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Diffstat (limited to 'net/batman-adv/gateway_client.c')
-rw-r--r--net/batman-adv/gateway_client.c125
1 files changed, 64 insertions, 61 deletions
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 0d90fffd9efb..efe7519f1491 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -36,13 +36,13 @@
#define DHCP_OPTIONS_OFFSET 240
#define DHCP_REQUEST 3
-static void gw_node_free_ref(struct gw_node *gw_node)
+static void batadv_gw_node_free_ref(struct gw_node *gw_node)
{
if (atomic_dec_and_test(&gw_node->refcount))
kfree_rcu(gw_node, rcu);
}
-static struct gw_node *gw_get_selected_gw_node(struct bat_priv *bat_priv)
+static struct gw_node *batadv_gw_get_selected_gw_node(struct bat_priv *bat_priv)
{
struct gw_node *gw_node;
@@ -64,7 +64,7 @@ struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv)
struct gw_node *gw_node;
struct orig_node *orig_node = NULL;
- gw_node = gw_get_selected_gw_node(bat_priv);
+ gw_node = batadv_gw_get_selected_gw_node(bat_priv);
if (!gw_node)
goto out;
@@ -80,11 +80,12 @@ unlock:
rcu_read_unlock();
out:
if (gw_node)
- gw_node_free_ref(gw_node);
+ batadv_gw_node_free_ref(gw_node);
return orig_node;
}
-static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
+static void batadv_gw_select(struct bat_priv *bat_priv,
+ struct gw_node *new_gw_node)
{
struct gw_node *curr_gw_node;
@@ -97,7 +98,7 @@ static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
rcu_assign_pointer(bat_priv->curr_gw, new_gw_node);
if (curr_gw_node)
- gw_node_free_ref(curr_gw_node);
+ batadv_gw_node_free_ref(curr_gw_node);
spin_unlock_bh(&bat_priv->gw_list_lock);
}
@@ -107,7 +108,7 @@ void batadv_gw_deselect(struct bat_priv *bat_priv)
atomic_set(&bat_priv->gw_reselect, 1);
}
-static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
+static struct gw_node *batadv_gw_get_best_gw_node(struct bat_priv *bat_priv)
{
struct neigh_node *router;
struct hlist_node *node;
@@ -144,7 +145,7 @@ static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
((tmp_gw_factor == max_gw_factor) &&
(router->tq_avg > max_tq))) {
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
curr_gw = gw_node;
atomic_inc(&curr_gw->refcount);
}
@@ -159,7 +160,7 @@ static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
*/
if (router->tq_avg > max_tq) {
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
curr_gw = gw_node;
atomic_inc(&curr_gw->refcount);
}
@@ -172,7 +173,7 @@ static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
if (tmp_gw_factor > max_gw_factor)
max_gw_factor = tmp_gw_factor;
- gw_node_free_ref(gw_node);
+ batadv_gw_node_free_ref(gw_node);
next:
batadv_neigh_node_free_ref(router);
@@ -199,9 +200,9 @@ void batadv_gw_election(struct bat_priv *bat_priv)
if (!atomic_dec_not_zero(&bat_priv->gw_reselect))
goto out;
- curr_gw = gw_get_selected_gw_node(bat_priv);
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
- next_gw = gw_get_best_gw_node(bat_priv);
+ next_gw = batadv_gw_get_best_gw_node(bat_priv);
if (curr_gw == next_gw)
goto out;
@@ -217,30 +218,30 @@ void batadv_gw_election(struct bat_priv *bat_priv)
}
if ((curr_gw) && (!next_gw)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Removing selected gateway - no gateway in range\n");
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Removing selected gateway - no gateway in range\n");
batadv_throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
} else if ((!curr_gw) && (next_gw)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
- next_gw->orig_node->orig, next_gw->orig_node->gw_flags,
- router->tq_avg);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
+ next_gw->orig_node->orig,
+ next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
} else {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Changing route to gateway %pM (gw_flags: %i, tq: %i)\n",
- next_gw->orig_node->orig, next_gw->orig_node->gw_flags,
- router->tq_avg);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Changing route to gateway %pM (gw_flags: %i, tq: %i)\n",
+ next_gw->orig_node->orig,
+ next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
}
- gw_select(bat_priv, next_gw);
+ batadv_gw_select(bat_priv, next_gw);
out:
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
if (next_gw)
- gw_node_free_ref(next_gw);
+ batadv_gw_node_free_ref(next_gw);
if (router)
batadv_neigh_node_free_ref(router);
}
@@ -282,9 +283,9 @@ void batadv_gw_check_election(struct bat_priv *bat_priv,
(orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class)))
goto out;
- bat_dbg(DBG_BATMAN, bat_priv,
- "Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n",
- gw_tq_avg, orig_tq_avg);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n",
+ gw_tq_avg, orig_tq_avg);
deselect:
batadv_gw_deselect(bat_priv);
@@ -299,8 +300,9 @@ out:
return;
}
-static void gw_node_add(struct bat_priv *bat_priv,
- struct orig_node *orig_node, uint8_t new_gwflags)
+static void batadv_gw_node_add(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ uint8_t new_gwflags)
{
struct gw_node *gw_node;
int down, up;
@@ -318,13 +320,13 @@ static void gw_node_add(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->gw_list_lock);
batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up);
- bat_dbg(DBG_BATMAN, bat_priv,
- "Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n",
- orig_node->orig, new_gwflags,
- (down > 2048 ? down / 1024 : down),
- (down > 2048 ? "MBit" : "KBit"),
- (up > 2048 ? up / 1024 : up),
- (up > 2048 ? "MBit" : "KBit"));
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n",
+ orig_node->orig, new_gwflags,
+ (down > 2048 ? down / 1024 : down),
+ (down > 2048 ? "MBit" : "KBit"),
+ (up > 2048 ? up / 1024 : up),
+ (up > 2048 ? "MBit" : "KBit"));
}
void batadv_gw_node_update(struct bat_priv *bat_priv,
@@ -338,25 +340,25 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
* have this gateway in our list (duplication check!) even though we
* have no currently selected gateway.
*/
- curr_gw = gw_get_selected_gw_node(bat_priv);
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
if (gw_node->orig_node != orig_node)
continue;
- bat_dbg(DBG_BATMAN, bat_priv,
- "Gateway class of originator %pM changed from %i to %i\n",
- orig_node->orig, gw_node->orig_node->gw_flags,
- new_gwflags);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Gateway class of originator %pM changed from %i to %i\n",
+ orig_node->orig, gw_node->orig_node->gw_flags,
+ new_gwflags);
gw_node->deleted = 0;
if (new_gwflags == NO_FLAGS) {
gw_node->deleted = jiffies;
- bat_dbg(DBG_BATMAN, bat_priv,
- "Gateway %pM removed from gateway list\n",
- orig_node->orig);
+ batadv_dbg(DBG_BATMAN, bat_priv,
+ "Gateway %pM removed from gateway list\n",
+ orig_node->orig);
if (gw_node == curr_gw)
goto deselect;
@@ -368,7 +370,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
if (new_gwflags == NO_FLAGS)
goto unlock;
- gw_node_add(bat_priv, orig_node, new_gwflags);
+ batadv_gw_node_add(bat_priv, orig_node, new_gwflags);
goto unlock;
deselect:
@@ -377,7 +379,7 @@ unlock:
rcu_read_unlock();
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
}
void batadv_gw_node_delete(struct bat_priv *bat_priv,
@@ -393,7 +395,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
unsigned long timeout = msecs_to_jiffies(2 * PURGE_TIMEOUT);
int do_deselect = 0;
- curr_gw = gw_get_selected_gw_node(bat_priv);
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
spin_lock_bh(&bat_priv->gw_list_lock);
@@ -408,7 +410,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
do_deselect = 1;
hlist_del_rcu(&gw_node->list);
- gw_node_free_ref(gw_node);
+ batadv_gw_node_free_ref(gw_node);
}
spin_unlock_bh(&bat_priv->gw_list_lock);
@@ -418,12 +420,13 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
batadv_gw_deselect(bat_priv);
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
}
/* fails if orig_node has no router */
-static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
- const struct gw_node *gw_node)
+static int batadv_write_buffer_text(struct bat_priv *bat_priv,
+ struct seq_file *seq,
+ const struct gw_node *gw_node)
{
struct gw_node *curr_gw;
struct neigh_node *router;
@@ -435,7 +438,7 @@ static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
if (!router)
goto out;
- curr_gw = gw_get_selected_gw_node(bat_priv);
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
ret = seq_printf(seq, "%s %pM (%3i) %pM [%10s]: %3i - %i%s/%i%s\n",
(curr_gw == gw_node ? "=>" : " "),
@@ -450,7 +453,7 @@ static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
batadv_neigh_node_free_ref(router);
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
out:
return ret;
}
@@ -464,7 +467,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
struct hlist_node *node;
int gw_count = 0, ret = 0;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
ret = seq_printf(seq,
"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@ -491,7 +494,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
continue;
/* fails if orig_node has no router */
- if (_write_buffer_text(bat_priv, seq, gw_node) < 0)
+ if (batadv_write_buffer_text(bat_priv, seq, gw_node) < 0)
continue;
gw_count++;
@@ -503,11 +506,11 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return ret;
}
-static bool is_type_dhcprequest(struct sk_buff *skb, int header_len)
+static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len)
{
int ret = false;
unsigned char *p;
@@ -655,7 +658,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
if (!orig_dst_node->gw_flags)
goto out;
- ret = is_type_dhcprequest(skb, header_len);
+ ret = batadv_is_type_dhcprequest(skb, header_len);
if (!ret)
goto out;
@@ -667,7 +670,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
curr_tq_avg = TQ_MAX_VALUE;
break;
case GW_MODE_CLIENT:
- curr_gw = gw_get_selected_gw_node(bat_priv);
+ curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
if (!curr_gw)
goto out;
@@ -702,7 +705,7 @@ out:
if (orig_dst_node)
batadv_orig_node_free_ref(orig_dst_node);
if (curr_gw)
- gw_node_free_ref(curr_gw);
+ batadv_gw_node_free_ref(curr_gw);
if (neigh_old)
batadv_neigh_node_free_ref(neigh_old);
if (neigh_curr)
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