From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Antonio Quartulli Date: Thu, 7 Jul 2011 15:25:05 +0200 Message-Id: <1310045106-23202-4-git-send-email-ordex@autistici.org> In-Reply-To: <1310045106-23202-1-git-send-email-ordex@autistici.org> References: <1310045106-23202-1-git-send-email-ordex@autistici.org> Subject: [B.A.T.M.A.N.] [PATCHv3 3/4] batman-adv: keep global table consistency in case of roaming 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: , To: "B.A.T.M.A.N" To keep consistency of other originator tables, new clients detected as roamed, are kept in the global table but are marked as TT_CLIENT_PENDING They are purged only when the new ttvn is received by the corresponding originator. Moreover they need to be considered as removed in case of global transtable lookup. Signed-off-by: Antonio Quartulli --- translation-table.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/translation-table.c b/translation-table.c index 7cc67c0..fb6931d 100644 --- a/translation-table.c +++ b/translation-table.c @@ -230,8 +230,9 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr) if (tt_global_entry) { /* This node is probably going to update its tt table */ tt_global_entry->orig_node->tt_poss_change = true; - _tt_global_del(bat_priv, tt_global_entry, - "local tt received"); + /* The global entry has to be marked as PENDING and has to be + * kept for consistency purpose */ + tt_global_entry->flags |= TT_CLIENT_PENDING; send_roam_adv(bat_priv, tt_global_entry->addr, tt_global_entry->orig_node); } @@ -787,6 +788,11 @@ struct orig_node *transtable_search(struct bat_priv *bat_priv, if (!atomic_inc_not_zero(&tt_global_entry->orig_node->refcount)) goto free_tt; + /* A global client marked as PENDING has already moved from that + * originator */ + if (tt_global_entry->flags & TT_CLIENT_PENDING) + goto free_tt; + orig_node = tt_global_entry->orig_node; free_tt: -- 1.7.3.4