drivers/net/ethernet/brocade/bna/cna.h

   1 /*
   2  * Linux network driver for QLogic BR-series Converged Network Adapter.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License (GPL) Version 2 as
   6  * published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  */
  13 /*
  14  * Copyright (c) 2006-2014 Brocade Communications Systems, Inc.
  15  * Copyright (c) 2014-2015 QLogic Corporation
  16  * All rights reserved
  17  * www.qlogic.com
  18  */
  19
  20 #ifndef __CNA_H__
  21 #define __CNA_H__
  22
  23 #include <linux/kernel.h>
  24 #include <linux/types.h>
  25 #include <linux/mutex.h>
  26 #include <linux/pci.h>
  27 #include <linux/delay.h>
  28 #include <linux/bitops.h>
  29 #include <linux/timer.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/if_vlan.h>
  32 #include <linux/if_ether.h>
  33
  34 #define bfa_sm_fault(__event)    do {                            \
  35         pr_err("SM Assertion failure: %s: %d: event = %d\n",    \
  36                  __FILE__, __LINE__, __event);                  \
  37 } while (0)
  38
  39 extern char bfa_version[];
  40
  41 #define CNA_FW_FILE_CT  "ctfw-3.2.5.1.bin"
  42 #define CNA_FW_FILE_CT2 "ct2fw-3.2.5.1.bin"
  43 #define FC_SYMNAME_MAX  256     /*!< max name server symbolic name size */
  44
  45 #define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next))
  46 #define bfa_q_next(_qe) (((struct list_head *) (_qe))->next)
  47 #define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev)
  48
  49 /*
  50  * bfa_q_qe_init - to initialize a queue element
  51  */
  52 #define bfa_q_qe_init(_qe) {                                            \
  53         bfa_q_next(_qe) = (struct list_head *) NULL;                    \
  54         bfa_q_prev(_qe) = (struct list_head *) NULL;                    \
  55 }
  56
  57 /*
  58  * bfa_q_deq - dequeue an element from head of the queue
  59  */
  60 #define bfa_q_deq(_q, _qe) {                                            \
  61         if (!list_empty(_q)) {                                          \
  62                 (*((struct list_head **) (_qe))) = bfa_q_next(_q);      \
  63                 bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) =  \
  64                                                 (struct list_head *) (_q); \
  65                 bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \
  66                 bfa_q_qe_init(*((struct list_head **) _qe));            \
  67         } else {                                                        \
  68                 *((struct list_head **)(_qe)) = NULL;                   \
  69         }                                                               \
  70 }
  71
  72 /*
  73  * bfa_q_deq_tail - dequeue an element from tail of the queue
  74  */
  75 #define bfa_q_deq_tail(_q, _qe) {                                       \
  76         if (!list_empty(_q)) {                                          \
  77                 *((struct list_head **) (_qe)) = bfa_q_prev(_q);        \
  78                 bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) =  \
  79                                                 (struct list_head *) (_q); \
  80                 bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\
  81                 bfa_q_qe_init(*((struct list_head **) _qe));            \
  82         } else {                                                        \
  83                 *((struct list_head **) (_qe)) = (struct list_head *) NULL; \
  84         }                                                               \
  85 }
  86
  87 /*
  88  * bfa_add_tail_head - enqueue an element at the head of queue
  89  */
  90 #define bfa_q_enq_head(_q, _qe) {                                       \
  91         if (!(bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL))    \
  92                 pr_err("Assertion failure: %s:%d: %d",                  \
  93                         __FILE__, __LINE__,                             \
  94                 (bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL));\
  95         bfa_q_next(_qe) = bfa_q_next(_q);                               \
  96         bfa_q_prev(_qe) = (struct list_head *) (_q);                    \
  97         bfa_q_prev(bfa_q_next(_q)) = (struct list_head *) (_qe);        \
  98         bfa_q_next(_q) = (struct list_head *) (_qe);                    \
  99 }
 100
 101 #endif /* __CNA_H__ */