/*! * @file wilc_wfi_cfgopertaions.c * @brief CFG80211 Function Implementation functionality * @author aabouzaeid * mabubakr * mdaftedar * zsalah * @sa wilc_wfi_cfgopertaions.h top level OS wrapper file * @date 31 Aug 2010 * @version 1.0 */ #include "wilc_wfi_cfgoperations.h" #ifdef WILC_SDIO #include "linux_wlan_sdio.h" #endif #include #define IS_MANAGMEMENT 0x100 #define IS_MANAGMEMENT_CALLBACK 0x080 #define IS_MGMT_STATUS_SUCCES 0x040 #define GET_PKT_OFFSET(a) (((a) >> 22) & 0x1ff) extern int linux_wlan_get_firmware(perInterface_wlan_t *p_nic); extern int mac_open(struct net_device *ndev); extern int mac_close(struct net_device *ndev); tstrNetworkInfo astrLastScannedNtwrksShadow[MAX_NUM_SCANNED_NETWORKS_SHADOW]; u32 u32LastScannedNtwrksCountShadow; struct timer_list hDuringIpTimer; struct timer_list hAgingTimer; static u8 op_ifcs; extern u8 u8ConnectedSSID[6]; u8 g_wilc_initialized = 1; extern bool g_obtainingIP; #define CHAN2G(_channel, _freq, _flags) { \ .band = IEEE80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } /*Frequency range for channels*/ static struct ieee80211_channel WILC_WFI_2ghz_channels[] = { CHAN2G(1, 2412, 0), CHAN2G(2, 2417, 0), CHAN2G(3, 2422, 0), CHAN2G(4, 2427, 0), CHAN2G(5, 2432, 0), CHAN2G(6, 2437, 0), CHAN2G(7, 2442, 0), CHAN2G(8, 2447, 0), CHAN2G(9, 2452, 0), CHAN2G(10, 2457, 0), CHAN2G(11, 2462, 0), CHAN2G(12, 2467, 0), CHAN2G(13, 2472, 0), CHAN2G(14, 2484, 0), }; #define RATETAB_ENT(_rate, _hw_value, _flags) { \ .bitrate = (_rate), \ .hw_value = (_hw_value), \ .flags = (_flags), \ } /* Table 6 in section 3.2.1.1 */ static struct ieee80211_rate WILC_WFI_rates[] = { RATETAB_ENT(10, 0, 0), RATETAB_ENT(20, 1, 0), RATETAB_ENT(55, 2, 0), RATETAB_ENT(110, 3, 0), RATETAB_ENT(60, 9, 0), RATETAB_ENT(90, 6, 0), RATETAB_ENT(120, 7, 0), RATETAB_ENT(180, 8, 0), RATETAB_ENT(240, 9, 0), RATETAB_ENT(360, 10, 0), RATETAB_ENT(480, 11, 0), RATETAB_ENT(540, 12, 0), }; struct p2p_mgmt_data { int size; u8 *buff; }; /*Global variable used to state the current connected STA channel*/ u8 u8WLANChannel = INVALID_CHANNEL; u8 curr_channel; u8 u8P2P_oui[] = {0x50, 0x6f, 0x9A, 0x09}; u8 u8P2Plocalrandom = 0x01; u8 u8P2Precvrandom = 0x00; u8 u8P2P_vendorspec[] = {0xdd, 0x05, 0x00, 0x08, 0x40, 0x03}; bool bWilc_ie; static struct ieee80211_supported_band WILC_WFI_band_2ghz = { .channels = WILC_WFI_2ghz_channels, .n_channels = ARRAY_SIZE(WILC_WFI_2ghz_channels), .bitrates = WILC_WFI_rates, .n_bitrates = ARRAY_SIZE(WILC_WFI_rates), }; struct add_key_params { u8 key_idx; bool pairwise; u8 *mac_addr; }; struct add_key_params g_add_gtk_key_params; struct wilc_wfi_key g_key_gtk_params; struct add_key_params g_add_ptk_key_params; struct wilc_wfi_key g_key_ptk_params; struct wilc_wfi_wep_key g_key_wep_params; bool g_ptk_keys_saved; bool g_gtk_keys_saved; bool g_wep_keys_saved; #define AGING_TIME (9 * 1000) #define duringIP_TIME 15000 void clear_shadow_scan(void *pUserVoid) { int i; if (op_ifcs == 0) { del_timer_sync(&hAgingTimer); PRINT_INFO(CORECONFIG_DBG, "destroy aging timer\n"); for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { if (astrLastScannedNtwrksShadow[u32LastScannedNtwrksCountShadow].pu8IEs != NULL) { kfree(astrLastScannedNtwrksShadow[i].pu8IEs); astrLastScannedNtwrksShadow[u32LastScannedNtwrksCountShadow].pu8IEs = NULL; } host_int_freeJoinParams(astrLastScannedNtwrksShadow[i].pJoinParams); astrLastScannedNtwrksShadow[i].pJoinParams = NULL; } u32LastScannedNtwrksCountShadow = 0; } } u32 get_rssi_avg(tstrNetworkInfo *pstrNetworkInfo) { u8 i; int rssi_v = 0; u8 num_rssi = (pstrNetworkInfo->strRssi.u8Full) ? NUM_RSSI : (pstrNetworkInfo->strRssi.u8Index); for (i = 0; i < num_rssi; i++) rssi_v += pstrNetworkInfo->strRssi.as8RSSI[i]; rssi_v /= num_rssi; return rssi_v; } void refresh_scan(void *pUserVoid, u8 all, bool bDirectScan) { struct wilc_priv *priv; struct wiphy *wiphy; struct cfg80211_bss *bss = NULL; int i; int rssi = 0; priv = (struct wilc_priv *)pUserVoid; wiphy = priv->dev->ieee80211_ptr->wiphy; for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { tstrNetworkInfo *pstrNetworkInfo; pstrNetworkInfo = &(astrLastScannedNtwrksShadow[i]); if ((!pstrNetworkInfo->u8Found) || all) { s32 s32Freq; struct ieee80211_channel *channel; if (pstrNetworkInfo != NULL) { s32Freq = ieee80211_channel_to_frequency((s32)pstrNetworkInfo->u8channel, IEEE80211_BAND_2GHZ); channel = ieee80211_get_channel(wiphy, s32Freq); rssi = get_rssi_avg(pstrNetworkInfo); if (memcmp("DIRECT-", pstrNetworkInfo->au8ssid, 7) || bDirectScan) { bss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN, pstrNetworkInfo->au8bssid, pstrNetworkInfo->u64Tsf, pstrNetworkInfo->u16CapInfo, pstrNetworkInfo->u16BeaconPeriod, (const u8 *)pstrNetworkInfo->pu8IEs, (size_t)pstrNetworkInfo->u16IEsLen, (((s32)rssi) * 100), GFP_KERNEL); cfg80211_put_bss(wiphy, bss); } } } } } void reset_shadow_found(void *pUserVoid) { int i; for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { astrLastScannedNtwrksShadow[i].u8Found = 0; } } void update_scan_time(void *pUserVoid) { int i; for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan = jiffies; } } static void remove_network_from_shadow(unsigned long arg) { unsigned long now = jiffies; int i, j; for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { if (time_after(now, astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan + (unsigned long)(SCAN_RESULT_EXPIRE))) { PRINT_D(CFG80211_DBG, "Network expired in ScanShadow: %s\n", astrLastScannedNtwrksShadow[i].au8ssid); kfree(astrLastScannedNtwrksShadow[i].pu8IEs); astrLastScannedNtwrksShadow[i].pu8IEs = NULL; host_int_freeJoinParams(astrLastScannedNtwrksShadow[i].pJoinParams); for (j = i; (j < u32LastScannedNtwrksCountShadow - 1); j++) { astrLastScannedNtwrksShadow[j] = astrLastScannedNtwrksShadow[j + 1]; } u32LastScannedNtwrksCountShadow--; } } PRINT_D(CFG80211_DBG, "Number of cached networks: %d\n", u32LastScannedNtwrksCountShadow); if (u32LastScannedNtwrksCountShadow != 0) { hAgingTimer.data = arg; mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME)); } else { PRINT_D(CFG80211_DBG, "No need to restart Aging timer\n"); } } static void clear_duringIP(unsigned long arg) { PRINT_D(GENERIC_DBG, "GO:IP Obtained , enable scan\n"); g_obtainingIP = false; } int is_network_in_shadow(tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid) { int state = -1; int i; if (u32LastScannedNtwrksCountShadow == 0) { PRINT_D(CFG80211_DBG, "Starting Aging timer\n"); hAgingTimer.data = (unsigned long)pUserVoid; mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME)); state = -1; } else { /* Linear search for now */ for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid, pstrNetworkInfo->au8bssid, 6) == 0) { state = i; break; } } } return state; } void add_network_to_shadow(tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid, void *pJoinParams) { int ap_found = is_network_in_shadow(pstrNetworkInfo, pUserVoid); u32 ap_index = 0; u8 rssi_index = 0; if (u32LastScannedNtwrksCountShadow >= MAX_NUM_SCANNED_NETWORKS_SHADOW) { PRINT_D(CFG80211_DBG, "Shadow network reached its maximum limit\n"); return; } if (ap_found == -1) { ap_index = u32LastScannedNtwrksCountShadow; u32LastScannedNtwrksCountShadow++; } else { ap_index = ap_found; } rssi_index = astrLastScannedNtwrksShadow[ap_index].strRssi.u8Index; astrLastScannedNtwrksShadow[ap_index].strRssi.as8RSSI[rssi_index++] = pstrNetworkInfo->s8rssi; if (rssi_index == NUM_RSSI) { rssi_index = 0; astrLastScannedNtwrksShadow[ap_index].strRssi.u8Full = 1; } astrLastScannedNtwrksShadow[ap_index].strRssi.u8Index = rssi_index; astrLastScannedNtwrksShadow[ap_index].s8rssi = pstrNetworkInfo->s8rssi; astrLastScannedNtwrksShadow[ap_index].u16CapInfo = pstrNetworkInfo->u16CapInfo; astrLastScannedNtwrksShadow[ap_index].u8SsidLen = pstrNetworkInfo->u8SsidLen; memcpy(astrLastScannedNtwrksShadow[ap_index].au8ssid, pstrNetworkInfo->au8ssid, pstrNetworkInfo->u8SsidLen); memcpy(astrLastScannedNtwrksShadow[ap_index].au8bssid, pstrNetworkInfo->au8bssid, ETH_ALEN); astrLastScannedNtwrksShadow[ap_index].u16BeaconPeriod = pstrNetworkInfo->u16BeaconPeriod; astrLastScannedNtwrksShadow[ap_index].u8DtimPeriod = pstrNetworkInfo->u8DtimPeriod; astrLastScannedNtwrksShadow[ap_index].u8channel = pstrNetworkInfo->u8channel; astrLastScannedNtwrksShadow[ap_index].u16IEsLen = pstrNetworkInfo->u16IEsLen; astrLastScannedNtwrksShadow[ap_index].u64Tsf = pstrNetworkInfo->u64Tsf; if (ap_found != -1) kfree(astrLastScannedNtwrksShadow[ap_index].pu8IEs); astrLastScannedNtwrksShadow[ap_index].pu8IEs = kmalloc(pstrNetworkInfo->u16IEsLen, GFP_KERNEL); /* will be deallocated by the WILC_WFI_CfgScan() function */ memcpy(astrLastScannedNtwrksShadow[ap_index].pu8IEs, pstrNetworkInfo->pu8IEs, pstrNetworkInfo->u16IEsLen); astrLastScannedNtwrksShadow[ap_index].u32TimeRcvdInScan = jiffies; astrLastScannedNtwrksShadow[ap_index].u32TimeRcvdInScanCached = jiffies; astrLastScannedNtwrksShadow[ap_index].u8Found = 1; if (ap_found != -1) host_int_freeJoinParams(astrLastScannedNtwrksShadow[ap_index].pJoinParams); astrLastScannedNtwrksShadow[ap_index].pJoinParams = pJoinParams; } /** * @brief CfgScanResult * @details Callback function which returns the scan results found * * @param[in] tenuScanEvent enuScanEvent: enum, indicating the scan event triggered, whether that is * SCAN_EVENT_NETWORK_FOUND or SCAN_EVENT_DONE * tstrNetworkInfo* pstrNetworkInfo: structure holding the scan results information * void* pUserVoid: Private structure associated with the wireless interface * @return NONE * @author mabubakr * @date * @version 1.0 */ static void CfgScanResult(enum scan_event enuScanEvent, tstrNetworkInfo *pstrNetworkInfo, void *pUserVoid, void *pJoinParams) { struct wilc_priv *priv; struct wiphy *wiphy; s32 s32Freq; struct ieee80211_channel *channel; struct cfg80211_bss *bss = NULL; priv = (struct wilc_priv *)pUserVoid; if (priv->bCfgScanning) { if (enuScanEvent == SCAN_EVENT_NETWORK_FOUND) { wiphy = priv->dev->ieee80211_ptr->wiphy; if (!wiphy) return; if (wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC && ((((s32)pstrNetworkInfo->s8rssi) * 100) < 0 || (((s32)pstrNetworkInfo->s8rssi) * 100) > 100) ) { PRINT_ER("wiphy signal type fial\n"); return; } if (pstrNetworkInfo != NULL) { s32Freq = ieee80211_channel_to_frequency((s32)pstrNetworkInfo->u8channel, IEEE80211_BAND_2GHZ); channel = ieee80211_get_channel(wiphy, s32Freq); if (!channel) return; PRINT_INFO(CFG80211_DBG, "Network Info:: CHANNEL Frequency: %d, RSSI: %d, CapabilityInfo: %d," "BeaconPeriod: %d\n", channel->center_freq, (((s32)pstrNetworkInfo->s8rssi) * 100), pstrNetworkInfo->u16CapInfo, pstrNetworkInfo->u16BeaconPeriod); if (pstrNetworkInfo->bNewNetwork) { if (priv->u32RcvdChCount < MAX_NUM_SCANNED_NETWORKS) { /* TODO: mostafa: to be replaced by */ /* max_scan_ssids */ PRINT_D(CFG80211_DBG, "Network %s found\n", pstrNetworkInfo->au8ssid); priv->u32RcvdChCount++; if (pJoinParams == NULL) { PRINT_INFO(CORECONFIG_DBG, ">> Something really bad happened\n"); } add_network_to_shadow(pstrNetworkInfo, priv, pJoinParams); /*P2P peers are sent to WPA supplicant and added to shadow table*/ if (!(memcmp("DIRECT-", pstrNetworkInfo->au8ssid, 7))) { bss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN, pstrNetworkInfo->au8bssid, pstrNetworkInfo->u64Tsf, pstrNetworkInfo->u16CapInfo, pstrNetworkInfo->u16BeaconPeriod, (const u8 *)pstrNetworkInfo->pu8IEs, (size_t)pstrNetworkInfo->u16IEsLen, (((s32)pstrNetworkInfo->s8rssi) * 100), GFP_KERNEL); cfg80211_put_bss(wiphy, bss); } } else { PRINT_ER("Discovered networks exceeded the max limit\n"); } } else { u32 i; /* So this network is discovered before, we'll just update its RSSI */ for (i = 0; i < priv->u32RcvdChCount; i++) { if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid, pstrNetworkInfo->au8bssid, 6) == 0) { PRINT_D(CFG80211_DBG, "Update RSSI of %s\n", astrLastScannedNtwrksShadow[i].au8ssid); astrLastScannedNtwrksShadow[i].s8rssi = pstrNetworkInfo->s8rssi; astrLastScannedNtwrksShadow[i].u32TimeRcvdInScan = jiffies; break; } } } } } else if (enuScanEvent == SCAN_EVENT_DONE) { PRINT_D(CFG80211_DBG, "Scan Done[%p]\n", priv->dev); PRINT_D(CFG80211_DBG, "Refreshing Scan ...\n"); refresh_scan(priv, 1, false); if (priv->u32RcvdChCount > 0) PRINT_D(CFG80211_DBG, "%d Network(s) found\n", priv->u32RcvdChCount); else PRINT_D(CFG80211_DBG, "No networks found\n"); down(&(priv->hSemScanReq)); if (priv->pstrScanReq != NULL) { cfg80211_scan_done(priv->pstrScanReq, false); priv->u32RcvdChCount = 0; priv->bCfgScanning = false; priv->pstrScanReq = NULL; } up(&(priv->hSemScanReq)); } /*Aborting any scan operation during mac close*/ else if (enuScanEvent == SCAN_EVENT_ABORTED) { down(&(priv->hSemScanReq)); PRINT_D(CFG80211_DBG, "Scan Aborted\n"); if (priv->pstrScanReq != NULL) { update_scan_time(priv); refresh_scan(priv, 1, false); cfg80211_scan_done(priv->pstrScanReq, false); priv->bCfgScanning = false; priv->pstrScanReq = NULL; } up(&(priv->hSemScanReq)); } } } /** * @brief WILC_WFI_Set_PMKSA * @details Check if pmksa is cached and set it. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ int WILC_WFI_Set_PMKSA(u8 *bssid, struct wilc_priv *priv) { u32 i; s32 s32Error = 0; for (i = 0; i < priv->pmkid_list.numpmkid; i++) { if (!memcmp(bssid, priv->pmkid_list.pmkidlist[i].bssid, ETH_ALEN)) { PRINT_D(CFG80211_DBG, "PMKID successful comparison"); /*If bssid is found, set the values*/ s32Error = host_int_set_pmkid_info(priv->hWILCWFIDrv, &priv->pmkid_list); if (s32Error != 0) PRINT_ER("Error in pmkid\n"); break; } } return s32Error; } int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID); /** * @brief CfgConnectResult * @details * @param[in] tenuConnDisconnEvent enuConnDisconnEvent: Type of connection response either * connection response or disconnection notification. * tstrConnectInfo* pstrConnectInfo: COnnection information. * u8 u8MacStatus: Mac Status from firmware * tstrDisconnectNotifInfo* pstrDisconnectNotifInfo: Disconnection Notification * void* pUserVoid: Private data associated with wireless interface * @return NONE * @author mabubakr * @date 01 MAR 2012 * @version 1.0 */ int connecting; static void CfgConnectResult(enum conn_event enuConnDisconnEvent, tstrConnectInfo *pstrConnectInfo, u8 u8MacStatus, tstrDisconnectNotifInfo *pstrDisconnectNotifInfo, void *pUserVoid) { struct wilc_priv *priv; struct net_device *dev; struct host_if_drv *pstrWFIDrv; u8 NullBssid[ETH_ALEN] = {0}; struct wilc *wl; perInterface_wlan_t *nic; connecting = 0; priv = (struct wilc_priv *)pUserVoid; dev = priv->dev; nic = netdev_priv(dev); wl = nic->wilc; pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; if (enuConnDisconnEvent == CONN_DISCONN_EVENT_CONN_RESP) { /*Initialization*/ u16 u16ConnectStatus; u16ConnectStatus = pstrConnectInfo->u16ConnectStatus; PRINT_D(CFG80211_DBG, " Connection response received = %d\n", u8MacStatus); if ((u8MacStatus == MAC_DISCONNECTED) && (pstrConnectInfo->u16ConnectStatus == SUCCESSFUL_STATUSCODE)) { /* The case here is that our station was waiting for association response frame and has just received it containing status code * = SUCCESSFUL_STATUSCODE, while mac status is MAC_DISCONNECTED (which means something wrong happened) */ u16ConnectStatus = WLAN_STATUS_UNSPECIFIED_FAILURE; linux_wlan_set_bssid(priv->dev, NullBssid); eth_zero_addr(u8ConnectedSSID); /*Invalidate u8WLANChannel value on wlan0 disconnect*/ if (!pstrWFIDrv->u8P2PConnect) u8WLANChannel = INVALID_CHANNEL; PRINT_ER("Unspecified failure: Connection status %d : MAC status = %d\n", u16ConnectStatus, u8MacStatus); } if (u16ConnectStatus == WLAN_STATUS_SUCCESS) { bool bNeedScanRefresh = false; u32 i; PRINT_INFO(CFG80211_DBG, "Connection Successful:: BSSID: %x%x%x%x%x%x\n", pstrConnectInfo->au8bssid[0], pstrConnectInfo->au8bssid[1], pstrConnectInfo->au8bssid[2], pstrConnectInfo->au8bssid[3], pstrConnectInfo->au8bssid[4], pstrConnectInfo->au8bssid[5]); memcpy(priv->au8AssociatedBss, pstrConnectInfo->au8bssid, ETH_ALEN); for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid, pstrConnectInfo->au8bssid, ETH_ALEN) == 0) { unsigned long now = jiffies; if (time_after(now, astrLastScannedNtwrksShadow[i].u32TimeRcvdInScanCached + (unsigned long)(nl80211_SCAN_RESULT_EXPIRE - (1 * HZ)))) { bNeedScanRefresh = true; } break; } } if (bNeedScanRefresh) { /*Also, refrsh DIRECT- results if */ refresh_scan(priv, 1, true); } } PRINT_D(CFG80211_DBG, "Association request info elements length = %zu\n", pstrConnectInfo->ReqIEsLen); PRINT_D(CFG80211_DBG, "Association response info elements length = %d\n", pstrConnectInfo->u16RespIEsLen); cfg80211_connect_result(dev, pstrConnectInfo->au8bssid, pstrConnectInfo->pu8ReqIEs, pstrConnectInfo->ReqIEsLen, pstrConnectInfo->pu8RespIEs, pstrConnectInfo->u16RespIEsLen, u16ConnectStatus, GFP_KERNEL); /* TODO: mostafa: u16ConnectStatus to */ /* be replaced by pstrConnectInfo->u16ConnectStatus */ } else if (enuConnDisconnEvent == CONN_DISCONN_EVENT_DISCONN_NOTIF) { g_obtainingIP = false; PRINT_ER("Received MAC_DISCONNECTED from firmware with reason %d on dev [%p]\n", pstrDisconnectNotifInfo->u16reason, priv->dev); u8P2Plocalrandom = 0x01; u8P2Precvrandom = 0x00; bWilc_ie = false; eth_zero_addr(priv->au8AssociatedBss); linux_wlan_set_bssid(priv->dev, NullBssid); eth_zero_addr(u8ConnectedSSID); /*Invalidate u8WLANChannel value on wlan0 disconnect*/ if (!pstrWFIDrv->u8P2PConnect) u8WLANChannel = INVALID_CHANNEL; /*Incase "P2P CLIENT Connected" send deauthentication reason by 3 to force the WPA_SUPPLICANT to directly change * virtual interface to station*/ if ((pstrWFIDrv->IFC_UP) && (dev == wl->vif[1].ndev)) { pstrDisconnectNotifInfo->u16reason = 3; } /*Incase "P2P CLIENT during connection(not connected)" send deauthentication reason by 1 to force the WPA_SUPPLICANT * to scan again and retry the connection*/ else if ((!pstrWFIDrv->IFC_UP) && (dev == wl->vif[1].ndev)) { pstrDisconnectNotifInfo->u16reason = 1; } cfg80211_disconnected(dev, pstrDisconnectNotifInfo->u16reason, pstrDisconnectNotifInfo->ie, pstrDisconnectNotifInfo->ie_len, false, GFP_KERNEL); } } /** * @brief set_channel * @details Set channel for a given wireless interface. Some devices * may support multi-channel operation (by channel hopping) so cfg80211 * doesn't verify much. Note, however, that the passed netdev may be * %NULL as well if the user requested changing the channel for the * device itself, or for a monitor interface. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int set_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef) { u32 channelnum = 0; struct wilc_priv *priv; int result = 0; priv = wiphy_priv(wiphy); channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq); PRINT_D(CFG80211_DBG, "Setting channel %d with frequency %d\n", channelnum, chandef->chan->center_freq); curr_channel = channelnum; result = host_int_set_mac_chnl_num(priv->hWILCWFIDrv, channelnum); if (result != 0) PRINT_ER("Error in setting channel %d\n", channelnum); return result; } /** * @brief scan * @details Request to do a scan. If returning zero, the scan request is given * the driver, and will be valid until passed to cfg80211_scan_done(). * For scan results, call cfg80211_inform_bss(); you can call this outside * the scan/scan_done bracket too. * @param[in] * @return int : Return 0 on Success * @author mabubakr * @date 01 MAR 2012 * @version 1.0 */ static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct wilc_priv *priv; u32 i; s32 s32Error = 0; u8 au8ScanChanList[MAX_NUM_SCANNED_NETWORKS]; struct hidden_network strHiddenNetwork; priv = wiphy_priv(wiphy); priv->pstrScanReq = request; priv->u32RcvdChCount = 0; host_int_set_wfi_drv_handler(priv->hWILCWFIDrv); reset_shadow_found(priv); priv->bCfgScanning = true; if (request->n_channels <= MAX_NUM_SCANNED_NETWORKS) { /* TODO: mostafa: to be replaced by */ /* max_scan_ssids */ for (i = 0; i < request->n_channels; i++) { au8ScanChanList[i] = (u8)ieee80211_frequency_to_channel(request->channels[i]->center_freq); PRINT_INFO(CFG80211_DBG, "ScanChannel List[%d] = %d,", i, au8ScanChanList[i]); } PRINT_D(CFG80211_DBG, "Requested num of scan channel %d\n", request->n_channels); PRINT_D(CFG80211_DBG, "Scan Request IE len = %zu\n", request->ie_len); PRINT_D(CFG80211_DBG, "Number of SSIDs %d\n", request->n_ssids); if (request->n_ssids >= 1) { strHiddenNetwork.pstrHiddenNetworkInfo = kmalloc(request->n_ssids * sizeof(struct hidden_network), GFP_KERNEL); strHiddenNetwork.u8ssidnum = request->n_ssids; for (i = 0; i < request->n_ssids; i++) { if (request->ssids[i].ssid != NULL && request->ssids[i].ssid_len != 0) { strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid = kmalloc(request->ssids[i].ssid_len, GFP_KERNEL); memcpy(strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid, request->ssids[i].ssid, request->ssids[i].ssid_len); strHiddenNetwork.pstrHiddenNetworkInfo[i].u8ssidlen = request->ssids[i].ssid_len; } else { PRINT_D(CFG80211_DBG, "Received one NULL SSID\n"); strHiddenNetwork.u8ssidnum -= 1; } } PRINT_D(CFG80211_DBG, "Trigger Scan Request\n"); s32Error = host_int_scan(priv->hWILCWFIDrv, USER_SCAN, ACTIVE_SCAN, au8ScanChanList, request->n_channels, (const u8 *)request->ie, request->ie_len, CfgScanResult, (void *)priv, &strHiddenNetwork); } else { PRINT_D(CFG80211_DBG, "Trigger Scan Request\n"); s32Error = host_int_scan(priv->hWILCWFIDrv, USER_SCAN, ACTIVE_SCAN, au8ScanChanList, request->n_channels, (const u8 *)request->ie, request->ie_len, CfgScanResult, (void *)priv, NULL); } } else { PRINT_ER("Requested num of scanned channels is greater than the max, supported" " channels\n"); } if (s32Error != 0) { s32Error = -EBUSY; PRINT_WRN(CFG80211_DBG, "Device is busy: Error(%d)\n", s32Error); } return s32Error; } /** * @brief connect * @details Connect to the ESS with the specified parameters. When connected, * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS. * If the connection fails for some reason, call cfg80211_connect_result() * with the status from the AP. * @param[in] * @return int : Return 0 on Success * @author mabubakr * @date 01 MAR 2012 * @version 1.0 */ static int connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { s32 s32Error = 0; u32 i; u8 u8security = NO_ENCRYPT; enum AUTHTYPE tenuAuth_type = ANY; char *pcgroup_encrypt_val = NULL; char *pccipher_group = NULL; char *pcwpa_version = NULL; struct wilc_priv *priv; struct host_if_drv *pstrWFIDrv; tstrNetworkInfo *pstrNetworkInfo = NULL; connecting = 1; priv = wiphy_priv(wiphy); pstrWFIDrv = (struct host_if_drv *)(priv->hWILCWFIDrv); host_int_set_wfi_drv_handler(priv->hWILCWFIDrv); PRINT_D(CFG80211_DBG, "Connecting to SSID [%s] on netdev [%p] host if [%p]\n", sme->ssid, dev, priv->hWILCWFIDrv); if (!(strncmp(sme->ssid, "DIRECT-", 7))) { PRINT_D(CFG80211_DBG, "Connected to Direct network,OBSS disabled\n"); pstrWFIDrv->u8P2PConnect = 1; } else pstrWFIDrv->u8P2PConnect = 0; PRINT_INFO(CFG80211_DBG, "Required SSID = %s\n , AuthType = %d\n", sme->ssid, sme->auth_type); for (i = 0; i < u32LastScannedNtwrksCountShadow; i++) { if ((sme->ssid_len == astrLastScannedNtwrksShadow[i].u8SsidLen) && memcmp(astrLastScannedNtwrksShadow[i].au8ssid, sme->ssid, sme->ssid_len) == 0) { PRINT_INFO(CFG80211_DBG, "Network with required SSID is found %s\n", sme->ssid); if (sme->bssid == NULL) { /* BSSID is not passed from the user, so decision of matching * is done by SSID only */ PRINT_INFO(CFG80211_DBG, "BSSID is not passed from the user\n"); break; } else { /* BSSID is also passed from the user, so decision of matching * should consider also this passed BSSID */ if (memcmp(astrLastScannedNtwrksShadow[i].au8bssid, sme->bssid, ETH_ALEN) == 0) { PRINT_INFO(CFG80211_DBG, "BSSID is passed from the user and matched\n"); break; } } } } if (i < u32LastScannedNtwrksCountShadow) { PRINT_D(CFG80211_DBG, "Required bss is in scan results\n"); pstrNetworkInfo = &(astrLastScannedNtwrksShadow[i]); PRINT_INFO(CFG80211_DBG, "network BSSID to be associated: %x%x%x%x%x%x\n", pstrNetworkInfo->au8bssid[0], pstrNetworkInfo->au8bssid[1], pstrNetworkInfo->au8bssid[2], pstrNetworkInfo->au8bssid[3], pstrNetworkInfo->au8bssid[4], pstrNetworkInfo->au8bssid[5]); } else { s32Error = -ENOENT; if (u32LastScannedNtwrksCountShadow == 0) PRINT_D(CFG80211_DBG, "No Scan results yet\n"); else PRINT_D(CFG80211_DBG, "Required bss not in scan results: Error(%d)\n", s32Error); goto done; } priv->WILC_WFI_wep_default = 0; memset(priv->WILC_WFI_wep_key, 0, sizeof(priv->WILC_WFI_wep_key)); memset(priv->WILC_WFI_wep_key_len, 0, sizeof(priv->WILC_WFI_wep_key_len)); PRINT_INFO(CFG80211_DBG, "sme->crypto.wpa_versions=%x\n", sme->crypto.wpa_versions); PRINT_INFO(CFG80211_DBG, "sme->crypto.cipher_group=%x\n", sme->crypto.cipher_group); PRINT_INFO(CFG80211_DBG, "sme->crypto.n_ciphers_pairwise=%d\n", sme->crypto.n_ciphers_pairwise); if (INFO) { for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) PRINT_D(CORECONFIG_DBG, "sme->crypto.ciphers_pairwise[%d]=%x\n", i, sme->crypto.ciphers_pairwise[i]); } if (sme->crypto.cipher_group != NO_ENCRYPT) { /* To determine the u8security value, first we check the group cipher suite then {in case of WPA or WPA2} * we will add to it the pairwise cipher suite(s) */ pcwpa_version = "Default"; PRINT_D(CORECONFIG_DBG, ">> sme->crypto.wpa_versions: %x\n", sme->crypto.wpa_versions); if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) { u8security = ENCRYPT_ENABLED | WEP; pcgroup_encrypt_val = "WEP40"; pccipher_group = "WLAN_CIPHER_SUITE_WEP40"; PRINT_INFO(CFG80211_DBG, "WEP Default Key Idx = %d\n", sme->key_idx); if (INFO) { for (i = 0; i < sme->key_len; i++) PRINT_D(CORECONFIG_DBG, "WEP Key Value[%d] = %d\n", i, sme->key[i]); } priv->WILC_WFI_wep_default = sme->key_idx; priv->WILC_WFI_wep_key_len[sme->key_idx] = sme->key_len; memcpy(priv->WILC_WFI_wep_key[sme->key_idx], sme->key, sme->key_len); g_key_wep_params.key_len = sme->key_len; g_key_wep_params.key = kmalloc(sme->key_len, GFP_KERNEL); memcpy(g_key_wep_params.key, sme->key, sme->key_len); g_key_wep_params.key_idx = sme->key_idx; g_wep_keys_saved = true; host_int_set_wep_default_key(priv->hWILCWFIDrv, sme->key_idx); host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, sme->key, sme->key_len, sme->key_idx); } else if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104) { u8security = ENCRYPT_ENABLED | WEP | WEP_EXTENDED; pcgroup_encrypt_val = "WEP104"; pccipher_group = "WLAN_CIPHER_SUITE_WEP104"; priv->WILC_WFI_wep_default = sme->key_idx; priv->WILC_WFI_wep_key_len[sme->key_idx] = sme->key_len; memcpy(priv->WILC_WFI_wep_key[sme->key_idx], sme->key, sme->key_len); g_key_wep_params.key_len = sme->key_len; g_key_wep_params.key = kmalloc(sme->key_len, GFP_KERNEL); memcpy(g_key_wep_params.key, sme->key, sme->key_len); g_key_wep_params.key_idx = sme->key_idx; g_wep_keys_saved = true; host_int_set_wep_default_key(priv->hWILCWFIDrv, sme->key_idx); host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, sme->key, sme->key_len, sme->key_idx); } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) { if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_TKIP) { u8security = ENCRYPT_ENABLED | WPA2 | TKIP; pcgroup_encrypt_val = "WPA2_TKIP"; pccipher_group = "TKIP"; } else { /* TODO: mostafa: here we assume that any other encryption type is AES */ /* tenuSecurity_t = WPA2_AES; */ u8security = ENCRYPT_ENABLED | WPA2 | AES; pcgroup_encrypt_val = "WPA2_AES"; pccipher_group = "AES"; } pcwpa_version = "WPA_VERSION_2"; } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) { if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_TKIP) { u8security = ENCRYPT_ENABLED | WPA | TKIP; pcgroup_encrypt_val = "WPA_TKIP"; pccipher_group = "TKIP"; } else { /* TODO: mostafa: here we assume that any other encryption type is AES */ /* tenuSecurity_t = WPA_AES; */ u8security = ENCRYPT_ENABLED | WPA | AES; pcgroup_encrypt_val = "WPA_AES"; pccipher_group = "AES"; } pcwpa_version = "WPA_VERSION_1"; } else { s32Error = -ENOTSUPP; PRINT_ER("Not supported cipher: Error(%d)\n", s32Error); goto done; } } /* After we set the u8security value from checking the group cipher suite, {in case of WPA or WPA2} we will * add to it the pairwise cipher suite(s) */ if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) || (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) { for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) { if (sme->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP) { u8security = u8security | TKIP; } else { /* TODO: mostafa: here we assume that any other encryption type is AES */ u8security = u8security | AES; } } } PRINT_D(CFG80211_DBG, "Adding key with cipher group = %x\n", sme->crypto.cipher_group); PRINT_D(CFG80211_DBG, "Authentication Type = %d\n", sme->auth_type); switch (sme->auth_type) { case NL80211_AUTHTYPE_OPEN_SYSTEM: PRINT_D(CFG80211_DBG, "In OPEN SYSTEM\n"); tenuAuth_type = OPEN_SYSTEM; break; case NL80211_AUTHTYPE_SHARED_KEY: tenuAuth_type = SHARED_KEY; PRINT_D(CFG80211_DBG, "In SHARED KEY\n"); break; default: PRINT_D(CFG80211_DBG, "Automatic Authentation type = %d\n", sme->auth_type); } /* ai: key_mgmt: enterprise case */ if (sme->crypto.n_akm_suites) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_8021X: tenuAuth_type = IEEE8021; break; default: break; } } PRINT_INFO(CFG80211_DBG, "Required Channel = %d\n", pstrNetworkInfo->u8channel); PRINT_INFO(CFG80211_DBG, "Group encryption value = %s\n Cipher Group = %s\n WPA version = %s\n", pcgroup_encrypt_val, pccipher_group, pcwpa_version); curr_channel = pstrNetworkInfo->u8channel; if (!pstrWFIDrv->u8P2PConnect) { u8WLANChannel = pstrNetworkInfo->u8channel; } linux_wlan_set_bssid(dev, pstrNetworkInfo->au8bssid); s32Error = host_int_set_join_req(priv->hWILCWFIDrv, pstrNetworkInfo->au8bssid, sme->ssid, sme->ssid_len, sme->ie, sme->ie_len, CfgConnectResult, (void *)priv, u8security, tenuAuth_type, pstrNetworkInfo->u8channel, pstrNetworkInfo->pJoinParams); if (s32Error != 0) { PRINT_ER("host_int_set_join_req(): Error(%d)\n", s32Error); s32Error = -ENOENT; goto done; } done: return s32Error; } /** * @brief disconnect * @details Disconnect from the BSS/ESS. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { s32 s32Error = 0; struct wilc_priv *priv; struct host_if_drv *pstrWFIDrv; u8 NullBssid[ETH_ALEN] = {0}; connecting = 0; priv = wiphy_priv(wiphy); /*Invalidate u8WLANChannel value on wlan0 disconnect*/ pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; if (!pstrWFIDrv->u8P2PConnect) u8WLANChannel = INVALID_CHANNEL; linux_wlan_set_bssid(priv->dev, NullBssid); PRINT_D(CFG80211_DBG, "Disconnecting with reason code(%d)\n", reason_code); u8P2Plocalrandom = 0x01; u8P2Precvrandom = 0x00; bWilc_ie = false; pstrWFIDrv->u64P2p_MgmtTimeout = 0; s32Error = host_int_disconnect(priv->hWILCWFIDrv, reason_code); if (s32Error != 0) { PRINT_ER("Error in disconnecting: Error(%d)\n", s32Error); s32Error = -EINVAL; } return s32Error; } /** * @brief add_key * @details Add a key with the given parameters. @mac_addr will be %NULL * when adding a group key. * @param[in] key : key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key, 8-byte Rx Mic Key * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { s32 s32Error = 0, KeyLen = params->key_len; u32 i; struct wilc_priv *priv; const u8 *pu8RxMic = NULL; const u8 *pu8TxMic = NULL; u8 u8mode = NO_ENCRYPT; u8 u8gmode = NO_ENCRYPT; u8 u8pmode = NO_ENCRYPT; enum AUTHTYPE tenuAuth_type = ANY; struct wilc *wl; perInterface_wlan_t *nic; priv = wiphy_priv(wiphy); nic = netdev_priv(netdev); wl = nic->wilc; PRINT_D(CFG80211_DBG, "Adding key with cipher suite = %x\n", params->cipher); PRINT_D(CFG80211_DBG, "%p %p %d\n", wiphy, netdev, key_index); PRINT_D(CFG80211_DBG, "key %x %x %x\n", params->key[0], params->key[1], params->key[2]); switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: if (priv->wdev->iftype == NL80211_IFTYPE_AP) { priv->WILC_WFI_wep_default = key_index; priv->WILC_WFI_wep_key_len[key_index] = params->key_len; memcpy(priv->WILC_WFI_wep_key[key_index], params->key, params->key_len); PRINT_D(CFG80211_DBG, "Adding AP WEP Default key Idx = %d\n", key_index); PRINT_D(CFG80211_DBG, "Adding AP WEP Key len= %d\n", params->key_len); for (i = 0; i < params->key_len; i++) PRINT_D(CFG80211_DBG, "WEP AP key val[%d] = %x\n", i, params->key[i]); tenuAuth_type = OPEN_SYSTEM; if (params->cipher == WLAN_CIPHER_SUITE_WEP40) u8mode = ENCRYPT_ENABLED | WEP; else u8mode = ENCRYPT_ENABLED | WEP | WEP_EXTENDED; host_int_add_wep_key_bss_ap(priv->hWILCWFIDrv, params->key, params->key_len, key_index, u8mode, tenuAuth_type); break; } if (memcmp(params->key, priv->WILC_WFI_wep_key[key_index], params->key_len)) { priv->WILC_WFI_wep_default = key_index; priv->WILC_WFI_wep_key_len[key_index] = params->key_len; memcpy(priv->WILC_WFI_wep_key[key_index], params->key, params->key_len); PRINT_D(CFG80211_DBG, "Adding WEP Default key Idx = %d\n", key_index); PRINT_D(CFG80211_DBG, "Adding WEP Key length = %d\n", params->key_len); if (INFO) { for (i = 0; i < params->key_len; i++) PRINT_INFO(CFG80211_DBG, "WEP key value[%d] = %d\n", i, params->key[i]); } host_int_add_wep_key_bss_sta(priv->hWILCWFIDrv, params->key, params->key_len, key_index); } break; case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: if (priv->wdev->iftype == NL80211_IFTYPE_AP || priv->wdev->iftype == NL80211_IFTYPE_P2P_GO) { if (priv->wilc_gtk[key_index] == NULL) { priv->wilc_gtk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL); priv->wilc_gtk[key_index]->key = NULL; priv->wilc_gtk[key_index]->seq = NULL; } if (priv->wilc_ptk[key_index] == NULL) { priv->wilc_ptk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL); priv->wilc_ptk[key_index]->key = NULL; priv->wilc_ptk[key_index]->seq = NULL; } if (!pairwise) { if (params->cipher == WLAN_CIPHER_SUITE_TKIP) u8gmode = ENCRYPT_ENABLED | WPA | TKIP; else u8gmode = ENCRYPT_ENABLED | WPA2 | AES; priv->wilc_groupkey = u8gmode; if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) { pu8TxMic = params->key + 24; pu8RxMic = params->key + 16; KeyLen = params->key_len - 16; } /* if there has been previous allocation for the same index through its key, free that memory and allocate again*/ kfree(priv->wilc_gtk[key_index]->key); priv->wilc_gtk[key_index]->key = kmalloc(params->key_len, GFP_KERNEL); memcpy(priv->wilc_gtk[key_index]->key, params->key, params->key_len); /* if there has been previous allocation for the same index through its seq, free that memory and allocate again*/ kfree(priv->wilc_gtk[key_index]->seq); if ((params->seq_len) > 0) { priv->wilc_gtk[key_index]->seq = kmalloc(params->seq_len, GFP_KERNEL); memcpy(priv->wilc_gtk[key_index]->seq, params->seq, params->seq_len); } priv->wilc_gtk[key_index]->cipher = params->cipher; priv->wilc_gtk[key_index]->key_len = params->key_len; priv->wilc_gtk[key_index]->seq_len = params->seq_len; if (INFO) { for (i = 0; i < params->key_len; i++) PRINT_INFO(CFG80211_DBG, "Adding group key value[%d] = %x\n", i, params->key[i]); for (i = 0; i < params->seq_len; i++) PRINT_INFO(CFG80211_DBG, "Adding group seq value[%d] = %x\n", i, params->seq[i]); } host_int_add_rx_gtk(priv->hWILCWFIDrv, params->key, KeyLen, key_index, params->seq_len, params->seq, pu8RxMic, pu8TxMic, AP_MODE, u8gmode); } else { PRINT_INFO(CFG80211_DBG, "STA Address: %x%x%x%x%x\n", mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4]); if (params->cipher == WLAN_CIPHER_SUITE_TKIP) u8pmode = ENCRYPT_ENABLED | WPA | TKIP; else u8pmode = priv->wilc_groupkey | AES; if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) { pu8TxMic = params->key + 24; pu8RxMic = params->key + 16; KeyLen = params->key_len - 16; } kfree(priv->wilc_ptk[key_index]->key); priv->wilc_ptk[key_index]->key = kmalloc(params->key_len, GFP_KERNEL); kfree(priv->wilc_ptk[key_index]->seq); if ((params->seq_len) > 0) priv->wilc_ptk[key_index]->seq = kmalloc(params->seq_len, GFP_KERNEL); if (INFO) { for (i = 0; i < params->key_len; i++) PRINT_INFO(CFG80211_DBG, "Adding pairwise key value[%d] = %x\n", i, params->key[i]); for (i = 0; i < params->seq_len; i++) PRINT_INFO(CFG80211_DBG, "Adding group seq value[%d] = %x\n", i, params->seq[i]); } memcpy(priv->wilc_ptk[key_index]->key, params->key, params->key_len); if ((params->seq_len) > 0) memcpy(priv->wilc_ptk[key_index]->seq, params->seq, params->seq_len); priv->wilc_ptk[key_index]->cipher = params->cipher; priv->wilc_ptk[key_index]->key_len = params->key_len; priv->wilc_ptk[key_index]->seq_len = params->seq_len; host_int_add_ptk(priv->hWILCWFIDrv, params->key, KeyLen, mac_addr, pu8RxMic, pu8TxMic, AP_MODE, u8pmode, key_index); } break; } { u8mode = 0; if (!pairwise) { if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) { /* swap the tx mic by rx mic */ pu8RxMic = params->key + 24; pu8TxMic = params->key + 16; KeyLen = params->key_len - 16; } /*save keys only on interface 0 (wifi interface)*/ if (!g_gtk_keys_saved && netdev == wl->vif[0].ndev) { g_add_gtk_key_params.key_idx = key_index; g_add_gtk_key_params.pairwise = pairwise; if (!mac_addr) { g_add_gtk_key_params.mac_addr = NULL; } else { g_add_gtk_key_params.mac_addr = kmalloc(ETH_ALEN, GFP_KERNEL); memcpy(g_add_gtk_key_params.mac_addr, mac_addr, ETH_ALEN); } g_key_gtk_params.key_len = params->key_len; g_key_gtk_params.seq_len = params->seq_len; g_key_gtk_params.key = kmalloc(params->key_len, GFP_KERNEL); memcpy(g_key_gtk_params.key, params->key, params->key_len); if (params->seq_len > 0) { g_key_gtk_params.seq = kmalloc(params->seq_len, GFP_KERNEL); memcpy(g_key_gtk_params.seq, params->seq, params->seq_len); } g_key_gtk_params.cipher = params->cipher; PRINT_D(CFG80211_DBG, "key %x %x %x\n", g_key_gtk_params.key[0], g_key_gtk_params.key[1], g_key_gtk_params.key[2]); g_gtk_keys_saved = true; } host_int_add_rx_gtk(priv->hWILCWFIDrv, params->key, KeyLen, key_index, params->seq_len, params->seq, pu8RxMic, pu8TxMic, STATION_MODE, u8mode); } else { if (params->key_len > 16 && params->cipher == WLAN_CIPHER_SUITE_TKIP) { /* swap the tx mic by rx mic */ pu8RxMic = params->key + 24; pu8TxMic = params->key + 16; KeyLen = params->key_len - 16; } /*save keys only on interface 0 (wifi interface)*/ if (!g_ptk_keys_saved && netdev == wl->vif[0].ndev) { g_add_ptk_key_params.key_idx = key_index; g_add_ptk_key_params.pairwise = pairwise; if (!mac_addr) { g_add_ptk_key_params.mac_addr = NULL; } else { g_add_ptk_key_params.mac_addr = kmalloc(ETH_ALEN, GFP_KERNEL); memcpy(g_add_ptk_key_params.mac_addr, mac_addr, ETH_ALEN); } g_key_ptk_params.key_len = params->key_len; g_key_ptk_params.seq_len = params->seq_len; g_key_ptk_params.key = kmalloc(params->key_len, GFP_KERNEL); memcpy(g_key_ptk_params.key, params->key, params->key_len); if (params->seq_len > 0) { g_key_ptk_params.seq = kmalloc(params->seq_len, GFP_KERNEL); memcpy(g_key_ptk_params.seq, params->seq, params->seq_len); } g_key_ptk_params.cipher = params->cipher; PRINT_D(CFG80211_DBG, "key %x %x %x\n", g_key_ptk_params.key[0], g_key_ptk_params.key[1], g_key_ptk_params.key[2]); g_ptk_keys_saved = true; } host_int_add_ptk(priv->hWILCWFIDrv, params->key, KeyLen, mac_addr, pu8RxMic, pu8TxMic, STATION_MODE, u8mode, key_index); PRINT_D(CFG80211_DBG, "Adding pairwise key\n"); if (INFO) { for (i = 0; i < params->key_len; i++) PRINT_INFO(CFG80211_DBG, "Adding pairwise key value[%d] = %d\n", i, params->key[i]); } } } break; default: PRINT_ER("Not supported cipher: Error(%d)\n", s32Error); s32Error = -ENOTSUPP; } return s32Error; } /** * @brief del_key * @details Remove a key given the @mac_addr (%NULL for a group key) * and @key_index, return -ENOENT if the key doesn't exist. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int del_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct wilc_priv *priv; struct wilc *wl; perInterface_wlan_t *nic; priv = wiphy_priv(wiphy); nic = netdev_priv(netdev); wl = nic->wilc; /*delete saved keys, if any*/ if (netdev == wl->vif[0].ndev) { g_ptk_keys_saved = false; g_gtk_keys_saved = false; g_wep_keys_saved = false; /*Delete saved WEP keys params, if any*/ kfree(g_key_wep_params.key); g_key_wep_params.key = NULL; /*freeing memory allocated by "wilc_gtk" and "wilc_ptk" in "WILC_WIFI_ADD_KEY"*/ if ((priv->wilc_gtk[key_index]) != NULL) { kfree(priv->wilc_gtk[key_index]->key); priv->wilc_gtk[key_index]->key = NULL; kfree(priv->wilc_gtk[key_index]->seq); priv->wilc_gtk[key_index]->seq = NULL; kfree(priv->wilc_gtk[key_index]); priv->wilc_gtk[key_index] = NULL; } if ((priv->wilc_ptk[key_index]) != NULL) { kfree(priv->wilc_ptk[key_index]->key); priv->wilc_ptk[key_index]->key = NULL; kfree(priv->wilc_ptk[key_index]->seq); priv->wilc_ptk[key_index]->seq = NULL; kfree(priv->wilc_ptk[key_index]); priv->wilc_ptk[key_index] = NULL; } /*Delete saved PTK and GTK keys params, if any*/ kfree(g_key_ptk_params.key); g_key_ptk_params.key = NULL; kfree(g_key_ptk_params.seq); g_key_ptk_params.seq = NULL; kfree(g_key_gtk_params.key); g_key_gtk_params.key = NULL; kfree(g_key_gtk_params.seq); g_key_gtk_params.seq = NULL; /*Reset WILC_CHANGING_VIR_IF register to allow adding futrue keys to CE H/W*/ Set_machw_change_vir_if(netdev, false); } if (key_index >= 0 && key_index <= 3) { memset(priv->WILC_WFI_wep_key[key_index], 0, priv->WILC_WFI_wep_key_len[key_index]); priv->WILC_WFI_wep_key_len[key_index] = 0; PRINT_D(CFG80211_DBG, "Removing WEP key with index = %d\n", key_index); host_int_remove_wep_key(priv->hWILCWFIDrv, key_index); } else { PRINT_D(CFG80211_DBG, "Removing all installed keys\n"); host_int_remove_key(priv->hWILCWFIDrv, mac_addr); } return 0; } /** * @brief get_key * @details Get information about the key with the given parameters. * @mac_addr will be %NULL when requesting information for a group * key. All pointers given to the @callback function need not be valid * after it returns. This function should return an error if it is * not possible to retrieve the key, -ENOENT if it doesn't exist. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback)(void *cookie, struct key_params *)) { struct wilc_priv *priv; struct key_params key_params; u32 i; priv = wiphy_priv(wiphy); if (!pairwise) { PRINT_D(CFG80211_DBG, "Getting group key idx: %x\n", key_index); key_params.key = priv->wilc_gtk[key_index]->key; key_params.cipher = priv->wilc_gtk[key_index]->cipher; key_params.key_len = priv->wilc_gtk[key_index]->key_len; key_params.seq = priv->wilc_gtk[key_index]->seq; key_params.seq_len = priv->wilc_gtk[key_index]->seq_len; if (INFO) { for (i = 0; i < key_params.key_len; i++) PRINT_INFO(CFG80211_DBG, "Retrieved key value %x\n", key_params.key[i]); } } else { PRINT_D(CFG80211_DBG, "Getting pairwise key\n"); key_params.key = priv->wilc_ptk[key_index]->key; key_params.cipher = priv->wilc_ptk[key_index]->cipher; key_params.key_len = priv->wilc_ptk[key_index]->key_len; key_params.seq = priv->wilc_ptk[key_index]->seq; key_params.seq_len = priv->wilc_ptk[key_index]->seq_len; } callback(cookie, &key_params); return 0; /* priv->wilc_gtk->key_len ?0 : -ENOENT; */ } /** * @brief set_default_key * @details Set the default management frame key on an interface * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int set_default_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool unicast, bool multicast) { struct wilc_priv *priv; priv = wiphy_priv(wiphy); PRINT_D(CFG80211_DBG, "Setting default key with idx = %d\n", key_index); if (key_index != priv->WILC_WFI_wep_default) { host_int_set_wep_default_key(priv->hWILCWFIDrv, key_index); } return 0; } /** * @brief get_station * @details Get station information for the station identified by @mac * @param[in] NONE * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo) { struct wilc_priv *priv; perInterface_wlan_t *nic; u32 i = 0; u32 associatedsta = 0; u32 inactive_time = 0; priv = wiphy_priv(wiphy); nic = netdev_priv(dev); if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) { PRINT_D(HOSTAPD_DBG, "Getting station parameters\n"); PRINT_INFO(HOSTAPD_DBG, ": %x%x%x%x%x\n", mac[0], mac[1], mac[2], mac[3], mac[4]); for (i = 0; i < NUM_STA_ASSOCIATED; i++) { if (!(memcmp(mac, priv->assoc_stainfo.au8Sta_AssociatedBss[i], ETH_ALEN))) { associatedsta = i; break; } } if (associatedsta == -1) { PRINT_ER("Station required is not associated\n"); return -ENOENT; } sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME); host_int_get_inactive_time(priv->hWILCWFIDrv, mac, &(inactive_time)); sinfo->inactive_time = 1000 * inactive_time; PRINT_D(CFG80211_DBG, "Inactive time %d\n", sinfo->inactive_time); } if (nic->iftype == STATION_MODE) { struct rf_info strStatistics; host_int_get_statistics(priv->hWILCWFIDrv, &strStatistics); sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | BIT(NL80211_STA_INFO_TX_FAILED) | BIT(NL80211_STA_INFO_TX_BITRATE); sinfo->signal = strStatistics.s8RSSI; sinfo->rx_packets = strStatistics.u32RxCount; sinfo->tx_packets = strStatistics.u32TxCount + strStatistics.u32TxFailureCount; sinfo->tx_failed = strStatistics.u32TxFailureCount; sinfo->txrate.legacy = strStatistics.u8LinkSpeed * 10; if ((strStatistics.u8LinkSpeed > TCP_ACK_FILTER_LINK_SPEED_THRESH) && (strStatistics.u8LinkSpeed != DEFAULT_LINK_SPEED)) Enable_TCP_ACK_Filter(true); else if (strStatistics.u8LinkSpeed != DEFAULT_LINK_SPEED) Enable_TCP_ACK_Filter(false); PRINT_D(CORECONFIG_DBG, "*** stats[%d][%d][%d][%d][%d]\n", sinfo->signal, sinfo->rx_packets, sinfo->tx_packets, sinfo->tx_failed, sinfo->txrate.legacy); } return 0; } /** * @brief change_bss * @details Modify parameters for a given BSS. * @param[in] * -use_cts_prot: Whether to use CTS protection * (0 = no, 1 = yes, -1 = do not change) * -use_short_preamble: Whether the use of short preambles is allowed * (0 = no, 1 = yes, -1 = do not change) * -use_short_slot_time: Whether the use of short slot time is allowed * (0 = no, 1 = yes, -1 = do not change) * -basic_rates: basic rates in IEEE 802.11 format * (or NULL for no change) * -basic_rates_len: number of basic rates * -ap_isolate: do not forward packets between connected stations * -ht_opmode: HT Operation mode * (u16 = opmode, -1 = do not change) * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { PRINT_D(CFG80211_DBG, "Changing Bss parametrs\n"); return 0; } /** * @brief set_wiphy_params * @details Notify that wiphy parameters have changed; * @param[in] Changed bitfield (see &enum wiphy_params_flags) describes which values * have changed. * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int set_wiphy_params(struct wiphy *wiphy, u32 changed) { s32 s32Error = 0; struct cfg_param_val pstrCfgParamVal; struct wilc_priv *priv; priv = wiphy_priv(wiphy); pstrCfgParamVal.flag = 0; PRINT_D(CFG80211_DBG, "Setting Wiphy params\n"); if (changed & WIPHY_PARAM_RETRY_SHORT) { PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RETRY_SHORT %d\n", priv->dev->ieee80211_ptr->wiphy->retry_short); pstrCfgParamVal.flag |= RETRY_SHORT; pstrCfgParamVal.short_retry_limit = priv->dev->ieee80211_ptr->wiphy->retry_short; } if (changed & WIPHY_PARAM_RETRY_LONG) { PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RETRY_LONG %d\n", priv->dev->ieee80211_ptr->wiphy->retry_long); pstrCfgParamVal.flag |= RETRY_LONG; pstrCfgParamVal.long_retry_limit = priv->dev->ieee80211_ptr->wiphy->retry_long; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n", priv->dev->ieee80211_ptr->wiphy->frag_threshold); pstrCfgParamVal.flag |= FRAG_THRESHOLD; pstrCfgParamVal.frag_threshold = priv->dev->ieee80211_ptr->wiphy->frag_threshold; } if (changed & WIPHY_PARAM_RTS_THRESHOLD) { PRINT_D(CFG80211_DBG, "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n", priv->dev->ieee80211_ptr->wiphy->rts_threshold); pstrCfgParamVal.flag |= RTS_THRESHOLD; pstrCfgParamVal.rts_threshold = priv->dev->ieee80211_ptr->wiphy->rts_threshold; } PRINT_D(CFG80211_DBG, "Setting CFG params in the host interface\n"); s32Error = hif_set_cfg(priv->hWILCWFIDrv, &pstrCfgParamVal); if (s32Error) PRINT_ER("Error in setting WIPHY PARAMS\n"); return s32Error; } /** * @brief set_pmksa * @details Cache a PMKID for a BSSID. This is mostly useful for fullmac * devices running firmwares capable of generating the (re) association * RSN IE. It allows for faster roaming between WPA2 BSSIDs. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa) { u32 i; s32 s32Error = 0; u8 flag = 0; struct wilc_priv *priv = wiphy_priv(wiphy); PRINT_D(CFG80211_DBG, "Setting PMKSA\n"); for (i = 0; i < priv->pmkid_list.numpmkid; i++) { if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, ETH_ALEN)) { /*If bssid already exists and pmkid value needs to reset*/ flag = PMKID_FOUND; PRINT_D(CFG80211_DBG, "PMKID already exists\n"); break; } } if (i < WILC_MAX_NUM_PMKIDS) { PRINT_D(CFG80211_DBG, "Setting PMKID in private structure\n"); memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid, ETH_ALEN); memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid, PMKID_LEN); if (!(flag == PMKID_FOUND)) priv->pmkid_list.numpmkid++; } else { PRINT_ER("Invalid PMKID index\n"); s32Error = -EINVAL; } if (!s32Error) { PRINT_D(CFG80211_DBG, "Setting pmkid in the host interface\n"); s32Error = host_int_set_pmkid_info(priv->hWILCWFIDrv, &priv->pmkid_list); } return s32Error; } /** * @brief del_pmksa * @details Delete a cached PMKID. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa) { u32 i; s32 s32Error = 0; struct wilc_priv *priv = wiphy_priv(wiphy); PRINT_D(CFG80211_DBG, "Deleting PMKSA keys\n"); for (i = 0; i < priv->pmkid_list.numpmkid; i++) { if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid, ETH_ALEN)) { /*If bssid is found, reset the values*/ PRINT_D(CFG80211_DBG, "Reseting PMKID values\n"); memset(&priv->pmkid_list.pmkidlist[i], 0, sizeof(struct host_if_pmkid)); break; } } if (i < priv->pmkid_list.numpmkid && priv->pmkid_list.numpmkid > 0) { for (; i < (priv->pmkid_list.numpmkid - 1); i++) { memcpy(priv->pmkid_list.pmkidlist[i].bssid, priv->pmkid_list.pmkidlist[i + 1].bssid, ETH_ALEN); memcpy(priv->pmkid_list.pmkidlist[i].pmkid, priv->pmkid_list.pmkidlist[i].pmkid, PMKID_LEN); } priv->pmkid_list.numpmkid--; } else { s32Error = -EINVAL; } return s32Error; } /** * @brief flush_pmksa * @details Flush all cached PMKIDs. * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) { struct wilc_priv *priv = wiphy_priv(wiphy); PRINT_D(CFG80211_DBG, "Flushing PMKID key values\n"); /*Get cashed Pmkids and set all with zeros*/ memset(&priv->pmkid_list, 0, sizeof(struct host_if_pmkid_attr)); return 0; } /** * @brief WILC_WFI_CfgParseRxAction * @details Function parses the received frames and modifies the following attributes: * -GO Intent * -Channel list * -Operating Channel * * @param[in] u8* Buffer, u32 length * @return NONE. * @author mdaftedar * @date 12 DEC 2012 * @version */ void WILC_WFI_CfgParseRxAction(u8 *buf, u32 len) { u32 index = 0; u32 i = 0, j = 0; u8 op_channel_attr_index = 0; u8 channel_list_attr_index = 0; while (index < len) { if (buf[index] == GO_INTENT_ATTR_ID) { buf[index + 3] = (buf[index + 3] & 0x01) | (0x00 << 1); } if (buf[index] == CHANLIST_ATTR_ID) channel_list_attr_index = index; else if (buf[index] == OPERCHAN_ATTR_ID) op_channel_attr_index = index; index += buf[index + 1] + 3; /* ID,Length byte */ } if (u8WLANChannel != INVALID_CHANNEL) { /*Modify channel list attribute*/ if (channel_list_attr_index) { PRINT_D(GENERIC_DBG, "Modify channel list attribute\n"); for (i = channel_list_attr_index + 3; i < ((channel_list_attr_index + 3) + buf[channel_list_attr_index + 1]); i++) { if (buf[i] == 0x51) { for (j = i + 2; j < ((i + 2) + buf[i + 1]); j++) { buf[j] = u8WLANChannel; } break; } } } /*Modify operating channel attribute*/ if (op_channel_attr_index) { PRINT_D(GENERIC_DBG, "Modify operating channel attribute\n"); buf[op_channel_attr_index + 6] = 0x51; buf[op_channel_attr_index + 7] = u8WLANChannel; } } } /** * @brief WILC_WFI_CfgParseTxAction * @details Function parses the transmitted action frames and modifies the * GO Intent attribute * @param[in] u8* Buffer, u32 length, bool bOperChan, u8 iftype * @return NONE. * @author mdaftedar * @date 12 DEC 2012 * @version */ void WILC_WFI_CfgParseTxAction(u8 *buf, u32 len, bool bOperChan, u8 iftype) { u32 index = 0; u32 i = 0, j = 0; u8 op_channel_attr_index = 0; u8 channel_list_attr_index = 0; while (index < len) { if (buf[index] == GO_INTENT_ATTR_ID) { buf[index + 3] = (buf[index + 3] & 0x01) | (0x0f << 1); break; } if (buf[index] == CHANLIST_ATTR_ID) channel_list_attr_index = index; else if (buf[index] == OPERCHAN_ATTR_ID) op_channel_attr_index = index; index += buf[index + 1] + 3; /* ID,Length byte */ } if (u8WLANChannel != INVALID_CHANNEL && bOperChan) { /*Modify channel list attribute*/ if (channel_list_attr_index) { PRINT_D(GENERIC_DBG, "Modify channel list attribute\n"); for (i = channel_list_attr_index + 3; i < ((channel_list_attr_index + 3) + buf[channel_list_attr_index + 1]); i++) { if (buf[i] == 0x51) { for (j = i + 2; j < ((i + 2) + buf[i + 1]); j++) { buf[j] = u8WLANChannel; } break; } } } /*Modify operating channel attribute*/ if (op_channel_attr_index) { PRINT_D(GENERIC_DBG, "Modify operating channel attribute\n"); buf[op_channel_attr_index + 6] = 0x51; buf[op_channel_attr_index + 7] = u8WLANChannel; } } } /* @brief WILC_WFI_p2p_rx * @details * @param[in] * * @return None * @author Mai Daftedar * @date 2 JUN 2013 * @version 1.0 */ void WILC_WFI_p2p_rx (struct net_device *dev, u8 *buff, u32 size) { struct wilc_priv *priv; u32 header, pkt_offset; struct host_if_drv *pstrWFIDrv; u32 i = 0; s32 s32Freq; priv = wiphy_priv(dev->ieee80211_ptr->wiphy); pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; /* Get WILC header */ memcpy(&header, (buff - HOST_HDR_OFFSET), HOST_HDR_OFFSET); /* The packet offset field conain info about what type of managment frame */ /* we are dealing with and ack status */ pkt_offset = GET_PKT_OFFSET(header); if (pkt_offset & IS_MANAGMEMENT_CALLBACK) { if (buff[FRAME_TYPE_ID] == IEEE80211_STYPE_PROBE_RESP) { PRINT_D(GENERIC_DBG, "Probe response ACK\n"); cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, true, GFP_KERNEL); return; } else { if (pkt_offset & IS_MGMT_STATUS_SUCCES) { PRINT_D(GENERIC_DBG, "Success Ack - Action frame category: %x Action Subtype: %d Dialog T: %x OR %x\n", buff[ACTION_CAT_ID], buff[ACTION_SUBTYPE_ID], buff[ACTION_SUBTYPE_ID + 1], buff[P2P_PUB_ACTION_SUBTYPE + 1]); cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, true, GFP_KERNEL); } else { PRINT_D(GENERIC_DBG, "Fail Ack - Action frame category: %x Action Subtype: %d Dialog T: %x OR %x\n", buff[ACTION_CAT_ID], buff[ACTION_SUBTYPE_ID], buff[ACTION_SUBTYPE_ID + 1], buff[P2P_PUB_ACTION_SUBTYPE + 1]); cfg80211_mgmt_tx_status(priv->wdev, priv->u64tx_cookie, buff, size, false, GFP_KERNEL); } return; } } else { PRINT_D(GENERIC_DBG, "Rx Frame Type:%x\n", buff[FRAME_TYPE_ID]); /*Upper layer is informed that the frame is received on this freq*/ s32Freq = ieee80211_channel_to_frequency(curr_channel, IEEE80211_BAND_2GHZ); if (ieee80211_is_action(buff[FRAME_TYPE_ID])) { PRINT_D(GENERIC_DBG, "Rx Action Frame Type: %x %x\n", buff[ACTION_SUBTYPE_ID], buff[P2P_PUB_ACTION_SUBTYPE]); if (priv->bCfgScanning && time_after_eq(jiffies, (unsigned long)pstrWFIDrv->u64P2p_MgmtTimeout)) { PRINT_D(GENERIC_DBG, "Receiving action frames from wrong channels\n"); return; } if (buff[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) { switch (buff[ACTION_SUBTYPE_ID]) { case GAS_INTIAL_REQ: PRINT_D(GENERIC_DBG, "GAS INITIAL REQ %x\n", buff[ACTION_SUBTYPE_ID]); break; case GAS_INTIAL_RSP: PRINT_D(GENERIC_DBG, "GAS INITIAL RSP %x\n", buff[ACTION_SUBTYPE_ID]); break; case PUBLIC_ACT_VENDORSPEC: /*Now we have a public action vendor specific action frame, check if its a p2p public action frame * based on the standard its should have the p2p_oui attribute with the following values 50 6f 9A 09*/ if (!memcmp(u8P2P_oui, &buff[ACTION_SUBTYPE_ID + 1], 4)) { if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP)) { if (!bWilc_ie) { for (i = P2P_PUB_ACTION_SUBTYPE; i < size; i++) { if (!memcmp(u8P2P_vendorspec, &buff[i], 6)) { u8P2Precvrandom = buff[i + 6]; bWilc_ie = true; PRINT_D(GENERIC_DBG, "WILC Vendor specific IE:%02x\n", u8P2Precvrandom); break; } } } } if (u8P2Plocalrandom > u8P2Precvrandom) { if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP || buff[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)) { for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < size; i++) { if (buff[i] == P2PELEM_ATTR_ID && !(memcmp(u8P2P_oui, &buff[i + 2], 4))) { WILC_WFI_CfgParseRxAction(&buff[i + 6], size - (i + 6)); break; } } } } else PRINT_D(GENERIC_DBG, "PEER WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom); } if ((buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buff[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP) && (bWilc_ie)) { PRINT_D(GENERIC_DBG, "Sending P2P to host without extra elemnt\n"); /* extra attribute for sig_dbm: signal strength in mBm, or 0 if unknown */ cfg80211_rx_mgmt(priv->wdev, s32Freq, 0, buff, size - 7, 0); return; } break; default: PRINT_D(GENERIC_DBG, "NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n", buff[ACTION_SUBTYPE_ID]); break; } } } cfg80211_rx_mgmt(priv->wdev, s32Freq, 0, buff, size - 7, 0); } } /** * @brief WILC_WFI_mgmt_tx_complete * @details Returns result of writing mgmt frame to VMM (Tx buffers are freed here) * @param[in] priv * transmitting status * @return None * @author Amr Abdelmoghny * @date 20 MAY 2013 * @version 1.0 */ static void WILC_WFI_mgmt_tx_complete(void *priv, int status) { struct p2p_mgmt_data *pv_data = (struct p2p_mgmt_data *)priv; kfree(pv_data->buff); kfree(pv_data); } /** * @brief WILC_WFI_RemainOnChannelReady * @details Callback function, called from handle_remain_on_channel on being ready on channel * @param * @return none * @author Amr abdelmoghny * @date 9 JUNE 2013 * @version */ static void WILC_WFI_RemainOnChannelReady(void *pUserVoid) { struct wilc_priv *priv; priv = (struct wilc_priv *)pUserVoid; PRINT_D(HOSTINF_DBG, "Remain on channel ready\n"); priv->bInP2PlistenState = true; cfg80211_ready_on_channel(priv->wdev, priv->strRemainOnChanParams.u64ListenCookie, priv->strRemainOnChanParams.pstrListenChan, priv->strRemainOnChanParams.u32ListenDuration, GFP_KERNEL); } /** * @brief WILC_WFI_RemainOnChannelExpired * @details Callback function, called on expiration of remain-on-channel duration * @param * @return none * @author Amr abdelmoghny * @date 15 MAY 2013 * @version */ static void WILC_WFI_RemainOnChannelExpired(void *pUserVoid, u32 u32SessionID) { struct wilc_priv *priv; priv = (struct wilc_priv *)pUserVoid; if (u32SessionID == priv->strRemainOnChanParams.u32ListenSessionID) { PRINT_D(GENERIC_DBG, "Remain on channel expired\n"); priv->bInP2PlistenState = false; /*Inform wpas of remain-on-channel expiration*/ cfg80211_remain_on_channel_expired(priv->wdev, priv->strRemainOnChanParams.u64ListenCookie, priv->strRemainOnChanParams.pstrListenChan, GFP_KERNEL); } else { PRINT_D(GENERIC_DBG, "Received ID 0x%x Expected ID 0x%x (No match)\n", u32SessionID , priv->strRemainOnChanParams.u32ListenSessionID); } } /** * @brief remain_on_channel * @details Request the driver to remain awake on the specified * channel for the specified duration to complete an off-channel * operation (e.g., public action frame exchange). When the driver is * ready on the requested channel, it must indicate this with an event * notification by calling cfg80211_ready_on_channel(). * @param[in] * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, unsigned int duration, u64 *cookie) { s32 s32Error = 0; struct wilc_priv *priv; priv = wiphy_priv(wiphy); PRINT_D(GENERIC_DBG, "Remaining on channel %d\n", chan->hw_value); if (wdev->iftype == NL80211_IFTYPE_AP) { PRINT_D(GENERIC_DBG, "Required remain-on-channel while in AP mode"); return s32Error; } curr_channel = chan->hw_value; /*Setting params needed by WILC_WFI_RemainOnChannelExpired()*/ priv->strRemainOnChanParams.pstrListenChan = chan; priv->strRemainOnChanParams.u64ListenCookie = *cookie; priv->strRemainOnChanParams.u32ListenDuration = duration; priv->strRemainOnChanParams.u32ListenSessionID++; s32Error = host_int_remain_on_channel(priv->hWILCWFIDrv , priv->strRemainOnChanParams.u32ListenSessionID , duration , chan->hw_value , WILC_WFI_RemainOnChannelExpired , WILC_WFI_RemainOnChannelReady , (void *)priv); return s32Error; } /** * @brief cancel_remain_on_channel * @details Cancel an on-going remain-on-channel operation. * This allows the operation to be terminated prior to timeout based on * the duration value. * @param[in] struct wiphy *wiphy, * @param[in] struct net_device *dev * @param[in] u64 cookie, * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int cancel_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie) { s32 s32Error = 0; struct wilc_priv *priv; priv = wiphy_priv(wiphy); PRINT_D(CFG80211_DBG, "Cancel remain on channel\n"); s32Error = host_int_ListenStateExpired(priv->hWILCWFIDrv, priv->strRemainOnChanParams.u32ListenSessionID); return s32Error; } /** * @brief WILC_WFI_mgmt_tx_frame * @details * * @param[in] * @return NONE. * @author mdaftedar * @date 01 JUL 2012 * @version */ extern bool bEnablePS; static int mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_mgmt_tx_params *params, u64 *cookie) { struct ieee80211_channel *chan = params->chan; unsigned int wait = params->wait; const u8 *buf = params->buf; size_t len = params->len; const struct ieee80211_mgmt *mgmt; struct p2p_mgmt_data *mgmt_tx; struct wilc_priv *priv; struct host_if_drv *pstrWFIDrv; u32 i; perInterface_wlan_t *nic; u32 buf_len = len + sizeof(u8P2P_vendorspec) + sizeof(u8P2Plocalrandom); nic = netdev_priv(wdev->netdev); priv = wiphy_priv(wiphy); pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; *cookie = (unsigned long)buf; priv->u64tx_cookie = *cookie; mgmt = (const struct ieee80211_mgmt *) buf; if (ieee80211_is_mgmt(mgmt->frame_control)) { /*mgmt frame allocation*/ mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL); if (mgmt_tx == NULL) { PRINT_ER("Failed to allocate memory for mgmt_tx structure\n"); return -EFAULT; } mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL); if (mgmt_tx->buff == NULL) { PRINT_ER("Failed to allocate memory for mgmt_tx buff\n"); kfree(mgmt_tx); return -EFAULT; } memcpy(mgmt_tx->buff, buf, len); mgmt_tx->size = len; if (ieee80211_is_probe_resp(mgmt->frame_control)) { PRINT_D(GENERIC_DBG, "TX: Probe Response\n"); PRINT_D(GENERIC_DBG, "Setting channel: %d\n", chan->hw_value); host_int_set_mac_chnl_num(priv->hWILCWFIDrv, chan->hw_value); /*Save the current channel after we tune to it*/ curr_channel = chan->hw_value; } else if (ieee80211_is_action(mgmt->frame_control)) { PRINT_D(GENERIC_DBG, "ACTION FRAME:%x\n", (u16)mgmt->frame_control); if (buf[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) { /*Only set the channel, if not a negotiation confirmation frame * (If Negotiation confirmation frame, force it * to be transmitted on the same negotiation channel)*/ if (buf[ACTION_SUBTYPE_ID] != PUBLIC_ACT_VENDORSPEC || buf[P2P_PUB_ACTION_SUBTYPE] != GO_NEG_CONF) { PRINT_D(GENERIC_DBG, "Setting channel: %d\n", chan->hw_value); host_int_set_mac_chnl_num(priv->hWILCWFIDrv, chan->hw_value); /*Save the current channel after we tune to it*/ curr_channel = chan->hw_value; } switch (buf[ACTION_SUBTYPE_ID]) { case GAS_INTIAL_REQ: { PRINT_D(GENERIC_DBG, "GAS INITIAL REQ %x\n", buf[ACTION_SUBTYPE_ID]); break; } case GAS_INTIAL_RSP: { PRINT_D(GENERIC_DBG, "GAS INITIAL RSP %x\n", buf[ACTION_SUBTYPE_ID]); break; } case PUBLIC_ACT_VENDORSPEC: { /*Now we have a public action vendor specific action frame, check if its a p2p public action frame * based on the standard its should have the p2p_oui attribute with the following values 50 6f 9A 09*/ if (!memcmp(u8P2P_oui, &buf[ACTION_SUBTYPE_ID + 1], 4)) { /*For the connection of two WILC's connection generate a rand number to determine who will be a GO*/ if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP)) { if (u8P2Plocalrandom == 1 && u8P2Precvrandom < u8P2Plocalrandom) { get_random_bytes(&u8P2Plocalrandom, 1); /*Increment the number to prevent if its 0*/ u8P2Plocalrandom++; } } if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)) { if (u8P2Plocalrandom > u8P2Precvrandom) { PRINT_D(GENERIC_DBG, "LOCAL WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom); /*Search for the p2p information information element , after the Public action subtype theres a byte for teh dialog token, skip that*/ for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) { if (buf[i] == P2PELEM_ATTR_ID && !(memcmp(u8P2P_oui, &buf[i + 2], 4))) { if (buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP) WILC_WFI_CfgParseTxAction(&mgmt_tx->buff[i + 6], len - (i + 6), true, nic->iftype); /*If using supplicant go intent, no need at all*/ /*to parse transmitted negotiation frames*/ else WILC_WFI_CfgParseTxAction(&mgmt_tx->buff[i + 6], len - (i + 6), false, nic->iftype); break; } } if (buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_REQ && buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_RSP) { /* * Adding WILC information element to allow two WILC devices to * identify each other and connect */ memcpy(&mgmt_tx->buff[len], u8P2P_vendorspec, sizeof(u8P2P_vendorspec)); mgmt_tx->buff[len + sizeof(u8P2P_vendorspec)] = u8P2Plocalrandom; mgmt_tx->size = buf_len; } } else PRINT_D(GENERIC_DBG, "PEER WILL BE GO LocaRand=%02x RecvRand %02x\n", u8P2Plocalrandom, u8P2Precvrandom); } } else { PRINT_D(GENERIC_DBG, "Not a P2P public action frame\n"); } break; } default: { PRINT_D(GENERIC_DBG, "NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n", buf[ACTION_SUBTYPE_ID]); break; } } } PRINT_D(GENERIC_DBG, "TX: ACTION FRAME Type:%x : Chan:%d\n", buf[ACTION_SUBTYPE_ID], chan->hw_value); pstrWFIDrv->u64P2p_MgmtTimeout = (jiffies + msecs_to_jiffies(wait)); PRINT_D(GENERIC_DBG, "Current Jiffies: %lu Timeout:%llu\n", jiffies, pstrWFIDrv->u64P2p_MgmtTimeout); } wilc_wlan_txq_add_mgmt_pkt(mgmt_tx, mgmt_tx->buff, mgmt_tx->size, WILC_WFI_mgmt_tx_complete); } else { PRINT_D(GENERIC_DBG, "This function transmits only management frames\n"); } return 0; } static int mgmt_tx_cancel_wait(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie) { struct wilc_priv *priv; struct host_if_drv *pstrWFIDrv; priv = wiphy_priv(wiphy); pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; PRINT_D(GENERIC_DBG, "Tx Cancel wait :%lu\n", jiffies); pstrWFIDrv->u64P2p_MgmtTimeout = jiffies; if (!priv->bInP2PlistenState) { cfg80211_remain_on_channel_expired(priv->wdev, priv->strRemainOnChanParams.u64ListenCookie, priv->strRemainOnChanParams.pstrListenChan, GFP_KERNEL); } return 0; } /** * @brief wilc_mgmt_frame_register * @details Notify driver that a management frame type was * registered. Note that this callback may not sleep, and cannot run * concurrently with itself. * @param[in] * @return NONE. * @author mdaftedar * @date 01 JUL 2012 * @version */ void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, u16 frame_type, bool reg) { struct wilc_priv *priv; perInterface_wlan_t *nic; struct wilc *wl; priv = wiphy_priv(wiphy); nic = netdev_priv(priv->wdev->netdev); wl = nic->wilc; if (!frame_type) return; PRINT_D(GENERIC_DBG, "Frame registering Frame Type: %x: Boolean: %d\n", frame_type, reg); switch (frame_type) { case PROBE_REQ: { nic->g_struct_frame_reg[0].frame_type = frame_type; nic->g_struct_frame_reg[0].reg = reg; } break; case ACTION: { nic->g_struct_frame_reg[1].frame_type = frame_type; nic->g_struct_frame_reg[1].reg = reg; } break; default: { break; } } /*If mac is closed, then return*/ if (!wl->initialized) { PRINT_D(GENERIC_DBG, "Return since mac is closed\n"); return; } host_int_frame_register(priv->hWILCWFIDrv, frame_type, reg); } /** * @brief set_cqm_rssi_config * @details Configure connection quality monitor RSSI threshold. * @param[in] struct wiphy *wiphy: * @param[in] struct net_device *dev: * @param[in] s32 rssi_thold: * @param[in] u32 rssi_hyst: * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, s32 rssi_thold, u32 rssi_hyst) { PRINT_D(CFG80211_DBG, "Setting CQM RSSi Function\n"); return 0; } /** * @brief dump_station * @details Configure connection quality monitor RSSI threshold. * @param[in] struct wiphy *wiphy: * @param[in] struct net_device *dev * @param[in] int idx * @param[in] u8 *mac * @param[in] struct station_info *sinfo * @return int : Return 0 on Success * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct wilc_priv *priv; PRINT_D(CFG80211_DBG, "Dumping station information\n"); if (idx != 0) return -ENOENT; priv = wiphy_priv(wiphy); sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); host_int_get_rssi(priv->hWILCWFIDrv, &(sinfo->signal)); return 0; } /** * @brief set_power_mgmt * @details * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 JUL 2012 * @version 1.0 */ static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { struct wilc_priv *priv; PRINT_D(CFG80211_DBG, " Power save Enabled= %d , TimeOut = %d\n", enabled, timeout); if (wiphy == NULL) return -ENOENT; priv = wiphy_priv(wiphy); if (priv->hWILCWFIDrv == NULL) { PRINT_ER("Driver is NULL\n"); return -EIO; } if (bEnablePS) host_int_set_power_mgmt(priv->hWILCWFIDrv, enabled, timeout); return 0; } /** * @brief change_virtual_intf * @details Change type/configuration of virtual interface, * keep the struct wireless_dev's iftype updated. * @param[in] NONE * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic); static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { struct wilc_priv *priv; perInterface_wlan_t *nic; u8 interface_type; u16 TID = 0; u8 i; struct wilc *wl; nic = netdev_priv(dev); priv = wiphy_priv(wiphy); wl = nic->wilc; PRINT_D(HOSTAPD_DBG, "In Change virtual interface function\n"); PRINT_D(HOSTAPD_DBG, "Wireless interface name =%s\n", dev->name); u8P2Plocalrandom = 0x01; u8P2Precvrandom = 0x00; bWilc_ie = false; g_obtainingIP = false; del_timer(&hDuringIpTimer); PRINT_D(GENERIC_DBG, "Changing virtual interface, enable scan\n"); /*Set WILC_CHANGING_VIR_IF register to disallow adding futrue keys to CE H/W*/ if (g_ptk_keys_saved && g_gtk_keys_saved) { Set_machw_change_vir_if(dev, true); } switch (type) { case NL80211_IFTYPE_STATION: connecting = 0; PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_STATION\n"); /* send delba over wlan interface */ dev->ieee80211_ptr->iftype = type; priv->wdev->iftype = type; nic->monitor_flag = 0; nic->iftype = STATION_MODE; /*Remove the enteries of the previously connected clients*/ memset(priv->assoc_stainfo.au8Sta_AssociatedBss, 0, MAX_NUM_STA * ETH_ALEN); interface_type = nic->iftype; nic->iftype = STATION_MODE; if (wl->initialized) { host_int_del_All_Rx_BASession(priv->hWILCWFIDrv, wl->vif[0].bssid, TID); /* ensure that the message Q is empty */ host_int_wait_msg_queue_idle(); /*Eliminate host interface blocking state*/ up(&wl->cfg_event); wilc1000_wlan_deinit(dev); wilc1000_wlan_init(dev, nic); g_wilc_initialized = 1; nic->iftype = interface_type; /*Setting interface 1 drv handler and mac address in newly downloaded FW*/ host_int_set_wfi_drv_handler(wl->vif[0].hif_drv); host_int_set_MacAddress(wl->vif[0].hif_drv, wl->vif[0].src_addr); host_int_set_operation_mode(priv->hWILCWFIDrv, STATION_MODE); /*Add saved WEP keys, if any*/ if (g_wep_keys_saved) { host_int_set_wep_default_key(wl->vif[0].hif_drv, g_key_wep_params.key_idx); host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv, g_key_wep_params.key, g_key_wep_params.key_len, g_key_wep_params.key_idx); } /*No matter the driver handler passed here, it will be overwriiten*/ /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/ host_int_flush_join_req(priv->hWILCWFIDrv); /*Add saved PTK and GTK keys, if any*/ if (g_ptk_keys_saved && g_gtk_keys_saved) { PRINT_D(CFG80211_DBG, "ptk %x %x %x\n", g_key_ptk_params.key[0], g_key_ptk_params.key[1], g_key_ptk_params.key[2]); PRINT_D(CFG80211_DBG, "gtk %x %x %x\n", g_key_gtk_params.key[0], g_key_gtk_params.key[1], g_key_gtk_params.key[2]); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_ptk_key_params.key_idx, g_add_ptk_key_params.pairwise, g_add_ptk_key_params.mac_addr, (struct key_params *)(&g_key_ptk_params)); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_gtk_key_params.key_idx, g_add_gtk_key_params.pairwise, g_add_gtk_key_params.mac_addr, (struct key_params *)(&g_key_gtk_params)); } if (wl->initialized) { for (i = 0; i < num_reg_frame; i++) { PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); host_int_frame_register(priv->hWILCWFIDrv, nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); } } bEnablePS = true; host_int_set_power_mgmt(priv->hWILCWFIDrv, 1, 0); } break; case NL80211_IFTYPE_P2P_CLIENT: bEnablePS = false; host_int_set_power_mgmt(priv->hWILCWFIDrv, 0, 0); connecting = 0; PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_P2P_CLIENT\n"); host_int_del_All_Rx_BASession(priv->hWILCWFIDrv, wl->vif[0].bssid, TID); dev->ieee80211_ptr->iftype = type; priv->wdev->iftype = type; nic->monitor_flag = 0; PRINT_D(HOSTAPD_DBG, "Downloading P2P_CONCURRENCY_FIRMWARE\n"); nic->iftype = CLIENT_MODE; if (wl->initialized) { /* ensure that the message Q is empty */ host_int_wait_msg_queue_idle(); wilc1000_wlan_deinit(dev); wilc1000_wlan_init(dev, nic); g_wilc_initialized = 1; host_int_set_wfi_drv_handler(wl->vif[0].hif_drv); host_int_set_MacAddress(wl->vif[0].hif_drv, wl->vif[0].src_addr); host_int_set_operation_mode(priv->hWILCWFIDrv, STATION_MODE); /*Add saved WEP keys, if any*/ if (g_wep_keys_saved) { host_int_set_wep_default_key(wl->vif[0].hif_drv, g_key_wep_params.key_idx); host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv, g_key_wep_params.key, g_key_wep_params.key_len, g_key_wep_params.key_idx); } /*No matter the driver handler passed here, it will be overwriiten*/ /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/ host_int_flush_join_req(priv->hWILCWFIDrv); /*Add saved PTK and GTK keys, if any*/ if (g_ptk_keys_saved && g_gtk_keys_saved) { PRINT_D(CFG80211_DBG, "ptk %x %x %x\n", g_key_ptk_params.key[0], g_key_ptk_params.key[1], g_key_ptk_params.key[2]); PRINT_D(CFG80211_DBG, "gtk %x %x %x\n", g_key_gtk_params.key[0], g_key_gtk_params.key[1], g_key_gtk_params.key[2]); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_ptk_key_params.key_idx, g_add_ptk_key_params.pairwise, g_add_ptk_key_params.mac_addr, (struct key_params *)(&g_key_ptk_params)); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_gtk_key_params.key_idx, g_add_gtk_key_params.pairwise, g_add_gtk_key_params.mac_addr, (struct key_params *)(&g_key_gtk_params)); } /*Refresh scan, to refresh the scan results to the wpa_supplicant. Set MachHw to false to enable further key installments*/ refresh_scan(priv, 1, true); Set_machw_change_vir_if(dev, false); if (wl->initialized) { for (i = 0; i < num_reg_frame; i++) { PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); host_int_frame_register(priv->hWILCWFIDrv, nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); } } } break; case NL80211_IFTYPE_AP: bEnablePS = false; PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_AP %d\n", type); dev->ieee80211_ptr->iftype = type; priv->wdev->iftype = type; nic->iftype = AP_MODE; PRINT_D(CORECONFIG_DBG, "priv->hWILCWFIDrv[%p]\n", priv->hWILCWFIDrv); PRINT_D(HOSTAPD_DBG, "Downloading AP firmware\n"); linux_wlan_get_firmware(nic); /*If wilc is running, then close-open to actually get new firmware running (serves P2P)*/ if (wl->initialized) { nic->iftype = AP_MODE; mac_close(dev); mac_open(dev); for (i = 0; i < num_reg_frame; i++) { PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); host_int_frame_register(priv->hWILCWFIDrv, nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); } } break; case NL80211_IFTYPE_P2P_GO: PRINT_D(GENERIC_DBG, "start duringIP timer\n"); g_obtainingIP = true; mod_timer(&hDuringIpTimer, jiffies + msecs_to_jiffies(duringIP_TIME)); host_int_set_power_mgmt(priv->hWILCWFIDrv, 0, 0); /*Delete block ack has to be the latest config packet*/ /*sent before downloading new FW. This is because it blocks on*/ /*hWaitResponse semaphore, which allows previous config*/ /*packets to actually take action on old FW*/ host_int_del_All_Rx_BASession(priv->hWILCWFIDrv, wl->vif[0].bssid, TID); bEnablePS = false; PRINT_D(HOSTAPD_DBG, "Interface type = NL80211_IFTYPE_GO\n"); dev->ieee80211_ptr->iftype = type; priv->wdev->iftype = type; PRINT_D(CORECONFIG_DBG, "priv->hWILCWFIDrv[%p]\n", priv->hWILCWFIDrv); PRINT_D(HOSTAPD_DBG, "Downloading P2P_CONCURRENCY_FIRMWARE\n"); nic->iftype = GO_MODE; /* ensure that the message Q is empty */ host_int_wait_msg_queue_idle(); wilc1000_wlan_deinit(dev); wilc1000_wlan_init(dev, nic); g_wilc_initialized = 1; /*Setting interface 1 drv handler and mac address in newly downloaded FW*/ host_int_set_wfi_drv_handler(wl->vif[0].hif_drv); host_int_set_MacAddress(wl->vif[0].hif_drv, wl->vif[0].src_addr); host_int_set_operation_mode(priv->hWILCWFIDrv, AP_MODE); /*Add saved WEP keys, if any*/ if (g_wep_keys_saved) { host_int_set_wep_default_key(wl->vif[0].hif_drv, g_key_wep_params.key_idx); host_int_add_wep_key_bss_sta(wl->vif[0].hif_drv, g_key_wep_params.key, g_key_wep_params.key_len, g_key_wep_params.key_idx); } /*No matter the driver handler passed here, it will be overwriiten*/ /*in Handle_FlushConnect() with gu8FlushedJoinReqDrvHandler*/ host_int_flush_join_req(priv->hWILCWFIDrv); /*Add saved PTK and GTK keys, if any*/ if (g_ptk_keys_saved && g_gtk_keys_saved) { PRINT_D(CFG80211_DBG, "ptk %x %x %x cipher %x\n", g_key_ptk_params.key[0], g_key_ptk_params.key[1], g_key_ptk_params.key[2], g_key_ptk_params.cipher); PRINT_D(CFG80211_DBG, "gtk %x %x %x cipher %x\n", g_key_gtk_params.key[0], g_key_gtk_params.key[1], g_key_gtk_params.key[2], g_key_gtk_params.cipher); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_ptk_key_params.key_idx, g_add_ptk_key_params.pairwise, g_add_ptk_key_params.mac_addr, (struct key_params *)(&g_key_ptk_params)); add_key(wl->vif[0].ndev->ieee80211_ptr->wiphy, wl->vif[0].ndev, g_add_gtk_key_params.key_idx, g_add_gtk_key_params.pairwise, g_add_gtk_key_params.mac_addr, (struct key_params *)(&g_key_gtk_params)); } if (wl->initialized) { for (i = 0; i < num_reg_frame; i++) { PRINT_D(INIT_DBG, "Frame registering Type: %x - Reg: %d\n", nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); host_int_frame_register(priv->hWILCWFIDrv, nic->g_struct_frame_reg[i].frame_type, nic->g_struct_frame_reg[i].reg); } } break; default: PRINT_ER("Unknown interface type= %d\n", type); return -EINVAL; } return 0; } /* (austin.2013-07-23) * * To support revised cfg80211_ops * * add_beacon --> start_ap * set_beacon --> change_beacon * del_beacon --> stop_ap * * beacon_parameters --> cfg80211_ap_settings * cfg80211_beacon_data * * applicable for linux kernel 3.4+ */ /** * @brief start_ap * @details Add a beacon with given parameters, @head, @interval * and @dtim_period will be valid, @tail is optional. * @param[in] wiphy * @param[in] dev The net device structure * @param[in] settings cfg80211_ap_settings parameters for the beacon to be added * @return int : Return 0 on Success. * @author austin * @date 23 JUL 2013 * @version 1.0 */ static int start_ap(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *settings) { struct cfg80211_beacon_data *beacon = &(settings->beacon); struct wilc_priv *priv; s32 s32Error = 0; struct wilc *wl; perInterface_wlan_t *nic; priv = wiphy_priv(wiphy); nic = netdev_priv(dev); wl = nic->wilc; PRINT_D(HOSTAPD_DBG, "Starting ap\n"); PRINT_D(HOSTAPD_DBG, "Interval = %d\n DTIM period = %d\n Head length = %zu Tail length = %zu\n", settings->beacon_interval, settings->dtim_period, beacon->head_len, beacon->tail_len); s32Error = set_channel(wiphy, &settings->chandef); if (s32Error != 0) PRINT_ER("Error in setting channel\n"); linux_wlan_set_bssid(dev, wl->vif[0].src_addr); s32Error = host_int_add_beacon(priv->hWILCWFIDrv, settings->beacon_interval, settings->dtim_period, beacon->head_len, (u8 *)beacon->head, beacon->tail_len, (u8 *)beacon->tail); return s32Error; } /** * @brief change_beacon * @details Add a beacon with given parameters, @head, @interval * and @dtim_period will be valid, @tail is optional. * @param[in] wiphy * @param[in] dev The net device structure * @param[in] beacon cfg80211_beacon_data for the beacon to be changed * @return int : Return 0 on Success. * @author austin * @date 23 JUL 2013 * @version 1.0 */ static int change_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *beacon) { struct wilc_priv *priv; s32 s32Error = 0; priv = wiphy_priv(wiphy); PRINT_D(HOSTAPD_DBG, "Setting beacon\n"); s32Error = host_int_add_beacon(priv->hWILCWFIDrv, 0, 0, beacon->head_len, (u8 *)beacon->head, beacon->tail_len, (u8 *)beacon->tail); return s32Error; } /** * @brief stop_ap * @details Remove beacon configuration and stop sending the beacon. * @param[in] * @return int : Return 0 on Success. * @author austin * @date 23 JUL 2013 * @version 1.0 */ static int stop_ap(struct wiphy *wiphy, struct net_device *dev) { s32 s32Error = 0; struct wilc_priv *priv; u8 NullBssid[ETH_ALEN] = {0}; if (!wiphy) return -EFAULT; priv = wiphy_priv(wiphy); PRINT_D(HOSTAPD_DBG, "Deleting beacon\n"); linux_wlan_set_bssid(dev, NullBssid); s32Error = host_int_del_beacon(priv->hWILCWFIDrv); if (s32Error) PRINT_ER("Host delete beacon fail\n"); return s32Error; } /** * @brief add_station * @details Add a new station. * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int add_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { s32 s32Error = 0; struct wilc_priv *priv; struct add_sta_param strStaParams = { {0} }; perInterface_wlan_t *nic; if (!wiphy) return -EFAULT; priv = wiphy_priv(wiphy); nic = netdev_priv(dev); if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) { memcpy(strStaParams.au8BSSID, mac, ETH_ALEN); memcpy(priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid], mac, ETH_ALEN); strStaParams.u16AssocID = params->aid; strStaParams.u8NumRates = params->supported_rates_len; strStaParams.pu8Rates = params->supported_rates; PRINT_D(CFG80211_DBG, "Adding station parameters %d\n", params->aid); PRINT_D(CFG80211_DBG, "BSSID = %x%x%x%x%x%x\n", priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][0], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][1], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][2], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][3], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][4], priv->assoc_stainfo.au8Sta_AssociatedBss[params->aid][5]); PRINT_D(HOSTAPD_DBG, "ASSOC ID = %d\n", strStaParams.u16AssocID); PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.u8NumRates); if (params->ht_capa == NULL) { strStaParams.bIsHTSupported = false; } else { strStaParams.bIsHTSupported = true; strStaParams.u16HTCapInfo = params->ht_capa->cap_info; strStaParams.u8AmpduParams = params->ht_capa->ampdu_params_info; memcpy(strStaParams.au8SuppMCsSet, ¶ms->ht_capa->mcs, WILC_SUPP_MCS_SET_SIZE); strStaParams.u16HTExtParams = params->ht_capa->extended_ht_cap_info; strStaParams.u32TxBeamformingCap = params->ht_capa->tx_BF_cap_info; strStaParams.u8ASELCap = params->ht_capa->antenna_selection_info; } strStaParams.u16FlagsMask = params->sta_flags_mask; strStaParams.u16FlagsSet = params->sta_flags_set; PRINT_D(HOSTAPD_DBG, "IS HT supported = %d\n", strStaParams.bIsHTSupported); PRINT_D(HOSTAPD_DBG, "Capability Info = %d\n", strStaParams.u16HTCapInfo); PRINT_D(HOSTAPD_DBG, "AMPDU Params = %d\n", strStaParams.u8AmpduParams); PRINT_D(HOSTAPD_DBG, "HT Extended params = %d\n", strStaParams.u16HTExtParams); PRINT_D(HOSTAPD_DBG, "Tx Beamforming Cap = %d\n", strStaParams.u32TxBeamformingCap); PRINT_D(HOSTAPD_DBG, "Antenna selection info = %d\n", strStaParams.u8ASELCap); PRINT_D(HOSTAPD_DBG, "Flag Mask = %d\n", strStaParams.u16FlagsMask); PRINT_D(HOSTAPD_DBG, "Flag Set = %d\n", strStaParams.u16FlagsSet); s32Error = host_int_add_station(priv->hWILCWFIDrv, &strStaParams); if (s32Error) PRINT_ER("Host add station fail\n"); } return s32Error; } /** * @brief del_station * @details Remove a station; @mac may be NULL to remove all stations. * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int del_station(struct wiphy *wiphy, struct net_device *dev, struct station_del_parameters *params) { const u8 *mac = params->mac; s32 s32Error = 0; struct wilc_priv *priv; perInterface_wlan_t *nic; if (!wiphy) return -EFAULT; priv = wiphy_priv(wiphy); nic = netdev_priv(dev); if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) { PRINT_D(HOSTAPD_DBG, "Deleting station\n"); if (mac == NULL) { PRINT_D(HOSTAPD_DBG, "All associated stations\n"); s32Error = host_int_del_allstation(priv->hWILCWFIDrv, priv->assoc_stainfo.au8Sta_AssociatedBss); } else { PRINT_D(HOSTAPD_DBG, "With mac address: %x%x%x%x%x%x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); } s32Error = host_int_del_station(priv->hWILCWFIDrv, mac); if (s32Error) PRINT_ER("Host delete station fail\n"); } return s32Error; } /** * @brief change_station * @details Modify a given station. * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ static int change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { s32 s32Error = 0; struct wilc_priv *priv; struct add_sta_param strStaParams = { {0} }; perInterface_wlan_t *nic; PRINT_D(HOSTAPD_DBG, "Change station paramters\n"); if (!wiphy) return -EFAULT; priv = wiphy_priv(wiphy); nic = netdev_priv(dev); if (nic->iftype == AP_MODE || nic->iftype == GO_MODE) { memcpy(strStaParams.au8BSSID, mac, ETH_ALEN); strStaParams.u16AssocID = params->aid; strStaParams.u8NumRates = params->supported_rates_len; strStaParams.pu8Rates = params->supported_rates; PRINT_D(HOSTAPD_DBG, "BSSID = %x%x%x%x%x%x\n", strStaParams.au8BSSID[0], strStaParams.au8BSSID[1], strStaParams.au8BSSID[2], strStaParams.au8BSSID[3], strStaParams.au8BSSID[4], strStaParams.au8BSSID[5]); PRINT_D(HOSTAPD_DBG, "ASSOC ID = %d\n", strStaParams.u16AssocID); PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.u8NumRates); if (params->ht_capa == NULL) { strStaParams.bIsHTSupported = false; } else { strStaParams.bIsHTSupported = true; strStaParams.u16HTCapInfo = params->ht_capa->cap_info; strStaParams.u8AmpduParams = params->ht_capa->ampdu_params_info; memcpy(strStaParams.au8SuppMCsSet, ¶ms->ht_capa->mcs, WILC_SUPP_MCS_SET_SIZE); strStaParams.u16HTExtParams = params->ht_capa->extended_ht_cap_info; strStaParams.u32TxBeamformingCap = params->ht_capa->tx_BF_cap_info; strStaParams.u8ASELCap = params->ht_capa->antenna_selection_info; } strStaParams.u16FlagsMask = params->sta_flags_mask; strStaParams.u16FlagsSet = params->sta_flags_set; PRINT_D(HOSTAPD_DBG, "IS HT supported = %d\n", strStaParams.bIsHTSupported); PRINT_D(HOSTAPD_DBG, "Capability Info = %d\n", strStaParams.u16HTCapInfo); PRINT_D(HOSTAPD_DBG, "AMPDU Params = %d\n", strStaParams.u8AmpduParams); PRINT_D(HOSTAPD_DBG, "HT Extended params = %d\n", strStaParams.u16HTExtParams); PRINT_D(HOSTAPD_DBG, "Tx Beamforming Cap = %d\n", strStaParams.u32TxBeamformingCap); PRINT_D(HOSTAPD_DBG, "Antenna selection info = %d\n", strStaParams.u8ASELCap); PRINT_D(HOSTAPD_DBG, "Flag Mask = %d\n", strStaParams.u16FlagsMask); PRINT_D(HOSTAPD_DBG, "Flag Set = %d\n", strStaParams.u16FlagsSet); s32Error = host_int_edit_station(priv->hWILCWFIDrv, &strStaParams); if (s32Error) PRINT_ER("Host edit station fail\n"); } return s32Error; } /** * @brief add_virtual_intf * @details * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 JUL 2012 * @version 1.0 */ static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { perInterface_wlan_t *nic; struct wilc_priv *priv; struct net_device *new_ifc = NULL; priv = wiphy_priv(wiphy); PRINT_D(HOSTAPD_DBG, "Adding monitor interface[%p]\n", priv->wdev->netdev); nic = netdev_priv(priv->wdev->netdev); if (type == NL80211_IFTYPE_MONITOR) { PRINT_D(HOSTAPD_DBG, "Monitor interface mode: Initializing mon interface virtual device driver\n"); PRINT_D(HOSTAPD_DBG, "Adding monitor interface[%p]\n", nic->wilc_netdev); new_ifc = WILC_WFI_init_mon_interface(name, nic->wilc_netdev); if (new_ifc != NULL) { PRINT_D(HOSTAPD_DBG, "Setting monitor flag in private structure\n"); nic = netdev_priv(priv->wdev->netdev); nic->monitor_flag = 1; } else PRINT_ER("Error in initializing monitor interface\n "); } return priv->wdev; } /** * @brief del_virtual_intf * @details * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 JUL 2012 * @version 1.0 */ static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) { PRINT_D(HOSTAPD_DBG, "Deleting virtual interface\n"); return 0; } static struct cfg80211_ops wilc_cfg80211_ops = { .set_monitor_channel = set_channel, .scan = scan, .connect = connect, .disconnect = disconnect, .add_key = add_key, .del_key = del_key, .get_key = get_key, .set_default_key = set_default_key, .add_virtual_intf = add_virtual_intf, .del_virtual_intf = del_virtual_intf, .change_virtual_intf = change_virtual_intf, .start_ap = start_ap, .change_beacon = change_beacon, .stop_ap = stop_ap, .add_station = add_station, .del_station = del_station, .change_station = change_station, .get_station = get_station, .dump_station = dump_station, .change_bss = change_bss, .set_wiphy_params = set_wiphy_params, .set_pmksa = set_pmksa, .del_pmksa = del_pmksa, .flush_pmksa = flush_pmksa, .remain_on_channel = remain_on_channel, .cancel_remain_on_channel = cancel_remain_on_channel, .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait, .mgmt_tx = mgmt_tx, .mgmt_frame_register = wilc_mgmt_frame_register, .set_power_mgmt = set_power_mgmt, .set_cqm_rssi_config = set_cqm_rssi_config, }; /** * @brief WILC_WFI_update_stats * @details Modify parameters for a given BSS. * @param[in] * @return int : Return 0 on Success. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ int WILC_WFI_update_stats(struct wiphy *wiphy, u32 pktlen, u8 changed) { struct wilc_priv *priv; priv = wiphy_priv(wiphy); switch (changed) { case WILC_WFI_RX_PKT: { priv->netstats.rx_packets++; priv->netstats.rx_bytes += pktlen; priv->netstats.rx_time = get_jiffies_64(); } break; case WILC_WFI_TX_PKT: { priv->netstats.tx_packets++; priv->netstats.tx_bytes += pktlen; priv->netstats.tx_time = get_jiffies_64(); } break; default: break; } return 0; } /** * @brief WILC_WFI_CfgAlloc * @details Allocation of the wireless device structure and assigning it * to the cfg80211 operations structure. * @param[in] NONE * @return wireless_dev : Returns pointer to wireless_dev structure. * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ struct wireless_dev *WILC_WFI_CfgAlloc(void) { struct wireless_dev *wdev; PRINT_D(CFG80211_DBG, "Allocating wireless device\n"); /*Allocating the wireless device structure*/ wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) { PRINT_ER("Cannot allocate wireless device\n"); goto _fail_; } /*Creating a new wiphy, linking wireless structure with the wiphy structure*/ wdev->wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(struct wilc_priv)); if (!wdev->wiphy) { PRINT_ER("Cannot allocate wiphy\n"); goto _fail_mem_; } /* enable 802.11n HT */ WILC_WFI_band_2ghz.ht_cap.ht_supported = 1; WILC_WFI_band_2ghz.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); WILC_WFI_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; WILC_WFI_band_2ghz.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K; WILC_WFI_band_2ghz.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; /*wiphy bands*/ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &WILC_WFI_band_2ghz; return wdev; _fail_mem_: kfree(wdev); _fail_: return NULL; } /** * @brief wilc_create_wiphy * @details Registering of the wiphy structure and interface modes * @param[in] NONE * @return NONE * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ struct wireless_dev *wilc_create_wiphy(struct net_device *net) { struct wilc_priv *priv; struct wireless_dev *wdev; s32 s32Error = 0; PRINT_D(CFG80211_DBG, "Registering wifi device\n"); wdev = WILC_WFI_CfgAlloc(); if (wdev == NULL) { PRINT_ER("CfgAlloc Failed\n"); return NULL; } /*Return hardware description structure (wiphy)'s priv*/ priv = wdev_priv(wdev); sema_init(&(priv->SemHandleUpdateStats), 1); /*Link the wiphy with wireless structure*/ priv->wdev = wdev; /*Maximum number of probed ssid to be added by user for the scan request*/ wdev->wiphy->max_scan_ssids = MAX_NUM_PROBED_SSID; /*Maximum number of pmkids to be cashed*/ wdev->wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS; PRINT_INFO(CFG80211_DBG, "Max number of PMKIDs = %d\n", wdev->wiphy->max_num_pmkids); wdev->wiphy->max_scan_ie_len = 1000; /*signal strength in mBm (100*dBm) */ wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; /*Set the availaible cipher suites*/ wdev->wiphy->cipher_suites = cipher_suites; wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); /*Setting default managment types: for register action frame: */ wdev->wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types; wdev->wiphy->max_remain_on_channel_duration = 500; /*Setting the wiphy interfcae mode and type before registering the wiphy*/ wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MONITOR) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT); wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; wdev->iftype = NL80211_IFTYPE_STATION; PRINT_INFO(CFG80211_DBG, "Max scan ids = %d,Max scan IE len = %d,Signal Type = %d,Interface Modes = %d,Interface Type = %d\n", wdev->wiphy->max_scan_ssids, wdev->wiphy->max_scan_ie_len, wdev->wiphy->signal_type, wdev->wiphy->interface_modes, wdev->iftype); #ifdef WILC_SDIO set_wiphy_dev(wdev->wiphy, &local_sdio_func->dev); #endif /*Register wiphy structure*/ s32Error = wiphy_register(wdev->wiphy); if (s32Error) { PRINT_ER("Cannot register wiphy device\n"); /*should define what action to be taken in such failure*/ } else { PRINT_D(CFG80211_DBG, "Successful Registering\n"); } priv->dev = net; return wdev; } /** * @brief WILC_WFI_WiphyFree * @details Freeing allocation of the wireless device structure * @param[in] NONE * @return NONE * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ int wilc_init_host_int(struct net_device *net) { int s32Error = 0; struct wilc_priv *priv; PRINT_D(INIT_DBG, "Host[%p][%p]\n", net, net->ieee80211_ptr); priv = wdev_priv(net->ieee80211_ptr); if (op_ifcs == 0) { setup_timer(&hAgingTimer, remove_network_from_shadow, 0); setup_timer(&hDuringIpTimer, clear_duringIP, 0); } op_ifcs++; if (s32Error < 0) { PRINT_ER("Failed to creat refresh Timer\n"); return s32Error; } priv->gbAutoRateAdjusted = false; priv->bInP2PlistenState = false; sema_init(&(priv->hSemScanReq), 1); s32Error = host_int_init(net, &priv->hWILCWFIDrv); if (s32Error) PRINT_ER("Error while initializing hostinterface\n"); return s32Error; } /** * @brief WILC_WFI_WiphyFree * @details Freeing allocation of the wireless device structure * @param[in] NONE * @return NONE * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ int wilc_deinit_host_int(struct net_device *net) { int s32Error = 0; struct wilc_priv *priv; priv = wdev_priv(net->ieee80211_ptr); priv->gbAutoRateAdjusted = false; priv->bInP2PlistenState = false; op_ifcs--; s32Error = host_int_deinit(priv->hWILCWFIDrv); /* Clear the Shadow scan */ clear_shadow_scan(priv); if (op_ifcs == 0) { PRINT_D(CORECONFIG_DBG, "destroy during ip\n"); del_timer_sync(&hDuringIpTimer); } if (s32Error) PRINT_ER("Error while deintializing host interface\n"); return s32Error; } /** * @brief WILC_WFI_WiphyFree * @details Freeing allocation of the wireless device structure * @param[in] NONE * @return NONE * @author mdaftedar * @date 01 MAR 2012 * @version 1.0 */ void wilc_free_wiphy(struct net_device *net) { PRINT_D(CFG80211_DBG, "Unregistering wiphy\n"); if (!net) { PRINT_D(INIT_DBG, "net_device is NULL\n"); return; } if (!net->ieee80211_ptr) { PRINT_D(INIT_DBG, "ieee80211_ptr is NULL\n"); return; } if (!net->ieee80211_ptr->wiphy) { PRINT_D(INIT_DBG, "wiphy is NULL\n"); return; } wiphy_unregister(net->ieee80211_ptr->wiphy); PRINT_D(INIT_DBG, "Freeing wiphy\n"); wiphy_free(net->ieee80211_ptr->wiphy); kfree(net->ieee80211_ptr); }