xref: /linux/drivers/net/ethernet/brocade/bna/cna.h (revision 3f307c3d)
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 #pragma pack(1)
46 
47 typedef struct mac { u8 mac[ETH_ALEN]; } mac_t;
48 
49 #pragma pack()
50 
51 #define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next))
52 #define bfa_q_next(_qe)	(((struct list_head *) (_qe))->next)
53 #define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev)
54 
55 /*
56  * bfa_q_qe_init - to initialize a queue element
57  */
58 #define bfa_q_qe_init(_qe) {						\
59 	bfa_q_next(_qe) = (struct list_head *) NULL;			\
60 	bfa_q_prev(_qe) = (struct list_head *) NULL;			\
61 }
62 
63 /*
64  * bfa_q_deq - dequeue an element from head of the queue
65  */
66 #define bfa_q_deq(_q, _qe) {						\
67 	if (!list_empty(_q)) {						\
68 		(*((struct list_head **) (_qe))) = bfa_q_next(_q);	\
69 		bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) =	\
70 						(struct list_head *) (_q); \
71 		bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \
72 		bfa_q_qe_init(*((struct list_head **) _qe));		\
73 	} else {							\
74 		*((struct list_head **)(_qe)) = NULL;			\
75 	}								\
76 }
77 
78 /*
79  * bfa_q_deq_tail - dequeue an element from tail of the queue
80  */
81 #define bfa_q_deq_tail(_q, _qe) {					\
82 	if (!list_empty(_q)) {						\
83 		*((struct list_head **) (_qe)) = bfa_q_prev(_q);	\
84 		bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) =  \
85 						(struct list_head *) (_q); \
86 		bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\
87 		bfa_q_qe_init(*((struct list_head **) _qe));		\
88 	} else {							\
89 		*((struct list_head **) (_qe)) = (struct list_head *) NULL; \
90 	}								\
91 }
92 
93 /*
94  * bfa_add_tail_head - enqueue an element at the head of queue
95  */
96 #define bfa_q_enq_head(_q, _qe) {					\
97 	if (!(bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL))	\
98 		pr_err("Assertion failure: %s:%d: %d",			\
99 			__FILE__, __LINE__,				\
100 		(bfa_q_next(_qe) == NULL) && (bfa_q_prev(_qe) == NULL));\
101 	bfa_q_next(_qe) = bfa_q_next(_q);				\
102 	bfa_q_prev(_qe) = (struct list_head *) (_q);			\
103 	bfa_q_prev(bfa_q_next(_q)) = (struct list_head *) (_qe);	\
104 	bfa_q_next(_q) = (struct list_head *) (_qe);			\
105 }
106 
107 #endif /* __CNA_H__ */
108