// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009-2012 Realtek Corporation.*/ #include "wifi.h" #include "core.h" #include "cam.h" #include "base.h" #include "ps.h" #include "pwrseqcmd.h" #include "btcoexist/rtl_btc.h" #include <linux/firmware.h> #include <linux/export.h> #include <net/cfg80211.h> u8 channel5g[CHANNEL_MAX_NUMBER_5G] = { 36, 38, 40, 42, 44, 46, 48, /* Band 1 */ 52, 54, 56, 58, 60, 62, 64, /* Band 2 */ 100, 102, 104, 106, 108, 110, 112, /* Band 3 */ 116, 118, 120, 122, 124, 126, 128, /* Band 3 */ 132, 134, 136, 138, 140, 142, 144, /* Band 3 */ 149, 151, 153, 155, 157, 159, 161, /* Band 4 */ 165, 167, 169, 171, 173, 175, 177 /* Band 4 */ }; EXPORT_SYMBOL(channel5g); u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = { 42, 58, 106, 122, 138, 155, 171 }; EXPORT_SYMBOL(channel5g_80m); void rtl_addr_delay(u32 addr) { if (addr == 0xfe) mdelay(50); else if (addr == 0xfd) msleep(5); else if (addr == 0xfc) msleep(1); else if (addr == 0xfb) usleep_range(50, 100); else if (addr == 0xfa) usleep_range(5, 10); else if (addr == 0xf9) usleep_range(1, 2); } EXPORT_SYMBOL(rtl_addr_delay); void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, u32 mask, u32 data) { if (addr >= 0xf9 && addr <= 0xfe) { rtl_addr_delay(addr); } else { rtl_set_rfreg(hw, rfpath, addr, mask, data); udelay(1); } } EXPORT_SYMBOL(rtl_rfreg_delay); void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) { if (addr >= 0xf9 && addr <= 0xfe) { rtl_addr_delay(addr); } else { rtl_set_bbreg(hw, addr, MASKDWORD, data); udelay(1); } } EXPORT_SYMBOL(rtl_bb_delay); static void rtl_fw_do_work(const struct firmware *firmware, void *context, bool is_wow) { struct ieee80211_hw *hw = context; struct rtl_priv *rtlpriv = rtl_priv(hw); int err; rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, "Firmware callback routine entered!\n"); complete(&rtlpriv->firmware_loading_complete); if (!firmware) { if (rtlpriv->cfg->alt_fw_name) { err = request_firmware(&firmware, rtlpriv->cfg->alt_fw_name, rtlpriv->io.dev); pr_info("Loading alternative firmware %s\n", rtlpriv->cfg->alt_fw_name); if (!err) goto found_alt; } pr_err("Selected firmware is not available\n"); rtlpriv->max_fw_size = 0; return; } found_alt: if (firmware->size > rtlpriv->max_fw_size) { pr_err("Firmware is too big!\n"); release_firmware(firmware); return; } if (!is_wow) { memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size); rtlpriv->rtlhal.fwsize = firmware->size; } else { memcpy(rtlpriv->rtlhal.wowlan_firmware, firmware->data, firmware->size); rtlpriv->rtlhal.wowlan_fwsize = firmware->size; } release_firmware(firmware); } void rtl_fw_cb(const struct firmware *firmware, void *context) { rtl_fw_do_work(firmware, context, false); } EXPORT_SYMBOL(rtl_fw_cb); void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context) { rtl_fw_do_work(firmware, context, true); } EXPORT_SYMBOL(rtl_wowlan_fw_cb); /*mutex for start & stop is must here. */ static int rtl_op_start(struct ieee80211_hw *hw) { int err = 0; struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); if (!is_hal_stop(rtlhal)) return 0; if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) return 0; mutex_lock(&rtlpriv->locks.conf_mutex); err = rtlpriv->intf_ops->adapter_start(hw); if (!err) rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); mutex_unlock(&rtlpriv->locks.conf_mutex); return err; } static void rtl_op_stop(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); bool support_remote_wakeup = false; if (is_hal_stop(rtlhal)) return; rtlpriv->cfg->ops->get_hw_reg(hw, HAL_DEF_WOWLAN, (u8 *)(&support_remote_wakeup)); /* 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); mutex_lock(&rtlpriv->locks.conf_mutex); /* if wowlan supported, DON'T clear connected info */ if (!(support_remote_wakeup && rtlhal->enter_pnp_sleep)) { mac->link_state = MAC80211_NOLINK; eth_zero_addr(mac->bssid); mac->vendor = PEER_UNKNOWN; /* reset sec info */ rtl_cam_reset_sec_info(hw); rtl_deinit_deferred_work(hw, false); } rtlpriv->intf_ops->adapter_stop(hw); mutex_unlock(&rtlpriv->locks.conf_mutex); } static void rtl_op_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_tcb_desc tcb_desc; memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) goto err_free; if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) goto err_free; if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); return; err_free: dev_kfree_skb_any(skb); } static int rtl_op_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); int err = 0; u8 retry_limit = 0x30; if (mac->vif) { rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "vif has been set!! mac->vif = 0x%p\n", mac->vif); return -EOPNOTSUPP; } vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; rtl_ips_nic_on(hw); mutex_lock(&rtlpriv->locks.conf_mutex); switch (ieee80211_vif_type_p2p(vif)) { case NL80211_IFTYPE_P2P_CLIENT: mac->p2p = P2P_ROLE_CLIENT; fallthrough; case NL80211_IFTYPE_STATION: if (mac->beacon_enabled == 1) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "NL80211_IFTYPE_STATION\n"); mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); } break; case NL80211_IFTYPE_ADHOC: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "NL80211_IFTYPE_ADHOC\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)); retry_limit = 0x07; break; case NL80211_IFTYPE_P2P_GO: mac->p2p = P2P_ROLE_GO; fallthrough; case NL80211_IFTYPE_AP: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "NL80211_IFTYPE_AP\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)); retry_limit = 0x07; break; case NL80211_IFTYPE_MESH_POINT: rtl_dbg(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)); retry_limit = 0x07; break; default: pr_err("operation mode %d is not supported!\n", vif->type); err = -EOPNOTSUPP; goto out; } if (mac->p2p) { rtl_dbg(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); memcpy(mac->mac_addr, vif->addr, ETH_ALEN); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); mac->retry_long = retry_limit; mac->retry_short = retry_limit; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, (u8 *)(&retry_limit)); out: mutex_unlock(&rtlpriv->locks.conf_mutex); return err; } static void rtl_op_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); mutex_lock(&rtlpriv->locks.conf_mutex); /* Free beacon resources */ 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, rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]); } } /* *Note: We assume NL80211_IFTYPE_UNSPECIFIED as *NO LINK for our hardware. */ mac->p2p = 0; mac->vif = NULL; mac->link_state = MAC80211_NOLINK; eth_zero_addr(mac->bssid); mac->vendor = PEER_UNKNOWN; mac->opmode = NL80211_IFTYPE_UNSPECIFIED; rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); 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); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "p2p %x\n", p2p); return ret; } #ifdef CONFIG_PM static u16 crc16_ccitt(u8 data, u16 crc) { u8 shift_in, data_bit, crc_bit11, crc_bit4, crc_bit15; u8 i; u16 result; for (i = 0; i < 8; i++) { crc_bit15 = ((crc & BIT(15)) ? 1 : 0); data_bit = (data & (BIT(0) << i) ? 1 : 0); shift_in = crc_bit15 ^ data_bit; result = crc << 1; if (shift_in == 0) result &= (~BIT(0)); else result |= BIT(0); crc_bit11 = ((crc & BIT(11)) ? 1 : 0) ^ shift_in; if (crc_bit11 == 0) result &= (~BIT(12)); else result |= BIT(12); crc_bit4 = ((crc & BIT(4)) ? 1 : 0) ^ shift_in; if (crc_bit4 == 0) result &= (~BIT(5)); else result |= BIT(5); crc = result; } return crc; } static u16 _calculate_wol_pattern_crc(u8 *pattern, u16 len) { u16 crc = 0xffff; u32 i; for (i = 0; i < len; i++) crc = crc16_ccitt(pattern[i], crc); crc = ~crc; return crc; } static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = &rtlpriv->mac80211; struct cfg80211_pkt_pattern *patterns = wow->patterns; struct rtl_wow_pattern rtl_pattern; const u8 *pattern_os, *mask_os; u8 mask[MAX_WOL_BIT_MASK_SIZE] = {0}; u8 content[MAX_WOL_PATTERN_SIZE] = {0}; u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; u8 multicast_addr1[2] = {0x33, 0x33}; u8 multicast_addr2[3] = {0x01, 0x00, 0x5e}; u8 i, mask_len; u16 j, len; for (i = 0; i < wow->n_patterns; i++) { memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); if (patterns[i].pattern_len < 0 || patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { rtl_dbg(rtlpriv, COMP_POWER, DBG_WARNING, "Pattern[%d] is too long\n", i); continue; } pattern_os = patterns[i].pattern; mask_len = DIV_ROUND_UP(patterns[i].pattern_len, 8); mask_os = patterns[i].mask; RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, "pattern content\n", pattern_os, patterns[i].pattern_len); RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, "mask content\n", mask_os, mask_len); /* 1. unicast? multicast? or broadcast? */ if (memcmp(pattern_os, broadcast_addr, 6) == 0) rtl_pattern.type = BROADCAST_PATTERN; else if (memcmp(pattern_os, multicast_addr1, 2) == 0 || memcmp(pattern_os, multicast_addr2, 3) == 0) rtl_pattern.type = MULTICAST_PATTERN; else if (memcmp(pattern_os, mac->mac_addr, 6) == 0) rtl_pattern.type = UNICAST_PATTERN; else rtl_pattern.type = UNKNOWN_TYPE; /* 2. translate mask_from_os to mask_for_hw */ /****************************************************************************** * pattern from OS uses 'ethenet frame', like this: | 6 | 6 | 2 | 20 | Variable | 4 | |--------+--------+------+-----------+------------+-----| | 802.3 Mac Header | IP Header | TCP Packet | FCS | | DA | SA | Type | * BUT, packet catched by our HW is in '802.11 frame', begin from LLC, | 24 or 30 | 6 | 2 | 20 | Variable | 4 | |-------------------+--------+------+-----------+------------+-----| | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS | | Others | Tpye | * Therefore, we need translate mask_from_OS to mask_to_hw. * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0, * because new mask[0~5] means 'SA', but our HW packet begins from LLC, * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match. ******************************************************************************/ /* Shift 6 bits */ for (j = 0; j < mask_len - 1; j++) { mask[j] = mask_os[j] >> 6; mask[j] |= (mask_os[j + 1] & 0x3F) << 2; } mask[j] = (mask_os[j] >> 6) & 0x3F; /* Set bit 0-5 to zero */ mask[0] &= 0xC0; RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, "mask to hw\n", mask, mask_len); for (j = 0; j < (MAX_WOL_BIT_MASK_SIZE + 1) / 4; j++) { rtl_pattern.mask[j] = mask[j * 4]; rtl_pattern.mask[j] |= (mask[j * 4 + 1] << 8); rtl_pattern.mask[j] |= (mask[j * 4 + 2] << 16); rtl_pattern.mask[j] |= (mask[j * 4 + 3] << 24); } /* To get the wake up pattern from the mask. * We do not count first 12 bits which means * DA[6] and SA[6] in the pattern to match HW design. */ len = 0; for (j = 12; j < patterns[i].pattern_len; j++) { if ((mask_os[j / 8] >> (j % 8)) & 0x01) { content[len] = pattern_os[j]; len++; } } RT_PRINT_DATA(rtlpriv, COMP_POWER, DBG_TRACE, "pattern to hw\n", content, len); /* 3. calculate crc */ rtl_pattern.crc = _calculate_wol_pattern_crc(content, len); rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, "CRC_Remainder = 0x%x\n", rtl_pattern.crc); /* 4. write crc & mask_for_hw to hw */ rtlpriv->cfg->ops->add_wowlan_pattern(hw, &rtl_pattern, i); } rtl_write_byte(rtlpriv, 0x698, wow->n_patterns); } static int rtl_op_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtlpriv); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); if (WARN_ON(!wow)) return -EINVAL; /* to resolve s4 can not wake up*/ rtlhal->last_suspend_sec = ktime_get_real_seconds(); if ((ppsc->wo_wlan_mode & WAKE_ON_PATTERN_MATCH) && wow->n_patterns) _rtl_add_wowlan_patterns(hw, wow); rtlhal->driver_is_goingto_unload = true; rtlhal->enter_pnp_sleep = true; rtl_lps_leave(hw, true); rtl_op_stop(hw); device_set_wakeup_enable(wiphy_dev(hw->wiphy), true); return 0; } static int rtl_op_resume(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtlpriv); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); time64_t now; rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG, "\n"); rtlhal->driver_is_goingto_unload = false; rtlhal->enter_pnp_sleep = false; rtlhal->wake_from_pnp_sleep = true; /* to resovle s4 can not wake up*/ now = ktime_get_real_seconds(); if (now - rtlhal->last_suspend_sec < 5) return -1; rtl_op_start(hw); device_set_wakeup_enable(wiphy_dev(hw->wiphy), false); ieee80211_resume_disconnect(mac->vif); rtlhal->wake_from_pnp_sleep = false; return 0; } #endif static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_phy *rtlphy = &(rtlpriv->phy); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 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)*/ rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); } /*For IPS */ if (changed & IEEE80211_CONF_CHANGE_IDLE) { if (hw->conf.flags & IEEE80211_CONF_IDLE) rtl_ips_nic_off(hw); else rtl_ips_nic_on(hw); } else { /* *although rfoff may not cause by ips, but we will *check the reason in set_rf_power_state function */ if (unlikely(ppsc->rfpwr_state == ERFOFF)) rtl_ips_nic_on(hw); } /*For LPS */ if ((changed & IEEE80211_CONF_CHANGE_PS) && rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { cancel_delayed_work(&rtlpriv->works.ps_work); cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); if (conf->flags & IEEE80211_CONF_PS) { rtlpriv->psc.sw_ps_enabled = true; /* sleep here is must, or we may recv the beacon and * cause mac80211 into wrong ps state, this will cause * power save nullfunc send fail, and further cause * pkt loss, So sleep must quickly but not immediatly * because that will cause nullfunc send by mac80211 * fail, and cause pkt loss, we have tested that 5mA * is worked very well */ if (!rtlpriv->psc.multi_buffered) queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.ps_work, MSECS(5)); } else { rtl_swlps_rf_awake(hw); rtlpriv->psc.sw_ps_enabled = false; } } if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", hw->conf.long_frame_max_tx_count); /* brought up everything changes (changed == ~0) indicates first * open, so use our default value instead of that of wiphy. */ if (changed != ~0) { mac->retry_long = hw->conf.long_frame_max_tx_count; mac->retry_short = hw->conf.long_frame_max_tx_count; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, (u8 *)(&hw->conf.long_frame_max_tx_count)); } } if (changed & IEEE80211_CONF_CHANGE_CHANNEL && !rtlpriv->proximity.proxim_on) { struct ieee80211_channel *channel = hw->conf.chandef.chan; enum nl80211_chan_width width = hw->conf.chandef.width; enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; u8 wide_chan = (u8) channel->hw_value; /* channel_type is for 20&40M */ if (width < NL80211_CHAN_WIDTH_80) channel_type = cfg80211_get_chandef_type(&hw->conf.chandef); 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, *So if set_chan == current_network.chan *we should set it. *because mac80211 tell us wrong bw40 *info for cisco1253 bw20, so we modify *it here based on UPPER & LOWER */ if (width >= NL80211_CHAN_WIDTH_80) { if (width == NL80211_CHAN_WIDTH_80) { u32 center = hw->conf.chandef.center_freq1; u32 primary = (u32)hw->conf.chandef.chan->center_freq; rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_80; mac->bw_80 = true; mac->bw_40 = true; if (center > primary) { mac->cur_80_prime_sc = PRIME_CHNL_OFFSET_LOWER; if (center - primary == 10) { mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER; wide_chan += 2; } else if (center - primary == 30) { mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER; wide_chan += 6; } } else { mac->cur_80_prime_sc = PRIME_CHNL_OFFSET_UPPER; if (primary - center == 10) { mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER; wide_chan -= 2; } else if (primary - center == 30) { mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER; wide_chan -= 6; } } } } else { switch (channel_type) { case NL80211_CHAN_HT20: case NL80211_CHAN_NO_HT: /* SC */ mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_DONT_CARE; rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20; mac->bw_40 = false; mac->bw_80 = false; break; case NL80211_CHAN_HT40MINUS: /* SC */ mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER; rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20_40; mac->bw_40 = true; mac->bw_80 = false; /*wide channel */ wide_chan -= 2; break; case NL80211_CHAN_HT40PLUS: /* SC */ mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER; rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20_40; mac->bw_40 = true; mac->bw_80 = false; /*wide channel */ wide_chan += 2; break; default: mac->bw_40 = false; mac->bw_80 = false; pr_err("switch case %#x not processed\n", channel_type); break; } } if (wide_chan <= 0) wide_chan = 1; /* In scanning, when before we 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; mdelay(50); } rtlphy->current_channel = wide_chan; rtlpriv->cfg->ops->switch_channel(hw); rtlpriv->cfg->ops->set_channel_access(hw); rtlpriv->cfg->ops->set_bw_mode(hw, channel_type); } mutex_unlock(&rtlpriv->locks.conf_mutex); return 0; } static void rtl_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *new_flags, u64 multicast) { bool update_rcr = false; struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); *new_flags &= RTL_SUPPORTED_FILTERS; if (0 == changed_flags) return; /*TODO: we disable broadcase now, so enable here */ if (changed_flags & FIF_ALLMULTI) { if (*new_flags & FIF_ALLMULTI) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | rtlpriv->cfg->maps[MAC_RCR_AB]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Enable receive multicast frame\n"); } else { mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | rtlpriv->cfg->maps[MAC_RCR_AB]); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Disable receive multicast frame\n"); } update_rcr = true; } if (changed_flags & FIF_FCSFAIL) { if (*new_flags & FIF_FCSFAIL) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Enable receive FCS error frame\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Disable receive FCS error frame\n"); } if (!update_rcr) update_rcr = true; } /* if ssid not set to hw don't check bssid * here just used for linked scanning, & linked * 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 && mac->opmode != NL80211_IFTYPE_MESH_POINT) { if (*new_flags & FIF_BCN_PRBRESP_PROMISC) rtlpriv->cfg->ops->set_chk_bssid(hw, false); else rtlpriv->cfg->ops->set_chk_bssid(hw, true); if (update_rcr) update_rcr = false; } } if (changed_flags & FIF_CONTROL) { if (*new_flags & FIF_CONTROL) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Enable receive control frame.\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Disable receive control frame.\n"); } if (!update_rcr) update_rcr = true; } if (changed_flags & FIF_OTHER_BSS) { if (*new_flags & FIF_OTHER_BSS) { mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Enable receive other BSS's frame.\n"); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "Disable receive other BSS's frame.\n"); } if (!update_rcr) update_rcr = true; } if (update_rcr) rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)(&mac->rx_conf)); } static int rtl_op_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { 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) 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) sta_entry->wireless_mode = WIRELESS_MODE_N_5G; if (sta->vht_cap.vht_supported) sta_entry->wireless_mode = WIRELESS_MODE_AC_5G; 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); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "Add sta addr is %pM\n", sta->addr); rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); } return 0; } static int rtl_op_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_sta_info *sta_entry; if (sta) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "Remove sta addr is %pM\n", sta->addr); 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; switch (queue) { case 0: qnum = AC3_VO; break; case 1: qnum = AC2_VI; break; case 2: qnum = AC0_BE; break; case 3: qnum = AC1_BK; break; default: qnum = AC0_BE; break; } return qnum; } /* *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, const struct ieee80211_tx_queue_params *param) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); int aci; if (queue >= AC_MAX) { rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "queue number %d is incorrect!\n", queue); return -EINVAL; } aci = _rtl_get_hal_qnum(queue); mac->ac[aci].aifs = param->aifs; mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); mac->ac[aci].tx_op = cpu_to_le16(param->txop); memcpy(&mac->edca_param[aci], param, sizeof(*param)); rtlpriv->cfg->ops->set_qos(hw, aci); return 0; } static void send_beacon_frame(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct sk_buff *skb = ieee80211_beacon_get(hw, vif); struct rtl_tcb_desc tcb_desc; if (skb) { memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); } } static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changed) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtlpriv); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); mutex_lock(&rtlpriv->locks.conf_mutex); if (vif->type == NL80211_IFTYPE_ADHOC || vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_MESH_POINT) { if (changed & BSS_CHANGED_BEACON || (changed & BSS_CHANGED_BEACON_ENABLED && bss_conf->enable_beacon)) { if (mac->beacon_enabled == 0) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "BSS_CHANGED_BEACON_ENABLED\n"); /*start hw beacon interrupt. */ /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ mac->beacon_enabled = 1; rtlpriv->cfg->ops->update_interrupt_mask(hw, rtlpriv->cfg->maps [RTL_IBSS_INT_MASKS], 0); if (rtlpriv->cfg->ops->linked_set_reg) rtlpriv->cfg->ops->linked_set_reg(hw); send_beacon_frame(hw, vif); } } if ((changed & BSS_CHANGED_BEACON_ENABLED && !bss_conf->enable_beacon)) { if (mac->beacon_enabled == 1) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "ADHOC DISABLE BEACON\n"); mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, rtlpriv->cfg->maps [RTL_IBSS_INT_MASKS]); } } if (changed & BSS_CHANGED_BEACON_INT) { rtl_dbg(rtlpriv, COMP_BEACON, DBG_TRACE, "BSS_CHANGED_BEACON_INT\n"); mac->beacon_interval = bss_conf->beacon_int; rtlpriv->cfg->ops->set_bcn_intv(hw); } } /*TODO: reference to enum ieee80211_bss_change */ if (changed & BSS_CHANGED_ASSOC) { u8 mstatus; if (bss_conf->assoc) { struct ieee80211_sta *sta = NULL; u8 keep_alive = 10; mstatus = RT_MEDIA_CONNECT; /* we should reset all sec info & cam * before set cam after linked, we should not * reset in disassoc, that will cause tkip->wep * fail because some flag will be wrong */ /* reset sec info */ rtl_cam_reset_sec_info(hw); /* reset cam to fix wep fail issue * when change from wpa to wep */ rtl_cam_reset_all_entry(hw); mac->link_state = MAC80211_LINKED; mac->cnt_after_linked = 0; mac->assoc_id = bss_conf->aid; memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); if (rtlpriv->cfg->ops->linked_set_reg) rtlpriv->cfg->ops->linked_set_reg(hw); rcu_read_lock(); sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); if (!sta) { rcu_read_unlock(); goto out; } rtl_dbg(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); } if (rtlhal->current_bandtype == BAND_ON_5G) { mac->mode = WIRELESS_MODE_A; } else { if (sta->supp_rates[0] <= 0xf) mac->mode = WIRELESS_MODE_B; else mac->mode = WIRELESS_MODE_G; } if (sta->ht_cap.ht_supported) { if (rtlhal->current_bandtype == BAND_ON_2_4G) mac->mode = WIRELESS_MODE_N_24G; else mac->mode = WIRELESS_MODE_N_5G; } if (sta->vht_cap.vht_supported) { if (rtlhal->current_bandtype == BAND_ON_5G) mac->mode = WIRELESS_MODE_AC_5G; else mac->mode = WIRELESS_MODE_AC_24G; } if (vif->type == NL80211_IFTYPE_STATION) rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0, true); rcu_read_unlock(); /* to avoid AP Disassociation caused by inactivity */ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_KEEP_ALIVE, (u8 *)(&keep_alive)); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "BSS_CHANGED_ASSOC\n"); } else { struct cfg80211_bss *bss = NULL; mstatus = RT_MEDIA_DISCONNECT; if (mac->link_state == MAC80211_LINKED) rtl_lps_leave(hw, true); if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); mac->link_state = MAC80211_NOLINK; bss = cfg80211_get_bss(hw->wiphy, NULL, (u8 *)mac->bssid, NULL, 0, IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_OFF); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "bssid = %pMF\n", mac->bssid); if (bss) { cfg80211_unlink_bss(hw->wiphy, bss); cfg80211_put_bss(hw->wiphy, bss); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "cfg80211_unlink !!\n"); } eth_zero_addr(mac->bssid); mac->vendor = PEER_UNKNOWN; mac->mode = 0; if (rtlpriv->dm.supp_phymode_switch) { if (rtlpriv->cfg->ops->chk_switch_dmdp) rtlpriv->cfg->ops->chk_switch_dmdp(hw); } rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "BSS_CHANGED_UN_ASSOC\n"); } rtlpriv->cfg->ops->set_network_type(hw, vif->type); /* For FW LPS: * To tell firmware we have connected or disconnected */ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_H2C_FW_JOINBSSRPT, (u8 *)(&mstatus)); ppsc->report_linked = (mstatus == RT_MEDIA_CONNECT) ? true : false; if (rtlpriv->cfg->ops->get_btc_status()) rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( rtlpriv, mstatus); } if (changed & BSS_CHANGED_ERP_CTS_PROT) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_ERP_CTS_PROT\n"); mac->use_cts_protect = bss_conf->use_cts_prot; } if (changed & BSS_CHANGED_ERP_PREAMBLE) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", bss_conf->use_short_preamble); mac->short_preamble = bss_conf->use_short_preamble; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, (u8 *)(&mac->short_preamble)); } if (changed & BSS_CHANGED_ERP_SLOT) { rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_ERP_SLOT\n"); if (bss_conf->use_short_slot) mac->slot_time = RTL_SLOT_TIME_9; else mac->slot_time = RTL_SLOT_TIME_20; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, (u8 *)(&mac->slot_time)); } if (changed & BSS_CHANGED_HT) { struct ieee80211_sta *sta = NULL; rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n"); rcu_read_lock(); sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); if (sta) { if (sta->ht_cap.ampdu_density > mac->current_ampdu_density) mac->current_ampdu_density = sta->ht_cap.ampdu_density; if (sta->ht_cap.ampdu_factor < mac->current_ampdu_factor) mac->current_ampdu_factor = sta->ht_cap.ampdu_factor; } rcu_read_unlock(); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, (u8 *)(&mac->max_mss_density)); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, &mac->current_ampdu_factor); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, &mac->current_ampdu_density); } if (changed & BSS_CHANGED_BSSID) { u32 basic_rates; struct ieee80211_sta *sta = NULL; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, (u8 *)bss_conf->bssid); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_DMESG, "bssid: %pM\n", bss_conf->bssid); mac->vendor = PEER_UNKNOWN; memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); rcu_read_lock(); sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); if (!sta) { rcu_read_unlock(); goto out; } if (rtlhal->current_bandtype == BAND_ON_5G) { mac->mode = WIRELESS_MODE_A; } else { if (sta->supp_rates[0] <= 0xf) mac->mode = WIRELESS_MODE_B; else mac->mode = WIRELESS_MODE_G; } if (sta->ht_cap.ht_supported) { if (rtlhal->current_bandtype == BAND_ON_2_4G) mac->mode = WIRELESS_MODE_N_24G; else mac->mode = WIRELESS_MODE_N_5G; } if (sta->vht_cap.vht_supported) { if (rtlhal->current_bandtype == BAND_ON_5G) mac->mode = WIRELESS_MODE_AC_5G; else mac->mode = WIRELESS_MODE_AC_24G; } /* just station need it, because ibss & ap mode will * set in sta_add, and will be NULL here */ if (vif->type == NL80211_IFTYPE_STATION) { struct rtl_sta_info *sta_entry; sta_entry = (struct rtl_sta_info *)sta->drv_priv; sta_entry->wireless_mode = mac->mode; } if (sta->ht_cap.ht_supported) { mac->ht_enable = true; /* * for cisco 1252 bw20 it's wrong * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { * mac->bw_40 = true; * } * */ } if (sta->vht_cap.vht_supported) mac->vht_enable = true; if (changed & BSS_CHANGED_BASIC_RATES) { /* 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; else basic_rates = sta->supp_rates[0]; mac->basic_rates = basic_rates; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, (u8 *)(&basic_rates)); } rcu_read_unlock(); } out: mutex_unlock(&rtlpriv->locks.conf_mutex); } static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); u64 tsf; rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&tsf)); return tsf; } static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; mac->tsf = tsf; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *)(&bibss)); } static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); u8 tmp = 0; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *)(&tmp)); } static void rtl_op_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd cmd, struct ieee80211_sta *sta) { switch (cmd) { case STA_NOTIFY_SLEEP: break; case STA_NOTIFY_AWAKE: break; default: break; } } static int rtl_op_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct ieee80211_sta *sta = params->sta; enum ieee80211_ampdu_mlme_action action = params->action; u16 tid = params->tid; u16 *ssn = ¶ms->ssn; switch (action) { case IEEE80211_AMPDU_TX_START: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); return rtl_tx_agg_start(hw, vif, sta, tid, ssn); case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); return rtl_tx_agg_stop(hw, vif, sta, tid); case IEEE80211_AMPDU_TX_OPERATIONAL: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); rtl_tx_agg_oper(hw, sta, tid); break; case IEEE80211_AMPDU_RX_START: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); return rtl_rx_agg_start(hw, sta, tid); case IEEE80211_AMPDU_RX_STOP: rtl_dbg(rtlpriv, COMP_MAC80211, DBG_TRACE, "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); return rtl_rx_agg_stop(hw, sta, tid); default: pr_err("IEEE80211_AMPDU_ERR!!!!:\n"); return -EOPNOTSUPP; } return 0; } static void rtl_op_sw_scan_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const u8 *mac_addr) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); mac->act_scanning = true; if (rtlpriv->link_info.higher_busytraffic) { mac->skip_scan = true; return; } if (rtlpriv->cfg->ops->get_btc_status()) rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 1); else if (rtlpriv->btcoexist.btc_ops) rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 1); 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, true); mac->link_state = MAC80211_LINKED_SCANNING; } else { rtl_ips_nic_on(hw); } /* Dul mac */ rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP_BAND0); } static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); rtl_dbg(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); mac->act_scanning = false; mac->skip_scan = false; rtlpriv->btcoexist.btc_info.ap_num = rtlpriv->scan_list.num; 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; /* Dul mac */ rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; if (mac->link_state == MAC80211_LINKED_SCANNING) { mac->link_state = MAC80211_LINKED; if (mac->opmode == NL80211_IFTYPE_STATION) { /* fix fwlps issue */ rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); } } rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); if (rtlpriv->cfg->ops->get_btc_status()) rtlpriv->btcoexist.btc_ops->btc_scan_notify(rtlpriv, 0); else if (rtlpriv->btcoexist.btc_ops) rtlpriv->btcoexist.btc_ops->btc_scan_notify_wifi_only(rtlpriv, 0); } static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { struct rtl_priv *rtlpriv = rtl_priv(hw); u8 key_type = NO_ENCRYPTION; u8 key_idx; bool group_key = false; bool wep_only = false; int err = 0; u8 mac_addr[ETH_ALEN]; u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; rtlpriv->btcoexist.btc_info.in_4way = false; if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING, "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; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "%s hardware based encryption for keyidx: %d, mac: %pM\n", cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, sta ? sta->addr : bcast_addr); rtlpriv->sec.being_setkey = true; rtl_ips_nic_on(hw); mutex_lock(&rtlpriv->locks.conf_mutex); /* <1> get encryption alg */ switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: key_type = WEP40_ENCRYPTION; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); break; case WLAN_CIPHER_SUITE_WEP104: rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); key_type = WEP104_ENCRYPTION; break; case WLAN_CIPHER_SUITE_TKIP: key_type = TKIP_ENCRYPTION; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); break; case WLAN_CIPHER_SUITE_CCMP: key_type = AESCCMP_ENCRYPTION; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); break; case WLAN_CIPHER_SUITE_AES_CMAC: /* HW don't support CMAC encryption, * use software CMAC encryption */ key_type = AESCMAC_ENCRYPTION; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "HW don't support CMAC encryption, use software CMAC encryption\n"); err = -EOPNOTSUPP; goto out_unlock; default: pr_err("alg_err:%x!!!!:\n", key->cipher); goto out_unlock; } if (key_type == WEP40_ENCRYPTION || key_type == WEP104_ENCRYPTION || vif->type == NL80211_IFTYPE_ADHOC) rtlpriv->sec.use_defaultkey = true; /* <2> get key_idx */ key_idx = (u8) (key->keyidx); if (key_idx > 3) goto out_unlock; /* <3> if pairwise key enable_hw_sec */ group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); /* wep always be group key, but there are two conditions: * 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. * 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 (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) wep_only = true; rtlpriv->cfg->ops->enable_hw_sec(hw); } } else { if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { if (rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION && (key_type == WEP40_ENCRYPTION || key_type == WEP104_ENCRYPTION)) wep_only = true; rtlpriv->sec.pairwise_enc_algorithm = key_type; rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", key_type); rtlpriv->cfg->ops->enable_hw_sec(hw); } } /* <4> set key based on cmd */ switch (cmd) { case SET_KEY: if (wep_only) { rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "set WEP(group/pairwise) key\n"); /* Pairwise key with an assigned MAC address. */ rtlpriv->sec.pairwise_enc_algorithm = key_type; rtlpriv->sec.group_enc_algorithm = key_type; /*set local buf about wep key. */ memcpy(rtlpriv->sec.key_buf[key_idx], key->key, key->keylen); rtlpriv->sec.key_len[key_idx] = key->keylen; eth_zero_addr(mac_addr); } else if (group_key) { /* group key */ rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "set group key\n"); /* group key */ rtlpriv->sec.group_enc_algorithm = key_type; /*set local buf about group key. */ memcpy(rtlpriv->sec.key_buf[key_idx], key->key, key->keylen); rtlpriv->sec.key_len[key_idx] = key->keylen; memcpy(mac_addr, bcast_addr, ETH_ALEN); } else { /* pairwise key */ rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "set pairwise key\n"); if (!sta) { WARN_ONCE(true, "rtlwifi: pairwise key without mac_addr\n"); err = -EOPNOTSUPP; goto out_unlock; } /* Pairwise key with an assigned MAC address. */ rtlpriv->sec.pairwise_enc_algorithm = key_type; /*set local buf about pairwise key. */ memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], key->key, key->keylen); rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; rtlpriv->sec.pairwise_key = rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; memcpy(mac_addr, sta->addr, ETH_ALEN); } rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, group_key, key_type, wep_only, false); /* <5> tell mac80211 do something: */ /*must use sw generate IV, or can not work !!!!. */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 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: rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "disable key delete one entry\n"); /*set local buf about wep key. */ if (vif->type == NL80211_IFTYPE_AP || vif->type == NL80211_IFTYPE_MESH_POINT) { if (sta) rtl_cam_del_entry(hw, sta->addr); } memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); rtlpriv->sec.key_len[key_idx] = 0; eth_zero_addr(mac_addr); /* *mac80211 will delete entrys one by one, *so don't use rtl_cam_reset_all_entry *or clear all entry here. */ rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ rtl_cam_delete_one_entry(hw, mac_addr, key_idx); break; default: pr_err("cmd_err:%x!!!!:\n", cmd); } out_unlock: mutex_unlock(&rtlpriv->locks.conf_mutex); rtlpriv->sec.being_setkey = false; return err; } static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); bool radio_state; bool blocked; u8 valid = 0; if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) return; mutex_lock(&rtlpriv->locks.conf_mutex); /*if Radio On return true here */ radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); if (valid) { if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { rtlpriv->rfkill.rfkill_state = radio_state; rtl_dbg(rtlpriv, COMP_RF, DBG_DMESG, "wireless radio switch turned %s\n", radio_state ? "on" : "off"); blocked = !rtlpriv->rfkill.rfkill_state; wiphy_rfkill_set_hw_state(hw->wiphy, blocked); } } mutex_unlock(&rtlpriv->locks.conf_mutex); } /* this function is called by mac80211 to flush tx buffer * before switch channle 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, struct ieee80211_vif *vif, u32 queues, bool drop) { struct rtl_priv *rtlpriv = rtl_priv(hw); if (rtlpriv->intf_ops->flush) rtlpriv->intf_ops->flush(hw, queues, drop); } /* Description: * This routine deals with the Power Configuration CMD * parsing for RTL8723/RTL8188E Series IC. * Assumption: * We should follow specific format that was released from HW SD. */ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, u8 faversion, u8 interface_type, struct wlan_pwr_cfg pwrcfgcmd[]) { struct wlan_pwr_cfg cfg_cmd; bool polling_bit = false; u32 ary_idx = 0; u8 value = 0; u32 offset = 0; u32 polling_count = 0; u32 max_polling_cnt = 5000; do { cfg_cmd = pwrcfgcmd[ary_idx]; rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "%s: offset(%#x),cut_msk(%#x), famsk(%#x), interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", __func__, GET_PWR_CFG_OFFSET(cfg_cmd), GET_PWR_CFG_CUT_MASK(cfg_cmd), GET_PWR_CFG_FAB_MASK(cfg_cmd), GET_PWR_CFG_INTF_MASK(cfg_cmd), GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { switch (GET_PWR_CFG_CMD(cfg_cmd)) { case PWR_CMD_READ: rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); break; case PWR_CMD_WRITE: rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "%s(): PWR_CMD_WRITE\n", __func__); offset = GET_PWR_CFG_OFFSET(cfg_cmd); /*Read the value from system register*/ value = rtl_read_byte(rtlpriv, offset); value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); value |= (GET_PWR_CFG_VALUE(cfg_cmd) & GET_PWR_CFG_MASK(cfg_cmd)); /*Write the value back to sytem register*/ rtl_write_byte(rtlpriv, offset, value); break; case PWR_CMD_POLLING: rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); polling_bit = false; offset = GET_PWR_CFG_OFFSET(cfg_cmd); do { value = rtl_read_byte(rtlpriv, offset); value &= GET_PWR_CFG_MASK(cfg_cmd); if (value == (GET_PWR_CFG_VALUE(cfg_cmd) & GET_PWR_CFG_MASK(cfg_cmd))) polling_bit = true; else udelay(10); if (polling_count++ > max_polling_cnt) return false; } while (!polling_bit); break; case PWR_CMD_DELAY: rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "%s: PWR_CMD_DELAY\n", __func__); if (GET_PWR_CFG_VALUE(cfg_cmd) == PWRSEQ_DELAY_US) udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); else mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); break; case PWR_CMD_END: rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "%s: PWR_CMD_END\n", __func__); return true; default: WARN_ONCE(true, "rtlwifi: rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); break; } } ary_idx++; } while (1); return true; } EXPORT_SYMBOL(rtl_hal_pwrseqcmdparsing); bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl8192_tx_ring *ring; struct rtl_tx_desc *pdesc; unsigned long flags; struct sk_buff *pskb = NULL; ring = &rtlpci->tx_ring[BEACON_QUEUE]; spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); pskb = __skb_dequeue(&ring->queue); if (pskb) dev_kfree_skb_irq(pskb); /*this is wrong, fill_tx_cmddesc needs update*/ pdesc = &ring->desc[0]; rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); __skb_queue_tail(&ring->queue, skb); spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE); return true; } EXPORT_SYMBOL(rtl_cmd_send_packet); const struct ieee80211_ops rtl_ops = { .start = rtl_op_start, .stop = rtl_op_stop, .tx = rtl_op_tx, .add_interface = rtl_op_add_interface, .remove_interface = rtl_op_remove_interface, .change_interface = rtl_op_change_interface, #ifdef CONFIG_PM .suspend = rtl_op_suspend, .resume = rtl_op_resume, #endif .config = rtl_op_config, .configure_filter = rtl_op_configure_filter, .set_key = rtl_op_set_key, .conf_tx = rtl_op_conf_tx, .bss_info_changed = rtl_op_bss_info_changed, .get_tsf = rtl_op_get_tsf, .set_tsf = rtl_op_set_tsf, .reset_tsf = rtl_op_reset_tsf, .sta_notify = rtl_op_sta_notify, .ampdu_action = rtl_op_ampdu_action, .sw_scan_start = rtl_op_sw_scan_start, .sw_scan_complete = rtl_op_sw_scan_complete, .rfkill_poll = rtl_op_rfkill_poll, .sta_add = rtl_op_sta_add, .sta_remove = rtl_op_sta_remove, .flush = rtl_op_flush, }; EXPORT_SYMBOL_GPL(rtl_ops); bool rtl_btc_status_false(void) { return false; } EXPORT_SYMBOL_GPL(rtl_btc_status_false); void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct dig_t *dm_digtable = &rtlpriv->dm_digtable; dm_digtable->dig_enable_flag = true; dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; dm_digtable->cur_igvalue = cur_igvalue; dm_digtable->pre_igvalue = 0; dm_digtable->cur_sta_cstate = DIG_STA_DISCONNECT; dm_digtable->presta_cstate = DIG_STA_DISCONNECT; dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; dm_digtable->rx_gain_max = DM_DIG_MAX; dm_digtable->rx_gain_min = DM_DIG_MIN; dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; dm_digtable->pre_cck_cca_thres = 0xff; dm_digtable->cur_cck_cca_thres = 0x83; dm_digtable->forbidden_igi = DM_DIG_MIN; dm_digtable->large_fa_hit = 0; dm_digtable->recover_cnt = 0; dm_digtable->dig_min_0 = 0x25; dm_digtable->dig_min_1 = 0x25; dm_digtable->media_connect_0 = false; dm_digtable->media_connect_1 = false; rtlpriv->dm.dm_initialgain_enable = true; dm_digtable->bt30_cur_igi = 0x32; dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI; dm_digtable->pre_cck_fa_state = 0; dm_digtable->cur_cck_fa_state = 0; } EXPORT_SYMBOL(rtl_dm_diginit);