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__ */ 107