summaryrefslogtreecommitdiff
path: root/net/bluetooth/a2mp.c
diff options
context:
space:
mode:
authorAndrei Emeltchenko <andrei.emeltchenko@intel.com>2012-09-27 18:26:07 +0400
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-09-28 00:10:03 +0400
commitf97268fccdd4e76462195216fcab621b8d4a6cd1 (patch)
treeab9b2cebee49e3186cd80d366e6d16aeb39e2985 /net/bluetooth/a2mp.c
parentb078b564292ab87cdf4a58de3c2f86d4300a161c (diff)
downloadlinux-f97268fccdd4e76462195216fcab621b8d4a6cd1.tar.xz
Bluetooth: A2MP: Create amp_mgr global list
Create amp_mgr_list global list which will be used by different hci devices to find amp_mgr. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'net/bluetooth/a2mp.c')
-rw-r--r--net/bluetooth/a2mp.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 0760d1fed6f0..3f930608ecfa 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -17,6 +17,10 @@
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/a2mp.h>
+/* Global AMP Manager list */
+LIST_HEAD(amp_mgr_list);
+DEFINE_MUTEX(amp_mgr_list_lock);
+
/* A2MP build & send command helper functions */
static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data)
{
@@ -516,6 +520,10 @@ static void amp_mgr_destroy(struct kref *kref)
BT_DBG("mgr %p", mgr);
+ mutex_lock(&amp_mgr_list_lock);
+ list_del(&mgr->list);
+ mutex_unlock(&amp_mgr_list_lock);
+
kfree(mgr);
}
@@ -552,6 +560,10 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
kref_init(&mgr->kref);
+ mutex_lock(&amp_mgr_list_lock);
+ list_add(&mgr->list, &amp_mgr_list);
+ mutex_unlock(&amp_mgr_list_lock);
+
return mgr;
}
@@ -570,3 +582,20 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
return mgr->a2mp_chan;
}
+
+struct amp_mgr *amp_mgr_lookup_by_state(u8 state)
+{
+ struct amp_mgr *mgr;
+
+ mutex_lock(&amp_mgr_list_lock);
+ list_for_each_entry(mgr, &amp_mgr_list, list) {
+ if (mgr->state == state) {
+ amp_mgr_get(mgr);
+ mutex_unlock(&amp_mgr_list_lock);
+ return mgr;
+ }
+ }
+ mutex_unlock(&amp_mgr_list_lock);
+
+ return NULL;
+}