/** @file moal_uap_cfg80211.c * * @brief This file contains the functions for uAP CFG80211. * * Copyright (C) 2011-2019, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 * (the "License"). You may use, redistribute and/or modify this File in * accordance with the terms and conditions of the License, a copy of which * is available by writing to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE * ARE EXPRESSLY DISCLAIMED. The License provides additional details about * this warranty disclaimer. * */ #include "moal_cfg80211.h" #include "moal_uap_cfg80211.h" /** deauth reason code */ #define REASON_CODE_DEAUTH_LEAVING 3 /******************************************************** Local Variables ********************************************************/ /******************************************************** Global Variables ********************************************************/ #ifdef WIFI_DIRECT_SUPPORT extern int GoAgeoutTime; #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) extern int dfs_offload; #endif #ifdef UAP_SUPPORT extern int uap_max_sta; #endif /******************************************************** Local Functions ********************************************************/ /******************************************************** Global Functions ********************************************************/ /** * @brief send deauth to station * * @param A pointer to moal_private * @param mac A pointer to station mac address * @param reason_code ieee deauth reason code * @return 0 -- success, otherwise fail */ static int woal_deauth_station(moal_private *priv, u8 *mac_addr, u16 reason_code) { mlan_ioctl_req *ioctl_req = NULL; mlan_ds_bss *bss = NULL; int ret = 0; mlan_status status = MLAN_STATUS_SUCCESS; ENTER(); ioctl_req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_bss)); if (ioctl_req == NULL) { ret = -ENOMEM; goto done; } bss = (mlan_ds_bss *)ioctl_req->pbuf; bss->sub_command = MLAN_OID_UAP_DEAUTH_STA; ioctl_req->req_id = MLAN_IOCTL_BSS; ioctl_req->action = MLAN_ACT_SET; memcpy(bss->param.deauth_param.mac_addr, mac_addr, MLAN_MAC_ADDR_LENGTH); bss->param.deauth_param.reason_code = reason_code; status = woal_request_ioctl(priv, ioctl_req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_SUCCESS) { ret = -EFAULT; goto done; } done: if (status != MLAN_STATUS_PENDING) kfree(ioctl_req); LEAVE(); return ret; } /** * @brief send deauth to all station * * @param priv A pointer to moal_private structure * * @return 0 -- success, otherwise fail */ static int woal_deauth_all_station(moal_private *priv) { int ret = -EFAULT; int i = 0; mlan_ds_get_info *info = NULL; mlan_ioctl_req *ioctl_req = NULL; mlan_status status = MLAN_STATUS_SUCCESS; ENTER(); if (priv->media_connected == MFALSE) { PRINTM(MINFO, "cfg80211: Media not connected!\n"); LEAVE(); return 0; } PRINTM(MIOCTL, "del all station\n"); /* Allocate an IOCTL request buffer */ ioctl_req = (mlan_ioctl_req *) woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_get_info)); if (ioctl_req == NULL) { ret = -ENOMEM; goto done; } info = (mlan_ds_get_info *)ioctl_req->pbuf; info->sub_command = MLAN_OID_UAP_STA_LIST; ioctl_req->req_id = MLAN_IOCTL_GET_INFO; ioctl_req->action = MLAN_ACT_GET; status = woal_request_ioctl(priv, ioctl_req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_SUCCESS) goto done; if (!info->param.sta_list.sta_count) goto done; for (i = 0; i < info->param.sta_list.sta_count; i++) { PRINTM(MIOCTL, "deauth station " MACSTR "\n", MAC2STR(info->param.sta_list.info[i].mac_address)); ret = woal_deauth_station(priv, info->param.sta_list.info[i]. mac_address, REASON_CODE_DEAUTH_LEAVING); } woal_sched_timeout(200); done: if (status != MLAN_STATUS_PENDING) kfree(ioctl_req); return ret; } /** * @brief Verify RSN IE * * @param rsn_ie Pointer IEEEtypes_Rsn_t structure * @param sys_config Pointer to mlan_uap_bss_param structure * * @return MTRUE/MFALSE */ static t_u8 woal_check_rsn_ie(IEEEtypes_Rsn_t *rsn_ie, mlan_uap_bss_param *sys_config) { int left = 0; int count = 0; int i = 0; wpa_suite_auth_key_mgmt_t *key_mgmt = NULL; left = rsn_ie->len + 2; if (left < sizeof(IEEEtypes_Rsn_t)) return MFALSE; sys_config->wpa_cfg.group_cipher = 0; sys_config->wpa_cfg.pairwise_cipher_wpa2 = 0; sys_config->key_mgmt = 0; /* check the group cipher */ switch (rsn_ie->group_cipher.type) { case WPA_CIPHER_TKIP: sys_config->wpa_cfg.group_cipher = CIPHER_TKIP; break; case WPA_CIPHER_AES_CCM: sys_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; break; default: break; } count = le16_to_cpu(rsn_ie->pairwise_cipher.count); for (i = 0; i < count; i++) { switch (rsn_ie->pairwise_cipher.list[i].type) { case WPA_CIPHER_TKIP: sys_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_TKIP; break; case WPA_CIPHER_AES_CCM: sys_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_AES_CCMP; break; default: break; } } left -= sizeof(IEEEtypes_Rsn_t) + (count - 1) * sizeof(wpa_suite); if (left < sizeof(wpa_suite_auth_key_mgmt_t)) return MFALSE; key_mgmt = (wpa_suite_auth_key_mgmt_t *)((u8 *)rsn_ie + sizeof(IEEEtypes_Rsn_t) + (count - 1) * sizeof(wpa_suite)); count = le16_to_cpu(key_mgmt->count); if (left < (sizeof(wpa_suite_auth_key_mgmt_t) + (count - 1) * sizeof(wpa_suite))) return MFALSE; for (i = 0; i < count; i++) { switch (key_mgmt->list[i].type) { case RSN_AKM_8021X: sys_config->key_mgmt |= KEY_MGMT_EAP; break; case RSN_AKM_PSK: sys_config->key_mgmt |= KEY_MGMT_PSK; break; case RSN_AKM_PSK_SHA256: sys_config->key_mgmt |= KEY_MGMT_PSK_SHA256; break; case RSN_AKM_SAE: sys_config->key_mgmt |= KEY_MGMT_SAE; break; case RSN_AKM_OWE: sys_config->key_mgmt |= KEY_MGMT_OWE; break; } } return MTRUE; } /** * @brief Verify WPA IE * * @param wpa_ie Pointer WPA IE * @param sys_config Pointer to mlan_uap_bss_param structure * * @return MTRUE/MFALSE */ static t_u8 woal_check_wpa_ie(IEEEtypes_Wpa_t *wpa_ie, mlan_uap_bss_param *sys_config) { int left = 0; int count = 0; int i = 0; wpa_suite_auth_key_mgmt_t *key_mgmt = NULL; left = wpa_ie->len + 2; if (left < sizeof(IEEEtypes_Wpa_t)) return MFALSE; sys_config->wpa_cfg.group_cipher = 0; sys_config->wpa_cfg.pairwise_cipher_wpa = 0; switch (wpa_ie->group_cipher.type) { case WPA_CIPHER_TKIP: sys_config->wpa_cfg.group_cipher = CIPHER_TKIP; break; case WPA_CIPHER_AES_CCM: sys_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; break; default: break; } count = le16_to_cpu(wpa_ie->pairwise_cipher.count); for (i = 0; i < count; i++) { switch (wpa_ie->pairwise_cipher.list[i].type) { case WPA_CIPHER_TKIP: sys_config->wpa_cfg.pairwise_cipher_wpa |= CIPHER_TKIP; break; case WPA_CIPHER_AES_CCM: sys_config->wpa_cfg.pairwise_cipher_wpa |= CIPHER_AES_CCMP; break; default: break; } } left -= sizeof(IEEEtypes_Wpa_t) + (count - 1) * sizeof(wpa_suite); if (left < sizeof(wpa_suite_auth_key_mgmt_t)) return MFALSE; key_mgmt = (wpa_suite_auth_key_mgmt_t *)((u8 *)wpa_ie + sizeof(IEEEtypes_Wpa_t) + (count - 1) * sizeof(wpa_suite)); count = le16_to_cpu(key_mgmt->count); if (left < (sizeof(wpa_suite_auth_key_mgmt_t) + (count - 1) * sizeof(wpa_suite))) return MFALSE; for (i = 0; i < count; i++) { switch (key_mgmt->list[i].type) { case RSN_AKM_8021X: sys_config->key_mgmt = KEY_MGMT_EAP; break; case RSN_AKM_PSK: sys_config->key_mgmt = KEY_MGMT_PSK; break; } } return MTRUE; } /** * @brief Find RSN/WPA IES * * @param ie Pointer IE buffer * @param sys_config Pointer to mlan_uap_bss_param structure * * @return MTRUE/MFALSE */ static t_u8 woal_find_wpa_ies(const t_u8 *ie, int len, mlan_uap_bss_param *sys_config) { int bytes_left = len; const t_u8 *pcurrent_ptr = ie; t_u16 total_ie_len; t_u8 element_len; t_u8 wpa2 = 0; t_u8 wpa = 0; t_u8 ret = MFALSE; IEEEtypes_ElementId_e element_id; IEEEtypes_VendorSpecific_t *pvendor_ie; const t_u8 wpa_oui[4] = { 0x00, 0x50, 0xf2, 0x01 }; while (bytes_left >= 2) { element_id = (IEEEtypes_ElementId_e)(*((t_u8 *)pcurrent_ptr)); element_len = *((t_u8 *)pcurrent_ptr + 1); total_ie_len = element_len + sizeof(IEEEtypes_Header_t); if (bytes_left < total_ie_len) { PRINTM(MERROR, "InterpretIE: Error in processing IE, bytes left < IE length\n"); bytes_left = 0; continue; } switch (element_id) { case RSN_IE: wpa2 = woal_check_rsn_ie((IEEEtypes_Rsn_t *) pcurrent_ptr, sys_config); break; case VENDOR_SPECIFIC_221: pvendor_ie = (IEEEtypes_VendorSpecific_t *)pcurrent_ptr; if (!memcmp (pvendor_ie->vend_hdr.oui, wpa_oui, sizeof(pvendor_ie->vend_hdr.oui)) && (pvendor_ie->vend_hdr.oui_type == wpa_oui[3])) { wpa = woal_check_wpa_ie((IEEEtypes_Wpa_t *) pcurrent_ptr, sys_config); } break; default: break; } pcurrent_ptr += element_len + 2; /* Need to account for IE ID and IE Len */ bytes_left -= (element_len + 2); } if (wpa && wpa2) { sys_config->protocol = PROTOCOL_WPA | PROTOCOL_WPA2; ret = MTRUE; } else if (wpa2) { sys_config->protocol = PROTOCOL_WPA2; ret = MTRUE; } else if (wpa) { sys_config->protocol = PROTOCOL_WPA; ret = MTRUE; } return ret; } /** * @brief Find and set WMM IES * * @param ie Pointer IE buffer * @param sys_config Pointer to mlan_uap_bss_param structure * * @return N/A */ static t_void woal_set_wmm_ies(const t_u8 *ie, int len, mlan_uap_bss_param *sys_config) { int bytes_left = len; const t_u8 *pcurrent_ptr = ie; t_u16 total_ie_len; t_u8 element_len; IEEEtypes_VendorSpecific_t *pvendor_ie; IEEEtypes_ElementId_e element_id; const t_u8 wmm_oui[4] = { 0x00, 0x50, 0xf2, 0x02 }; t_u8 *poui; while (bytes_left >= 2) { element_id = (IEEEtypes_ElementId_e)(*((t_u8 *)pcurrent_ptr)); element_len = *((t_u8 *)pcurrent_ptr + 1); total_ie_len = element_len + sizeof(IEEEtypes_Header_t); if (bytes_left < total_ie_len) { PRINTM(MERROR, "InterpretIE: Error in processing IE, bytes left < IE length\n"); bytes_left = 0; continue; } switch (element_id) { case VENDOR_SPECIFIC_221: pvendor_ie = (IEEEtypes_VendorSpecific_t *)pcurrent_ptr; poui = pvendor_ie->vend_hdr.oui; if (!memcmp(poui, wmm_oui, sizeof(wmm_oui))) { if (total_ie_len == sizeof(IEEEtypes_WmmParameter_t)) { /* * Only accept and copy the WMM IE if * it matches the size expected for the * WMM Parameter IE. */ memcpy(&sys_config->wmm_para, pcurrent_ptr + sizeof(IEEEtypes_Header_t), element_len); } } break; default: break; } pcurrent_ptr += element_len + 2; /* Need to account for IE ID and IE Len */ bytes_left -= (element_len + 2); } } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) /** * @brief initialize AP or GO bss config * @param priv A pointer to moal private structure * @param params A pointer to cfg80211_ap_settings structure * @return 0 -- success, otherwise fail */ t_u8 woal_check_11ac_capability(moal_private *priv, struct cfg80211_ap_settings *params) #else /** * @brief initialize AP or GO bss config * @param priv A pointer to moal private structure * @return 0 -- success, otherwise fail */ t_u8 woal_check_11ac_capability(moal_private *priv) #endif { mlan_fw_info fw_info; t_u8 enable_11ac = MFALSE; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) const u8 *vht_ie = NULL; #endif ENTER(); woal_request_get_fw_info(priv, MOAL_IOCTL_WAIT, &fw_info); if (!(fw_info.fw_bands & BAND_AAC)) { LEAVE(); return enable_11ac; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, params->beacon.tail_len); if (vht_ie) enable_11ac = MTRUE; else enable_11ac = MFALSE; #else enable_11ac = MTRUE; #endif LEAVE(); return enable_11ac; } /** * @brief get ht_cap from beacon ie * * @param ie Pointer to IEs * @param len Total length of ie * * @return ht_cap */ static t_u16 woal_get_htcap_info(const t_u8 *ie, int len) { t_u16 ht_cap_info = 0; IEEEtypes_HTCap_t *htcap_ie = NULL; htcap_ie = (IEEEtypes_HTCap_t *)woal_parse_ie_tlv(ie, len, HT_CAPABILITY); if (htcap_ie) { /* hostap has converted ht_cap_info to little endian, here conver to host endian */ ht_cap_info = woal_le16_to_cpu(htcap_ie->ht_cap.ht_cap_info); PRINTM(MMSG, "Get ht_cap from beacon ies: 0x%x\n", ht_cap_info); } return ht_cap_info; } /** * @brief get vht_cap from beacon ie * * @param ie Pointer to IEs * @param len Total length of ie * * @return Pointer to vht_cap ie */ static IEEEtypes_VHTCap_t * woal_get_vhtcap_info(const t_u8 *ie, int len) { IEEEtypes_VHTCap_t *vhtcap_ie = NULL; vhtcap_ie = (IEEEtypes_VHTCap_t *)woal_parse_ie_tlv(ie, len, VHT_CAPABILITY); if (vhtcap_ie) PRINTM(MMSG, "Get vht_cap from beacon ies: 0x%x\n", vhtcap_ie->vht_cap.vht_cap_info); return vhtcap_ie; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) /** Starting Frequency for 11A band */ #define START_FREQ_11A_BAND 5000 /* in MHz */ /** * @brief convert cfg80211_chan_def to Band_Config * * @param bandcfg A pointer to (Band_Config_t structure * @param chandef A pointer to cfg80211_chan_def structure * * @return N/A */ static void woal_convert_chan_to_bandconfig(Band_Config_t *bandcfg, struct cfg80211_chan_def *chandef) { ENTER(); if (chandef->chan->hw_value <= MAX_BG_CHANNEL) bandcfg->chanBand = BAND_2GHZ; else bandcfg->chanBand = BAND_5GHZ; switch (chandef->width) { case NL80211_CHAN_WIDTH_20_NOHT: case NL80211_CHAN_WIDTH_20: bandcfg->chanWidth = CHAN_BW_20MHZ; break; case NL80211_CHAN_WIDTH_40: bandcfg->chanWidth = CHAN_BW_40MHZ; if (chandef->center_freq1 > chandef->chan->center_freq) bandcfg->chan2Offset = SEC_CHAN_ABOVE; else bandcfg->chan2Offset = SEC_CHAN_BELOW; break; case NL80211_CHAN_WIDTH_80: bandcfg->chan2Offset = woal_get_second_channel_offset(chandef->chan->hw_value); bandcfg->chanWidth = CHAN_BW_80MHZ; break; case NL80211_CHAN_WIDTH_80P80: case NL80211_CHAN_WIDTH_160: default: break; } LEAVE(); return; } /** * @brief Enable radar detect for DFS channel * * @param priv A pointer to moal private structure * @param chandef A pointer to cfg80211_chan_def structure * @return N/A */ static void woal_enable_dfs_support(moal_private *priv, struct cfg80211_chan_def *chandef) { mlan_ioctl_req *req = NULL; mlan_ds_11h_chan_rep_req *pchan_rpt_req = NULL; mlan_ds_11h_cfg *p11h_cfg = NULL; mlan_status status = MLAN_STATUS_SUCCESS; ENTER(); if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { PRINTM(MIOCTL, "No radar channel\n"); LEAVE(); return; } PRINTM(MIOCTL, "start Radar detect, chan %d , Bw %d \n", chandef->chan->hw_value, chandef->width); req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_11h_cfg)); if (NULL == req) { PRINTM(MIOCTL, "No Memory to allocate ioctl buffer\n"); LEAVE(); return; } p11h_cfg = (mlan_ds_11h_cfg *)req->pbuf; pchan_rpt_req = &p11h_cfg->param.chan_rpt_req; pchan_rpt_req->startFreq = 5000; pchan_rpt_req->chanNum = (t_u8)chandef->chan->hw_value; woal_convert_chan_to_bandconfig(&pchan_rpt_req->bandcfg, chandef); pchan_rpt_req->host_based = MTRUE; pchan_rpt_req->millisec_dwell_time = 0; p11h_cfg->sub_command = MLAN_OID_11H_CHANNEL_CHECK; req->req_id = MLAN_IOCTL_11H_CFG; req->action = MLAN_ACT_SET; /* Send Channel Check command and wait until the report is ready */ status = woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_PENDING) kfree(req); LEAVE(); return; } #endif /** * @brief Prase supported rates from beacon data, set bss cfg accordingly * * @param bss_cfg A pointer to bss configuration structure * @param head_ie A pointer to beacon head IE buffer * @param head_len head IE buffer length * @param tail_ie A pointer to beacon tail IE buffer * @param tail_len tail IE buffer length * * @return N/A */ static void woal_set_uap_rates(mlan_uap_bss_param *bss_cfg, const t_u8 *head_ie, int head_len, const t_u8 *tail_ie, int tail_len) { pIEEEtypes_Header_t rate_ie; pIEEEtypes_Header_t ext_rate_ie; int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); const u8 *var_pos = head_ie + var_offset; int len = head_len - var_offset; int rate_len = 0; rate_ie = (void *)woal_parse_ie_tlv(var_pos, len, WLAN_EID_SUPP_RATES); if (rate_ie) { memset(bss_cfg->rates, 0, sizeof(bss_cfg->rates)); memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); rate_len = rate_ie->len; } ext_rate_ie = (void *)woal_parse_ie_tlv(tail_ie, tail_len, WLAN_EID_EXT_SUPP_RATES); if (ext_rate_ie) { memcpy(&bss_cfg->rates[rate_len], ext_rate_ie + 1, ext_rate_ie->len); rate_len += ext_rate_ie->len; } DBG_HEXDUMP(MCMD_D, "rates", bss_cfg->rates, sizeof(bss_cfg->rates)); } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) /** * @brief initialize AP or GO bss config * * @param priv A pointer to moal private structure * @param params A pointer to cfg80211_ap_settings structure * @return 0 -- success, otherwise fail */ static int woal_cfg80211_beacon_config(moal_private *priv, struct cfg80211_ap_settings *params) #else /** * @brief initialize AP or GO bss config * * @param priv A pointer to moal private structure * @param params A pointer to beacon_parameters structure * @return 0 -- success, otherwise fail */ static int woal_cfg80211_beacon_config(moal_private *priv, struct beacon_parameters *params) #endif { struct wiphy *wiphy = NULL; const t_u8 *ie = NULL; int ret = 0, ie_len; mlan_uap_bss_param *sys_config = NULL; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) int i = 0; #else t_u8 wpa_ies; const t_u8 *ssid_ie = NULL; struct ieee80211_mgmt *head = NULL; t_u16 capab_info = 0; #endif t_u8 rates_bg[13] = { 0x82, 0x84, 0x8b, 0x96, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, 0x00 }; t_u8 rates_a[9] = { 0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c, 0x00 }; #ifdef WIFI_DIRECT_SUPPORT t_u8 rates_wfd[9] = { 0x8c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, 0x00 }; #endif t_u8 chan2Offset = SEC_CHAN_NONE; t_u8 enable_11n = MTRUE; t_u16 ht_cap = 0; t_u8 enable_11ac = MFALSE; t_u8 vht20_40 = MFALSE; IEEEtypes_VHTCap_t *vhtcap_ie = NULL; t_u8 *wapi_ie = NULL; int wapi_ie_len = 0; #if defined(DFS_TESTING_SUPPORT) #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) mlan_ds_11h_chan_nop_info chan_nop_info; Band_Config_t bandcfg; #endif #endif ENTER(); if (!params) { ret = -EFAULT; goto done; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) ie = ((struct cfg80211_ap_settings *)params)->beacon.tail; ie_len = ((struct cfg80211_ap_settings *)params)->beacon.tail_len; #else ie = ((struct beacon_parameters *)params)->tail; ie_len = ((struct beacon_parameters *)params)->tail_len; #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) wapi_ie = (t_u8 *)woal_parse_ie_tlv(params->beacon.tail, params->beacon.tail_len, WAPI_IE); #else wapi_ie = (t_u8 *)woal_parse_ie_tlv(params->tail, params->tail_len, WAPI_IE); #endif if (wapi_ie) { wapi_ie_len = *(wapi_ie + 1) + 2; woal_set_get_gen_ie(priv, MLAN_ACT_SET, wapi_ie, &wapi_ie_len, MOAL_IOCTL_WAIT); } wiphy = priv->phandle->wiphy; if (priv->bss_type != MLAN_BSS_TYPE_UAP #ifdef WIFI_DIRECT_SUPPORT && priv->bss_type != MLAN_BSS_TYPE_WIFIDIRECT #endif ) { ret = -EFAULT; goto done; } sys_config = kzalloc(sizeof(mlan_uap_bss_param), GFP_ATOMIC); if (!sys_config) { PRINTM(MERROR, "Fail to alloc memory for mlan_uap_bss_param\n"); ret = -EFAULT; goto done; } /* Initialize the uap bss values which are uploaded from firmware */ if (MLAN_STATUS_SUCCESS != woal_set_get_sys_config(priv, MLAN_ACT_GET, MOAL_IOCTL_WAIT, sys_config)) { PRINTM(MERROR, "Error getting AP confiruration\n"); ret = -EFAULT; goto done; } if (uap_max_sta) sys_config->max_sta_count = uap_max_sta; /* Setting the default values */ sys_config->channel = 6; sys_config->preamble_type = 0; sys_config->mgmt_ie_passthru_mask = priv->mgmt_subtype_mask; memcpy(sys_config->mac_addr, priv->current_addr, ETH_ALEN); #ifdef WIFI_DIRECT_SUPPORT if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT && GoAgeoutTime) { sys_config->sta_ageout_timer = GoAgeoutTime; sys_config->ps_sta_ageout_timer = GoAgeoutTime; } #endif /* Set frag_threshold, rts_threshold, and retry limit */ sys_config->frag_threshold = wiphy->frag_threshold; sys_config->rts_threshold = wiphy->rts_threshold; sys_config->retry_limit = wiphy->retry_long; if (sys_config->frag_threshold == (t_u16)MLAN_FRAG_RTS_DISABLED) { sys_config->frag_threshold = MLAN_FRAG_MAX_VALUE; } if (sys_config->rts_threshold == (t_u16)MLAN_FRAG_RTS_DISABLED) { sys_config->rts_threshold = MLAN_RTS_MAX_VALUE; } if (priv->bss_type == MLAN_BSS_TYPE_UAP) { #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) if (params->beacon_interval) sys_config->beacon_period = params->beacon_interval; #else if (params->interval) sys_config->beacon_period = params->interval; #endif if (params->dtim_period) sys_config->dtim_period = params->dtim_period; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) /** back up ap's channel */ memcpy(&priv->chan, ¶ms->chandef, sizeof(struct cfg80211_chan_def)); #endif #if defined(DFS_TESTING_SUPPORT) #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) PRINTM(MCMND, "Checking if AP's channel %d is under NOP\n", priv->channel); woal_convert_chan_to_bandconfig(&bandcfg, ¶ms->chandef); memset(&chan_nop_info, 0, sizeof(chan_nop_info)); chan_nop_info.curr_chan = priv->channel; chan_nop_info.chan_width = bandcfg.chanWidth; if (params->chandef.width >= NL80211_CHAN_WIDTH_20) chan_nop_info.new_chan.is_11n_enabled = MTRUE; chan_nop_info.new_chan.bandcfg = bandcfg; woal_uap_get_channel_nop_info(priv, MOAL_IOCTL_WAIT, &chan_nop_info); if (chan_nop_info.chan_under_nop) { PRINTM(MCMND, "cfg80211: Channel %d is under NOP, New channel=%d\n", priv->channel, chan_nop_info.new_chan.channel); priv->chan_under_nop = chan_nop_info.chan_under_nop; priv->channel = chan_nop_info.new_chan.channel; woal_chandef_create(priv, &priv->chan, &chan_nop_info.new_chan); } #endif #endif if (priv->channel) { woal_check_mc_connection(priv, MOAL_IOCTL_WAIT, priv->channel); memset(sys_config->rates, 0, sizeof(sys_config->rates)); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) switch (priv->chan.width) { #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) case NL80211_CHAN_WIDTH_5: case NL80211_CHAN_WIDTH_10: #endif case NL80211_CHAN_WIDTH_20_NOHT: enable_11n = MFALSE; break; case NL80211_CHAN_WIDTH_20: break; case NL80211_CHAN_WIDTH_40: if (priv->chan.center_freq1 < priv->chan.chan->center_freq) chan2Offset = SEC_CHAN_BELOW; else chan2Offset = SEC_CHAN_ABOVE; break; case NL80211_CHAN_WIDTH_80: case NL80211_CHAN_WIDTH_80P80: case NL80211_CHAN_WIDTH_160: chan2Offset = woal_get_second_channel_offset(priv->channel); break; default: PRINTM(MWARN, "Unknown channel width: %d\n", priv->chan.width); break; } #else switch (params->channel_type) { case NL80211_CHAN_NO_HT: enable_11n = MFALSE; break; case NL80211_CHAN_HT20: break; case NL80211_CHAN_HT40PLUS: chan2Offset = SEC_CHAN_ABOVE; break; case NL80211_CHAN_HT40MINUS: chan2Offset = SEC_CHAN_BELOW; break; default: PRINTM(MWARN, "Unknown channel type: %d\n", params->channel_type); break; } #endif #endif /* CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) */ sys_config->channel = priv->channel; if (priv->channel <= MAX_BG_CHANNEL) { sys_config->bandcfg.chanBand = BAND_2GHZ; #ifdef WIFI_DIRECT_SUPPORT if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT) memcpy(sys_config->rates, rates_wfd, sizeof(rates_wfd)); else #endif memcpy(sys_config->rates, rates_bg, sizeof(rates_bg)); } else { sys_config->bandcfg.chanBand = BAND_5GHZ; #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 6, 0) chan2Offset = woal_get_second_channel_offset(priv->channel); #endif #ifdef WIFI_DIRECT_SUPPORT #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) /* Force enable 40MHZ on WFD interface */ if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT) chan2Offset = woal_get_second_channel_offset(priv-> channel); #endif #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) enable_11ac = woal_check_11ac_capability(priv, params); if (enable_11ac && ((priv->chan.width == NL80211_CHAN_WIDTH_20) || (priv->chan.width == NL80211_CHAN_WIDTH_40))) vht20_40 = MTRUE; #else enable_11ac = woal_check_11ac_capability(priv); #endif #ifdef WIFI_DIRECT_SUPPORT if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT) memcpy(sys_config->rates, rates_wfd, sizeof(rates_wfd)); else #endif memcpy(sys_config->rates, rates_a, sizeof(rates_a)); } /* Replaced with rate from userspace, if exist */ #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) woal_set_uap_rates(sys_config, params->beacon.head, params->beacon.head_len, params->beacon.tail, params->beacon.tail_len); #else woal_set_uap_rates(sys_config, params->head, params->head_len, params->tail, params->tail_len); #endif /* Disable GreenField by default */ sys_config->ht_cap_info = 0x10c; if (enable_11n) sys_config->ht_cap_info |= 0x20; if (chan2Offset) { sys_config->bandcfg.chan2Offset = chan2Offset; sys_config->ht_cap_info |= 0x1042; sys_config->ampdu_param = 3; } else { sys_config->bandcfg.chan2Offset = 0; } if (priv->bss_type == MLAN_BSS_TYPE_UAP) { ht_cap = woal_get_htcap_info(ie, ie_len); if (ht_cap) { if (sys_config->bandcfg.chanBand == BAND_2GHZ) sys_config->ht_cap_info = (ht_cap & (wiphy-> bands[IEEE80211_BAND_2GHZ]-> ht_cap.cap & 0x13ff)) | 0x0c; else sys_config->ht_cap_info = (ht_cap & (wiphy-> bands[IEEE80211_BAND_5GHZ]-> ht_cap.cap & 0x13ff)) | 0x0c; } PRINTM(MCMND, "11n=%d, ht_cap=0x%x, channel=%d, bandcfg:chanBand=0x%x chanWidth=0x%x chan2Offset=0x%x scanMode=0x%x\n", enable_11n, sys_config->ht_cap_info, priv->channel, sys_config->bandcfg.chanBand, sys_config->bandcfg.chanWidth, sys_config->bandcfg.chan2Offset, sys_config->bandcfg.scanMode); } } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) if (!params->ssid || !params->ssid_len) { ret = -EINVAL; goto done; } memcpy(sys_config->ssid.ssid, params->ssid, MIN(MLAN_MAX_SSID_LENGTH, params->ssid_len)); sys_config->ssid.ssid_len = MIN(MLAN_MAX_SSID_LENGTH, params->ssid_len); /** * hidden_ssid=0: broadcast SSID in beacons. * hidden_ssid=1: send empty SSID (length=0) in beacon. * hidden_ssid=2: clear SSID (ACSII 0), but keep the original length */ if (!params->hidden_ssid) sys_config->bcast_ssid_ctl = 1; else if (params->hidden_ssid == 1) sys_config->bcast_ssid_ctl = 0; else if (params->hidden_ssid == 2) sys_config->bcast_ssid_ctl = 2; switch (params->auth_type) { case NL80211_AUTHTYPE_SHARED_KEY: sys_config->auth_mode = MLAN_AUTH_MODE_SHARED; break; case NL80211_AUTHTYPE_AUTOMATIC: sys_config->auth_mode = MLAN_AUTH_MODE_AUTO; break; case NL80211_AUTHTYPE_OPEN_SYSTEM: default: sys_config->auth_mode = MLAN_AUTH_MODE_OPEN; break; } sys_config->protocol = PROTOCOL_NO_SECURITY; if ((params->crypto.wpa_versions & NL80211_WPA_VERSION_1) && (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)) sys_config->protocol = PROTOCOL_WPA | PROTOCOL_WPA2; else if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) sys_config->protocol = PROTOCOL_WPA2; else if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) sys_config->protocol = PROTOCOL_WPA; if (params->crypto.n_akm_suites || (params->privacy && params->crypto.wpa_versions)) woal_find_wpa_ies(ie, ie_len, sys_config); for (i = 0; i < params->crypto.n_akm_suites; i++) { switch (params->crypto.akm_suites[i]) { case WLAN_AKM_SUITE_8021X: sys_config->key_mgmt |= KEY_MGMT_EAP; break; case WLAN_AKM_SUITE_PSK: sys_config->key_mgmt |= KEY_MGMT_PSK; break; } } sys_config->wpa_cfg.pairwise_cipher_wpa = 0; sys_config->wpa_cfg.pairwise_cipher_wpa2 = 0; for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { switch (params->crypto.ciphers_pairwise[i]) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: break; case WLAN_CIPHER_SUITE_TKIP: if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) sys_config->wpa_cfg.pairwise_cipher_wpa |= CIPHER_TKIP; if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) sys_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_TKIP; break; case WLAN_CIPHER_SUITE_CCMP: if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) sys_config->wpa_cfg.pairwise_cipher_wpa |= CIPHER_AES_CCMP; if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) sys_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_AES_CCMP; break; case WLAN_CIPHER_SUITE_SMS4: sys_config->protocol = PROTOCOL_WAPI; break; } } switch (params->crypto.cipher_group) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: if ((priv->cipher == WLAN_CIPHER_SUITE_WEP40) || (priv->cipher == WLAN_CIPHER_SUITE_WEP104)) { sys_config->protocol = PROTOCOL_STATIC_WEP; sys_config->key_mgmt = KEY_MGMT_NONE; sys_config->wpa_cfg.length = 0; memcpy(&sys_config->wep_cfg.key0, &priv->uap_wep_key[0], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key1, &priv->uap_wep_key[1], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key2, &priv->uap_wep_key[2], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key3, &priv->uap_wep_key[3], sizeof(wep_key)); } break; case WLAN_CIPHER_SUITE_TKIP: sys_config->wpa_cfg.group_cipher = CIPHER_TKIP; break; case WLAN_CIPHER_SUITE_CCMP: sys_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; break; case WLAN_CIPHER_SUITE_SMS4: sys_config->protocol = PROTOCOL_WAPI; break; } #else /* Since in Android ICS 4.0.1's wpa_supplicant, there is no way to set ssid * when GO (AP) starts up, so get it from beacon head parameter * TODO: right now use hard code * 24 -- ieee80211 header lenth, 12 -- fixed element length for beacon */ #define BEACON_IE_OFFSET 36 /* Find SSID in head * SSID IE id: 0, right now use hard code */ ssid_ie = woal_parse_ie_tlv(params->head + BEACON_IE_OFFSET, params->head_len - BEACON_IE_OFFSET, 0); if (!ssid_ie) { PRINTM(MERROR, "No ssid IE found.\n"); ret = -EFAULT; goto done; } if (*(ssid_ie + 1) > 32) { PRINTM(MERROR, "ssid len error: %d\n", *(ssid_ie + 1)); ret = -EFAULT; goto done; } memcpy(sys_config->ssid.ssid, ssid_ie + 2, *(ssid_ie + 1)); sys_config->ssid.ssid_len = *(ssid_ie + 1); head = (struct ieee80211_mgmt *)params->head; capab_info = le16_to_cpu(head->u.beacon.capab_info); PRINTM(MIOCTL, "capab_info=0x%x\n", head->u.beacon.capab_info); sys_config->auth_mode = MLAN_AUTH_MODE_OPEN; /** For ICS, we don't support OPEN mode */ if ((priv->cipher == WLAN_CIPHER_SUITE_WEP40) || (priv->cipher == WLAN_CIPHER_SUITE_WEP104)) { sys_config->protocol = PROTOCOL_STATIC_WEP; sys_config->key_mgmt = KEY_MGMT_NONE; sys_config->.wpa_cfg.length = 0; memcpy(&sys_config->wep_cfg.key0, &priv->uap_wep_key[0], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key1, &priv->uap_wep_key[1], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key2, &priv->uap_wep_key[2], sizeof(wep_key)); memcpy(&sys_config->wep_cfg.key3, &priv->uap_wep_key[3], sizeof(wep_key)); } else { /** Get cipher and key_mgmt from RSN/WPA IE */ if (capab_info & WLAN_CAPABILITY_PRIVACY) { wpa_ies = woal_find_wpa_ies(params->tail, params->tail_len, sys_config); if (wpa_ies == MFALSE) { /* hard code setting to wpa2-psk */ sys_config->protocol = PROTOCOL_WPA2; sys_config->key_mgmt = KEY_MGMT_PSK; sys_config->wpa_cfg.pairwise_cipher_wpa2 = CIPHER_AES_CCMP; sys_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; } } } #endif if (priv->bss_type == MLAN_BSS_TYPE_UAP) { /*find and set wmm ie */ woal_set_wmm_ies(ie, ie_len, sys_config); } /* If the security mode is configured as WEP or WPA-PSK, * it will disable 11n automatically, and if configured as * open(off) or wpa2-psk, it will automatically enable 11n */ if ((sys_config->protocol == PROTOCOL_STATIC_WEP) || (sys_config->protocol == PROTOCOL_WPA)) enable_11n = MFALSE; if (!enable_11n) { woal_set_uap_ht_tx_cfg(priv, sys_config->bandcfg, MFALSE); woal_uap_set_11n_status(priv, sys_config, MLAN_ACT_DISABLE); } else { woal_set_uap_ht_tx_cfg(priv, sys_config->bandcfg, MTRUE); woal_uap_set_11n_status(priv, sys_config, MLAN_ACT_ENABLE); woal_set_get_tx_bf_cap(priv, MLAN_ACT_GET, &sys_config->tx_bf_cap); } if (sys_config->bandcfg.chanBand == BAND_5GHZ) { if (enable_11ac && enable_11n) { vhtcap_ie = woal_get_vhtcap_info(ie, ie_len); woal_uap_set_11ac_status(priv, MLAN_ACT_ENABLE, vht20_40, vhtcap_ie); } else woal_uap_set_11ac_status(priv, MLAN_ACT_DISABLE, vht20_40, NULL); } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) if (params->inactivity_timeout) { sys_config->sta_ageout_timer = params->inactivity_timeout * 10; sys_config->ps_sta_ageout_timer = params->inactivity_timeout * 10; } PRINTM(MIOCTL, "inactivity_timeout=%d\n", params->inactivity_timeout); PRINTM(MIOCTL, "sta_ageout_timer=%d ps_sta_ageout_timer=%d\n", sys_config->sta_ageout_timer, sys_config->ps_sta_ageout_timer); #endif if (MLAN_STATUS_SUCCESS != woal_set_get_sys_config(priv, MLAN_ACT_SET, MOAL_IOCTL_WAIT, sys_config)) { ret = -EFAULT; goto done; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) woal_enable_dfs_support(priv, &priv->chan); #endif done: kfree(sys_config); LEAVE(); return ret; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) /** * @brief Request the driver to add a monitor interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param name_assign_type Interface name assignment type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * @param new_dev Netdevice to be passed out * * @return 0 -- success, otherwise fail */ static int woal_cfg80211_add_mon_if(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, u32 *flags, struct vif_params *params, struct net_device **new_dev) #else /** * @brief Request the driver to add a monitor interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * @param new_dev Netdevice to be passed out * * @return 0 -- success, otherwise fail */ static int woal_cfg80211_add_mon_if(struct wiphy *wiphy, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) const #endif char *name, u32 *flags, struct vif_params *params, struct net_device **new_dev) #endif { int ret = 0; moal_handle *handle = (moal_handle *)woal_get_wiphy_priv(wiphy); moal_private *priv = (moal_private *)woal_get_priv(handle, MLAN_BSS_ROLE_STA); monitor_iface *mon_if = NULL; struct net_device *ndev = NULL; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) chan_band_info chan_info; #endif unsigned char name_assign_type_tmp = 0; ENTER(); ASSERT_RTNL(); if (handle->mon_if) { PRINTM(MERROR, "%s: monitor interface exist: %s basedev %s\n", __func__, handle->mon_if->mon_ndev->name, handle->mon_if->base_ndev->name); ret = -EFAULT; goto fail; } if (!priv) { PRINTM(MERROR, "add_mon_if: priv is NULL\n"); ret = -EFAULT; goto fail; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) name_assign_type_tmp = name_assign_type; #endif mon_if = woal_prepare_mon_if(priv, name, name_assign_type_tmp); if (!mon_if) { PRINTM(MFATAL, "Prepare mon_if fail.\n"); goto fail; } ndev = mon_if->mon_ndev; dev_net_set(ndev, wiphy_net(wiphy)); memcpy(ndev->perm_addr, wiphy->perm_addr, ETH_ALEN); memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN); SET_NETDEV_DEV(ndev, wiphy_dev(wiphy)); ndev->ieee80211_ptr = &mon_if->wdev; mon_if->wdev.iftype = NL80211_IFTYPE_MONITOR; mon_if->wdev.wiphy = wiphy; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) /* if any interface is active, the sniffer will always operate * on the same channel as that of active connection, else will * operate on the specified channel and band */ memset(&chan_info, 0x00, sizeof(chan_info)); mon_if->band_chan_cfg.channel = 0; if (!woal_is_any_interface_active(handle)) { /* Set default band channel config */ mon_if->band_chan_cfg.band = BAND_B | BAND_G; mon_if->band_chan_cfg.band |= BAND_GN; mon_if->band_chan_cfg.channel = 1; mon_if->band_chan_cfg.chan_bandwidth = CHANNEL_BW_20MHZ; chan_info.channel = 1; chan_info.is_11n_enabled = MTRUE; } if (MLAN_STATUS_SUCCESS != woal_set_net_monitor(priv, MOAL_IOCTL_WAIT, MTRUE, 0x7, &mon_if-> band_chan_cfg)) { PRINTM(MERROR, "%s: woal_set_net_monitor fail\n", __func__); ret = -EFAULT; goto fail; } if (woal_is_any_interface_active(handle)) { /* set current band channel config */ chan_info.bandcfg.chanBand = mon_if->band_chan_cfg.band; if (mon_if->band_chan_cfg.band & (BAND_B | BAND_G | BAND_GN | BAND_GAC)) chan_info.bandcfg.chanBand = BAND_2GHZ; else /* TODO: Add support for BAND_4GHZ */ chan_info.bandcfg.chanBand = BAND_5GHZ; chan_info.bandcfg.chanWidth = mon_if->band_chan_cfg.chan_bandwidth; chan_info.channel = mon_if->band_chan_cfg.channel; chan_info.is_11n_enabled = MTRUE; } if (MLAN_STATUS_FAILURE == woal_chandef_create(priv, &mon_if->chandef, &chan_info)) { /* stop monitor mode on error */ woal_set_net_monitor(priv, MOAL_IOCTL_WAIT, MFALSE, 0, NULL); ret = -EFAULT; goto fail; } #endif ret = register_netdevice(ndev); if (ret) { PRINTM(MFATAL, "register net_device failed, ret=%d\n", ret); free_netdev(ndev); goto fail; } handle->mon_if = mon_if; if (new_dev) *new_dev = ndev; fail: LEAVE(); return ret; } #if defined(WIFI_DIRECT_SUPPORT) #if CFG80211_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION /** * @brief Callback function for virtual interface * setup * * @param dev A pointer to structure net_device * * @return N/A */ static void woal_virt_if_setup(struct net_device *dev) { ENTER(); ether_setup(dev); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 11, 9) dev->needs_free_netdev = true; #else dev->destructor = free_netdev; #endif LEAVE(); } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) /** * @brief This function adds a new interface. It will * allocate, initialize and register the device. * * @param handle A pointer to moal_handle structure * @param bss_index BSS index number * @param name_assign_type Interface name assignment type * @param bss_type BSS type * * @return A pointer to the new priv structure */ moal_private * woal_alloc_virt_interface(moal_handle *handle, t_u8 bss_index, unsigned char name_assign_type, t_u8 bss_type, const char *name) #else /** * @brief This function adds a new interface. It will * allocate, initialize and register the device. * * @param handle A pointer to moal_handle structure * @param bss_index BSS index number * @param bss_type BSS type * * @return A pointer to the new priv structure */ moal_private * woal_alloc_virt_interface(moal_handle *handle, t_u8 bss_index, t_u8 bss_type, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) const #endif char *name) #endif { struct net_device *dev = NULL; moal_private *priv = NULL; ENTER(); #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 29) #ifndef MAX_WMM_QUEUE #define MAX_WMM_QUEUE 4 #endif /* Allocate an Ethernet device */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0) #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) dev = alloc_netdev_mq(sizeof(moal_private), name, name_assign_type, woal_virt_if_setup, MAX_WMM_QUEUE); #else dev = alloc_netdev_mq(sizeof(moal_private), name, NET_NAME_UNKNOWN, woal_virt_if_setup, MAX_WMM_QUEUE); #endif #else dev = alloc_netdev_mq(sizeof(moal_private), name, woal_virt_if_setup, MAX_WMM_QUEUE); #endif #else dev = alloc_netdev(sizeof(moal_private), name, woal_virt_if_setup); #endif if (!dev) { PRINTM(MFATAL, "Init virtual ethernet device failed\n"); goto error; } /* Allocate device name */ if ((dev_alloc_name(dev, name) < 0)) { PRINTM(MERROR, "Could not allocate device name\n"); goto error; } priv = (moal_private *)netdev_priv(dev); /* Save the priv to handle */ handle->priv[bss_index] = priv; /* Use the same handle structure */ priv->phandle = handle; priv->netdev = dev; priv->bss_index = bss_index; priv->bss_type = bss_type; priv->bss_role = MLAN_BSS_ROLE_STA; INIT_LIST_HEAD(&priv->tcp_sess_queue); spin_lock_init(&priv->tcp_sess_lock); INIT_LIST_HEAD(&priv->tx_stat_queue); spin_lock_init(&priv->tx_stat_lock); spin_lock_init(&priv->connect_lock); #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24) SET_MODULE_OWNER(dev); #endif PRINTM(MCMND, "Alloc virtual interface%s\n", dev->name); LEAVE(); return priv; error: if (dev) free_netdev(dev); LEAVE(); return NULL; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param name_assign_type Interface name assignment type * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * @param new_dev new net_device to return * * @return 0 -- success, otherwise fail */ int woal_cfg80211_add_virt_if(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params, struct net_device **new_dev) #else /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * @param new_dev new net_device to return * * @return 0 -- success, otherwise fail */ int woal_cfg80211_add_virt_if(struct wiphy *wiphy, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) const #endif char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params, struct net_device **new_dev) #endif { int ret = 0; struct net_device *ndev = NULL; moal_private *priv = NULL, *new_priv = NULL; moal_handle *handle = (moal_handle *)woal_get_wiphy_priv(wiphy); struct wireless_dev *wdev = NULL; moal_private *vir_priv; int i = 0; ENTER(); ASSERT_RTNL(); priv = (moal_private *)woal_get_priv_bss_type(handle, MLAN_BSS_TYPE_WIFIDIRECT); if (!priv || !priv->phandle) { PRINTM(MERROR, "priv or handle is NULL\n"); LEAVE(); return -EFAULT; } if (priv->phandle->drv_mode.intf_num == priv->phandle->priv_num) { PRINTM(MERROR, "max virtual interface limit reached\n"); for (i = 0; i < priv->phandle->priv_num; i++) { vir_priv = priv->phandle->priv[i]; if (vir_priv->bss_virtual) { woal_cfg80211_del_virt_if(wiphy, vir_priv->netdev); break; } } if (priv->phandle->drv_mode.intf_num == priv->phandle->priv_num) { LEAVE(); return -ENOMEM; } } PRINTM(MMSG, "Add virtual interface %s\n", name); if ((type != NL80211_IFTYPE_P2P_CLIENT) && (type != NL80211_IFTYPE_P2P_GO)) { PRINTM(MERROR, "Invalid iftype: %d\n", type); LEAVE(); return -EINVAL; } handle = priv->phandle; /* Cancel previous scan req */ woal_cancel_scan(priv, MOAL_IOCTL_WAIT); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) new_priv = woal_alloc_virt_interface(handle, handle->priv_num, name_assign_type, MLAN_BSS_TYPE_WIFIDIRECT, name); #else new_priv = woal_alloc_virt_interface(handle, handle->priv_num, MLAN_BSS_TYPE_WIFIDIRECT, name); #endif if (!new_priv) { PRINTM(MERROR, "Add virtual interface fail."); LEAVE(); return -EFAULT; } handle->priv_num++; wdev = (struct wireless_dev *)&new_priv->w_dev; memset(wdev, 0, sizeof(struct wireless_dev)); ndev = new_priv->netdev; SET_NETDEV_DEV(ndev, wiphy_dev(wiphy)); ndev->ieee80211_ptr = wdev; wdev->iftype = type; wdev->wiphy = wiphy; new_priv->wdev = wdev; new_priv->bss_virtual = MTRUE; new_priv->pa_netdev = priv->netdev; woal_init_sta_dev(ndev, new_priv); /* Initialize priv structure */ woal_init_priv(new_priv, MOAL_IOCTL_WAIT); /** Init to GO/CLIENT mode */ if (type == NL80211_IFTYPE_P2P_CLIENT) woal_cfg80211_init_p2p_client(new_priv); else if (type == NL80211_IFTYPE_P2P_GO) woal_cfg80211_init_p2p_go(new_priv); ret = register_netdevice(ndev); if (ret) { handle->priv[new_priv->bss_index] = NULL; handle->priv_num--; if (ndev->reg_state == NETREG_REGISTERED) { unregister_netdevice(ndev); free_netdev(ndev); ndev = NULL; } PRINTM(MFATAL, "register net_device failed, ret=%d\n", ret); goto done; } netif_carrier_off(ndev); woal_stop_queue(ndev); if (new_dev) *new_dev = ndev; #ifdef CONFIG_PROC_FS woal_create_proc_entry(new_priv); #ifdef PROC_DEBUG woal_debug_entry(new_priv); #endif /* PROC_DEBUG */ #endif /* CONFIG_PROC_FS */ done: LEAVE(); return ret; } /** * @brief Notify mlan BSS will be removed. * * @param priv A pointer to moal_private structure * * @return MLAN_STATUS_SUCCESS/MLAN_STATUS_PENDING -- success, otherwise fail */ mlan_status woal_bss_remove(moal_private *priv) { mlan_ioctl_req *req = NULL; mlan_ds_bss *bss = NULL; mlan_status status; ENTER(); /* Allocate an IOCTL request buffer */ req = (mlan_ioctl_req *)woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_bss)); if (req == NULL) { status = MLAN_STATUS_FAILURE; goto done; } /* Fill request buffer */ bss = (mlan_ds_bss *)req->pbuf; bss->sub_command = MLAN_OID_BSS_REMOVE; req->req_id = MLAN_IOCTL_BSS; req->action = MLAN_ACT_SET; /* Send IOCTL request to MLAN */ status = woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT); done: if (status != MLAN_STATUS_PENDING) kfree(req); LEAVE(); return status; } /** * @brief This function removes an virtual interface. * * @param wiphy A pointer to the wiphy structure * @param dev A pointer to the net_device structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_del_virt_if(struct wiphy *wiphy, struct net_device *dev) { int ret = 0; int i = 0; moal_private *priv = NULL; moal_private *vir_priv = NULL; moal_private *remain_priv = NULL; moal_handle *handle = (moal_handle *)woal_get_wiphy_priv(wiphy); for (i = 0; i < handle->priv_num; i++) { vir_priv = handle->priv[i]; if (vir_priv) { if (vir_priv->netdev == dev) { PRINTM(MMSG, "Del virtual interface %s, index=%d\n", dev->name, i); break; } } } priv = (moal_private *)woal_get_priv_bss_type(handle, MLAN_BSS_TYPE_WIFIDIRECT); if (!priv) return ret; if (vir_priv && vir_priv->netdev == dev) { woal_stop_queue(dev); netif_carrier_off(dev); netif_device_detach(dev); if (handle->is_remain_timer_set) { woal_cancel_timer(&handle->remain_timer); woal_remain_timer_func(handle); } /*** cancel pending scan */ woal_cancel_scan(vir_priv, MOAL_IOCTL_WAIT); woal_flush_tx_stat_queue(vir_priv); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) /* cancel previous remain on channel to avoid firmware hang */ if (priv->phandle->remain_on_channel) { t_u8 channel_status; remain_priv = priv->phandle->priv[priv->phandle-> remain_bss_index]; if (remain_priv) { if (woal_cfg80211_remain_on_channel_cfg (remain_priv, MOAL_IOCTL_WAIT, MTRUE, &channel_status, NULL, 0, 0)) PRINTM(MERROR, "del_virt_if: Fail to cancel remain on channel\n"); if (priv->phandle->cookie) { cfg80211_remain_on_channel_expired( #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 6, 0) remain_priv-> netdev, #else remain_priv-> wdev, #endif priv-> phandle-> cookie, &priv-> phandle-> chan, #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 8, 0) priv-> phandle-> channel_type, #endif GFP_ATOMIC); priv->phandle->cookie = 0; } priv->phandle->remain_on_channel = MFALSE; } } #endif woal_clear_all_mgmt_ies(vir_priv, MOAL_IOCTL_WAIT); woal_cfg80211_deinit_p2p(vir_priv); woal_bss_remove(vir_priv); #ifdef CONFIG_PROC_FS #ifdef PROC_DEBUG /* Remove proc debug */ woal_debug_remove(vir_priv); #endif /* PROC_DEBUG */ woal_proc_remove(vir_priv); #endif /* CONFIG_PROC_FS */ /* Last reference is our one */ #if CFG80211_VERSION_CODE < KERNEL_VERSION(2, 6, 37) PRINTM(MINFO, "refcnt = %d\n", atomic_read(&dev->refcnt)); #else PRINTM(MINFO, "refcnt = %d\n", netdev_refcnt_read(dev)); #endif PRINTM(MINFO, "netdev_finish_unregister: %s\n", dev->name); /* Clear the priv in handle */ vir_priv->phandle->priv[vir_priv->bss_index] = NULL; priv->phandle->priv_num--; if (dev->reg_state == NETREG_REGISTERED) unregister_netdevice(dev); } return ret; } #endif #endif /** * @brief This function removes an virtual interface. * * @param handle A pointer to the moal_handle structure * * @return N/A */ void woal_remove_virtual_interface(moal_handle *handle) { #ifdef WIFI_DIRECT_SUPPORT moal_private *priv = NULL; int vir_intf = 0; int i = 0; #endif ENTER(); rtnl_lock(); #ifdef WIFI_DIRECT_SUPPORT for (i = 0; i < handle->priv_num; i++) { priv = handle->priv[i]; if (priv) { if (priv->bss_virtual) { PRINTM(MCMND, "Remove virtual interface %s\n", priv->netdev->name); #ifdef CONFIG_PROC_FS #ifdef PROC_DEBUG /* Remove proc debug */ woal_debug_remove(priv); #endif /* PROC_DEBUG */ woal_proc_remove(priv); #endif /* CONFIG_PROC_FS */ netif_device_detach(priv->netdev); if (priv->netdev->reg_state == NETREG_REGISTERED) unregister_netdevice(priv->netdev); handle->priv[i] = NULL; vir_intf++; } } } #endif if (handle->mon_if) { netif_device_detach(handle->mon_if->mon_ndev); if (handle->mon_if->mon_ndev->reg_state == NETREG_REGISTERED) unregister_netdevice(handle->mon_if->mon_ndev); handle->mon_if = NULL; } rtnl_unlock(); #ifdef WIFI_DIRECT_SUPPORT handle->priv_num -= vir_intf; #endif LEAVE(); } /** * @brief This function check if uap interface is ready * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * * @return MTRUE/MFALSE; */ static t_u8 woal_uap_interface_ready(struct wiphy *wiphy, char *name, struct net_device **new_dev) { moal_handle *handle = (moal_handle *)woal_get_wiphy_priv(wiphy); moal_private *priv = NULL; int i; for (i = 0; i < handle->priv_num; i++) { priv = handle->priv[i]; if (priv && (priv->bss_type == MLAN_BSS_TYPE_UAP) && !strcmp(priv->netdev->name, name)) { priv->wdev->iftype = NL80211_IFTYPE_AP; *new_dev = priv->netdev; break; } } if (priv && *new_dev) return MTRUE; else return MFALSE; } #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 6, 0) #if CFG80211_VERSION_CODE > KERNEL_VERSION(2, 6, 37) /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * * @return A pointer to net_device -- success, otherwise null */ struct net_device * woal_cfg80211_add_virtual_intf(struct wiphy *wiphy, char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params) #else /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_add_virtual_intf(struct wiphy *wiphy, char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params) #endif #else #if CFG80211_VERSION_CODE < KERNEL_VERSION(4, 1, 0) /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * * @return A pointer to wireless_dev -- success, otherwise null */ struct wireless_dev * woal_cfg80211_add_virtual_intf(struct wiphy *wiphy, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) const #endif char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params) #else /** * @brief Request the driver to add a virtual interface * * @param wiphy A pointer to wiphy structure * @param name Virtual interface name * @param name_assign_type Interface name assignment type * @param type Virtual interface type * @param flags Flags for the virtual interface * @param params A pointer to vif_params structure * * @return A pointer to wireless_dev -- success, otherwise null */ struct wireless_dev * woal_cfg80211_add_virtual_intf(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, #if CFG80211_VERSION_CODE < KERNEL_VERSION(4, 12, 0) u32 *flags, #endif struct vif_params *params) #endif #endif { struct net_device *ndev = NULL; int ret = 0; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) u32 *flags = ¶ms->flags; #endif ENTER(); PRINTM(MIOCTL, "add virtual intf: %d name: %s\n", type, name); switch (type) { case NL80211_IFTYPE_MONITOR: #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) ret = woal_cfg80211_add_mon_if(wiphy, name, name_assign_type, flags, params, &ndev); #else ret = woal_cfg80211_add_mon_if(wiphy, name, flags, params, &ndev); #endif break; #if defined(WIFI_DIRECT_SUPPORT) #if CFG80211_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) ret = woal_cfg80211_add_virt_if(wiphy, name, name_assign_type, type, flags, params, &ndev); #else ret = woal_cfg80211_add_virt_if(wiphy, name, type, flags, params, &ndev); #endif break; #endif #endif case NL80211_IFTYPE_AP: if (!woal_uap_interface_ready(wiphy, (char *)name, &ndev)) { PRINTM(MMSG, "Not support dynamically create %s UAP interface\n", name); ret = -EFAULT; } break; default: PRINTM(MWARN, "Not supported if type: %d\n", type); ret = -EFAULT; break; } LEAVE(); #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 6, 0) #if CFG80211_VERSION_CODE > KERNEL_VERSION(2, 6, 37) if (ret) return ERR_PTR(ret); else return ndev; #else return ret; #endif #else if (ret) return ERR_PTR(ret); else return ndev->ieee80211_ptr; #endif } #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 6, 0) /** * @brief Request the driver to del a virtual interface * * @param wiphy A pointer to wiphy structure * @param dev The pointer to net_device * * @return 0 -- success, otherwise fail */ int woal_cfg80211_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) #else /** * @brief Request the driver to del a virtual interface * * @param wiphy A pointer to wiphy structure * @param wdev The pointer to wireless_dev * * @return 0 -- success, otherwise fail */ int woal_cfg80211_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) #endif { int ret = 0; moal_handle *handle = (moal_handle *)woal_get_wiphy_priv(wiphy); int i; moal_private *vir_priv = NULL; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) struct net_device *dev = wdev->netdev; #endif ENTER(); PRINTM(MIOCTL, "del virtual intf %s\n", dev->name); ASSERT_RTNL(); if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_MONITOR) { if ((handle->mon_if) && (handle->mon_if->mon_ndev == dev)) { #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) if (MLAN_STATUS_SUCCESS != woal_set_net_monitor(handle->mon_if->priv, MOAL_IOCTL_WAIT, MFALSE, 0, NULL)) { PRINTM(MERROR, "%s: woal_set_net_monitor fail\n", __func__); ret = -EFAULT; } #endif handle->mon_if = NULL; } unregister_netdevice(dev); LEAVE(); return ret; } if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) { for (i = 0; i < handle->priv_num; i++) { vir_priv = handle->priv[i]; if (vir_priv) { if (vir_priv->netdev == dev) { PRINTM(MMSG, "Del virtual interface %s, index=%d\n", dev->name, i); break; } } } if (vir_priv && vir_priv->bss_type == MLAN_BSS_TYPE_UAP) { woal_cfg80211_del_beacon(wiphy, dev); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) vir_priv->wdev->beacon_interval = 0; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) memset(&vir_priv->wdev->chandef, 0, sizeof(vir_priv->wdev->chandef)); #endif #endif vir_priv->wdev->ssid_len = 0; PRINTM(MMSG, "Skip del UAP virtual interface %s", dev->name); } LEAVE(); return ret; } #if defined(WIFI_DIRECT_SUPPORT) #if CFG80211_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION ret = woal_cfg80211_del_virt_if(wiphy, dev); #endif #endif LEAVE(); return ret; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) /** * @brief initialize AP or GO parameters * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to cfg80211_ap_settings structure * @return 0 -- success, otherwise fail */ int woal_cfg80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *params) #else /** * @brief initialize AP or GO parameters * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to beacon_parameters structure * @return 0 -- success, otherwise fail */ int woal_cfg80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *params) #endif { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); int ret = 0; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) t_u8 wait_option = MOAL_IOCTL_WAIT; #endif ENTER(); PRINTM(MMSG, "wlan: Starting AP\n"); #ifdef STA_CFG80211 /*** cancel pending scan */ woal_cancel_scan(priv, MOAL_IOCTL_WAIT); #endif if (!params) { LEAVE(); return -EFAULT; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) priv->channel = ieee80211_frequency_to_channel(params->chandef.chan-> center_freq); #else priv->channel = ieee80211_frequency_to_channel(params->channel->center_freq); #endif #endif /* bss config */ if (MLAN_STATUS_SUCCESS != woal_cfg80211_beacon_config(priv, params)) { ret = -EFAULT; goto done; } /* set mgmt frame ies */ ret = woal_cfg80211_mgmt_frame_ie(priv, #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 2, 0) params->tail, params->tail_len, NULL, 0, NULL, 0, NULL, 0, MGMT_MASK_BEACON #else #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) params->beacon.tail, params->beacon.tail_len, params->beacon.proberesp_ies, params->beacon.proberesp_ies_len, params->beacon.assocresp_ies, params->beacon.assocresp_ies_len, #else params->tail, params->tail_len, params->proberesp_ies, params->proberesp_ies_len, params->assocresp_ies, params->assocresp_ies_len, #endif NULL, 0, MGMT_MASK_BEACON | MGMT_MASK_PROBE_RESP | MGMT_MASK_ASSOC_RESP #endif , MOAL_IOCTL_WAIT); if (ret) goto done; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) if (params->beacon.beacon_ies && params->beacon.beacon_ies_len) { ret = woal_cfg80211_mgmt_frame_ie(priv, params->beacon.beacon_ies, params->beacon.beacon_ies_len, NULL, 0, NULL, 0, NULL, 0, MGMT_MASK_BEACON_WPS_P2P, MOAL_IOCTL_WAIT); if (ret) { PRINTM(MERROR, "Failed to set beacon wps/p2p ie\n"); goto done; } } #else if (params->beacon_ies && params->beacon_ies_len) { ret = woal_cfg80211_mgmt_frame_ie(priv, params->beacon_ies, params->beacon_ies_len, NULL, 0, NULL, 0, NULL, 0, MGMT_MASK_BEACON_WPS_P2P, MOAL_IOCTL_WAIT); if (ret) { PRINTM(MERROR, "Failed to set beacon wps/p2p ie\n"); goto done; } } #endif #endif priv->uap_host_based = MTRUE; /* if the bss is stopped, then start it */ if (priv->bss_started == MFALSE) { #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) if (dfs_offload) wait_option = MOAL_NO_WAIT; #endif if (MLAN_STATUS_SUCCESS != woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_START)) { priv->uap_host_based = MFALSE; ret = -EFAULT; goto done; } } PRINTM(MMSG, "wlan: AP started\n"); done: LEAVE(); return ret; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) /** * @brief set AP or GO parameter * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to cfg80211_beacon_data structure * @return 0 -- success, otherwise fail */ int woal_cfg80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *params) #else /** * @brief set AP or GO parameter * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to beacon_parameters structure * @return 0 -- success, otherwise fail */ int woal_cfg80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *params) #endif { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); int ret = 0; ENTER(); PRINTM(MIOCTL, "set beacon\n"); if (params != NULL) { #if CFG80211_VERSION_CODE < KERNEL_VERSION(3, 2, 0) if (params->tail && params->tail_len) { ret = woal_cfg80211_mgmt_frame_ie(priv, params->tail, params->tail_len, NULL, 0, NULL, 0, NULL, 0, MGMT_MASK_BEACON, MOAL_IOCTL_WAIT); if (ret) goto done; } #else t_u16 mask = 0; if (params->tail && params->tail_len) mask |= MGMT_MASK_BEACON; if (params->proberesp_ies && params->proberesp_ies_len) mask |= MGMT_MASK_PROBE_RESP; if (params->assocresp_ies && params->assocresp_ies_len) mask |= MGMT_MASK_ASSOC_RESP; PRINTM(MIOCTL, "Set beacon: mask=0x%x\n", mask); if (mask) { ret = woal_cfg80211_mgmt_frame_ie(priv, params->tail, params->tail_len, params->proberesp_ies, params-> proberesp_ies_len, params->assocresp_ies, params-> assocresp_ies_len, NULL, 0, mask, MOAL_IOCTL_WAIT); if (ret) goto done; } if (params->beacon_ies && params->beacon_ies_len) { ret = woal_cfg80211_mgmt_frame_ie(priv, params->beacon_ies, params-> beacon_ies_len, NULL, 0, NULL, 0, NULL, 0, MGMT_MASK_BEACON_WPS_P2P, MOAL_IOCTL_WAIT); if (ret) { PRINTM(MERROR, "Failed to set beacon wps/p2p ie\n"); goto done; } } #endif } done: LEAVE(); return ret; } /** * @brief reset AP or GO parameters * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); int ret = 0; #ifdef STA_SUPPORT moal_private *pmpriv = NULL; #endif ENTER(); priv->phandle->driver_state = woal_check_driver_status(priv->phandle); if (priv->phandle->driver_state) { PRINTM(MERROR, "Block woal_cfg80211_del_beacon in abnormal driver state\n"); LEAVE(); return -EFAULT; } priv->uap_host_based = MFALSE; PRINTM(MMSG, "wlan: Stoping AP\n"); #ifdef STA_SUPPORT woal_cancel_scan(priv, MOAL_IOCTL_WAIT); #endif memset(priv->dscp_map, 0xFF, sizeof(priv->dscp_map)); woal_deauth_all_station(priv); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) if (dfs_offload) woal_cancel_cac_block(priv); #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) memset(&priv->chan, 0, sizeof(struct cfg80211_chan_def)); if (priv->phandle->is_cac_timer_set && priv->bss_index == priv->phandle->cac_bss_index) { woal_cancel_timer(&priv->phandle->cac_timer); priv->phandle->is_cac_timer_set = MFALSE; /* Make sure Chan Report is cancelled */ woal_11h_cancel_chan_report_ioctl(priv, MOAL_IOCTL_WAIT); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) cfg80211_cac_event(priv->netdev, &priv->phandle->dfs_channel, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #else cfg80211_cac_event(priv->netdev, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #endif memset(&priv->phandle->dfs_channel, 0, sizeof(struct cfg80211_chan_def)); priv->phandle->cac_bss_index = 0xff; } if (priv->csa_workqueue) flush_workqueue(priv->csa_workqueue); #endif /* if the bss is still running, then stop it */ if (priv->bss_started == MTRUE) { if (MLAN_STATUS_SUCCESS != woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_STOP)) { ret = -EFAULT; goto done; } if (MLAN_STATUS_SUCCESS != woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_RESET)) { ret = -EFAULT; goto done; } /* Set WLAN MAC addresses */ if (MLAN_STATUS_SUCCESS != woal_request_set_mac_address(priv)) { PRINTM(MERROR, "Set MAC address failed\n"); ret = -EFAULT; goto done; } } woal_clear_all_mgmt_ies(priv, MOAL_IOCTL_WAIT); #ifdef STA_SUPPORT if (!woal_is_any_interface_active(priv->phandle)) { pmpriv = woal_get_priv((moal_handle *)priv->phandle, MLAN_BSS_ROLE_STA); if (pmpriv) woal_set_scan_time(pmpriv, ACTIVE_SCAN_CHAN_TIME, PASSIVE_SCAN_CHAN_TIME, SPECIFIC_SCAN_CHAN_TIME); } #endif priv->cipher = 0; memset(priv->uap_wep_key, 0, sizeof(priv->uap_wep_key)); priv->channel = 0; PRINTM(MMSG, "wlan: AP stopped\n"); done: LEAVE(); return ret; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) /** * @brief change BSS * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to bss_parameters structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { int ret = 0; t_u8 change = MFALSE; mlan_uap_bss_param *sys_config = NULL; u8 bss_started = MFALSE; t_u8 pkt_forward_ctl; moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); ENTER(); PRINTM(MIOCTL, "isolate=%d\n", params->ap_isolate); sys_config = kzalloc(sizeof(mlan_uap_bss_param), GFP_ATOMIC); if (!sys_config) { PRINTM(MERROR, "Fail to alloc memory for mlan_uap_bss_param\n"); LEAVE(); return -EFAULT; } if (MLAN_STATUS_SUCCESS != woal_set_get_sys_config(priv, MLAN_ACT_GET, MOAL_IOCTL_WAIT, sys_config)) { PRINTM(MERROR, "Error getting AP confiruration\n"); ret = -EFAULT; goto done; } pkt_forward_ctl = sys_config->pkt_forward_ctl; if (params->ap_isolate) { /** disable packet forwarding */ sys_config->pkt_forward_ctl |= PKT_FWD_INTRA_BCAST; sys_config->pkt_forward_ctl |= PKT_FWD_INTRA_UCAST; } else { sys_config->pkt_forward_ctl &= ~PKT_FWD_INTRA_BCAST; sys_config->pkt_forward_ctl &= ~PKT_FWD_INTRA_UCAST; } if (pkt_forward_ctl != sys_config->pkt_forward_ctl) { change = MTRUE; PRINTM(MIOCTL, "ap_isolate=%xd\n", params->ap_isolate); } if (change) { if (priv->bss_started == MTRUE) { bss_started = MTRUE; woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_STOP); } if (params->use_short_preamble == 1) sys_config->preamble_type = 1; else if (params->use_short_preamble == 0) sys_config->preamble_type = 2; else sys_config->preamble_type = 0; if (MLAN_STATUS_SUCCESS == woal_set_get_sys_config(priv, MLAN_ACT_SET, MOAL_IOCTL_WAIT, sys_config)) ret = 0; if (bss_started) woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_START); } done: kfree(sys_config); LEAVE(); return ret; } #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) /** * @brief del station * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param param A pointer tostation_del_parameters structure * * @return 0 -- success, otherwise fail */ #else /** * @brief del station * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param mac_addr A pointer to station mac address * * @return 0 -- success, otherwise fail */ #endif int woal_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) struct station_del_parameters *param) #else #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 16, 0) const u8 *mac_addr) #else u8 *mac_addr) #endif #endif { #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) const u8 *mac_addr = NULL; #endif u16 reason_code = REASON_CODE_DEAUTH_LEAVING; moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); ENTER(); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) if (priv->phandle->is_cac_timer_set && priv->bss_index == priv->phandle->cac_bss_index) { woal_cancel_timer(&priv->phandle->cac_timer); priv->phandle->is_cac_timer_set = MFALSE; /* Make sure Chan Report is cancelled */ woal_11h_cancel_chan_report_ioctl(priv, MOAL_IOCTL_WAIT); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) cfg80211_cac_event(priv->netdev, &priv->phandle->dfs_channel, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #else cfg80211_cac_event(priv->netdev, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #endif memset(&priv->phandle->dfs_channel, 0, sizeof(struct cfg80211_chan_def)); priv->phandle->cac_bss_index = 0xff; } #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) if (dfs_offload) woal_cancel_cac_block(priv); #endif if (priv->media_connected == MFALSE) { PRINTM(MINFO, "cfg80211: Media not connected!\n"); LEAVE(); return 0; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) if (param) { mac_addr = param->mac; reason_code = param->reason_code; } #endif /** we will not send deauth to p2p interface, it might cause WPS failure */ if (mac_addr) { PRINTM(MMSG, "wlan: deauth station " MACSTR "\n", MAC2STR(mac_addr)); #ifdef WIFI_DIRECT_SUPPORT if (!priv->phandle->is_go_timer_set || priv->bss_type != MLAN_BSS_TYPE_WIFIDIRECT) #endif woal_deauth_station(priv, (u8 *)mac_addr, reason_code); } else { PRINTM(MIOCTL, "del all station\n"); } LEAVE(); return 0; } /** * @brief Get station info * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param mac A pointer to station mac address * @param stainfo A pointer to station_info structure * * @return 0 -- success, otherwise fail */ int woal_uap_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 16, 0) const u8 *mac, #else u8 *mac, #endif struct station_info *stainfo) { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); int ret = -EFAULT; int i = 0; mlan_ds_get_info *info = NULL; mlan_ioctl_req *ioctl_req = NULL; mlan_status status = MLAN_STATUS_SUCCESS; ENTER(); if (priv->media_connected == MFALSE) { PRINTM(MINFO, "cfg80211: Media not connected!\n"); LEAVE(); return -ENOENT; } /* Allocate an IOCTL request buffer */ ioctl_req = (mlan_ioctl_req *) woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_get_info)); if (ioctl_req == NULL) { ret = -ENOMEM; goto done; } info = (mlan_ds_get_info *)ioctl_req->pbuf; info->sub_command = MLAN_OID_UAP_STA_LIST; ioctl_req->req_id = MLAN_IOCTL_GET_INFO; ioctl_req->action = MLAN_ACT_GET; status = woal_request_ioctl(priv, ioctl_req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_SUCCESS) goto done; for (i = 0; i < info->param.sta_list.sta_count; i++) { if (!memcmp (info->param.sta_list.info[i].mac_address, mac, ETH_ALEN)) { PRINTM(MIOCTL, "Get station: " MACSTR " RSSI=%d\n", MAC2STR(mac), (int)info->param.sta_list.info[i].rssi); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) stainfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME) | BIT(NL80211_STA_INFO_SIGNAL); #else stainfo->filled = STATION_INFO_INACTIVE_TIME | STATION_INFO_SIGNAL; #endif stainfo->inactive_time = 0; stainfo->signal = info->param.sta_list.info[i].rssi; ret = 0; break; } } done: if (status != MLAN_STATUS_PENDING) kfree(ioctl_req); LEAVE(); return ret; } /** * @brief Request the driver to dump the station information * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param idx Station index * @param mac MAC address of the station * @param sinfo A pointer to station_info structure * * @return 0 -- success, otherwise fail */ int woal_uap_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, t_u8 *mac, struct station_info *sinfo) { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); int ret = -EFAULT; mlan_ds_get_info *info = NULL; mlan_ioctl_req *ioctl_req = NULL; mlan_status status = MLAN_STATUS_SUCCESS; t_u32 sec = 0, usec = 0; t_u64 cur_msec = 0; ENTER(); if (priv->media_connected == MFALSE) { PRINTM(MINFO, "cfg80211: Media not connected!\n"); LEAVE(); return -ENOENT; } /* Allocate an IOCTL request buffer */ ioctl_req = (mlan_ioctl_req *) woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_get_info)); if (ioctl_req == NULL) { ret = -ENOMEM; goto done; } info = (mlan_ds_get_info *)ioctl_req->pbuf; info->sub_command = MLAN_OID_UAP_STA_LIST; ioctl_req->req_id = MLAN_IOCTL_GET_INFO; ioctl_req->action = MLAN_ACT_GET; status = woal_request_ioctl(priv, ioctl_req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_SUCCESS) goto done; if (idx >= info->param.sta_list.sta_count) { ret = -EFAULT; goto done; } ret = 0; memcpy(mac, info->param.sta_list.info[idx].mac_address, ETH_ALEN); PRINTM(MIOCTL, "Dump station: " MACSTR " RSSI=%d\n", MAC2STR(mac), (int)info->param.sta_list.info[idx].rssi); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME) | BIT(NL80211_STA_INFO_SIGNAL); #else sinfo->filled = STATION_INFO_INACTIVE_TIME | STATION_INFO_SIGNAL; #endif if (info->param.sta_list.info[idx].stats.last_rx_in_msec) { moal_get_system_time(priv->phandle, &sec, &usec); cur_msec = (t_u64)sec *1000 + (t_u64)usec / 1000; sinfo->inactive_time = (t_u32)(cur_msec - info->param.sta_list.info[idx].stats. last_rx_in_msec); PRINTM(MIOCTL, "cur:%llu - [%d].last_rx:%llu = inactive_time:%d\n", cur_msec, idx, info->param.sta_list.info[idx].stats.last_rx_in_msec, sinfo->inactive_time); } else sinfo->inactive_time = 0; sinfo->signal = info->param.sta_list.info[idx].rssi; done: if (status != MLAN_STATUS_PENDING) kfree(ioctl_req); LEAVE(); return ret; } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) /** * @brief set mac filter * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to cfg80211_acl_data structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *dev, const struct cfg80211_acl_data *params) { int ret = -EFAULT; mlan_uap_bss_param *sys_config = NULL; moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); u8 bss_started = MFALSE; ENTER(); PRINTM(MIOCTL, "Set mac acl, entries=%d, policy=%d\n", params->n_acl_entries, params->acl_policy); sys_config = kzalloc(sizeof(mlan_uap_bss_param), GFP_ATOMIC); if (!sys_config) { PRINTM(MERROR, "Fail to alloc memory for mlan_uap_bss_param\n"); LEAVE(); return -EFAULT; } /* Initialize the uap bss values which are uploaded from firmware */ if (MLAN_STATUS_SUCCESS != woal_set_get_sys_config(priv, MLAN_ACT_GET, MOAL_IOCTL_WAIT, sys_config)) { PRINTM(MERROR, "Error getting AP confiruration\n"); ret = -EFAULT; goto done; } memset(&sys_config->filter, 0, sizeof(mac_filter)); if (params->n_acl_entries <= MAX_MAC_FILTER_NUM) sys_config->filter.mac_count = params->n_acl_entries; else sys_config->filter.mac_count = MAX_MAC_FILTER_NUM; if (params->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED) sys_config->filter.filter_mode = MAC_FILTER_MODE_ALLOW_MAC; else if (params->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) sys_config->filter.filter_mode = MAC_FILTER_MODE_BLOCK_MAC; memcpy(sys_config->filter.mac_list, params->mac_addrs, sys_config->filter.mac_count * sizeof(mlan_802_11_mac_addr)); if (priv->bss_started == MTRUE) { bss_started = MTRUE; woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_STOP); } if (MLAN_STATUS_SUCCESS == woal_set_get_sys_config(priv, MLAN_ACT_SET, MOAL_IOCTL_WAIT, sys_config)) ret = 0; done: kfree(sys_config); if (bss_started) woal_uap_bss_ctrl(priv, MOAL_IOCTL_WAIT, UAP_BSS_START); LEAVE(); return ret; } #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) /** * @brief Set txq parameters * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to ieee80211_txq_params structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_set_txq_params(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_txq_params *params) { int ret = 0; u8 ac = 0; wmm_parameter_t ap_wmm_para; moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); ENTER(); /* AC_BE: 0, AC_BK:1, AC_VI: 2, AC_VO:3 */ #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 5, 0) switch (params->ac) { case NL80211_AC_VO: ac = 3; break; case NL80211_AC_VI: ac = 2; break; case NL80211_AC_BK: ac = 1; break; case NL80211_AC_BE: ac = 0; break; default: break; } #else switch (params->queue) { case NL80211_TXQ_Q_VO: ac = 3; break; case NL80211_TXQ_Q_VI: ac = 2; break; case NL80211_TXQ_Q_BK: ac = 1; break; case NL80211_TXQ_Q_BE: ac = 0; break; default: break; } #endif PRINTM(MMSG, "Set AC=%d, txop=%d cwmin=%d, cwmax=%d aifs=%d\n", ac, params->txop, params->cwmin, params->cwmax, params->aifs); memset(&ap_wmm_para, 0, sizeof(wmm_parameter_t)); if (MLAN_STATUS_SUCCESS != woal_set_get_ap_wmm_para(priv, MLAN_ACT_GET, &ap_wmm_para)) { PRINTM(MERROR, "wlan: We don't support AP WMM parameter\n"); LEAVE(); return ret; } ap_wmm_para.ac_params[ac].aci_aifsn.aifsn = params->aifs; ap_wmm_para.ac_params[ac].ecw.ecw_max = ilog2(params->cwmax + 1); ap_wmm_para.ac_params[ac].ecw.ecw_min = ilog2(params->cwmin + 1); ap_wmm_para.ac_params[ac].tx_op_limit = params->txop; if (MLAN_STATUS_SUCCESS != woal_set_get_ap_wmm_para(priv, MLAN_ACT_SET, &ap_wmm_para)) { PRINTM(MERROR, "wlan: Fail to set AP WMM parameter\n"); ret = -EFAULT; } LEAVE(); return ret; } #endif #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 12, 0) /** * @brief cac timer call back function. * * @param context a pointer to moal_handle * * @return N/A */ void woal_cac_timer_func(void *context) { moal_handle *handle = (moal_handle *)context; moal_private *priv = handle->priv[handle->cac_bss_index]; PRINTM(MEVENT, "cac_timer fired.\n"); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) cfg80211_cac_event(priv->netdev, &handle->dfs_channel, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #else cfg80211_cac_event(priv->netdev, NL80211_RADAR_CAC_ABORTED, GFP_KERNEL); #endif handle->is_cac_timer_set = MFALSE; memset(&handle->dfs_channel, 0, sizeof(struct cfg80211_chan_def)); handle->cac_bss_index = 0xff; } /** * @brief This function switch AP's channel * 1. clear mgmt IEs 2. stop uAP * 3. set beacon after 4. set new channel * 5. start uAP 6. notify cfg80211 * * @param priv a pointer to moal_private * @param wait_option wait option * * @return N/A */ void woal_switch_uap_channel(moal_private *priv, t_u8 wait_option) { chan_band_info uap_channel; t_u8 chan2Offset = SEC_CHAN_NONE; ENTER(); woal_clear_all_mgmt_ies(priv, MOAL_IOCTL_WAIT); if (MLAN_STATUS_SUCCESS != woal_uap_bss_ctrl(priv, wait_option, UAP_BSS_STOP)) { PRINTM(MERROR, "%s: stop uap failed \n", __func__); goto done; } if (woal_cfg80211_set_beacon(priv->wdev->wiphy, priv->netdev, &priv->beacon_after)) { PRINTM(MERROR, "%s: set mgmt ies failed \n", __func__); goto done; } uap_channel.channel = ieee80211_frequency_to_channel(priv->csa_chan.chan-> center_freq); switch (priv->csa_chan.width) { case NL80211_CHAN_WIDTH_5: case NL80211_CHAN_WIDTH_10: case NL80211_CHAN_WIDTH_20_NOHT: break; case NL80211_CHAN_WIDTH_20: break; case NL80211_CHAN_WIDTH_40: if (priv->csa_chan.center_freq1 < priv->csa_chan.chan->center_freq) chan2Offset = SEC_CHAN_BELOW; else chan2Offset = SEC_CHAN_ABOVE; break; case NL80211_CHAN_WIDTH_80: case NL80211_CHAN_WIDTH_80P80: case NL80211_CHAN_WIDTH_160: chan2Offset = woal_get_second_channel_offset(uap_channel.channel); break; default: PRINTM(MWARN, "Unknown channel width: %d\n", priv->csa_chan.width); break; } if (priv->csa_chan.chan->band == IEEE80211_BAND_2GHZ) uap_channel.bandcfg.chanBand = BAND_2GHZ; else if (priv->csa_chan.chan->band == IEEE80211_BAND_5GHZ) uap_channel.bandcfg.chanBand = BAND_5GHZ; uap_channel.bandcfg.chan2Offset = chan2Offset; if (MLAN_STATUS_SUCCESS != woal_set_get_ap_channel(priv, MLAN_ACT_SET, wait_option, &uap_channel)) { PRINTM(MERROR, "Fail to set ap channel \n"); goto done; } if (MLAN_STATUS_SUCCESS != woal_uap_bss_ctrl(priv, wait_option, UAP_BSS_START)) { PRINTM(MERROR, "%s: start uap failed \n", __func__); goto done; } PRINTM(MMSG, "CSA: old chan %d => new chan %d \n", priv->channel, uap_channel.channel); priv->channel = uap_channel.channel; memcpy(&priv->chan, &priv->csa_chan, sizeof(struct cfg80211_chan_def)); cfg80211_ch_switch_notify(priv->netdev, &priv->chan); if (priv->uap_tx_blocked) { if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); woal_start_queue(priv->netdev); priv->uap_tx_blocked = MFALSE; } done: LEAVE(); return; } /** * @brief csa work handler * * @param work a pointer to work_struct * * @return 0 -- success, otherwise fail */ void woal_csa_work_queue(struct work_struct *work) { struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); moal_private *priv = container_of(delayed_work, moal_private, csa_work); ENTER(); if (priv->bss_started == MTRUE) woal_switch_uap_channel(priv, MOAL_IOCTL_WAIT); LEAVE(); } #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) /** * @brief start radar detection * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param chandef A pointer to cfg80211_chan_def structure * @param cac_time_ms A cac dwell time * @return 0 -- success, otherwise fail */ int woal_cfg80211_start_radar_detection(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_chan_def *chandef, u32 cac_time_ms) #else /** * @brief start radar detection * * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param chandef A pointer to cfg80211_chan_def structure * @return 0 -- success, otherwise fail */ int woal_cfg80211_start_radar_detection(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_chan_def *chandef) #endif { moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); moal_handle *handle = priv->phandle; mlan_ioctl_req *req = NULL; mlan_ds_11h_chan_rep_req *pchan_rpt_req = NULL; mlan_ds_11h_cfg *p11h_cfg = NULL; int ret = 0; mlan_status status = MLAN_STATUS_SUCCESS; chan_band_info channel; t_u16 enable = 0; ENTER(); #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) PRINTM(MIOCTL, "start Radar detect, chan %d , Bw %d , Time %d \n", chandef->chan->hw_value, chandef->width, cac_time_ms); #else PRINTM(MIOCTL, "start Radar detect, chan %d , Bw %d \n", chandef->chan->hw_value, chandef->width); #endif if (priv->bss_started == MTRUE) { PRINTM(MERROR, "recv CAC request when bss already started \n"); ret = -EFAULT; goto done; } if (priv->phandle->cac_period || handle->is_cac_timer_set) { PRINTM(MERROR, "Maybe other interface is doing CAC, please defer your oper\n"); ret = -EBUSY; goto done; } ret = woal_mc_policy_cfg(priv, &enable, MOAL_IOCTL_WAIT, MLAN_ACT_GET); if (enable) { if (MLAN_STATUS_SUCCESS == woal_get_active_intf_channel(priv, &channel)) { if (channel.channel != chandef->chan->hw_value) { PRINTM(MERROR, "DFS channel is not allowed when another connection exists on different channel\n"); PRINTM(MERROR, "Another connection's channel=%d, dfs channel=%d\n", channel.channel, chandef->chan->hw_value); ret = -EINVAL; goto done; } } } req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_11h_cfg)); if (NULL == req) { ret = -ENOMEM; goto done; } p11h_cfg = (mlan_ds_11h_cfg *)req->pbuf; pchan_rpt_req = &p11h_cfg->param.chan_rpt_req; pchan_rpt_req->startFreq = START_FREQ_11A_BAND; pchan_rpt_req->chanNum = (t_u8)chandef->chan->hw_value; woal_convert_chan_to_bandconfig(&pchan_rpt_req->bandcfg, chandef); pchan_rpt_req->host_based = MTRUE; #if CFG80211_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) pchan_rpt_req->millisec_dwell_time = cac_time_ms; #else pchan_rpt_req->millisec_dwell_time = IEEE80211_DFS_MIN_CAC_TIME_MS; if ((woal_is_etsi_country(priv->phandle->country_code) == MTRUE)) { if (chandef->chan->hw_value == 120 || chandef->chan->hw_value == 124 || chandef->chan->hw_value == 128) { pchan_rpt_req->millisec_dwell_time = IEEE80211_DFS_MIN_CAC_TIME_MS * 10; } if (chandef->chan->hw_value == 116 && ((chandef->width == NL80211_CHAN_WIDTH_40) || (chandef->width == NL80211_CHAN_WIDTH_80))) { pchan_rpt_req->millisec_dwell_time = IEEE80211_DFS_MIN_CAC_TIME_MS * 10; } } #endif #if defined(DFS_TESTING_SUPPORT) if (priv->user_cac_period_msec) { pchan_rpt_req->millisec_dwell_time = priv->user_cac_period_msec; PRINTM(MCMD_D, "cfg80211 dfstesting: User CAC Period=%d (msec) \n", pchan_rpt_req->millisec_dwell_time); } #endif p11h_cfg->sub_command = MLAN_OID_11H_CHANNEL_CHECK; req->req_id = MLAN_IOCTL_11H_CFG; req->action = MLAN_ACT_SET; /* Send Channel Check command and wait until the report is ready */ status = woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT); if (status != MLAN_STATUS_SUCCESS) { PRINTM(MERROR, "Fail to start radar detection\n"); ret = -EFAULT; } else { memcpy(&handle->dfs_channel, chandef, sizeof(struct cfg80211_chan_def)); handle->cac_bss_index = priv->bss_index; handle->is_cac_timer_set = MTRUE; /* avoid EVENT_CHANNEL_RAPORT_READY missing, add 1s gap */ woal_mod_timer(&handle->cac_timer, pchan_rpt_req->millisec_dwell_time + 1000); } done: if (status != MLAN_STATUS_PENDING) kfree(req); LEAVE(); return ret; } /** * @brief channel switch * @param wiphy A pointer to wiphy structure * @param dev A pointer to net_device structure * @param params A pointer to cfg80211_csa_settings structure * * @return 0 -- success, otherwise fail */ int woal_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params) { int ret = 0; moal_private *priv = (moal_private *)woal_get_netdev_priv(dev); t_u32 chsw_msec; mlan_uap_bss_param *bss_cfg = NULL; ENTER(); if (!params) { ret = -EINVAL; goto done; } /* TODO: support this case in next version */ if (params->radar_required) { PRINTM(MMSG, " hostapd handle this case by disable and re-enable interface\n"); ret = -ENOTSUPP; goto done; } /* actually hostapd would always choose one diff channel */ if (cfg80211_chandef_identical(¶ms->chandef, &priv->chan)) { PRINTM(MMSG, "csa channel is same with current channel, invaild\n"); ret = -EINVAL; goto done; } bss_cfg = kzalloc(sizeof(mlan_uap_bss_param), GFP_ATOMIC); if (!bss_cfg) { PRINTM(MERROR, "Fail to alloc memory for mlan_uap_bss_param\n"); ret = -EFAULT; goto done; } if (params->block_tx) { if (netif_carrier_ok(dev)) netif_carrier_off(dev); woal_stop_queue(dev); priv->uap_tx_blocked = MTRUE; } woal_clear_all_mgmt_ies(priv, MOAL_IOCTL_WAIT); if (woal_cfg80211_set_beacon(wiphy, dev, ¶ms->beacon_csa)) { PRINTM(MERROR, "%s: setting csa mgmt ies failed\n", __func__); goto done; } memcpy(&priv->csa_chan, ¶ms->chandef, sizeof(struct cfg80211_chan_def)); memcpy(&priv->beacon_after, ¶ms->beacon_after, sizeof(struct cfg80211_beacon_data)); if (!priv->phandle->fw_ecsa_enable) { if (MLAN_STATUS_SUCCESS != woal_set_get_sys_config(priv, MLAN_ACT_GET, MOAL_IOCTL_WAIT, bss_cfg)) { PRINTM(MERROR, "%s: get uap config failed\n", __func__); ret = -EFAULT; goto done; } chsw_msec = params->count * bss_cfg->beacon_period; queue_delayed_work(priv->csa_workqueue, &priv->csa_work, msecs_to_jiffies(chsw_msec)); } done: kfree(bss_cfg); LEAVE(); return ret; } #endif /** * @brief Register the device with cfg80211 * * @param dev A pointer to net_device structure * @param bss_type BSS type * * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE */ mlan_status woal_register_uap_cfg80211(struct net_device *dev, t_u8 bss_type) { mlan_status ret = MLAN_STATUS_SUCCESS; moal_private *priv = (moal_private *)netdev_priv(dev); struct wireless_dev *wdev = NULL; ENTER(); wdev = (struct wireless_dev *)&priv->w_dev; memset(wdev, 0, sizeof(struct wireless_dev)); wdev->wiphy = priv->phandle->wiphy; if (!wdev->wiphy) { LEAVE(); return MLAN_STATUS_FAILURE; } if (bss_type == MLAN_BSS_TYPE_UAP) wdev->iftype = NL80211_IFTYPE_AP; dev_net_set(dev, wiphy_net(wdev->wiphy)); dev->ieee80211_ptr = wdev; SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy)); priv->wdev = wdev; LEAVE(); return ret; }