diff options
| author | David S. Miller <davem@davemloft.net> | 2011-12-16 02:11:14 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-16 02:11:14 -0500 |
| commit | b26e478f8fd5b575684f021b05a5c6236ebb911a (patch) | |
| tree | 27d3b3eaf3fe10d05319ad3395b2569ad5f8f6d0 /net/batman-adv | |
| parent | bcebcc468a6bcd3820fe9ad36b34220563efc93a (diff) | |
| parent | bb3c36863e8001fc21a88bebfdead4da4c23e848 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/freescale/fsl_pq_mdio.c
net/batman-adv/translation-table.c
net/ipv6/route.c
Diffstat (limited to 'net/batman-adv')
| -rw-r--r-- | net/batman-adv/translation-table.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index cc87acf0243..46a2b3791d9 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -242,9 +242,10 @@ 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; - /* 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 */ tt_global_entry->common.flags |= TT_CLIENT_PENDING; + tt_global_entry->roam_at = jiffies; send_roam_adv(bat_priv, tt_global_entry->common.addr, tt_global_entry->orig_node); } @@ -661,6 +662,7 @@ void tt_global_del(struct bat_priv *bat_priv, const char *message, bool roaming) { 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); if (!tt_global_entry) @@ -668,15 +670,29 @@ void tt_global_del(struct bat_priv *bat_priv, if (tt_global_entry->orig_node == orig_node) { if (roaming) { - tt_global_entry->common.flags |= TT_CLIENT_ROAM; - tt_global_entry->roam_at = jiffies; - goto out; + /* if we are deleting a global entry due to a roam + * event, there are two possibilities: + * 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->common.addr); + if (!tt_local_entry) { + tt_global_entry->common.flags |= TT_CLIENT_ROAM; + tt_global_entry->roam_at = jiffies; + goto out; + } } _tt_global_del(bat_priv, tt_global_entry, message); } out: if (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, |