drivers/infiniband/hw/ipath/ipath_layer.h

   1 /*
   2  * Copyright (c) 2006 QLogic, Inc. All rights reserved.
   3  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33
  34 #ifndef _IPATH_LAYER_H
  35 #define _IPATH_LAYER_H
  36
  37 /*
  38  * This header file is for symbols shared between the infinipath driver
  39  * and drivers layered upon it (such as ipath).
  40  */
  41
  42 struct sk_buff;
  43 struct ipath_devdata;
  44 struct ether_header;
  45
  46 int ipath_layer_register(void *(*l_add)(int, struct ipath_devdata *),
  47                          void (*l_remove)(void *),
  48                          int (*l_intr)(void *, u32),
  49                          int (*l_rcv)(void *, void *,
  50                                       struct sk_buff *),
  51                          u16 rcv_opcode,
  52                          int (*l_rcv_lid)(void *, void *));
  53 void ipath_layer_unregister(void);
  54 int ipath_layer_open(struct ipath_devdata *, u32 * pktmax);
  55 u16 ipath_layer_get_lid(struct ipath_devdata *dd);
  56 int ipath_layer_get_mac(struct ipath_devdata *dd, u8 *);
  57 u16 ipath_layer_get_bcast(struct ipath_devdata *dd);
  58 int ipath_layer_send_hdr(struct ipath_devdata *dd,
  59                          struct ether_header *hdr);
  60 int ipath_layer_set_piointbufavail_int(struct ipath_devdata *dd);
  61
  62 /* ipath_ether interrupt values */
  63 #define IPATH_LAYER_INT_IF_UP 0x2
  64 #define IPATH_LAYER_INT_IF_DOWN 0x4
  65 #define IPATH_LAYER_INT_LID 0x8
  66 #define IPATH_LAYER_INT_SEND_CONTINUE 0x10
  67 #define IPATH_LAYER_INT_BCAST 0x40
  68
  69 extern unsigned ipath_debug; /* debugging bit mask */
  70
  71 #endif                          /* _IPATH_LAYER_H */