aboutsummaryrefslogtreecommitdiffstats
path: root/net/bluetooth/a2mp.c
diff options
context:
space:
mode:
authorAndrei Emeltchenko <andrei.emeltchenko@intel.com>2012-09-27 10:26:07 -0400
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-09-27 16:10:03 -0400
commitf97268fccdd4e76462195216fcab621b8d4a6cd1 (patch)
treeab9b2cebee49e3186cd80d366e6d16aeb39e2985 /net/bluetooth/a2mp.c
parentb078b564292ab87cdf4a58de3c2f86d4300a161c (diff)
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 @@
17#include <net/bluetooth/l2cap.h> 17#include <net/bluetooth/l2cap.h>
18#include <net/bluetooth/a2mp.h> 18#include <net/bluetooth/a2mp.h>
19 19
20/* Global AMP Manager list */
21LIST_HEAD(amp_mgr_list);
22DEFINE_MUTEX(amp_mgr_list_lock);
23
20/* A2MP build & send command helper functions */ 24/* A2MP build & send command helper functions */
21static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data) 25static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data)
22{ 26{
@@ -516,6 +520,10 @@ static void amp_mgr_destroy(struct kref *kref)
516 520
517 BT_DBG("mgr %p", mgr); 521 BT_DBG("mgr %p", mgr);
518 522
523 mutex_lock(&amp_mgr_list_lock);
524 list_del(&mgr->list);
525 mutex_unlock(&amp_mgr_list_lock);
526
519 kfree(mgr); 527 kfree(mgr);
520} 528}
521 529
@@ -552,6 +560,10 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
552 560
553 kref_init(&mgr->kref); 561 kref_init(&mgr->kref);
554 562
563 mutex_lock(&amp_mgr_list_lock);
564 list_add(&mgr->list, &amp_mgr_list);
565 mutex_unlock(&amp_mgr_list_lock);
566
555 return mgr; 567 return mgr;
556} 568}
557 569
@@ -570,3 +582,20 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
570 582
571 return mgr->a2mp_chan; 583 return mgr->a2mp_chan;
572} 584}
585
586struct amp_mgr *amp_mgr_lookup_by_state(u8 state)
587{
588 struct amp_mgr *mgr;
589
590 mutex_lock(&amp_mgr_list_lock);
591 list_for_each_entry(mgr, &amp_mgr_list, list) {
592 if (mgr->state == state) {
593 amp_mgr_get(mgr);
594 mutex_unlock(&amp_mgr_list_lock);
595 return mgr;
596 }
597 }
598 mutex_unlock(&amp_mgr_list_lock);
599
600 return NULL;
601}