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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-11-02 23:56:40 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-11-02 23:56:40 -0400 |
commit | 31cbecb4ab538f433145bc5a46f3bea9b9627031 (patch) | |
tree | d6206d42dea7298f7ef05fd1f7bf474245f0d43a /net/batman-adv/hard-interface.c | |
parent | 2b72c9ccd22c4a3299e5a358dcd639fb253730f4 (diff) | |
parent | 278c023a99b0d6b471d0f4a79835c703482e29ac (diff) | |
download | linux-stable-31cbecb4ab538f433145bc5a46f3bea9b9627031.tar.gz linux-stable-31cbecb4ab538f433145bc5a46f3bea9b9627031.tar.bz2 linux-stable-31cbecb4ab538f433145bc5a46f3bea9b9627031.zip |
Merge branch 'osd-devel' into nfs-for-next
Diffstat (limited to 'net/batman-adv/hard-interface.c')
-rw-r--r-- | net/batman-adv/hard-interface.c | 88 |
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, }; |