diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/libertas/assoc.c | 1283 |
1 files changed, 1221 insertions, 62 deletions
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c index 6a24ed6067e0..c9c3640ce9fb 100644 --- a/drivers/net/wireless/libertas/assoc.c +++ b/drivers/net/wireless/libertas/assoc.c @@ -1,14 +1,11 @@ /* Copyright (C) 2006, Red Hat, Inc. */ -#include <linux/bitops.h> -#include <net/ieee80211.h> #include <linux/etherdevice.h> #include "assoc.h" -#include "join.h" #include "decl.h" -#include "hostcmd.h" #include "host.h" +#include "scan.h" #include "cmd.h" @@ -17,6 +14,428 @@ static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) = static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; +/* The firmware needs certain bits masked out of the beacon-derviced capability + * field when associating/joining to BSSs. + */ +#define CAPINFO_MASK (~(0xda00)) + + + +/** + * @brief Associate to a specific BSS discovered in a scan + * + * @param priv A pointer to struct lbs_private structure + * @param pbssdesc Pointer to the BSS descriptor to associate with. + * + * @return 0-success, otherwise fail + */ +static int lbs_associate(struct lbs_private *priv, + struct assoc_request *assoc_req) +{ + int ret; + + lbs_deb_enter(LBS_DEB_ASSOC); + + ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE, + 0, CMD_OPTION_WAITFORRSP, + 0, assoc_req->bss.bssid); + + if (ret) + goto done; + + /* set preamble to firmware */ + if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) && + (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) + priv->preamble = CMD_TYPE_SHORT_PREAMBLE; + else + priv->preamble = CMD_TYPE_LONG_PREAMBLE; + + lbs_set_radio_control(priv); + + ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE, + 0, CMD_OPTION_WAITFORRSP, 0, assoc_req); + +done: + lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); + return ret; +} + +/** + * @brief Join an adhoc network found in a previous scan + * + * @param priv A pointer to struct lbs_private structure + * @param pbssdesc Pointer to a BSS descriptor found in a previous scan + * to attempt to join + * + * @return 0--success, -1--fail + */ +static int lbs_join_adhoc_network(struct lbs_private *priv, + struct assoc_request *assoc_req) +{ + struct bss_descriptor *bss = &assoc_req->bss; + int ret = 0; + + lbs_deb_join("current SSID '%s', ssid length %u\n", + escape_essid(priv->curbssparams.ssid, + priv->curbssparams.ssid_len), + priv->curbssparams.ssid_len); + lbs_deb_join("requested ssid '%s', ssid length %u\n", + escape_essid(bss->ssid, bss->ssid_len), + bss->ssid_len); + + /* check if the requested SSID is already joined */ + if (priv->curbssparams.ssid_len && + !lbs_ssid_cmp(priv->curbssparams.ssid, + priv->curbssparams.ssid_len, + bss->ssid, bss->ssid_len) && + (priv->mode == IW_MODE_ADHOC) && + (priv->connect_status == LBS_CONNECTED)) { + union iwreq_data wrqu; + + lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as " + "current, not attempting to re-join"); + + /* Send the re-association event though, because the association + * request really was successful, even if just a null-op. + */ + memset(&wrqu, 0, sizeof(wrqu)); + memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, + ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + goto out; + } + + /* Use shortpreamble only when both creator and card supports + short preamble */ + if (!(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) || + !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) { + lbs_deb_join("AdhocJoin: Long preamble\n"); + priv->preamble = CMD_TYPE_LONG_PREAMBLE; + } else { + lbs_deb_join("AdhocJoin: Short preamble\n"); + priv->preamble = CMD_TYPE_SHORT_PREAMBLE; + } + + lbs_set_radio_control(priv); + + lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel); + lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band); + + priv->adhoccreate = 0; + + ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN, + 0, CMD_OPTION_WAITFORRSP, + OID_802_11_SSID, assoc_req); + +out: + return ret; +} + +/** + * @brief Start an Adhoc Network + * + * @param priv A pointer to struct lbs_private structure + * @param adhocssid The ssid of the Adhoc Network + * @return 0--success, -1--fail + */ +static int lbs_start_adhoc_network(struct lbs_private *priv, + struct assoc_request *assoc_req) +{ + int ret = 0; + + priv->adhoccreate = 1; + + if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) { + lbs_deb_join("AdhocStart: Short preamble\n"); + priv->preamble = CMD_TYPE_SHORT_PREAMBLE; + } else { + lbs_deb_join("AdhocStart: Long preamble\n"); + priv->preamble = CMD_TYPE_LONG_PREAMBLE; + } + + lbs_set_radio_control(priv); + + lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel); + lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band); + + ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START, + 0, CMD_OPTION_WAITFORRSP, 0, assoc_req); + + return ret; +} + +int lbs_stop_adhoc_network(struct lbs_private *priv) +{ + return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP, + 0, CMD_OPTION_WAITFORRSP, 0, NULL); +} + +static inline int match_bss_no_security(struct lbs_802_11_security *secinfo, + struct bss_descriptor *match_bss) +{ + if (!secinfo->wep_enabled && !secinfo->WPAenabled + && !secinfo->WPA2enabled + && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC + && match_bss->rsn_ie[0] != MFIE_TYPE_RSN + && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) + return 1; + else + return 0; +} + +static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo, + struct bss_descriptor *match_bss) +{ + if (secinfo->wep_enabled && !secinfo->WPAenabled + && !secinfo->WPA2enabled + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) + return 1; + else + return 0; +} + +static inline int match_bss_wpa(struct lbs_802_11_security *secinfo, + struct bss_descriptor *match_bss) +{ + if (!secinfo->wep_enabled && secinfo->WPAenabled + && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC) + /* privacy bit may NOT be set in some APs like LinkSys WRT54G + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */ + ) + return 1; + else + return 0; +} + +static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo, + struct bss_descriptor *match_bss) +{ + if (!secinfo->wep_enabled && secinfo->WPA2enabled && + (match_bss->rsn_ie[0] == MFIE_TYPE_RSN) + /* privacy bit may NOT be set in some APs like LinkSys WRT54G + (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */ + ) + return 1; + else + return 0; +} + +static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo, + struct bss_descriptor *match_bss) +{ + if (!secinfo->wep_enabled && !secinfo->WPAenabled + && !secinfo->WPA2enabled + && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC) + && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN) + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) + return 1; + else + return 0; +} + +/** + * @brief Check if a scanned network compatible with the driver settings + * + * WEP WPA WPA2 ad-hoc encrypt Network + * enabled enabled enabled AES mode privacy WPA WPA2 Compatible + * 0 0 0 0 NONE 0 0 0 yes No security + * 1 0 0 0 NONE 1 0 0 yes Static WEP + * 0 1 0 0 x 1x 1 x yes WPA + * 0 0 1 0 x 1x x 1 yes WPA2 + * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES + * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP + * + * + * @param priv A pointer to struct lbs_private + * @param index Index in scantable to check against current driver settings + * @param mode Network mode: Infrastructure or IBSS + * + * @return Index in scantable, or error code if negative + */ +static int is_network_compatible(struct lbs_private *priv, + struct bss_descriptor *bss, uint8_t mode) +{ + int matched = 0; + + lbs_deb_enter(LBS_DEB_SCAN); + + if (bss->mode != mode) + goto done; + + matched = match_bss_no_security(&priv->secinfo, bss); + if (matched) + goto done; + matched = match_bss_static_wep(&priv->secinfo, bss); + if (matched) + goto done; + matched = match_bss_wpa(&priv->secinfo, bss); + if (matched) { + lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " + "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); + goto done; + } + matched = match_bss_wpa2(&priv->secinfo, bss); + if (matched) { + lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " + "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); + goto done; + } + matched = match_bss_dynamic_wep(&priv->secinfo, bss); + if (matched) { + lbs_deb_scan("is_network_compatible() dynamic WEP: " + "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n", + bss->wpa_ie[0], bss->rsn_ie[0], + (bss->capability & WLAN_CAPABILITY_PRIVACY)); + goto done; + } + + /* bss security settings don't match those configured on card */ + lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n", + bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); + +done: + lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched); + return matched; +} + +/** + * @brief This function finds a specific compatible BSSID in the scan list + * + * Used in association code + * + * @param priv A pointer to struct lbs_private + * @param bssid BSSID to find in the scan list + * @param mode Network mode: Infrastructure or IBSS + * + * @return index in BSSID list, or error return code (< 0) + */ +static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv, + uint8_t *bssid, uint8_t mode) +{ + struct bss_descriptor *iter_bss; + struct bss_descriptor *found_bss = NULL; + + lbs_deb_enter(LBS_DEB_SCAN); + + if (!bssid) + goto out; + + lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN); + + /* Look through the scan table for a compatible match. The loop will + * continue past a matched bssid that is not compatible in case there + * is an AP with multiple SSIDs assigned to the same BSSID + */ + mutex_lock(&priv->lock); + list_for_each_entry(iter_bss, &priv->network_list, list) { + if (compare_ether_addr(iter_bss->bssid, bssid)) + continue; /* bssid doesn't match */ + switch (mode) { + case IW_MODE_INFRA: + case IW_MODE_ADHOC: + if (!is_network_compatible(priv, iter_bss, mode)) + break; + found_bss = iter_bss; + break; + default: + found_bss = iter_bss; + break; + } + } + mutex_unlock(&priv->lock); + +out: + lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss); + return found_bss; +} + +/** + * @brief This function finds ssid in ssid list. + * + * Used in association code + * + * @param priv A pointer to struct lbs_private + * @param ssid SSID to find in the list + * @param bssid BSSID to qualify the SSID selection (if provided) + * @param mode Network mode: Infrastructure or IBSS + * + * @return index in BSSID list + */ +static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv, + uint8_t *ssid, uint8_t ssid_len, + uint8_t *bssid, uint8_t mode, + int channel) +{ + u32 bestrssi = 0; + struct bss_descriptor *iter_bss = NULL; + struct bss_descriptor *found_bss = NULL; + struct bss_descriptor *tmp_oldest = NULL; + + lbs_deb_enter(LBS_DEB_SCAN); + + mutex_lock(&priv->lock); + + list_for_each_entry(iter_bss, &priv->network_list, list) { + if (!tmp_oldest || + (iter_bss->last_scanned < tmp_oldest->last_scanned)) + tmp_oldest = iter_bss; + + if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len, + ssid, ssid_len) != 0) + continue; /* ssid doesn't match */ + if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0) + continue; /* bssid doesn't match */ + if ((channel > 0) && (iter_bss->channel != channel)) + continue; /* channel doesn't match */ + + switch (mode) { + case IW_MODE_INFRA: + case IW_MODE_ADHOC: + if (!is_network_compatible(priv, iter_bss, mode)) + break; + + if (bssid) { + /* Found requested BSSID */ + found_bss = iter_bss; + goto out; + } + + if (SCAN_RSSI(iter_bss->rssi) > bestrssi) { + bestrssi = SCAN_RSSI(iter_bss->rssi); + found_bss = iter_bss; + } + break; + case IW_MODE_AUTO: + default: + if (SCAN_RSSI(iter_bss->rssi) > bestrssi) { + bestrssi = SCAN_RSSI(iter_bss->rssi); + found_bss = iter_bss; + } + break; + } + } + +out: + mutex_unlock(&priv->lock); + lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss); + return found_bss; +} static int assoc_helper_essid(struct lbs_private *priv, struct assoc_request * assoc_req) @@ -38,7 +457,7 @@ static int assoc_helper_essid(struct lbs_private *priv, escape_essid(assoc_req->ssid, assoc_req->ssid_len)); if (assoc_req->mode == IW_MODE_INFRA) { lbs_send_specific_ssid_scan(priv, assoc_req->ssid, - assoc_req->ssid_len, 0); + assoc_req->ssid_len); bss = lbs_find_ssid_in_list(priv, assoc_req->ssid, assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel); @@ -53,7 +472,7 @@ static int assoc_helper_essid(struct lbs_private *priv, * scan data will cause us to join a non-existant adhoc network */ lbs_send_specific_ssid_scan(priv, assoc_req->ssid, - assoc_req->ssid_len, 1); + assoc_req->ssid_len); /* Search for the requested SSID in the scan table */ bss = lbs_find_ssid_in_list(priv, assoc_req->ssid, @@ -164,34 +583,6 @@ done: return ret; } - -int lbs_update_channel(struct lbs_private *priv) -{ - int ret; - - /* the channel in f/w could be out of sync; get the current channel */ - lbs_deb_enter(LBS_DEB_ASSOC); - - ret = lbs_get_channel(priv); - if (ret > 0) { - priv->curbssparams.channel = ret; - ret = 0; - } - lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); - return ret; -} - -void lbs_sync_channel(struct work_struct *work) -{ - struct lbs_private *priv = container_of(work, struct lbs_private, - sync_channel); - - lbs_deb_enter(LBS_DEB_ASSOC); - if (lbs_update_channel(priv)) - lbs_pr_info("Channel synchronization failed."); - lbs_deb_leave(LBS_DEB_ASSOC); -} - static int assoc_helper_channel(struct lbs_private *priv, struct assoc_request * assoc_req) { @@ -279,13 +670,11 @@ static int assoc_helper_wep_keys(struct lbs_private *priv, /* enable/disable the MAC's WEP packet filter */ if (assoc_req->secinfo.wep_enabled) - priv->currentpacketfilter |= CMD_ACT_MAC_WEP_ENABLE; + priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE; else - priv->currentpacketfilter &= ~CMD_ACT_MAC_WEP_ENABLE; + priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE; - ret = lbs_set_mac_packet_filter(priv); - if (ret) - goto out; + lbs_set_mac_control(priv); mutex_lock(&priv->lock); @@ -315,9 +704,7 @@ static int assoc_helper_secinfo(struct lbs_private *priv, memcpy(&priv->secinfo, &assoc_req->secinfo, sizeof(struct lbs_802_11_security)); - ret = lbs_set_mac_packet_filter(priv); - if (ret) - goto out; + lbs_set_mac_control(priv); /* If RSN is already enabled, don't try to enable it again, since * ENABLE_RSN resets internal state machines and will clobber the @@ -360,11 +747,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv, if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) { clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags); - ret = lbs_prepare_and_send_command(priv, - CMD_802_11_KEY_MATERIAL, - CMD_ACT_SET, - CMD_OPTION_WAITFORRSP, - 0, assoc_req); + ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req); assoc_req->flags = flags; } @@ -374,11 +757,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv, if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) { clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags); - ret = lbs_prepare_and_send_command(priv, - CMD_802_11_KEY_MATERIAL, - CMD_ACT_SET, - CMD_OPTION_WAITFORRSP, - 0, assoc_req); + ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req); assoc_req->flags = flags; } @@ -413,11 +792,10 @@ static int should_deauth_infrastructure(struct lbs_private *priv, { int ret = 0; - lbs_deb_enter(LBS_DEB_ASSOC); - if (priv->connect_status != LBS_CONNECTED) return 0; + lbs_deb_enter(LBS_DEB_ASSOC); if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) { lbs_deb_assoc("Deauthenticating due to new SSID\n"); ret = 1; @@ -456,7 +834,7 @@ static int should_deauth_infrastructure(struct lbs_private *priv, out: lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); - return 0; + return ret; } @@ -489,6 +867,91 @@ static int should_stop_adhoc(struct lbs_private *priv, } +/** + * @brief This function finds the best SSID in the Scan List + * + * Search the scan table for the best SSID that also matches the current + * adapter network preference (infrastructure or adhoc) + * + * @param priv A pointer to struct lbs_private + * + * @return index in BSSID list + */ +static struct bss_descriptor *lbs_find_best_ssid_in_list( + struct lbs_private *priv, uint8_t mode) +{ + uint8_t bestrssi = 0; + struct bss_descriptor *iter_bss; + struct bss_descriptor *best_bss = NULL; + + lbs_deb_enter(LBS_DEB_SCAN); + + mutex_lock(&priv->lock); + + list_for_each_entry(iter_bss, &priv->network_list, list) { + switch (mode) { + case IW_MODE_INFRA: + case IW_MODE_ADHOC: + if (!is_network_compatible(priv, iter_bss, mode)) + break; + if (SCAN_RSSI(iter_bss->rssi) <= bestrssi) + break; + bestrssi = SCAN_RSSI(iter_bss->rssi); + best_bss = iter_bss; + break; + case IW_MODE_AUTO: + default: + if (SCAN_RSSI(iter_bss->rssi) <= bestrssi) + break; + bestrssi = SCAN_RSSI(iter_bss->rssi); + best_bss = iter_bss; + break; + } + } + + mutex_unlock(&priv->lock); + lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss); + return best_bss; +} + +/** + * @brief Find the best AP + * + * Used from association worker. + * + * @param priv A pointer to struct lbs_private structure + * @param pSSID A pointer to AP's ssid + * + * @return 0--success, otherwise--fail + */ +static int lbs_find_best_network_ssid(struct lbs_private *priv, + uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode, + uint8_t *out_mode) +{ + int ret = -1; + struct bss_descriptor *found; + + lbs_deb_enter(LBS_DEB_SCAN); + + priv->scan_ssid_len = 0; + lbs_scan_networks(priv, 1); + if (priv->surpriseremoved) + goto out; + + found = lbs_find_best_ssid_in_list(priv, preferred_mode); + if (found && (found->ssid_len > 0)) { + memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE); + *out_ssid_len = found->ssid_len; + *out_mode = found->mode; + ret = 0; + } + +out: + lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret); + return ret; +} + + void lbs_association_worker(struct work_struct *work) { struct lbs_private *priv = container_of(work, struct lbs_private, @@ -643,17 +1106,11 @@ void lbs_association_worker(struct work_struct *work) } if (success) { - lbs_deb_assoc("ASSOC: associated to '%s', %s\n", - escape_essid(priv->curbssparams.ssid, - priv->curbssparams.ssid_len), + lbs_deb_assoc("associated to %s\n", print_mac(mac, priv->curbssparams.bssid)); lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, CMD_OPTION_WAITFORRSP, 0, NULL); - - lbs_prepare_and_send_command(priv, - CMD_802_11_GET_LOG, - 0, CMD_OPTION_WAITFORRSP, 0, NULL); } else { ret = -1; } @@ -752,3 +1209,705 @@ struct assoc_request *lbs_get_association_request(struct lbs_private *priv) lbs_deb_leave(LBS_DEB_ASSOC); return assoc_req; } + + +/** + * @brief This function finds common rates between rate1 and card rates. + * + * It will fill common rates in rate1 as output if found. + * + * NOTE: Setting the MSB of the basic rates need to be taken + * care, either before or after calling this function + * + * @param priv A pointer to struct lbs_private structure + * @param rate1 the buffer which keeps input and output + * @param rate1_size the size of rate1 buffer; new size of buffer on return + * + * @return 0 or -1 + */ +static int get_common_rates(struct lbs_private *priv, + u8 *rates, + u16 *rates_size) +{ + u8 *card_rates = lbs_bg_rates; + size_t num_card_rates = sizeof(lbs_bg_rates); + int ret = 0, i, j; + u8 tmp[30]; + size_t tmp_size = 0; + + /* For each rate in card_rates that exists in rate1, copy to tmp */ + for (i = 0; card_rates[i] && (i < num_card_rates); i++) { + for (j = 0; rates[j] && (j < *rates_size); j++) { + if (rates[j] == card_rates[i]) + tmp[tmp_size++] = card_rates[i]; + } + } + + lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size); + lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates); + lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size); + lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate); + + if (!priv->auto_rate) { + for (i = 0; i < tmp_size; i++) { + if (tmp[i] == priv->cur_rate) + goto done; + } + lbs_pr_alert("Previously set fixed data rate %#x isn't " + "compatible with the network.\n", priv->cur_rate); + ret = -1; + goto done; + } + ret = 0; + +done: + memset(rates, 0, *rates_size); + *rates_size = min_t(int, tmp_size, *rates_size); + memcpy(rates, tmp, *rates_size); + return ret; +} + + +/** + * @brief Sets the MSB on basic rates as the firmware requires + * + * Scan through an array and set the MSB for basic data rates. + * + * @param rates buffer of data rates + * @param len size of buffer + */ +static void lbs_set_basic_rate_flags(u8 *rates, size_t len) +{ + int i; + + for (i = 0; i < len; i++) { + if (rates[i] == 0x02 || rates[i] == 0x04 || + rates[i] == 0x0b || rates[i] == 0x16) + rates[i] |= 0x80; + } +} + +/** + * @brief Send Deauthentication Request + * + * @param priv A pointer to struct lbs_private structure + * @return 0--success, -1--fail + */ +int lbs_send_deauthentication(struct lbs_private *priv) +{ + return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE, + 0, CMD_OPTION_WAITFORRSP, 0, NULL); +} + +/** + * @brief This function prepares command of authenticate. + * + * @param priv A pointer to struct lbs_private structure + * @param cmd A pointer to cmd_ds_command structure + * @param pdata_buf Void cast of pointer to a BSSID to authenticate with + * + * @return 0 or -1 + */ +int lbs_cmd_80211_authenticate(struct lbs_private *priv, + struct cmd_ds_command *cmd, + void *pdata_buf) +{ + struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth; + int ret = -1; + u8 *bssid = pdata_buf; + DECLARE_MAC_BUF(mac); + + lbs_deb_enter(LBS_DEB_JOIN); + + cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate) + + S_DS_GEN); + + /* translate auth mode to 802.11 defined wire value */ + switch (priv->secinfo.auth_mode) { + case IW_AUTH_ALG_OPEN_SYSTEM: + pauthenticate->authtype = 0x00; + break; + case IW_AUTH_ALG_SHARED_KEY: + pauthenticate->authtype = 0x01; + break; + case IW_AUTH_ALG_LEAP: + pauthenticate->authtype = 0x80; + break; + default: + lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n", + priv->secinfo.auth_mode); + goto out; + } + + memcpy(pauthenticate->macaddr, bssid, ETH_ALEN); + + lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n", + print_mac(mac, bssid), pauthenticate->authtype); + ret = 0; + +out: + lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret); + return ret; +} + +int lbs_cmd_80211_deauthenticate(struct lbs_private *priv, + struct cmd_ds_command *cmd) +{ + struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth; + + lbs_deb_enter(LBS_DEB_JOIN); + + cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) + + S_DS_GEN); + + /* set AP MAC address */ + memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN); + + /* Reason code 3 = Station is leaving */ +#define REASON_CODE_STA_LEAVING 3 + dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING); + + lbs_deb_leave(LBS_DEB_JOIN); + return 0; +} + +int lbs_cmd_80211_associate(struct lbs_private *priv, + struct cmd_ds_command *cmd, void *pdata_buf) +{ + struct cmd_ds_802_11_associate *passo = &cmd->params.associate; + int ret = 0; + struct assoc_request *assoc_req = pdata_buf; + struct bss_descriptor *bss = &assoc_req->bss; + u8 *pos; + u16 tmpcap, tmplen; + struct mrvlietypes_ssidparamset *ssid; + struct mrvlietypes_phyparamset *phy; + struct mrvlietypes_ssparamset *ss; + struct mrvlietypes_ratesparamset *rates; + struct mrvlietypes_rsnparamset *rsn; + + lbs_deb_enter(LBS_DEB_ASSOC); + + pos = (u8 *) passo; + + if (!priv) { + ret = -1; + goto done; + } + + cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE); + + memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr)); + pos += sizeof(passo->peerstaaddr); + + /* set the listen interval */ + passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL); + + pos += sizeof(passo->capability); + pos += sizeof(passo->listeninterval); + pos += sizeof(passo->bcnperiod); + pos += sizeof(passo->dtimperiod); + + ssid = (struct mrvlietypes_ssidparamset *) pos; + ssid->header.type = cpu_to_le16(TLV_TYPE_SSID); + tmplen = bss->ssid_len; + ssid->header.len = cpu_to_le16(tmplen); + memcpy(ssid->ssid, bss->ssid, tmplen); + pos += sizeof(ssid->header) + tmplen; + + phy = (struct mrvlietypes_phyparamset *) pos; + phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS); + tmplen = sizeof(phy->fh_ds.dsparamset); + phy->header.len = cpu_to_le16(tmplen); + memcpy(&phy->fh_ds.dsparamset, + &bss->phyparamset.dsparamset.currentchan, + tmplen); + pos += sizeof(phy->header) + tmplen; + + ss = (struct mrvlietypes_ssparamset *) pos; + ss->header.type = cpu_to_le16(TLV_TYPE_CF); + tmplen = sizeof(ss->cf_ibss.cfparamset); + ss->header.len = cpu_to_le16(tmplen); + pos += sizeof(ss->header) + tmplen; + + rates = (struct mrvlietypes_ratesparamset *) pos; + rates->header.type = cpu_to_le16(TLV_TYPE_RATES); + memcpy(&rates->rates, &bss->rates, MAX_RATES); + tmplen = MAX_RATES; + if (get_common_rates(priv, rates->rates, &tmplen)) { + ret = -1; + goto done; + } + pos += sizeof(rates->header) + tmplen; + rates->header.len = cpu_to_le16(tmplen); + lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen); + + /* Copy the infra. association rates into Current BSS state structure */ + memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates)); + memcpy(&priv->curbssparams.rates, &rates->rates, tmplen); + + /* Set MSB on basic rates as the firmware requires, but _after_ + * copying to current bss rates. + */ + lbs_set_basic_rate_flags(rates->rates, tmplen); + + if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) { + rsn = (struct mrvlietypes_rsnparamset *) pos; + /* WPA_IE or WPA2_IE */ + rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]); + tmplen = (u16) assoc_req->wpa_ie[1]; + rsn->header.len = cpu_to_le16(tmplen); + memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen); + lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn, + sizeof(rsn->header) + tmplen); + pos += sizeof(rsn->header) + tmplen; + } + + /* update curbssparams */ + priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan; + + if (lbs_parse_dnld_countryinfo_11d(priv, bss)) { + ret = -1; + goto done; + } + + cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN); + + /* set the capability info */ + tmpcap = (bss->capability & CAPINFO_MASK); + if (bss->mode == IW_MODE_INFRA) + tmpcap |= WLAN_CAPABILITY_ESS; + passo->capability = cpu_to_le16(tmpcap); + lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap); + +done: + lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); + return ret; +} + +int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv, + struct cmd_ds_command *cmd, void *pdata_buf) +{ + struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads; + int ret = 0; + int cmdappendsize = 0; + struct assoc_request *assoc_req = pdata_buf; + u16 tmpcap = 0; + size_t ratesize = 0; + + lbs_deb_enter(LBS_DEB_JOIN); + + if (!priv) { + ret = -1; + goto done; + } + + cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START); + + /* + * Fill in the parameters for 2 data structures: + * 1. cmd_ds_802_11_ad_hoc_start command + * 2. priv->scantable[i] + * + * Driver will fill up SSID, bsstype,IBSS param, Physical Param, + * probe delay, and cap info. + * + * Firmware will fill up beacon period, DTIM, Basic rates + * and operational rates. + */ + + memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE); + memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len); + + lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n", + escape_essid(assoc_req->ssid, assoc_req->ssid_len), + assoc_req->ssid_len); + + /* set the BSS type */ + adhs->bsstype = CMD_BSS_TYPE_IBSS; + priv->mode = IW_MODE_ADHOC; + if (priv->beacon_period == 0) + priv->beacon_period = MRVDRV_BEACON_INTERVAL; + adhs->beaconperiod = cpu_to_le16(priv->beacon_period); + + /* set Physical param set */ +#define DS_PARA_IE_ID 3 +#define DS_PARA_IE_LEN 1 + + adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID; + adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN; + + WARN_ON(!assoc_req->channel); + + lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n", + assoc_req->channel); + + adhs->phyparamset.dsparamset.currentchan = assoc_req->channel; + + /* set IBSS param set */ +#define IBSS_PARA_IE_ID 6 +#define IBSS_PARA_IE_LEN 2 + + adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID; + adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN; + adhs->ssparamset.ibssparamset.atimwindow = 0; + + /* set capability info */ + tmpcap = WLAN_CAPABILITY_IBSS; + if (assoc_req->secinfo.wep_enabled) { + lbs_deb_join("ADHOC_S_CMD: WEP enabled, " + "setting privacy on\n"); + tmpcap |= WLAN_CAPABILITY_PRIVACY; + } else { + lbs_deb_join("ADHOC_S_CMD: WEP disabled, " + "setting privacy off\n"); + } + adhs->capability = cpu_to_le16(tmpcap); + + /* probedelay */ + adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); + + memset(adhs->rates, 0, sizeof(adhs->rates)); + ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates)); + memcpy(adhs->rates, lbs_bg_rates, ratesize); + + /* Copy the ad-hoc creating rates into Current BSS state structure */ + memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates)); + memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize); + + /* Set MSB on basic rates as the firmware requires, but _after_ + * copying to current bss rates. + */ + lbs_set_basic_rate_flags(adhs->rates, ratesize); + + lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n", + adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]); + + lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n"); + + if (lbs_create_dnld_countryinfo_11d(priv)) { + lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n"); + ret = -1; + goto done; + } + + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) + + S_DS_GEN + cmdappendsize); + + ret = 0; +done: + lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret); + return ret; +} + +int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd) +{ + cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP); + cmd->size = cpu_to_le16(S_DS_GEN); + + return 0; +} + +int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv, + struct cmd_ds_command *cmd, void *pdata_buf) +{ + struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj; + struct assoc_request *assoc_req = pdata_buf; + struct bss_descriptor *bss = &assoc_req->bss; + int cmdappendsize = 0; + int ret = 0; + u16 ratesize = 0; + DECLARE_MAC_BUF(mac); + + lbs_deb_enter(LBS_DEB_JOIN); + + cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN); + + join_cmd->bss.type = CMD_BSS_TYPE_IBSS; + join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod); + + memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN); + memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len); + + memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset, + sizeof(union ieeetypes_phyparamset)); + + memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset, + sizeof(union IEEEtypes_ssparamset)); + + join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK); + lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n", + bss->capability, CAPINFO_MASK); + + /* information on BSSID descriptor passed to FW */ + lbs_deb_join( + "ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n", + print_mac(mac, join_cmd->bss.bssid), + join_cmd->bss.ssid); + + /* failtimeout */ + join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT); + + /* probedelay */ + join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); + + priv->curbssparams.channel = bss->channel; + + /* Copy Data rates from the rates recorded in scan response */ + memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates)); + ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES); + memcpy(join_cmd->bss.rates, bss->rates, ratesize); + if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) { + lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n"); + ret = -1; + goto done; + } + + /* Copy the ad-hoc creating rates into Current BSS state structure */ + memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates)); + memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize); + + /* Set MSB on basic rates as the firmware requires, but _after_ + * copying to current bss rates. + */ + lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize); + + join_cmd->bss.ssparamset.ibssparamset.atimwindow = + cpu_to_le16(bss->atimwindow); + + if (assoc_req->secinfo.wep_enabled) { + u16 tmp = le16_to_cpu(join_cmd->bss.capability); + tmp |= WLAN_CAPABILITY_PRIVACY; + join_cmd->bss.capability = cpu_to_le16(tmp); + } + + if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { + /* wake up first */ + __le32 Localpsmode; + + Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM); + ret = lbs_prepare_and_send_command(priv, + CMD_802_11_PS_MODE, + CMD_ACT_SET, + 0, 0, &Localpsmode); + + if (ret) { + ret = -1; + goto done; + } + } + + if (lbs_parse_dnld_countryinfo_11d(priv, bss)) { + ret = -1; + goto done; + } + + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) + + S_DS_GEN + cmdappendsize); + +done: + lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret); + return ret; +} + +int lbs_ret_80211_associate(struct lbs_private *priv, + struct cmd_ds_command *resp) +{ + int ret = 0; + union iwreq_data wrqu; + struct ieeetypes_assocrsp *passocrsp; + struct bss_descriptor *bss; + u16 status_code; + + lbs_deb_enter(LBS_DEB_ASSOC); + + if (!priv->in_progress_assoc_req) { + lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n"); + ret = -1; + goto done; + } + bss = &priv->in_progress_assoc_req->bss; + + passocrsp = (struct ieeetypes_assocrsp *) &resp->params; + + /* + * Older FW versions map the IEEE 802.11 Status Code in the association + * response to the following values returned in passocrsp->statuscode: + * + * IEEE Status Code Marvell Status Code + * 0 -> 0x0000 ASSOC_RESULT_SUCCESS + * 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED + * 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED + * 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED + * 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED + * others -> 0x0003 ASSOC_RESULT_REFUSED + * + * Other response codes: + * 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused) + * 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for + * association response from the AP) + */ + + status_code = le16_to_cpu(passocrsp->statuscode); + switch (status_code) { + case 0x00: + break; + case 0x01: + lbs_deb_assoc("ASSOC_RESP: invalid parameters\n"); + break; + case 0x02: + lbs_deb_assoc("ASSOC_RESP: internal timer " + "expired while waiting for the AP\n"); + break; + case 0x03: + lbs_deb_assoc("ASSOC_RESP: association " + "refused by AP\n"); + break; + case 0x04: + lbs_deb_assoc("ASSOC_RESP: authentication " + "refused by AP\n"); + break; + default: + lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x " + " unknown\n", status_code); + break; + } + + if (status_code) { + lbs_mac_event_disconnected(priv); + ret = -1; + goto done; + } + + lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params, + le16_to_cpu(resp->size) - S_DS_GEN); + + /* Send a Media Connected event, according to the Spec */ + priv->connect_status = LBS_CONNECTED; + + /* Update current SSID and BSSID */ + memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE); + priv->curbssparams.ssid_len = bss->ssid_len; + memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN); + + priv->SNR[TYPE_RXPD][TYPE_AVG] = 0; + priv->NF[TYPE_RXPD][TYPE_AVG] = 0; + + memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR)); + memset(priv->rawNF, 0x00, sizeof(priv->rawNF)); + priv->nextSNRNF = 0; + priv->numSNRNF = 0; + + netif_carrier_on(priv->dev); + if (!priv->tx_pending_len) + netif_wake_queue(priv->dev); + + memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + +done: + lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); + return ret; +} + +int lbs_ret_80211_disassociate(struct lbs_private *priv) +{ + lbs_deb_enter(LBS_DEB_JOIN); + + lbs_mac_event_disconnected(priv); + + lbs_deb_leave(LBS_DEB_JOIN); + return 0; +} + +int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv, + struct cmd_ds_command *resp) +{ + int ret = 0; + u16 command = le16_to_cpu(resp->command); + u16 result = le16_to_cpu(resp->result); + struct cmd_ds_802_11_ad_hoc_result *padhocresult; + union iwreq_data wrqu; + struct bss_descriptor *bss; + DECLARE_MAC_BUF(mac); + + lbs_deb_enter(LBS_DEB_JOIN); + + padhocresult = &resp->params.result; + + lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size)); + lbs_deb_join("ADHOC_RESP: command = %x\n", command); + lbs_deb_join("ADHOC_RESP: result = %x\n", result); + + if (!priv->in_progress_assoc_req) { + lbs_deb_join("ADHOC_RESP: no in-progress association " + "request\n"); + ret = -1; + goto done; + } + bss = &priv->in_progress_assoc_req->bss; + + /* + * Join result code 0 --> SUCCESS + */ + if (result) { + lbs_deb_join("ADHOC_RESP: failed\n"); + if (priv->connect_status == LBS_CONNECTED) + lbs_mac_event_disconnected(priv); + ret = -1; + goto done; + } + + /* + * Now the join cmd should be successful + * If BSSID has changed use SSID to compare instead of BSSID + */ + lbs_deb_join("ADHOC_RESP: associated to '%s'\n", + escape_essid(bss->ssid, bss->ssid_len)); + + /* Send a Media Connected event, according to the Spec */ + priv->connect_status = LBS_CONNECTED; + + if (command == CMD_RET(CMD_802_11_AD_HOC_START)) { + /* Update the created network descriptor with the new BSSID */ + memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN); + } + + /* Set the BSSID from the joined/started descriptor */ + memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN); + + /* Set the new SSID to current SSID */ + memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE); + priv->curbssparams.ssid_len = bss->ssid_len; + + netif_carrier_on(priv->dev); + if (!priv->tx_pending_len) + netif_wake_queue(priv->dev); + + memset(&wrqu, 0, sizeof(wrqu)); + memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + + lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n"); + lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel); + lbs_deb_join("ADHOC_RESP: BSSID = %s\n", + print_mac(mac, padhocresult->bssid)); + +done: + lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret); + return ret; +} + +int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv) +{ + lbs_deb_enter(LBS_DEB_JOIN); + + lbs_mac_event_disconnected(priv); + + lbs_deb_leave(LBS_DEB_JOIN); + return 0; +} |