diff options
Diffstat (limited to 'net/batman-adv/hard-interface.c')
-rw-r--r-- | net/batman-adv/hard-interface.c | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 7704df4..3778977 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich * @@ -28,7 +28,6 @@ #include "bat_sysfs.h" #include "originator.h" #include "hash.h" -#include "bat_ogm.h" #include <linux/if_arp.h> @@ -147,7 +146,7 @@ static void primary_if_select(struct bat_priv *bat_priv, if (!new_hard_iface) return; - bat_ogm_init_primary(new_hard_iface); + bat_priv->bat_algo_ops->bat_ogm_init_primary(new_hard_iface); primary_if_update_addr(bat_priv); } @@ -176,11 +175,9 @@ static void check_known_mac_addr(const struct net_device *net_dev) net_dev->dev_addr)) continue; - pr_warning("The newly added mac address (%pM) already exists " - "on: %s\n", net_dev->dev_addr, - hard_iface->net_dev->name); - pr_warning("It is strongly recommended to keep mac addresses " - "unique to avoid problems!\n"); + pr_warning("The newly added mac address (%pM) already exists on: %s\n", + net_dev->dev_addr, hard_iface->net_dev->name); + pr_warning("It is strongly recommended to keep mac addresses unique to avoid problems!\n"); } rcu_read_unlock(); } @@ -233,7 +230,7 @@ static void hardif_activate_interface(struct hard_iface *hard_iface) bat_priv = netdev_priv(hard_iface->soft_iface); - bat_ogm_update_mac(hard_iface); + bat_priv->bat_algo_ops->bat_ogm_update_mac(hard_iface); hard_iface->if_status = IF_TO_BE_ACTIVATED; /** @@ -281,6 +278,11 @@ int hardif_enable_interface(struct hard_iface *hard_iface, if (!atomic_inc_not_zero(&hard_iface->refcount)) goto out; + /* hard-interface is part of a bridge */ + if (hard_iface->net_dev->priv_flags & IFF_BRIDGE_PORT) + pr_err("You are about to enable batman-adv on '%s' which already is part of a bridge. Unless you know exactly what you are doing this is probably wrong and won't work the way you think it would.\n", + hard_iface->net_dev->name); + soft_iface = dev_get_by_name(&init_net, iface_name); if (!soft_iface) { @@ -296,8 +298,7 @@ int hardif_enable_interface(struct hard_iface *hard_iface, } if (!softif_is_valid(soft_iface)) { - pr_err("Can't create batman mesh interface %s: " - "already exists as regular interface\n", + pr_err("Can't create batman mesh interface %s: already exists as regular interface\n", soft_iface->name); dev_put(soft_iface); ret = -EINVAL; @@ -307,11 +308,12 @@ int hardif_enable_interface(struct hard_iface *hard_iface, hard_iface->soft_iface = soft_iface; bat_priv = netdev_priv(hard_iface->soft_iface); - bat_ogm_init(hard_iface); + bat_priv->bat_algo_ops->bat_ogm_init(hard_iface); if (!hard_iface->packet_buff) { - bat_err(hard_iface->soft_iface, "Can't add interface packet " - "(%s): out of memory\n", hard_iface->net_dev->name); + bat_err(hard_iface->soft_iface, + "Can't add interface packet (%s): out of memory\n", + hard_iface->net_dev->name); ret = -ENOMEM; goto err; } @@ -334,29 +336,22 @@ int hardif_enable_interface(struct hard_iface *hard_iface, if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < ETH_DATA_LEN + BAT_HEADER_LEN) bat_info(hard_iface->soft_iface, - "The MTU of interface %s is too small (%i) to handle " - "the transport of batman-adv packets. Packets going " - "over this interface will be fragmented on layer2 " - "which could impact the performance. Setting the MTU " - "to %zi would solve the problem.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + BAT_HEADER_LEN); + "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n", + hard_iface->net_dev->name, hard_iface->net_dev->mtu, + ETH_DATA_LEN + BAT_HEADER_LEN); if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < ETH_DATA_LEN + BAT_HEADER_LEN) bat_info(hard_iface->soft_iface, - "The MTU of interface %s is too small (%i) to handle " - "the transport of batman-adv packets. If you experience" - " problems getting traffic through try increasing the " - "MTU to %zi.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + BAT_HEADER_LEN); + "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n", + hard_iface->net_dev->name, hard_iface->net_dev->mtu, + ETH_DATA_LEN + BAT_HEADER_LEN); if (hardif_is_iface_up(hard_iface)) hardif_activate_interface(hard_iface); else - bat_err(hard_iface->soft_iface, "Not using interface %s " - "(retrying later): interface not active\n", + bat_err(hard_iface->soft_iface, + "Not using interface %s (retrying later): interface not active\n", hard_iface->net_dev->name); /* begin scheduling originator messages on that interface */ @@ -527,9 +522,10 @@ static int hard_if_event(struct notifier_block *this, goto hardif_put; check_known_mac_addr(hard_iface->net_dev); - bat_ogm_update_mac(hard_iface); bat_priv = netdev_priv(hard_iface->soft_iface); + bat_priv->bat_algo_ops->bat_ogm_update_mac(hard_iface); + primary_if = primary_if_get_selected(bat_priv); if (!primary_if) goto hardif_put; @@ -572,8 +568,8 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, goto err_free; /* expect a valid ethernet header here. */ - if (unlikely(skb->mac_len != sizeof(struct ethhdr) - || !skb_mac_header(skb))) + if (unlikely(skb->mac_len != sizeof(struct ethhdr) || + !skb_mac_header(skb))) goto err_free; if (!hard_iface->soft_iface) @@ -590,17 +586,17 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, batman_ogm_packet = (struct batman_ogm_packet *)skb->data; - if (batman_ogm_packet->version != COMPAT_VERSION) { + if (batman_ogm_packet->header.version != COMPAT_VERSION) { bat_dbg(DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", - batman_ogm_packet->version); + batman_ogm_packet->header.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_ogm_packet->packet_type) { + switch (batman_ogm_packet->header.packet_type) { /* batman originator packet */ case BAT_OGM: ret = recv_bat_ogm_packet(skb, hard_iface); |