diff options
Diffstat (limited to 'net/batman-adv')
39 files changed, 679 insertions, 560 deletions
diff --git a/net/batman-adv/Makefile b/net/batman-adv/Makefile index ce6861166499..4e392ebedb64 100644 --- a/net/batman-adv/Makefile +++ b/net/batman-adv/Makefile @@ -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 # diff --git a/net/batman-adv/bat_ogm.h b/net/batman-adv/bat_algo.h index 69329c107e28..9852a688ba43 100644 --- a/net/batman-adv/bat_ogm.h +++ b/net/batman-adv/bat_algo.h @@ -1,7 +1,7 @@ /* - * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2011-2012 B.A.T.M.A.N. contributors: * - * Marek Lindner, Simon Wunderlich + * Marek Lindner * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -19,17 +19,9 @@ * */ -#ifndef _NET_BATMAN_ADV_OGM_H_ -#define _NET_BATMAN_ADV_OGM_H_ +#ifndef _NET_BATMAN_ADV_BAT_ALGO_H_ +#define _NET_BATMAN_ADV_BAT_ALGO_H_ -#include "main.h" +int bat_iv_init(void); -void bat_ogm_init(struct hard_iface *hard_iface); -void bat_ogm_init_primary(struct hard_iface *hard_iface); -void bat_ogm_update_mac(struct hard_iface *hard_iface); -void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes); -void bat_ogm_emit(struct forw_packet *forw_packet); -void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff, - int packet_len, struct hard_iface *if_incoming); - -#endif /* _NET_BATMAN_ADV_OGM_H_ */ +#endif /* _NET_BATMAN_ADV_BAT_ALGO_H_ */ diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c index d0af9bf69e46..c3b0548b175d 100644 --- a/net/batman-adv/bat_debugfs.c +++ b/net/batman-adv/bat_debugfs.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * @@ -221,6 +221,11 @@ static void debug_log_cleanup(struct bat_priv *bat_priv) } #endif +static int bat_algorithms_open(struct inode *inode, struct file *file) +{ + return single_open(file, bat_algo_seq_print_text, NULL); +} + static int originators_open(struct inode *inode, struct file *file) { struct net_device *net_dev = (struct net_device *)inode->i_private; @@ -274,6 +279,7 @@ struct bat_debuginfo bat_debuginfo_##_name = { \ } \ }; +static BAT_DEBUGINFO(routing_algos, S_IRUGO, bat_algorithms_open); static BAT_DEBUGINFO(originators, S_IRUGO, originators_open); static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open); static BAT_DEBUGINFO(softif_neigh, S_IRUGO, softif_neigh_open); @@ -293,9 +299,25 @@ static struct bat_debuginfo *mesh_debuginfos[] = { void debugfs_init(void) { + struct bat_debuginfo *bat_debug; + struct dentry *file; + bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL); if (bat_debugfs == ERR_PTR(-ENODEV)) bat_debugfs = NULL; + + if (!bat_debugfs) + goto out; + + bat_debug = &bat_debuginfo_routing_algos; + file = debugfs_create_file(bat_debug->attr.name, + S_IFREG | bat_debug->attr.mode, + bat_debugfs, NULL, &bat_debug->fops); + if (!file) + pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name); + +out: + return; } void debugfs_destroy(void) diff --git a/net/batman-adv/bat_debugfs.h b/net/batman-adv/bat_debugfs.h index bc9cda3f01e1..d605c6746428 100644 --- a/net/batman-adv/bat_debugfs.h +++ b/net/batman-adv/bat_debugfs.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 3512e251545b..a6d5d63fb6ad 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.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 * @@ -20,7 +20,6 @@ */ #include "main.h" -#include "bat_ogm.h" #include "translation-table.h" #include "ring_buffer.h" #include "originator.h" @@ -29,8 +28,9 @@ #include "gateway_client.h" #include "hard-interface.h" #include "send.h" +#include "bat_algo.h" -void bat_ogm_init(struct hard_iface *hard_iface) +static void bat_iv_ogm_init(struct hard_iface *hard_iface) { struct batman_ogm_packet *batman_ogm_packet; @@ -38,25 +38,25 @@ void bat_ogm_init(struct hard_iface *hard_iface) hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC); batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; - batman_ogm_packet->packet_type = BAT_OGM; - batman_ogm_packet->version = COMPAT_VERSION; + batman_ogm_packet->header.packet_type = BAT_OGM; + batman_ogm_packet->header.version = COMPAT_VERSION; + batman_ogm_packet->header.ttl = 2; batman_ogm_packet->flags = NO_FLAGS; - batman_ogm_packet->ttl = 2; batman_ogm_packet->tq = TQ_MAX_VALUE; batman_ogm_packet->tt_num_changes = 0; batman_ogm_packet->ttvn = 0; } -void bat_ogm_init_primary(struct hard_iface *hard_iface) +static void bat_iv_ogm_init_primary(struct hard_iface *hard_iface) { struct batman_ogm_packet *batman_ogm_packet; batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; batman_ogm_packet->flags = PRIMARIES_FIRST_HOP; - batman_ogm_packet->ttl = TTL; + batman_ogm_packet->header.ttl = TTL; } -void bat_ogm_update_mac(struct hard_iface *hard_iface) +static void bat_iv_ogm_update_mac(struct hard_iface *hard_iface) { struct batman_ogm_packet *batman_ogm_packet; @@ -68,7 +68,7 @@ void bat_ogm_update_mac(struct hard_iface *hard_iface) } /* when do we schedule our own ogm to be sent */ -static unsigned long bat_ogm_emit_send_time(const struct bat_priv *bat_priv) +static unsigned long bat_iv_ogm_emit_send_time(const struct bat_priv *bat_priv) { return jiffies + msecs_to_jiffies( atomic_read(&bat_priv->orig_interval) - @@ -76,7 +76,7 @@ static unsigned long bat_ogm_emit_send_time(const struct bat_priv *bat_priv) } /* when do we schedule a ogm packet to be sent */ -static unsigned long bat_ogm_fwd_send_time(void) +static unsigned long bat_iv_ogm_fwd_send_time(void) { return jiffies + msecs_to_jiffies(random32() % (JITTER/2)); } @@ -89,8 +89,8 @@ static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv) } /* is there another aggregated packet here? */ -static int bat_ogm_aggr_packet(int buff_pos, int packet_len, - int tt_num_changes) +static int bat_iv_ogm_aggr_packet(int buff_pos, int packet_len, + int tt_num_changes) { int next_buff_pos = buff_pos + BATMAN_OGM_LEN + tt_len(tt_num_changes); @@ -99,8 +99,8 @@ static int bat_ogm_aggr_packet(int buff_pos, int packet_len, } /* send a batman ogm to a given interface */ -static void bat_ogm_send_to_if(struct forw_packet *forw_packet, - struct hard_iface *hard_iface) +static void bat_iv_ogm_send_to_if(struct forw_packet *forw_packet, + struct hard_iface *hard_iface) { struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); char *fwd_str; @@ -117,8 +117,8 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet, batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data; /* adjust all flags and log packets */ - while (bat_ogm_aggr_packet(buff_pos, forw_packet->packet_len, - batman_ogm_packet->tt_num_changes)) { + while (bat_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len, + batman_ogm_packet->tt_num_changes)) { /* we might have aggregated direct link packets with an * ordinary base packet */ @@ -132,12 +132,11 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet, "Sending own" : "Forwarding")); bat_dbg(DBG_BATMAN, bat_priv, - "%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d," - " IDF %s, ttvn %d) on interface %s [%pM]\n", + "%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n", fwd_str, (packet_num > 0 ? "aggregated " : ""), batman_ogm_packet->orig, ntohl(batman_ogm_packet->seqno), - batman_ogm_packet->tq, batman_ogm_packet->ttl, + batman_ogm_packet->tq, batman_ogm_packet->header.ttl, (batman_ogm_packet->flags & DIRECTLINK ? "on" : "off"), batman_ogm_packet->ttvn, hard_iface->net_dev->name, @@ -157,7 +156,7 @@ static void bat_ogm_send_to_if(struct forw_packet *forw_packet, } /* send a batman ogm packet */ -void bat_ogm_emit(struct forw_packet *forw_packet) +static void bat_iv_ogm_emit(struct forw_packet *forw_packet) { struct hard_iface *hard_iface; struct net_device *soft_iface; @@ -171,8 +170,7 @@ void bat_ogm_emit(struct forw_packet *forw_packet) directlink = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0); if (!forw_packet->if_incoming) { - pr_err("Error - can't forward packet: incoming iface not " - "specified\n"); + pr_err("Error - can't forward packet: incoming iface not specified\n"); goto out; } @@ -188,17 +186,16 @@ void bat_ogm_emit(struct forw_packet *forw_packet) /* multihomed peer assumed */ /* non-primary OGMs are only broadcasted on their interface */ - if ((directlink && (batman_ogm_packet->ttl == 1)) || + if ((directlink && (batman_ogm_packet->header.ttl == 1)) || (forw_packet->own && (forw_packet->if_incoming != primary_if))) { /* FIXME: what about aggregated packets ? */ bat_dbg(DBG_BATMAN, bat_priv, - "%s packet (originator %pM, seqno %d, TTL %d) " - "on interface %s [%pM]\n", + "%s packet (originator %pM, seqno %d, TTL %d) on interface %s [%pM]\n", (forw_packet->own ? "Sending own" : "Forwarding"), batman_ogm_packet->orig, ntohl(batman_ogm_packet->seqno), - batman_ogm_packet->ttl, + batman_ogm_packet->header.ttl, forw_packet->if_incoming->net_dev->name, forw_packet->if_incoming->net_dev->dev_addr); @@ -216,7 +213,7 @@ void bat_ogm_emit(struct forw_packet *forw_packet) if (hard_iface->soft_iface != soft_iface) continue; - bat_ogm_send_to_if(forw_packet, hard_iface); + bat_iv_ogm_send_to_if(forw_packet, hard_iface); } rcu_read_unlock(); @@ -226,13 +223,13 @@ out: } /* return true if new_packet can be aggregated with forw_packet */ -static bool bat_ogm_can_aggregate(const struct batman_ogm_packet +static bool bat_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_batman_ogm_packet, - struct bat_priv *bat_priv, - int packet_len, unsigned long send_time, - bool directlink, - const struct hard_iface *if_incoming, - const struct forw_packet *forw_packet) + struct bat_priv *bat_priv, + int packet_len, unsigned long send_time, + bool directlink, + const struct hard_iface *if_incoming, + const struct forw_packet *forw_packet) { struct batman_ogm_packet *batman_ogm_packet; int aggregated_bytes = forw_packet->packet_len + packet_len; @@ -272,7 +269,7 @@ static bool bat_ogm_can_aggregate(const struct batman_ogm_packet * are flooded through the net */ if ((!directlink) && (!(batman_ogm_packet->flags & DIRECTLINK)) && - (batman_ogm_packet->ttl != 1) && + (batman_ogm_packet->header.ttl != 1) && /* own packets originating non-primary * interfaces leave only that interface */ @@ -285,7 +282,7 @@ static bool bat_ogm_can_aggregate(const struct batman_ogm_packet /* if the incoming packet is sent via this one * interface only - we still can aggregate */ if ((directlink) && - (new_batman_ogm_packet->ttl == 1) && + (new_batman_ogm_packet->header.ttl == 1) && (forw_packet->if_incoming == if_incoming) && /* packets from direct neighbors or @@ -306,11 +303,11 @@ out: } /* create a new aggregated packet and add this packet to it */ -static void bat_ogm_aggregate_new(const unsigned char *packet_buff, - int packet_len, unsigned long send_time, - bool direct_link, - struct hard_iface *if_incoming, - int own_packet) +static void bat_iv_ogm_aggregate_new(const unsigned char *packet_buff, + int packet_len, unsigned long send_time, + bool direct_link, + struct hard_iface *if_incoming, + int own_packet) { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct forw_packet *forw_packet_aggr; @@ -385,9 +382,9 @@ out: } /* aggregate a new packet into the existing ogm packet */ -static void bat_ogm_aggregate(struct forw_packet *forw_packet_aggr, - const unsigned char *packet_buff, - int packet_len, bool direct_link) +static void bat_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr, + const unsigned char *packet_buff, + int packet_len, bool direct_link) { unsigned char *skb_buff; @@ -402,10 +399,10 @@ static void bat_ogm_aggregate(struct forw_packet *forw_packet_aggr, (1 << forw_packet_aggr->num_packets); } -static void bat_ogm_queue_add(struct bat_priv *bat_priv, - unsigned char *packet_buff, - int packet_len, struct hard_iface *if_incoming, - int own_packet, unsigned long send_time) +static void bat_iv_ogm_queue_add(struct bat_priv *bat_priv, + unsigned char *packet_buff, + int packet_len, struct hard_iface *if_incoming, + int own_packet, unsigned long send_time) { /** * _aggr -> pointer to the packet we want to aggregate with @@ -425,11 +422,11 @@ static void bat_ogm_queue_add(struct bat_priv *bat_priv, if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) { hlist_for_each_entry(forw_packet_pos, tmp_node, &bat_priv->forw_bat_list, list) { - if (bat_ogm_can_aggregate(batman_ogm_packet, - bat_priv, packet_len, - send_time, direct_link, - if_incoming, - forw_packet_pos)) { + if (bat_iv_ogm_can_aggregate(batman_ogm_packet, + bat_priv, packet_len, + send_time, direct_link, + if_incoming, + forw_packet_pos)) { forw_packet_aggr = forw_packet_pos; break; } @@ -451,27 +448,27 @@ static void bat_ogm_queue_add(struct bat_priv *bat_priv, (atomic_read(&bat_priv->aggregated_ogms))) send_time += msecs_to_jiffies(MAX_AGGREGATION_MS); - bat_ogm_aggregate_new(packet_buff, packet_len, - send_time, direct_link, - if_incoming, own_packet); + bat_iv_ogm_aggregate_new(packet_buff, packet_len, + send_time, direct_link, + if_incoming, own_packet); } else { - bat_ogm_aggregate(forw_packet_aggr, packet_buff, packet_len, - direct_link); + bat_iv_ogm_aggregate(forw_packet_aggr, packet_buff, + packet_len, direct_link); spin_unlock_bh(&bat_priv->forw_bat_list_lock); } } -static void bat_ogm_forward(struct orig_node *orig_node, - const struct ethhdr *ethhdr, - struct batman_ogm_packet *batman_ogm_packet, - int directlink, struct hard_iface *if_incoming) +static void bat_iv_ogm_forward(struct orig_node *orig_node, + const struct ethhdr *ethhdr, + struct batman_ogm_packet *batman_ogm_packet, + int directlink, struct hard_iface *if_incoming) { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct neigh_node *router; uint8_t in_tq, in_ttl, tq_avg = 0; uint8_t tt_num_changes; - if (batman_ogm_packet->ttl <= 1) { + if (batman_ogm_packet->header.ttl <= 1) { bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n"); return; } @@ -479,10 +476,10 @@ static void bat_ogm_forward(struct orig_node *orig_node, router = orig_node_get_router(orig_node); in_tq = batman_ogm_packet->tq; - in_ttl = batman_ogm_packet->ttl; + in_ttl = batman_ogm_packet->header.ttl; tt_num_changes = batman_ogm_packet->tt_num_changes; - batman_ogm_packet->ttl--; + batman_ogm_packet->header.ttl--; memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN); /* rebroadcast tq of our best ranking neighbor to ensure the rebroadcast @@ -494,7 +491,8 @@ static void bat_ogm_forward(struct orig_node *orig_node, batman_ogm_packet->tq = router->tq_avg; if (router->last_ttl) - batman_ogm_packet->ttl = router->last_ttl - 1; + batman_ogm_packet->header.ttl = + router->last_ttl - 1; } tq_avg = router->tq_avg; @@ -507,10 +505,9 @@ static void bat_ogm_forward(struct orig_node *orig_node, batman_ogm_packet->tq = hop_penalty(batman_ogm_packet->tq, bat_priv); bat_dbg(DBG_BATMAN, bat_priv, - "Forwarding packet: tq_orig: %i, tq_avg: %i, " - "tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n", + "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n", in_tq, tq_avg, batman_ogm_packet->tq, in_ttl - 1, - batman_ogm_packet->ttl); + batman_ogm_packet->header.ttl); batman_ogm_packet->seqno = htonl(batman_ogm_packet->seqno); batman_ogm_packet->tt_crc = htons(batman_ogm_packet->tt_crc); @@ -522,12 +519,13 @@ static void bat_ogm_forward(struct orig_node *orig_node, else batman_ogm_packet->flags &= ~DIRECTLINK; - bat_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet, - BATMAN_OGM_LEN + tt_len(tt_num_changes), - if_incoming, 0, bat_ogm_fwd_send_time()); + bat_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet, + BATMAN_OGM_LEN + tt_len(tt_num_changes), + if_incoming, 0, bat_iv_ogm_fwd_send_time()); } -void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes) +static void bat_iv_ogm_schedule(struct hard_iface *hard_iface, + int tt_num_changes) { struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batman_ogm_packet *batman_ogm_packet; @@ -564,21 +562,22 @@ void bat_ogm_schedule(struct hard_iface *hard_iface, int tt_num_changes) atomic_inc(&hard_iface->seqno); slide_own_bcast_window(hard_iface); - bat_ogm_queue_add(bat_priv, hard_iface->packet_buff, - hard_iface->packet_len, hard_iface, 1, - bat_ogm_emit_send_time(bat_priv)); + bat_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff, + hard_iface->packet_len, hard_iface, 1, + bat_iv_ogm_emit_send_time(bat_priv)); if (primary_if) hardif_free_ref(primary_if); } -static void bat_ogm_orig_update(struct bat_priv *bat_priv, - struct orig_node *orig_node, - const struct ethhdr *ethhdr, - const struct batman_ogm_packet +static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv, + struct orig_node *orig_node, + const struct ethhdr *ethhdr, + const struct batman_ogm_packet *batman_ogm_packet, - struct hard_iface *if_incoming, - const unsigned char *tt_buff, int is_duplicate) + struct hard_iface *if_incoming, + const unsigned char *tt_buff, + int is_duplicate) { struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL; struct neigh_node *router = NULL; @@ -586,8 +585,8 @@ static void bat_ogm_orig_update(struct bat_priv *bat_priv, struct hlist_node *node; uint8_t bcast_own_sum_orig, bcast_own_sum_neigh; - bat_dbg(DBG_BATMAN, bat_priv, "update_originator(): " - "Searching and updating originator entry of received packet\n"); + bat_dbg(DBG_BATMAN, bat_priv, + "update_originator(): Searching and updating originator entry of received packet\n"); rcu_read_lock(); hlist_for_each_entry_rcu(tmp_neigh_node, node, @@ -642,8 +641,8 @@ static void bat_ogm_orig_update(struct bat_priv *bat_priv, spin_unlock_bh(&neigh_node->tq_lock); if (!is_duplicate) { - orig_node->last_ttl = batman_ogm_packet->ttl; - neigh_node->last_ttl = batman_ogm_packet->ttl; + orig_node->last_ttl = batman_ogm_packet->header.ttl; + neigh_node->last_ttl = batman_ogm_packet->header.ttl; } bonding_candidate_add(orig_node, neigh_node); @@ -683,7 +682,7 @@ update_tt: /* I have to check for transtable changes only if the OGM has been * sent through a primary interface */ if (((batman_ogm_packet->orig != ethhdr->h_source) && - (batman_ogm_packet->ttl > 2)) || + (batman_ogm_packet->header.ttl > 2)) || (batman_ogm_packet->flags & PRIMARIES_FIRST_HOP)) tt_update_orig(bat_priv, orig_node, tt_buff, batman_ogm_packet->tt_num_changes, @@ -713,10 +712,10 @@ out: neigh_node_free_ref(router); } -static int bat_ogm_calc_tq(struct orig_node *orig_node, - struct orig_node *orig_neigh_node, - struct batman_ogm_packet *batman_ogm_packet, - struct hard_iface *if_incoming) +static int bat_iv_ogm_calc_tq(struct orig_node *orig_node, + struct orig_node *orig_neigh_node, + struct batman_ogm_packet *batman_ogm_packet, + struct hard_iface *if_incoming) { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct neigh_node *neigh_node = NULL, *tmp_neigh_node; @@ -780,8 +779,7 @@ static int bat_ogm_calc_tq(struct orig_node *orig_node, * information */ tq_own = (TQ_MAX_VALUE * total_count) / neigh_rq_count; - /* - * 1 - ((1-x) ** 3), normalized to TQ_MAX_VALUE this does + /* 1 - ((1-x) ** 3), normalized to TQ_MAX_VALUE this does * affect the nearly-symmetric links only a little, but * punishes asymmetric links more. This will give a value * between 0 and TQ_MAX_VALUE @@ -799,10 +797,7 @@ static int bat_ogm_calc_tq(struct orig_node *orig_node, (TQ_MAX_VALUE * TQ_MAX_VALUE)); bat_dbg(DBG_BATMAN, bat_priv, - "bidirectional: " - "orig = %-15pM neigh = %-15pM => own_bcast = %2i, " - "real recv = %2i, local tq: %3i, asym_penalty: %3i, " - "total tq: %3i\n", + "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n", orig_node->orig, orig_neigh_node->orig, total_count, neigh_rq_count, tq_own, tq_asym_penalty, batman_ogm_packet->tq); @@ -825,10 +820,10 @@ out: * -1 the packet is old and has been received while the seqno window * was protected. Caller should drop it. */ -static int bat_ogm_update_seqnos(const struct ethhdr *ethhdr, - const struct batman_ogm_packet +static int bat_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, + const struct batman_ogm_packet *batman_ogm_packet, - const struct hard_iface *if_incoming) + const struct hard_iface *if_incoming) { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct orig_node *orig_node; @@ -890,10 +885,10 @@ out: return ret; } -static void bat_ogm_process(const struct ethhdr *ethhdr, - struct batman_ogm_packet *batman_ogm_packet, - const unsigned char *tt_buff, - struct hard_iface *if_incoming) +static void bat_iv_ogm_process(const struct ethhdr *ethhdr, + struct batman_ogm_packet *batman_ogm_packet, + const unsigned char *tt_buff, + struct hard_iface *if_incoming) { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct hard_iface *hard_iface; @@ -918,7 +913,7 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, * packet in an aggregation. Here we expect that the padding * is always zero (or not 0x01) */ - if (batman_ogm_packet->packet_type != BAT_OGM) + if (batman_ogm_packet->header.packet_type != BAT_OGM) return; /* could be changed by schedule_own_packet() */ @@ -930,16 +925,14 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, batman_ogm_packet->orig) ? 1 : 0); bat_dbg(DBG_BATMAN, bat_priv, - "Received BATMAN packet via NB: %pM, IF: %s [%pM] " - "(from OG: %pM, via prev OG: %pM, seqno %d, ttvn %u, " - "crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n", + "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %d, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n", ethhdr->h_source, if_incoming->net_dev->name, if_incoming->net_dev->dev_addr, batman_ogm_packet->orig, batman_ogm_packet->prev_sender, batman_ogm_packet->seqno, batman_ogm_packet->ttvn, batman_ogm_packet->tt_crc, batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq, - batman_ogm_packet->ttl, batman_ogm_packet->version, - has_directlink_flag); + batman_ogm_packet->header.ttl, + batman_ogm_packet->header.version, has_directlink_flag); rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &hardif_list, list) { @@ -966,25 +959,24 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, } rcu_read_unlock(); - 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); return; } if (is_my_addr) { bat_dbg(DBG_BATMAN, bat_priv, - "Drop packet: received my own broadcast (sender: %pM" - ")\n", + "Drop packet: received my own broadcast (sender: %pM)\n", ethhdr->h_source); return; } if (is_broadcast) { - bat_dbg(DBG_BATMAN, bat_priv, "Drop packet: " - "ignoring all packets with broadcast source addr (sender: %pM" - ")\n", ethhdr->h_source); + bat_dbg(DBG_BATMAN, bat_priv, + "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n", + ethhdr->h_source); return; } @@ -1014,16 +1006,16 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock); } - bat_dbg(DBG_BATMAN, bat_priv, "Drop packet: " - "originator packet from myself (via neighbor)\n"); + bat_dbg(DBG_BATMAN, bat_priv, + "Drop packet: originator packet from myself (via neighbor)\n"); orig_node_free_ref(orig_neigh_node); return; } if (is_my_oldorig) { bat_dbg(DBG_BATMAN, bat_priv, - "Drop packet: ignoring all rebroadcast echos (sender: " - "%pM)\n", ethhdr->h_source); + "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n", + ethhdr->h_source); return; } @@ -1031,13 +1023,13 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, if (!orig_node) return; - is_duplicate = bat_ogm_update_seqnos(ethhdr, batman_ogm_packet, - if_incoming); + is_duplicate = bat_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet, + if_incoming); if (is_duplicate == -1) { bat_dbg(DBG_BATMAN, bat_priv, - "Drop packet: packet within seqno protection time " - "(sender: %pM)\n", ethhdr->h_source); + "Drop packet: packet within seqno protection time (sender: %pM)\n", + ethhdr->h_source); goto out; } @@ -1058,8 +1050,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, batman_ogm_packet->prev_sender)) && (compare_eth(router->addr, router_router->addr))) { bat_dbg(DBG_BATMAN, bat_priv, - "Drop packet: ignoring all rebroadcast packets that " - "may make me loop (sender: %pM)\n", ethhdr->h_source); + "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n", + ethhdr->h_source); goto out; } @@ -1081,8 +1073,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, goto out_neigh; } - is_bidirectional = bat_ogm_calc_tq(orig_node, orig_neigh_node, - batman_ogm_packet, if_incoming); + is_bidirectional = bat_iv_ogm_calc_tq(orig_node, orig_neigh_node, + batman_ogm_packet, if_incoming); bonding_save_primary(orig_node, orig_neigh_node, batman_ogm_packet); @@ -1091,20 +1083,20 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, if (is_bidirectional && (!is_duplicate || ((orig_node->last_real_seqno == batman_ogm_packet->seqno) && - (orig_node->last_ttl - 3 <= batman_ogm_packet->ttl)))) - bat_ogm_orig_update(bat_priv, orig_node, ethhdr, - batman_ogm_packet, if_incoming, - tt_buff, is_duplicate); + (orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl)))) + bat_iv_ogm_orig_update(bat_priv, orig_node, ethhdr, + batman_ogm_packet, if_incoming, + tt_buff, is_duplicate); /* is single hop (direct) neighbor */ if (is_single_hop_neigh) { /* mark direct link on incoming interface */ - bat_ogm_forward(orig_node, ethhdr, batman_ogm_packet, - 1, if_incoming); + bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet, + 1, if_incoming); - bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: " - "rebroadcast neighbor packet with direct link flag\n"); + bat_dbg(DBG_BATMAN, bat_priv, + "Forwarding packet: rebroadcast neighbor packet with direct link flag\n"); goto out_neigh; } @@ -1123,7 +1115,8 @@ static void bat_ogm_process(const struct ethhdr *ethhdr, bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: rebroadcast originator packet\n"); - bat_ogm_forward(orig_node, ethhdr, batman_ogm_packet, 0, if_incoming); + bat_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet, + 0, if_incoming); out_neigh: if ((orig_neigh_node) && (!is_single_hop_neigh)) @@ -1139,13 +1132,17 @@ out: orig_node_free_ref(orig_node); } -void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff, - int packet_len, struct hard_iface *if_incoming) +static void bat_iv_ogm_receive(struct hard_iface *if_incoming, + struct sk_buff *skb) { struct batman_ogm_packet *batman_ogm_packet; - int buff_pos = 0; - unsigned char *tt_buff; + struct ethhdr *ethhdr; + int buff_pos = 0, packet_len; + unsigned char *tt_buff, *packet_buff; + packet_len = skb_headlen(skb); + ethhdr = (struct ethhdr *)skb_mac_header(skb); + packet_buff = skb->data; batman_ogm_packet = (struct batman_ogm_packet *)packet_buff; /* unpack the aggregated packets and process them one by one */ @@ -1157,14 +1154,29 @@ void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff, tt_buff = packet_buff + buff_pos + BATMAN_OGM_LEN; - bat_ogm_process(ethhdr, batman_ogm_packet, - tt_buff, if_incoming); + bat_iv_ogm_process(ethhdr, batman_ogm_packet, + tt_buff, if_incoming); buff_pos += BATMAN_OGM_LEN + tt_len(batman_ogm_packet->tt_num_changes); batman_ogm_packet = (struct batman_ogm_packet *) (packet_buff + buff_pos); - } while (bat_ogm_aggr_packet(buff_pos, packet_len, - batman_ogm_packet->tt_num_changes)); + } while (bat_iv_ogm_aggr_packet(buff_pos, packet_len, + batman_ogm_packet->tt_num_changes)); +} + +static struct bat_algo_ops batman_iv __read_mostly = { + .name = "BATMAN IV", + .bat_ogm_init = bat_iv_ogm_init, + .bat_ogm_init_primary = bat_iv_ogm_init_primary, + .bat_ogm_update_mac = bat_iv_ogm_update_mac, + .bat_ogm_schedule = bat_iv_ogm_schedule, + .bat_ogm_emit = bat_iv_ogm_emit, + .bat_ogm_receive = bat_iv_ogm_receive, +}; + +int __init bat_iv_init(void) +{ + return bat_algo_register(&batman_iv); } diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c index c25492f7d665..68ff759fc304 100644 --- a/net/batman-adv/bat_sysfs.c +++ b/net/batman-adv/bat_sysfs.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * @@ -255,8 +255,8 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, buff[count - 1] = '\0'; bat_info(net_dev, - "Invalid parameter for 'vis mode' setting received: " - "%s\n", buff); + "Invalid parameter for 'vis mode' setting received: %s\n", + buff); return -EINVAL; } @@ -272,6 +272,13 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, return count; } +static ssize_t show_bat_algo(struct kobject *kobj, struct attribute *attr, + char *buff) +{ + struct bat_priv *bat_priv = kobj_to_batpriv(kobj); + return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); +} + static void post_gw_deselect(struct net_device *net_dev) { struct bat_priv *bat_priv = netdev_priv(net_dev); @@ -314,17 +321,17 @@ static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr, gw_mode_tmp = GW_MODE_OFF; if (strncmp(buff, GW_MODE_CLIENT_NAME, - strlen(GW_MODE_CLIENT_NAME)) == 0) + strlen(GW_MODE_CLIENT_NAME)) == 0) gw_mode_tmp = GW_MODE_CLIENT; if (strncmp(buff, GW_MODE_SERVER_NAME, - strlen(GW_MODE_SERVER_NAME)) == 0) + strlen(GW_MODE_SERVER_NAME)) == 0) gw_mode_tmp = GW_MODE_SERVER; if (gw_mode_tmp < 0) { bat_info(net_dev, - "Invalid parameter for 'gw mode' setting received: " - "%s\n", buff); + "Invalid parameter for 'gw mode' setting received: %s\n", + buff); return -EINVAL; } @@ -382,6 +389,7 @@ BAT_ATTR_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); BAT_ATTR_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu); BAT_ATTR_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); +static BAT_ATTR(routing_algo, S_IRUGO, show_bat_algo, NULL); static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode); BAT_ATTR_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); BAT_ATTR_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); @@ -399,6 +407,7 @@ static struct bat_attribute *mesh_attrs[] = { &bat_attr_fragmentation, &bat_attr_ap_isolation, &bat_attr_vis_mode, + &bat_attr_routing_algo, &bat_attr_gw_mode, &bat_attr_orig_interval, &bat_attr_hop_penalty, @@ -493,8 +502,8 @@ static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, buff[count - 1] = '\0'; if (strlen(buff) >= IFNAMSIZ) { - pr_err("Invalid parameter for 'mesh_iface' setting received: " - "interface name too long '%s'\n", buff); + pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", + buff); hardif_free_ref(hard_iface); return -EINVAL; } @@ -668,8 +677,8 @@ out: hardif_free_ref(primary_if); if (ret) - bat_dbg(DBG_BATMAN, bat_priv, "Impossible to send " - "uevent for (%s,%s,%s) event (err: %d)\n", + bat_dbg(DBG_BATMAN, bat_priv, + "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", uev_type_str[type], uev_action_str[action], (action == UEV_DEL ? "NULL" : data), ret); return ret; diff --git a/net/batman-adv/bat_sysfs.h b/net/batman-adv/bat_sysfs.h index a3f75a723c56..fece77ae586e 100644 --- a/net/batman-adv/bat_sysfs.h +++ b/net/batman-adv/bat_sysfs.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c index 9bc63b209b3f..6d0aa216b232 100644 --- a/net/batman-adv/bitarray.c +++ b/net/batman-adv/bitarray.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2006-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * @@ -154,8 +154,8 @@ int bit_get_packet(void *priv, unsigned long *seq_bits, /* sequence number is much newer, probably missed a lot of packets */ - if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE) - && (seq_num_diff < EXPECTED_SEQNO_RANGE)) { + if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE) && + (seq_num_diff < EXPECTED_SEQNO_RANGE)) { bat_dbg(DBG_BATMAN, bat_priv, "We missed a lot of packets (%i) !\n", seq_num_diff - 1); @@ -170,8 +170,8 @@ int bit_get_packet(void *priv, unsigned long *seq_bits, * packet should be dropped without calling this function if the * seqno window is protected. */ - if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) - || (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { + if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) || + (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { bat_dbg(DBG_BATMAN, bat_priv, "Other host probably restarted!\n"); diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h index 9c04422aeb07..c6135728a680 100644 --- a/net/batman-adv/bitarray.h +++ b/net/batman-adv/bitarray.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2006-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 24403a7350f7..6f9b9b78f77d 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * @@ -224,16 +224,13 @@ void gw_election(struct bat_priv *bat_priv) } else if ((!curr_gw) && (next_gw)) { bat_dbg(DBG_BATMAN, bat_priv, "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n", - next_gw->orig_node->orig, - next_gw->orig_node->gw_flags, + next_gw->orig_node->orig, next_gw->orig_node->gw_flags, router->tq_avg); throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr); } else { bat_dbg(DBG_BATMAN, bat_priv, - "Changing route to gateway %pM " - "(gw_flags: %i, tq: %i)\n", - next_gw->orig_node->orig, - next_gw->orig_node->gw_flags, + "Changing route to gateway %pM (gw_flags: %i, tq: %i)\n", + next_gw->orig_node->orig, next_gw->orig_node->gw_flags, router->tq_avg); throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr); } @@ -287,8 +284,7 @@ void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node) goto out; bat_dbg(DBG_BATMAN, bat_priv, - "Restarting gateway selection: better gateway found (tq curr: " - "%i, tq new: %i)\n", + "Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n", gw_tq_avg, orig_tq_avg); deselect: @@ -352,8 +348,7 @@ void gw_node_update(struct bat_priv *bat_priv, continue; bat_dbg(DBG_BATMAN, bat_priv, - "Gateway class of originator %pM changed from " - "%i to %i\n", + "Gateway class of originator %pM changed from %i to %i\n", orig_node->orig, gw_node->orig_node->gw_flags, new_gwflags); @@ -396,7 +391,7 @@ void gw_node_purge(struct bat_priv *bat_priv) { struct gw_node *gw_node, *curr_gw; struct hlist_node *node, *node_tmp; - unsigned long timeout = 2 * PURGE_TIMEOUT * HZ; + unsigned long timeout = msecs_to_jiffies(2 * PURGE_TIMEOUT); int do_deselect = 0; curr_gw = gw_get_selected_gw_node(bat_priv); @@ -474,23 +469,23 @@ int gw_client_seq_print_text(struct seq_file *seq, void *offset) primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - please " - "specify interfaces to enable it\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", net_dev->name); goto out; } if (primary_if->if_status != IF_ACTIVE) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "primary interface not active\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); goto out; } - seq_printf(seq, " %-12s (%s/%i) %17s [%10s]: gw_class ... " - "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n", - "Gateway", "#", TQ_MAX_VALUE, "Nexthop", - "outgoingIF", SOURCE_VERSION, primary_if->net_dev->name, + seq_printf(seq, + " %-12s (%s/%i) %17s [%10s]: gw_class ... [B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n", + "Gateway", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF", + SOURCE_VERSION, primary_if->net_dev->name, primary_if->net_dev->dev_addr, net_dev->name); rcu_read_lock(); @@ -629,7 +624,7 @@ bool gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) /* check for bootp port */ if ((ntohs(ethhdr->h_proto) == ETH_P_IP) && - (ntohs(udphdr->dest) != 67)) + (ntohs(udphdr->dest) != 67)) return false; if ((ntohs(ethhdr->h_proto) == ETH_P_IPV6) && diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index e1edba08eb1d..bf56a5aea10b 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index c4ac7b0a2a63..ca57ac7d73b2 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * @@ -93,7 +93,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff, multi = 1024; if ((strnicmp(tmp_ptr, "kbit", 4) == 0) || - (multi > 1)) + (multi > 1)) *tmp_ptr = '\0'; } @@ -118,15 +118,15 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff, multi = 1024; if ((strnicmp(tmp_ptr, "kbit", 4) == 0) || - (multi > 1)) + (multi > 1)) *tmp_ptr = '\0'; } ret = kstrtol(slash_ptr + 1, 10, &lup); if (ret) { bat_err(net_dev, - "Upload speed of gateway mode invalid: " - "%s\n", slash_ptr + 1); + "Upload speed of gateway mode invalid: %s\n", + slash_ptr + 1); return false; } @@ -163,8 +163,8 @@ ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count) gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp, &down, &up); gw_deselect(bat_priv); - bat_info(net_dev, "Changing gateway bandwidth from: '%i' to: '%ld' " - "(propagating: %d%s/%d%s)\n", + bat_info(net_dev, + "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n", atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp, (down > 2048 ? down / 1024 : down), (down > 2048 ? "MBit" : "KBit"), diff --git a/net/batman-adv/gateway_common.h b/net/batman-adv/gateway_common.h index 55e527a489fe..b8fb11c4f927 100644 --- a/net/batman-adv/gateway_common.h +++ b/net/batman-adv/gateway_common.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors: * * Marek Lindner * diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 7704df468e0b..377897701a85 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); diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h index 67f78d1a63b4..e68c5655e616 100644 --- a/net/batman-adv/hard-interface.h +++ b/net/batman-adv/hard-interface.h @@ -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 * diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c index d1da29da333b..117687bedf25 100644 --- a/net/batman-adv/hash.c +++ b/net/batman-adv/hash.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2006-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h index 4768717f07f9..d4bd7862719b 100644 --- a/net/batman-adv/hash.h +++ b/net/batman-adv/hash.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2006-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index d9c1e7bb7fbf..b87518edcef9 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.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 * @@ -59,8 +59,7 @@ static int bat_socket_open(struct inode *inode, struct file *file) } if (i == ARRAY_SIZE(socket_client_hash)) { - pr_err("Error - can't add another packet client: " - "maximum number of clients reached\n"); + pr_err("Error - can't add another packet client: maximum number of clients reached\n"); kfree(socket_client); return -EXFULL; } @@ -162,8 +161,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, if (len < sizeof(struct icmp_packet)) { bat_dbg(DBG_BATMAN, bat_priv, - "Error - can't send packet from char device: " - "invalid packet size\n"); + "Error - can't send packet from char device: invalid packet size\n"); return -EINVAL; } @@ -191,27 +189,25 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, goto free_skb; } - if (icmp_packet->packet_type != BAT_ICMP) { + if (icmp_packet->header.packet_type != BAT_ICMP) { bat_dbg(DBG_BATMAN, bat_priv, - "Error - can't send packet from char device: " - "got bogus packet type (expected: BAT_ICMP)\n"); + "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n"); len = -EINVAL; goto free_skb; } if (icmp_packet->msg_type != ECHO_REQUEST) { bat_dbg(DBG_BATMAN, bat_priv, - "Error - can't send packet from char device: " - "got bogus message type (expected: ECHO_REQUEST)\n"); + "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n"); len = -EINVAL; goto free_skb; } icmp_packet->uid = socket_client->index; - if (icmp_packet->version != COMPAT_VERSION) { + if (icmp_packet->header.version != COMPAT_VERSION) { icmp_packet->msg_type = PARAMETER_PROBLEM; - icmp_packet->version = COMPAT_VERSION; + icmp_packet->header.version = COMPAT_VERSION; bat_socket_add_packet(socket_client, icmp_packet, packet_len); goto free_skb; } diff --git a/net/batman-adv/icmp_socket.h b/net/batman-adv/icmp_socket.h index 462b190fa101..380ed4c2443a 100644 --- a/net/batman-adv/icmp_socket.h +++ b/net/batman-adv/icmp_socket.h @@ -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 * diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index fb87bdc2ce9b..6d51caaf8cec 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.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 * @@ -32,11 +32,14 @@ #include "gateway_client.h" #include "vis.h" #include "hash.h" +#include "bat_algo.h" /* List manipulations on hardif_list have to be rtnl_lock()'ed, * list traversals just rcu-locked */ struct list_head hardif_list; +char bat_routing_algo[20] = "BATMAN IV"; +static struct hlist_head bat_algo_list; unsigned char broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; @@ -45,6 +48,9 @@ struct workqueue_struct *bat_event_workqueue; static int __init batman_init(void) { INIT_LIST_HEAD(&hardif_list); + INIT_HLIST_HEAD(&bat_algo_list); + + bat_iv_init(); /* the name should not be longer than 10 chars - see * http://lwn.net/Articles/23634/ */ @@ -58,8 +64,8 @@ static int __init batman_init(void) register_netdevice_notifier(&hard_if_notifier); - pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) " - "loaded\n", SOURCE_VERSION, COMPAT_VERSION); + pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n", + SOURCE_VERSION, COMPAT_VERSION); return 0; } @@ -170,9 +176,110 @@ int is_my_mac(const uint8_t *addr) } rcu_read_unlock(); return 0; +} + +static struct bat_algo_ops *bat_algo_get(char *name) +{ + struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; + struct hlist_node *node; + + hlist_for_each_entry(bat_algo_ops_tmp, node, &bat_algo_list, list) { + if (strcmp(bat_algo_ops_tmp->name, name) != 0) + continue; + + bat_algo_ops = bat_algo_ops_tmp; + break; + } + + return bat_algo_ops; +} + +int bat_algo_register(struct bat_algo_ops *bat_algo_ops) +{ + struct bat_algo_ops *bat_algo_ops_tmp; + int ret = -1; + + bat_algo_ops_tmp = bat_algo_get(bat_algo_ops->name); + if (bat_algo_ops_tmp) { + pr_info("Trying to register already registered routing algorithm: %s\n", + bat_algo_ops->name); + goto out; + } + + /* all algorithms must implement all ops (for now) */ + if (!bat_algo_ops->bat_ogm_init || + !bat_algo_ops->bat_ogm_init_primary || + !bat_algo_ops->bat_ogm_update_mac || + !bat_algo_ops->bat_ogm_schedule || + !bat_algo_ops->bat_ogm_emit || + !bat_algo_ops->bat_ogm_receive) { + pr_info("Routing algo '%s' does not implement required ops\n", + bat_algo_ops->name); + goto out; + } + + INIT_HLIST_NODE(&bat_algo_ops->list); + hlist_add_head(&bat_algo_ops->list, &bat_algo_list); + ret = 0; + +out: + return ret; +} + +int bat_algo_select(struct bat_priv *bat_priv, char *name) +{ + struct bat_algo_ops *bat_algo_ops; + int ret = -1; + + bat_algo_ops = bat_algo_get(name); + if (!bat_algo_ops) + goto out; + + bat_priv->bat_algo_ops = bat_algo_ops; + ret = 0; + +out: + return ret; +} + +int bat_algo_seq_print_text(struct seq_file *seq, void *offset) +{ + struct bat_algo_ops *bat_algo_ops; + struct hlist_node *node; + + seq_printf(seq, "Available routing algorithms:\n"); + + hlist_for_each_entry(bat_algo_ops, node, &bat_algo_list, list) { + seq_printf(seq, "%s\n", bat_algo_ops->name); + } + + return 0; +} + +static int param_set_ra(const char *val, const struct kernel_param *kp) +{ + struct bat_algo_ops *bat_algo_ops; + bat_algo_ops = bat_algo_get((char *)val); + if (!bat_algo_ops) { + pr_err("Routing algorithm '%s' is not supported\n", val); + return -EINVAL; + } + + return param_set_copystring(val, kp); } +static const struct kernel_param_ops param_ops_ra = { + .set = param_set_ra, + .get = param_get_string, +}; + +static struct kparam_string __param_string_ra = { + .maxlen = sizeof(bat_routing_algo), + .string = bat_routing_algo, +}; + +module_param_cb(routing_algo, ¶m_ops_ra, &__param_string_ra, 0644); module_init(batman_init); module_exit(batman_exit); diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index 86354e06eb48..94fa1c2393a6 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -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 +28,7 @@ #define DRIVER_DEVICE "batman-adv" #ifndef SOURCE_VERSION -#define SOURCE_VERSION "2012.0.0" +#define SOURCE_VERSION "2012.1.0" #endif /* B.A.T.M.A.N. parameters */ @@ -41,13 +41,14 @@ /* purge originators after time in seconds if no valid packet comes in * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE */ -#define PURGE_TIMEOUT 200 -#define TT_LOCAL_TIMEOUT 3600 /* in seconds */ -#define TT_CLIENT_ROAM_TIMEOUT 600 +#define PURGE_TIMEOUT 200000 /* 200 seconds */ +#define TT_LOCAL_TIMEOUT 3600000 /* in miliseconds */ +#define TT_CLIENT_ROAM_TIMEOUT 600000 /* in miliseconds */ /* sliding packet range of received originator messages in sequence numbers * (should be a multiple of our word size) */ #define TQ_LOCAL_WINDOW_SIZE 64 -#define TT_REQUEST_TIMEOUT 3 /* seconds we have to keep pending tt_req */ +#define TT_REQUEST_TIMEOUT 3000 /* miliseconds we have to keep + * pending tt_req */ #define TQ_GLOBAL_WINDOW_SIZE 5 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 @@ -56,8 +57,8 @@ #define TT_OGM_APPEND_MAX 3 /* number of OGMs sent with the last tt diff */ -#define ROAMING_MAX_TIME 20 /* Time in which a client can roam at most - * ROAMING_MAX_COUNT times */ +#define ROAMING_MAX_TIME 20000 /* Time in which a client can roam at most + * ROAMING_MAX_COUNT times in miliseconds*/ #define ROAMING_MAX_COUNT 5 #define NO_FLAGS 0 @@ -106,9 +107,7 @@ enum uev_type { #define GW_THRESHOLD 50 -/* - * Debug Messages - */ +/* Debug Messages */ #ifdef pr_fmt #undef pr_fmt #endif @@ -123,14 +122,7 @@ enum dbg_level { DBG_ALL = 7 }; - -/* - * Vis - */ - -/* - * Kernel headers - */ +/* Kernel headers */ #include <linux/mutex.h> /* mutex */ #include <linux/module.h> /* needed by all modules */ @@ -147,6 +139,7 @@ enum dbg_level { #include <linux/seq_file.h> #include "types.h" +extern char bat_routing_algo[]; extern struct list_head hardif_list; extern unsigned char broadcast_addr[]; @@ -157,6 +150,9 @@ void mesh_free(struct net_device *soft_iface); void inc_module_count(void); void dec_module_count(void); int is_my_mac(const uint8_t *addr); +int bat_algo_register(struct bat_algo_ops *bat_algo_ops); +int bat_algo_select(struct bat_priv *bat_priv, char *name); +int bat_algo_seq_print_text(struct seq_file *seq, void *offset); #ifdef CONFIG_BATMAN_ADV_DEBUG int debug_log(struct bat_priv *bat_priv, const char *fmt, ...) __printf(2, 3); @@ -202,6 +198,17 @@ static inline int compare_eth(const void *data1, const void *data2) return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } +/** + * has_timed_out - compares current time (jiffies) and timestamp + timeout + * @timestamp: base value to compare with (in jiffies) + * @timeout: added to base value before comparing (in milliseconds) + * + * Returns true if current time is after timestamp + timeout + */ +static inline bool has_timed_out(unsigned long timestamp, unsigned int timeout) +{ + return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout)); +} #define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 0bc2045a2f2e..43c0a4f1399e 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2009-2012 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich * @@ -143,7 +143,7 @@ static void orig_node_free_rcu(struct rcu_head *rcu) frag_list_free(&orig_node->frag_list); tt_global_del_orig(orig_node->bat_priv, orig_node, - "originator timed out"); + "originator timed out"); kfree(orig_node->tt_buff); kfree(orig_node->bcast_own); @@ -219,6 +219,7 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr) /* extra reference for return */ atomic_set(&orig_node->refcount, 2); + orig_node->tt_initialised = false; orig_node->tt_poss_change = false; orig_node->bat_priv = bat_priv; memcpy(orig_node->orig, addr, ETH_ALEN); @@ -281,8 +282,7 @@ static bool purge_orig_neighbors(struct bat_priv *bat_priv, hlist_for_each_entry_safe(neigh_node, node, node_tmp, &orig_node->neigh_list, list) { - if ((time_after(jiffies, - neigh_node->last_valid + PURGE_TIMEOUT * HZ)) || + if ((has_timed_out(neigh_node->last_valid, PURGE_TIMEOUT)) || (neigh_node->if_incoming->if_status == IF_INACTIVE) || (neigh_node->if_incoming->if_status == IF_NOT_IN_USE) || (neigh_node->if_incoming->if_status == IF_TO_BE_REMOVED)) { @@ -294,14 +294,12 @@ static bool purge_orig_neighbors(struct bat_priv *bat_priv, (neigh_node->if_incoming->if_status == IF_TO_BE_REMOVED)) bat_dbg(DBG_BATMAN, bat_priv, - "neighbor purge: originator %pM, " - "neighbor: %pM, iface: %s\n", + "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n", orig_node->orig, neigh_node->addr, neigh_node->if_incoming->net_dev->name); else bat_dbg(DBG_BATMAN, bat_priv, - "neighbor timeout: originator %pM, " - "neighbor: %pM, last_valid: %lu\n", + "neighbor timeout: originator %pM, neighbor: %pM, last_valid: %lu\n", orig_node->orig, neigh_node->addr, (neigh_node->last_valid / HZ)); @@ -326,18 +324,15 @@ static bool purge_orig_node(struct bat_priv *bat_priv, { struct neigh_node *best_neigh_node; - if (time_after(jiffies, - orig_node->last_valid + 2 * PURGE_TIMEOUT * HZ)) { - + if (has_timed_out(orig_node->last_valid, 2 * PURGE_TIMEOUT)) { bat_dbg(DBG_BATMAN, bat_priv, "Originator timeout: originator %pM, last_valid %lu\n", orig_node->orig, (orig_node->last_valid / HZ)); return true; } else { if (purge_orig_neighbors(bat_priv, orig_node, - &best_neigh_node)) { + &best_neigh_node)) update_route(bat_priv, orig_node, best_neigh_node); - } } return false; @@ -371,8 +366,8 @@ static void _purge_orig(struct bat_priv *bat_priv) continue; } - if (time_after(jiffies, orig_node->last_frag_packet + - msecs_to_jiffies(FRAG_TIMEOUT))) + if (has_timed_out(orig_node->last_frag_packet, + FRAG_TIMEOUT)) frag_list_free(&orig_node->frag_list); } spin_unlock_bh(list_lock); @@ -419,15 +414,15 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "please specify interfaces to enable it\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", net_dev->name); goto out; } if (primary_if->if_status != IF_ACTIVE) { - ret = seq_printf(seq, "BATMAN mesh %s " - "disabled - primary interface not active\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); goto out; } diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h index 67765ffef731..3fe2eda85652 100644 --- a/net/batman-adv/originator.h +++ b/net/batman-adv/originator.h @@ -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 * diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 4d9e54c57a36..441f3db1bd91 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -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 * @@ -90,10 +90,14 @@ enum tt_client_flags { TT_CLIENT_PENDING = 1 << 10 }; -struct batman_ogm_packet { +struct batman_header { uint8_t packet_type; uint8_t version; /* batman version field */ uint8_t ttl; +} __packed; + +struct batman_ogm_packet { + struct batman_header header; uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ uint32_t seqno; uint8_t orig[6]; @@ -108,9 +112,7 @@ struct batman_ogm_packet { #define BATMAN_OGM_LEN sizeof(struct batman_ogm_packet) struct icmp_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[6]; uint8_t orig[6]; @@ -124,9 +126,7 @@ struct icmp_packet { /* icmp_packet_rr must start with all fields from imcp_packet * as this is assumed by code that handles ICMP packets */ struct icmp_packet_rr { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[6]; uint8_t orig[6]; @@ -137,17 +137,13 @@ struct icmp_packet_rr { } __packed; struct unicast_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[6]; } __packed; struct unicast_frag_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[6]; uint8_t flags; @@ -157,18 +153,14 @@ struct unicast_frag_packet { } __packed; struct bcast_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; uint8_t reserved; uint32_t seqno; uint8_t orig[6]; } __packed; struct vis_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; /* TTL */ + struct batman_header header; uint8_t vis_type; /* which type of vis-participant sent this? */ uint32_t seqno; /* sequence number */ uint8_t entries; /* number of entries behind this struct */ @@ -179,9 +171,7 @@ struct vis_packet { } __packed; struct tt_query_packet { - uint8_t packet_type; - uint8_t version; /* batman version field */ - uint8_t ttl; + struct batman_header header; /* the flag field is a combination of: * - TT_REQUEST or TT_RESPONSE * - TT_FULL_TABLE */ @@ -202,9 +192,7 @@ struct tt_query_packet { } __packed; struct roam_adv_packet { - uint8_t packet_type; - uint8_t version; - uint8_t ttl; + struct batman_header header; uint8_t reserved; uint8_t dst[ETH_ALEN]; uint8_t src[ETH_ALEN]; diff --git a/net/batman-adv/ring_buffer.c b/net/batman-adv/ring_buffer.c index f1ccfa76ce8a..fd63951d118d 100644 --- a/net/batman-adv/ring_buffer.c +++ b/net/batman-adv/ring_buffer.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 * diff --git a/net/batman-adv/ring_buffer.h b/net/batman-adv/ring_buffer.h index 7cdfe62b657c..8b58bd82767d 100644 --- a/net/batman-adv/ring_buffer.h +++ b/net/batman-adv/ring_buffer.h @@ -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 * diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 773e606f9702..7f8e15899417 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.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 * @@ -29,7 +29,6 @@ #include "originator.h" #include "vis.h" #include "unicast.h" -#include "bat_ogm.h" void slide_own_bcast_window(struct hard_iface *hard_iface) { @@ -73,7 +72,7 @@ static void _update_route(struct bat_priv *bat_priv, bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n", orig_node->orig); tt_global_del_orig(bat_priv, orig_node, - "Deleted route towards originator"); + "Deleted route towards originator"); /* route added */ } else if ((!curr_router) && (neigh_node)) { @@ -84,8 +83,7 @@ static void _update_route(struct bat_priv *bat_priv, /* route changed */ } else if (neigh_node && curr_router) { bat_dbg(DBG_ROUTES, bat_priv, - "Changing route towards: %pM " - "(now via %pM - was via %pM)\n", + "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, curr_router->addr); } @@ -230,24 +228,25 @@ void bonding_save_primary(const struct orig_node *orig_node, int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, unsigned long *last_reset) { - if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) - || (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { - if (time_after(jiffies, *last_reset + - msecs_to_jiffies(RESET_PROTECTION_MS))) { + if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) || + (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { + if (has_timed_out(*last_reset, RESET_PROTECTION_MS)) { *last_reset = jiffies; bat_dbg(DBG_BATMAN, bat_priv, "old packet received, start protection\n"); return 0; - } else + } else { return 1; + } } return 0; } int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface) { + struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct ethhdr *ethhdr; /* drop packet if it has not necessary minimum size */ @@ -272,9 +271,7 @@ int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface) if (skb_linearize(skb) < 0) return NET_RX_DROP; - ethhdr = (struct ethhdr *)skb_mac_header(skb); - - bat_ogm_receive(ethhdr, skb->data, skb_headlen(skb), hard_iface); + bat_priv->bat_algo_ops->bat_ogm_receive(hard_iface, skb); kfree_skb(skb); return NET_RX_SUCCESS; @@ -320,7 +317,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv, memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); icmp_packet->msg_type = ECHO_REPLY; - icmp_packet->ttl = TTL; + icmp_packet->header.ttl = TTL; send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -348,9 +345,8 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, /* send TTL exceeded if packet is an echo request (traceroute) */ if (icmp_packet->msg_type != ECHO_REQUEST) { - pr_debug("Warning - can't forward icmp packet from %pM to " - "%pM: ttl exceeded\n", icmp_packet->orig, - icmp_packet->dst); + pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n", + icmp_packet->orig, icmp_packet->dst); goto out; } @@ -376,7 +372,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); icmp_packet->msg_type = TTL_EXCEEDED; - icmp_packet->ttl = TTL; + icmp_packet->header.ttl = TTL; send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -432,7 +428,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) if ((hdr_size == sizeof(struct icmp_packet_rr)) && (icmp_packet->rr_cur < BAT_RR_LEN)) { memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]), - ethhdr->h_dest, ETH_ALEN); + ethhdr->h_dest, ETH_ALEN); icmp_packet->rr_cur++; } @@ -441,7 +437,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) return recv_my_icmp_packet(bat_priv, skb, hdr_size); /* TTL exceeded */ - if (icmp_packet->ttl < 2) + if (icmp_packet->header.ttl < 2) return recv_icmp_ttl_exceeded(bat_priv, skb); /* get routing information */ @@ -460,7 +456,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) icmp_packet = (struct icmp_packet_rr *)skb->data; /* decrement ttl */ - icmp_packet->ttl--; + icmp_packet->header.ttl--; /* route it */ send_skb_packet(skb, router->if_incoming, router->addr); @@ -677,9 +673,9 @@ int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) if (!orig_node) goto out; - bat_dbg(DBG_TT, bat_priv, "Received ROAMING_ADV from %pM " - "(client %pM)\n", roam_adv_packet->src, - roam_adv_packet->client); + bat_dbg(DBG_TT, bat_priv, + "Received ROAMING_ADV from %pM (client %pM)\n", + roam_adv_packet->src, roam_adv_packet->client); tt_global_add(bat_priv, orig_node, roam_adv_packet->client, atomic_read(&orig_node->last_ttvn) + 1, true, false); @@ -815,10 +811,9 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) unicast_packet = (struct unicast_packet *)skb->data; /* TTL exceeded */ - if (unicast_packet->ttl < 2) { - pr_debug("Warning - can't forward unicast packet from %pM to " - "%pM: ttl exceeded\n", ethhdr->h_source, - unicast_packet->dest); + if (unicast_packet->header.ttl < 2) { + pr_debug("Warning - can't forward unicast packet from %pM to %pM: ttl exceeded\n", + ethhdr->h_source, unicast_packet->dest); goto out; } @@ -840,7 +835,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) unicast_packet = (struct unicast_packet *)skb->data; - if (unicast_packet->packet_type == BAT_UNICAST && + if (unicast_packet->header.packet_type == BAT_UNICAST && atomic_read(&bat_priv->fragmentation) && skb->len > neigh_node->if_incoming->net_dev->mtu) { ret = frag_send_skb(skb, bat_priv, @@ -848,7 +843,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) goto out; } - if (unicast_packet->packet_type == BAT_UNICAST_FRAG && + if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG && frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) { ret = frag_reassemble_skb(skb, bat_priv, &new_skb); @@ -867,7 +862,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) } /* decrement ttl */ - unicast_packet->ttl--; + unicast_packet->header.ttl--; /* route it */ send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); @@ -937,10 +932,10 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv, orig_node_free_ref(orig_node); } - bat_dbg(DBG_ROUTES, bat_priv, "TTVN mismatch (old_ttvn %u " - "new_ttvn %u)! Rerouting unicast packet (for %pM) to " - "%pM\n", unicast_packet->ttvn, curr_ttvn, - ethhdr->h_dest, unicast_packet->dest); + bat_dbg(DBG_ROUTES, bat_priv, + "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n", + unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest, + unicast_packet->dest); unicast_packet->ttvn = curr_ttvn; } @@ -1041,7 +1036,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (is_my_mac(bcast_packet->orig)) goto out; - if (bcast_packet->ttl < 2) + if (bcast_packet->header.ttl < 2) goto out; orig_node = orig_hash_find(bat_priv, bcast_packet->orig); diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h index 7aaee0fb0fdc..92ac100d83da 100644 --- a/net/batman-adv/routing.h +++ b/net/batman-adv/routing.h @@ -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 * diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 8a684eb738ad..af7a6741a685 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.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 "vis.h" #include "gateway_common.h" #include "originator.h" -#include "bat_ogm.h" static void send_outstanding_bcast_packet(struct work_struct *work); @@ -46,8 +45,8 @@ int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, goto send_skb_err; if (!(hard_iface->net_dev->flags & IFF_UP)) { - pr_warning("Interface %s is not up - can't send packet via " - "that interface!\n", hard_iface->net_dev->name); + pr_warning("Interface %s is not up - can't send packet via that interface!\n", + hard_iface->net_dev->name); goto send_skb_err; } @@ -57,7 +56,7 @@ int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, skb_reset_mac_header(skb); - ethhdr = (struct ethhdr *) skb_mac_header(skb); + ethhdr = (struct ethhdr *)skb_mac_header(skb); memcpy(ethhdr->h_source, hard_iface->net_dev->dev_addr, ETH_ALEN); memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN); ethhdr->h_proto = __constant_htons(ETH_P_BATMAN); @@ -168,7 +167,7 @@ void schedule_bat_ogm(struct hard_iface *hard_iface) if (primary_if) hardif_free_ref(primary_if); - bat_ogm_schedule(hard_iface, tt_num_changes); + bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface, tt_num_changes); } static void forw_packet_free(struct forw_packet *forw_packet) @@ -234,7 +233,7 @@ int add_bcast_packet_to_list(struct bat_priv *bat_priv, /* as we have a copy now, it is safe to decrease the TTL */ bcast_packet = (struct bcast_packet *)newskb->data; - bcast_packet->ttl--; + bcast_packet->header.ttl--; skb_reset_mac_header(newskb); @@ -318,7 +317,7 @@ void send_outstanding_bat_ogm_packet(struct work_struct *work) if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) goto out; - bat_ogm_emit(forw_packet); + bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet); /** * we have to have at least one packet in the queue diff --git a/net/batman-adv/send.h b/net/batman-adv/send.h index c8ca3ef7385b..824ef06f9b01 100644 --- a/net/batman-adv/send.h +++ b/net/batman-adv/send.h @@ -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 * diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 987c75a775f9..a5590f4193f1 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-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 * @@ -252,8 +252,8 @@ static void softif_neigh_vid_select(struct bat_priv *bat_priv, vid, curr_neigh->addr); else if ((curr_neigh) && (new_neigh)) bat_dbg(DBG_ROUTES, bat_priv, - "Changing mesh exit point on vid: %d from %pM " - "to %pM.\n", vid, curr_neigh->addr, new_neigh->addr); + "Changing mesh exit point on vid: %d from %pM to %pM.\n", + vid, curr_neigh->addr, new_neigh->addr); else if ((!curr_neigh) && (new_neigh)) bat_dbg(DBG_ROUTES, bat_priv, "Setting mesh exit point on vid: %d to %pM.\n", @@ -327,15 +327,15 @@ int softif_neigh_seq_print_text(struct seq_file *seq, void *offset) primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "please specify interfaces to enable it\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", net_dev->name); goto out; } if (primary_if->if_status != IF_ACTIVE) { - ret = seq_printf(seq, "BATMAN mesh %s " - "disabled - primary interface not active\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); goto out; } @@ -396,15 +396,14 @@ void softif_neigh_purge(struct bat_priv *bat_priv) hlist_for_each_entry_safe(softif_neigh, node_tmp, node_tmp2, &softif_neigh_vid->softif_neigh_list, list) { - if ((!time_after(jiffies, softif_neigh->last_seen + - msecs_to_jiffies(SOFTIF_NEIGH_TIMEOUT))) && + if ((!has_timed_out(softif_neigh->last_seen, + SOFTIF_NEIGH_TIMEOUT)) && (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE)) continue; if (curr_softif_neigh == softif_neigh) { bat_dbg(DBG_ROUTES, bat_priv, - "Current mesh exit point on vid: %d " - "'%pM' vanished.\n", + "Current mesh exit point on vid: %d '%pM' vanished.\n", softif_neigh_vid->vid, softif_neigh->addr); do_deselect = 1; @@ -457,10 +456,10 @@ static void softif_batman_recv(struct sk_buff *skb, struct net_device *dev, batman_ogm_packet = (struct batman_ogm_packet *) (skb->data + ETH_HLEN); - if (batman_ogm_packet->version != COMPAT_VERSION) + if (batman_ogm_packet->header.version != COMPAT_VERSION) goto out; - if (batman_ogm_packet->packet_type != BAT_OGM) + if (batman_ogm_packet->header.packet_type != BAT_OGM) goto out; if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP)) @@ -541,6 +540,7 @@ static int interface_set_mac_addr(struct net_device *dev, void *p) } memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + dev->addr_assign_type &= ~NET_ADDR_RANDOM; return 0; } @@ -632,11 +632,11 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) goto dropped; bcast_packet = (struct bcast_packet *)skb->data; - bcast_packet->version = COMPAT_VERSION; - bcast_packet->ttl = TTL; + bcast_packet->header.version = COMPAT_VERSION; + bcast_packet->header.ttl = TTL; /* batman packet type: broadcast */ - bcast_packet->packet_type = BAT_BCAST; + bcast_packet->header.packet_type = BAT_BCAST; /* hw address of first interface is the orig mac because only * this mac is known throughout the mesh */ @@ -725,8 +725,8 @@ void interface_rx(struct net_device *soft_iface, skb_push(skb, hdr_size); unicast_packet = (struct unicast_packet *)skb->data; - if ((unicast_packet->packet_type != BAT_UNICAST) && - (unicast_packet->packet_type != BAT_UNICAST_FRAG)) + if ((unicast_packet->header.packet_type != BAT_UNICAST) && + (unicast_packet->header.packet_type != BAT_UNICAST_FRAG)) goto dropped; skb_reset_mac_header(skb); @@ -783,7 +783,6 @@ static const struct net_device_ops bat_netdev_ops = { static void interface_setup(struct net_device *dev) { struct bat_priv *priv = netdev_priv(dev); - char dev_addr[ETH_ALEN]; ether_setup(dev); @@ -800,8 +799,7 @@ static void interface_setup(struct net_device *dev) dev->hard_header_len = BAT_HEADER_LEN; /* generate random address */ - random_ether_addr(dev_addr); - memcpy(dev->dev_addr, dev_addr, ETH_ALEN); + eth_hw_addr_random(dev); SET_ETHTOOL_OPS(dev, &bat_ethtool_ops); @@ -855,6 +853,10 @@ struct net_device *softif_create(const char *name) bat_priv->primary_if = NULL; bat_priv->num_ifaces = 0; + ret = bat_algo_select(bat_priv, bat_routing_algo); + if (ret < 0) + goto unreg_soft_iface; + ret = sysfs_add_meshif(soft_iface); if (ret < 0) goto unreg_soft_iface; diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h index 001546fc96f1..756eab5b8dd4 100644 --- a/net/batman-adv/soft-interface.h +++ b/net/batman-adv/soft-interface.h @@ -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 * diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index ab8dea8b0b2e..1f8692127840 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.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 * @@ -108,14 +108,6 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv, } -static bool is_out_of_time(unsigned long starting_time, unsigned long timeout) -{ - unsigned long deadline; - deadline = starting_time + msecs_to_jiffies(timeout); - - return time_after(jiffies, deadline); -} - static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry) { if (atomic_dec_and_test(&tt_local_entry->common.refcount)) @@ -218,6 +210,11 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr, if (compare_eth(addr, soft_iface->dev_addr)) tt_local_entry->common.flags |= TT_CLIENT_NOPURGE; + /* The local entry has to be marked as NEW to avoid to send it in + * a full table response going out before the next ttvn increment + * (consistency check) */ + tt_local_entry->common.flags |= TT_CLIENT_NEW; + hash_added = hash_add(bat_priv->tt_local_hash, compare_tt, choose_orig, &tt_local_entry->common, &tt_local_entry->common.hash_entry); @@ -230,11 +227,6 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr, tt_local_event(bat_priv, addr, tt_local_entry->common.flags); - /* The local entry has to be marked as NEW to avoid to send it in - * a full table response going out before the next ttvn increment - * (consistency check) */ - tt_local_entry->common.flags |= TT_CLIENT_NEW; - /* remove address from global hash if present */ tt_global_entry = tt_global_hash_find(bat_priv, addr); @@ -269,7 +261,7 @@ int tt_changes_fill_buffer(struct bat_priv *bat_priv, atomic_set(&bat_priv->tt_local_changes, 0); list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list, - list) { + list) { if (count < tot_changes) { memcpy(buff + tt_len(count), &entry->change, sizeof(struct tt_change)); @@ -317,21 +309,21 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset) primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "please specify interfaces to enable it\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", net_dev->name); goto out; } if (primary_if->if_status != IF_ACTIVE) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "primary interface not active\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); goto out; } - seq_printf(seq, "Locally retrieved addresses (from %s) " - "announced via TT (TTVN: %u):\n", + seq_printf(seq, + "Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n", net_dev->name, (uint8_t)atomic_read(&bat_priv->ttvn)); for (i = 0; i < hash->size; i++) { @@ -341,17 +333,17 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset) hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) { seq_printf(seq, " * %pM [%c%c%c%c%c]\n", - tt_common_entry->addr, - (tt_common_entry->flags & - TT_CLIENT_ROAM ? 'R' : '.'), - (tt_common_entry->flags & - TT_CLIENT_NOPURGE ? 'P' : '.'), - (tt_common_entry->flags & - TT_CLIENT_NEW ? 'N' : '.'), - (tt_common_entry->flags & - TT_CLIENT_PENDING ? 'X' : '.'), - (tt_common_entry->flags & - TT_CLIENT_WIFI ? 'W' : '.')); + tt_common_entry->addr, + (tt_common_entry->flags & + TT_CLIENT_ROAM ? 'R' : '.'), + (tt_common_entry->flags & + TT_CLIENT_NOPURGE ? 'P' : '.'), + (tt_common_entry->flags & + TT_CLIENT_NEW ? 'N' : '.'), + (tt_common_entry->flags & + TT_CLIENT_PENDING ? 'X' : '.'), + (tt_common_entry->flags & + TT_CLIENT_WIFI ? 'W' : '.')); } rcu_read_unlock(); } @@ -363,7 +355,7 @@ out: static void tt_local_set_pending(struct bat_priv *bat_priv, struct tt_local_entry *tt_local_entry, - uint16_t flags) + uint16_t flags, const char *message) { tt_local_event(bat_priv, tt_local_entry->common.addr, tt_local_entry->common.flags | flags); @@ -372,6 +364,10 @@ static void tt_local_set_pending(struct bat_priv *bat_priv, * to be kept in the table in order to send it in a full table * response issued before the net ttvn increment (consistency check) */ tt_local_entry->common.flags |= TT_CLIENT_PENDING; + + bat_dbg(DBG_TT, bat_priv, + "Local tt entry (%pM) pending to be removed: %s\n", + tt_local_entry->common.addr, message); } void tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr, @@ -384,10 +380,7 @@ void tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr, goto out; tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL | - (roaming ? TT_CLIENT_ROAM : NO_FLAGS)); - - bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) pending to be removed: " - "%s\n", tt_local_entry->common.addr, message); + (roaming ? TT_CLIENT_ROAM : NO_FLAGS), message); out: if (tt_local_entry) tt_local_entry_free_ref(tt_local_entry); @@ -420,15 +413,12 @@ static void tt_local_purge(struct bat_priv *bat_priv) if (tt_local_entry->common.flags & TT_CLIENT_PENDING) continue; - if (!is_out_of_time(tt_local_entry->last_seen, - TT_LOCAL_TIMEOUT * 1000)) + if (!has_timed_out(tt_local_entry->last_seen, + TT_LOCAL_TIMEOUT)) continue; tt_local_set_pending(bat_priv, tt_local_entry, - TT_CLIENT_DEL); - bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) " - "pending to be removed: timed out\n", - tt_local_entry->common.addr); + TT_CLIENT_DEL, "timed out"); } spin_unlock_bh(list_lock); } @@ -585,15 +575,15 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset) primary_if = primary_if_get_selected(bat_priv); if (!primary_if) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - please " - "specify interfaces to enable it\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", net_dev->name); goto out; } if (primary_if->if_status != IF_ACTIVE) { - ret = seq_printf(seq, "BATMAN mesh %s disabled - " - "primary interface not active\n", + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); goto out; } @@ -613,20 +603,18 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset) tt_global_entry = container_of(tt_common_entry, struct tt_global_entry, common); - seq_printf(seq, " * %pM (%3u) via %pM (%3u) " - "[%c%c%c]\n", - tt_global_entry->common.addr, - tt_global_entry->ttvn, - tt_global_entry->orig_node->orig, - (uint8_t) atomic_read( + seq_printf(seq, + " * %pM (%3u) via %pM (%3u) [%c%c]\n", + tt_global_entry->common.addr, + tt_global_entry->ttvn, + tt_global_entry->orig_node->orig, + (uint8_t) atomic_read( &tt_global_entry->orig_node-> last_ttvn), - (tt_global_entry->common.flags & - TT_CLIENT_ROAM ? 'R' : '.'), - (tt_global_entry->common.flags & - TT_CLIENT_PENDING ? 'X' : '.'), - (tt_global_entry->common.flags & - TT_CLIENT_WIFI ? 'W' : '.')); + (tt_global_entry->common.flags & + TT_CLIENT_ROAM ? 'R' : '.'), + (tt_global_entry->common.flags & + TT_CLIENT_WIFI ? 'W' : '.')); } rcu_read_unlock(); } @@ -665,29 +653,31 @@ void tt_global_del(struct bat_priv *bat_priv, struct tt_local_entry *tt_local_entry = NULL; tt_global_entry = tt_global_hash_find(bat_priv, addr); - if (!tt_global_entry) + if (!tt_global_entry || tt_global_entry->orig_node != orig_node) goto out; - if (tt_global_entry->orig_node == orig_node) { - if (roaming) { - /* if we are deleting a global entry due to a roam - * event, there are two possibilities: - * 1) the client roamed from node A to node B => we mark - * it with TT_CLIENT_ROAM, we start a timer and we - * wait for node B to claim it. In case of timeout - * the entry is purged. - * 2) the client roamed to us => we can directly delete - * the global entry, since it is useless now. */ - tt_local_entry = tt_local_hash_find(bat_priv, - tt_global_entry->common.addr); - if (!tt_local_entry) { - tt_global_entry->common.flags |= TT_CLIENT_ROAM; - tt_global_entry->roam_at = jiffies; - goto out; - } - } - _tt_global_del(bat_priv, tt_global_entry, message); + if (!roaming) + goto out_del; + + /* if we are deleting a global entry due to a roam + * event, there are two possibilities: + * 1) the client roamed from node A to node B => we mark + * it with TT_CLIENT_ROAM, we start a timer and we + * wait for node B to claim it. In case of timeout + * the entry is purged. + * 2) the client roamed to us => we can directly delete + * the global entry, since it is useless now. */ + tt_local_entry = tt_local_hash_find(bat_priv, + tt_global_entry->common.addr); + if (!tt_local_entry) { + tt_global_entry->common.flags |= TT_CLIENT_ROAM; + tt_global_entry->roam_at = jiffies; + goto out; } + +out_del: + _tt_global_del(bat_priv, tt_global_entry, message); + out: if (tt_global_entry) tt_global_entry_free_ref(tt_global_entry); @@ -715,14 +705,13 @@ void tt_global_del_orig(struct bat_priv *bat_priv, spin_lock_bh(list_lock); hlist_for_each_entry_safe(tt_common_entry, node, safe, - head, hash_entry) { + head, hash_entry) { tt_global_entry = container_of(tt_common_entry, struct tt_global_entry, common); if (tt_global_entry->orig_node == orig_node) { bat_dbg(DBG_TT, bat_priv, - "Deleting global tt entry %pM " - "(via %pM): %s\n", + "Deleting global tt entry %pM (via %pM): %s\n", tt_global_entry->common.addr, tt_global_entry->orig_node->orig, message); @@ -733,6 +722,7 @@ void tt_global_del_orig(struct bat_priv *bat_priv, spin_unlock_bh(list_lock); } atomic_set(&orig_node->tt_size, 0); + orig_node->tt_initialised = false; } static void tt_global_roam_purge(struct bat_priv *bat_priv) @@ -757,12 +747,12 @@ static void tt_global_roam_purge(struct bat_priv *bat_priv) common); if (!(tt_global_entry->common.flags & TT_CLIENT_ROAM)) continue; - if (!is_out_of_time(tt_global_entry->roam_at, - TT_CLIENT_ROAM_TIMEOUT * 1000)) + if (!has_timed_out(tt_global_entry->roam_at, + TT_CLIENT_ROAM_TIMEOUT)) continue; - bat_dbg(DBG_TT, bat_priv, "Deleting global " - "tt entry (%pM): Roaming timeout\n", + bat_dbg(DBG_TT, bat_priv, + "Deleting global tt entry (%pM): Roaming timeout\n", tt_global_entry->common.addr); atomic_dec(&tt_global_entry->orig_node->tt_size); hlist_del_rcu(node); @@ -846,11 +836,6 @@ struct orig_node *transtable_search(struct bat_priv *bat_priv, if (!atomic_inc_not_zero(&tt_global_entry->orig_node->refcount)) goto out; - /* A global client marked as PENDING has already moved from that - * originator */ - if (tt_global_entry->common.flags & TT_CLIENT_PENDING) - goto out; - orig_node = tt_global_entry->orig_node; out: @@ -977,8 +962,7 @@ static void tt_req_purge(struct bat_priv *bat_priv) spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) { - if (is_out_of_time(node->issued_at, - TT_REQUEST_TIMEOUT * 1000)) { + if (has_timed_out(node->issued_at, TT_REQUEST_TIMEOUT)) { list_del(&node->list); kfree(node); } @@ -996,8 +980,8 @@ static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv, spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) { if (compare_eth(tt_req_node_tmp, orig_node) && - !is_out_of_time(tt_req_node_tmp->issued_at, - TT_REQUEST_TIMEOUT * 1000)) + !has_timed_out(tt_req_node_tmp->issued_at, + TT_REQUEST_TIMEOUT)) goto unlock; } @@ -1134,11 +1118,11 @@ static int send_tt_request(struct bat_priv *bat_priv, tt_request = (struct tt_query_packet *)skb_put(skb, sizeof(struct tt_query_packet)); - tt_request->packet_type = BAT_TT_QUERY; - tt_request->version = COMPAT_VERSION; + tt_request->header.packet_type = BAT_TT_QUERY; + tt_request->header.version = COMPAT_VERSION; memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN); - tt_request->ttl = TTL; + tt_request->header.ttl = TTL; tt_request->ttvn = ttvn; tt_request->tt_data = tt_crc; tt_request->flags = TT_REQUEST; @@ -1150,8 +1134,9 @@ static int send_tt_request(struct bat_priv *bat_priv, if (!neigh_node) goto out; - bat_dbg(DBG_TT, bat_priv, "Sending TT_REQUEST to %pM via %pM " - "[%c]\n", dst_orig_node->orig, neigh_node->addr, + bat_dbg(DBG_TT, bat_priv, + "Sending TT_REQUEST to %pM via %pM [%c]\n", + dst_orig_node->orig, neigh_node->addr, (full_table ? 'F' : '.')); send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); @@ -1188,9 +1173,8 @@ static bool send_other_tt_response(struct bat_priv *bat_priv, struct tt_query_packet *tt_response; bat_dbg(DBG_TT, bat_priv, - "Received TT_REQUEST from %pM for " - "ttvn: %u (%pM) [%c]\n", tt_request->src, - tt_request->ttvn, tt_request->dst, + "Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n", + tt_request->src, tt_request->ttvn, tt_request->dst, (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); /* Let's get the orig node of the REAL destination */ @@ -1264,9 +1248,9 @@ static bool send_other_tt_response(struct bat_priv *bat_priv, tt_response = (struct tt_query_packet *)skb->data; } - tt_response->packet_type = BAT_TT_QUERY; - tt_response->version = COMPAT_VERSION; - tt_response->ttl = TTL; + tt_response->header.packet_type = BAT_TT_QUERY; + tt_response->header.version = COMPAT_VERSION; + tt_response->header.ttl = TTL; memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN); memcpy(tt_response->dst, tt_request->src, ETH_ALEN); tt_response->flags = TT_RESPONSE; @@ -1315,9 +1299,8 @@ static bool send_my_tt_response(struct bat_priv *bat_priv, struct tt_query_packet *tt_response; bat_dbg(DBG_TT, bat_priv, - "Received TT_REQUEST from %pM for " - "ttvn: %u (me) [%c]\n", tt_request->src, - tt_request->ttvn, + "Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n", + tt_request->src, tt_request->ttvn, (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); @@ -1381,9 +1364,9 @@ static bool send_my_tt_response(struct bat_priv *bat_priv, tt_response = (struct tt_query_packet *)skb->data; } - tt_response->packet_type = BAT_TT_QUERY; - tt_response->version = COMPAT_VERSION; - tt_response->ttl = TTL; + tt_response->header.packet_type = BAT_TT_QUERY; + tt_response->header.version = COMPAT_VERSION; + tt_response->header.ttl = TTL; memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(tt_response->dst, tt_request->src, ETH_ALEN); tt_response->flags = TT_RESPONSE; @@ -1450,6 +1433,7 @@ static void _tt_update_changes(struct bat_priv *bat_priv, */ return; } + orig_node->tt_initialised = true; } static void tt_fill_gtable(struct bat_priv *bat_priv, @@ -1519,10 +1503,9 @@ void handle_tt_response(struct bat_priv *bat_priv, struct tt_req_node *node, *safe; struct orig_node *orig_node = NULL; - bat_dbg(DBG_TT, bat_priv, "Received TT_RESPONSE from %pM for " - "ttvn %d t_size: %d [%c]\n", - tt_response->src, tt_response->ttvn, - tt_response->tt_data, + bat_dbg(DBG_TT, bat_priv, + "Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n", + tt_response->src, tt_response->ttvn, tt_response->tt_data, (tt_response->flags & TT_FULL_TABLE ? 'F' : '.')); orig_node = orig_hash_find(bat_priv, tt_response->src); @@ -1589,8 +1572,7 @@ static void tt_roam_purge(struct bat_priv *bat_priv) spin_lock_bh(&bat_priv->tt_roam_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) { - if (!is_out_of_time(node->first_time, - ROAMING_MAX_TIME * 1000)) + if (!has_timed_out(node->first_time, ROAMING_MAX_TIME)) continue; list_del(&node->list); @@ -1617,8 +1599,7 @@ static bool tt_check_roam_count(struct bat_priv *bat_priv, if (!compare_eth(tt_roam_node->addr, client)) continue; - if (is_out_of_time(tt_roam_node->first_time, - ROAMING_MAX_TIME * 1000)) + if (has_timed_out(tt_roam_node->first_time, ROAMING_MAX_TIME)) continue; if (!atomic_dec_not_zero(&tt_roam_node->counter)) @@ -1669,9 +1650,9 @@ void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, roam_adv_packet = (struct roam_adv_packet *)skb_put(skb, sizeof(struct roam_adv_packet)); - roam_adv_packet->packet_type = BAT_ROAM_ADV; - roam_adv_packet->version = COMPAT_VERSION; - roam_adv_packet->ttl = TTL; + roam_adv_packet->header.packet_type = BAT_ROAM_ADV; + roam_adv_packet->header.version = COMPAT_VERSION; + roam_adv_packet->header.ttl = TTL; primary_if = primary_if_get_selected(bat_priv); if (!primary_if) goto out; @@ -1788,8 +1769,9 @@ static void tt_local_purge_pending_clients(struct bat_priv *bat_priv) if (!(tt_common_entry->flags & TT_CLIENT_PENDING)) continue; - bat_dbg(DBG_TT, bat_priv, "Deleting local tt entry " - "(%pM): pending\n", tt_common_entry->addr); + bat_dbg(DBG_TT, bat_priv, + "Deleting local tt entry (%pM): pending\n", + tt_common_entry->addr); atomic_dec(&bat_priv->num_local_tt); hlist_del_rcu(node); @@ -1854,8 +1836,10 @@ void tt_update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node, uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); bool full_table = true; - /* the ttvn increased by one -> we can apply the attached changes */ - if (ttvn - orig_ttvn == 1) { + /* orig table not initialised AND first diff is in the OGM OR the ttvn + * increased by one -> we can apply the attached changes */ + if ((!orig_node->tt_initialised && ttvn == 1) || + ttvn - orig_ttvn == 1) { /* the OGM could not contain the changes due to their size or * because they have already been sent TT_OGM_APPEND_MAX times. * In this case send a tt request */ @@ -1889,14 +1873,13 @@ void tt_update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node, } else { /* if we missed more than one change or our tables are not * in sync anymore -> request fresh tt data */ - if (ttvn != orig_ttvn || orig_node->tt_crc != tt_crc) { + if (!orig_node->tt_initialised || ttvn != orig_ttvn || + orig_node->tt_crc != tt_crc) { request_table: - bat_dbg(DBG_TT, bat_priv, "TT inconsistency for %pM. " - "Need to retrieve the correct information " - "(ttvn: %u last_ttvn: %u crc: %u last_crc: " - "%u num_changes: %u)\n", orig_node->orig, ttvn, - orig_ttvn, tt_crc, orig_node->tt_crc, - tt_num_changes); + bat_dbg(DBG_TT, bat_priv, + "TT inconsistency for %pM. Need to retrieve the correct information (ttvn: %u last_ttvn: %u crc: %u last_crc: %u num_changes: %u)\n", + orig_node->orig, ttvn, orig_ttvn, tt_crc, + orig_node->tt_crc, tt_num_changes); send_tt_request(bat_priv, orig_node, ttvn, tt_crc, full_table); return; diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h index 30efd49881a3..c753633b1da1 100644 --- a/net/batman-adv/translation-table.h +++ b/net/batman-adv/translation-table.h @@ -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 * diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index e9eb043719ac..302efb523475 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -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 * @@ -81,6 +81,7 @@ struct orig_node { int16_t tt_buff_len; spinlock_t tt_buff_lock; /* protects tt_buff */ atomic_t tt_size; + bool tt_initialised; /* The tt_poss_change flag is used to detect an ongoing roaming phase. * If true, then I sent a Roaming_adv to this orig_node and I have to * inspect every packet directed to it to check whether it is still @@ -205,6 +206,7 @@ struct bat_priv { atomic_t gw_reselect; struct hard_iface __rcu *primary_if; /* rcu protected pointer */ struct vis_info *my_vis_info; + struct bat_algo_ops *bat_algo_ops; }; struct socket_client { @@ -343,4 +345,23 @@ struct softif_neigh { struct rcu_head rcu; }; +struct bat_algo_ops { + struct hlist_node list; + char *name; + /* init OGM when hard-interface is enabled */ + void (*bat_ogm_init)(struct hard_iface *hard_iface); + /* init primary OGM when primary interface is selected */ + void (*bat_ogm_init_primary)(struct hard_iface *hard_iface); + /* init mac addresses of the OGM belonging to this hard-interface */ + void (*bat_ogm_update_mac)(struct hard_iface *hard_iface); + /* prepare a new outgoing OGM for the send queue */ + void (*bat_ogm_schedule)(struct hard_iface *hard_iface, + int tt_num_changes); + /* send scheduled OGM */ + void (*bat_ogm_emit)(struct forw_packet *forw_packet); + /* receive incoming OGM */ + void (*bat_ogm_receive)(struct hard_iface *if_incoming, + struct sk_buff *skb); +}; + #endif /* _NET_BATMAN_ADV_TYPES_H_ */ diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index 07d1c1da89dd..676f6a626b2c 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Andreas Langer * @@ -66,8 +66,8 @@ static struct sk_buff *frag_merge_packet(struct list_head *head, kfree_skb(tmp_skb); memmove(skb->data + uni_diff, skb->data, hdr_len); - unicast_packet = (struct unicast_packet *) skb_pull(skb, uni_diff); - unicast_packet->packet_type = BAT_UNICAST; + unicast_packet = (struct unicast_packet *)skb_pull(skb, uni_diff); + unicast_packet->header.packet_type = BAT_UNICAST; return skb; @@ -238,7 +238,7 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, goto dropped; skb_reserve(frag_skb, ucf_hdr_len); - unicast_packet = (struct unicast_packet *) skb->data; + unicast_packet = (struct unicast_packet *)skb->data; memcpy(&tmp_uc, unicast_packet, uc_hdr_len); skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len); @@ -251,9 +251,9 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, memcpy(frag1, &tmp_uc, sizeof(tmp_uc)); - frag1->ttl--; - frag1->version = COMPAT_VERSION; - frag1->packet_type = BAT_UNICAST_FRAG; + frag1->header.ttl--; + frag1->header.version = COMPAT_VERSION; + frag1->header.packet_type = BAT_UNICAST_FRAG; memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(frag2, frag1, sizeof(*frag2)); @@ -320,11 +320,11 @@ find_router: unicast_packet = (struct unicast_packet *)skb->data; - unicast_packet->version = COMPAT_VERSION; + unicast_packet->header.version = COMPAT_VERSION; /* batman packet type: unicast */ - unicast_packet->packet_type = BAT_UNICAST; + unicast_packet->header.packet_type = BAT_UNICAST; /* set unicast ttl */ - unicast_packet->ttl = TTL; + unicast_packet->header.ttl = TTL; /* copy the destination for faster routing */ memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN); /* set the destination tt version number */ @@ -335,7 +335,7 @@ find_router: data_len + sizeof(*unicast_packet) > neigh_node->if_incoming->net_dev->mtu) { /* send frag skb decreases ttl */ - unicast_packet->ttl++; + unicast_packet->header.ttl++; ret = frag_send_skb(skb, bat_priv, neigh_node->if_incoming, neigh_node->addr); goto out; diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h index 8fd5535544b9..a9faf6b1db19 100644 --- a/net/batman-adv/unicast.h +++ b/net/batman-adv/unicast.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: * * Andreas Langer * diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index cc3b9f2f3b5d..c4a5b8cafada 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2008-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich * @@ -617,7 +617,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv) packet->vis_type = atomic_read(&bat_priv->vis_mode); memcpy(packet->target_orig, broadcast_addr, ETH_ALEN); - packet->ttl = TTL; + packet->header.ttl = TTL; packet->seqno = htonl(ntohl(packet->seqno) + 1); packet->entries = 0; skb_trim(info->skb_packet, sizeof(*packet)); @@ -714,8 +714,7 @@ static void purge_vis_packets(struct bat_priv *bat_priv) if (info == bat_priv->my_vis_info) continue; - if (time_after(jiffies, - info->first_seen + VIS_TIMEOUT * HZ)) { + if (has_timed_out(info->first_seen, VIS_TIMEOUT)) { hlist_del(node); send_list_del(info); kref_put(&info->refcount, free_info); @@ -818,19 +817,19 @@ static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info) goto out; packet = (struct vis_packet *)info->skb_packet->data; - if (packet->ttl < 2) { + if (packet->header.ttl < 2) { pr_debug("Error - can't send vis packet: ttl exceeded\n"); goto out; } memcpy(packet->sender_orig, primary_if->net_dev->dev_addr, ETH_ALEN); - packet->ttl--; + packet->header.ttl--; if (is_broadcast_ether_addr(packet->target_orig)) broadcast_vis_packet(bat_priv, info); else unicast_vis_packet(bat_priv, info); - packet->ttl++; /* restore TTL */ + packet->header.ttl++; /* restore TTL */ out: if (primary_if) @@ -910,9 +909,9 @@ int vis_init(struct bat_priv *bat_priv) INIT_LIST_HEAD(&bat_priv->my_vis_info->send_list); kref_init(&bat_priv->my_vis_info->refcount); bat_priv->my_vis_info->bat_priv = bat_priv; - packet->version = COMPAT_VERSION; - packet->packet_type = BAT_VIS; - packet->ttl = TTL; + packet->header.version = COMPAT_VERSION; + packet->header.packet_type = BAT_VIS; + packet->header.ttl = TTL; packet->seqno = 0; packet->entries = 0; diff --git a/net/batman-adv/vis.h b/net/batman-adv/vis.h index 31b820d07f23..ee2e46e5347b 100644 --- a/net/batman-adv/vis.h +++ b/net/batman-adv/vis.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008-2011 B.A.T.M.A.N. contributors: + * Copyright (C) 2008-2012 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * @@ -22,7 +22,8 @@ #ifndef _NET_BATMAN_ADV_VIS_H_ #define _NET_BATMAN_ADV_VIS_H_ -#define VIS_TIMEOUT 200 /* timeout of vis packets in seconds */ +#define VIS_TIMEOUT 200000 /* timeout of vis packets + * in miliseconds */ int vis_seq_print_text(struct seq_file *seq, void *offset); void receive_server_sync_packet(struct bat_priv *bat_priv, |
