[PATCH v1 2/2] Bluetooth: sco: expose WBS packet length in socket option
From: Joseph Hwang <hidden>
Date: 2020-08-13 08:42:24
Also in:
linux-bluetooth, lkml
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
It is desirable to expose the wideband speech packet length via a socket option to the user space so that the user space can set the value correctly in configuring the sco connection. Reviewed-by: Alain Michaud <redacted> Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org> Signed-off-by: Joseph Hwang <redacted> --- include/net/bluetooth/bluetooth.h | 2 ++ net/bluetooth/sco.c | 8 ++++++++ 2 files changed, 10 insertions(+)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 9125effbf4483d..922cc03143def4 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h@@ -153,6 +153,8 @@ struct bt_voice { #define BT_SCM_PKT_STATUS 0x03 +#define BT_SCO_PKT_LEN 17 + __printf(1, 2) void bt_info(const char *fmt, ...); __printf(1, 2)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index dcf7f96ff417e6..97e4e7c7b8cf62 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c@@ -67,6 +67,7 @@ struct sco_pinfo { __u32 flags; __u16 setting; __u8 cmsg_mask; + __u32 pkt_len; struct sco_conn *conn; };
@@ -267,6 +268,8 @@ static int sco_connect(struct sock *sk) sco_sock_set_timer(sk, sk->sk_sndtimeo); } + sco_pi(sk)->pkt_len = hdev->sco_pkt_len; + done: hci_dev_unlock(hdev); hci_dev_put(hdev);
@@ -1001,6 +1004,11 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, err = -EFAULT; break; + case BT_SCO_PKT_LEN: + if (put_user(sco_pi(sk)->pkt_len, (u32 __user *)optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break;
--
2.28.0.236.gb10cc79966-goog