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authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2011-11-01 10:58:57 +0200
committerGustavo F. Padovan <padovan@profusion.mobi>2011-11-07 17:24:47 -0200
commit5e59b791c3561e2fbb4aee17df3505ad25c16b7a (patch)
tree9c071f96562e42c91f572502c5302d06f1012cc8 /net/bluetooth
parent8035ded466049ca2fe8c04564a0fa00f222abe3f (diff)
Bluetooth: set skbuffer priority based on L2CAP socket priority
This uses SO_PRIORITY to set the skbuffer priority field Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/l2cap_core.c27
-rw-r--r--net/bluetooth/l2cap_sock.c2
2 files changed, 21 insertions, 8 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 76210cd6d3e..ac2c41ada0f 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -564,6 +564,7 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
flags = ACL_START;
bt_cb(skb)->force_active = BT_POWER_FORCE_ACTIVE_ON;
+ skb->priority = HCI_PRIO_MAX;
hci_send_acl(conn->hcon, skb, flags);
}
@@ -1265,7 +1266,8 @@ static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
struct hci_conn *hcon = chan->conn->hcon;
u16 flags;
- BT_DBG("chan %p, skb %p len %d", chan, skb, skb->len);
+ BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len,
+ skb->priority);
if (!test_bit(FLAG_FLUSHABLE, &chan->flags) &&
lmp_no_flush_capable(hcon->hdev))
@@ -1483,6 +1485,8 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in
if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count))
return -EFAULT;
+ (*frag)->priority = skb->priority;
+
sent += count;
len -= count;
@@ -1492,7 +1496,9 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in
return sent;
}
-static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
+ struct msghdr *msg, size_t len,
+ u32 priority)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
@@ -1500,7 +1506,7 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct
int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE;
struct l2cap_hdr *lh;
- BT_DBG("sk %p len %d", sk, (int)len);
+ BT_DBG("sk %p len %d priority %u", sk, (int)len, priority);
count = min_t(unsigned int, (conn->mtu - hlen), len);
skb = bt_skb_send_alloc(sk, count + hlen,
@@ -1508,6 +1514,8 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct
if (!skb)
return ERR_PTR(err);
+ skb->priority = priority;
+
/* Create L2CAP header */
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
lh->cid = cpu_to_le16(chan->dcid);
@@ -1522,7 +1530,9 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct
return skb;
}
-static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
+ struct msghdr *msg, size_t len,
+ u32 priority)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
@@ -1538,6 +1548,8 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct ms
if (!skb)
return ERR_PTR(err);
+ skb->priority = priority;
+
/* Create L2CAP header */
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
lh->cid = cpu_to_le16(chan->dcid);
@@ -1651,7 +1663,8 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si
return size;
}
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
+ u32 priority)
{
struct sk_buff *skb;
u32 control;
@@ -1659,7 +1672,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
/* Connectionless channel */
if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
- skb = l2cap_create_connless_pdu(chan, msg, len);
+ skb = l2cap_create_connless_pdu(chan, msg, len, priority);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -1674,7 +1687,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
return -EMSGSIZE;
/* Create a basic PDU */
- skb = l2cap_create_basic_pdu(chan, msg, len);
+ skb = l2cap_create_basic_pdu(chan, msg, len, priority);
if (IS_ERR(skb))
return PTR_ERR(skb);
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 836d12e66a3..646aefc4f1d 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -721,7 +721,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
return -ENOTCONN;
}
- err = l2cap_chan_send(chan, msg, len);
+ err = l2cap_chan_send(chan, msg, len, sk->sk_priority);
release_sock(sk);
return err;