diff options
Diffstat (limited to 'net/batman-adv/bridge_loop_avoidance.c')
| -rw-r--r-- | net/batman-adv/bridge_loop_avoidance.c | 113 |
1 files changed, 42 insertions, 71 deletions
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 314e37b272a7..52c0d637d581 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1,5 +1,4 @@ -/* - * Copyright (C) 2011-2012 B.A.T.M.A.N. contributors: +/* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich * @@ -16,7 +15,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA - * */ #include "main.h" @@ -123,8 +121,7 @@ static void claim_free_ref(struct claim *claim) call_rcu(&claim->rcu, claim_free_rcu); } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @data: search data (may be local/static data) * * looks for a claim in the hash, and returns it if found @@ -162,8 +159,7 @@ static struct claim *claim_hash_find(struct bat_priv *bat_priv, return claim_tmp; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @addr: the address of the originator * @vid: the VLAN ID * @@ -241,8 +237,7 @@ static void bla_del_backbone_claims(struct backbone_gw *backbone_gw) backbone_gw->crc = BLA_CRC_INIT; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @orig: the mac address to be announced within the claim * @vid: the VLAN ID * @claimtype: the type of the claim (CLAIM, UNCLAIM, ANNOUNCE, ...) @@ -347,8 +342,7 @@ out: hardif_free_ref(primary_if); } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @orig: the mac address of the originator * @vid: the VLAN ID * @@ -397,9 +391,9 @@ static struct backbone_gw *bla_get_backbone_gw(struct bat_priv *bat_priv, /* this is a gateway now, remove any tt entries */ orig_node = orig_hash_find(bat_priv, orig); if (orig_node) { - tt_global_del_orig(bat_priv, orig_node, - "became a backbone gateway"); - orig_node_free_ref(orig_node); + batadv_tt_global_del_orig(bat_priv, orig_node, + "became a backbone gateway"); + batadv_orig_node_free_ref(orig_node); } return entry; } @@ -422,8 +416,7 @@ static void bla_update_own_backbone_gw(struct bat_priv *bat_priv, backbone_gw_free_ref(backbone_gw); } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @vid: the vid where the request came on * * Repeat all of our own claims, and finally send an ANNOUNCE frame @@ -468,8 +461,7 @@ static void bla_answer_request(struct bat_priv *bat_priv, backbone_gw_free_ref(backbone_gw); } -/** - * @backbone_gw: the backbone gateway from whom we are out of sync +/* @backbone_gw: the backbone gateway from whom we are out of sync * * When the crc is wrong, ask the backbone gateway for a full table update. * After the request, it will repeat all of his own claims and finally @@ -495,8 +487,7 @@ static void bla_send_request(struct backbone_gw *backbone_gw) } } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @backbone_gw: our backbone gateway which should be announced * * This function sends an announcement. It is called from multiple @@ -516,8 +507,7 @@ static void bla_send_announce(struct bat_priv *bat_priv, } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @mac: the mac address of the claim * @vid: the VLAN ID of the frame * @backbone_gw: the backbone gateway which claims it @@ -731,8 +721,7 @@ static int handle_claim(struct bat_priv *bat_priv, return 1; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @hw_src: the Hardware source in the ARP Header * @hw_dst: the Hardware destination in the ARP Header * @ethhdr: pointer to the Ethernet header of the claim frame @@ -804,14 +793,13 @@ static int check_claim_group(struct bat_priv *bat_priv, bla_dst_own->group = bla_dst->group; } - orig_node_free_ref(orig_node); + batadv_orig_node_free_ref(orig_node); return 2; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * * Check if this is a claim frame, and process it accordingly. @@ -860,7 +848,6 @@ static int bla_process_claim(struct bat_priv *bat_priv, /* Check whether the ARP frame carries a valid * IP information */ - if (arphdr->ar_hrd != htons(ARPHRD_ETHER)) return 0; if (arphdr->ar_pro != htons(ETH_P_IP)) @@ -963,8 +950,7 @@ purge_now: } } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @primary_if: the selected primary interface, may be NULL if now is set * @now: whether the whole hash shall be wiped now * @@ -1011,17 +997,15 @@ purge_now: } } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @primary_if: the new selected primary_if * @oldif: the old primary interface, may be NULL * * Update the backbone gateways when the own orig address changes. - * */ -void bla_update_orig_address(struct bat_priv *bat_priv, - struct hard_iface *primary_if, - struct hard_iface *oldif) +void batadv_bla_update_orig_address(struct bat_priv *bat_priv, + struct hard_iface *primary_if, + struct hard_iface *oldif) { struct backbone_gw *backbone_gw; struct hlist_node *node; @@ -1070,7 +1054,7 @@ void bla_update_orig_address(struct bat_priv *bat_priv, static void bla_start_timer(struct bat_priv *bat_priv) { INIT_DELAYED_WORK(&bat_priv->bla_work, bla_periodic_work); - queue_delayed_work(bat_event_workqueue, &bat_priv->bla_work, + queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work, msecs_to_jiffies(BLA_PERIOD_LENGTH)); } @@ -1136,7 +1120,7 @@ static struct lock_class_key claim_hash_lock_class_key; static struct lock_class_key backbone_hash_lock_class_key; /* initialize all bla structures */ -int bla_init(struct bat_priv *bat_priv) +int batadv_bla_init(struct bat_priv *bat_priv) { int i; uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00}; @@ -1166,8 +1150,8 @@ int bla_init(struct bat_priv *bat_priv) if (bat_priv->claim_hash) return 0; - bat_priv->claim_hash = hash_new(128); - bat_priv->backbone_hash = hash_new(32); + bat_priv->claim_hash = batadv_hash_new(128); + bat_priv->backbone_hash = batadv_hash_new(32); if (!bat_priv->claim_hash || !bat_priv->backbone_hash) return -ENOMEM; @@ -1183,8 +1167,7 @@ int bla_init(struct bat_priv *bat_priv) return 0; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @bcast_packet: originator mac address * @hdr_size: maximum length of the frame * @@ -1196,12 +1179,10 @@ int bla_init(struct bat_priv *bat_priv) * with a good chance that it is the same packet. If it is furthermore * sent by another host, drop it. We allow equal packets from * the same host however as this might be intended. - * - **/ - -int bla_check_bcast_duplist(struct bat_priv *bat_priv, - struct bcast_packet *bcast_packet, - int hdr_size) + */ +int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, + struct bcast_packet *bcast_packet, + int hdr_size) { int i, length, curr; uint8_t *content; @@ -1250,17 +1231,14 @@ int bla_check_bcast_duplist(struct bat_priv *bat_priv, -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @orig: originator mac address * * check if the originator is a gateway for any VLAN ID. * * returns 1 if it is found, 0 otherwise - * */ - -int bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) +int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) { struct hashtable_t *hash = bat_priv->backbone_hash; struct hlist_head *head; @@ -1291,18 +1269,16 @@ int bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) } -/** - * @skb: the frame to be checked +/* @skb: the frame to be checked * @orig_node: the orig_node of the frame * @hdr_size: maximum length of the frame * * bla_is_backbone_gw inspects the skb for the VLAN ID and returns 1 * if the orig_node is also a gateway on the soft interface, otherwise it * returns 0. - * */ -int bla_is_backbone_gw(struct sk_buff *skb, - struct orig_node *orig_node, int hdr_size) +int batadv_bla_is_backbone_gw(struct sk_buff *skb, + struct orig_node *orig_node, int hdr_size) { struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; @@ -1328,7 +1304,6 @@ int bla_is_backbone_gw(struct sk_buff *skb, } /* see if this originator is a backbone gw for this VLAN */ - backbone_gw = backbone_hash_find(orig_node->bat_priv, orig_node->orig, vid); if (!backbone_gw) @@ -1339,7 +1314,7 @@ int bla_is_backbone_gw(struct sk_buff *skb, } /* free all bla structures (for softinterface free or module unload) */ -void bla_free(struct bat_priv *bat_priv) +void batadv_bla_free(struct bat_priv *bat_priv) { struct hard_iface *primary_if; @@ -1348,20 +1323,19 @@ void bla_free(struct bat_priv *bat_priv) if (bat_priv->claim_hash) { bla_purge_claims(bat_priv, primary_if, 1); - hash_destroy(bat_priv->claim_hash); + batadv_hash_destroy(bat_priv->claim_hash); bat_priv->claim_hash = NULL; } if (bat_priv->backbone_hash) { bla_purge_backbone_gw(bat_priv, 1); - hash_destroy(bat_priv->backbone_hash); + batadv_hash_destroy(bat_priv->backbone_hash); bat_priv->backbone_hash = NULL; } if (primary_if) hardif_free_ref(primary_if); } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame * @@ -1372,9 +1346,8 @@ void bla_free(struct bat_priv *bat_priv) * in these cases, the skb is further handled by this function and * returns 1, otherwise it returns 0 and the caller shall further * process the skb. - * */ -int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) { struct ethhdr *ethhdr; struct claim search_claim, *claim = NULL; @@ -1449,8 +1422,7 @@ out: return ret; } -/** - * @bat_priv: the bat priv with all the soft interface information +/* @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame * @@ -1461,9 +1433,8 @@ out: * in these cases, the skb is further handled by this function and * returns 1, otherwise it returns 0 and the caller shall further * process the skb. - * */ -int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) { struct ethhdr *ethhdr; struct claim search_claim, *claim = NULL; @@ -1537,7 +1508,7 @@ out: return ret; } -int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) +int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; struct bat_priv *bat_priv = netdev_priv(net_dev); |