From patchwork Sat Dec 4 20:03:43 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sven Eckelmann X-Patchwork-Id: 583 Return-Path: Received: from mail.gmx.net (mailout-de.gmx.net [213.165.64.22]) by open-mesh.org (Postfix) with SMTP id 79A2A1545DD for ; Sat, 4 Dec 2010 21:02:59 +0100 (CET) Received: (qmail invoked by alias); 04 Dec 2010 20:02:58 -0000 Received: from i59F6C8C4.versanet.de (EHLO sven-desktop.lazhur.ath.cx) [89.246.200.196] by mail.gmx.net (mp018) with SMTP; 04 Dec 2010 21:02:58 +0100 X-Authenticated: #15668376 X-Provags-ID: V01U2FsdGVkX187bogSeeY7fmot04mxRcPfiVWCZQ8aLI3axtpprM knDiezJlxvcCiD From: Sven Eckelmann To: b.a.t.m.a.n@lists.open-mesh.org Date: Sat, 4 Dec 2010 21:03:43 +0100 Message-Id: <1291493028-29957-4-git-send-email-sven.eckelmann@gmx.de> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <201012042042.16056.sven.eckelmann@gmx.de> References: <201012042042.16056.sven.eckelmann@gmx.de> X-Y-GMX-Trusted: 0 Cc: Marek Lindner Subject: [B.A.T.M.A.N.] [PATCH 4/9] batman-adv: convert neighbor list to hlist X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Dec 2010 20:02:59 -0000 From: Marek Lindner Signed-off-by: Marek Lindner --- batman-adv/originator.c | 30 +++++++++++++++--------------- batman-adv/routing.c | 29 ++++++++++++++++++----------- batman-adv/types.h | 4 ++-- 3 files changed, 35 insertions(+), 28 deletions(-) diff --git a/batman-adv/originator.c b/batman-adv/originator.c index cc778ea..1df73e3 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); } @@ -151,7 +150,7 @@ 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; @@ -195,15 +194,15 @@ 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)) || @@ -225,7 +224,8 @@ 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) || @@ -328,7 +328,7 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) struct net_device *net_dev = (struct net_device *)seq->private; struct bat_priv *bat_priv = netdev_priv(net_dev); struct hashtable_t *hash = bat_priv->orig_hash; - struct hlist_node *walk; + struct hlist_node *walk, *node; struct hlist_head *head; struct element_t *bucket; struct orig_node *orig_node; @@ -384,8 +384,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) neigh_node->addr, neigh_node->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 014413e..773c1ba 100644 --- a/batman-adv/routing.c +++ b/batman-adv/routing.c @@ -150,12 +150,12 @@ 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) && @@ -175,8 +175,8 @@ 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) && @@ -261,12 +261,14 @@ 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; @@ -392,6 +394,7 @@ 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; @@ -408,7 +411,8 @@ 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, @@ -460,6 +464,7 @@ 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; @@ -479,13 +484,15 @@ 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, @@ -502,8 +509,8 @@ 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];