Bluetooth: Move some more elements to struct l2cap_chan
In this commit sec_level, force_reliable, role_switch and flushable. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan
parent
77a74c7e08
commit
4343478f3a
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@ -284,6 +284,12 @@ struct srej_list {
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struct l2cap_chan {
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struct sock *sk;
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__u8 sec_level;
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__u8 role_switch;
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__u8 force_reliable;
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__u8 flushable;
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__u8 ident;
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__u8 conf_req[64];
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@ -371,10 +377,6 @@ struct l2cap_pinfo {
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__u8 mode;
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__u8 fcs;
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__u8 sec_level;
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__u8 role_switch;
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__u8 force_reliable;
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__u8 flushable;
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__u8 tx_win;
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__u8 max_tx;
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@ -452,7 +454,7 @@ struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, s
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struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len);
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struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
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int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
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void l2cap_do_send(struct sock *sk, struct sk_buff *skb);
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void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb);
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void l2cap_streaming_send(struct l2cap_chan *chan);
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int l2cap_ertm_send(struct l2cap_chan *chan);
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@ -262,10 +262,12 @@ free:
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kfree(chan);
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}
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static inline u8 l2cap_get_auth_type(struct sock *sk)
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static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
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{
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struct sock *sk = chan->sk;
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if (sk->sk_type == SOCK_RAW) {
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switch (l2cap_pi(sk)->sec_level) {
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switch (chan->sec_level) {
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case BT_SECURITY_HIGH:
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return HCI_AT_DEDICATED_BONDING_MITM;
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case BT_SECURITY_MEDIUM:
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@ -274,15 +276,15 @@ static inline u8 l2cap_get_auth_type(struct sock *sk)
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return HCI_AT_NO_BONDING;
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}
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} else if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001)) {
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if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW)
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l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
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if (chan->sec_level == BT_SECURITY_LOW)
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chan->sec_level = BT_SECURITY_SDP;
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if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH)
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if (chan->sec_level == BT_SECURITY_HIGH)
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return HCI_AT_NO_BONDING_MITM;
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else
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return HCI_AT_NO_BONDING;
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} else {
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switch (l2cap_pi(sk)->sec_level) {
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switch (chan->sec_level) {
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case BT_SECURITY_HIGH:
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return HCI_AT_GENERAL_BONDING_MITM;
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case BT_SECURITY_MEDIUM:
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@ -294,15 +296,14 @@ static inline u8 l2cap_get_auth_type(struct sock *sk)
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}
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/* Service level security */
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static inline int l2cap_check_security(struct sock *sk)
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static inline int l2cap_check_security(struct l2cap_chan *chan)
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{
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struct l2cap_conn *conn = l2cap_pi(sk)->conn;
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struct l2cap_conn *conn = l2cap_pi(chan->sk)->conn;
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__u8 auth_type;
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auth_type = l2cap_get_auth_type(sk);
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auth_type = l2cap_get_auth_type(chan);
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return hci_conn_security(conn->hcon, l2cap_pi(sk)->sec_level,
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auth_type);
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return hci_conn_security(conn->hcon, chan->sec_level, auth_type);
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}
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u8 l2cap_get_ident(struct l2cap_conn *conn)
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@ -425,7 +426,8 @@ static void l2cap_do_start(struct l2cap_chan *chan)
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if (!(conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE))
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return;
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if (l2cap_check_security(sk) && __l2cap_no_conn_pending(chan)) {
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if (l2cap_check_security(chan) &&
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__l2cap_no_conn_pending(chan)) {
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struct l2cap_conn_req req;
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req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
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req.psm = l2cap_pi(sk)->psm;
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@ -515,7 +517,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
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if (sk->sk_state == BT_CONNECT) {
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struct l2cap_conn_req req;
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if (!l2cap_check_security(sk) ||
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if (!l2cap_check_security(chan) ||
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!__l2cap_no_conn_pending(chan)) {
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bh_unlock_sock(sk);
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continue;
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@ -549,7 +551,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
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rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
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rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
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if (l2cap_check_security(sk)) {
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if (l2cap_check_security(chan)) {
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if (bt_sk(sk)->defer_setup) {
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struct sock *parent = bt_sk(sk)->parent;
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rsp.result = cpu_to_le16(L2CAP_CR_PEND);
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@ -722,7 +724,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err)
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list_for_each_entry(chan, &conn->chan_l, list) {
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struct sock *sk = chan->sk;
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if (l2cap_pi(sk)->force_reliable)
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if (chan->force_reliable)
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sk->sk_err = err;
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}
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@ -867,14 +869,14 @@ int l2cap_chan_connect(struct l2cap_chan *chan)
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hci_dev_lock_bh(hdev);
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auth_type = l2cap_get_auth_type(sk);
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auth_type = l2cap_get_auth_type(chan);
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if (l2cap_pi(sk)->dcid == L2CAP_CID_LE_DATA)
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hcon = hci_connect(hdev, LE_LINK, dst,
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l2cap_pi(sk)->sec_level, auth_type);
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chan->sec_level, auth_type);
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else
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hcon = hci_connect(hdev, ACL_LINK, dst,
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l2cap_pi(sk)->sec_level, auth_type);
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chan->sec_level, auth_type);
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if (IS_ERR(hcon)) {
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err = PTR_ERR(hcon);
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@ -900,7 +902,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan)
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if (sk->sk_type != SOCK_SEQPACKET &&
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sk->sk_type != SOCK_STREAM) {
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l2cap_sock_clear_timer(sk);
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if (l2cap_check_security(sk))
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if (l2cap_check_security(chan))
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sk->sk_state = BT_CONNECTED;
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} else
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l2cap_do_start(chan);
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@ -1002,15 +1004,15 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
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del_timer(&chan->retrans_timer);
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}
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void l2cap_do_send(struct sock *sk, struct sk_buff *skb)
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void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
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{
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struct l2cap_pinfo *pi = l2cap_pi(sk);
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struct hci_conn *hcon = pi->conn->hcon;
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struct sock *sk = chan->sk;
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struct hci_conn *hcon = l2cap_pi(sk)->conn->hcon;
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u16 flags;
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BT_DBG("sk %p, skb %p len %d", sk, skb, skb->len);
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BT_DBG("chan %p, skb %p len %d", chan, skb, skb->len);
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if (!pi->flushable && lmp_no_flush_capable(hcon->hdev))
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if (!chan->flushable && lmp_no_flush_capable(hcon->hdev))
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flags = ACL_START_NO_FLUSH;
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else
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flags = ACL_START;
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@ -1035,7 +1037,7 @@ void l2cap_streaming_send(struct l2cap_chan *chan)
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put_unaligned_le16(fcs, skb->data + skb->len - 2);
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}
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l2cap_do_send(sk, skb);
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l2cap_do_send(chan, skb);
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chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
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}
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@ -1087,7 +1089,7 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
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put_unaligned_le16(fcs, tx_skb->data + tx_skb->len - 2);
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}
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l2cap_do_send(sk, tx_skb);
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l2cap_do_send(chan, tx_skb);
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}
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int l2cap_ertm_send(struct l2cap_chan *chan)
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@ -1130,7 +1132,7 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
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put_unaligned_le16(fcs, skb->data + tx_skb->len - 2);
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}
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l2cap_do_send(sk, tx_skb);
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l2cap_do_send(chan, tx_skb);
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__mod_retrans_timer();
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@ -2100,7 +2102,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
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chan->ident = cmd->ident;
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if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) {
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if (l2cap_check_security(sk)) {
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if (l2cap_check_security(chan)) {
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if (bt_sk(sk)->defer_setup) {
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sk->sk_state = BT_CONNECT2;
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result = L2CAP_CR_PEND;
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@ -3805,17 +3807,19 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
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/* Find listening sockets and check their link_mode */
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read_lock(&l2cap_sk_list.lock);
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sk_for_each(sk, node, &l2cap_sk_list.head) {
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struct l2cap_chan *chan = l2cap_pi(sk)->chan;
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if (sk->sk_state != BT_LISTEN)
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continue;
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if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr)) {
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lm1 |= HCI_LM_ACCEPT;
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if (l2cap_pi(sk)->role_switch)
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if (chan->role_switch)
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lm1 |= HCI_LM_MASTER;
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exact++;
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} else if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) {
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lm2 |= HCI_LM_ACCEPT;
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if (l2cap_pi(sk)->role_switch)
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if (chan->role_switch)
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lm2 |= HCI_LM_MASTER;
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}
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}
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@ -3867,19 +3871,21 @@ static int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
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return 0;
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}
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static inline void l2cap_check_encryption(struct sock *sk, u8 encrypt)
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static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
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{
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struct sock *sk = chan->sk;
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if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM)
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return;
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if (encrypt == 0x00) {
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if (l2cap_pi(sk)->sec_level == BT_SECURITY_MEDIUM) {
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if (chan->sec_level == BT_SECURITY_MEDIUM) {
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l2cap_sock_clear_timer(sk);
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l2cap_sock_set_timer(sk, HZ * 5);
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} else if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH)
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} else if (chan->sec_level == BT_SECURITY_HIGH)
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__l2cap_sock_close(sk, ECONNREFUSED);
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} else {
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if (l2cap_pi(sk)->sec_level == BT_SECURITY_MEDIUM)
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if (chan->sec_level == BT_SECURITY_MEDIUM)
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l2cap_sock_clear_timer(sk);
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}
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}
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@ -3908,7 +3914,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
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if (!status && (sk->sk_state == BT_CONNECTED ||
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sk->sk_state == BT_CONFIG)) {
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l2cap_check_encryption(sk, encrypt);
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l2cap_check_encryption(chan, encrypt);
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bh_unlock_sock(sk);
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continue;
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}
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@ -4083,7 +4089,7 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p)
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batostr(&bt_sk(sk)->dst),
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sk->sk_state, __le16_to_cpu(pi->psm),
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pi->scid, pi->dcid,
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pi->imtu, pi->omtu, pi->sec_level,
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pi->imtu, pi->omtu, pi->chan->sec_level,
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pi->mode);
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}
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@ -51,7 +51,7 @@ static void l2cap_sock_timeout(unsigned long arg)
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if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONFIG)
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reason = ECONNREFUSED;
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else if (sk->sk_state == BT_CONNECT &&
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l2cap_pi(sk)->sec_level != BT_SECURITY_SDP)
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l2cap_pi(sk)->chan->sec_level != BT_SECURITY_SDP)
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reason = ECONNREFUSED;
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else
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reason = ETIMEDOUT;
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@ -91,6 +91,7 @@ found:
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static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
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{
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struct sock *sk = sock->sk;
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struct l2cap_chan *chan = l2cap_pi(sk)->chan;
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struct sockaddr_l2 la;
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int len, err = 0;
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@ -142,7 +143,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
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if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
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__le16_to_cpu(la.l2_psm) == 0x0003)
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l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
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chan->sec_level = BT_SECURITY_SDP;
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}
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if (la.l2_cid)
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@ -382,6 +383,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
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static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
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{
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struct sock *sk = sock->sk;
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struct l2cap_chan *chan = l2cap_pi(sk)->chan;
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struct l2cap_options opts;
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struct l2cap_conninfo cinfo;
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int len, err = 0;
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@ -412,7 +414,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
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break;
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case L2CAP_LM:
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switch (l2cap_pi(sk)->sec_level) {
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switch (chan->sec_level) {
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case BT_SECURITY_LOW:
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opt = L2CAP_LM_AUTH;
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break;
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@ -428,10 +430,10 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
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break;
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}
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if (l2cap_pi(sk)->role_switch)
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if (chan->role_switch)
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opt |= L2CAP_LM_MASTER;
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if (l2cap_pi(sk)->force_reliable)
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if (chan->force_reliable)
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opt |= L2CAP_LM_RELIABLE;
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if (put_user(opt, (u32 __user *) optval))
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@ -467,6 +469,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
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static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
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{
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struct sock *sk = sock->sk;
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struct l2cap_chan *chan = l2cap_pi(sk)->chan;
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struct bt_security sec;
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int len, err = 0;
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@ -491,7 +494,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
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break;
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}
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sec.level = l2cap_pi(sk)->sec_level;
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sec.level = chan->sec_level;
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len = min_t(unsigned int, len, sizeof(sec));
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if (copy_to_user(optval, (char *) &sec, len))
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@ -511,7 +514,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
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break;
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case BT_FLUSHABLE:
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if (put_user(l2cap_pi(sk)->flushable, (u32 __user *) optval))
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if (put_user(chan->flushable, (u32 __user *) optval))
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err = -EFAULT;
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break;
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@ -592,14 +595,14 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
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}
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if (opt & L2CAP_LM_AUTH)
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l2cap_pi(sk)->sec_level = BT_SECURITY_LOW;
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chan->sec_level = BT_SECURITY_LOW;
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if (opt & L2CAP_LM_ENCRYPT)
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l2cap_pi(sk)->sec_level = BT_SECURITY_MEDIUM;
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chan->sec_level = BT_SECURITY_MEDIUM;
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if (opt & L2CAP_LM_SECURE)
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l2cap_pi(sk)->sec_level = BT_SECURITY_HIGH;
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chan->sec_level = BT_SECURITY_HIGH;
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l2cap_pi(sk)->role_switch = (opt & L2CAP_LM_MASTER);
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l2cap_pi(sk)->force_reliable = (opt & L2CAP_LM_RELIABLE);
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chan->role_switch = (opt & L2CAP_LM_MASTER);
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chan->force_reliable = (opt & L2CAP_LM_RELIABLE);
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||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -614,6 +617,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
|
|||
static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
|
||||
{
|
||||
struct sock *sk = sock->sk;
|
||||
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
|
||||
struct bt_security sec;
|
||||
int len, err = 0;
|
||||
u32 opt;
|
||||
|
|
@ -650,7 +654,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
|
|||
break;
|
||||
}
|
||||
|
||||
l2cap_pi(sk)->sec_level = sec.level;
|
||||
chan->sec_level = sec.level;
|
||||
break;
|
||||
|
||||
case BT_DEFER_SETUP:
|
||||
|
|
@ -688,7 +692,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
|
|||
}
|
||||
}
|
||||
|
||||
l2cap_pi(sk)->flushable = opt;
|
||||
chan->flushable = opt;
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -730,7 +734,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
|
|||
if (IS_ERR(skb)) {
|
||||
err = PTR_ERR(skb);
|
||||
} else {
|
||||
l2cap_do_send(sk, skb);
|
||||
l2cap_do_send(pi->chan, skb);
|
||||
err = len;
|
||||
}
|
||||
goto done;
|
||||
|
|
@ -751,7 +755,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
|
|||
goto done;
|
||||
}
|
||||
|
||||
l2cap_do_send(sk, skb);
|
||||
l2cap_do_send(pi->chan, skb);
|
||||
err = len;
|
||||
break;
|
||||
|
||||
|
|
@ -997,10 +1001,10 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
|
|||
pi->fcs = l2cap_pi(parent)->fcs;
|
||||
pi->max_tx = l2cap_pi(parent)->max_tx;
|
||||
pi->tx_win = l2cap_pi(parent)->tx_win;
|
||||
pi->sec_level = l2cap_pi(parent)->sec_level;
|
||||
pi->role_switch = l2cap_pi(parent)->role_switch;
|
||||
pi->force_reliable = l2cap_pi(parent)->force_reliable;
|
||||
pi->flushable = l2cap_pi(parent)->flushable;
|
||||
chan->sec_level = pchan->sec_level;
|
||||
chan->role_switch = pchan->role_switch;
|
||||
chan->force_reliable = pchan->force_reliable;
|
||||
chan->flushable = pchan->flushable;
|
||||
} else {
|
||||
pi->imtu = L2CAP_DEFAULT_MTU;
|
||||
pi->omtu = 0;
|
||||
|
|
@ -1013,10 +1017,10 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
|
|||
pi->max_tx = L2CAP_DEFAULT_MAX_TX;
|
||||
pi->fcs = L2CAP_FCS_CRC16;
|
||||
pi->tx_win = L2CAP_DEFAULT_TX_WINDOW;
|
||||
pi->sec_level = BT_SECURITY_LOW;
|
||||
pi->role_switch = 0;
|
||||
pi->force_reliable = 0;
|
||||
pi->flushable = BT_FLUSHABLE_OFF;
|
||||
chan->sec_level = BT_SECURITY_LOW;
|
||||
chan->role_switch = 0;
|
||||
chan->force_reliable = 0;
|
||||
chan->flushable = BT_FLUSHABLE_OFF;
|
||||
}
|
||||
|
||||
/* Default config options */
|
||||
|
|
|
|||
Loading…
Reference in a new issue