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authorMarcel Holtmann <marcel@holtmann.org>2014-06-05 15:22:51 +0200
committerMarcel Holtmann <marcel@holtmann.org>2014-07-03 17:42:41 +0200
commit8d46321c4f63f7c2be9e3ba0bb26cb437fc5eded (patch)
tree71d48eeefef0ae21719c88ecffffb76166c3b916 /net
parent67f86a45bb82091a2775561a1e498010afff54ee (diff)
downloadlinux-8d46321c4f63f7c2be9e3ba0bb26cb437fc5eded.tar.bz2
Bluetooth: Assign L2CAP socket priority when allocating SKB
The SKB for L2CAP sockets are all allocated in a central callback in the socket support. Instead of having to pass around the socket priority all the time, assign it to skb->priority when actually allocating the SKB. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/a2mp.c2
-rw-r--r--net/bluetooth/l2cap_core.c23
-rw-r--r--net/bluetooth/l2cap_sock.c4
3 files changed, 11 insertions, 18 deletions
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 1996b4c4dfd5..1a5b1eb96d1a 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -63,7 +63,7 @@ void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *data)
msg.msg_iov = (struct iovec *) &iv;
msg.msg_iovlen = 1;
- l2cap_chan_send(chan, &msg, total_len, 0);
+ l2cap_chan_send(chan, &msg, total_len);
kfree(cmd);
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 323f23cd2c37..3dca28246cbe 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2141,8 +2141,6 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count))
return -EFAULT;
- (*frag)->priority = skb->priority;
-
sent += count;
len -= count;
@@ -2156,16 +2154,15 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
}
static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
- struct msghdr *msg, size_t len,
- u32 priority)
+ struct msghdr *msg, size_t len)
{
struct l2cap_conn *conn = chan->conn;
struct sk_buff *skb;
int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE;
struct l2cap_hdr *lh;
- BT_DBG("chan %p psm 0x%2.2x len %zu priority %u", chan,
- __le16_to_cpu(chan->psm), len, priority);
+ BT_DBG("chan %p psm 0x%2.2x len %zu", chan,
+ __le16_to_cpu(chan->psm), len);
count = min_t(unsigned int, (conn->mtu - hlen), len);
@@ -2174,8 +2171,6 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
if (IS_ERR(skb))
return skb;
- skb->priority = priority;
-
/* Create L2CAP header */
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
lh->cid = cpu_to_le16(chan->dcid);
@@ -2191,8 +2186,7 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
}
static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
- struct msghdr *msg, size_t len,
- u32 priority)
+ struct msghdr *msg, size_t len)
{
struct l2cap_conn *conn = chan->conn;
struct sk_buff *skb;
@@ -2208,8 +2202,6 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
if (IS_ERR(skb))
return skb;
- skb->priority = priority;
-
/* Create L2CAP header */
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
lh->cid = cpu_to_le16(chan->dcid);
@@ -2430,8 +2422,7 @@ static int l2cap_segment_le_sdu(struct l2cap_chan *chan,
return 0;
}
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
- u32 priority)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
{
struct sk_buff *skb;
int err;
@@ -2442,7 +2433,7 @@ 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, priority);
+ skb = l2cap_create_connless_pdu(chan, msg, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -2499,7 +2490,7 @@ 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, priority);
+ skb = l2cap_create_basic_pdu(chan, msg, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 11e2207717b6..d95964c9f91e 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -964,7 +964,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
return err;
l2cap_chan_lock(chan);
- err = l2cap_chan_send(chan, msg, len, sk->sk_priority);
+ err = l2cap_chan_send(chan, msg, len);
l2cap_chan_unlock(chan);
return err;
@@ -1305,6 +1305,8 @@ static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
if (!skb)
return ERR_PTR(err);
+ skb->priority = sk->sk_priority;
+
bt_cb(skb)->chan = chan;
return skb;