From: Antonio Quartulli antonio@open-mesh.com
AP isolation has to be enabled on one VLAN interface only. This patch moves the AP isolation attribute to the per-vlan interface attribute set, enabling it to have a different value depending on the selected vlan.
Signed-off-by: Antonio Quartulli antonio@open-mesh.com --- soft-interface.c | 5 ++++- sysfs-class-net-mesh | 2 +- sysfs.c | 4 ++++ translation-table.c | 21 +++++++++++++++------ translation-table.h | 2 +- types.h | 2 ++ 6 files changed, 27 insertions(+), 9 deletions(-)
diff --git a/soft-interface.c b/soft-interface.c index e6679e2..17fa0f1 100644 --- a/soft-interface.c +++ b/soft-interface.c @@ -33,6 +33,7 @@ #include <linux/slab.h> #include <linux/ethtool.h> #include <linux/etherdevice.h> +#include <linux/netdevice.h> #include <linux/if_vlan.h> #include "bridge_loop_avoidance.h" #include "network-coding.h" @@ -360,7 +361,8 @@ void batadv_interface_rx(struct net_device *soft_iface, batadv_tt_add_temporary_global_entry(bat_priv, orig_node, ethhdr->h_source, vid);
- if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest)) + if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest, + vid)) goto dropped;
netif_rx(skb); @@ -398,6 +400,7 @@ static int batadv_softif_create_vlan(struct batadv_priv *bat_priv, batadv_tt_local_add(bat_priv->soft_iface, bat_priv->soft_iface->dev_addr, vid, BATADV_NULL_IFINDEX); + atomic_set(&vlan->ap_isolation, 0);
err = batadv_sysfs_add_vlan(bat_priv->soft_iface, vlan); if (err) diff --git a/sysfs-class-net-mesh b/sysfs-class-net-mesh index f00a69b..3b1dd13 100644 --- a/sysfs-class-net-mesh +++ b/sysfs-class-net-mesh @@ -6,7 +6,7 @@ Description: Indicates whether the batman protocol messages of the mesh <mesh_iface> shall be aggregated or not.
-What: /sys/class/net/<mesh_iface>/mesh/ap_isolation +What: /sys/class/net/<mesh_iface>/mesh/<vlan_subdir>/ap_isolation Date: May 2011 Contact: Antonio Quartulli ordex@autistici.org Description: diff --git a/sysfs.c b/sysfs.c index 03285dd..09a4031 100644 --- a/sysfs.c +++ b/sysfs.c @@ -469,10 +469,14 @@ static struct batadv_attribute *batadv_mesh_attrs[] = { NULL, };
+/* vlan attributes below */ +BATADV_ATTR_VLAN_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); + /** * batadv_vlan_attrs - array of vlan specific sysfs attributes */ static struct batadv_attribute *batadv_vlan_attrs[] = { + &batadv_attr_vlan_ap_isolation, NULL, };
diff --git a/translation-table.c b/translation-table.c index dd573b9..e600fea 100644 --- a/translation-table.c +++ b/translation-table.c @@ -1478,12 +1478,23 @@ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, const uint8_t *addr, unsigned short vid) { + bool ap_isolation_enabled = atomic_read(&bat_priv->ap_isolation); struct batadv_tt_local_entry *tt_local_entry = NULL; struct batadv_tt_global_entry *tt_global_entry = NULL; struct batadv_orig_node *orig_node = NULL; struct batadv_tt_orig_list_entry *best_entry; + struct batadv_softif_vlan *vlan;
- if (src && atomic_read(&bat_priv->ap_isolation)) { + /* if the AP isolation is requested on a VLAN, then check for the + * its setting in the proper VLAN private data structure + */ + vlan = batadv_softif_vlan_get(bat_priv, vid); + if (vlan) { + ap_isolation_enabled = atomic_read(&vlan->ap_isolation); + batadv_softif_vlan_free_ref(vlan); + } + + if (src && ap_isolation_enabled) { tt_local_entry = batadv_tt_local_hash_find(bat_priv, src, vid); if (!tt_local_entry || (tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING)) @@ -2546,7 +2557,7 @@ void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv) }
bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, - uint8_t *dst) + uint8_t *dst, unsigned short vid) { struct batadv_tt_local_entry *tt_local_entry = NULL; struct batadv_tt_global_entry *tt_global_entry = NULL; @@ -2555,13 +2566,11 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, if (!atomic_read(&bat_priv->ap_isolation)) goto out;
- tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst, - BATADV_NO_FLAGS); + tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst, vid); if (!tt_local_entry) goto out;
- tt_global_entry = batadv_tt_global_hash_find(bat_priv, src, - BATADV_NO_FLAGS); + tt_global_entry = batadv_tt_global_hash_find(bat_priv, src, vid); if (!tt_global_entry) goto out;
diff --git a/translation-table.h b/translation-table.h index 1d9506d..c6bf33c 100644 --- a/translation-table.h +++ b/translation-table.h @@ -39,7 +39,7 @@ void batadv_tt_free(struct batadv_priv *bat_priv); bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr, unsigned short vid); bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, - uint8_t *dst); + uint8_t *dst, unsigned short vid); void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv); bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, uint8_t *addr, unsigned short vid); diff --git a/types.h b/types.h index 9fdf2c2..ad8671d 100644 --- a/types.h +++ b/types.h @@ -534,6 +534,7 @@ struct batadv_priv_nc { * struct batadv_softif_vlan - per VLAN attributes set * @vid: VLAN identifier * @kobj: kobject for sysfs vlan subdirectory + * @ap_isolation: AP isolation state * @list: list node for bat_priv::softif_vlan_list * @refcount: number of context where this object is currently in use * @rcu: struct used for freeing in a RCU-safe manner @@ -541,6 +542,7 @@ struct batadv_priv_nc { struct batadv_softif_vlan { unsigned short vid; struct kobject *kobj; + atomic_t ap_isolation; /* boolean */ struct list_head list; atomic_t refcount; struct rcu_head rcu;