Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  *  
  3  *  Copyright (C) 2002 Intersil Americas Inc.
  4  *  Copyright (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
  5  *
  6  *  This program is free software; you can redistribute it and/or modify
  7  *  it under the terms of the GNU General Public License as published by
  8  *  the Free Software Foundation; either version 2 of the License
  9  *
 10  *  This program is distributed in the hope that it will be useful,
 11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  *  GNU General Public License for more details.
 14  *
 15  *  You should have received a copy of the GNU General Public License
 16  *  along with this program; if not, write to the Free Software
 17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  *
 19  */
 20 
 21 #ifndef _ISLPCI_MGT_H
 22 #define _ISLPCI_MGT_H
 23 
 24 #include <linux/wireless.h>
 25 #include <linux/skbuff.h>
 26 
 27 /*
 28  *  Function definitions
 29  */
 30 
 31 #define K_DEBUG(f, m, args...) do { if(f & m) printk(KERN_DEBUG args); } while(0)
 32 #define DEBUG(f, args...) K_DEBUG(f, pc_debug, args)
 33 
 34 extern int pc_debug;
 35 #define init_wds 0      /* help compiler optimize away dead code */
 36 
 37 
 38 /* General driver definitions */
 39 #define PCIDEVICE_LATENCY_TIMER_MIN             0x40
 40 #define PCIDEVICE_LATENCY_TIMER_VAL             0x50
 41 
 42 /* Debugging verbose definitions */
 43 #define SHOW_NOTHING                            0x00    /* overrules everything */
 44 #define SHOW_ANYTHING                           0xFF
 45 #define SHOW_ERROR_MESSAGES                     0x01
 46 #define SHOW_TRAPS                              0x02
 47 #define SHOW_FUNCTION_CALLS                     0x04
 48 #define SHOW_TRACING                            0x08
 49 #define SHOW_QUEUE_INDEXES                      0x10
 50 #define SHOW_PIMFOR_FRAMES                      0x20
 51 #define SHOW_BUFFER_CONTENTS                    0x40
 52 #define VERBOSE                                 0x01
 53 
 54 /* Default card definitions */
 55 #define CARD_DEFAULT_CHANNEL                    6
 56 #define CARD_DEFAULT_MODE                       INL_MODE_CLIENT
 57 #define CARD_DEFAULT_IW_MODE                    IW_MODE_INFRA
 58 #define CARD_DEFAULT_BSSTYPE                    DOT11_BSSTYPE_INFRA
 59 #define CARD_DEFAULT_CLIENT_SSID                ""
 60 #define CARD_DEFAULT_AP_SSID                    "default"
 61 #define CARD_DEFAULT_KEY1                       "default_key_1"
 62 #define CARD_DEFAULT_KEY2                       "default_key_2"
 63 #define CARD_DEFAULT_KEY3                       "default_key_3"
 64 #define CARD_DEFAULT_KEY4                       "default_key_4"
 65 #define CARD_DEFAULT_WEP                        0
 66 #define CARD_DEFAULT_FILTER                     0
 67 #define CARD_DEFAULT_WDS                        0
 68 #define CARD_DEFAULT_AUTHEN                     DOT11_AUTH_OS
 69 #define CARD_DEFAULT_DOT1X                      0
 70 #define CARD_DEFAULT_MLME_MODE                  DOT11_MLME_AUTO
 71 #define CARD_DEFAULT_CONFORMANCE                OID_INL_CONFORMANCE_NONE
 72 #define CARD_DEFAULT_PROFILE                    DOT11_PROFILE_MIXED_G_WIFI
 73 #define CARD_DEFAULT_MAXFRAMEBURST              DOT11_MAXFRAMEBURST_MIXED_SAFE
 74 
 75 /* PIMFOR package definitions */
 76 #define PIMFOR_ETHERTYPE                        0x8828
 77 #define PIMFOR_HEADER_SIZE                      12
 78 #define PIMFOR_VERSION                          1
 79 #define PIMFOR_OP_GET                           0
 80 #define PIMFOR_OP_SET                           1
 81 #define PIMFOR_OP_RESPONSE                      2
 82 #define PIMFOR_OP_ERROR                         3
 83 #define PIMFOR_OP_TRAP                          4
 84 #define PIMFOR_OP_RESERVED                      5       /* till 255 */
 85 #define PIMFOR_DEV_ID_MHLI_MIB                  0
 86 #define PIMFOR_FLAG_APPLIC_ORIGIN               0x01
 87 #define PIMFOR_FLAG_LITTLE_ENDIAN               0x02
 88 
 89 static inline void
 90 add_le32p(u32 * le_number, u32 add)
 91 {
 92         *le_number = cpu_to_le32(le32_to_cpup(le_number) + add);
 93 }
 94 
 95 void display_buffer(char *, int);
 96 
 97 /*
 98  *  Type definition section
 99  *
100  *  the structure defines only the header allowing copyless
101  *  frame handling
102  */
103 typedef struct {
104         u8 version;
105         u8 operation;
106         u32 oid;
107         u8 device_id;
108         u8 flags;
109         u32 length;
110 } __attribute__ ((packed))
111 pimfor_header_t;
112 
113 /* A received and interrupt-processed management frame, either for
114  * schedule_work(prism54_process_trap) or for priv->mgmt_received,
115  * processed by islpci_mgt_transaction(). */
116 struct islpci_mgmtframe {
117         struct net_device *ndev;      /* pointer to network device */
118         pimfor_header_t *header;      /* payload header, points into buf */
119         void *data;                   /* payload ex header, points into buf */
120         struct work_struct ws;        /* argument for schedule_work() */
121         char buf[0];                  /* fragment buffer */
122 };
123 
124 int
125 islpci_mgt_receive(struct net_device *ndev);
126 
127 int
128 islpci_mgmt_rx_fill(struct net_device *ndev);
129 
130 void
131 islpci_mgt_cleanup_transmit(struct net_device *ndev);
132 
133 int
134 islpci_mgt_transaction(struct net_device *ndev,
135                        int operation, unsigned long oid,
136                        void *senddata, int sendlen,
137                        struct islpci_mgmtframe **recvframe);
138 
139 static inline void
140 islpci_mgt_release(struct islpci_mgmtframe *frame)
141 {
142         kfree(frame);
143 }
144 
145 #endif                          /* _ISLPCI_MGT_H */
146 
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