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

   1 /*
   2  * Linux network driver for Brocade 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) 2006-2010 Brocade Communications Systems, Inc.
  15  * All rights reserved
  16  * www.brocade.com
  17  */
  18
  19 #ifndef __CNA_H__
  20 #define __CNA_H__
  21
  22 #include <linux/kernel.h>
  23 #include <linux/types.h>
  24 #include <linux/mutex.h>
  25 #include <linux/pci.h>
  26 #include <linux/delay.h>
  27 #include <linux/bitops.h>
  28 #include <linux/timer.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/if_vlan.h>
  31 #include <linux/if_ether.h>
  32
  33 #define bfa_sm_fault(__event)    do {                            \
  34         pr_err("SM Assertion failure: %s: %d: event = %d\n",    \
  35                  __FILE__, __LINE__, __event);                  \
  36 } while (0)
  37
  38 extern char bfa_version[];
  39
  40 #define CNA_FW_FILE_CT  "ctfw.bin"
  41 #define FC_SYMNAME_MAX  256     /*!< max name server symbolic name size */
  42
  43 #pragma pack(1)
  44
  45 #define MAC_ADDRLEN     (6)
  46 typedef struct mac { u8 mac[MAC_ADDRLEN]; } mac_t;
  47
  48 #pragma pack()
  49
  50 #define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next))
  51 #define bfa_q_next(_qe) (((struct list_head *) (_qe))->next)
  52 #define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev)
  53
  54 /*
  55  * bfa_q_qe_init - to initialize a queue element
  56  */
  57 #define bfa_q_qe_init(_qe) {                                            \
  58         bfa_q_next(_qe) = (struct list_head *) NULL;                    \
  59         bfa_q_prev(_qe) = (struct list_head *) NULL;                    \
  60 }
  61
  62 /*
  63  * bfa_q_deq - dequeue an element from head of the queue
  64  */
  65 #define bfa_q_deq(_q, _qe) {                                            \
  66         if (!list_empty(_q)) {                                          \
  67                 (*((struct list_head **) (_qe))) = bfa_q_next(_q);      \
  68                 bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) =  \
  69                                                 (struct list_head *) (_q); \
  70                 bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \
  71                 bfa_q_qe_init(*((struct list_head **) _qe));            \
  72         } else {                                                        \
  73                 *((struct list_head **)(_qe)) = NULL;                   \
  74         }                                                               \
  75 }
  76
  77 /*
  78  * bfa_q_deq_tail - dequeue an element from tail of the queue
  79  */
  80 #define bfa_q_deq_tail(_q, _qe) {                                       \
  81         if (!list_empty(_q)) {                                          \
  82                 *((struct list_head **) (_qe)) = bfa_q_prev(_q);        \
  83                 bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) =  \
  84                                                 (struct list_head *) (_q); \
  85                 bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\
  86                 bfa_q_qe_init(*((struct list_head **) _qe));            \
  87         } else {                                                        \
  88                 *((struct list_head **) (_qe)) = (struct list_head *) NULL; \
  89         }                                                               \
  90 }
  91
  92 /*
  93  * bfa_add_tail_head - enqueue an element at the head of queue
  94  */
  95 #define bfa_q_enq_head(_q, _qe) {                                       \
  96         if (!(bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL))    \
  97                 pr_err("Assertion failure: %s:%d: %d",                  \
  98                         __FILE__, __LINE__,                             \
  99                 (bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL));\
 100         bfa_q_next(_qe) = bfa_q_next(_q);                               \
 101         bfa_q_prev(_qe) = (struct list_head *) (_q);                    \
 102         bfa_q_prev(bfa_q_next(_q)) = (struct list_head *) (_qe);        \
 103         bfa_q_next(_q) = (struct list_head *) (_qe);                    \
 104 }
 105
 106 #endif /* __CNA_H__ */