return (seq + 1) % (chan->tx_win_max + 1);
}
-static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
-{
- int sub;
-
- sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64;
-
- if (sub < 0)
- sub += 64;
-
- return sub == ch->remote_tx_win;
-}
-
-static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >>
- L2CAP_EXT_CTRL_REQSEQ_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT;
-}
-
-static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) &
- L2CAP_EXT_CTRL_REQSEQ;
- else
- return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ;
-}
-
-static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >>
- L2CAP_EXT_CTRL_TXSEQ_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT;
-}
-
-static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) &
- L2CAP_EXT_CTRL_TXSEQ;
- else
- return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ;
-}
-
-static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE;
- else
- return ctrl & L2CAP_CTRL_FRAME_TYPE;
-}
-
-static inline __u32 __set_sframe(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_FRAME_TYPE;
- else
- return L2CAP_CTRL_FRAME_TYPE;
-}
-
-static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT;
-}
-
-static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR;
- else
- return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR;
-}
-
-static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl)
-{
- return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START;
-}
-
-static inline __u32 __get_sar_mask(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_SAR;
- else
- return L2CAP_CTRL_SAR;
-}
-
-static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >>
- L2CAP_EXT_CTRL_SUPER_SHIFT;
- else
- return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT;
-}
-
-static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) &
- L2CAP_EXT_CTRL_SUPERVISE;
- else
- return (super << L2CAP_CTRL_SUPER_SHIFT) &
- L2CAP_CTRL_SUPERVISE;
-}
-
-static inline __u32 __set_ctrl_final(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_FINAL;
- else
- return L2CAP_CTRL_FINAL;
-}
-
-static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_FINAL;
- else
- return ctrl & L2CAP_CTRL_FINAL;
-}
-
-static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_CTRL_POLL;
- else
- return L2CAP_CTRL_POLL;
-}
-
-static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return ctrl & L2CAP_EXT_CTRL_POLL;
- else
- return ctrl & L2CAP_CTRL_POLL;
-}
-
-static inline __u32 __get_control(struct l2cap_chan *chan, void *p)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return get_unaligned_le32(p);
- else
- return get_unaligned_le16(p);
-}
-
-static inline void __put_control(struct l2cap_chan *chan, __u32 control,
- void *p)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return put_unaligned_le32(control, p);
- else
- return put_unaligned_le16(control, p);
-}
-
-static inline __u8 __ctrl_size(struct l2cap_chan *chan)
-{
- if (test_bit(FLAG_EXT_CTRL, &chan->flags))
- return L2CAP_EXT_HDR_SIZE - L2CAP_HDR_SIZE;
- else
- return L2CAP_ENH_HDR_SIZE - L2CAP_HDR_SIZE;
-}
extern bool disable_ertm;