/* * STA and AP APIs for XRadio drivers * * Copyright (c) 2013 * Xradio Technology Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "xradio.h" #include "sta.h" #include "ap.h" #include "bh.h" #include "net/mac80211.h" #define XRADIO_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ)) #define XRADIO_ENABLE_ARP_FILTER_OFFLOAD 3 #ifndef ERP_INFO_BYTE_OFFSET #define ERP_INFO_BYTE_OFFSET 2 #endif #ifdef IPV6_FILTERING #define XRADIO_ENABLE_NDP_FILTER_OFFLOAD 3 #endif /*IPV6_FILTERING */ static int xradio_upload_beacon(struct xradio_vif *priv); #ifdef PROBE_RESP_EXTRA_IE static int xradio_upload_proberesp(struct xradio_vif *priv); #endif static int xradio_upload_pspoll(struct xradio_vif *priv); static int xradio_upload_null(struct xradio_vif *priv); static int xradio_upload_qosnull(struct xradio_vif *priv); static int xradio_start_ap(struct xradio_vif *priv); static int xradio_update_beaconing(struct xradio_vif *priv); /* static int xradio_enable_beaconing(struct xradio_vif *priv, bool enable); */ static void __xradio_sta_notify(struct xradio_vif *priv, enum sta_notify_cmd notify_cmd, int link_id); /* ******************************************************************** */ /* AP API */ int xradio_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct xradio_sta_priv *sta_priv = (struct xradio_sta_priv *)&sta->drv_priv; struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif); struct xradio_link_entry *entry; struct sk_buff *skb; #ifdef AP_AGGREGATE_FW_FIX struct xradio_common *hw_priv = hw->priv; #endif ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (!atomic_read(&priv->enabled)) { ap_printk(XRADIO_DBG_NIY, "%s vif(type=%d) is not enable!\n", __func__, vif->type); return 0; } #ifdef P2P_MULTIVIF SYS_WARN(priv->if_id == XRWL_GENERIC_IF_ID); #endif if (priv->mode != NL80211_IFTYPE_AP) { return 0; } sta_priv->priv = priv; sta_priv->link_id = xradio_find_link_id(priv, sta->addr); if (SYS_WARN(!sta_priv->link_id)) { /* Impossible error */ ap_printk(XRADIO_DBG_ERROR, "No more link IDs available.\n"); return -ENOENT; } entry = &priv->link_id_db[sta_priv->link_id - 1]; spin_lock_bh(&priv->ps_state_lock); if ((sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) == IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) { priv->sta_asleep_mask |= BIT(sta_priv->link_id); } entry->status = XRADIO_LINK_HARD; while ((skb = skb_dequeue(&entry->rx_queue))) mac80211_rx_irqsafe(priv->hw, skb); spin_unlock_bh(&priv->ps_state_lock); #ifdef AP_AGGREGATE_FW_FIX hw_priv->connected_sta_cnt++; if (hw_priv->connected_sta_cnt > 1 && WSM_VERSION_BF(hw_priv->wsm_caps, 8, 39)) { wsm_lock_tx(hw_priv); SYS_WARN(wsm_set_block_ack_policy(hw_priv, XRADIO_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID, XRADIO_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID, priv->if_id)); wsm_unlock_tx(hw_priv); ap_printk(XRADIO_DBG_WARN, "%s: disable BA.\n", __func__); } #endif return 0; } int xradio_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct xradio_common *hw_priv = hw->priv; struct xradio_sta_priv *sta_priv = (struct xradio_sta_priv *)&sta->drv_priv; struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif); struct xradio_link_entry *entry; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (!atomic_read(&priv->enabled)) { ap_printk(XRADIO_DBG_NIY, "%s vif(type=%d) is not enable!\n", __func__, vif->type); return 0; } #ifdef P2P_MULTIVIF SYS_WARN(priv->if_id == XRWL_GENERIC_IF_ID); #endif if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id) { ap_printk(XRADIO_DBG_NIY, "no station to remove\n"); return 0; } entry = &priv->link_id_db[sta_priv->link_id - 1]; spin_lock_bh(&priv->ps_state_lock); entry->status = XRADIO_LINK_RESERVE; entry->timestamp = jiffies; wsm_lock_tx_async(hw_priv); if (queue_work(hw_priv->workqueue, &priv->link_id_work) <= 0) wsm_unlock_tx(hw_priv); spin_unlock_bh(&priv->ps_state_lock); flush_workqueue(hw_priv->workqueue); flush_workqueue(hw_priv->spare_workqueue); #ifdef AP_AGGREGATE_FW_FIX hw_priv->connected_sta_cnt--; if (hw_priv->connected_sta_cnt <= 1 && WSM_VERSION_BF(hw_priv->wsm_caps, 8, 39)) { if ((priv->if_id != 1) || ((priv->if_id == 1) && hw_priv->is_go_thru_go_neg)) { wsm_lock_tx(hw_priv); SYS_WARN(wsm_set_block_ack_policy(hw_priv, XRADIO_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID, XRADIO_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID, priv->if_id)); wsm_unlock_tx(hw_priv); } } #endif return 0; } static void __xradio_sta_notify(struct xradio_vif *priv, enum sta_notify_cmd notify_cmd, int link_id) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); u32 bit, prev; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); /* Zero link id means "for all link IDs" */ if (link_id) bit = BIT(link_id); else if (WARN_ON_ONCE(notify_cmd != STA_NOTIFY_AWAKE)) bit = 0; else bit = priv->link_id_map; prev = priv->sta_asleep_mask & bit; switch (notify_cmd) { case STA_NOTIFY_SLEEP: if (!prev) { if (priv->buffered_multicasts && !priv->sta_asleep_mask) queue_work(hw_priv->workqueue, &priv->multicast_start_work); priv->sta_asleep_mask |= bit; ap_printk(XRADIO_DBG_NIY, "%s STAs sleep: 0x%08X\n", __func__, bit); } break; case STA_NOTIFY_AWAKE: if (prev) { priv->sta_asleep_mask &= ~bit; priv->pspoll_mask &= ~bit; if (priv->tx_multicast && link_id && !priv->sta_asleep_mask) queue_work(hw_priv->workqueue, &priv->multicast_stop_work); xradio_proc_wakeup(hw_priv); ap_printk(XRADIO_DBG_NIY, "%s STAs awake: 0x%08X\n", __func__, bit); } break; } } void xradio_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif, enum sta_notify_cmd notify_cmd, struct ieee80211_sta *sta) { struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif); struct xradio_sta_priv *sta_priv = (struct xradio_sta_priv *)&sta->drv_priv; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (!atomic_read(&priv->enabled)) { ap_printk(XRADIO_DBG_NIY, "%s vif(type=%d) is not enable!\n", __func__, vif->type); return ; } #ifdef P2P_MULTIVIF SYS_WARN(priv->if_id == XRWL_GENERIC_IF_ID); #endif spin_lock_bh(&priv->ps_state_lock); __xradio_sta_notify(priv, notify_cmd, sta_priv->link_id); spin_unlock_bh(&priv->ps_state_lock); } static void xradio_ps_notify(struct xradio_vif *priv, int link_id, bool ps) { ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (link_id > MAX_STA_IN_AP_MODE) { ap_printk(XRADIO_DBG_WARN, "link_id is invalid=%d\n", link_id); return; } ap_printk(XRADIO_DBG_NIY, "%s for LinkId: %d. STAs asleep: %.8X\n", ps ? "Stop" : "Start", link_id, priv->sta_asleep_mask); /* TODO:COMBO: __xradio_sta_notify changed. */ __xradio_sta_notify(priv, ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id); } static int xradio_set_tim_impl(struct xradio_vif *priv, bool aid0_bit_set) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct sk_buff *skb; struct wsm_update_ie update_ie = { .what = WSM_UPDATE_IE_BEACON, .count = 1, }; u16 tim_offset, tim_length; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); ap_printk(XRADIO_DBG_MSG, "%s mcast: %s.\n", __func__, aid0_bit_set ? "ena" : "dis"); skb = mac80211_beacon_get_tim(priv->hw, priv->vif, &tim_offset, &tim_length); if (!skb) { __xradio_flush(hw_priv, true, priv->if_id); return -ENOENT; } if (tim_offset && tim_length >= 6) { /* Ignore DTIM count from mac80211: * firmware handles DTIM internally. */ skb->data[tim_offset + 2] = 0; /* Set/reset aid0 bit */ if (aid0_bit_set) skb->data[tim_offset + 4] |= 1; else skb->data[tim_offset + 4] &= ~1; } update_ie.ies = &skb->data[tim_offset]; update_ie.length = tim_length; /*filter same tim info*/ if (memcmp(priv->last_tim, update_ie.ies, tim_length)) { SYS_WARN(wsm_update_ie(hw_priv, &update_ie, priv->if_id)); memcpy(priv->last_tim, update_ie.ies, tim_length); ap_printk(XRADIO_DBG_MSG, "%02x %02x %02x %02x %02x %02x\n", update_ie.ies[0], update_ie.ies[1], update_ie.ies[2], update_ie.ies[3], update_ie.ies[4], update_ie.ies[5]); } dev_kfree_skb(skb); return 0; } void xradio_set_tim_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, set_tim_work); ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); xradio_set_tim_impl(priv, priv->aid0_bit_set); } int xradio_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, bool set) { struct xradio_sta_priv *sta_priv = (struct xradio_sta_priv *)&sta->drv_priv; struct xradio_vif *priv = sta_priv->priv; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (!atomic_read(&priv->enabled)) { ap_printk(XRADIO_DBG_WARN, "%s vif is not enable!\n", __func__); return 0; } #ifdef P2P_MULTIVIF SYS_WARN(priv->if_id == XRWL_GENERIC_IF_ID); #endif SYS_WARN(priv->mode != NL80211_IFTYPE_AP); queue_work(priv->hw_priv->workqueue, &priv->set_tim_work); return 0; } void xradio_set_cts_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, set_cts_work.work); struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); u8 erp_ie[3] = { WLAN_EID_ERP_INFO, 0x1, 0 }; struct wsm_update_ie update_ie = { .what = WSM_UPDATE_IE_BEACON, .count = 1, .ies = erp_ie, .length = 3, }; u32 erp_info; __le32 use_cts_prot; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); down(&hw_priv->conf_lock); erp_info = priv->erp_info; up(&hw_priv->conf_lock); use_cts_prot = (erp_info & WLAN_ERP_USE_PROTECTION) ? __cpu_to_le32(1) : 0; erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info; ap_printk(XRADIO_DBG_MSG, "ERP information 0x%x\n", erp_info); /* TODO:COMBO: If 2 interfaces are on the same channel they share the same ERP values */ SYS_WARN(wsm_write_mib(hw_priv, WSM_MIB_ID_NON_ERP_PROTECTION, &use_cts_prot, sizeof(use_cts_prot), priv->if_id)); /* If STA Mode update_ie is not required */ if (priv->mode != NL80211_IFTYPE_STATION) { SYS_WARN(wsm_update_ie(hw_priv, &update_ie, priv->if_id)); } return; } static int xradio_set_btcoexinfo(struct xradio_vif *priv) { struct wsm_override_internal_txrate arg; int ret = 0; #ifdef SUPPORT_HT40 u8 rateIndex = 0x0; #endif ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (priv->mode == NL80211_IFTYPE_STATION) { /* Plumb PSPOLL and NULL template */ SYS_WARN(xradio_upload_pspoll(priv)); SYS_WARN(xradio_upload_null(priv)); } else { return 0; } memset(&arg, 0, sizeof(struct wsm_override_internal_txrate)); if (!priv->vif->p2p) { /* STATION mode */ if (priv->bss_params.operationalRateSet & ~0xF) { ap_printk(XRADIO_DBG_NIY, "STA has ERP rates\n"); /* G or BG mode */ #ifdef SUPPORT_HT40 rateIndex = (__ffs(priv->bss_params.operationalRateSet & ~0xF)); arg.internalTxRateEntry = xradio_get_rate_entry(priv->hw_priv, 0, 0, rateIndex); #else arg.internalTxRate = (__ffs(priv->bss_params.operationalRateSet & ~0xF)); #endif } else { ap_printk(XRADIO_DBG_NIY, "STA has non ERP rates\n"); /* B only mode */ #ifdef SUPPORT_HT40 rateIndex = (__ffs(priv->association_mode.basicRateSet)); arg.internalTxRateEntry = xradio_get_rate_entry(priv->hw_priv, 0, 0, rateIndex); #else arg.internalTxRate = (__ffs(priv->association_mode.basicRateSet)); #endif } #ifdef SUPPORT_HT40 rateIndex = (__ffs(priv->association_mode.basicRateSet)); arg.nonErpInterTxRateEntry = xradio_get_rate_entry(priv->hw_priv, 0, 0, rateIndex); #else arg.nonErpInternalTxRate = (__ffs(priv->association_mode.basicRateSet)); #endif } else { /* P2P mode */ #ifdef SUPPORT_HT40 rateIndex = (__ffs(priv->bss_params.operationalRateSet & ~0xF)); arg.internalTxRateEntry = xradio_get_rate_entry(priv->hw_priv, 0, 0, rateIndex); arg.nonErpInterTxRateEntry = arg.internalTxRateEntry; #else arg.internalTxRate = (__ffs(priv->bss_params.operationalRateSet & ~0xF)); arg.nonErpInternalTxRate = (__ffs(priv->bss_params.operationalRateSet & ~0xF)); #endif } #ifdef SUPPORT_HT40 ap_printk(XRADIO_DBG_NIY, "[STA] BTCOEX_INFO" \ "MODE %d, internalTxRateEntry : " \ "0x%04x, nonErpInterTxRateEntry: 0x%04x\n", priv->mode, arg.internalTxRateEntry, arg.nonErpInterTxRateEntry); #else ap_printk(XRADIO_DBG_NIY, "BTCOEX_INFO" "MODE %d, internalTxRate : %x," \ "nonErpInternalTxRate: %x\n", priv->mode, arg.internalTxRate, arg.nonErpInternalTxRate); #endif ret = SYS_WARN(wsm_write_mib(xrwl_vifpriv_to_hwpriv(priv), WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE, &arg, sizeof(arg), priv->if_id)); return ret; } void xradio_bss_info_changed(struct ieee80211_hw *dev, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { struct xradio_common *hw_priv = dev->priv; struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif); ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (hw_priv->bh_error) { ap_printk(XRADIO_DBG_ERROR, "%s bh_error occurs, changed=0x%0x\n", __func__, changed); return; } #ifdef P2P_MULTIVIF if (priv->if_id == XRWL_GENERIC_IF_ID) return; #endif down(&hw_priv->conf_lock); /*We do somethings first which is not of priv.*/ if (changed & BSS_CHANGED_RETRY_LIMITS) { spin_lock_bh(&hw_priv->tx_policy_cache.lock); /*TODO:COMBO: for now it's still handled per hw and kept * in xradio_common */ #ifdef ENHANCE_ANTI_INTERFERE hw_priv->long_frame_max_tx_count = 15; hw_priv->short_frame_max_tx_count = 15; #else hw_priv->long_frame_max_tx_count = info->retry_long; hw_priv->short_frame_max_tx_count = (info->retry_short < 0x0F ? info->retry_short : 0x0F); #endif hw_priv->hw->max_rate_tries = hw_priv->short_frame_max_tx_count; spin_unlock_bh(&hw_priv->tx_policy_cache.lock); ap_printk(XRADIO_DBG_NIY, "Retry limits: long=%d(%d), short=%d(%d).\n", hw_priv->short_frame_max_tx_count, info->retry_long, hw_priv->long_frame_max_tx_count, info->retry_short); /* TBD: I think we don't need tx_policy_force_upload(). * Outdated policies will leave cache in a normal way. */ /* SYS_WARN(tx_policy_force_upload(priv)); */ } /*We check priv before operation of priv.*/ if (!atomic_read(&priv->enabled)) { if (changed & ~BSS_CHANGED_RETRY_LIMITS) ap_printk(XRADIO_DBG_WARN, "%s vif(type=%d) is not enable!" \ "changed=0x%x\n", __func__, vif->type, changed); up(&hw_priv->conf_lock); return ; } if (changed & BSS_CHANGED_BSSID) { #ifdef CONFIG_XRADIO_TESTMODE spin_lock_bh(&hw_priv->tsm_lock); if (hw_priv->tsm_info.sta_associated) { unsigned now = jiffies; hw_priv->tsm_info.sta_roamed = 1; if ((now - hw_priv->tsm_info.txconf_timestamp_vo) > (now - hw_priv->tsm_info.rx_timestamp_vo)) hw_priv->tsm_info.use_rx_roaming = 1; } else { hw_priv->tsm_info.sta_associated = 1; } spin_unlock_bh(&hw_priv->tsm_lock); #endif /*CONFIG_XRADIO_TESTMODE */ memcpy(priv->bssid, info->bssid, ETH_ALEN); xradio_setup_mac_pvif(priv); } /* TODO: BSS_CHANGED_IBSS */ if (changed & BSS_CHANGED_ARP_FILTER) { struct wsm_arp_ipv4_filter filter = { 0 }; int i; ap_printk(XRADIO_DBG_MSG, "[STA] BSS_CHANGED_ARP_FILTER enabled: %d, cnt: %d\n", info->arp_filter_enabled, info->arp_addr_cnt); if (info->arp_filter_enabled) { if (vif->type == NL80211_IFTYPE_STATION) filter.enable = (u32) XRADIO_ENABLE_ARP_FILTER_OFFLOAD; else if (priv->join_status == XRADIO_JOIN_STATUS_AP) filter.enable = (u32) (1 << 1); else filter.enable = 0; } /* Currently only one IP address is supported by firmware. * In case of more IPs arp filtering will be disabled. */ if (info->arp_addr_cnt > 0 && info->arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) { for (i = 0; i < info->arp_addr_cnt; i++) { filter.ipv4Address[i] = info->arp_addr_list[i]; ap_printk(XRADIO_DBG_NIY, "[STA]addr[%d]: 0x%X\n", i, filter.ipv4Address[i]); } } else filter.enable = 0; if (filter.enable) xradio_set_arpreply(dev, vif); priv->filter4.enable = filter.enable; ap_printk(XRADIO_DBG_NIY, "[STA]arp ip filter enable: %d\n", __le32_to_cpu(filter.enable)); if (wsm_set_arp_ipv4_filter(hw_priv, &filter, priv->if_id)) SYS_WARN(1); if (filter.enable && (priv->join_status == XRADIO_JOIN_STATUS_STA)) { /* Firmware requires that value for this 1-byte field must * be specified in units of 500us. Values above the 128ms * threshold are not supported. */ if (info->dynamic_ps_timeout >= 0x80) priv->powersave_mode.fastPsmIdlePeriod = 0xFF; else priv->powersave_mode.fastPsmIdlePeriod = info->dynamic_ps_timeout << 1; ap_printk(XRADIO_DBG_NIY, "[STA]fastPsmIdle=%d, apPsmChange=%d\n", priv->powersave_mode.fastPsmIdlePeriod, priv->powersave_mode.apPsmChangePeriod); if (priv->setbssparams_done) { int ret = 0; struct wsm_set_pm pm = priv->powersave_mode; if (priv->user_power_set_true) priv->powersave_mode.pmMode = priv->user_pm_mode; else if ((priv->power_set_true && ((priv->powersave_mode.pmMode == WSM_PSM_ACTIVE) || (priv->powersave_mode.pmMode == WSM_PSM_PS))) || !priv->power_set_true) priv->powersave_mode.pmMode = WSM_PSM_FAST_PS; priv->powersave_mode.pmMode |= WSM_PSM_IP_ALLOCATED; ret = xradio_set_pm(priv, &priv->powersave_mode); priv->powersave_mode.pmMode &= ~WSM_PSM_IP_ALLOCATED; if (ret) priv->powersave_mode = pm; } else { priv->powersave_mode.pmMode = WSM_PSM_FAST_PS; } priv->power_set_true = 0; priv->user_power_set_true = 0; } } #ifdef IPV6_FILTERING if (changed & BSS_CHANGED_NDP_FILTER) { int i; struct wsm_ndp_ipv6_filter filter = { 0 }; u16 *ipv6addr = NULL; ap_printk(XRADIO_DBG_MSG, "[STA] BSS_CHANGED_NDP_FILTER enabled: %d, cnt: %d\n", info->ndp_filter_enabled, info->ndp_addr_cnt); if (info->ndp_filter_enabled) { if (vif->type == NL80211_IFTYPE_STATION) filter.enable = (u32) XRADIO_ENABLE_NDP_FILTER_OFFLOAD; else if ((vif->type == NL80211_IFTYPE_AP)) filter.enable = (u32) (1 << 1); else filter.enable = 0; } /* Currently only one IP address is supported by firmware. * In case of more IPs ndp filtering will be disabled. */ if (info->ndp_addr_cnt > 0 && info->ndp_addr_cnt <= WSM_MAX_NDP_IP_ADDRTABLE_ENTRIES) { for (i = 0; i < info->ndp_addr_cnt; i++) { filter.ipv6Address[i] = info->ndp_addr_list[i]; priv->filter6.ipv6Address[i] = filter.ipv6Address[i]; ipv6addr = (u16 *)(&filter.ipv6Address[i]); ap_printk(XRADIO_DBG_MSG, "[STA] ipv6 addr[%d]: %x:%x:%x:%x:%x:%x:%x:%x\n", i, cpu_to_be16(*(ipv6addr + 0)), cpu_to_be16(*(ipv6addr + 1)), cpu_to_be16(*(ipv6addr + 2)), cpu_to_be16(*(ipv6addr + 3)), cpu_to_be16(*(ipv6addr + 4)), cpu_to_be16(*(ipv6addr + 5)), cpu_to_be16(*(ipv6addr + 6)), cpu_to_be16(*(ipv6addr + 7))); } } else { filter.enable = 0; for (i = 0; i < info->ndp_addr_cnt; i++) { ipv6addr = (u16 *) (&info->ndp_addr_list[i]); ap_printk(XRADIO_DBG_MSG, "[STA] ipv6 addr[%d]: %x:%x:%x:%x:%x:%x:%x:%x\n", i, cpu_to_be16(*(ipv6addr + 0)), cpu_to_be16(*(ipv6addr + 1)), cpu_to_be16(*(ipv6addr + 2)), cpu_to_be16(*(ipv6addr + 3)), cpu_to_be16(*(ipv6addr + 4)), cpu_to_be16(*(ipv6addr + 5)), cpu_to_be16(*(ipv6addr + 6)), cpu_to_be16(*(ipv6addr + 7))); } } ap_printk(XRADIO_DBG_NIY, "[STA] ndp ip filter enable: %d\n", __le32_to_cpu(filter.enable)); if (filter.enable) xradio_set_na(dev, vif); priv->filter6.enable = filter.enable; if (wsm_set_ndp_ipv6_filter(hw_priv, &filter, priv->if_id)) SYS_WARN(1); #if 0 /*Commented out to disable Power Save in IPv6 */ if (filter.enable && (priv->join_status == XRADIO_JOIN_STATUS_STA) && (priv->vif->p2p) && !(priv->firmware_ps_mode.pmMode & WSM_PSM_FAST_PS)) { if (priv->setbssparams_done) { int ret = 0; struct wsm_set_pm pm = priv->powersave_mode; priv->powersave_mode.pmMode = WSM_PSM_FAST_PS; ret = xradio_set_pm(priv, &priv->powersave_mode); if (ret) { priv->powersave_mode = pm; } } else { priv->powersave_mode.pmMode = WSM_PSM_FAST_PS; } } #endif } #endif /*IPV6_FILTERING */ if (changed & BSS_CHANGED_BEACON_ENABLED) { priv->enable_beacon = info->enable_beacon; ap_printk(XRADIO_DBG_NIY, "BSS_CHANGED_BEACON_ENABLED %s\n", priv->enable_beacon? "enable" : "disable"); } if (changed & BSS_CHANGED_BEACON) { ap_printk(XRADIO_DBG_NIY, "BSS_CHANGED_BEACON(enable=%d)\n", priv->enable_beacon); if (priv->enable_beacon) { #ifdef HIDDEN_SSID if (priv->join_status != XRADIO_JOIN_STATUS_AP) { priv->hidden_ssid = info->hidden_ssid; priv->ssid_length = info->ssid_len; ap_printk(XRADIO_DBG_NIY, "hidden_ssid=%d, ssid_len=%zu\n", info->hidden_ssid, info->ssid_len); if (info->ssid_len) { memcpy(priv->ssid, info->ssid, info->ssid_len); ap_printk(XRADIO_DBG_NIY, "ssid=%s\n", info->ssid); } } else ap_printk(XRADIO_DBG_NIY, "priv->join_status=%d\n", priv->join_status); #endif SYS_WARN(xradio_upload_beacon(priv)); SYS_WARN(xradio_update_beaconing(priv)); } } if (changed & BSS_CHANGED_BEACON_INT) { ap_printk(XRADIO_DBG_NIY, "CHANGED_BEACON_INT\n"); /* Restart AP only when connected */ if (priv->join_status == XRADIO_JOIN_STATUS_AP) SYS_WARN(xradio_update_beaconing(priv)); } if (changed & BSS_CHANGED_ASSOC) { wsm_lock_tx(hw_priv); priv->wep_default_key_id = -1; wsm_unlock_tx(hw_priv); if (!info->assoc /* && !info->ibss_joined */) { priv->cqm_link_loss_count = XRADIO_LINK_LOSS_THOLD_DEF; priv->cqm_beacon_loss_count = XRADIO_BSS_LOSS_THOLD_DEF; priv->cqm_tx_failure_thold = 0; } priv->cqm_tx_failure_count = 0; } if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE | BSS_CHANGED_HT | BSS_CHANGED_ERP_SLOT)) { int is_combo = 0; int i; struct xradio_vif *tmp_priv; ap_printk(XRADIO_DBG_NIY, "BSS_CHANGED_ASSOC.\n"); /*Driver is already do unjoin.*/ if (priv->if_id == 0 && priv->vif->type == NL80211_IFTYPE_STATION && priv->join_status == XRADIO_JOIN_STATUS_PASSIVE) { changed &= ~BSS_CHANGED_ASSOC; ap_printk(XRADIO_DBG_WARN, "BSS_CHANGED_ASSOC but driver is unjoined.\n"); mac80211_connection_loss(priv->vif); } /* TODO: ibss_joined */ if (info->assoc && priv->join_status != XRADIO_JOIN_STATUS_PASSIVE) { struct ieee80211_sta *sta = NULL; #ifdef SUPPORT_HT40 struct phy_mode_cfg PhyModeCfg; #endif if (info->dtim_period) priv->join_dtim_period = info->dtim_period; priv->beacon_int = info->beacon_int; /* Associated: kill join timeout */ cancel_delayed_work(&priv->join_timeout); rcu_read_lock(); if (info->bssid) sta = mac80211_find_sta(vif, info->bssid); if (sta) { /* TODO:COMBO:Change this once * mac80211 changes are available */ SYS_BUG(!hw_priv->channel); hw_priv->ht_info.ht_cap = sta->ht_cap; priv->bss_params.operationalRateSet = __cpu_to_le32(xradio_rate_mask_to_wsm(hw_priv, sta->supp_rates[hw_priv->channel->band])); hw_priv->ht_info.channel_type = info->channel_type; hw_priv->ht_info.operation_mode = info->ht_operation_mode; priv->oper_rates = sta->supp_rates[hw_priv->channel->band]; } else { ap_printk(XRADIO_DBG_NIY, "BSS_CHANGED_ASSOC no sta.\n"); memset(&hw_priv->ht_info, 0, sizeof(hw_priv->ht_info)); priv->bss_params.operationalRateSet = -1; priv->oper_rates = -1; } rcu_read_unlock(); priv->htcap = (sta && xradio_is_ht(&hw_priv->ht_info)); xradio_for_each_vif(hw_priv, tmp_priv, i) { #ifdef P2P_MULTIVIF if ((i == (XRWL_MAX_VIFS - 1)) || !tmp_priv) #else if (!tmp_priv) #endif continue; if (tmp_priv->join_status >= XRADIO_JOIN_STATUS_STA) is_combo++; } if (is_combo > 1) { hw_priv->vif0_throttle = XRWL_HOST_VIF0_11BG_THROTTLE; hw_priv->vif1_throttle = XRWL_HOST_VIF1_11BG_THROTTLE; ap_printk(XRADIO_DBG_WARN, "%sASSOC is_combo %d\n", (priv->join_status == XRADIO_JOIN_STATUS_STA) ? "[STA] " : "", hw_priv->vif0_throttle); } else if ((priv->join_status == XRADIO_JOIN_STATUS_STA) && priv->htcap) { hw_priv->vif0_throttle = XRWL_HOST_VIF0_11N_THROTTLE; hw_priv->vif1_throttle = XRWL_HOST_VIF1_11N_THROTTLE; ap_printk(XRADIO_DBG_WARN, "[STA] ASSOC HTCAP 11N %d\n", hw_priv->vif0_throttle); } else { hw_priv->vif0_throttle = XRWL_HOST_VIF0_11BG_THROTTLE; hw_priv->vif1_throttle = XRWL_HOST_VIF1_11BG_THROTTLE; ap_printk(XRADIO_DBG_WARN, "ASSOC not_combo 11BG %d\n", hw_priv->vif0_throttle); } if (sta) { #ifdef SUPPORT_HT40 __le32 ht_prot = 0; if (hw_priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) ht_prot |= cpu_to_le32(WSM_NON_GREENFIELD_STA); ht_prot |= cpu_to_le32((hw_priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION) << 2); ap_printk(XRADIO_DBG_WARN, "[HT40][%s]" \ "[ht_prot:0x%08x][HtProtMode:0x%04x]" \ "[Green:0x%04x]", __func__, ht_prot, hw_priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION, hw_priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); WARN_ON(wsm_write_mib(hw_priv, WSM_MID_ID_SET_HT_PROTECTION, &ht_prot, sizeof(ht_prot), priv->if_id)); #else __le32 val = 0; if (hw_priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) { ap_printk(XRADIO_DBG_NIY, "[STA] Non-GF STA present\n"); /* Non Green field capable STA */ val = __cpu_to_le32(BIT(1)); } SYS_WARN(wsm_write_mib(hw_priv, WSM_MID_ID_SET_HT_PROTECTION, &val, sizeof(val), priv->if_id)); #endif } #ifdef SUPPORT_HT40 PhyModeCfg.BandCfg = hw_priv->channel->band; if (PhyModeCfg.BandCfg == NL80211_BAND_5GHZ) PhyModeCfg.ModemFlags = (MODEM_F_A_OFDM|MODEM_F_N_OFDM); else PhyModeCfg.ModemFlags = (MODEM_F_B_DSSS|MODEM_F_A_OFDM|MODEM_F_N_OFDM); if (info->channel_type == NL80211_CHAN_HT40MINUS) { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_40MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_1ST; } else if (info->channel_type == NL80211_CHAN_HT40PLUS) { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_40MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_2ND; } else { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_20MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_1ST; } if (info->channel_type == NL80211_CHAN_NO_HT) { PhyModeCfg.ModemFlags &= ~(MODEM_F_N_OFDM); PhyModeCfg.SGI_Enable = false; PhyModeCfg.GF_Enable = false; } else { PhyModeCfg.SGI_Enable = xradio_ht_ShortGI(&hw_priv->ht_info); PhyModeCfg.GF_Enable = xradio_ht_greenfield(&hw_priv->ht_info); } PhyModeCfg.STBC_Enable = false; PhyModeCfg.PreambleCfg = info->use_short_preamble ? WSM_JOIN_PREAMBLE_SHORT : WSM_JOIN_PREAMBLE_LONG; priv->association_mode.PhyModeCfg = PhyModeCfg; priv->association_mode.flags = WSM_ASSOCIATION_MODE_USE_PHY_MODE_CFG | WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET | WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING; #else priv->association_mode.greenfieldMode = xradio_ht_greenfield(&hw_priv->ht_info); priv->association_mode.flags = WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES | WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE | WSM_ASSOCIATION_MODE_USE_HT_MODE | WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET | WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING; priv->association_mode.preambleType = (info->use_short_preamble ? WSM_JOIN_PREAMBLE_SHORT : WSM_JOIN_PREAMBLE_LONG); #endif priv->association_mode.basicRateSet = __cpu_to_le32(xradio_rate_mask_to_wsm(hw_priv, info->basic_rates)); priv->base_rates = info->basic_rates; priv->association_mode.mpduStartSpacing = xradio_ht_ampdu_density(&hw_priv->ht_info); #if defined(CONFIG_XRADIO_USE_EXTENSIONS) priv->cqm_beacon_loss_count = info->cqm_beacon_miss_thold; priv->cqm_tx_failure_thold = info->cqm_tx_fail_thold; priv->cqm_tx_failure_count = 0; cancel_delayed_work_sync(&priv->bss_loss_work); cancel_delayed_work_sync(&priv->connection_loss_work); #endif /* CONFIG_XRADIO_USE_EXTENSIONS */ priv->bss_params.beaconLostCount = (priv->cqm_beacon_loss_count ? priv->cqm_beacon_loss_count : priv->cqm_link_loss_count); priv->bss_params.aid = info->aid; if (priv->join_dtim_period < 1) priv->join_dtim_period = 1; #ifdef SUPPORT_HT40 ap_printk(XRADIO_DBG_WARN, "[HT40][%s]"\ "[PhyModeCfg:0x%04x]\n"\ "[ModemFlags :0x%08x]\n"\ "[ChWidthCfg :0x%08x]\n"\ "[PriChCfg :0x%08x]\n"\ "[BandCfg :0x%08x]\n"\ "[STBC_Enable :0x%08x]\n"\ "[PreambleCfg :0x%08x]\n"\ "[SGI_Enable :0x%08x]\n"\ "[GF_Enable :0x%08x]\n", __func__, *(u16 *)&(priv->association_mode.PhyModeCfg), priv->association_mode.PhyModeCfg.ModemFlags, priv->association_mode.PhyModeCfg.ChWidthCfg, priv->association_mode.PhyModeCfg.PriChCfg, priv->association_mode.PhyModeCfg.BandCfg, priv->association_mode.PhyModeCfg.STBC_Enable, priv->association_mode.PhyModeCfg.PreambleCfg, priv->association_mode.PhyModeCfg.SGI_Enable, priv->association_mode.PhyModeCfg.GF_Enable); ap_printk(XRADIO_DBG_MSG, "[STA] DTIM %d, "\ "interval: %d\n", priv->join_dtim_period, priv->beacon_int); ap_printk(XRADIO_DBG_MSG, "[STA] Preamble: %d, "\ "Greenfield: %d, Aid: %d, "\ "Rates: 0x%.8X, Basic: 0x%.8X\n", priv->association_mode.PhyModeCfg.PreambleCfg, priv->association_mode.PhyModeCfg.GF_Enable, priv->bss_params.aid, priv->bss_params.operationalRateSet, priv->association_mode.basicRateSet); #else ap_printk(XRADIO_DBG_MSG, "[STA] DTIM %d, interval: %d\n", priv->join_dtim_period, priv->beacon_int); ap_printk(XRADIO_DBG_MSG, "[STA] Preamble: %d, " \ "Greenfield: %d, Aid: %d, " \ "Rates: 0x%.8X, Basic: 0x%.8X\n", priv->association_mode.preambleType, priv->association_mode.greenfieldMode, priv->bss_params.aid, priv->bss_params.operationalRateSet, priv->association_mode.basicRateSet); #endif SYS_WARN(wsm_set_association_mode(hw_priv, &priv->association_mode, priv->if_id)); SYS_WARN(wsm_keep_alive_period(hw_priv, XRADIO_KEEP_ALIVE_PERIOD /* sec */, priv->if_id)); SYS_WARN(wsm_set_bss_params(hw_priv, &priv->bss_params, priv->if_id)); priv->setbssparams_done = true; #ifdef XRADIO_USE_LONG_DTIM_PERIOD { int join_dtim_period_extend; if (priv->join_dtim_period <= 3) { join_dtim_period_extend = priv->join_dtim_period * 3; } else if (priv->join_dtim_period <= 5) { join_dtim_period_extend = priv->join_dtim_period * 2; } else { join_dtim_period_extend = priv->join_dtim_period; } SYS_WARN(wsm_set_beacon_wakeup_period(hw_priv, ((priv->beacon_int * join_dtim_period_extend) > MAX_BEACON_SKIP_TIME_MS ? 1 : join_dtim_period_extend), 0, priv->if_id)); } #else SYS_WARN(wsm_set_beacon_wakeup_period(hw_priv, ((priv->beacon_int * priv->join_dtim_period) > MAX_BEACON_SKIP_TIME_MS ? 1 : priv->join_dtim_period), 0, priv->if_id)); #endif if (priv->htcap) { wsm_lock_tx(hw_priv); /* Statically enabling block ack for TX/RX */ SYS_WARN(wsm_set_block_ack_policy(hw_priv, hw_priv->ba_tid_mask, hw_priv->ba_tid_mask, priv->if_id)); wsm_unlock_tx(hw_priv); } xradio_set_pm(priv, &priv->powersave_mode); if (priv->vif->p2p) { ap_printk(XRADIO_DBG_NIY, "[STA] Setting p2p powersave configuration.\n"); SYS_WARN(wsm_set_p2p_ps_modeinfo(hw_priv, &priv->p2p_ps_modeinfo, priv->if_id)); #if defined(CONFIG_XRADIO_USE_EXTENSIONS) xradio_notify_noa(priv, XRADIO_NOA_NOTIFICATION_DELAY); #endif } if (priv->mode == NL80211_IFTYPE_STATION) SYS_WARN(xradio_upload_qosnull(priv)); if (hw_priv->is_BT_Present) SYS_WARN(xradio_set_btcoexinfo(priv)); #if 0 /* It's better to override internal TX rete; otherwise * device sends RTS at too high rate. However device * can't receive CTS at 1 and 2 Mbps. Well, 5.5 is a * good choice for RTS/CTS, but that means PS poll * will be sent at the same rate - impact on link * budget. Not sure what is better.. */ /* Update: internal rate selection algorythm is not * bad: if device is not receiving CTS at high rate, * it drops RTS rate. * So, conclusion: if-0 the code. Keep code just for * information: * Do not touch WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE! */ /* ~3 is a bug in device: RTS/CTS is not working at * low rates */ __le32 internal_tx_rate = __cpu_to_le32(__ffs(priv->association_mode.basicRateSet & ~3)); SYS_WARN(wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE, &internal_tx_rate, sizeof(internal_tx_rate))); #endif } else { ap_printk(XRADIO_DBG_NIY, "BSS_CHANGED_ASSOC not assoc, change=0x%08x.\n", changed); memset(&priv->association_mode, 0, sizeof(priv->association_mode)); memset(&priv->bss_params, 0, sizeof(priv->bss_params)); priv->base_rates = -1; priv->oper_rates = -1; } } if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT)) { u32 prev_erp_info = priv->erp_info; if (priv->join_status == XRADIO_JOIN_STATUS_AP) { if (info->use_cts_prot) priv->erp_info |= WLAN_ERP_USE_PROTECTION; else if (!(prev_erp_info & WLAN_ERP_NON_ERP_PRESENT)) priv->erp_info &= ~WLAN_ERP_USE_PROTECTION; if (prev_erp_info != priv->erp_info) queue_delayed_work(hw_priv->workqueue, &priv->set_cts_work, 0*HZ); } } if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_SLOT)) { __le32 slot_time = info->use_short_slot ? __cpu_to_le32(9) : __cpu_to_le32(20); ap_printk(XRADIO_DBG_MSG, "[STA] Slot time :%d us.\n", __le32_to_cpu(slot_time)); SYS_WARN(wsm_write_mib(hw_priv, WSM_MIB_ID_DOT11_SLOT_TIME, &slot_time, sizeof(slot_time), priv->if_id)); } if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_CQM)) { struct wsm_rcpi_rssi_threshold threshold = { .rollingAverageCount = 8, }; #if 0 /* For verification purposes */ info->cqm_rssi_thold = -50; info->cqm_rssi_hyst = 4; #endif /* 0 */ ap_printk(XRADIO_DBG_NIY, "[CQM] RSSI threshold subscribe: %d(+-%d)\n", info->cqm_rssi_thold, info->cqm_rssi_hyst); #if defined(CONFIG_XRADIO_USE_EXTENSIONS) ap_printk(XRADIO_DBG_NIY, "[CQM] Beacon loss subscribe: %d\n", info->cqm_beacon_miss_thold); ap_printk(XRADIO_DBG_NIY, "[CQM] TX failure subscribe: %d\n", info->cqm_tx_fail_thold); priv->cqm_rssi_thold = info->cqm_rssi_thold; priv->cqm_rssi_hyst = info->cqm_rssi_hyst; #endif /* CONFIG_XRADIO_USE_EXTENSIONS */ if (info->cqm_rssi_thold || info->cqm_rssi_hyst) { /* RSSI subscription enabled */ /* TODO: It's not a correct way of setting threshold. * Upper and lower must be set equal here and adjusted * in callback. However current implementation is much * more relaible and stable. */ if (priv->cqm_use_rssi) { threshold.upperThreshold = info->cqm_rssi_thold + info->cqm_rssi_hyst; threshold.lowerThreshold = info->cqm_rssi_thold; } else { /* convert RSSI to RCPI, RCPI = (RSSI + 110) * 2 */ threshold.upperThreshold = (info->cqm_rssi_thold + info->cqm_rssi_hyst + 110)<<1; threshold.lowerThreshold = (info->cqm_rssi_thold + 110)<<1; } threshold.rssiRcpiMode |= WSM_RCPI_RSSI_THRESHOLD_ENABLE; } else { /* There is a bug in FW, see sta.c. We have to enable * dummy subscription to get correct RSSI values. */ threshold.rssiRcpiMode |= WSM_RCPI_RSSI_THRESHOLD_ENABLE | WSM_RCPI_RSSI_DONT_USE_UPPER | WSM_RCPI_RSSI_DONT_USE_LOWER; } SYS_WARN(wsm_set_rcpi_rssi_threshold(hw_priv, &threshold, priv->if_id)); #if defined(CONFIG_XRADIO_USE_EXTENSIONS) priv->cqm_tx_failure_thold = info->cqm_tx_fail_thold; priv->cqm_tx_failure_count = 0; if (priv->cqm_beacon_loss_count != info->cqm_beacon_miss_thold) { priv->cqm_beacon_loss_count = info->cqm_beacon_miss_thold; priv->bss_params.beaconLostCount = (priv->cqm_beacon_loss_count ? priv->cqm_beacon_loss_count : priv->cqm_link_loss_count); /* Make sure we are associated before sending * set_bss_params to firmware */ if (priv->bss_params.aid) { SYS_WARN(wsm_set_bss_params(hw_priv, &priv->bss_params, priv->if_id)); priv->setbssparams_done = true; } } #endif /* CONFIG_XRADIO_USE_EXTENSIONS */ } if (changed & BSS_CHANGED_PS) { if (info->ps_enabled == false) priv->powersave_mode.pmMode = WSM_PSM_ACTIVE; else if (info->dynamic_ps_timeout <= 0) priv->powersave_mode.pmMode = WSM_PSM_PS; else priv->powersave_mode.pmMode = WSM_PSM_FAST_PS; ap_printk(XRADIO_DBG_MSG, "[STA] Aid: %d, Joined: %s, Powersave: %s\n", priv->bss_params.aid, priv->join_status == XRADIO_JOIN_STATUS_STA ? "yes" : "no", (priv->powersave_mode.pmMode == WSM_PSM_ACTIVE ? "WSM_PSM_ACTIVE" : priv->powersave_mode.pmMode == WSM_PSM_PS ? "WSM_PSM_PS" : priv->powersave_mode.pmMode == WSM_PSM_FAST_PS ? "WSM_PSM_FAST_PS" : "UNKNOWN")); /* Firmware requires that value for this 1-byte field must * be specified in units of 500us. Values above the 128ms * threshold are not supported. */ if (info->dynamic_ps_timeout >= 0x80) priv->powersave_mode.fastPsmIdlePeriod = 0xFF; else priv->powersave_mode.fastPsmIdlePeriod = info->dynamic_ps_timeout << 1; ap_printk(XRADIO_DBG_NIY, "[STA]CHANGED_PS fastPsmIdle=%d, apPsmChange=%d\n", priv->powersave_mode.fastPsmIdlePeriod, priv->powersave_mode.apPsmChangePeriod); if (priv->join_status == XRADIO_JOIN_STATUS_STA && priv->bss_params.aid && priv->setbssparams_done && priv->filter4.enable) xradio_set_pm(priv, &priv->powersave_mode); else priv->power_set_true = 1; } #if defined(CONFIG_XRADIO_USE_EXTENSIONS) if (changed & BSS_CHANGED_P2P_PS) { struct wsm_p2p_ps_modeinfo *modeinfo; modeinfo = &priv->p2p_ps_modeinfo; ap_printk(XRADIO_DBG_NIY, "[AP] BSS_CHANGED_P2P_PS\n"); ap_printk(XRADIO_DBG_NIY, "[AP] Legacy PS: %d for AID %d in %d mode.\n", info->p2p_ps.legacy_ps, priv->bss_params.aid, priv->join_status); if (info->p2p_ps.legacy_ps >= 0) { if (info->p2p_ps.legacy_ps > 0) priv->powersave_mode.pmMode = WSM_PSM_PS; else priv->powersave_mode.pmMode = WSM_PSM_ACTIVE; if (info->p2p_ps.ctwindow && info->p2p_ps.opp_ps) priv->powersave_mode.pmMode = WSM_PSM_PS; if (priv->join_status == XRADIO_JOIN_STATUS_STA) xradio_set_pm(priv, &priv->powersave_mode); } ap_printk(XRADIO_DBG_MSG, "[AP] CTWindow: %d\n", info->p2p_ps.ctwindow); if (info->p2p_ps.ctwindow >= 128) modeinfo->oppPsCTWindow = 127; else if (info->p2p_ps.ctwindow >= 0) modeinfo->oppPsCTWindow = info->p2p_ps.ctwindow; ap_printk(XRADIO_DBG_MSG, "[AP] Opportunistic: %d\n", info->p2p_ps.opp_ps); switch (info->p2p_ps.opp_ps) { case 0: modeinfo->oppPsCTWindow &= ~(BIT(7)); break; case 1: modeinfo->oppPsCTWindow |= BIT(7); break; default: break; } ap_printk(XRADIO_DBG_MSG, "[AP] NOA: %d, %d, %d, %d\n", info->p2p_ps.count, info->p2p_ps.start, info->p2p_ps.duration, info->p2p_ps.interval); /* Notice of Absence */ modeinfo->count = info->p2p_ps.count; if (info->p2p_ps.count) { /* In case P2P_GO we need some extra time to be sure * we will update beacon/probe_resp IEs correctly */ #define NOA_DELAY_START_MS 300 if (priv->join_status == XRADIO_JOIN_STATUS_AP) modeinfo->startTime = __cpu_to_le32(info->p2p_ps.start + NOA_DELAY_START_MS); else modeinfo->startTime = __cpu_to_le32(info->p2p_ps.start); modeinfo->duration = __cpu_to_le32(info->p2p_ps.duration); modeinfo->interval = __cpu_to_le32(info->p2p_ps.interval); modeinfo->dtimCount = 1; modeinfo->reserved = 0; } else { modeinfo->dtimCount = 0; modeinfo->startTime = 0; modeinfo->reserved = 0; modeinfo->duration = 0; modeinfo->interval = 0; } #if defined(CONFIG_XRADIO_DEBUG) print_hex_dump_bytes("p2p_set_ps_modeinfo: ", DUMP_PREFIX_NONE, (u8 *)modeinfo, sizeof(*modeinfo)); #endif /* CONFIG_XRADIO_DEBUG */ if (priv->join_status == XRADIO_JOIN_STATUS_STA || priv->join_status == XRADIO_JOIN_STATUS_AP) { SYS_WARN(wsm_set_p2p_ps_modeinfo(hw_priv, modeinfo, priv->if_id)); } #if defined(CONFIG_XRADIO_USE_EXTENSIONS) /* Temporary solution while firmware don't support NOA change * notification yet */ xradio_notify_noa(priv, 10); #endif } #endif /* CONFIG_XRADIO_USE_EXTENSIONS */ up(&hw_priv->conf_lock); } void xradio_multicast_start_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, multicast_start_work); long tmo = priv->join_dtim_period * (priv->beacon_int + 20) * HZ / 1024; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); cancel_work_sync(&priv->multicast_stop_work); if (!priv->aid0_bit_set) { wsm_lock_tx(priv->hw_priv); xradio_set_tim_impl(priv, true); priv->aid0_bit_set = true; mod_timer(&priv->mcast_timeout, jiffies + tmo); wsm_unlock_tx(priv->hw_priv); } } void xradio_multicast_stop_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, multicast_stop_work); ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (priv->aid0_bit_set) { del_timer_sync(&priv->mcast_timeout); wsm_lock_tx(priv->hw_priv); priv->aid0_bit_set = false; xradio_set_tim_impl(priv, false); wsm_unlock_tx(priv->hw_priv); } } void xradio_mcast_timeout(unsigned long arg) { struct xradio_vif *priv = (struct xradio_vif *)arg; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); ap_printk(XRADIO_DBG_WARN, "Multicast delivery timeout.\n"); spin_lock_bh(&priv->ps_state_lock); priv->tx_multicast = priv->aid0_bit_set && priv->buffered_multicasts; if (priv->tx_multicast) xradio_proc_wakeup(xrwl_vifpriv_to_hwpriv(priv)); spin_unlock_bh(&priv->ps_state_lock); } int xradio_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size) { /* Aggregation is implemented fully in firmware, * including block ack negotiation. * In case of AMPDU aggregation in RX direction * re-ordering of packets takes place on host. mac80211 * needs the ADDBA Request to setup reodering.mac80211 also * sends ADDBA Response which is discarded in the driver as * FW generates the ADDBA Response on its own.*/ int ret; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); switch (action) { case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: /* Just return OK to mac80211 */ ret = 0; break; default: ret = -ENOTSUPP; } return ret; } /* ******************************************************************** */ /* WSM callback */ void xradio_suspend_resume(struct xradio_vif *priv, struct wsm_suspend_resume *arg) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); #if 0 ap_printk(XRADIO_DBG_MSG, "[AP] %s: %s\n", arg->stop ? "stop" : "start", arg->multicast ? "broadcast" : "unicast"); #endif if (arg->multicast) { bool cancel_tmo = false; spin_lock_bh(&priv->ps_state_lock); if (arg->stop) { priv->tx_multicast = false; } else { /* Firmware sends this indication every DTIM if there * is a STA in powersave connected. There is no reason * to suspend, following wakeup will consume much more * power than it could be saved. */ #ifdef CONFIG_PM xradio_pm_stay_awake(&hw_priv->pm_state, (priv->join_dtim_period * \ (priv->beacon_int + 20) * HZ / 1024)); #endif priv->tx_multicast = priv->aid0_bit_set && priv->buffered_multicasts; if (priv->tx_multicast) { cancel_tmo = true; xradio_proc_wakeup(hw_priv); } } spin_unlock_bh(&priv->ps_state_lock); if (cancel_tmo) del_timer_sync(&priv->mcast_timeout); } else { spin_lock_bh(&priv->ps_state_lock); xradio_ps_notify(priv, arg->link_id, arg->stop); spin_unlock_bh(&priv->ps_state_lock); if (!arg->stop) xradio_proc_wakeup(hw_priv); } return; } /* ******************************************************************** */ /* AP privates */ static int xradio_upload_beacon(struct xradio_vif *priv) { int ret = 0; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_template_frame frame = { .frame_type = WSM_FRAME_TYPE_BEACON, }; struct ieee80211_mgmt *mgmt; u8 *erp_inf, *ies, *ht_info; u32 ies_len; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); #ifdef SUPPORT_HT40 frame.rate = ((RATE_MODEM_LEGACY << MODEMTYPE_SHIFT) | (RATE_BANDWIDTH_20M << BANDWIDTH_SHIFT)); if (priv->vif->p2p || hw_priv->channel->band == NL80211_BAND_5GHZ) frame.rate |= (A_RATES_OFF << RATEINDEX_SHIFT); #else if (priv->vif->p2p || hw_priv->channel->band == NL80211_BAND_5GHZ) frame.rate = WSM_TRANSMIT_RATE_6; #endif frame.skb = ieee80211_beacon_get(priv->hw, priv->vif); if (SYS_WARN(!frame.skb)) return -ENOMEM; mgmt = (void *)frame.skb->data; ies = mgmt->u.beacon.variable; ies_len = frame.skb->len - (u32) (ies - (u8 *) mgmt); ht_info = (u8 *)cfg80211_find_ie(WLAN_EID_HT_INFORMATION, ies, ies_len); if (ht_info) { /* Enable RIFS */ ht_info[3] |= 8; } erp_inf = (u8 *)cfg80211_find_ie(WLAN_EID_ERP_INFO, ies, ies_len); if (erp_inf) { if (erp_inf[ERP_INFO_BYTE_OFFSET] & WLAN_ERP_BARKER_PREAMBLE) priv->erp_info |= WLAN_ERP_BARKER_PREAMBLE; else priv->erp_info &= ~WLAN_ERP_BARKER_PREAMBLE; if (erp_inf[ERP_INFO_BYTE_OFFSET] & WLAN_ERP_NON_ERP_PRESENT) { ap_printk(XRADIO_DBG_NIY, "WLAN_ERP_NON_ERP_PRESENT.\n"); priv->erp_info |= WLAN_ERP_USE_PROTECTION; priv->erp_info |= WLAN_ERP_NON_ERP_PRESENT; } else { ap_printk(XRADIO_DBG_NIY, "No WLAN_ERP_NON_ERP_PRESENT.\n"); priv->erp_info &= ~WLAN_ERP_USE_PROTECTION; priv->erp_info &= ~WLAN_ERP_NON_ERP_PRESENT; } } #ifdef HIDDEN_SSID if (priv->hidden_ssid) { u8 *ssid_ie; u8 ssid_len; /* * Hidden ap set by two ways: * 1. ssid len != 0, and ssid filled with zero. * 2. ssid len = 0, and no ssid in beacon or probe_resp. */ ap_printk(XRADIO_DBG_NIY, "%s: hidden_ssid set\n", __func__); ssid_ie = (u8 *) cfg80211_find_ie(WLAN_EID_SSID, ies, ies_len); SYS_WARN(!ssid_ie); ssid_len = ssid_ie[1]; if (ssid_len) { ap_printk(XRADIO_DBG_MSG, "hidden_ssid with zero content ssid\n"); ssid_ie[1] = 0; memmove(ssid_ie + 2, ssid_ie + 2 + ssid_len, (ies + ies_len - (ssid_ie + 2 + ssid_len))); frame.skb->len -= ssid_len; } else { ap_printk(XRADIO_DBG_NIY, "hidden ssid with ssid len 0, we have nothing to do!"); } } #endif ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id); if (!ret) { #ifdef PROBE_RESP_EXTRA_IE ret = xradio_upload_proberesp(priv); #else /* TODO: Distille probe resp; remove TIM * and other beacon-specific IEs */ *(__le16 *)frame.skb->data = __cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); frame.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE; /* TODO: Ideally probe response template should separately configured by supplicant through openmac. This is a temporary work-around known to fail p2p group info attribute related tests */ if (0 /* priv->vif->p2p */) ret = wsm_set_probe_responder(priv, true); else { ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id); SYS_WARN(wsm_set_probe_responder(priv, false)); } #endif } dev_kfree_skb(frame.skb); return ret; } #ifdef PROBE_RESP_EXTRA_IE static int xradio_upload_proberesp(struct xradio_vif *priv) { int ret = 0; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_template_frame frame = { .frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE, }; #ifdef HIDDEN_SSID u8 *ssid_ie; #endif ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); #ifdef SUPPORT_HT40 frame.rate = ((RATE_MODEM_LEGACY << MODEMTYPE_SHIFT) | (RATE_BANDWIDTH_20M << BANDWIDTH_SHIFT)); if (priv->vif->p2p || hw_priv->channel->band == NL80211_BAND_5GHZ) frame.rate |= (A_RATES_OFF << RATEINDEX_SHIFT); #else if (priv->vif->p2p || hw_priv->channel->band == NL80211_BAND_5GHZ) frame.rate = WSM_TRANSMIT_RATE_6; #endif frame.skb = mac80211_proberesp_get(priv->hw, priv->vif); if (SYS_WARN(!frame.skb)) return -ENOMEM; #ifdef HIDDEN_SSID if (priv->hidden_ssid) { int offset; u8 ssid_len; /* we are assuming beacon from upper layer will always contain * zero filled ssid for hidden ap. The beacon shall never have * ssid len = 0. */ /* Upper layer will set ssid len = 0 for for hidden ap too. * --13:23 2017/1/9 */ offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); ssid_ie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, frame.skb->data + offset, frame.skb->len - offset); if (!ssid_ie) { ap_printk(XRADIO_DBG_ERROR, "%s:ssid is not found in probe_resp\n", __func__); dev_kfree_skb(frame.skb); return -1; } if (!priv->ssid_length) { ap_printk(XRADIO_DBG_ERROR, "%s:hidden ssid is Not config yet.\n", __func__); dev_kfree_skb(frame.skb); return -1; } else { ap_printk(XRADIO_DBG_NIY, "%s: hidden ssid in probe_resp=%s\n", __func__, priv->ssid); } ssid_len = ssid_ie[1]; if (ssid_len) { if (ssid_len == priv->ssid_length) { memcpy(ssid_ie + 2, priv->ssid, ssid_len); } else { ap_printk(XRADIO_DBG_ERROR, "%s: hidden ssid with mismatched ssid_len %d\n", __func__, ssid_len); dev_kfree_skb(frame.skb); return -1; } } else { if (skb_tailroom(frame.skb) >= priv->ssid_length) { u8 move_len = (frame.skb->data + frame.skb->len) - (ssid_ie + 2); skb_put(frame.skb, priv->ssid_length); ssid_ie[1] = priv->ssid_length; memmove(&ssid_ie[2 + priv->ssid_length], &ssid_ie[2], move_len); memcpy(&ssid_ie[2], priv->ssid, priv->ssid_length); } else { ap_printk(XRADIO_DBG_ERROR, "%s: no room in probe_resp for hidden ssid len=%zu\n", __func__, priv->ssid_length); dev_kfree_skb(frame.skb); return -1; } } } #endif ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id); SYS_WARN(wsm_set_probe_responder(priv, false)); dev_kfree_skb(frame.skb); return ret; } #endif static int xradio_upload_pspoll(struct xradio_vif *priv) { int ret = 0; struct wsm_template_frame frame = { .frame_type = WSM_FRAME_TYPE_PS_POLL, .rate = 0xFF, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); frame.skb = mac80211_pspoll_get(priv->hw, priv->vif); if (SYS_WARN(!frame.skb)) return -ENOMEM; ret = wsm_set_template_frame(xrwl_vifpriv_to_hwpriv(priv), &frame, priv->if_id); dev_kfree_skb(frame.skb); return ret; } static int xradio_upload_null(struct xradio_vif *priv) { int ret = 0; struct wsm_template_frame frame = { .frame_type = WSM_FRAME_TYPE_NULL, .rate = 0xFF, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); frame.skb = mac80211_nullfunc_get(priv->hw, priv->vif); if (SYS_WARN(!frame.skb)) return -ENOMEM; ret = wsm_set_template_frame(xrwl_vifpriv_to_hwpriv(priv), &frame, priv->if_id); dev_kfree_skb(frame.skb); return ret; } static int xradio_upload_qosnull(struct xradio_vif *priv) { int ret = 0; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_template_frame frame = { .frame_type = WSM_FRAME_TYPE_QOS_NULL, .rate = 0xFF, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); frame.skb = ieee80211_qosnullfunc_get(priv->hw, priv->vif); if (SYS_WARN(!frame.skb)) return -ENOMEM; ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id); dev_kfree_skb(frame.skb); return ret; } /* This API is nolonegr present in WSC */ #if 0 static int xradio_enable_beaconing(struct xradio_vif *priv, bool enable) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_beacon_transmit transmit = { .enableBeaconing = enable, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); return wsm_beacon_transmit(hw_priv, &transmit, priv->if_id); } #endif static int xradio_start_ap(struct xradio_vif *priv) { int ret; #ifndef HIDDEN_SSID const u8 *ssidie; struct sk_buff *skb; int offset; #endif struct ieee80211_bss_conf *conf = &priv->vif->bss_conf; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); #ifdef SUPPORT_HT40 struct ieee80211_supported_band *sband; struct phy_mode_cfg PhyModeCfg; struct wsm_start start = { .mode = priv->vif->p2p ? WSM_START_MODE_P2P_GO : WSM_START_MODE_AP, /* TODO:COMBO:Change once mac80211 support is available */ .channelNumber = hw_priv->channel->hw_value, .beaconInterval = conf->beacon_int, .DTIMPeriod = conf->dtim_period, .probeDelay = 100, .basicRateSet = xradio_rate_mask_to_wsm(hw_priv, conf->basic_rates), #ifdef P2P_MULTIVIF .CTWindow = priv->vif->p2p ? 0xFFFFFFFF : 0, #endif }; #else struct wsm_start start = { .mode = priv->vif->p2p ? WSM_START_MODE_P2P_GO : WSM_START_MODE_AP, /* TODO:COMBO:Change once mac80211 support is available */ .band = (hw_priv->channel->band == NL80211_BAND_5GHZ) ? WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G, .channelNumber = hw_priv->channel->hw_value, .beaconInterval = conf->beacon_int, .DTIMPeriod = conf->dtim_period, .preambleType = conf->use_short_preamble ? WSM_JOIN_PREAMBLE_SHORT : WSM_JOIN_PREAMBLE_LONG, .probeDelay = 100, .basicRateSet = xradio_rate_mask_to_wsm(hw_priv, conf->basic_rates), #ifdef P2P_MULTIVIF .CTWindow = priv->vif->p2p ? 0xFFFFFFFF : 0, #endif }; #endif struct wsm_operational_mode mode = { .power_mode = wsm_power_mode_quiescent, .disableMoreFlagUsage = true, }; #ifdef TES_P2P_000B_EXTEND_INACTIVITY_CNT /* * TES_P2P_000B WorkAround: * when inactivity count of a peer device is zero, * which will reset while receiving a peer device frame, * firmware will disconnect with it. * due to some reason, such as scan/phy error, we miss these frame. * then we can't keep connection with peer device. * we set the min_inactivity value to large as WorkAround. */ struct wsm_inactivity inactivity = { .min_inactivity = 20, .max_inactivity = 10, }; #else struct wsm_inactivity inactivity = { .min_inactivity = 9, .max_inactivity = 1, }; #endif ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); #ifdef SUPPORT_HT40 sband = priv->hw->wiphy->bands[hw_priv->channel->band]; PhyModeCfg.BandCfg = hw_priv->channel->band; if (PhyModeCfg.BandCfg == NL80211_BAND_5GHZ) PhyModeCfg.ModemFlags = (MODEM_F_A_OFDM | MODEM_F_N_OFDM); else PhyModeCfg.ModemFlags = (MODEM_F_B_DSSS | MODEM_F_A_OFDM | MODEM_F_N_OFDM); if (conf->channel_type == NL80211_CHAN_HT40MINUS) { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_40MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_1ST; } else if (conf->channel_type == NL80211_CHAN_HT40PLUS) { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_40MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_2ND; } else { PhyModeCfg.ChWidthCfg = CHAN_WIDTH_20MHz; PhyModeCfg.PriChCfg = PRIMARY_CH_1ST; } if (conf->channel_type == NL80211_CHAN_NO_HT) { PhyModeCfg.ModemFlags &= ~(MODEM_F_N_OFDM); PhyModeCfg.SGI_Enable = false; PhyModeCfg.GF_Enable = false; } else { PhyModeCfg.GF_Enable = (sband->ht_cap.cap&IEEE80211_HT_CAP_GRN_FLD) ? true : false; PhyModeCfg.SGI_Enable = (sband->ht_cap.cap& (IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) ? true : false; } PhyModeCfg.STBC_Enable = false; PhyModeCfg.PreambleCfg = conf->use_short_preamble ? WSM_JOIN_PREAMBLE_SHORT : WSM_JOIN_PREAMBLE_LONG; start.PhyModeCfg = PhyModeCfg; #endif if (priv->if_id) start.mode |= WSM_FLAG_MAC_INSTANCE_1; else start.mode &= ~WSM_FLAG_MAC_INSTANCE_1; hw_priv->connected_sta_cnt = 0; #ifndef HIDDEN_SSID /* Get SSID */ skb = ieee80211_beacon_get(priv->hw, priv->vif); if (SYS_WARN(!skb)) { ap_printk(XRADIO_DBG_ERROR, "%s, ieee80211_beacon_get failed\n", __func__); return -ENOMEM; } offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); ssidie = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, skb->len - offset); memset(priv->ssid, 0, sizeof(priv->ssid)); if (ssidie) { priv->ssid_length = ssidie[1]; if (SYS_WARN(priv->ssid_length > sizeof(priv->ssid))) priv->ssid_length = sizeof(priv->ssid); memcpy(priv->ssid, &ssidie[2], priv->ssid_length); } else { priv->ssid_length = 0; } dev_kfree_skb(skb); #endif priv->beacon_int = conf->beacon_int; priv->join_dtim_period = conf->dtim_period; memset(&priv->last_tim[0], 0, sizeof(priv->last_tim)); start.ssidLength = priv->ssid_length; memcpy(&start.ssid[0], priv->ssid, start.ssidLength); memset(&priv->link_id_db, 0, sizeof(priv->link_id_db)); #ifdef SUPPORT_HT40 ap_printk(XRADIO_DBG_NIY, "[AP] ch: %d(%d), bcn: %d(%d),"\ "bss_rate: 0x%.8X, ssid: %.*s.\n", start.channelNumber, start.PhyModeCfg.BandCfg, start.beaconInterval, start.DTIMPeriod, start.basicRateSet, start.ssidLength, start.ssid); ret = SYS_WARN(wsm_start(hw_priv, &start, priv->if_id)); ap_printk(XRADIO_DBG_WARN, "[HT40][%s][PhyModeCfg:0x%04x]\n", __func__, *(u16 *)&start.PhyModeCfg); #else ap_printk(XRADIO_DBG_NIY, "[AP] ch: %d(%d), bcn: %d(%d)," \ "bss_rate: 0x%.8X, ssid: %.*s.\n", start.channelNumber, start.band, start.beaconInterval, start.DTIMPeriod, start.basicRateSet, start.ssidLength, start.ssid); ret = SYS_WARN(wsm_start(hw_priv, &start, priv->if_id)); #endif if (!ret && priv->vif->p2p) { ap_printk(XRADIO_DBG_NIY, "[AP] Setting p2p powersave configuration.\n"); SYS_WARN(wsm_set_p2p_ps_modeinfo(hw_priv, &priv->p2p_ps_modeinfo, priv->if_id)); #if defined(CONFIG_XRADIO_USE_EXTENSIONS) xradio_notify_noa(priv, XRADIO_NOA_NOTIFICATION_DELAY); #endif } /*Set Inactivity time */ if (!(strstr(&start.ssid[0], "6.1.12"))) { wsm_set_inactivity(hw_priv, &inactivity, priv->if_id); } if (!ret) { #ifndef AP_AGGREGATE_FW_FIX SYS_WARN(wsm_set_block_ack_policy(hw_priv, XRADIO_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID, XRADIO_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID, priv->if_id)); #else if ((priv->if_id == 1) && !hw_priv->is_go_thru_go_neg) SYS_WARN(wsm_set_block_ack_policy(hw_priv, XRADIO_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID, XRADIO_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID, priv->if_id)); else SYS_WARN(wsm_set_block_ack_policy(hw_priv, XRADIO_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID, XRADIO_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID, priv->if_id)); #endif priv->join_status = XRADIO_JOIN_STATUS_AP; /* xradio_update_filtering(priv); */ } SYS_WARN(wsm_set_operational_mode(hw_priv, &mode, priv->if_id)); hw_priv->vif0_throttle = XRWL_HOST_VIF0_11N_THROTTLE; hw_priv->vif1_throttle = XRWL_HOST_VIF0_11N_THROTTLE; ap_printk(XRADIO_DBG_WARN, "vif%d, AP/GO mode THROTTLE=%d\n", priv->if_id, priv->if_id == 0 ? hw_priv->vif0_throttle : hw_priv->vif1_throttle); return ret; } static int xradio_update_beaconing(struct xradio_vif *priv) { struct ieee80211_bss_conf *conf = &priv->vif->bss_conf; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_reset reset = { .link_id = 0, .reset_statistics = true, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (priv->mode == NL80211_IFTYPE_AP) { /* TODO: check if changed channel, band */ if (priv->join_status != XRADIO_JOIN_STATUS_AP || priv->beacon_int != conf->beacon_int) { ap_printk(XRADIO_DBG_WARN, "ap restarting!\n"); wsm_lock_tx(hw_priv); if (priv->join_status != XRADIO_JOIN_STATUS_PASSIVE) SYS_WARN(wsm_reset(hw_priv, &reset, priv->if_id)); priv->join_status = XRADIO_JOIN_STATUS_PASSIVE; SYS_WARN(xradio_start_ap(priv)); wsm_unlock_tx(hw_priv); } else ap_printk(XRADIO_DBG_NIY, "ap started join_status: %d\n", priv->join_status); } return 0; } int xradio_find_link_id(struct xradio_vif *priv, const u8 *mac) { int i, ret = 0; spin_lock_bh(&priv->ps_state_lock); for (i = 0; i < MAX_STA_IN_AP_MODE; ++i) { if (!memcmp(mac, priv->link_id_db[i].mac, ETH_ALEN) && priv->link_id_db[i].status) { priv->link_id_db[i].timestamp = jiffies; ret = i + 1; break; } } spin_unlock_bh(&priv->ps_state_lock); return ret; } int xradio_alloc_link_id(struct xradio_vif *priv, const u8 *mac) { int i, ret = 0; unsigned long max_inactivity = 0; unsigned long now = jiffies; struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); spin_lock_bh(&priv->ps_state_lock); for (i = 0; i < MAX_STA_IN_AP_MODE; ++i) { if (!priv->link_id_db[i].status) { ret = i + 1; break; } else if (priv->link_id_db[i].status != XRADIO_LINK_HARD && !hw_priv->tx_queue_stats.link_map_cache[priv->if_id][i + 1]) { unsigned long inactivity = now - priv->link_id_db[i].timestamp; if (inactivity < max_inactivity) continue; max_inactivity = inactivity; ret = i + 1; } } if (ret) { struct xradio_link_entry *entry = &priv->link_id_db[ret - 1]; ap_printk(XRADIO_DBG_NIY, "STA added, link_id: %d\n", ret); entry->status = XRADIO_LINK_RESERVE; memcpy(&entry->mac, mac, ETH_ALEN); memset(&entry->buffered, 0, XRADIO_MAX_TID); skb_queue_head_init(&entry->rx_queue); wsm_lock_tx_async(hw_priv); if (queue_work(hw_priv->workqueue, &priv->link_id_work) <= 0) wsm_unlock_tx(hw_priv); } else { ap_printk(XRADIO_DBG_WARN, "Early: no more link IDs available.\n"); } spin_unlock_bh(&priv->ps_state_lock); return ret; } void xradio_link_id_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, link_id_work); struct xradio_common *hw_priv = priv->hw_priv; wsm_flush_tx(hw_priv); xradio_link_id_gc_work(&priv->link_id_gc_work.work); wsm_unlock_tx(hw_priv); } void xradio_link_id_gc_work(struct work_struct *work) { struct xradio_vif *priv = container_of(work, struct xradio_vif, link_id_gc_work.work); struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_map_link map_link = { .link_id = 0, }; unsigned long now = jiffies; unsigned long next_gc = -1; long ttl; bool need_reset; u32 mask; int i; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (priv->join_status != XRADIO_JOIN_STATUS_AP) return; wsm_lock_tx(hw_priv); spin_lock_bh(&priv->ps_state_lock); for (i = 0; i < MAX_STA_IN_AP_MODE; ++i) { need_reset = false; mask = BIT(i + 1); if (priv->link_id_db[i].status == XRADIO_LINK_RESERVE || (priv->link_id_db[i].status == XRADIO_LINK_HARD && !(priv->link_id_map & mask))) { if (priv->link_id_map & mask) { priv->sta_asleep_mask &= ~mask; priv->pspoll_mask &= ~mask; need_reset = true; } priv->link_id_map |= mask; if (priv->link_id_db[i].status != XRADIO_LINK_HARD) priv->link_id_db[i].status = XRADIO_LINK_SOFT; memcpy(map_link.mac_addr, priv->link_id_db[i].mac, ETH_ALEN); spin_unlock_bh(&priv->ps_state_lock); if (need_reset) { SYS_WARN(xrwl_unmap_link(priv, i + 1)); } map_link.link_id = i + 1; SYS_WARN(wsm_map_link(hw_priv, &map_link, priv->if_id)); next_gc = min(next_gc, XRADIO_LINK_ID_GC_TIMEOUT); spin_lock_bh(&priv->ps_state_lock); } else if (priv->link_id_db[i].status == XRADIO_LINK_SOFT) { ttl = priv->link_id_db[i].timestamp - now + XRADIO_LINK_ID_GC_TIMEOUT; if (ttl <= 0) { need_reset = true; priv->link_id_db[i].status = XRADIO_LINK_OFF; priv->link_id_map &= ~mask; priv->sta_asleep_mask &= ~mask; priv->pspoll_mask &= ~mask; memset(map_link.mac_addr, 0, ETH_ALEN); spin_unlock_bh(&priv->ps_state_lock); SYS_WARN(xrwl_unmap_link(priv, i + 1)); spin_lock_bh(&priv->ps_state_lock); } else { next_gc = min_t(unsigned long, next_gc, ttl); } #if defined(CONFIG_XRADIO_USE_EXTENSIONS) } else if (priv->link_id_db[i].status == XRADIO_LINK_RESET || priv->link_id_db[i].status == XRADIO_LINK_RESET_REMAP) { int status = priv->link_id_db[i].status; priv->link_id_db[i].status = XRADIO_LINK_OFF; priv->link_id_db[i].timestamp = now; spin_unlock_bh(&priv->ps_state_lock); SYS_WARN(xrwl_unmap_link(priv, i + 1)); if (status == XRADIO_LINK_RESET_REMAP) { memcpy(map_link.mac_addr, priv->link_id_db[i].mac, ETH_ALEN); map_link.link_id = i + 1; SYS_WARN(wsm_map_link(hw_priv, &map_link, priv->if_id)); next_gc = min(next_gc, XRADIO_LINK_ID_GC_TIMEOUT); priv->link_id_db[i].status = priv->link_id_db[i].prev_status; } spin_lock_bh(&priv->ps_state_lock); #endif } if (need_reset) { skb_queue_purge(&priv->link_id_db[i].rx_queue); ap_printk(XRADIO_DBG_NIY, "STA removed, link_id: %d\n", i + 1); } } spin_unlock_bh(&priv->ps_state_lock); if (next_gc != -1) queue_delayed_work(hw_priv->workqueue, &priv->link_id_gc_work, next_gc); wsm_unlock_tx(hw_priv); } #if defined(CONFIG_XRADIO_USE_EXTENSIONS) void xradio_notify_noa(struct xradio_vif *priv, int delay) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct cfg80211_p2p_ps p2p_ps = { 0 }; struct wsm_p2p_ps_modeinfo *modeinfo; modeinfo = &priv->p2p_ps_modeinfo; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (priv->join_status != XRADIO_JOIN_STATUS_AP) return; if (delay) msleep(delay); if (!SYS_WARN(wsm_get_p2p_ps_modeinfo(hw_priv, modeinfo))) { #if defined(CONFIG_XRADIO_DEBUG) print_hex_dump_bytes("[AP] p2p_get_ps_modeinfo: ", DUMP_PREFIX_NONE, (u8 *)modeinfo, sizeof(*modeinfo)); #endif /* CONFIG_XRADIO_DEBUG */ p2p_ps.opp_ps = !!(modeinfo->oppPsCTWindow & BIT(7)); p2p_ps.ctwindow = modeinfo->oppPsCTWindow & (~BIT(7)); p2p_ps.count = modeinfo->count; p2p_ps.start = __le32_to_cpu(modeinfo->startTime); p2p_ps.duration = __le32_to_cpu(modeinfo->duration); p2p_ps.interval = __le32_to_cpu(modeinfo->interval); p2p_ps.index = modeinfo->reserved; /* ieee80211_p2p_noa_notify(priv->vif, &p2p_ps, GFP_KERNEL); */ } } #endif int xrwl_unmap_link(struct xradio_vif *priv, int link_id) { struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); int ret = 0; struct wsm_operational_mode mode = { .power_mode = wsm_power_mode_quiescent, .disableMoreFlagUsage = true, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); if (is_hardware_xradio(hw_priv)) { struct wsm_map_link maplink = { .link_id = link_id, .unmap = true, }; if (link_id) memcpy(&maplink.mac_addr[0], priv->link_id_db[link_id - 1].mac, ETH_ALEN); return wsm_map_link(hw_priv, &maplink, priv->if_id); } else { struct wsm_reset reset = { .link_id = link_id, .reset_statistics = true, }; ret = wsm_reset(hw_priv, &reset, priv->if_id); SYS_WARN(wsm_set_operational_mode(hw_priv, &mode, priv->if_id)); return ret; } } #ifdef AP_HT_CAP_UPDATE void xradio_ht_info_update_work(struct work_struct *work) { struct sk_buff *skb; struct ieee80211_mgmt *mgmt; u8 *ht_info, *ies; u32 ies_len; struct xradio_vif *priv = container_of(work, struct xradio_vif, ht_info_update_work); struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv); struct wsm_update_ie update_ie = { .what = WSM_UPDATE_IE_BEACON, .count = 1, }; ap_printk(XRADIO_DBG_TRC, "%s\n", __func__); skb = ieee80211_beacon_get(priv->hw, priv->vif); if (SYS_WARN(!skb)) return; mgmt = (void *)skb->data; ies = mgmt->u.beacon.variable; ies_len = skb->len - (u32)(ies - (u8 *)mgmt); ht_info = (u8 *)cfg80211_find_ie(WLAN_EID_HT_INFORMATION, ies, ies_len); if (ht_info && priv->ht_info == HT_INFO_MASK) { ht_info[HT_INFO_OFFSET] |= 0x11; update_ie.ies = ht_info; update_ie.length = HT_INFO_IE_LEN + 2; SYS_WARN(wsm_update_ie(hw_priv, &update_ie, priv->if_id)); } dev_kfree_skb(skb); } #endif