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Bluetooth: Add chan->chan_type struct member

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chan_type says if our chan is raw(direclty access to HCI),
connection less or connection oriented.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-05-02 17:13:55 -03:00
parent 9a91a04a95
commit 715ec005cd
3 changed files with 38 additions and 26 deletions
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5
include/net/bluetooth/l2cap.h
View file

@ -295,6 +295,7 @@ struct l2cap_chan {
__u16 omtu; __u16 omtu;
__u16 flush_to; __u16 flush_to;
__u8 mode; __u8 mode;
__u8 chan_type;
__le16 sport; __le16 sport;
@ -384,6 +385,10 @@ struct l2cap_conn {
#define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04
#define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08
#define L2CAP_CHAN_RAW 1
#define L2CAP_CHAN_CONN_LESS 2
#define L2CAP_CHAN_CONN_ORIENTED 3
/* ----- L2CAP socket info ----- */ /* ----- L2CAP socket info ----- */
#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)

30
net/bluetooth/l2cap_core.c
View file

@ -245,7 +245,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->conn = conn; chan->conn = conn;
if (sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM) { if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED) {
if (conn->hcon->type == LE_LINK) { if (conn->hcon->type == LE_LINK) {
/* LE connection */ /* LE connection */
chan->omtu = L2CAP_LE_DEFAULT_MTU; chan->omtu = L2CAP_LE_DEFAULT_MTU;
@ -256,7 +256,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->scid = l2cap_alloc_cid(conn); chan->scid = l2cap_alloc_cid(conn);
chan->omtu = L2CAP_DEFAULT_MTU; chan->omtu = L2CAP_DEFAULT_MTU;
} }
} else if (sk->sk_type == SOCK_DGRAM) { } else if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
/* Connectionless socket */ /* Connectionless socket */
chan->scid = L2CAP_CID_CONN_LESS; chan->scid = L2CAP_CID_CONN_LESS;
chan->dcid = L2CAP_CID_CONN_LESS; chan->dcid = L2CAP_CID_CONN_LESS;
@ -369,8 +369,7 @@ void __l2cap_chan_close(struct l2cap_chan *chan, int reason)
case BT_CONNECTED: case BT_CONNECTED:
case BT_CONFIG: case BT_CONFIG:
if ((sk->sk_type == SOCK_SEQPACKET || if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
sk->sk_type == SOCK_STREAM) &&
conn->hcon->type == ACL_LINK) { conn->hcon->type == ACL_LINK) {
l2cap_sock_set_timer(sk, sk->sk_sndtimeo); l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
l2cap_send_disconn_req(conn, chan, reason); l2cap_send_disconn_req(conn, chan, reason);
@ -379,8 +378,7 @@ void __l2cap_chan_close(struct l2cap_chan *chan, int reason)
break; break;
case BT_CONNECT2: case BT_CONNECT2:
if ((sk->sk_type == SOCK_SEQPACKET || if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
sk->sk_type == SOCK_STREAM) &&
conn->hcon->type == ACL_LINK) { conn->hcon->type == ACL_LINK) {
struct l2cap_conn_rsp rsp; struct l2cap_conn_rsp rsp;
__u16 result; __u16 result;
@ -414,9 +412,7 @@ void __l2cap_chan_close(struct l2cap_chan *chan, int reason)
static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan) static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
{ {
struct sock *sk = chan->sk; if (chan->chan_type == L2CAP_CHAN_RAW) {
if (sk->sk_type == SOCK_RAW) {
switch (chan->sec_level) { switch (chan->sec_level) {
case BT_SECURITY_HIGH: case BT_SECURITY_HIGH:
return HCI_AT_DEDICATED_BONDING_MITM; return HCI_AT_DEDICATED_BONDING_MITM;
@ -657,8 +653,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
bh_lock_sock(sk); bh_lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET && if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
sk->sk_type != SOCK_STREAM) {
bh_unlock_sock(sk); bh_unlock_sock(sk);
continue; continue;
} }
@ -852,8 +847,7 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
sk->sk_state_change(sk); sk->sk_state_change(sk);
} }
if (sk->sk_type != SOCK_SEQPACKET && if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
sk->sk_type != SOCK_STREAM) {
l2cap_sock_clear_timer(sk); l2cap_sock_clear_timer(sk);
sk->sk_state = BT_CONNECTED; sk->sk_state = BT_CONNECTED;
sk->sk_state_change(sk); sk->sk_state_change(sk);
@ -1056,8 +1050,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan)
l2cap_sock_set_timer(sk, sk->sk_sndtimeo); l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
if (hcon->state == BT_CONNECTED) { if (hcon->state == BT_CONNECTED) {
if (sk->sk_type != SOCK_SEQPACKET && if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
sk->sk_type != SOCK_STREAM) {
l2cap_sock_clear_timer(sk); l2cap_sock_clear_timer(sk);
if (l2cap_check_security(chan)) if (l2cap_check_security(chan))
sk->sk_state = BT_CONNECTED; sk->sk_state = BT_CONNECTED;
@ -1537,13 +1530,12 @@ int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t le
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)
{ {
struct sock *sk = chan->sk;
struct sk_buff *skb; struct sk_buff *skb;
u16 control; u16 control;
int err; int err;
/* Connectionless channel */ /* Connectionless channel */
if (sk->sk_type == SOCK_DGRAM) { if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
skb = l2cap_create_connless_pdu(chan, msg, len); skb = l2cap_create_connless_pdu(chan, msg, len);
if (IS_ERR(skb)) if (IS_ERR(skb))
return PTR_ERR(skb); return PTR_ERR(skb);
@ -1650,7 +1642,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
read_lock(&conn->chan_lock); read_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) { list_for_each_entry(chan, &conn->chan_l, list) {
struct sock *sk = chan->sk; struct sock *sk = chan->sk;
if (sk->sk_type != SOCK_RAW) if (chan->chan_type != L2CAP_CHAN_RAW)
continue; continue;
/* Don't send frame to the socket it came from */ /* Don't send frame to the socket it came from */
@ -4100,7 +4092,7 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
{ {
struct sock *sk = chan->sk; struct sock *sk = chan->sk;
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM) if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED)
return; return;
if (encrypt == 0x00) { if (encrypt == 0x00) {

29
net/bluetooth/l2cap_sock.c
View file

@ -162,7 +162,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
lock_sock(sk); lock_sock(sk);
if ((sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM) if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED
&& !(la.l2_psm || la.l2_cid)) { && !(la.l2_psm || la.l2_cid)) {
err = -EINVAL; err = -EINVAL;
goto done; goto done;
@ -204,8 +204,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
} }
/* PSM must be odd and lsb of upper byte must be 0 */ /* PSM must be odd and lsb of upper byte must be 0 */
if ((__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001 && if ((__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001 && !la.l2_cid &&
sk->sk_type != SOCK_RAW && !la.l2_cid) { chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL; err = -EINVAL;
goto done; goto done;
} }
@ -453,8 +453,8 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
switch (optname) { switch (optname) {
case BT_SECURITY: case BT_SECURITY:
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
&& sk->sk_type != SOCK_RAW) { chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL; err = -EINVAL;
break; break;
} }
@ -599,8 +599,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
switch (optname) { switch (optname) {
case BT_SECURITY: case BT_SECURITY:
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
&& sk->sk_type != SOCK_RAW) { chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL; err = -EINVAL;
break; break;
} }
@ -806,6 +806,7 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
sk->sk_type = parent->sk_type; sk->sk_type = parent->sk_type;
bt_sk(sk)->defer_setup = bt_sk(parent)->defer_setup; bt_sk(sk)->defer_setup = bt_sk(parent)->defer_setup;
chan->chan_type = pchan->chan_type;
chan->imtu = pchan->imtu; chan->imtu = pchan->imtu;
chan->omtu = pchan->omtu; chan->omtu = pchan->omtu;
chan->conf_state = pchan->conf_state; chan->conf_state = pchan->conf_state;
@ -818,6 +819,20 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
chan->force_reliable = pchan->force_reliable; chan->force_reliable = pchan->force_reliable;
chan->flushable = pchan->flushable; chan->flushable = pchan->flushable;
} else { } else {
switch (sk->sk_type) {
case SOCK_RAW:
chan->chan_type = L2CAP_CHAN_RAW;
break;
case SOCK_DGRAM:
chan->chan_type = L2CAP_CHAN_CONN_LESS;
break;
case SOCK_SEQPACKET:
case SOCK_STREAM:
chan->chan_type = L2CAP_CHAN_CONN_ORIENTED;
break;
}
chan->imtu = L2CAP_DEFAULT_MTU; chan->imtu = L2CAP_DEFAULT_MTU;
chan->omtu = 0; chan->omtu = 0;
if (!disable_ertm && sk->sk_type == SOCK_STREAM) { if (!disable_ertm && sk->sk_type == SOCK_STREAM) {