Return-path: Received: from mail-qg0-f65.google.com ([209.85.192.65]:34535 "EHLO mail-qg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752020AbcB2BEI (ORCPT ); Sun, 28 Feb 2016 20:04:08 -0500 Received: by mail-qg0-f65.google.com with SMTP id e61so9657236qgf.1 for ; Sun, 28 Feb 2016 17:04:07 -0800 (PST) From: Bob Copeland To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Bob Copeland Subject: [PATCH 3/4] mesh: factor out common mesh path allocation code Date: Sun, 28 Feb 2016 20:03:58 -0500 Message-Id: <1456707839-19469-3-git-send-email-me@bobcopeland.com> (sfid-20160229_020421_083951_2264DDE6) In-Reply-To: <1456707839-19469-1-git-send-email-me@bobcopeland.com> References: <1456707839-19469-1-git-send-email-me@bobcopeland.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Remove duplicate code to allocate and initialize a mesh path or mesh proxy path. Signed-off-by: Bob Copeland --- net/mac80211/mesh_pathtbl.c | 51 +++++++++++++++++++++++++-------------------- 1 file changed, 28 insertions(+), 23 deletions(-) diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index fc3cc350df8c..4794240e8f94 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -501,6 +501,31 @@ int mesh_gate_num(struct ieee80211_sub_if_data *sdata) return sdata->u.mesh.num_gates; } +static +struct mesh_path *mesh_path_new(struct ieee80211_sub_if_data *sdata, + const u8 *dst, gfp_t gfp_flags) +{ + struct mesh_path *new_mpath; + + new_mpath = kzalloc(sizeof(struct mesh_path), gfp_flags); + if (!new_mpath) + return NULL; + + memcpy(new_mpath->dst, dst, ETH_ALEN); + eth_broadcast_addr(new_mpath->rann_snd_addr); + new_mpath->is_root = false; + new_mpath->sdata = sdata; + new_mpath->flags = 0; + skb_queue_head_init(&new_mpath->frame_queue); + new_mpath->timer.data = (unsigned long) new_mpath; + new_mpath->timer.function = mesh_path_timer; + new_mpath->exp_time = jiffies; + spin_lock_init(&new_mpath->state_lock); + init_timer(&new_mpath->timer); + + return new_mpath; +} + /** * mesh_path_add - allocate and add a new path to the mesh path table * @dst: destination address of the path (ETH_ALEN length) @@ -548,7 +573,7 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata, } err = -ENOMEM; - new_mpath = kzalloc(sizeof(struct mesh_path), GFP_ATOMIC); + new_mpath = mesh_path_new(sdata, dst, GFP_ATOMIC); if (!new_mpath) goto err_path_alloc; @@ -556,19 +581,7 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata, if (!new_node) goto err_node_alloc; - memcpy(new_mpath->dst, dst, ETH_ALEN); - eth_broadcast_addr(new_mpath->rann_snd_addr); - new_mpath->is_root = false; - new_mpath->sdata = sdata; - new_mpath->flags = 0; - skb_queue_head_init(&new_mpath->frame_queue); new_node->mpath = new_mpath; - new_mpath->timer.data = (unsigned long) new_mpath; - new_mpath->timer.function = mesh_path_timer; - new_mpath->exp_time = jiffies; - spin_lock_init(&new_mpath->state_lock); - init_timer(&new_mpath->timer); - hlist_add_head_rcu(&new_node->list, bucket); if (atomic_inc_return(&tbl->entries) >= MEAN_CHAIN_LEN * (tbl->hash_mask + 1)) @@ -664,7 +677,7 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata, return -ENOTSUPP; err = -ENOMEM; - new_mpath = kzalloc(sizeof(struct mesh_path), GFP_ATOMIC); + new_mpath = mesh_path_new(sdata, dst, GFP_ATOMIC); if (!new_mpath) goto err_path_alloc; @@ -672,17 +685,9 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata, if (!new_node) goto err_node_alloc; - read_lock_bh(&sdata->u.mesh.pathtbl_resize_lock); - memcpy(new_mpath->dst, dst, ETH_ALEN); memcpy(new_mpath->mpp, mpp, ETH_ALEN); - new_mpath->sdata = sdata; - new_mpath->flags = 0; - skb_queue_head_init(&new_mpath->frame_queue); new_node->mpath = new_mpath; - init_timer(&new_mpath->timer); - new_mpath->exp_time = jiffies; - spin_lock_init(&new_mpath->state_lock); - + read_lock_bh(&sdata->u.mesh.pathtbl_resize_lock); tbl = resize_dereference_mpp_paths(sdata); hash_idx = mesh_table_hash(dst, tbl); -- 2.6.1