Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2003,2004 Aurelien Alleaume <slts@free.fr> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | #include "prismcompat.h" |
| 20 | #include "islpci_dev.h" |
| 21 | #include "islpci_mgt.h" |
| 22 | #include "isl_oid.h" |
| 23 | #include "oid_mgt.h" |
| 24 | #include "isl_ioctl.h" |
| 25 | |
| 26 | /* to convert between channel and freq */ |
| 27 | static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432, |
| 28 | 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484 |
| 29 | }; |
| 30 | |
| 31 | int |
| 32 | channel_of_freq(int f) |
| 33 | { |
| 34 | int c = 0; |
| 35 | |
| 36 | if ((f >= 2412) && (f <= 2484)) { |
| 37 | while ((c < 14) && (f != frequency_list_bg[c])) |
| 38 | c++; |
| 39 | return (c >= 14) ? 0 : ++c; |
| 40 | } else if ((f >= (int) 5000) && (f <= (int) 6000)) { |
| 41 | return ( (f - 5000) / 5 ); |
| 42 | } else |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | #define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t} |
| 47 | #define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED) |
| 48 | #define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32) |
| 49 | #define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32) |
| 50 | #define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME) |
| 51 | #define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX) |
| 52 | |
| 53 | #define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0) |
| 54 | |
| 55 | struct oid_t isl_oid[] = { |
| 56 | OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR), |
| 57 | OID_U32(GEN_OID_LINKSTATE, 0x00000001), |
| 58 | OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002), |
| 59 | OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003), |
| 60 | OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004), |
| 61 | OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005), |
| 62 | |
| 63 | /* 802.11 */ |
| 64 | OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000), |
| 65 | OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW), |
| 66 | OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid, |
| 67 | OID_TYPE_SSID), |
| 68 | OID_U32(DOT11_OID_STATE, 0x10000003), |
| 69 | OID_U32(DOT11_OID_AID, 0x10000004), |
| 70 | OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW), |
| 71 | OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid, |
| 72 | OID_TYPE_SSID), |
| 73 | |
| 74 | OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000), |
| 75 | OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001), |
| 76 | OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002), |
| 77 | OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003), |
| 78 | OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004), |
| 79 | OID_U32(DOT11_OID_CFPPERIOD, 0x11000005), |
| 80 | OID_U32(DOT11_OID_CFPDURATION, 0x11000006), |
| 81 | |
| 82 | OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000), |
| 83 | OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001), |
| 84 | OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002), |
| 85 | OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003), |
| 86 | [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key), |
| 87 | OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */ |
| 88 | OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008), |
| 89 | OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009), |
| 90 | OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a), |
| 91 | |
| 92 | OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000), |
| 93 | OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001), |
| 94 | OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002), |
| 95 | OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003), |
| 96 | |
| 97 | OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000), |
| 98 | OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001), |
| 99 | OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002), |
| 100 | OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003), |
| 101 | OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004), |
| 102 | OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005), |
| 103 | OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006), |
| 104 | OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007), |
| 105 | |
| 106 | OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000), |
| 107 | OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001), |
| 108 | OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002), |
| 109 | OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003), |
| 110 | OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004), |
| 111 | OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005), |
| 112 | OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006), |
| 113 | |
| 114 | [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0}, |
| 115 | OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008), |
| 116 | |
| 117 | OID_U32(DOT11_OID_PSM, 0x14000000), |
| 118 | OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001), |
| 119 | OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002), |
| 120 | OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003), |
| 121 | |
| 122 | OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000), |
| 123 | OID_U32(DOT11_OID_CLIENTS, 0x15000001), |
| 124 | OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002), |
| 125 | [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */ |
| 126 | |
| 127 | OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR), |
| 128 | OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR), |
| 129 | OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR), |
| 130 | OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR), |
| 131 | OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR), |
| 132 | OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0), |
| 133 | OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1), |
| 134 | OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2), |
| 135 | |
| 136 | OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000), |
| 137 | OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001), |
| 138 | OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002), |
| 139 | OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003), |
| 140 | OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004), |
| 141 | OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005), |
| 142 | OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006), |
| 143 | OID_U32(DOT11_OID_RTSFAILED, 0x16000007), |
| 144 | OID_U32(DOT11_OID_ACKFAILED, 0x16000008), |
| 145 | OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009), |
| 146 | OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A), |
| 147 | OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B), |
| 148 | OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C), |
| 149 | |
| 150 | OID_U32(DOT11_OID_SLOTTIME, 0x17000000), |
| 151 | OID_U32(DOT11_OID_CWMIN, 0x17000001), |
| 152 | OID_U32(DOT11_OID_CWMAX, 0x17000002), |
| 153 | OID_U32(DOT11_OID_ACKWINDOW, 0x17000003), |
| 154 | OID_U32(DOT11_OID_ANTENNARX, 0x17000004), |
| 155 | OID_U32(DOT11_OID_ANTENNATX, 0x17000005), |
| 156 | OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006), |
| 157 | OID_U32_C(DOT11_OID_CHANNEL, 0x17000007), |
| 158 | OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008), |
| 159 | OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009), |
| 160 | OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1], |
| 161 | OID_TYPE_RAW), |
| 162 | OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B), |
| 163 | OID_U32(DOT11_OID_CCAMODE, 0x1700000C), |
| 164 | OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D), |
| 165 | OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E), |
| 166 | OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F), |
| 167 | OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010, |
| 168 | u8[IWMAX_BITRATES + 1], OID_TYPE_RAW), |
| 169 | OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011), |
| 170 | [DOT11_OID_SUPPORTEDFREQUENCIES] = |
| 171 | {0x17000012, 0, sizeof (struct obj_frequencies) |
| 172 | + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES}, |
| 173 | |
| 174 | OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013), |
| 175 | OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1], |
| 176 | OID_TYPE_RAW), |
| 177 | OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015), |
| 178 | OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016), |
| 179 | OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017), |
| 180 | OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018), |
| 181 | OID_U32(DOT11_OID_PROFILES, 0x17000019), |
| 182 | OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020, |
| 183 | u8[IWMAX_BITRATES + 1], OID_TYPE_RAW), |
| 184 | |
| 185 | OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000), |
| 186 | OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001), |
| 187 | OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002), |
| 188 | OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003), |
| 189 | OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004), |
| 190 | OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005), |
| 191 | OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006), |
| 192 | OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007), |
| 193 | OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008), |
| 194 | OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009), |
| 195 | OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A), |
| 196 | OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B), |
| 197 | OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C), |
| 198 | |
| 199 | OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000), |
| 200 | |
| 201 | OID_U32(DOT11_OID_STATIMEOUT, 0x19000000), |
| 202 | OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001), |
| 203 | OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002), |
| 204 | [DOT11_OID_ATTACHMENT] = {0x19000003, 0, |
| 205 | sizeof(struct obj_attachment), OID_TYPE_ATTACH}, |
| 206 | OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer, |
| 207 | OID_TYPE_BUFFER), |
| 208 | |
| 209 | OID_U32(DOT11_OID_BSSS, 0x1C000000), |
| 210 | [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss), |
| 211 | OID_TYPE_BSS}, /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */ |
| 212 | OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS), |
| 213 | [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct |
| 214 | obj_bsslist) + |
| 215 | sizeof (struct obj_bss[IWMAX_BSS]), |
| 216 | OID_TYPE_BSSLIST}, |
| 217 | |
| 218 | OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000), |
| 219 | OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001), |
| 220 | OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002), |
| 221 | OID_U32_C(OID_INL_MODE, 0xFF020003), |
| 222 | OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004), |
| 223 | OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW), |
| 224 | OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006), |
| 225 | OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007), |
| 226 | OID_U32_C(OID_INL_CONFIG, 0xFF020008), |
| 227 | OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C), |
| 228 | OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D), |
| 229 | OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F), |
| 230 | |
| 231 | }; |
| 232 | |
| 233 | int |
| 234 | mgt_init(islpci_private *priv) |
| 235 | { |
| 236 | int i; |
| 237 | |
| 238 | priv->mib = kmalloc(OID_NUM_LAST * sizeof (void *), GFP_KERNEL); |
| 239 | if (!priv->mib) |
| 240 | return -ENOMEM; |
| 241 | |
| 242 | memset(priv->mib, 0, OID_NUM_LAST * sizeof (void *)); |
| 243 | |
| 244 | /* Alloc the cache */ |
| 245 | for (i = 0; i < OID_NUM_LAST; i++) { |
| 246 | if (isl_oid[i].flags & OID_FLAG_CACHED) { |
| 247 | priv->mib[i] = kmalloc(isl_oid[i].size * |
| 248 | (isl_oid[i].range + 1), |
| 249 | GFP_KERNEL); |
| 250 | if (!priv->mib[i]) |
| 251 | return -ENOMEM; |
| 252 | memset(priv->mib[i], 0, |
| 253 | isl_oid[i].size * (isl_oid[i].range + 1)); |
| 254 | } else |
| 255 | priv->mib[i] = NULL; |
| 256 | } |
| 257 | |
| 258 | init_rwsem(&priv->mib_sem); |
| 259 | prism54_mib_init(priv); |
| 260 | |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | void |
| 265 | mgt_clean(islpci_private *priv) |
| 266 | { |
| 267 | int i; |
| 268 | |
| 269 | if (!priv->mib) |
| 270 | return; |
| 271 | for (i = 0; i < OID_NUM_LAST; i++) |
| 272 | if (priv->mib[i]) { |
| 273 | kfree(priv->mib[i]); |
| 274 | priv->mib[i] = NULL; |
| 275 | } |
| 276 | kfree(priv->mib); |
| 277 | priv->mib = NULL; |
| 278 | } |
| 279 | |
| 280 | void |
| 281 | mgt_le_to_cpu(int type, void *data) |
| 282 | { |
| 283 | switch (type) { |
| 284 | case OID_TYPE_U32: |
| 285 | *(u32 *) data = le32_to_cpu(*(u32 *) data); |
| 286 | break; |
| 287 | case OID_TYPE_BUFFER:{ |
| 288 | struct obj_buffer *buff = data; |
| 289 | buff->size = le32_to_cpu(buff->size); |
| 290 | buff->addr = le32_to_cpu(buff->addr); |
| 291 | break; |
| 292 | } |
| 293 | case OID_TYPE_BSS:{ |
| 294 | struct obj_bss *bss = data; |
| 295 | bss->age = le16_to_cpu(bss->age); |
| 296 | bss->channel = le16_to_cpu(bss->channel); |
| 297 | bss->capinfo = le16_to_cpu(bss->capinfo); |
| 298 | bss->rates = le16_to_cpu(bss->rates); |
| 299 | bss->basic_rates = le16_to_cpu(bss->basic_rates); |
| 300 | break; |
| 301 | } |
| 302 | case OID_TYPE_BSSLIST:{ |
| 303 | struct obj_bsslist *list = data; |
| 304 | int i; |
| 305 | list->nr = le32_to_cpu(list->nr); |
| 306 | for (i = 0; i < list->nr; i++) |
| 307 | mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]); |
| 308 | break; |
| 309 | } |
| 310 | case OID_TYPE_FREQUENCIES:{ |
| 311 | struct obj_frequencies *freq = data; |
| 312 | int i; |
| 313 | freq->nr = le16_to_cpu(freq->nr); |
| 314 | for (i = 0; i < freq->nr; i++) |
| 315 | freq->mhz[i] = le16_to_cpu(freq->mhz[i]); |
| 316 | break; |
| 317 | } |
| 318 | case OID_TYPE_MLME:{ |
| 319 | struct obj_mlme *mlme = data; |
| 320 | mlme->id = le16_to_cpu(mlme->id); |
| 321 | mlme->state = le16_to_cpu(mlme->state); |
| 322 | mlme->code = le16_to_cpu(mlme->code); |
| 323 | break; |
| 324 | } |
| 325 | case OID_TYPE_MLMEEX:{ |
| 326 | struct obj_mlmeex *mlme = data; |
| 327 | mlme->id = le16_to_cpu(mlme->id); |
| 328 | mlme->state = le16_to_cpu(mlme->state); |
| 329 | mlme->code = le16_to_cpu(mlme->code); |
| 330 | mlme->size = le16_to_cpu(mlme->size); |
| 331 | break; |
| 332 | } |
| 333 | case OID_TYPE_ATTACH:{ |
| 334 | struct obj_attachment *attach = data; |
| 335 | attach->id = le16_to_cpu(attach->id); |
| 336 | attach->size = le16_to_cpu(attach->size);; |
| 337 | break; |
| 338 | } |
| 339 | case OID_TYPE_SSID: |
| 340 | case OID_TYPE_KEY: |
| 341 | case OID_TYPE_ADDR: |
| 342 | case OID_TYPE_RAW: |
| 343 | break; |
| 344 | default: |
| 345 | BUG(); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | static void |
| 350 | mgt_cpu_to_le(int type, void *data) |
| 351 | { |
| 352 | switch (type) { |
| 353 | case OID_TYPE_U32: |
| 354 | *(u32 *) data = cpu_to_le32(*(u32 *) data); |
| 355 | break; |
| 356 | case OID_TYPE_BUFFER:{ |
| 357 | struct obj_buffer *buff = data; |
| 358 | buff->size = cpu_to_le32(buff->size); |
| 359 | buff->addr = cpu_to_le32(buff->addr); |
| 360 | break; |
| 361 | } |
| 362 | case OID_TYPE_BSS:{ |
| 363 | struct obj_bss *bss = data; |
| 364 | bss->age = cpu_to_le16(bss->age); |
| 365 | bss->channel = cpu_to_le16(bss->channel); |
| 366 | bss->capinfo = cpu_to_le16(bss->capinfo); |
| 367 | bss->rates = cpu_to_le16(bss->rates); |
| 368 | bss->basic_rates = cpu_to_le16(bss->basic_rates); |
| 369 | break; |
| 370 | } |
| 371 | case OID_TYPE_BSSLIST:{ |
| 372 | struct obj_bsslist *list = data; |
| 373 | int i; |
| 374 | list->nr = cpu_to_le32(list->nr); |
| 375 | for (i = 0; i < list->nr; i++) |
| 376 | mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]); |
| 377 | break; |
| 378 | } |
| 379 | case OID_TYPE_FREQUENCIES:{ |
| 380 | struct obj_frequencies *freq = data; |
| 381 | int i; |
| 382 | freq->nr = cpu_to_le16(freq->nr); |
| 383 | for (i = 0; i < freq->nr; i++) |
| 384 | freq->mhz[i] = cpu_to_le16(freq->mhz[i]); |
| 385 | break; |
| 386 | } |
| 387 | case OID_TYPE_MLME:{ |
| 388 | struct obj_mlme *mlme = data; |
| 389 | mlme->id = cpu_to_le16(mlme->id); |
| 390 | mlme->state = cpu_to_le16(mlme->state); |
| 391 | mlme->code = cpu_to_le16(mlme->code); |
| 392 | break; |
| 393 | } |
| 394 | case OID_TYPE_MLMEEX:{ |
| 395 | struct obj_mlmeex *mlme = data; |
| 396 | mlme->id = cpu_to_le16(mlme->id); |
| 397 | mlme->state = cpu_to_le16(mlme->state); |
| 398 | mlme->code = cpu_to_le16(mlme->code); |
| 399 | mlme->size = cpu_to_le16(mlme->size); |
| 400 | break; |
| 401 | } |
| 402 | case OID_TYPE_ATTACH:{ |
| 403 | struct obj_attachment *attach = data; |
| 404 | attach->id = cpu_to_le16(attach->id); |
| 405 | attach->size = cpu_to_le16(attach->size);; |
| 406 | break; |
| 407 | } |
| 408 | case OID_TYPE_SSID: |
| 409 | case OID_TYPE_KEY: |
| 410 | case OID_TYPE_ADDR: |
| 411 | case OID_TYPE_RAW: |
| 412 | break; |
| 413 | default: |
| 414 | BUG(); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /* Note : data is modified during this function */ |
| 419 | |
| 420 | int |
| 421 | mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data) |
| 422 | { |
| 423 | int ret = 0; |
| 424 | struct islpci_mgmtframe *response = NULL; |
| 425 | int response_op = PIMFOR_OP_ERROR; |
| 426 | int dlen; |
| 427 | void *cache, *_data = data; |
| 428 | u32 oid; |
| 429 | |
| 430 | BUG_ON(OID_NUM_LAST <= n); |
| 431 | BUG_ON(extra > isl_oid[n].range); |
| 432 | |
| 433 | if (!priv->mib) |
| 434 | /* memory has been freed */ |
| 435 | return -1; |
| 436 | |
| 437 | dlen = isl_oid[n].size; |
| 438 | cache = priv->mib[n]; |
| 439 | cache += (cache ? extra * dlen : 0); |
| 440 | oid = isl_oid[n].oid + extra; |
| 441 | |
| 442 | if (_data == NULL) |
| 443 | /* we are requested to re-set a cached value */ |
| 444 | _data = cache; |
| 445 | else |
| 446 | mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data); |
| 447 | /* If we are going to write to the cache, we don't want anyone to read |
| 448 | * it -> acquire write lock. |
| 449 | * Else we could acquire a read lock to be sure we don't bother the |
| 450 | * commit process (which takes a write lock). But I'm not sure if it's |
| 451 | * needed. |
| 452 | */ |
| 453 | if (cache) |
| 454 | down_write(&priv->mib_sem); |
| 455 | |
| 456 | if (islpci_get_state(priv) >= PRV_STATE_READY) { |
| 457 | ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid, |
| 458 | _data, dlen, &response); |
| 459 | if (!ret) { |
| 460 | response_op = response->header->operation; |
| 461 | islpci_mgt_release(response); |
| 462 | } |
| 463 | if (ret || response_op == PIMFOR_OP_ERROR) |
| 464 | ret = -EIO; |
| 465 | } else if (!cache) |
| 466 | ret = -EIO; |
| 467 | |
| 468 | if (cache) { |
| 469 | if (!ret && data) |
| 470 | memcpy(cache, _data, dlen); |
| 471 | up_write(&priv->mib_sem); |
| 472 | } |
| 473 | |
| 474 | /* re-set given data to what it was */ |
| 475 | if (data) |
| 476 | mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data); |
| 477 | |
| 478 | return ret; |
| 479 | } |
| 480 | |
| 481 | /* None of these are cached */ |
| 482 | int |
| 483 | mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len) |
| 484 | { |
| 485 | int ret = 0; |
| 486 | struct islpci_mgmtframe *response; |
| 487 | int response_op = PIMFOR_OP_ERROR; |
| 488 | int dlen; |
| 489 | u32 oid; |
| 490 | |
| 491 | BUG_ON(OID_NUM_LAST <= n); |
| 492 | |
| 493 | dlen = isl_oid[n].size; |
| 494 | oid = isl_oid[n].oid; |
| 495 | |
| 496 | mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data); |
| 497 | |
| 498 | if (islpci_get_state(priv) >= PRV_STATE_READY) { |
| 499 | ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid, |
| 500 | data, dlen + extra_len, &response); |
| 501 | if (!ret) { |
| 502 | response_op = response->header->operation; |
| 503 | islpci_mgt_release(response); |
| 504 | } |
| 505 | if (ret || response_op == PIMFOR_OP_ERROR) |
| 506 | ret = -EIO; |
| 507 | } else |
| 508 | ret = -EIO; |
| 509 | |
| 510 | /* re-set given data to what it was */ |
| 511 | if (data) |
| 512 | mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data); |
| 513 | |
| 514 | return ret; |
| 515 | } |
| 516 | |
| 517 | int |
| 518 | mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data, |
| 519 | union oid_res_t *res) |
| 520 | { |
| 521 | |
| 522 | int ret = -EIO; |
| 523 | int reslen = 0; |
| 524 | struct islpci_mgmtframe *response = NULL; |
| 525 | |
| 526 | int dlen; |
| 527 | void *cache, *_res = NULL; |
| 528 | u32 oid; |
| 529 | |
| 530 | BUG_ON(OID_NUM_LAST <= n); |
| 531 | BUG_ON(extra > isl_oid[n].range); |
| 532 | |
| 533 | res->ptr = NULL; |
| 534 | |
| 535 | if (!priv->mib) |
| 536 | /* memory has been freed */ |
| 537 | return -1; |
| 538 | |
| 539 | dlen = isl_oid[n].size; |
| 540 | cache = priv->mib[n]; |
| 541 | cache += cache ? extra * dlen : 0; |
| 542 | oid = isl_oid[n].oid + extra; |
| 543 | reslen = dlen; |
| 544 | |
| 545 | if (cache) |
| 546 | down_read(&priv->mib_sem); |
| 547 | |
| 548 | if (islpci_get_state(priv) >= PRV_STATE_READY) { |
| 549 | ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET, |
| 550 | oid, data, dlen, &response); |
| 551 | if (ret || !response || |
| 552 | response->header->operation == PIMFOR_OP_ERROR) { |
| 553 | if (response) |
| 554 | islpci_mgt_release(response); |
| 555 | ret = -EIO; |
| 556 | } |
| 557 | if (!ret) { |
| 558 | _res = response->data; |
| 559 | reslen = response->header->length; |
| 560 | } |
| 561 | } else if (cache) { |
| 562 | _res = cache; |
| 563 | ret = 0; |
| 564 | } |
| 565 | if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32) |
| 566 | res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res); |
| 567 | else { |
| 568 | res->ptr = kmalloc(reslen, GFP_KERNEL); |
| 569 | BUG_ON(res->ptr == NULL); |
| 570 | if (ret) |
| 571 | memset(res->ptr, 0, reslen); |
| 572 | else { |
| 573 | memcpy(res->ptr, _res, reslen); |
| 574 | mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, |
| 575 | res->ptr); |
| 576 | } |
| 577 | } |
| 578 | if (cache) |
| 579 | up_read(&priv->mib_sem); |
| 580 | |
| 581 | if (response && !ret) |
| 582 | islpci_mgt_release(response); |
| 583 | |
| 584 | if (reslen > isl_oid[n].size) |
| 585 | printk(KERN_DEBUG |
| 586 | "mgt_get_request(0x%x): received data length was bigger " |
| 587 | "than expected (%d > %d). Memory is probably corrupted...", |
| 588 | oid, reslen, isl_oid[n].size); |
| 589 | |
| 590 | return ret; |
| 591 | } |
| 592 | |
| 593 | /* lock outside */ |
| 594 | int |
| 595 | mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n) |
| 596 | { |
| 597 | int i, ret = 0; |
| 598 | struct islpci_mgmtframe *response; |
| 599 | |
| 600 | for (i = 0; i < n; i++) { |
| 601 | struct oid_t *t = &(isl_oid[l[i]]); |
| 602 | void *data = priv->mib[l[i]]; |
| 603 | int j = 0; |
| 604 | u32 oid = t->oid; |
| 605 | BUG_ON(data == NULL); |
| 606 | while (j <= t->range) { |
| 607 | int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, |
| 608 | oid, data, t->size, |
| 609 | &response); |
| 610 | if (response) { |
| 611 | r |= (response->header->operation == PIMFOR_OP_ERROR); |
| 612 | islpci_mgt_release(response); |
| 613 | } |
| 614 | if (r) |
| 615 | printk(KERN_ERR "%s: mgt_commit_list: failure. " |
| 616 | "oid=%08x err=%d\n", |
| 617 | priv->ndev->name, oid, r); |
| 618 | ret |= r; |
| 619 | j++; |
| 620 | oid++; |
| 621 | data += t->size; |
| 622 | } |
| 623 | } |
| 624 | return ret; |
| 625 | } |
| 626 | |
| 627 | /* Lock outside */ |
| 628 | |
| 629 | void |
| 630 | mgt_set(islpci_private *priv, enum oid_num_t n, void *data) |
| 631 | { |
| 632 | BUG_ON(OID_NUM_LAST <= n); |
| 633 | BUG_ON(priv->mib[n] == NULL); |
| 634 | |
| 635 | memcpy(priv->mib[n], data, isl_oid[n].size); |
| 636 | mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]); |
| 637 | } |
| 638 | |
| 639 | void |
| 640 | mgt_get(islpci_private *priv, enum oid_num_t n, void *res) |
| 641 | { |
| 642 | BUG_ON(OID_NUM_LAST <= n); |
| 643 | BUG_ON(priv->mib[n] == NULL); |
| 644 | BUG_ON(res == NULL); |
| 645 | |
| 646 | memcpy(res, priv->mib[n], isl_oid[n].size); |
| 647 | mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res); |
| 648 | } |
| 649 | |
| 650 | /* Commits the cache. Lock outside. */ |
| 651 | |
| 652 | static enum oid_num_t commit_part1[] = { |
| 653 | OID_INL_CONFIG, |
| 654 | OID_INL_MODE, |
| 655 | DOT11_OID_BSSTYPE, |
| 656 | DOT11_OID_CHANNEL, |
| 657 | DOT11_OID_MLMEAUTOLEVEL |
| 658 | }; |
| 659 | |
| 660 | static enum oid_num_t commit_part2[] = { |
| 661 | DOT11_OID_SSID, |
| 662 | DOT11_OID_PSMBUFFER, |
| 663 | DOT11_OID_AUTHENABLE, |
| 664 | DOT11_OID_PRIVACYINVOKED, |
| 665 | DOT11_OID_EXUNENCRYPTED, |
| 666 | DOT11_OID_DEFKEYX, /* MULTIPLE */ |
| 667 | DOT11_OID_DEFKEYID, |
| 668 | DOT11_OID_DOT1XENABLE, |
| 669 | OID_INL_DOT11D_CONFORMANCE, |
| 670 | /* Do not initialize this - fw < 1.0.4.3 rejects it |
| 671 | OID_INL_OUTPUTPOWER, |
| 672 | */ |
| 673 | }; |
| 674 | |
| 675 | /* update the MAC addr. */ |
| 676 | static int |
| 677 | mgt_update_addr(islpci_private *priv) |
| 678 | { |
| 679 | struct islpci_mgmtframe *res; |
| 680 | int ret; |
| 681 | |
| 682 | ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET, |
| 683 | isl_oid[GEN_OID_MACADDRESS].oid, NULL, |
| 684 | isl_oid[GEN_OID_MACADDRESS].size, &res); |
| 685 | |
| 686 | if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR)) |
| 687 | memcpy(priv->ndev->dev_addr, res->data, 6); |
| 688 | else |
| 689 | ret = -EIO; |
| 690 | if (res) |
| 691 | islpci_mgt_release(res); |
| 692 | |
| 693 | if (ret) |
| 694 | printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name); |
| 695 | return ret; |
| 696 | } |
| 697 | |
| 698 | #define VEC_SIZE(a) (sizeof(a)/sizeof(a[0])) |
| 699 | |
| 700 | int |
| 701 | mgt_commit(islpci_private *priv) |
| 702 | { |
| 703 | int rvalue; |
| 704 | u32 u; |
| 705 | |
| 706 | if (islpci_get_state(priv) < PRV_STATE_INIT) |
| 707 | return 0; |
| 708 | |
| 709 | rvalue = mgt_commit_list(priv, commit_part1, VEC_SIZE(commit_part1)); |
| 710 | |
| 711 | if (priv->iw_mode != IW_MODE_MONITOR) |
| 712 | rvalue |= mgt_commit_list(priv, commit_part2, VEC_SIZE(commit_part2)); |
| 713 | |
| 714 | u = OID_INL_MODE; |
| 715 | rvalue |= mgt_commit_list(priv, &u, 1); |
| 716 | rvalue |= mgt_update_addr(priv); |
| 717 | |
| 718 | if (rvalue) { |
| 719 | /* some request have failed. The device might be in an |
| 720 | incoherent state. We should reset it ! */ |
| 721 | printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name); |
| 722 | } |
| 723 | return rvalue; |
| 724 | } |
| 725 | |
| 726 | /* The following OIDs need to be "unlatched": |
| 727 | * |
| 728 | * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL |
| 729 | * FREQUENCY,EXTENDEDRATES. |
| 730 | * |
| 731 | * The way to do this is to set ESSID. Note though that they may get |
| 732 | * unlatch before though by setting another OID. */ |
| 733 | #if 0 |
| 734 | void |
| 735 | mgt_unlatch_all(islpci_private *priv) |
| 736 | { |
| 737 | u32 u; |
| 738 | int rvalue = 0; |
| 739 | |
| 740 | if (islpci_get_state(priv) < PRV_STATE_INIT) |
| 741 | return; |
| 742 | |
| 743 | u = DOT11_OID_SSID; |
| 744 | rvalue = mgt_commit_list(priv, &u, 1); |
| 745 | /* Necessary if in MANUAL RUN mode? */ |
| 746 | #if 0 |
| 747 | u = OID_INL_MODE; |
| 748 | rvalue |= mgt_commit_list(priv, &u, 1); |
| 749 | |
| 750 | u = DOT11_OID_MLMEAUTOLEVEL; |
| 751 | rvalue |= mgt_commit_list(priv, &u, 1); |
| 752 | |
| 753 | u = OID_INL_MODE; |
| 754 | rvalue |= mgt_commit_list(priv, &u, 1); |
| 755 | #endif |
| 756 | |
| 757 | if (rvalue) |
| 758 | printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name); |
| 759 | } |
| 760 | #endif |
| 761 | |
| 762 | /* This will tell you if you are allowed to answer a mlme(ex) request .*/ |
| 763 | |
| 764 | int |
| 765 | mgt_mlme_answer(islpci_private *priv) |
| 766 | { |
| 767 | u32 mlmeautolevel; |
| 768 | /* Acquire a read lock because if we are in a mode change, it's |
| 769 | * possible to answer true, while the card is leaving master to managed |
| 770 | * mode. Answering to a mlme in this situation could hang the card. |
| 771 | */ |
| 772 | down_read(&priv->mib_sem); |
| 773 | mlmeautolevel = |
| 774 | le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]); |
| 775 | up_read(&priv->mib_sem); |
| 776 | |
| 777 | return ((priv->iw_mode == IW_MODE_MASTER) && |
| 778 | (mlmeautolevel >= DOT11_MLME_INTERMEDIATE)); |
| 779 | } |
| 780 | |
| 781 | enum oid_num_t |
| 782 | mgt_oidtonum(u32 oid) |
| 783 | { |
| 784 | int i; |
| 785 | |
| 786 | for (i = 0; i < OID_NUM_LAST; i++) |
| 787 | if (isl_oid[i].oid == oid) |
| 788 | return i; |
| 789 | |
| 790 | printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid); |
| 791 | |
| 792 | return OID_NUM_LAST; |
| 793 | } |
| 794 | |
| 795 | int |
| 796 | mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str) |
| 797 | { |
| 798 | switch (isl_oid[n].flags & OID_FLAG_TYPE) { |
| 799 | case OID_TYPE_U32: |
| 800 | return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u); |
| 801 | break; |
| 802 | case OID_TYPE_BUFFER:{ |
| 803 | struct obj_buffer *buff = r->ptr; |
| 804 | return snprintf(str, PRIV_STR_SIZE, |
| 805 | "size=%u\naddr=0x%X\n", buff->size, |
| 806 | buff->addr); |
| 807 | } |
| 808 | break; |
| 809 | case OID_TYPE_BSS:{ |
| 810 | struct obj_bss *bss = r->ptr; |
| 811 | return snprintf(str, PRIV_STR_SIZE, |
| 812 | "age=%u\nchannel=%u\n" |
| 813 | "capinfo=0x%X\nrates=0x%X\n" |
| 814 | "basic_rates=0x%X\n", bss->age, |
| 815 | bss->channel, bss->capinfo, |
| 816 | bss->rates, bss->basic_rates); |
| 817 | } |
| 818 | break; |
| 819 | case OID_TYPE_BSSLIST:{ |
| 820 | struct obj_bsslist *list = r->ptr; |
| 821 | int i, k; |
| 822 | k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr); |
| 823 | for (i = 0; i < list->nr; i++) |
| 824 | k += snprintf(str + k, PRIV_STR_SIZE - k, |
| 825 | "bss[%u] : \nage=%u\nchannel=%u\n" |
| 826 | "capinfo=0x%X\nrates=0x%X\n" |
| 827 | "basic_rates=0x%X\n", |
| 828 | i, list->bsslist[i].age, |
| 829 | list->bsslist[i].channel, |
| 830 | list->bsslist[i].capinfo, |
| 831 | list->bsslist[i].rates, |
| 832 | list->bsslist[i].basic_rates); |
| 833 | return k; |
| 834 | } |
| 835 | break; |
| 836 | case OID_TYPE_FREQUENCIES:{ |
| 837 | struct obj_frequencies *freq = r->ptr; |
| 838 | int i, t; |
| 839 | printk("nr : %u\n", freq->nr); |
| 840 | t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr); |
| 841 | for (i = 0; i < freq->nr; i++) |
| 842 | t += snprintf(str + t, PRIV_STR_SIZE - t, |
| 843 | "mhz[%u]=%u\n", i, freq->mhz[i]); |
| 844 | return t; |
| 845 | } |
| 846 | break; |
| 847 | case OID_TYPE_MLME:{ |
| 848 | struct obj_mlme *mlme = r->ptr; |
| 849 | return snprintf(str, PRIV_STR_SIZE, |
| 850 | "id=0x%X\nstate=0x%X\ncode=0x%X\n", |
| 851 | mlme->id, mlme->state, mlme->code); |
| 852 | } |
| 853 | break; |
| 854 | case OID_TYPE_MLMEEX:{ |
| 855 | struct obj_mlmeex *mlme = r->ptr; |
| 856 | return snprintf(str, PRIV_STR_SIZE, |
| 857 | "id=0x%X\nstate=0x%X\n" |
| 858 | "code=0x%X\nsize=0x%X\n", mlme->id, |
| 859 | mlme->state, mlme->code, mlme->size); |
| 860 | } |
| 861 | break; |
| 862 | case OID_TYPE_ATTACH:{ |
| 863 | struct obj_attachment *attach = r->ptr; |
| 864 | return snprintf(str, PRIV_STR_SIZE, |
| 865 | "id=%d\nsize=%d\n", |
| 866 | attach->id, |
| 867 | attach->size); |
| 868 | } |
| 869 | break; |
| 870 | case OID_TYPE_SSID:{ |
| 871 | struct obj_ssid *ssid = r->ptr; |
| 872 | return snprintf(str, PRIV_STR_SIZE, |
| 873 | "length=%u\noctets=%.*s\n", |
| 874 | ssid->length, ssid->length, |
| 875 | ssid->octets); |
| 876 | } |
| 877 | break; |
| 878 | case OID_TYPE_KEY:{ |
| 879 | struct obj_key *key = r->ptr; |
| 880 | int t, i; |
| 881 | t = snprintf(str, PRIV_STR_SIZE, |
| 882 | "type=0x%X\nlength=0x%X\nkey=0x", |
| 883 | key->type, key->length); |
| 884 | for (i = 0; i < key->length; i++) |
| 885 | t += snprintf(str + t, PRIV_STR_SIZE - t, |
| 886 | "%02X:", key->key[i]); |
| 887 | t += snprintf(str + t, PRIV_STR_SIZE - t, "\n"); |
| 888 | return t; |
| 889 | } |
| 890 | break; |
| 891 | case OID_TYPE_RAW: |
| 892 | case OID_TYPE_ADDR:{ |
| 893 | unsigned char *buff = r->ptr; |
| 894 | int t, i; |
| 895 | t = snprintf(str, PRIV_STR_SIZE, "hex data="); |
| 896 | for (i = 0; i < isl_oid[n].size; i++) |
| 897 | t += snprintf(str + t, PRIV_STR_SIZE - t, |
| 898 | "%02X:", buff[i]); |
| 899 | t += snprintf(str + t, PRIV_STR_SIZE - t, "\n"); |
| 900 | return t; |
| 901 | } |
| 902 | break; |
| 903 | default: |
| 904 | BUG(); |
| 905 | } |
| 906 | return 0; |
| 907 | } |