diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/uap_cmd.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/uap_cmd.c | 303 |
1 files changed, 201 insertions, 102 deletions
diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index 89f9a2a..f40e93fe 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -26,6 +26,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, struct mwifiex_uap_bss_param *bss_config, struct cfg80211_ap_settings *params) { int i; + struct mwifiex_wep_key wep_key; if (!params->privacy) { bss_config->protocol = PROTOCOL_NO_SECURITY; @@ -65,7 +66,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, } if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) { - bss_config->protocol = PROTOCOL_WPA2; + bss_config->protocol |= PROTOCOL_WPA2; bss_config->key_mgmt = KEY_MGMT_EAP; } break; @@ -77,7 +78,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, } if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) { - bss_config->protocol = PROTOCOL_WPA2; + bss_config->protocol |= PROTOCOL_WPA2; bss_config->key_mgmt = KEY_MGMT_PSK; } break; @@ -91,10 +92,19 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, case WLAN_CIPHER_SUITE_WEP104: break; case WLAN_CIPHER_SUITE_TKIP: - bss_config->wpa_cfg.pairwise_cipher_wpa = CIPHER_TKIP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_TKIP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= + CIPHER_TKIP; break; case WLAN_CIPHER_SUITE_CCMP: - bss_config->wpa_cfg.pairwise_cipher_wpa2 = + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_AES_CCMP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_AES_CCMP; default: break; @@ -104,6 +114,27 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, switch (params->crypto.cipher_group) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: + if (priv->sec_info.wep_enabled) { + bss_config->protocol = PROTOCOL_STATIC_WEP; + bss_config->key_mgmt = KEY_MGMT_NONE; + bss_config->wpa_cfg.length = 0; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + wep_key = priv->wep_key[i]; + bss_config->wep_cfg[i].key_index = i; + + if (priv->wep_key_curr_index == i) + bss_config->wep_cfg[i].is_default = 1; + else + bss_config->wep_cfg[i].is_default = 0; + + bss_config->wep_cfg[i].length = + wep_key.key_length; + memcpy(&bss_config->wep_cfg[i].key, + &wep_key.key_material, + wep_key.key_length); + } + } break; case WLAN_CIPHER_SUITE_TKIP: bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; @@ -118,6 +149,33 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, return 0; } +/* This function updates 11n related parameters from IE and sets them into + * bss_config structure. + */ +void +mwifiex_set_ht_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *ht_ie; + + if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) + return; + + ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail, + params->beacon.tail_len); + if (ht_ie) { + memcpy(&bss_cfg->ht_cap, ht_ie + 2, + sizeof(struct ieee80211_ht_cap)); + } else { + memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap)); + bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP); + bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU; + } + + return; +} + /* This function initializes some of mwifiex_uap_bss_param variables. * This helps FW in ignoring invalid values. These values may or may not * be get updated to valid ones at later stage. @@ -135,6 +193,120 @@ void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) } /* This function parses BSS related parameters from structure + * and prepares TLVs specific to WPA/WPA2 security. + * These TLVs are appended to command buffer. + */ +static void +mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_pwk_cipher *pwk_cipher; + struct host_cmd_tlv_gwk_cipher *gwk_cipher; + struct host_cmd_tlv_passphrase *passphrase; + struct host_cmd_tlv_akmp *tlv_akmp; + struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; + u16 cmd_size = *param_size; + u8 *tlv = *tlv_buf; + + tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; + tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); + tlv_akmp->tlv.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - + sizeof(struct host_cmd_tlv)); + tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); + tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); + cmd_size += sizeof(struct host_cmd_tlv_akmp); + tlv += sizeof(struct host_cmd_tlv_akmp); + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->tlv.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct host_cmd_tlv)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->tlv.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct host_cmd_tlv)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { + gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; + gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); + gwk_cipher->tlv.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - + sizeof(struct host_cmd_tlv)); + gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; + cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); + tlv += sizeof(struct host_cmd_tlv_gwk_cipher); + } + + if (bss_cfg->wpa_cfg.length) { + passphrase = (struct host_cmd_tlv_passphrase *)tlv; + passphrase->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); + passphrase->tlv.len = cpu_to_le16(bss_cfg->wpa_cfg.length); + memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, + bss_cfg->wpa_cfg.length); + cmd_size += sizeof(struct host_cmd_tlv) + + bss_cfg->wpa_cfg.length; + tlv += sizeof(struct host_cmd_tlv) + bss_cfg->wpa_cfg.length; + } + + *param_size = cmd_size; + *tlv_buf = tlv; + + return; +} + +/* This function parses BSS related parameters from structure + * and prepares TLVs specific to WEP encryption. + * These TLVs are appended to command buffer. + */ +static void +mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_wep_key *wep_key; + u16 cmd_size = *param_size; + int i; + u8 *tlv = *tlv_buf; + struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + if (bss_cfg->wep_cfg[i].length && + (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || + bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { + wep_key = (struct host_cmd_tlv_wep_key *)tlv; + wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); + wep_key->tlv.len = + cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); + wep_key->key_index = bss_cfg->wep_cfg[i].key_index; + wep_key->is_default = bss_cfg->wep_cfg[i].is_default; + memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, + bss_cfg->wep_cfg[i].length); + cmd_size += sizeof(struct host_cmd_tlv) + 2 + + bss_cfg->wep_cfg[i].length; + tlv += sizeof(struct host_cmd_tlv) + 2 + + bss_cfg->wep_cfg[i].length; + } + } + + *param_size = cmd_size; + *tlv_buf = tlv; + + return; +} + +/* This function parses BSS related parameters from structure * and prepares TLVs. These TLVs are appended to command buffer. */ static int @@ -148,12 +320,9 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) struct host_cmd_tlv_frag_threshold *frag_threshold; struct host_cmd_tlv_rts_threshold *rts_threshold; struct host_cmd_tlv_retry_limit *retry_limit; - struct host_cmd_tlv_pwk_cipher *pwk_cipher; - struct host_cmd_tlv_gwk_cipher *gwk_cipher; struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; struct host_cmd_tlv_auth_type *auth_type; - struct host_cmd_tlv_passphrase *passphrase; - struct host_cmd_tlv_akmp *tlv_akmp; + struct mwifiex_ie_types_htcap *htcap; struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; u16 cmd_size = *param_size; @@ -243,70 +412,11 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) } if ((bss_cfg->protocol & PROTOCOL_WPA) || (bss_cfg->protocol & PROTOCOL_WPA2) || - (bss_cfg->protocol & PROTOCOL_EAP)) { - tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; - tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); - tlv_akmp->tlv.len = - cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - - sizeof(struct host_cmd_tlv)); - tlv_akmp->key_mgmt_operation = - cpu_to_le16(bss_cfg->key_mgmt_operation); - tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); - cmd_size += sizeof(struct host_cmd_tlv_akmp); - tlv += sizeof(struct host_cmd_tlv_akmp); - - if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & - VALID_CIPHER_BITMAP) { - pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; - pwk_cipher->tlv.type = - cpu_to_le16(TLV_TYPE_PWK_CIPHER); - pwk_cipher->tlv.len = cpu_to_le16( - sizeof(struct host_cmd_tlv_pwk_cipher) - - sizeof(struct host_cmd_tlv)); - pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); - pwk_cipher->cipher = - bss_cfg->wpa_cfg.pairwise_cipher_wpa; - cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); - tlv += sizeof(struct host_cmd_tlv_pwk_cipher); - } - if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & - VALID_CIPHER_BITMAP) { - pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; - pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); - pwk_cipher->tlv.len = cpu_to_le16( - sizeof(struct host_cmd_tlv_pwk_cipher) - - sizeof(struct host_cmd_tlv)); - pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); - pwk_cipher->cipher = - bss_cfg->wpa_cfg.pairwise_cipher_wpa2; - cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); - tlv += sizeof(struct host_cmd_tlv_pwk_cipher); - } - if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { - gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; - gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); - gwk_cipher->tlv.len = cpu_to_le16( - sizeof(struct host_cmd_tlv_gwk_cipher) - - sizeof(struct host_cmd_tlv)); - gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; - cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); - tlv += sizeof(struct host_cmd_tlv_gwk_cipher); - } - if (bss_cfg->wpa_cfg.length) { - passphrase = (struct host_cmd_tlv_passphrase *)tlv; - passphrase->tlv.type = - cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); - passphrase->tlv.len = - cpu_to_le16(bss_cfg->wpa_cfg.length); - memcpy(passphrase->passphrase, - bss_cfg->wpa_cfg.passphrase, - bss_cfg->wpa_cfg.length); - cmd_size += sizeof(struct host_cmd_tlv) + - bss_cfg->wpa_cfg.length; - tlv += sizeof(struct host_cmd_tlv) + - bss_cfg->wpa_cfg.length; - } - } + (bss_cfg->protocol & PROTOCOL_EAP)) + mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); + else + mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); + if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { auth_type = (struct host_cmd_tlv_auth_type *)tlv; @@ -330,6 +440,25 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); } + if (bss_cfg->ht_cap.cap_info) { + htcap = (struct mwifiex_ie_types_htcap *)tlv; + htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); + htcap->header.len = + cpu_to_le16(sizeof(struct ieee80211_ht_cap)); + htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; + htcap->ht_cap.ampdu_params_info = + bss_cfg->ht_cap.ampdu_params_info; + memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, + sizeof(struct ieee80211_mcs_info)); + htcap->ht_cap.extended_ht_cap_info = + bss_cfg->ht_cap.extended_ht_cap_info; + htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; + htcap->ht_cap.antenna_selection_info = + bss_cfg->ht_cap.antenna_selection_info; + cmd_size += sizeof(struct mwifiex_ie_types_htcap); + tlv += sizeof(struct mwifiex_ie_types_htcap); + } + *param_size = cmd_size; return 0; @@ -421,33 +550,3 @@ int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, return 0; } - -/* This function sets the RF channel for AP. - * - * This function populates channel information in AP config structure - * and sends command to configure channel information in AP. - */ -int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel) -{ - struct mwifiex_uap_bss_param *bss_cfg; - struct wiphy *wiphy = priv->wdev->wiphy; - - bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); - if (!bss_cfg) - return -ENOMEM; - - mwifiex_set_sys_config_invalid_data(bss_cfg); - bss_cfg->band_cfg = BAND_CONFIG_MANUAL; - bss_cfg->channel = channel; - - if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, - HostCmd_ACT_GEN_SET, - UAP_BSS_PARAMS_I, bss_cfg)) { - wiphy_err(wiphy, "Failed to set the uAP channel\n"); - kfree(bss_cfg); - return -1; - } - - kfree(bss_cfg); - return 0; -} |