Codecs supported for A2DP offload use case are returned over l2cap
socket. Add BT_CODEC option to getsockopt to return the codecs.
Signed-off-by: Kiran K <[email protected]>
Change-Id: I1592f3bb1167771bfb2cb9114438e473ea372c90
---
include/net/bluetooth/hci.h | 1 +
net/bluetooth/l2cap_sock.c | 14 ++++++++++++++
2 files changed, 15 insertions(+)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 63065bc01b76..451d491f7f68 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -2666,6 +2666,7 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
#define hci_iso_data_flags(h) ((h) >> 14)
/* codec transport types */
+#define HCI_TRANSPORT_ACL 0x00
#define HCI_TRANSPORT_SCO_ESCO 0x01
/* le24 support */
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 160c016a5dfb..06f8ea681972 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -36,6 +36,7 @@
#include <net/bluetooth/l2cap.h>
#include "smp.h"
+#include "hci_codec.h"
static struct bt_sock_list l2cap_sk_list = {
.lock = __RW_LOCK_UNLOCKED(l2cap_sk_list.lock)
@@ -549,6 +550,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
struct bt_power pwr;
u32 phys;
int len, mode, err = 0;
+ struct hci_dev *hdev;
BT_DBG("sk %p", sk);
@@ -685,6 +687,18 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
err = -EFAULT;
break;
+ case BT_CODEC:
+ hdev = hci_get_route(BDADDR_ANY, &chan->src, BDADDR_BREDR);
+ if (!hdev) {
+ err = -EBADFD;
+ break;
+ }
+
+ err = hci_get_supported_codecs(hdev, HCI_TRANSPORT_ACL, optval,
+ optlen, len);
+ hci_dev_put(hdev);
+ break;
+
default:
err = -ENOPROTOOPT;
break;
--
2.17.1