Bluetooth: Add definitions and struct members for new ERTM state machine
Adds some missing values for control field parsing, additional data for the new state machine, and enumerations for states, incoming packet classification, and state machine events. Signed-off-by: Mat Martineau <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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@ -139,6 +139,8 @@ struct l2cap_conninfo {
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#define L2CAP_CTRL_TXSEQ_SHIFT 1
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#define L2CAP_CTRL_TXSEQ_SHIFT 1
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#define L2CAP_CTRL_SUPER_SHIFT 2
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#define L2CAP_CTRL_SUPER_SHIFT 2
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#define L2CAP_CTRL_POLL_SHIFT 4
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#define L2CAP_CTRL_FINAL_SHIFT 7
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#define L2CAP_CTRL_REQSEQ_SHIFT 8
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#define L2CAP_CTRL_REQSEQ_SHIFT 8
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#define L2CAP_CTRL_SAR_SHIFT 14
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#define L2CAP_CTRL_SAR_SHIFT 14
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@ -152,9 +154,11 @@ struct l2cap_conninfo {
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#define L2CAP_EXT_CTRL_FINAL 0x00000002
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#define L2CAP_EXT_CTRL_FINAL 0x00000002
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#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */
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#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */
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#define L2CAP_EXT_CTRL_FINAL_SHIFT 1
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#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2
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#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2
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#define L2CAP_EXT_CTRL_SAR_SHIFT 16
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#define L2CAP_EXT_CTRL_SAR_SHIFT 16
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#define L2CAP_EXT_CTRL_SUPER_SHIFT 16
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#define L2CAP_EXT_CTRL_SUPER_SHIFT 16
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#define L2CAP_EXT_CTRL_POLL_SHIFT 18
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#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18
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#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18
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/* L2CAP Supervisory Function */
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/* L2CAP Supervisory Function */
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@ -186,6 +190,8 @@ struct l2cap_hdr {
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#define L2CAP_FCS_SIZE 2
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#define L2CAP_FCS_SIZE 2
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#define L2CAP_SDULEN_SIZE 2
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#define L2CAP_SDULEN_SIZE 2
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#define L2CAP_PSMLEN_SIZE 2
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#define L2CAP_PSMLEN_SIZE 2
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#define L2CAP_ENH_CTRL_SIZE 2
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#define L2CAP_EXT_CTRL_SIZE 4
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struct l2cap_cmd_hdr {
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struct l2cap_cmd_hdr {
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__u8 code;
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__u8 code;
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@ -446,6 +452,9 @@ struct l2cap_chan {
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__u16 monitor_timeout;
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__u16 monitor_timeout;
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__u16 mps;
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__u16 mps;
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__u8 tx_state;
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__u8 rx_state;
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unsigned long conf_state;
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unsigned long conf_state;
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unsigned long conn_state;
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unsigned long conn_state;
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unsigned long flags;
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unsigned long flags;
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@ -456,9 +465,11 @@ struct l2cap_chan {
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__u16 buffer_seq;
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__u16 buffer_seq;
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__u16 buffer_seq_srej;
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__u16 buffer_seq_srej;
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__u16 srej_save_reqseq;
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__u16 srej_save_reqseq;
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__u16 last_acked_seq;
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__u16 frames_sent;
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__u16 frames_sent;
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__u16 unacked_frames;
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__u16 unacked_frames;
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__u8 retry_count;
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__u8 retry_count;
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__u16 srej_queue_next;
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__u8 num_acked;
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__u8 num_acked;
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__u16 sdu_len;
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__u16 sdu_len;
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struct sk_buff *sdu;
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struct sk_buff *sdu;
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@ -600,6 +611,44 @@ enum {
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FLAG_EFS_ENABLE,
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FLAG_EFS_ENABLE,
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};
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};
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enum {
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L2CAP_TX_STATE_XMIT,
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L2CAP_TX_STATE_WAIT_F,
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};
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enum {
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L2CAP_RX_STATE_RECV,
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L2CAP_RX_STATE_SREJ_SENT,
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};
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enum {
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L2CAP_TXSEQ_EXPECTED,
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L2CAP_TXSEQ_EXPECTED_SREJ,
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L2CAP_TXSEQ_UNEXPECTED,
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L2CAP_TXSEQ_UNEXPECTED_SREJ,
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L2CAP_TXSEQ_DUPLICATE,
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L2CAP_TXSEQ_DUPLICATE_SREJ,
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L2CAP_TXSEQ_INVALID,
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L2CAP_TXSEQ_INVALID_IGNORE,
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};
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enum {
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L2CAP_EV_DATA_REQUEST,
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L2CAP_EV_LOCAL_BUSY_DETECTED,
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L2CAP_EV_LOCAL_BUSY_CLEAR,
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L2CAP_EV_RECV_REQSEQ_AND_FBIT,
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L2CAP_EV_RECV_FBIT,
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L2CAP_EV_RETRANS_TO,
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L2CAP_EV_MONITOR_TO,
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L2CAP_EV_EXPLICIT_POLL,
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L2CAP_EV_RECV_IFRAME,
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L2CAP_EV_RECV_RR,
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L2CAP_EV_RECV_REJ,
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L2CAP_EV_RECV_RNR,
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L2CAP_EV_RECV_SREJ,
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L2CAP_EV_RECV_FRAME,
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};
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static inline void l2cap_chan_hold(struct l2cap_chan *c)
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static inline void l2cap_chan_hold(struct l2cap_chan *c)
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{
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{
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atomic_inc(&c->refcnt);
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atomic_inc(&c->refcnt);
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