From: Marek Lindner <lindner_marek@yahoo.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Cc: Marek Lindner <lindner_marek@yahoo.de>
Subject: [B.A.T.M.A.N.] [PATCH 2/9] batman-adv: convert neighbor list to hlist
Date: Mon, 29 Nov 2010 18:00:25 +0100 [thread overview]
Message-ID: <1291050032-20169-2-git-send-email-lindner_marek@yahoo.de> (raw)
In-Reply-To: <201011291800.02971.lindner_marek@yahoo.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
---
batman-adv/originator.c | 28 +++++++++++++++-------------
batman-adv/routing.c | 29 ++++++++++++++++++-----------
batman-adv/types.h | 4 ++--
3 files changed, 35 insertions(+), 26 deletions(-)
diff --git a/batman-adv/originator.c b/batman-adv/originator.c
index 9aff835..dbc0dd1 100644
--- a/batman-adv/originator.c
+++ b/batman-adv/originator.c
@@ -82,29 +82,28 @@ struct neigh_node *create_neighbor(struct orig_node *orig_node,
if (!neigh_node)
return NULL;
- INIT_LIST_HEAD(&neigh_node->list);
+ INIT_HLIST_NODE(&neigh_node->list);
memcpy(neigh_node->addr, neigh, ETH_ALEN);
neigh_node->orig_node = orig_neigh_node;
neigh_node->if_incoming = if_incoming;
kref_init(&neigh_node->refcount);
- list_add_tail(&neigh_node->list, &orig_node->neigh_list);
+ hlist_add_head(&neigh_node->list, &orig_node->neigh_list);
return neigh_node;
}
static void free_orig_node(void *data, void *arg)
{
- struct list_head *list_pos, *list_pos_tmp;
+ struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node;
struct orig_node *orig_node = (struct orig_node *)data;
struct bat_priv *bat_priv = (struct bat_priv *)arg;
/* for all neighbors towards this originator ... */
- list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
- neigh_node = list_entry(list_pos, struct neigh_node, list);
-
- list_del(list_pos);
+ hlist_for_each_entry_safe(neigh_node, node, node_tmp,
+ &orig_node->neigh_list, list) {
+ hlist_del(&neigh_node->list);
kref_put(&neigh_node->refcount, neigh_node_free_ref);
}
@@ -152,7 +151,7 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
if (!orig_node)
return NULL;
- INIT_LIST_HEAD(&orig_node->neigh_list);
+ INIT_HLIST_HEAD(&orig_node->neigh_list);
memcpy(orig_node->orig, addr, ETH_ALEN);
orig_node->router = NULL;
@@ -207,15 +206,15 @@ static bool purge_orig_neighbors(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct neigh_node **best_neigh_node)
{
- struct list_head *list_pos, *list_pos_tmp;
+ struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node;
bool neigh_purged = false;
*best_neigh_node = NULL;
/* for all neighbors towards this originator ... */
- list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
- neigh_node = list_entry(list_pos, struct neigh_node, list);
+ 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)) ||
@@ -237,7 +236,8 @@ static bool purge_orig_neighbors(struct bat_priv *bat_priv,
(neigh_node->last_valid / HZ));
neigh_purged = true;
- list_del(list_pos);
+
+ hlist_del(&neigh_node->list);
kref_put(&neigh_node->refcount, neigh_node_free_ref);
} else {
if ((*best_neigh_node == NULL) ||
@@ -328,6 +328,7 @@ void purge_orig_ref(struct bat_priv *bat_priv)
int orig_seq_print_text(struct seq_file *seq, void *offset)
{
HASHIT(hashit);
+ struct hlist_node *node;
struct element_t *bucket;
struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
@@ -379,7 +380,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset)
orig_node->router->tq_avg, orig_node->router->addr,
orig_node->router->if_incoming->net_dev->name);
- list_for_each_entry(neigh_node, &orig_node->neigh_list, list) {
+ hlist_for_each_entry(neigh_node, node,
+ &orig_node->neigh_list, list) {
seq_printf(seq, " %pM (%3i)", neigh_node->addr,
neigh_node->tq_avg);
}
diff --git a/batman-adv/routing.c b/batman-adv/routing.c
index 3afedb9..102fc28 100644
--- a/batman-adv/routing.c
+++ b/batman-adv/routing.c
@@ -142,12 +142,12 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
+ struct hlist_node *node;
unsigned char total_count;
if (orig_node == orig_neigh_node) {
- list_for_each_entry(tmp_neigh_node,
- &orig_node->neigh_list,
- list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_node->neigh_list, list) {
if (compare_orig(tmp_neigh_node->addr,
orig_neigh_node->orig) &&
@@ -167,8 +167,8 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
neigh_node->last_valid = jiffies;
} else {
/* find packet count of corresponding one hop neighbor */
- list_for_each_entry(tmp_neigh_node,
- &orig_neigh_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_neigh_node->neigh_list, list) {
if (compare_orig(tmp_neigh_node->addr,
orig_neigh_node->orig) &&
@@ -253,12 +253,14 @@ static void update_orig(struct bat_priv *bat_priv,
char is_duplicate)
{
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
+ struct hlist_node *node;
int tmp_hna_buff_len;
bat_dbg(DBG_BATMAN, bat_priv, "update_originator(): "
"Searching and updating originator entry of received packet\n");
- list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_node->neigh_list, list) {
if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
(tmp_neigh_node->if_incoming == if_incoming)) {
neigh_node = tmp_neigh_node;
@@ -384,6 +386,7 @@ static char count_real_packets(struct ethhdr *ethhdr,
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct orig_node *orig_node;
struct neigh_node *tmp_neigh_node;
+ struct hlist_node *node;
char is_duplicate = 0;
int32_t seq_diff;
int need_update = 0;
@@ -400,7 +403,8 @@ static char count_real_packets(struct ethhdr *ethhdr,
&orig_node->batman_seqno_reset))
return -1;
- list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_node->neigh_list, list) {
is_duplicate |= get_bit_status(tmp_neigh_node->real_bits,
orig_node->last_real_seqno,
@@ -452,6 +456,7 @@ void update_bonding_candidates(struct bat_priv *bat_priv,
int candidates;
int interference_candidate;
int best_tq;
+ struct hlist_node *node, *node2;
struct neigh_node *tmp_neigh_node, *tmp_neigh_node2;
struct neigh_node *first_candidate, *last_candidate;
@@ -471,13 +476,15 @@ void update_bonding_candidates(struct bat_priv *bat_priv,
* as "bonding partner" */
/* first, zero the list */
- list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_node->neigh_list, list) {
tmp_neigh_node->next_bond_candidate = NULL;
}
first_candidate = NULL;
last_candidate = NULL;
- list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node, node,
+ &orig_node->neigh_list, list) {
/* only consider if it has the same primary address ... */
if (memcmp(orig_node->orig,
@@ -494,8 +501,8 @@ void update_bonding_candidates(struct bat_priv *bat_priv,
* select this candidate because of possible interference. */
interference_candidate = 0;
- list_for_each_entry(tmp_neigh_node2,
- &orig_node->neigh_list, list) {
+ hlist_for_each_entry(tmp_neigh_node2, node2,
+ &orig_node->neigh_list, list) {
if (tmp_neigh_node2 == tmp_neigh_node)
continue;
diff --git a/batman-adv/types.h b/batman-adv/types.h
index c1accbf..1ce91f6 100644
--- a/batman-adv/types.h
+++ b/batman-adv/types.h
@@ -83,7 +83,7 @@ struct orig_node {
uint8_t last_ttl;
TYPE_OF_WORD bcast_bits[NUM_WORDS];
uint32_t last_bcast_seqno;
- struct list_head neigh_list;
+ struct hlist_head neigh_list;
struct list_head frag_list;
unsigned long last_frag_packet;
struct {
@@ -105,7 +105,7 @@ struct gw_node {
* @last_valid: when last packet via this neighbor was received
*/
struct neigh_node {
- struct list_head list;
+ struct hlist_node list;
uint8_t addr[ETH_ALEN];
uint8_t real_packet_count;
uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
--
1.7.2.3
next prev parent reply other threads:[~2010-11-29 17:00 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 17:00 [B.A.T.M.A.N.] performance patches (v2) Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 1/9] batman-adv: protect neighbor nodes with reference counters Marek Lindner
2010-11-29 17:00 ` Marek Lindner [this message]
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 3/9] batman-adv: protect neighbor list with rcu locks Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 4/9] batman-adv: remove hash resize functions Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 5/9] batman-adv: protect each hash row with rcu locks Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 6/9] batman-adv: protect originator nodes with reference counters Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 7/9] batman-adv: replace orig_hash hash_iterate() with individual functions Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 8/9] batman-adv: protect ogm counter arrays with spinlock Marek Lindner
2010-11-29 17:00 ` [B.A.T.M.A.N.] [PATCH 9/9] batman-adv: remove orig_hash spinlock Marek Lindner
2010-12-04 19:42 ` [B.A.T.M.A.N.] performance patches (v2) Sven Eckelmann
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 1/9] batman-adv: remove hash resize functions Sven Eckelmann
2010-12-12 20:32 ` Marek Lindner
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 2/9] batman-adv: Remove hash_iterate Sven Eckelmann
2010-12-12 20:33 ` Marek Lindner
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 3/9] batman-adv: protect neighbor nodes with reference counters Sven Eckelmann
2010-12-12 21:55 ` Marek Lindner
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 4/9] batman-adv: convert neighbor list to hlist Sven Eckelmann
2010-12-12 21:56 ` Marek Lindner
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 5/9] batman-adv: protect neighbor list with rcu locks Sven Eckelmann
2010-12-12 21:57 ` Marek Lindner
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 6/9] batman-adv: protect each hash row " Sven Eckelmann
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 7/9] batman-adv: protect originator nodes with reference counters Sven Eckelmann
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 8/9] batman-adv: protect ogm counter arrays with spinlock Sven Eckelmann
2010-12-04 20:03 ` [B.A.T.M.A.N.] [PATCH 9/9] batman-adv: remove orig_hash spinlock Sven Eckelmann
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