+static void l2cap_check_srej_gap(struct sock *sk, u8 tx_seq)
+{
+ struct sk_buff *skb;
+ u16 control = 0;
+
+ while((skb = skb_peek(SREJ_QUEUE(sk)))) {
+ if (bt_cb(skb)->tx_seq != tx_seq)
+ break;
+
+ skb = skb_dequeue(SREJ_QUEUE(sk));
+ control |= bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
+ l2cap_sar_reassembly_sdu(sk, skb, control);
+ l2cap_pi(sk)->buffer_seq_srej =
+ (l2cap_pi(sk)->buffer_seq_srej + 1) % 64;
+ tx_seq++;
+ }
+}
+
+static void l2cap_resend_srejframe(struct sock *sk, u8 tx_seq)
+{
+ struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct srej_list *l, *tmp;
+ u16 control;
+
+ list_for_each_entry_safe(l,tmp, SREJ_LIST(sk), list) {
+ if (l->tx_seq == tx_seq) {
+ list_del(&l->list);
+ kfree(l);
+ return;
+ }
+ control = L2CAP_SUPER_SELECT_REJECT;
+ control |= l->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ l2cap_send_sframe(pi, control);
+ list_del(&l->list);
+ list_add_tail(&l->list, SREJ_LIST(sk));
+ }
+}
+
+static void l2cap_send_srejframe(struct sock *sk, u8 tx_seq)
+{
+ struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct srej_list *new;
+ u16 control;
+
+ while (tx_seq != pi->expected_tx_seq) {
+ control = L2CAP_SUPER_SELECT_REJECT;
+ control |= pi->expected_tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ if (pi->conn_state & L2CAP_CONN_SEND_PBIT) {
+ control |= L2CAP_CTRL_POLL;
+ pi->conn_state &= ~L2CAP_CONN_SEND_PBIT;
+ }
+ l2cap_send_sframe(pi, control);
+
+ new = kzalloc(sizeof(struct srej_list), GFP_ATOMIC);
+ new->tx_seq = pi->expected_tx_seq++;
+ list_add_tail(&new->list, SREJ_LIST(sk));
+ }
+ pi->expected_tx_seq++;
+}
+