Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 137 insertions, 88 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 6c241444f902..d09c9b1118e3 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -1,4 +1,4 @@
-/* 
+/*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
    Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org>
@@ -14,13 +14,13 @@
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
-   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
-   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
-   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
-   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
    SOFTWARE IS DISCLAIMED.
 */
 
@@ -38,6 +38,7 @@
 #define L2CAP_DEFAULT_MAX_PDU_SIZE      1009    /* Sized for 3-DH5 packet */
 #define L2CAP_DEFAULT_ACK_TO            200
 #define L2CAP_LOCAL_BUSY_TRIES          12
+#define L2CAP_LE_DEFAULT_MTU            23
 
 #define L2CAP_CONN_TIMEOUT      (40000) /* 40 seconds */
 #define L2CAP_INFO_TIMEOUT      (4000)  /*  4 seconds */
@@ -88,6 +89,8 @@ struct l2cap_conninfo {
 #define L2CAP_ECHO_RSP          0x09
 #define L2CAP_INFO_REQ          0x0a
 #define L2CAP_INFO_RSP          0x0b
+#define L2CAP_CONN_PARAM_UPDATE_REQ     0x12
+#define L2CAP_CONN_PARAM_UPDATE_RSP     0x13
 
 /* L2CAP feature mask */
 #define L2CAP_FEAT_FLOWCTL      0x00000001
@@ -160,6 +163,9 @@ struct l2cap_conn_rsp {
 /* channel indentifier */
 #define L2CAP_CID_SIGNALING     0x0001
 #define L2CAP_CID_CONN_LESS     0x0002
+#define L2CAP_CID_LE_DATA       0x0004
+#define L2CAP_CID_LE_SIGNALING  0x0005
+#define L2CAP_CID_SMP           0x0006
 #define L2CAP_CID_DYN_START     0x0040
 #define L2CAP_CID_DYN_END       0xffff
 
@@ -255,63 +261,32 @@ struct l2cap_info_rsp {
 #define L2CAP_IR_SUCCESS    0x0000
 #define L2CAP_IR_NOTSUPP    0x0001
 
-/* ----- L2CAP connections ----- */
-struct l2cap_chan_list {
-        struct sock     *head;
-        rwlock_t        lock;
-        long            num;
-};
-
-struct l2cap_conn {
-        struct hci_conn *hcon;
-
-        bdaddr_t        *dst;
-        bdaddr_t        *src;
-
-        unsigned int    mtu;
-
-        __u32           feat_mask;
-
-        __u8            info_state;
-        __u8            info_ident;
-
-        struct timer_list info_timer;
-
-        spinlock_t      lock;
-
-        struct sk_buff *rx_skb;
-        __u32           rx_len;
-        __u8            rx_ident;
-        __u8            tx_ident;
-
-        __u8            disc_reason;
-
-        struct l2cap_chan_list chan_list;
-};
-
-struct sock_del_list {
-        struct sock *sk;
-        struct list_head list;
-};
+struct l2cap_conn_param_update_req {
+        __le16      min;
+        __le16      max;
+        __le16      latency;
+        __le16      to_multiplier;
+} __packed;
 
-#define L2CAP_INFO_CL_MTU_REQ_SENT      0x01
-#define L2CAP_INFO_FEAT_MASK_REQ_SENT   0x04
-#define L2CAP_INFO_FEAT_MASK_REQ_DONE   0x08
+struct l2cap_conn_param_update_rsp {
+        __le16      result;
+} __packed;
 
-/* ----- L2CAP channel and socket info ----- */
-#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
-#define TX_QUEUE(sk) (&l2cap_pi(sk)->tx_queue)
-#define SREJ_QUEUE(sk) (&l2cap_pi(sk)->srej_queue)
-#define BUSY_QUEUE(sk) (&l2cap_pi(sk)->busy_queue)
-#define SREJ_LIST(sk) (&l2cap_pi(sk)->srej_l.list)
+/* Connection Parameters result */
+#define L2CAP_CONN_PARAM_ACCEPTED       0x0000
+#define L2CAP_CONN_PARAM_REJECTED       0x0001
 
+/* ----- L2CAP channels and connections ----- */
 struct srej_list {
         __u8    tx_seq;
         struct list_head list;
 };
 
-struct l2cap_pinfo {
-        struct bt_sock  bt;
+struct l2cap_chan {
+        struct sock *sk;
+
+        struct l2cap_conn       *conn;
+
         __le16          psm;
         __u16           dcid;
         __u16           scid;
@@ -320,16 +295,29 @@ struct l2cap_pinfo {
         __u16           omtu;
         __u16           flush_to;
         __u8            mode;
-        __u8            num_conf_req;
-        __u8            num_conf_rsp;
 
-        __u8            fcs;
+        __le16          sport;
+
         __u8            sec_level;
         __u8            role_switch;
         __u8            force_reliable;
+        __u8            flushable;
+
+        __u8            ident;
 
         __u8            conf_req[64];
         __u8            conf_len;
+        __u8            num_conf_req;
+        __u8            num_conf_rsp;
+
+        __u8            fcs;
+
+        __u8            tx_win;
+        __u8            max_tx;
+        __u16           retrans_timeout;
+        __u16           monitor_timeout;
+        __u16           mps;
+
         __u8            conf_state;
         __u16           conn_state;
 
@@ -347,30 +335,61 @@ struct l2cap_pinfo {
         __u16           partial_sdu_len;
         struct sk_buff  *sdu;
 
-        __u8            ident;
-
-        __u8            tx_win;
-        __u8            max_tx;
         __u8            remote_tx_win;
         __u8            remote_max_tx;
-        __u16           retrans_timeout;
-        __u16           monitor_timeout;
         __u16           remote_mps;
-        __u16           mps;
-
-        __le16          sport;
 
         struct timer_list       retrans_timer;
         struct timer_list       monitor_timer;
         struct timer_list       ack_timer;
-        struct sk_buff_head     tx_queue;
-        struct sk_buff_head     srej_queue;
-        struct sk_buff_head     busy_queue;
+        struct sk_buff          *tx_send_head;
+        struct sk_buff_head     tx_q;
+        struct sk_buff_head     srej_q;
+        struct sk_buff_head     busy_q;
         struct work_struct      busy_work;
-        struct srej_list        srej_l;
-        struct l2cap_conn       *conn;
-        struct sock             *next_c;
-        struct sock             *prev_c;
+        struct list_head        srej_l;
+
+        struct list_head list;
+        struct list_head global_l;
+};
+
+struct l2cap_conn {
+        struct hci_conn *hcon;
+
+        bdaddr_t        *dst;
+        bdaddr_t        *src;
+
+        unsigned int    mtu;
+
+        __u32           feat_mask;
+
+        __u8            info_state;
+        __u8            info_ident;
+
+        struct timer_list info_timer;
+
+        spinlock_t      lock;
+
+        struct sk_buff *rx_skb;
+        __u32           rx_len;
+        __u8            tx_ident;
+
+        __u8            disc_reason;
+
+        struct list_head chan_l;
+        rwlock_t        chan_lock;
+};
+
+#define L2CAP_INFO_CL_MTU_REQ_SENT      0x01
+#define L2CAP_INFO_FEAT_MASK_REQ_SENT   0x04
+#define L2CAP_INFO_FEAT_MASK_REQ_DONE   0x08
+
+/* ----- L2CAP socket info ----- */
+#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
+
+struct l2cap_pinfo {
+        struct bt_sock  bt;
+        struct l2cap_chan       *chan;
 };
 
 #define L2CAP_CONF_REQ_SENT       0x01
@@ -397,32 +416,62 @@ struct l2cap_pinfo {
 #define L2CAP_CONN_RNR_SENT        0x0200
 #define L2CAP_CONN_SAR_RETRY       0x0400
 
-#define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \
+#define __mod_retrans_timer() mod_timer(&chan->retrans_timer, \
                 jiffies +  msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO));
-#define __mod_monitor_timer() mod_timer(&l2cap_pi(sk)->monitor_timer, \
+#define __mod_monitor_timer() mod_timer(&chan->monitor_timer, \
                 jiffies + msecs_to_jiffies(L2CAP_DEFAULT_MONITOR_TO));
-#define __mod_ack_timer() mod_timer(&l2cap_pi(sk)->ack_timer, \
+#define __mod_ack_timer() mod_timer(&chan->ack_timer, \
                 jiffies + msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO));
 
-static inline int l2cap_tx_window_full(struct sock *sk)
+static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
 {
-        struct l2cap_pinfo *pi = l2cap_pi(sk);
         int sub;
 
-        sub = (pi->next_tx_seq - pi->expected_ack_seq) % 64;
+        sub = (ch->next_tx_seq - ch->expected_ack_seq) % 64;
 
         if (sub < 0)
                 sub += 64;
 
-        return (sub == pi->remote_tx_win);
+        return sub == ch->remote_tx_win;
 }
 
-#define __get_txseq(ctrl) ((ctrl) & L2CAP_CTRL_TXSEQ) >> 1
-#define __get_reqseq(ctrl) ((ctrl) & L2CAP_CTRL_REQSEQ) >> 8
-#define __is_iframe(ctrl) !((ctrl) & L2CAP_CTRL_FRAME_TYPE)
-#define __is_sframe(ctrl) (ctrl) & L2CAP_CTRL_FRAME_TYPE
-#define __is_sar_start(ctrl) ((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START
-
-void l2cap_load(void);
+#define __get_txseq(ctrl)       (((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
+#define __get_reqseq(ctrl)      (((ctrl) & L2CAP_CTRL_REQSEQ) >> 8)
+#define __is_iframe(ctrl)       (!((ctrl) & L2CAP_CTRL_FRAME_TYPE))
+#define __is_sframe(ctrl)       ((ctrl) & L2CAP_CTRL_FRAME_TYPE)
+#define __is_sar_start(ctrl)    (((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
+
+extern int disable_ertm;
+
+int l2cap_init_sockets(void);
+void l2cap_cleanup_sockets(void);
+
+void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data);
+void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
+int __l2cap_wait_ack(struct sock *sk);
+
+struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
+struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
+struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
+int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
+void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb);
+void l2cap_streaming_send(struct l2cap_chan *chan);
+int l2cap_ertm_send(struct l2cap_chan *chan);
+
+int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
+int l2cap_add_scid(struct l2cap_chan *chan,  __u16 scid);
+
+void l2cap_sock_set_timer(struct sock *sk, long timeout);
+void l2cap_sock_clear_timer(struct sock *sk);
+void __l2cap_sock_close(struct sock *sk, int reason);
+void l2cap_sock_kill(struct sock *sk);
+void l2cap_sock_init(struct sock *sk, struct sock *parent);
+struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
+                                                        int proto, gfp_t prio);
+void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err);
+struct l2cap_chan *l2cap_chan_create(struct sock *sk);
+void l2cap_chan_del(struct l2cap_chan *chan, int err);
+void l2cap_chan_destroy(struct l2cap_chan *chan);
+int l2cap_chan_connect(struct l2cap_chan *chan);
 
 #endif /* __L2CAP_H */