwise. + */ +bool batadv_is_cfg80211_hardif(struct batadv_hard_iface *hard_iface) +{ + u32 allowed_flags = 0; + + allowed_flags |= BATADV_HARDIF_WIFI_CFG80211_DIRECT; + + return !!(hard_iface->wifi_flags & allowed_flags); +} + +/** + * batadv_is_wifi_hardif - check if the given hardif is a wifi interface + * @hard_iface: the device to check + * * Return: true if the net device is a 802.11 wireless device, false otherwise. */ -bool batadv_is_wifi_netdev(struct net_device *net_device) +bool batadv_is_wifi_hardif(struct batadv_hard_iface *hard_iface) { - if (!net_device) + if (!hard_iface) return false; -#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) - return true; -#endif - - return batadv_is_cfg80211_netdev(net_device); + return hard_iface->wifi_flags != 0; } /** @@ -765,7 +816,8 @@ batadv_hardif_add_interface(struct net_device *net_dev) kref_init(&hard_iface->refcount); hard_iface->num_bcasts = BATADV_NUM_BCASTS_DEFAULT; - if (batadv_is_wifi_netdev(net_dev)) + hard_iface->wifi_flags = batadv_wifi_flags_evaluate(net_dev); + if (batadv_is_wifi_hardif(hard_iface)) hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS; batadv_v_hardif_init(hard_iface); diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h index 7f9acab0514c..7281dd264225 100644 --- a/net/batman-adv/hard-interface.h +++ b/net/batman-adv/hard-interface.h @@ -65,9 +65,8 @@ enum batadv_hard_if_cleanup { extern struct notifier_block batadv_hard_if_notifier; -bool batadv_is_cfg80211_netdev(struct net_device *net_device); -bool batadv_is_wifi_netdev(struct net_device *net_device); -bool batadv_is_wifi_iface(int ifindex); +bool batadv_is_cfg80211_hardif(struct batadv_hard_iface *hard_iface); +bool batadv_is_wifi_hardif(struct batadv_hard_iface *hard_iface); struct batadv_hard_iface* batadv_hardif_get_by_netdev(const struct net_device *net_dev); int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 3cae8f4fd717..447f9490b692 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -646,6 +646,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, struct net *net = dev_net(soft_iface); struct batadv_softif_vlan *vlan; struct net_device *in_dev = NULL; + struct batadv_hard_iface *in_hardif = NULL; struct hlist_head *head; struct batadv_tt_orig_list_entry *orig_entry; int hash_added, table_size, packet_size_max; @@ -657,6 +658,9 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, if (ifindex != BATADV_NULL_IFINDEX) in_dev = dev_get_by_index(net, ifindex); + if (in_dev) + in_hardif = batadv_hardif_get_by_netdev(in_dev); + tt_local = batadv_tt_local_hash_find(bat_priv, addr, vid); if (!is_multicast_ether_addr(addr)) @@ -730,7 +734,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, */ tt_local->common.flags = BATADV_TT_CLIENT_NEW; tt_local->common.vid = vid; - if (batadv_is_wifi_netdev(in_dev)) + if (batadv_is_wifi_hardif(in_hardif)) tt_local->common.flags |= BATADV_TT_CLIENT_WIFI; kref_init(&tt_local->common.refcount); tt_local->last_seen = jiffies; @@ -790,7 +794,7 @@ check_roaming: */ remote_flags = tt_local->common.flags & BATADV_TT_REMOTE_MASK; - if (batadv_is_wifi_netdev(in_dev)) + if (batadv_is_wifi_hardif(in_hardif)) tt_local->common.flags |= BATADV_TT_CLIENT_WIFI; else tt_local->common.flags &= ~BATADV_TT_CLIENT_WIFI; @@ -814,6 +818,8 @@ check_roaming: ret = true; out: + if (in_hardif) + batadv_hardif_put(in_hardif); if (in_dev) dev_put(in_dev); if (tt_local) diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 98ebac05c571..1bcce32d5d98 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -119,11 +119,23 @@ struct batadv_hard_iface_bat_v { }; /** + * enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration + * of a batadv_hard_iface + * @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device + * @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device + */ +enum batadv_hard_iface_wifi_flags { + BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0), + BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1), +}; + +/** * struct batadv_hard_iface - network device known to batman-adv * @list: list node for batadv_hardif_list * @if_num: identificator of the interface * @if_status: status of the interface for batman-adv * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) + * @wifi_flags: flags whether this is (directly or indirectly) a wifi interface * @net_dev: pointer to the net_device * @hardif_obj: kobject of the per interface sysfs "mesh" directory * @refcount: number of contexts the object is used @@ -142,6 +154,7 @@ struct batadv_hard_iface { s16 if_num; char if_status; u8 num_bcasts; + u32 wifi_flags; struct net_device *net_dev; struct kobject *hardif_obj; struct kref refcount; |