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Merge branch 'batman-adv/maint' of git://git.open-mesh.org/linux-merge

This commit is contained in:
David S. Miller 2011-12-07 15:06:33 -05:00
parent 28d8ea2d56 797399b415
commit 1af32f0fcf
1 changed files with 22 additions and 5 deletions
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27
net/batman-adv/translation-table.c
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@ -245,9 +245,11 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
if (tt_global_entry) { if (tt_global_entry) {
/* This node is probably going to update its tt table */ /* This node is probably going to update its tt table */
tt_global_entry->orig_node->tt_poss_change = true; tt_global_entry->orig_node->tt_poss_change = true;
/* The global entry has to be marked as PENDING and has to be /* The global entry has to be marked as ROAMING and has to be
* kept for consistency purpose */ * kept for consistency purpose */
tt_global_entry->flags |= TT_CLIENT_PENDING; tt_global_entry->flags |= TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
send_roam_adv(bat_priv, tt_global_entry->addr, send_roam_adv(bat_priv, tt_global_entry->addr,
tt_global_entry->orig_node); tt_global_entry->orig_node);
} }
@ -694,6 +696,7 @@ void tt_global_del(struct bat_priv *bat_priv,
const char *message, bool roaming) const char *message, bool roaming)
{ {
struct tt_global_entry *tt_global_entry = NULL; struct tt_global_entry *tt_global_entry = NULL;
struct tt_local_entry *tt_local_entry = NULL;
tt_global_entry = tt_global_hash_find(bat_priv, addr); tt_global_entry = tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry) if (!tt_global_entry)
@ -701,15 +704,29 @@ void tt_global_del(struct bat_priv *bat_priv,
if (tt_global_entry->orig_node == orig_node) { if (tt_global_entry->orig_node == orig_node) {
if (roaming) { if (roaming) {
tt_global_entry->flags |= TT_CLIENT_ROAM; /* if we are deleting a global entry due to a roam
tt_global_entry->roam_at = jiffies; * event, there are two possibilities:
goto out; * 1) the client roamed from node A to node B => we mark
* it with TT_CLIENT_ROAM, we start a timer and we
* wait for node B to claim it. In case of timeout
* the entry is purged.
* 2) the client roamed to us => we can directly delete
* the global entry, since it is useless now. */
tt_local_entry = tt_local_hash_find(bat_priv,
tt_global_entry->addr);
if (!tt_local_entry) {
tt_global_entry->flags |= TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
goto out;
}
} }
_tt_global_del(bat_priv, tt_global_entry, message); _tt_global_del(bat_priv, tt_global_entry, message);
} }
out: out:
if (tt_global_entry) if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry); tt_global_entry_free_ref(tt_global_entry);
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
} }
void tt_global_del_orig(struct bat_priv *bat_priv, void tt_global_del_orig(struct bat_priv *bat_priv,