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Commit a4412a68 authored by David S. Miller's avatar David S. Miller
Browse files

Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge 



Included changes:
- use per_cpu_add when possible
- prevent the TT component to add multicast address as "mesh clients"
- some debug output improvements
- proper lockdeps class initializations
- new style fixes (space before/after brackets)
- other minor fixes and refactoring

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents dd3332bf 0c430d0d

net/batman-adv/bat_iv_ogm.c

+1 −7
Original line number Diff line number Diff line
@@ -183,7 +183,6 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet, 
	/* adjust all flags and log packets */

	while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,

					 batadv_ogm_packet->tt_num_changes)) {



		/* we might have aggregated direct link packets with an

		 * ordinary base packet

		 */
@@ -261,7 +260,6 @@ static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet) 
	 */

	if ((directlink && (batadv_ogm_packet->header.ttl == 1)) ||

	    (forw_packet->own && (forw_packet->if_incoming != primary_if))) {



		/* FIXME: what about aggregated packets ? */

		batadv_dbg(BATADV_DBG_BATMAN, bat_priv,

			   "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n",
@@ -325,7 +323,6 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet, 
	if (time_before(send_time, forw_packet->send_time) &&

	    time_after_eq(aggregation_end_time, forw_packet->send_time) &&

	    (aggregated_bytes <= BATADV_MAX_AGGREGATION_BYTES)) {



		/* check aggregation compatibility

		 * -> direct link packets are broadcasted on

		 *    their interface only
@@ -815,7 +812,6 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, 
	rcu_read_lock();

	hlist_for_each_entry_rcu(tmp_neigh_node, node,

				 &orig_neigh_node->neigh_list, list) {



		if (!batadv_compare_eth(tmp_neigh_node->addr,

					orig_neigh_node->orig))

			continue;
@@ -949,7 +945,6 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, 
	rcu_read_lock();

	hlist_for_each_entry_rcu(tmp_neigh_node, node,

				 &orig_node->neigh_list, list) {



		is_duplicate |= batadv_test_bit(tmp_neigh_node->real_bits,

						orig_node->last_real_seqno,

						seqno);
@@ -1033,7 +1028,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, 
		is_single_hop_neigh = true;



	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,

		   "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, 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 %u, ttvn %u, crc %#.4x, changes %u, tq %d, TTL %d, V %d, IDF %d)\n",

		   ethhdr->h_source, if_incoming->net_dev->name,

		   if_incoming->net_dev->dev_addr, batadv_ogm_packet->orig,

		   batadv_ogm_packet->prev_sender,
@@ -1223,7 +1218,6 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, 


	/* is single hop (direct) neighbor */

	if (is_single_hop_neigh) {



		/* mark direct link on incoming interface */

		batadv_iv_ogm_forward(orig_node, ethhdr, batadv_ogm_packet,

				      is_single_hop_neigh,

net/batman-adv/bridge_loop_avoidance.c

+10 −14
Original line number Diff line number Diff line
@@ -57,7 +57,7 @@ static inline uint32_t batadv_choose_claim(const void *data, uint32_t size) 
static inline uint32_t batadv_choose_backbone_gw(const void *data,

						 uint32_t size)

{

	struct batadv_claim *claim = (struct batadv_claim *)data;

	const struct batadv_claim *claim = (struct batadv_claim *)data;

	uint32_t hash = 0;



	hash = batadv_hash_bytes(hash, &claim->addr, sizeof(claim->addr));
@@ -235,7 +235,6 @@ batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw) 
		spin_lock_bh(list_lock);

		hlist_for_each_entry_safe(claim, node, node_tmp,

					  head, hash_entry) {



			if (claim->backbone_gw != backbone_gw)

				continue;
@@ -338,7 +337,6 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac, 
			   "bla_send_claim(): REQUEST of %pM to %pMon vid %d\n",

			   ethhdr->h_source, ethhdr->h_dest, vid);

		break;



	}



	if (vid != -1)
@@ -539,7 +537,6 @@ static void batadv_bla_send_announce(struct batadv_priv *bat_priv, 


	batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,

			      BATADV_CLAIM_TYPE_ANNOUNCE);



}



/**
@@ -598,7 +595,6 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv, 


		claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);

		batadv_backbone_gw_free_ref(claim->backbone_gw);



	}

	/* set (new) backbone gw */

	atomic_inc(&backbone_gw->refcount);
@@ -661,12 +657,12 @@ static int batadv_handle_announce(struct batadv_priv *bat_priv, 
	crc = ntohs(*((__be16 *)(&an_addr[4])));



	batadv_dbg(BATADV_DBG_BLA, bat_priv,

		   "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n",

		   "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %#.4x\n",

		   vid, backbone_gw->orig, crc);



	if (backbone_gw->crc != crc) {

		batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,

			   "handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n",

			   "handle_announce(): CRC FAILED for %pM/%d (my = %#.4x, sent = %#.4x)\n",

			   backbone_gw->orig, backbone_gw->vid,

			   backbone_gw->crc, crc);
@@ -835,7 +831,7 @@ static int batadv_check_claim_group(struct batadv_priv *bat_priv, 
	/* if our mesh friends mac is bigger, use it for ourselves. */

	if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) {

		batadv_dbg(BATADV_DBG_BLA, bat_priv,

			   "taking other backbones claim group: %04x\n",

			   "taking other backbones claim group: %#.4x\n",

			   ntohs(bla_dst->group));

		bla_dst_own->group = bla_dst->group;

	}
@@ -1626,10 +1622,10 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) 


	primary_addr = primary_if->net_dev->dev_addr;

	seq_printf(seq,

		   "Claims announced for the mesh %s (orig %pM, group id %04x)\n",

		   "Claims announced for the mesh %s (orig %pM, group id %#.4x)\n",

		   net_dev->name, primary_addr,

		   ntohs(bat_priv->bla.claim_dest.group));

	seq_printf(seq, "   %-17s    %-5s    %-17s [o] (%-4s)\n",

	seq_printf(seq, "   %-17s    %-5s    %-17s [o] (%-6s)\n",

		   "Client", "VID", "Originator", "CRC");

	for (i = 0; i < hash->size; i++) {

		head = &hash->table[i];
@@ -1638,7 +1634,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) 
		hlist_for_each_entry_rcu(claim, node, head, hash_entry) {

			is_own = batadv_compare_eth(claim->backbone_gw->orig,

						    primary_addr);

			seq_printf(seq,	" * %pM on % 5d by %pM [%c] (%04x)\n",

			seq_printf(seq,	" * %pM on % 5d by %pM [%c] (%#.4x)\n",

				   claim->addr, claim->vid,

				   claim->backbone_gw->orig,

				   (is_own ? 'x' : ' '),
@@ -1672,10 +1668,10 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset) 


	primary_addr = primary_if->net_dev->dev_addr;

	seq_printf(seq,

		   "Backbones announced for the mesh %s (orig %pM, group id %04x)\n",

		   "Backbones announced for the mesh %s (orig %pM, group id %#.4x)\n",

		   net_dev->name, primary_addr,

		   ntohs(bat_priv->bla.claim_dest.group));

	seq_printf(seq, "   %-17s    %-5s %-9s (%-4s)\n",

	seq_printf(seq, "   %-17s    %-5s %-9s (%-6s)\n",

		   "Originator", "VID", "last seen", "CRC");

	for (i = 0; i < hash->size; i++) {

		head = &hash->table[i];
@@ -1693,7 +1689,7 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset) 
				continue;



			seq_printf(seq,

				   " * %pM on % 5d % 4i.%03is (%04x)\n",

				   " * %pM on % 5d % 4i.%03is (%#.4x)\n",

				   backbone_gw->orig, backbone_gw->vid,

				   secs, msecs, backbone_gw->crc);

		}

net/batman-adv/debugfs.c

+2 −6
Original line number Diff line number Diff line
@@ -164,7 +164,6 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf, 


		buf++;

		i++;



	}



	spin_unlock_bh(&debug_log->lock);
@@ -230,7 +229,6 @@ static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) 
#else /* CONFIG_BATMAN_ADV_DEBUG */

static int batadv_debug_log_setup(struct batadv_priv *bat_priv)

{

	bat_priv->debug_log = NULL;

	return 0;

}
@@ -397,11 +395,9 @@ void batadv_debugfs_init(void) 


void batadv_debugfs_destroy(void)

{

	if (batadv_debugfs) {

	debugfs_remove_recursive(batadv_debugfs);

	batadv_debugfs = NULL;

}

}



int batadv_debugfs_add_meshif(struct net_device *dev)

{

net/batman-adv/hash.h

+1 −1
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ static inline void batadv_hash_delete(struct batadv_hashtable *hash, 
 *

 *	Returns the new hash value.

 */

static inline uint32_t batadv_hash_bytes(uint32_t hash, void *data,

static inline uint32_t batadv_hash_bytes(uint32_t hash, const void *data,

					 uint32_t size)

{

	const unsigned char *key = data;

net/batman-adv/main.h

+2 −4
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@ 
 * -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE

 */

#define BATADV_PURGE_TIMEOUT 200000 /* 200 seconds */

#define BATADV_TT_LOCAL_TIMEOUT 3600000 /* in milliseconds */

#define BATADV_TT_LOCAL_TIMEOUT 600000 /* in milliseconds */

#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in milliseconds */

#define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000 /* in milliseconds */

#define BATADV_DAT_ENTRY_TIMEOUT (5*60000) /* 5 mins in milliseconds */
@@ -276,9 +276,7 @@ static inline bool batadv_has_timed_out(unsigned long timestamp, 
static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,

				      size_t count)

{

	int cpu = get_cpu();

	per_cpu_ptr(bat_priv->bat_counters, cpu)[idx] += count;

	put_cpu();

	this_cpu_add(bat_priv->bat_counters[idx], count);

}



#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)