Return-Path: From: Mat Martineau To: linux-bluetooth@vger.kernel.org Cc: padovan@profusion.mobi, pkrystad@codeaurora.org, marcel@holtmann.org, Mat Martineau Subject: [PATCH 1/4] Bluetooth: Add definitions and struct members for new ERTM state machine Date: Fri, 23 Mar 2012 16:56:55 -0700 Message-Id: <1332547018-19468-2-git-send-email-mathewm@codeaurora.org> In-Reply-To: <1332547018-19468-1-git-send-email-mathewm@codeaurora.org> References: <1332547018-19468-1-git-send-email-mathewm@codeaurora.org> List-ID: 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 --- include/net/bluetooth/l2cap.h | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 9b242c6..ed36f00 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -139,6 +139,8 @@ struct l2cap_conninfo { #define L2CAP_CTRL_TXSEQ_SHIFT 1 #define L2CAP_CTRL_SUPER_SHIFT 2 +#define L2CAP_CTRL_POLL_SHIFT 4 +#define L2CAP_CTRL_FINAL_SHIFT 7 #define L2CAP_CTRL_REQSEQ_SHIFT 8 #define L2CAP_CTRL_SAR_SHIFT 14 @@ -152,9 +154,11 @@ struct l2cap_conninfo { #define L2CAP_EXT_CTRL_FINAL 0x00000002 #define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */ +#define L2CAP_EXT_CTRL_FINAL_SHIFT 1 #define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2 #define L2CAP_EXT_CTRL_SAR_SHIFT 16 #define L2CAP_EXT_CTRL_SUPER_SHIFT 16 +#define L2CAP_EXT_CTRL_POLL_SHIFT 18 #define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18 /* L2CAP Supervisory Function */ @@ -186,6 +190,8 @@ struct l2cap_hdr { #define L2CAP_FCS_SIZE 2 #define L2CAP_SDULEN_SIZE 2 #define L2CAP_PSMLEN_SIZE 2 +#define L2CAP_ENH_CTRL_SIZE 2 +#define L2CAP_EXT_CTRL_SIZE 4 struct l2cap_cmd_hdr { __u8 code; @@ -446,6 +452,9 @@ struct l2cap_chan { __u16 monitor_timeout; __u16 mps; + __u8 tx_state; + __u8 rx_state; + unsigned long conf_state; unsigned long conn_state; unsigned long flags; @@ -456,9 +465,11 @@ struct l2cap_chan { __u16 buffer_seq; __u16 buffer_seq_srej; __u16 srej_save_reqseq; + __u16 last_acked_seq; __u16 frames_sent; __u16 unacked_frames; __u8 retry_count; + __u16 srej_queue_next; __u8 num_acked; __u16 sdu_len; struct sk_buff *sdu; @@ -600,6 +611,44 @@ enum { FLAG_EFS_ENABLE, }; +enum { + L2CAP_TX_STATE_XMIT, + L2CAP_TX_STATE_WAIT_F, +}; + +enum { + L2CAP_RX_STATE_RECV, + L2CAP_RX_STATE_SREJ_SENT, +}; + +enum { + L2CAP_TXSEQ_EXPECTED, + L2CAP_TXSEQ_EXPECTED_SREJ, + L2CAP_TXSEQ_UNEXPECTED, + L2CAP_TXSEQ_UNEXPECTED_SREJ, + L2CAP_TXSEQ_DUPLICATE, + L2CAP_TXSEQ_DUPLICATE_SREJ, + L2CAP_TXSEQ_INVALID, + L2CAP_TXSEQ_INVALID_IGNORE, +}; + +enum { + L2CAP_EV_DATA_REQUEST, + L2CAP_EV_LOCAL_BUSY_DETECTED, + L2CAP_EV_LOCAL_BUSY_CLEAR, + L2CAP_EV_RECV_REQSEQ_AND_FBIT, + L2CAP_EV_RECV_FBIT, + L2CAP_EV_RETRANS_TO, + L2CAP_EV_MONITOR_TO, + L2CAP_EV_EXPLICIT_POLL, + L2CAP_EV_RECV_IFRAME, + L2CAP_EV_RECV_RR, + L2CAP_EV_RECV_REJ, + L2CAP_EV_RECV_RNR, + L2CAP_EV_RECV_SREJ, + L2CAP_EV_RECV_FRAME, +}; + static inline void l2cap_chan_hold(struct l2cap_chan *c) { atomic_inc(&c->refcnt); -- 1.7.9.4 -- Mat Martineau Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum