diff options
Diffstat (limited to 'drivers/net/wireless/intersil/prism54/oid_mgt.c')
| -rw-r--r-- | drivers/net/wireless/intersil/prism54/oid_mgt.c | 901 |
1 files changed, 901 insertions, 0 deletions
diff --git a/drivers/net/wireless/intersil/prism54/oid_mgt.c b/drivers/net/wireless/intersil/prism54/oid_mgt.c new file mode 100644 index 0000000..6528ed5 --- /dev/null +++ b/drivers/net/wireless/intersil/prism54/oid_mgt.c @@ -0,0 +1,901 @@ +/* + * Copyright (C) 2003,2004 Aurelien Alleaume <slts@free.fr> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <linux/kernel.h> +#include <linux/slab.h> + +#include "prismcompat.h" +#include "islpci_dev.h" +#include "islpci_mgt.h" +#include "isl_oid.h" +#include "oid_mgt.h" +#include "isl_ioctl.h" + +/* to convert between channel and freq */ +static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432, + 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484 +}; + +int +channel_of_freq(int f) +{ + int c = 0; + + if ((f >= 2412) && (f <= 2484)) { + while ((c < 14) && (f != frequency_list_bg[c])) + c++; + return (c >= 14) ? 0 : ++c; + } else if ((f >= (int) 5000) && (f <= (int) 6000)) { + return ( (f - 5000) / 5 ); + } else + return 0; +} + +#define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t} +#define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED) +#define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32) +#define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32) +#define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME) +#define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX) + +#define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0) + +struct oid_t isl_oid[] = { + OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR), + OID_U32(GEN_OID_LINKSTATE, 0x00000001), + OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002), + OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003), + OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004), + OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005), + + /* 802.11 */ + OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000), + OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW), + OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid, + OID_TYPE_SSID), + OID_U32(DOT11_OID_STATE, 0x10000003), + OID_U32(DOT11_OID_AID, 0x10000004), + OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW), + OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid, + OID_TYPE_SSID), + + OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000), + OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001), + OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002), + OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003), + OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004), + OID_U32(DOT11_OID_CFPPERIOD, 0x11000005), + OID_U32(DOT11_OID_CFPDURATION, 0x11000006), + + OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000), + OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001), + OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002), + OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003), + [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key), + OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */ + OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008), + OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009), + OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a), + + OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000), + OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001), + OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002), + OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003), + + OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000), + OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001), + OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002), + OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003), + OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004), + OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005), + OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006), + OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007), + + OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000), + OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001), + OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002), + OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003), + OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004), + OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005), + OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006), + + [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0}, + OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008), + + OID_U32(DOT11_OID_PSM, 0x14000000), + OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001), + OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002), + OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003), + + OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000), + OID_U32(DOT11_OID_CLIENTS, 0x15000001), + OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002), + [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */ + + OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR), + OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR), + OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR), + OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR), + OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR), + OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0), + OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1), + OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2), + + OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000), + OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001), + OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002), + OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003), + OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004), + OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005), + OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006), + OID_U32(DOT11_OID_RTSFAILED, 0x16000007), + OID_U32(DOT11_OID_ACKFAILED, 0x16000008), + OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009), + OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A), + OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B), + OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C), + + OID_U32(DOT11_OID_SLOTTIME, 0x17000000), + OID_U32(DOT11_OID_CWMIN, 0x17000001), + OID_U32(DOT11_OID_CWMAX, 0x17000002), + OID_U32(DOT11_OID_ACKWINDOW, 0x17000003), + OID_U32(DOT11_OID_ANTENNARX, 0x17000004), + OID_U32(DOT11_OID_ANTENNATX, 0x17000005), + OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006), + OID_U32_C(DOT11_OID_CHANNEL, 0x17000007), + OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008), + OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009), + OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1], + OID_TYPE_RAW), + OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B), + OID_U32(DOT11_OID_CCAMODE, 0x1700000C), + OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D), + OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E), + OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F), + OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010, + u8[IWMAX_BITRATES + 1], OID_TYPE_RAW), + OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011), + [DOT11_OID_SUPPORTEDFREQUENCIES] = + {0x17000012, 0, sizeof (struct obj_frequencies) + + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES}, + + OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013), + OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1], + OID_TYPE_RAW), + OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015), + OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016), + OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017), + OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018), + OID_U32(DOT11_OID_PROFILES, 0x17000019), + OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020, + u8[IWMAX_BITRATES + 1], OID_TYPE_RAW), + + OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000), + OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001), + OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002), + OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003), + OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004), + OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005), + OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006), + OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007), + OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008), + OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009), + OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A), + OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B), + OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C), + + OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000), + + OID_U32(DOT11_OID_STATIMEOUT, 0x19000000), + OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001), + OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002), + [DOT11_OID_ATTACHMENT] = {0x19000003, 0, + sizeof(struct obj_attachment), OID_TYPE_ATTACH}, + OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer, + OID_TYPE_BUFFER), + + OID_U32(DOT11_OID_BSSS, 0x1C000000), + [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss), + OID_TYPE_BSS}, /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */ + OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS), + [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct + obj_bsslist) + + sizeof (struct obj_bss[IWMAX_BSS]), + OID_TYPE_BSSLIST}, + + OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000), + OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001), + OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002), + OID_U32_C(OID_INL_MODE, 0xFF020003), + OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004), + OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW), + OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006), + OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007), + OID_U32_C(OID_INL_CONFIG, 0xFF020008), + OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C), + OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D), + OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F), + +}; + +int +mgt_init(islpci_private *priv) +{ + int i; + + priv->mib = kcalloc(OID_NUM_LAST, sizeof (void *), GFP_KERNEL); + if (!priv->mib) + return -ENOMEM; + + /* Alloc the cache */ + for (i = 0; i < OID_NUM_LAST; i++) { + if (isl_oid[i].flags & OID_FLAG_CACHED) { + priv->mib[i] = kzalloc(isl_oid[i].size * + (isl_oid[i].range + 1), + GFP_KERNEL); + if (!priv->mib[i]) + return -ENOMEM; + } else + priv->mib[i] = NULL; + } + + init_rwsem(&priv->mib_sem); + prism54_mib_init(priv); + + return 0; +} + +void +mgt_clean(islpci_private *priv) +{ + int i; + + if (!priv->mib) + return; + for (i = 0; i < OID_NUM_LAST; i++) { + kfree(priv->mib[i]); + priv->mib[i] = NULL; + } + kfree(priv->mib); + priv->mib = NULL; +} + +void +mgt_le_to_cpu(int type, void *data) +{ + switch (type) { + case OID_TYPE_U32: + *(u32 *) data = le32_to_cpu(*(u32 *) data); + break; + case OID_TYPE_BUFFER:{ + struct obj_buffer *buff = data; + buff->size = le32_to_cpu(buff->size); + buff->addr = le32_to_cpu(buff->addr); + break; + } + case OID_TYPE_BSS:{ + struct obj_bss *bss = data; + bss->age = le16_to_cpu(bss->age); + bss->channel = le16_to_cpu(bss->channel); + bss->capinfo = le16_to_cpu(bss->capinfo); + bss->rates = le16_to_cpu(bss->rates); + bss->basic_rates = le16_to_cpu(bss->basic_rates); + break; + } + case OID_TYPE_BSSLIST:{ + struct obj_bsslist *list = data; + int i; + list->nr = le32_to_cpu(list->nr); + for (i = 0; i < list->nr; i++) + mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]); + break; + } + case OID_TYPE_FREQUENCIES:{ + struct obj_frequencies *freq = data; + int i; + freq->nr = le16_to_cpu(freq->nr); + for (i = 0; i < freq->nr; i++) + freq->mhz[i] = le16_to_cpu(freq->mhz[i]); + break; + } + case OID_TYPE_MLME:{ + struct obj_mlme *mlme = data; + mlme->id = le16_to_cpu(mlme->id); + mlme->state = le16_to_cpu(mlme->state); + mlme->code = le16_to_cpu(mlme->code); + break; + } + case OID_TYPE_MLMEEX:{ + struct obj_mlmeex *mlme = data; + mlme->id = le16_to_cpu(mlme->id); + mlme->state = le16_to_cpu(mlme->state); + mlme->code = le16_to_cpu(mlme->code); + mlme->size = le16_to_cpu(mlme->size); + break; + } + case OID_TYPE_ATTACH:{ + struct obj_attachment *attach = data; + attach->id = le16_to_cpu(attach->id); + attach->size = le16_to_cpu(attach->size); + break; + } + case OID_TYPE_SSID: + case OID_TYPE_KEY: + case OID_TYPE_ADDR: + case OID_TYPE_RAW: + break; + default: + BUG(); + } +} + +static void +mgt_cpu_to_le(int type, void *data) +{ + switch (type) { + case OID_TYPE_U32: + *(u32 *) data = cpu_to_le32(*(u32 *) data); + break; + case OID_TYPE_BUFFER:{ + struct obj_buffer *buff = data; + buff->size = cpu_to_le32(buff->size); + buff->addr = cpu_to_le32(buff->addr); + break; + } + case OID_TYPE_BSS:{ + struct obj_bss *bss = data; + bss->age = cpu_to_le16(bss->age); + bss->channel = cpu_to_le16(bss->channel); + bss->capinfo = cpu_to_le16(bss->capinfo); + bss->rates = cpu_to_le16(bss->rates); + bss->basic_rates = cpu_to_le16(bss->basic_rates); + break; + } + case OID_TYPE_BSSLIST:{ + struct obj_bsslist *list = data; + int i; + list->nr = cpu_to_le32(list->nr); + for (i = 0; i < list->nr; i++) + mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]); + break; + } + case OID_TYPE_FREQUENCIES:{ + struct obj_frequencies *freq = data; + int i; + freq->nr = cpu_to_le16(freq->nr); + for (i = 0; i < freq->nr; i++) + freq->mhz[i] = cpu_to_le16(freq->mhz[i]); + break; + } + case OID_TYPE_MLME:{ + struct obj_mlme *mlme = data; + mlme->id = cpu_to_le16(mlme->id); + mlme->state = cpu_to_le16(mlme->state); + mlme->code = cpu_to_le16(mlme->code); + break; + } + case OID_TYPE_MLMEEX:{ + struct obj_mlmeex *mlme = data; + mlme->id = cpu_to_le16(mlme->id); + mlme->state = cpu_to_le16(mlme->state); + mlme->code = cpu_to_le16(mlme->code); + mlme->size = cpu_to_le16(mlme->size); + break; + } + case OID_TYPE_ATTACH:{ + struct obj_attachment *attach = data; + attach->id = cpu_to_le16(attach->id); + attach->size = cpu_to_le16(attach->size); + break; + } + case OID_TYPE_SSID: + case OID_TYPE_KEY: + case OID_TYPE_ADDR: + case OID_TYPE_RAW: + break; + default: + BUG(); + } +} + +/* Note : data is modified during this function */ + +int +mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data) +{ + int ret = 0; + struct islpci_mgmtframe *response = NULL; + int response_op = PIMFOR_OP_ERROR; + int dlen; + void *cache, *_data = data; + u32 oid; + + BUG_ON(n >= OID_NUM_LAST); + BUG_ON(extra > isl_oid[n].range); + + if (!priv->mib) + /* memory has been freed */ + return -1; + + dlen = isl_oid[n].size; + cache = priv->mib[n]; + cache += (cache ? extra * dlen : 0); + oid = isl_oid[n].oid + extra; + + if (_data == NULL) + /* we are requested to re-set a cached value */ + _data = cache; + else + mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data); + /* If we are going to write to the cache, we don't want anyone to read + * it -> acquire write lock. + * Else we could acquire a read lock to be sure we don't bother the + * commit process (which takes a write lock). But I'm not sure if it's + * needed. + */ + if (cache) + down_write(&priv->mib_sem); + + if (islpci_get_state(priv) >= PRV_STATE_READY) { + ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid, + _data, dlen, &response); + if (!ret) { + response_op = response->header->operation; + islpci_mgt_release(response); + } + if (ret || response_op == PIMFOR_OP_ERROR) + ret = -EIO; + } else if (!cache) + ret = -EIO; + + if (cache) { + if (!ret && data) + memcpy(cache, _data, dlen); + up_write(&priv->mib_sem); + } + + /* re-set given data to what it was */ + if (data) + mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data); + + return ret; +} + +/* None of these are cached */ +int +mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len) +{ + int ret = 0; + struct islpci_mgmtframe *response; + int response_op = PIMFOR_OP_ERROR; + int dlen; + u32 oid; + + BUG_ON(n >= OID_NUM_LAST); + + dlen = isl_oid[n].size; + oid = isl_oid[n].oid; + + mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data); + + if (islpci_get_state(priv) >= PRV_STATE_READY) { + ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid, + data, dlen + extra_len, &response); + if (!ret) { + response_op = response->header->operation; + islpci_mgt_release(response); + } + if (ret || response_op == PIMFOR_OP_ERROR) + ret = -EIO; + } else + ret = -EIO; + + /* re-set given data to what it was */ + if (data) + mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data); + + return ret; +} + +int +mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data, + union oid_res_t *res) +{ + + int ret = -EIO; + int reslen = 0; + struct islpci_mgmtframe *response = NULL; + + int dlen; + void *cache, *_res = NULL; + u32 oid; + + BUG_ON(n >= OID_NUM_LAST); + BUG_ON(extra > isl_oid[n].range); + + res->ptr = NULL; + + if (!priv->mib) + /* memory has been freed */ + return -1; + + dlen = isl_oid[n].size; + cache = priv->mib[n]; + cache += cache ? extra * dlen : 0; + oid = isl_oid[n].oid + extra; + reslen = dlen; + + if (cache) + down_read(&priv->mib_sem); + + if (islpci_get_state(priv) >= PRV_STATE_READY) { + ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET, + oid, data, dlen, &response); + if (ret || !response || + response->header->operation == PIMFOR_OP_ERROR) { + if (response) + islpci_mgt_release(response); + ret = -EIO; + } + if (!ret) { + _res = response->data; + reslen = response->header->length; + } + } else if (cache) { + _res = cache; + ret = 0; + } + if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32) + res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res); + else { + res->ptr = kmalloc(reslen, GFP_KERNEL); + BUG_ON(res->ptr == NULL); + if (ret) + memset(res->ptr, 0, reslen); + else { + memcpy(res->ptr, _res, reslen); + mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, + res->ptr); + } + } + if (cache) + up_read(&priv->mib_sem); + + if (response && !ret) + islpci_mgt_release(response); + + if (reslen > isl_oid[n].size) + printk(KERN_DEBUG + "mgt_get_request(0x%x): received data length was bigger " + "than expected (%d > %d). Memory is probably corrupted...", + oid, reslen, isl_oid[n].size); + + return ret; +} + +/* lock outside */ +int +mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n) +{ + int i, ret = 0; + struct islpci_mgmtframe *response; + + for (i = 0; i < n; i++) { + struct oid_t *t = &(isl_oid[l[i]]); + void *data = priv->mib[l[i]]; + int j = 0; + u32 oid = t->oid; + BUG_ON(data == NULL); + while (j <= t->range) { + int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, + oid, data, t->size, + &response); + if (response) { + r |= (response->header->operation == PIMFOR_OP_ERROR); + islpci_mgt_release(response); + } + if (r) + printk(KERN_ERR "%s: mgt_commit_list: failure. " + "oid=%08x err=%d\n", + priv->ndev->name, oid, r); + ret |= r; + j++; + oid++; + data += t->size; + } + } + return ret; +} + +/* Lock outside */ + +void +mgt_set(islpci_private *priv, enum oid_num_t n, void *data) +{ + BUG_ON(n >= OID_NUM_LAST); + BUG_ON(priv->mib[n] == NULL); + + memcpy(priv->mib[n], data, isl_oid[n].size); + mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]); +} + +void +mgt_get(islpci_private *priv, enum oid_num_t n, void *res) +{ + BUG_ON(n >= OID_NUM_LAST); + BUG_ON(priv->mib[n] == NULL); + BUG_ON(res == NULL); + + memcpy(res, priv->mib[n], isl_oid[n].size); + mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res); +} + +/* Commits the cache. Lock outside. */ + +static enum oid_num_t commit_part1[] = { + OID_INL_CONFIG, + OID_INL_MODE, + DOT11_OID_BSSTYPE, + DOT11_OID_CHANNEL, + DOT11_OID_MLMEAUTOLEVEL +}; + +static enum oid_num_t commit_part2[] = { + DOT11_OID_SSID, + DOT11_OID_PSMBUFFER, + DOT11_OID_AUTHENABLE, + DOT11_OID_PRIVACYINVOKED, + DOT11_OID_EXUNENCRYPTED, + DOT11_OID_DEFKEYX, /* MULTIPLE */ + DOT11_OID_DEFKEYID, + DOT11_OID_DOT1XENABLE, + OID_INL_DOT11D_CONFORMANCE, + /* Do not initialize this - fw < 1.0.4.3 rejects it + OID_INL_OUTPUTPOWER, + */ +}; + +/* update the MAC addr. */ +static int +mgt_update_addr(islpci_private *priv) +{ + struct islpci_mgmtframe *res; + int ret; + + ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET, + isl_oid[GEN_OID_MACADDRESS].oid, NULL, + isl_oid[GEN_OID_MACADDRESS].size, &res); + + if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR)) + memcpy(priv->ndev->dev_addr, res->data, ETH_ALEN); + else + ret = -EIO; + if (res) + islpci_mgt_release(res); + + if (ret) + printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name); + return ret; +} + +int +mgt_commit(islpci_private *priv) +{ + int rvalue; + enum oid_num_t u; + + if (islpci_get_state(priv) < PRV_STATE_INIT) + return 0; + + rvalue = mgt_commit_list(priv, commit_part1, ARRAY_SIZE(commit_part1)); + + if (priv->iw_mode != IW_MODE_MONITOR) + rvalue |= mgt_commit_list(priv, commit_part2, ARRAY_SIZE(commit_part2)); + + u = OID_INL_MODE; + rvalue |= mgt_commit_list(priv, &u, 1); + rvalue |= mgt_update_addr(priv); + + if (rvalue) { + /* some request have failed. The device might be in an + incoherent state. We should reset it ! */ + printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name); + } + return rvalue; +} + +/* The following OIDs need to be "unlatched": + * + * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL + * FREQUENCY,EXTENDEDRATES. + * + * The way to do this is to set ESSID. Note though that they may get + * unlatch before though by setting another OID. */ +#if 0 +void +mgt_unlatch_all(islpci_private *priv) +{ + u32 u; + int rvalue = 0; + + if (islpci_get_state(priv) < PRV_STATE_INIT) + return; + + u = DOT11_OID_SSID; + rvalue = mgt_commit_list(priv, &u, 1); + /* Necessary if in MANUAL RUN mode? */ +#if 0 + u = OID_INL_MODE; + rvalue |= mgt_commit_list(priv, &u, 1); + + u = DOT11_OID_MLMEAUTOLEVEL; + rvalue |= mgt_commit_list(priv, &u, 1); + + u = OID_INL_MODE; + rvalue |= mgt_commit_list(priv, &u, 1); +#endif + + if (rvalue) + printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name); +} +#endif + +/* This will tell you if you are allowed to answer a mlme(ex) request .*/ + +int +mgt_mlme_answer(islpci_private *priv) +{ + u32 mlmeautolevel; + /* Acquire a read lock because if we are in a mode change, it's + * possible to answer true, while the card is leaving master to managed + * mode. Answering to a mlme in this situation could hang the card. + */ + down_read(&priv->mib_sem); + mlmeautolevel = + le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]); + up_read(&priv->mib_sem); + + return ((priv->iw_mode == IW_MODE_MASTER) && + (mlmeautolevel >= DOT11_MLME_INTERMEDIATE)); +} + +enum oid_num_t +mgt_oidtonum(u32 oid) +{ + int i; + + for (i = 0; i < OID_NUM_LAST; i++) + if (isl_oid[i].oid == oid) + return i; + + printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid); + + return OID_NUM_LAST; +} + +int +mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str) +{ + switch (isl_oid[n].flags & OID_FLAG_TYPE) { + case OID_TYPE_U32: + return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u); + case OID_TYPE_BUFFER:{ + struct obj_buffer *buff = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "size=%u\naddr=0x%X\n", buff->size, + buff->addr); + } + break; + case OID_TYPE_BSS:{ + struct obj_bss *bss = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "age=%u\nchannel=%u\n" + "capinfo=0x%X\nrates=0x%X\n" + "basic_rates=0x%X\n", bss->age, + bss->channel, bss->capinfo, + bss->rates, bss->basic_rates); + } + break; + case OID_TYPE_BSSLIST:{ + struct obj_bsslist *list = r->ptr; + int i, k; + k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr); + for (i = 0; i < list->nr; i++) + k += snprintf(str + k, PRIV_STR_SIZE - k, + "bss[%u] :\nage=%u\nchannel=%u\n" + "capinfo=0x%X\nrates=0x%X\n" + "basic_rates=0x%X\n", + i, list->bsslist[i].age, + list->bsslist[i].channel, + list->bsslist[i].capinfo, + list->bsslist[i].rates, + list->bsslist[i].basic_rates); + return k; + } + break; + case OID_TYPE_FREQUENCIES:{ + struct obj_frequencies *freq = r->ptr; + int i, t; + printk("nr : %u\n", freq->nr); + t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr); + for (i = 0; i < freq->nr; i++) + t += snprintf(str + t, PRIV_STR_SIZE - t, + "mhz[%u]=%u\n", i, freq->mhz[i]); + return t; + } + break; + case OID_TYPE_MLME:{ + struct obj_mlme *mlme = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "id=0x%X\nstate=0x%X\ncode=0x%X\n", + mlme->id, mlme->state, mlme->code); + } + break; + case OID_TYPE_MLMEEX:{ + struct obj_mlmeex *mlme = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "id=0x%X\nstate=0x%X\n" + "code=0x%X\nsize=0x%X\n", mlme->id, + mlme->state, mlme->code, mlme->size); + } + break; + case OID_TYPE_ATTACH:{ + struct obj_attachment *attach = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "id=%d\nsize=%d\n", + attach->id, + attach->size); + } + break; + case OID_TYPE_SSID:{ + struct obj_ssid *ssid = r->ptr; + return snprintf(str, PRIV_STR_SIZE, + "length=%u\noctets=%.*s\n", + ssid->length, ssid->length, + ssid->octets); + } + break; + case OID_TYPE_KEY:{ + struct obj_key *key = r->ptr; + int t, i; + t = snprintf(str, PRIV_STR_SIZE, + "type=0x%X\nlength=0x%X\nkey=0x", + key->type, key->length); + for (i = 0; i < key->length; i++) + t += snprintf(str + t, PRIV_STR_SIZE - t, + "%02X:", key->key[i]); + t += snprintf(str + t, PRIV_STR_SIZE - t, "\n"); + return t; + } + break; + case OID_TYPE_RAW: + case OID_TYPE_ADDR:{ + unsigned char *buff = r->ptr; + int t, i; + t = snprintf(str, PRIV_STR_SIZE, "hex data="); + for (i = 0; i < isl_oid[n].size; i++) + t += snprintf(str + t, PRIV_STR_SIZE - t, + "%02X:", buff[i]); + t += snprintf(str + t, PRIV_STR_SIZE - t, "\n"); + return t; + } + break; + default: + BUG(); + } + return 0; +} |