diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/core.c')
-rw-r--r-- | drivers/net/wireless/rtlwifi/core.c | 215 |
1 files changed, 174 insertions, 41 deletions
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index d3ce9fbef00..2201b5cee08 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -104,9 +104,12 @@ static void rtl_op_stop(struct ieee80211_hw *hw) if (is_hal_stop(rtlhal)) return; + /* here is must, because adhoc do stop and start, + * but stop with RFOFF may cause something wrong, + * like adhoc TP + */ if (unlikely(ppsc->rfpwr_state == ERFOFF)) { rtl_ips_nic_on(hw); - mdelay(1); } mutex_lock(&rtlpriv->locks.conf_mutex); @@ -167,7 +170,11 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, rtl_ips_nic_on(hw); mutex_lock(&rtlpriv->locks.conf_mutex); - switch (vif->type) { + + switch (ieee80211_vif_type_p2p(vif)) { + case NL80211_IFTYPE_P2P_CLIENT: + mac->p2p = P2P_ROLE_CLIENT; + /*fall through*/ case NL80211_IFTYPE_STATION: if (mac->beacon_enabled == 1) { RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, @@ -192,6 +199,9 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, (u8 *) (&mac->basic_rates)); break; + case NL80211_IFTYPE_P2P_GO: + mac->p2p = P2P_ROLE_GO; + /*fall through*/ case NL80211_IFTYPE_AP: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "NL80211_IFTYPE_AP\n"); @@ -205,6 +215,19 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *) (&mac->basic_rates)); break; + case NL80211_IFTYPE_MESH_POINT: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "NL80211_IFTYPE_MESH_POINT\n"); + + mac->link_state = MAC80211_LINKED; + rtlpriv->cfg->ops->set_bcn_reg(hw); + if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) + mac->basic_rates = 0xfff; + else + mac->basic_rates = 0xff0; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, + (u8 *)(&mac->basic_rates)); + break; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "operation mode %d is not supported!\n", vif->type); @@ -212,6 +235,13 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw, goto out; } + if (mac->p2p) { + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "p2p role %x\n", vif->type); + mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, + (u8 *)(&mac->basic_rates)); + } mac->vif = vif; mac->opmode = vif->type; rtlpriv->cfg->ops->set_network_type(hw, vif->type); @@ -232,9 +262,9 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw, mutex_lock(&rtlpriv->locks.conf_mutex); /* Free beacon resources */ - if ((mac->opmode == NL80211_IFTYPE_AP) || - (mac->opmode == NL80211_IFTYPE_ADHOC) || - (mac->opmode == NL80211_IFTYPE_MESH_POINT)) { + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_ADHOC) || + (vif->type == NL80211_IFTYPE_MESH_POINT)) { if (mac->beacon_enabled == 1) { mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, @@ -247,6 +277,7 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw, *Note: We assume NL80211_IFTYPE_UNSPECIFIED as *NO LINK for our hardware. */ + mac->p2p = 0; mac->vif = NULL; mac->link_state = MAC80211_NOLINK; memset(mac->bssid, 0, 6); @@ -256,6 +287,22 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw, mutex_unlock(&rtlpriv->locks.conf_mutex); } +static int rtl_op_change_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum nl80211_iftype new_type, bool p2p) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + int ret; + rtl_op_remove_interface(hw, vif); + + vif->type = new_type; + vif->p2p = p2p; + ret = rtl_op_add_interface(hw, vif); + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "p2p %x\n", p2p); + return ret; +} + static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -264,6 +311,9 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct ieee80211_conf *conf = &hw->conf; + if (mac->skip_scan) + return 1; + mutex_lock(&rtlpriv->locks.conf_mutex); if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/ RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, @@ -323,6 +373,16 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) struct ieee80211_channel *channel = hw->conf.channel; u8 wide_chan = (u8) channel->hw_value; + if (mac->act_scanning) + mac->n_channels++; + + if (rtlpriv->dm.supp_phymode_switch && + mac->link_state < MAC80211_LINKED && + !mac->act_scanning) { + if (rtlpriv->cfg->ops->chk_switch_dmdp) + rtlpriv->cfg->ops->chk_switch_dmdp(hw); + } + /* *because we should back channel to *current_network.chan in in scanning, @@ -373,13 +433,13 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) if (wide_chan <= 0) wide_chan = 1; - /* In scanning, before we go offchannel we may send a ps=1 null - * to AP, and then we may send a ps = 0 null to AP quickly, but - * first null may have caused AP to put lots of packet to hw tx - * buffer. These packets must be tx'd before we go off channel - * so we must delay more time to let AP flush these packets - * before going offchannel, or dis-association or delete BA will - * happen by AP + /* In scanning, before we go offchannel we may send a ps = 1 + * null to AP, and then we may send a ps = 0 null to AP quickly, + * but first null may have caused AP to put lots of packet to + * hw tx buffer. These packets must be tx'd before we go off + * channel so we must delay more time to let AP flush these + * packets before going offchannel, or dis-association or + * delete BA will be caused by AP */ if (rtlpriv->mac80211.offchan_delay) { rtlpriv->mac80211.offchan_delay = false; @@ -441,7 +501,8 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, * and nolink check bssid is set in set network_type */ if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) && (mac->link_state >= MAC80211_LINKED)) { - if (mac->opmode != NL80211_IFTYPE_AP) { + if (mac->opmode != NL80211_IFTYPE_AP && + mac->opmode != NL80211_IFTYPE_MESH_POINT) { if (*new_flags & FIF_BCN_PRBRESP_PROMISC) { rtlpriv->cfg->ops->set_chk_bssid(hw, false); } else { @@ -481,32 +542,43 @@ static int rtl_op_sta_add(struct ieee80211_hw *hw, { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_sta_info *sta_entry; if (sta) { sta_entry = (struct rtl_sta_info *) sta->drv_priv; + spin_lock_bh(&rtlpriv->locks.entry_list_lock); + list_add_tail(&sta_entry->list, &rtlpriv->entry_list); + spin_unlock_bh(&rtlpriv->locks.entry_list_lock); if (rtlhal->current_bandtype == BAND_ON_2_4G) { sta_entry->wireless_mode = WIRELESS_MODE_G; if (sta->supp_rates[0] <= 0xf) sta_entry->wireless_mode = WIRELESS_MODE_B; - if (sta->ht_cap.ht_supported) + if (sta->ht_cap.ht_supported == true) sta_entry->wireless_mode = WIRELESS_MODE_N_24G; + + if (vif->type == NL80211_IFTYPE_ADHOC) + sta_entry->wireless_mode = WIRELESS_MODE_G; } else if (rtlhal->current_bandtype == BAND_ON_5G) { sta_entry->wireless_mode = WIRELESS_MODE_A; - if (sta->ht_cap.ht_supported) + if (sta->ht_cap.ht_supported == true) sta_entry->wireless_mode = WIRELESS_MODE_N_24G; - } - /* I found some times mac80211 give wrong supp_rates for adhoc*/ - if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC) - sta_entry->wireless_mode = WIRELESS_MODE_G; + if (vif->type == NL80211_IFTYPE_ADHOC) + sta_entry->wireless_mode = WIRELESS_MODE_A; + } + /*disable cck rate for p2p*/ + if (mac->p2p) + sta->supp_rates[0] &= 0xfffffff0; + memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "Add sta addr is %pM\n", sta->addr); rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); } return 0; } + static int rtl_op_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) @@ -519,9 +591,14 @@ static int rtl_op_sta_remove(struct ieee80211_hw *hw, sta_entry = (struct rtl_sta_info *) sta->drv_priv; sta_entry->wireless_mode = 0; sta_entry->ratr_index = 0; + + spin_lock_bh(&rtlpriv->locks.entry_list_lock); + list_del(&sta_entry->list); + spin_unlock_bh(&rtlpriv->locks.entry_list_lock); } return 0; } + static int _rtl_get_hal_qnum(u16 queue) { int qnum; @@ -547,8 +624,8 @@ static int _rtl_get_hal_qnum(u16 queue) } /* - *for mac80211 VO=0, VI=1, BE=2, BK=3 - *for rtl819x BE=0, BK=1, VI=2, VO=3 + *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 + *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 */ static int rtl_op_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, @@ -630,6 +707,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, /*TODO: reference to enum ieee80211_bss_change */ if (changed & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { + struct ieee80211_sta *sta = NULL; /* we should reset all sec info & cam * before set cam after linked, we should not * reset in disassoc, that will cause tkip->wep @@ -647,23 +725,39 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if (rtlpriv->cfg->ops->linked_set_reg) rtlpriv->cfg->ops->linked_set_reg(hw); - if (mac->opmode == NL80211_IFTYPE_STATION && sta) + rcu_read_lock(); + sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); + + if (vif->type == NL80211_IFTYPE_STATION && sta) rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); + RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, + "send PS STATIC frame\n"); + if (rtlpriv->dm.supp_phymode_switch) { + if (sta->ht_cap.ht_supported) + rtl_send_smps_action(hw, sta, + IEEE80211_SMPS_STATIC); + } + rcu_read_unlock(); + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "BSS_CHANGED_ASSOC\n"); } else { - if (mac->link_state == MAC80211_LINKED) - rtl_lps_leave(hw); + if (mac->link_state == MAC80211_LINKED) { + rtlpriv->enter_ps = false; + schedule_work(&rtlpriv->works.lps_change_work); + } + if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) + rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); mac->link_state = MAC80211_NOLINK; memset(mac->bssid, 0, 6); - - /* reset sec info */ - rtl_cam_reset_sec_info(hw); - - rtl_cam_reset_all_entry(hw); mac->vendor = PEER_UNKNOWN; + if (rtlpriv->dm.supp_phymode_switch) { + if (rtlpriv->cfg->ops->chk_switch_dmdp) + rtlpriv->cfg->ops->chk_switch_dmdp(hw); + } + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "BSS_CHANGED_UN_ASSOC\n"); } @@ -778,7 +872,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_BASIC_RATES) { - /* for 5G must << RATE_6M_INDEX=4, + /* for 5G must << RATE_6M_INDEX = 4, * because 5G have no cck rate*/ if (rtlhal->current_bandtype == BAND_ON_5G) basic_rates = sta->supp_rates[1] << 4; @@ -815,6 +909,9 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, ppsc->report_linked = false; } } + if (rtlpriv->cfg->ops->bt_wifi_media_status_notify) + rtlpriv->cfg->ops->bt_wifi_media_status_notify(hw, + ppsc->report_linked); } out: @@ -885,7 +982,6 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw, RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); return rtl_tx_agg_stop(hw, sta, tid); - break; case IEEE80211_AMPDU_TX_OPERATIONAL: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); @@ -894,11 +990,11 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_RX_START: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); - break; + return rtl_rx_agg_start(hw, sta, tid); case IEEE80211_AMPDU_RX_STOP: RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); - break; + return rtl_rx_agg_stop(hw, sta, tid); default: RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "IEEE80211_AMPDU_ERR!!!!:\n"); @@ -912,12 +1008,20 @@ static void rtl_op_sw_scan_start(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - mac->act_scanning = true; - RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); + mac->act_scanning = true; + if (rtlpriv->link_info.higher_busytraffic) { + mac->skip_scan = true; + return; + } + if (rtlpriv->dm.supp_phymode_switch) { + if (rtlpriv->cfg->ops->chk_switch_dmdp) + rtlpriv->cfg->ops->chk_switch_dmdp(hw); + } if (mac->link_state == MAC80211_LINKED) { - rtl_lps_leave(hw); + rtlpriv->enter_ps = false; + schedule_work(&rtlpriv->works.lps_change_work); mac->link_state = MAC80211_LINKED_SCANNING; } else { rtl_ips_nic_on(hw); @@ -937,6 +1041,16 @@ static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); mac->act_scanning = false; + mac->skip_scan = false; + if (rtlpriv->link_info.higher_busytraffic) + return; + + /*p2p will use 1/6/11 to scan */ + if (mac->n_channels == 3) + mac->p2p_in_use = true; + else + mac->p2p_in_use = false; + mac->n_channels = 0; /* Dual mac */ rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; @@ -970,6 +1084,11 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, "not open hw encryption\n"); return -ENOSPC; /*User disabled HW-crypto */ } + /* To support IBSS, use sw-crypto for GTK */ + if (((vif->type == NL80211_IFTYPE_ADHOC) || + (vif->type == NL80211_IFTYPE_MESH_POINT)) && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -ENOSPC; RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "%s hardware based encryption for keyidx: %d, mac: %pM\n", cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, @@ -996,6 +1115,14 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key_type = AESCCMP_ENCRYPTION; RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); break; + case WLAN_CIPHER_SUITE_AES_CMAC: + /*HW doesn't support CMAC encryption, use software CMAC */ + key_type = AESCMAC_ENCRYPTION; + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, + "HW don't support CMAC encryption, use software CMAC\n"); + err = -EOPNOTSUPP; + goto out_unlock; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n", key->cipher); @@ -1017,13 +1144,14 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, * 1) wep only: is just for wep enc, in this condition * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION * will be true & enable_hw_sec will be set when wep - * ke setting. + * key setting. * 2) wep(group) + AES(pairwise): some AP like cisco * may use it, in this condition enable_hw_sec will not * be set when wep key setting */ /* we must reset sec_info after lingked before set key, * or some flag will be wrong*/ - if (mac->opmode == NL80211_IFTYPE_AP) { + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_MESH_POINT) { if (!group_key || key_type == WEP40_ENCRYPTION || key_type == WEP104_ENCRYPTION) { if (group_key) @@ -1098,12 +1226,16 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key->hw_key_idx = key_idx; if (key_type == TKIP_ENCRYPTION) key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; + /*use software CCMP encryption for management frames (MFP) */ + if (key_type == AESCCMP_ENCRYPTION) + key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; break; case DISABLE_KEY: RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "disable key delete one entry\n"); /*set local buf about wep key. */ - if (mac->opmode == NL80211_IFTYPE_AP) { + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_MESH_POINT) { if (sta) rtl_cam_del_entry(hw, sta->addr); } @@ -1163,10 +1295,10 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) } /* this function is called by mac80211 to flush tx buffer - * before switch channle or power save, or tx buffer packet + * before switch channel or power save, or tx buffer packet * maybe send after offchannel or rf sleep, this may cause * dis-association by AP */ -static void rtl_op_flush(struct ieee80211_hw *hw, bool drop) +static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -1180,6 +1312,7 @@ const struct ieee80211_ops rtl_ops = { .tx = rtl_op_tx, .add_interface = rtl_op_add_interface, .remove_interface = rtl_op_remove_interface, + .change_interface = rtl_op_change_interface, .config = rtl_op_config, .configure_filter = rtl_op_configure_filter, .sta_add = rtl_op_sta_add, |