#include <linux/skbuff.h>
#include <linux/list.h>
#include <linux/device.h>
+#include <linux/uaccess.h>
#include <net/sock.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
-#define VERSION "2.13"
+#define VERSION "2.14"
-static u32 l2cap_feat_mask = 0x0080;
+static int enable_ertm = 0;
+
+static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
static u8 l2cap_fixed_chan[8] = { 0x02, };
static const struct proto_ops l2cap_sock_ops;
struct sock *s;
read_lock(&l->lock);
s = __l2cap_get_chan_by_scid(l, cid);
- if (s) bh_lock_sock(s);
+ if (s)
+ bh_lock_sock(s);
read_unlock(&l->lock);
return s;
}
struct sock *s;
read_lock(&l->lock);
s = __l2cap_get_chan_by_ident(l, ident);
- if (s) bh_lock_sock(s);
+ if (s)
+ bh_lock_sock(s);
read_unlock(&l->lock);
return s;
}
u16 cid = L2CAP_CID_DYN_START;
for (; cid < L2CAP_CID_DYN_END; cid++) {
- if(!__l2cap_get_chan_by_scid(l, cid))
+ if (!__l2cap_get_chan_by_scid(l, cid))
return cid;
}
{
struct l2cap_chan_list *l = &conn->chan_list;
- BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
+ BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
+ l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
conn->disc_reason = 0x13;
if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH)
auth_type = HCI_AT_NO_BONDING_MITM;
else
- auth_type = HCI_AT_NO_BONDING;
+ auth_type = HCI_AT_NO_BONDING;
if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW)
l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
struct sock *s;
read_lock(&l2cap_sk_list.lock);
s = __l2cap_get_sock_by_psm(state, psm, src);
- if (s) bh_lock_sock(s);
+ if (s)
+ bh_lock_sock(s);
read_unlock(&l2cap_sk_list.lock);
return s;
}
goto done;
}
- if (la.l2_psm && btohs(la.l2_psm) < 0x1001 &&
+ if (la.l2_psm && __le16_to_cpu(la.l2_psm) < 0x1001 &&
!capable(CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto done;
l2cap_pi(sk)->sport = la.l2_psm;
sk->sk_state = BT_BOUND;
- if (btohs(la.l2_psm) == 0x0001 || btohs(la.l2_psm) == 0x0003)
+ if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
+ __le16_to_cpu(la.l2_psm) == 0x0003)
l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
}
struct hci_conn *hcon;
struct hci_dev *hdev;
__u8 auth_type;
- int err = 0;
+ int err;
BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst),
l2cap_pi(sk)->psm);
- if (!(hdev = hci_get_route(dst, src)))
+ hdev = hci_get_route(dst, src);
+ if (!hdev)
return -EHOSTUNREACH;
hci_dev_lock_bh(hdev);
goto done;
}
- switch(sk->sk_state) {
+ switch (sk->sk_state) {
case BT_CONNECT:
case BT_CONNECT2:
case BT_CONFIG:
bacpy(&bt_sk(sk)->dst, &la.l2_bdaddr);
l2cap_pi(sk)->psm = la.l2_psm;
- if ((err = l2cap_do_connect(sk)))
+ err = l2cap_do_connect(sk);
+ if (err)
goto done;
wait:
write_lock_bh(&l2cap_sk_list.lock);
for (psm = 0x1001; psm < 0x1100; psm += 2)
- if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
- l2cap_pi(sk)->psm = htobs(psm);
- l2cap_pi(sk)->sport = htobs(psm);
+ if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
+ l2cap_pi(sk)->psm = cpu_to_le16(psm);
+ l2cap_pi(sk)->sport = cpu_to_le16(psm);
err = 0;
break;
}
if (peer) {
la->l2_psm = l2cap_pi(sk)->psm;
bacpy(&la->l2_bdaddr, &bt_sk(sk)->dst);
- la->l2_cid = htobs(l2cap_pi(sk)->dcid);
+ la->l2_cid = cpu_to_le16(l2cap_pi(sk)->dcid);
} else {
la->l2_psm = l2cap_pi(sk)->sport;
bacpy(&la->l2_bdaddr, &bt_sk(sk)->src);
- la->l2_cid = htobs(l2cap_pi(sk)->scid);
+ la->l2_cid = cpu_to_le16(l2cap_pi(sk)->scid);
}
return 0;
{
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
struct sk_buff *skb, **frag;
- int err, hlen, count, sent=0;
+ int err, hlen, count, sent = 0;
struct l2cap_hdr *lh;
BT_DBG("sk %p len %d", sk, len);
frag = &(*frag)->next;
}
-
- if ((err = hci_send_acl(conn->hcon, skb, 0)) < 0)
+ err = hci_send_acl(conn->hcon, skb, 0);
+ if (err < 0)
goto fail;
return sent;
{
struct l2cap_chan_list *l = &conn->chan_list;
struct sk_buff *nskb;
- struct sock * sk;
+ struct sock *sk;
BT_DBG("conn %p", conn);
/* Don't send frame to the socket it came from */
if (skb->sk == sk)
continue;
-
- if (!(nskb = skb_clone(skb, GFP_ATOMIC)))
+ nskb = skb_clone(skb, GFP_ATOMIC);
+ if (!nskb)
continue;
if (sock_queue_rcv_skb(sk, nskb))
struct l2cap_hdr *lh;
int len, count;
- BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d", conn, code, ident, dlen);
+ BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d",
+ conn, code, ident, dlen);
len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen;
count = min_t(unsigned int, conn->mtu, len);
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
hint = type & L2CAP_CONF_HINT;
- type &= 0x7f;
+ type &= L2CAP_CONF_MASK;
switch (type) {
case L2CAP_CONF_MTU:
BT_DBG("dcid 0x%4.4x scid 0x%4.4x result 0x%2.2x status 0x%2.2x", dcid, scid, result, status);
if (scid) {
- if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+ sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+ if (!sk)
return 0;
} else {
- if (!(sk = l2cap_get_chan_by_ident(&conn->chan_list, cmd->ident)))
+ sk = l2cap_get_chan_by_ident(&conn->chan_list, cmd->ident);
+ if (!sk)
return 0;
}
BT_DBG("dcid 0x%4.4x flags 0x%2.2x", dcid, flags);
- if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
+ sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
+ if (!sk)
return -ENOENT;
if (sk->sk_state == BT_DISCONN)
flags = __le16_to_cpu(rsp->flags);
result = __le16_to_cpu(rsp->result);
- BT_DBG("scid 0x%4.4x flags 0x%2.2x result 0x%2.2x", scid, flags, result);
+ BT_DBG("scid 0x%4.4x flags 0x%2.2x result 0x%2.2x",
+ scid, flags, result);
- if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+ sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+ if (!sk)
return 0;
switch (result) {
BT_DBG("scid 0x%4.4x dcid 0x%4.4x", scid, dcid);
- if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
+ sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
+ if (!sk)
return 0;
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
BT_DBG("dcid 0x%4.4x scid 0x%4.4x", dcid, scid);
- if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+ sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+ if (!sk)
return 0;
l2cap_chan_del(sk, 0);
if (type == L2CAP_IT_FEAT_MASK) {
u8 buf[8];
+ u32 feat_mask = l2cap_feat_mask;
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
rsp->type = cpu_to_le16(L2CAP_IT_FEAT_MASK);
rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS);
- put_unaligned(cpu_to_le32(l2cap_feat_mask), (__le32 *) rsp->data);
+ if (enable_ertm)
+ feat_mask |= L2CAP_FEAT_ERTM;
+ put_unaligned(cpu_to_le32(feat_mask), (__le32 *) rsp->data);
l2cap_send_cmd(conn, cmd->ident,
L2CAP_INFO_RSP, sizeof(buf), buf);
} else if (type == L2CAP_IT_FIXED_CHAN) {
if (type == L2CAP_IT_FEAT_MASK) {
conn->feat_mask = get_unaligned_le32(rsp->data);
- if (conn->feat_mask & 0x0080) {
+ if (conn->feat_mask & L2CAP_FEAT_FIXED_CHAN) {
struct l2cap_info_req req;
req.type = cpu_to_le16(L2CAP_IT_FIXED_CHAN);
kfree_skb(skb);
done:
- if (sk) bh_unlock_sock(sk);
+ if (sk)
+ bh_unlock_sock(sk);
return 0;
}
}
/* Allocate skb for the complete frame (with header) */
- if (!(conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC)))
+ conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!conn->rx_skb)
goto drop;
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state, btohs(pi->psm), pi->scid, pi->dcid,
- pi->imtu, pi->omtu, pi->sec_level);
+ sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
+ pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
}
read_unlock_bh(&l2cap_sk_list.lock);
- return (str - buf);
+ return str - buf;
}
static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
module_init(l2cap_init);
module_exit(l2cap_exit);
+module_param(enable_ertm, bool, 0644);
+MODULE_PARM_DESC(enable_ertm, "Enable enhanced retransmission mode");
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
MODULE_VERSION(VERSION);
git.openpandora.org / pandora-kernel.git / blobdiff