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Diffstat (limited to 'net/batman-adv/hard-interface.c')
-rw-r--r--net/batman-adv/hard-interface.c88
1 files changed, 47 insertions, 41 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index db7aacf1e095..7704df468e0b 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -28,6 +28,7 @@
#include "bat_sysfs.h"
#include "originator.h"
#include "hash.h"
+#include "bat_ogm.h"
#include <linux/if_arp.h>
@@ -131,7 +132,6 @@ static void primary_if_select(struct bat_priv *bat_priv,
struct hard_iface *new_hard_iface)
{
struct hard_iface *curr_hard_iface;
- struct batman_packet *batman_packet;
ASSERT_RTNL();
@@ -147,10 +147,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
if (!new_hard_iface)
return;
- batman_packet = (struct batman_packet *)(new_hard_iface->packet_buff);
- batman_packet->flags = PRIMARIES_FIRST_HOP;
- batman_packet->ttl = TTL;
-
+ bat_ogm_init_primary(new_hard_iface);
primary_if_update_addr(bat_priv);
}
@@ -162,14 +159,6 @@ static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
return false;
}
-static void update_mac_addresses(struct hard_iface *hard_iface)
-{
- memcpy(((struct batman_packet *)(hard_iface->packet_buff))->orig,
- hard_iface->net_dev->dev_addr, ETH_ALEN);
- memcpy(((struct batman_packet *)(hard_iface->packet_buff))->prev_sender,
- hard_iface->net_dev->dev_addr, ETH_ALEN);
-}
-
static void check_known_mac_addr(const struct net_device *net_dev)
{
const struct hard_iface *hard_iface;
@@ -244,12 +233,12 @@ static void hardif_activate_interface(struct hard_iface *hard_iface)
bat_priv = netdev_priv(hard_iface->soft_iface);
- update_mac_addresses(hard_iface);
+ bat_ogm_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
/**
* 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)
@@ -283,7 +272,6 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
const char *iface_name)
{
struct bat_priv *bat_priv;
- struct batman_packet *batman_packet;
struct net_device *soft_iface;
int ret;
@@ -318,8 +306,8 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->soft_iface = soft_iface;
bat_priv = netdev_priv(hard_iface->soft_iface);
- hard_iface->packet_len = BAT_PACKET_LEN;
- hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
+
+ bat_ogm_init(hard_iface);
if (!hard_iface->packet_buff) {
bat_err(hard_iface->soft_iface, "Can't add interface packet "
@@ -328,15 +316,6 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
goto err;
}
- batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
- batman_packet->packet_type = BAT_PACKET;
- batman_packet->version = COMPAT_VERSION;
- batman_packet->flags = NO_FLAGS;
- batman_packet->ttl = 2;
- batman_packet->tq = TQ_MAX_VALUE;
- batman_packet->tt_num_changes = 0;
- batman_packet->ttvn = 0;
-
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
hard_iface->if_status = IF_INACTIVE;
@@ -381,7 +360,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->net_dev->name);
/* begin scheduling originator messages on that interface */
- schedule_own_packet(hard_iface);
+ schedule_bat_ogm(hard_iface);
out:
return 0;
@@ -455,11 +434,8 @@ static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
dev_hold(net_dev);
hard_iface = kmalloc(sizeof(*hard_iface), GFP_ATOMIC);
- if (!hard_iface) {
- pr_err("Can't add interface (%s): out of memory\n",
- net_dev->name);
+ if (!hard_iface)
goto release_dev;
- }
ret = sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
if (ret)
@@ -551,7 +527,7 @@ static int hard_if_event(struct notifier_block *this,
goto hardif_put;
check_known_mac_addr(hard_iface->net_dev);
- update_mac_addresses(hard_iface);
+ bat_ogm_update_mac(hard_iface);
bat_priv = netdev_priv(hard_iface->soft_iface);
primary_if = primary_if_get_selected(bat_priv);
@@ -573,14 +549,14 @@ 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,
struct net_device *orig_dev)
{
struct bat_priv *bat_priv;
- struct batman_packet *batman_packet;
+ struct batman_ogm_packet *batman_ogm_packet;
struct hard_iface *hard_iface;
int ret;
@@ -612,22 +588,22 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
if (hard_iface->if_status != IF_ACTIVE)
goto err_free;
- batman_packet = (struct batman_packet *)skb->data;
+ batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
- if (batman_packet->version != COMPAT_VERSION) {
+ if (batman_ogm_packet->version != COMPAT_VERSION) {
bat_dbg(DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
- batman_packet->version);
+ batman_ogm_packet->version);
goto err_free;
}
/* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb. */
- switch (batman_packet->packet_type) {
+ switch (batman_ogm_packet->packet_type) {
/* batman originator packet */
- case BAT_PACKET:
- ret = recv_bat_packet(skb, hard_iface);
+ case BAT_OGM:
+ ret = recv_bat_ogm_packet(skb, hard_iface);
break;
/* batman icmp packet */
@@ -681,6 +657,36 @@ 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,
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 23:29:37 +0300