mac80211: mesh: move some code to make it static
There's no need to have table functions in one
file and all users in another, move the functions
to the right file and make them static. Also move
a static variable to the beginning of the file to
make it easier to find.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index c7cb3cc..0aa96cd 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -40,6 +40,50 @@
static struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */
int mesh_paths_generation;
+
+/* This lock will have the grow table function as writer and add / delete nodes
+ * as readers. When reading the table (i.e. doing lookups) we are well protected
+ * by RCU
+ */
+static DEFINE_RWLOCK(pathtbl_resize_lock);
+
+
+static struct mesh_table *mesh_table_alloc(int size_order)
+{
+ int i;
+ struct mesh_table *newtbl;
+
+ newtbl = kmalloc(sizeof(struct mesh_table), GFP_KERNEL);
+ if (!newtbl)
+ return NULL;
+
+ newtbl->hash_buckets = kzalloc(sizeof(struct hlist_head) *
+ (1 << size_order), GFP_KERNEL);
+
+ if (!newtbl->hash_buckets) {
+ kfree(newtbl);
+ return NULL;
+ }
+
+ newtbl->hashwlock = kmalloc(sizeof(spinlock_t) *
+ (1 << size_order), GFP_KERNEL);
+ if (!newtbl->hashwlock) {
+ kfree(newtbl->hash_buckets);
+ kfree(newtbl);
+ return NULL;
+ }
+
+ newtbl->size_order = size_order;
+ newtbl->hash_mask = (1 << size_order) - 1;
+ atomic_set(&newtbl->entries, 0);
+ get_random_bytes(&newtbl->hash_rnd,
+ sizeof(newtbl->hash_rnd));
+ for (i = 0; i <= newtbl->hash_mask; i++)
+ spin_lock_init(&newtbl->hashwlock[i]);
+
+ return newtbl;
+}
+
static void __mesh_table_free(struct mesh_table *tbl)
{
kfree(tbl->hash_buckets);
@@ -47,7 +91,7 @@
kfree(tbl);
}
-void mesh_table_free(struct mesh_table *tbl, bool free_leafs)
+static void mesh_table_free(struct mesh_table *tbl, bool free_leafs)
{
struct hlist_head *mesh_hash;
struct hlist_node *p, *q;
@@ -66,7 +110,7 @@
}
static int mesh_table_grow(struct mesh_table *oldtbl,
- struct mesh_table *newtbl)
+ struct mesh_table *newtbl)
{
struct hlist_head *oldhash;
struct hlist_node *p, *q;
@@ -97,12 +141,14 @@
return -ENOMEM;
}
+static u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
+ struct mesh_table *tbl)
+{
+ /* Use last four bytes of hw addr and interface index as hash index */
+ return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, tbl->hash_rnd)
+ & tbl->hash_mask;
+}
-/* This lock will have the grow table function as writer and add / delete nodes
- * as readers. When reading the table (i.e. doing lookups) we are well protected
- * by RCU
- */
-static DEFINE_RWLOCK(pathtbl_resize_lock);
/**
*