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Bluetooth: ISO: Add support for BT_PKT_STATUS

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This adds support for BT_PKT_STATUS socketopt by setting
BT_SK_PKT_STATUS. Then upon receiving an ISO packet the code would
attempt to store the Packet_Status_Flag to hci_skb_pkt_status which
is then forward to userspace in the form of BT_SCM_PKT_STATUS whenever
BT_PKT_STATUS has been enabled/set.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2023-07-13 14:02:37 -07:00
parent 3f19ffb2f9
commit 0731c5ab4d
1 changed files with 20 additions and 0 deletions
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20
net/bluetooth/iso.c
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@ -1288,6 +1288,18 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
break;
case BT_PKT_STATUS:
if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
err = -EFAULT;
break;
}
if (opt)
set_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
else
clear_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
break;
case BT_ISO_QOS:
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND &&
sk->sk_state != BT_CONNECT2) {
@ -1373,6 +1385,12 @@ static int iso_sock_getsockopt(struct socket *sock, int level, int optname,
break;
case BT_PKT_STATUS:
if (put_user(test_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags),
(int __user *)optval))
err = -EFAULT;
break;
case BT_ISO_QOS:
qos = iso_sock_get_qos(sk);
@ -1767,6 +1785,7 @@ void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
if (len == skb->len) {
/* Complete frame received */
hci_skb_pkt_status(skb) = flags & 0x03;
iso_recv_frame(conn, skb);
return;
}
@ -1788,6 +1807,7 @@ void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
if (!conn->rx_skb)
goto drop;
hci_skb_pkt_status(conn->rx_skb) = flags & 0x03;
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
skb->len);
conn->rx_len = len - skb->len;