2 files changed, 18 insertions, 5 deletions

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ba2760802ded..41904f611d12 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -60,6 +60,7 @@ struct iscsi_nopin;
 #define TMABORT_SUCCESS                 0x1
 #define TMABORT_FAILED                  0x2
 #define TMABORT_TIMEDOUT                0x3
+#define TMABORT_NOT_FOUND               0x4
 
 /* Connection suspend "bit" */
 #define ISCSI_SUSPEND_BIT               1
@@ -83,6 +84,12 @@ struct iscsi_mgmt_task {
         struct list_head        running;
 };
 
+enum {
+        ISCSI_TASK_COMPLETED,
+        ISCSI_TASK_PENDING,
+        ISCSI_TASK_RUNNING,
+};
+
 struct iscsi_cmd_task {
         /*
          * Becuae LLDs allocate their hdr differently, this is a pointer to
@@ -101,6 +108,8 @@ struct iscsi_cmd_task {
         struct iscsi_conn       *conn;          /* used connection    */
         struct iscsi_mgmt_task  *mtask;         /* tmf mtask in progr */
 
+        /* state set/tested under session->lock */
+        int                     state;
         struct list_head        running;        /* running cmd list */
         void                    *dd_data;       /* driver/transport data */
 };
@@ -126,6 +135,14 @@ struct iscsi_conn {
         int                     id;             /* CID */
         struct list_head        item;           /* maintains list of conns */
         int                     c_stage;        /* connection state */
+        /*
+         * Preallocated buffer for pdus that have data but do not
+         * originate from scsi-ml. We never have two pdus using the
+         * buffer at the same time. It is only allocated to
+         * the default max recv size because the pdus we support
+         * should always fit in this buffer
+         */
+        char                    *data;
         struct iscsi_mgmt_task  *login_mtask;   /* mtask used for login/text */
         struct iscsi_mgmt_task  *mtask;         /* xmit mtask in progress */
         struct iscsi_cmd_task   *ctask;         /* xmit ctask in progress */
@@ -134,7 +151,7 @@ struct iscsi_conn {
         struct kfifo            *immqueue;      /* immediate xmit queue */
         struct kfifo            *mgmtqueue;     /* mgmt (control) xmit queue */
         struct list_head        mgmt_run_list;  /* list of control tasks */
-        struct kfifo            *xmitqueue;     /* data-path cmd queue */
+        struct list_head        xmitqueue;      /* data-path cmd queue */
         struct list_head        run_list;       /* list of cmds in progress */
         struct work_struct      xmitwork;       /* per-conn. xmit workqueue */
         /*
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 5a3df1d7085f..39e833260bd0 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -57,8 +57,6 @@ struct sockaddr;
  * @stop_conn:          suspend/recover/terminate connection
  * @send_pdu:           send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text.
  * @session_recovery_timedout: notify LLD a block during recovery timed out
- * @suspend_conn_recv:  susepend the recv side of the connection
- * @termincate_conn:    destroy socket connection. Called with mutex lock.
  * @init_cmd_task:      Initialize a iscsi_cmd_task and any internal structs.
  *                      Called from queuecommand with session lock held.
  * @init_mgmt_task:     Initialize a iscsi_mgmt_task and any internal structs.
@@ -112,8 +110,6 @@ struct iscsi_transport {
                          char *data, uint32_t data_size);
         void (*get_stats) (struct iscsi_cls_conn *conn,
                            struct iscsi_stats *stats);
-        void (*suspend_conn_recv) (struct iscsi_conn *conn);
-        void (*terminate_conn) (struct iscsi_conn *conn);
         void (*init_cmd_task) (struct iscsi_cmd_task *ctask);
         void (*init_mgmt_task) (struct iscsi_conn *conn,
                                 struct iscsi_mgmt_task *mtask,