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path: root/drivers/net/wireless/realtek/rtw88/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/mac80211.c')
-rw-r--r--drivers/net/wireless/realtek/rtw88/mac80211.c969
1 files changed, 969 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
new file mode 100644
index 0000000000..d8d68f1601
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -0,0 +1,969 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include "main.h"
+#include "sec.h"
+#include "tx.h"
+#include "fw.h"
+#include "mac.h"
+#include "coex.h"
+#include "ps.h"
+#include "reg.h"
+#include "bf.h"
+#include "debug.h"
+#include "wow.h"
+#include "sar.h"
+
+static void rtw_ops_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) {
+ ieee80211_free_txskb(hw, skb);
+ return;
+ }
+
+ rtw_tx(rtwdev, control, skb);
+}
+
+static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
+
+ if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
+ return;
+
+ spin_lock_bh(&rtwdev->txq_lock);
+ if (list_empty(&rtwtxq->list))
+ list_add_tail(&rtwtxq->list, &rtwdev->txqs);
+ spin_unlock_bh(&rtwdev->txq_lock);
+
+ /* ensure to dequeue EAPOL (4/4) at the right time */
+ if (txq->ac == IEEE80211_AC_VO)
+ __rtw_tx_work(rtwdev);
+ else
+ queue_work(rtwdev->tx_wq, &rtwdev->tx_work);
+}
+
+static int rtw_ops_start(struct ieee80211_hw *hw)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw_core_start(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static void rtw_ops_stop(struct ieee80211_hw *hw)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_core_stop(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret = 0;
+
+ /* let previous ips work finish to ensure we don't leave ips twice */
+ cancel_work_sync(&rtwdev->ips_work);
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
+ !(hw->conf.flags & IEEE80211_CONF_IDLE)) {
+ ret = rtw_leave_ips(rtwdev);
+ if (ret) {
+ rtw_err(rtwdev, "failed to leave idle state\n");
+ goto out;
+ }
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
+ rtw_set_channel(rtwdev);
+
+ if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
+ (hw->conf.flags & IEEE80211_CONF_IDLE) &&
+ !test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
+ rtw_enter_ips(rtwdev);
+
+out:
+ mutex_unlock(&rtwdev->mutex);
+ return ret;
+}
+
+static const struct rtw_vif_port rtw_vif_port[] = {
+ [0] = {
+ .mac_addr = {.addr = 0x0610},
+ .bssid = {.addr = 0x0618},
+ .net_type = {.addr = 0x0100, .mask = 0x30000},
+ .aid = {.addr = 0x06a8, .mask = 0x7ff},
+ .bcn_ctrl = {.addr = 0x0550, .mask = 0xff},
+ },
+ [1] = {
+ .mac_addr = {.addr = 0x0700},
+ .bssid = {.addr = 0x0708},
+ .net_type = {.addr = 0x0100, .mask = 0xc0000},
+ .aid = {.addr = 0x0710, .mask = 0x7ff},
+ .bcn_ctrl = {.addr = 0x0551, .mask = 0xff},
+ },
+ [2] = {
+ .mac_addr = {.addr = 0x1620},
+ .bssid = {.addr = 0x1628},
+ .net_type = {.addr = 0x1100, .mask = 0x3},
+ .aid = {.addr = 0x1600, .mask = 0x7ff},
+ .bcn_ctrl = {.addr = 0x0578, .mask = 0xff},
+ },
+ [3] = {
+ .mac_addr = {.addr = 0x1630},
+ .bssid = {.addr = 0x1638},
+ .net_type = {.addr = 0x1100, .mask = 0xc},
+ .aid = {.addr = 0x1604, .mask = 0x7ff},
+ .bcn_ctrl = {.addr = 0x0579, .mask = 0xff},
+ },
+ [4] = {
+ .mac_addr = {.addr = 0x1640},
+ .bssid = {.addr = 0x1648},
+ .net_type = {.addr = 0x1100, .mask = 0x30},
+ .aid = {.addr = 0x1608, .mask = 0x7ff},
+ .bcn_ctrl = {.addr = 0x057a, .mask = 0xff},
+ },
+};
+
+static int rtw_ops_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
+ enum rtw_net_type net_type;
+ u32 config = 0;
+ u8 port;
+ u8 bcn_ctrl = 0;
+
+ if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER))
+ vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
+ IEEE80211_VIF_SUPPORTS_CQM_RSSI;
+ rtwvif->stats.tx_unicast = 0;
+ rtwvif->stats.rx_unicast = 0;
+ rtwvif->stats.tx_cnt = 0;
+ rtwvif->stats.rx_cnt = 0;
+ rtwvif->scan_req = NULL;
+ memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee));
+ rtw_txq_init(rtwdev, vif->txq);
+ INIT_LIST_HEAD(&rtwvif->rsvd_page_list);
+
+ mutex_lock(&rtwdev->mutex);
+
+ port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM);
+ if (port >= RTW_PORT_NUM) {
+ mutex_unlock(&rtwdev->mutex);
+ return -EINVAL;
+ }
+ set_bit(port, rtwdev->hw_port);
+
+ rtwvif->port = port;
+ rtwvif->conf = &rtw_vif_port[port];
+ rtw_leave_lps_deep(rtwdev);
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_MESH_POINT:
+ rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
+ net_type = RTW_NET_AP_MODE;
+ bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
+ net_type = RTW_NET_AD_HOC;
+ bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
+ break;
+ case NL80211_IFTYPE_STATION:
+ rtw_add_rsvd_page_sta(rtwdev, rtwvif);
+ net_type = RTW_NET_NO_LINK;
+ bcn_ctrl = BIT_EN_BCN_FUNCTION;
+ break;
+ default:
+ WARN_ON(1);
+ clear_bit(rtwvif->port, rtwdev->hw_port);
+ mutex_unlock(&rtwdev->mutex);
+ return -EINVAL;
+ }
+
+ ether_addr_copy(rtwvif->mac_addr, vif->addr);
+ config |= PORT_SET_MAC_ADDR;
+ rtwvif->net_type = net_type;
+ config |= PORT_SET_NET_TYPE;
+ rtwvif->bcn_ctrl = bcn_ctrl;
+ config |= PORT_SET_BCN_CTRL;
+ rtw_vif_port_config(rtwdev, rtwvif, config);
+ rtw_core_port_switch(rtwdev, vif);
+ rtw_recalc_lps(rtwdev, vif);
+
+ mutex_unlock(&rtwdev->mutex);
+
+ rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port);
+ return 0;
+}
+
+static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
+ u32 config = 0;
+
+ rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port);
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ rtw_txq_cleanup(rtwdev, vif->txq);
+ rtw_remove_rsvd_page(rtwdev, rtwvif);
+
+ eth_zero_addr(rtwvif->mac_addr);
+ config |= PORT_SET_MAC_ADDR;
+ rtwvif->net_type = RTW_NET_NO_LINK;
+ config |= PORT_SET_NET_TYPE;
+ rtwvif->bcn_ctrl = 0;
+ config |= PORT_SET_BCN_CTRL;
+ rtw_vif_port_config(rtwdev, rtwvif, config);
+ clear_bit(rtwvif->port, rtwdev->hw_port);
+ rtw_recalc_lps(rtwdev, NULL);
+
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_change_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum nl80211_iftype type, bool p2p)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n",
+ vif->addr, vif->type, type, vif->p2p, p2p);
+
+ rtw_ops_remove_interface(hw, vif);
+
+ vif->type = type;
+ vif->p2p = p2p;
+
+ return rtw_ops_add_interface(hw, vif);
+}
+
+static void rtw_ops_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *new_flags,
+ u64 multicast)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL |
+ FIF_BCN_PRBRESP_PROMISC;
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ if (changed_flags & FIF_ALLMULTI) {
+ if (*new_flags & FIF_ALLMULTI)
+ rtwdev->hal.rcr |= BIT_AM;
+ else
+ rtwdev->hal.rcr &= ~(BIT_AM);
+ }
+ if (changed_flags & FIF_FCSFAIL) {
+ if (*new_flags & FIF_FCSFAIL)
+ rtwdev->hal.rcr |= BIT_ACRC32;
+ else
+ rtwdev->hal.rcr &= ~(BIT_ACRC32);
+ }
+ if (changed_flags & FIF_OTHER_BSS) {
+ if (*new_flags & FIF_OTHER_BSS)
+ rtwdev->hal.rcr |= BIT_AAP;
+ else
+ rtwdev->hal.rcr &= ~(BIT_AAP);
+ }
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
+ rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA);
+ else
+ rtwdev->hal.rcr |= BIT_CBSSID_BCN;
+ }
+
+ rtw_dbg(rtwdev, RTW_DBG_RX,
+ "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n",
+ changed_flags, *new_flags, rtwdev->hal.rcr);
+
+ rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
+
+ mutex_unlock(&rtwdev->mutex);
+}
+
+/* Only have one group of EDCA parameters now */
+static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = {
+ [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM,
+ [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM,
+ [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM,
+ [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM,
+};
+
+static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev,
+ struct rtw_vif *rtwvif, u8 aifsn)
+{
+ struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
+ u8 slot_time;
+ u8 sifs;
+
+ slot_time = vif->bss_conf.use_short_slot ? 9 : 20;
+ sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10;
+
+ return aifsn * slot_time + sifs;
+}
+
+static void __rtw_conf_tx(struct rtw_dev *rtwdev,
+ struct rtw_vif *rtwvif, u16 ac)
+{
+ struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac];
+ u32 edca_param = ac_to_edca_param[ac];
+ u8 ecw_max, ecw_min;
+ u8 aifs;
+
+ /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */
+ ecw_max = ilog2(params->cw_max + 1);
+ ecw_min = ilog2(params->cw_min + 1);
+ aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs);
+ rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop);
+ rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max);
+ rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min);
+ rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs);
+}
+
+static void rtw_conf_tx(struct rtw_dev *rtwdev,
+ struct rtw_vif *rtwvif)
+{
+ u16 ac;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ __rtw_conf_tx(rtwdev, rtwvif, ac);
+}
+
+static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *conf,
+ u64 changed)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
+ struct rtw_coex *coex = &rtwdev->coex;
+ struct rtw_coex_stat *coex_stat = &coex->stat;
+ u32 config = 0;
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ rtw_vif_assoc_changed(rtwvif, conf);
+ if (vif->cfg.assoc) {
+ rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH);
+
+ rtw_fw_download_rsvd_page(rtwdev);
+ rtw_send_rsvd_page_h2c(rtwdev);
+ rtw_fw_default_port(rtwdev, rtwvif);
+ rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc);
+ if (rtw_bf_support)
+ rtw_bf_assoc(rtwdev, vif, conf);
+ } else {
+ rtw_leave_lps(rtwdev);
+ rtw_bf_disassoc(rtwdev, vif, conf);
+ /* Abort ongoing scan if cancel_scan isn't issued
+ * when disconnected by peer
+ */
+ if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
+ rtw_hw_scan_abort(rtwdev);
+
+ }
+
+ config |= PORT_SET_NET_TYPE;
+ config |= PORT_SET_AID;
+ }
+
+ if (changed & BSS_CHANGED_BSSID) {
+ ether_addr_copy(rtwvif->bssid, conf->bssid);
+ config |= PORT_SET_BSSID;
+ if (!rtw_core_check_sta_active(rtwdev))
+ rtw_clear_op_chan(rtwdev);
+ else
+ rtw_store_op_chan(rtwdev, true);
+ }
+
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION)
+ coex_stat->wl_beacon_interval = conf->beacon_int;
+ }
+
+ if (changed & BSS_CHANGED_BEACON) {
+ rtw_set_dtim_period(rtwdev, conf->dtim_period);
+ rtw_fw_download_rsvd_page(rtwdev);
+ rtw_send_rsvd_page_h2c(rtwdev);
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ if (conf->enable_beacon)
+ rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL,
+ BIT_EN_BCNQ_DL);
+ else
+ rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL,
+ BIT_EN_BCNQ_DL);
+ }
+ if (changed & BSS_CHANGED_CQM)
+ rtw_fw_beacon_filter_config(rtwdev, true, vif);
+
+ if (changed & BSS_CHANGED_MU_GROUPS)
+ rtw_chip_set_gid_table(rtwdev, vif, conf);
+
+ if (changed & BSS_CHANGED_ERP_SLOT)
+ rtw_conf_tx(rtwdev, rtwvif);
+
+ if (changed & BSS_CHANGED_PS)
+ rtw_recalc_lps(rtwdev, NULL);
+
+ rtw_vif_port_config(rtwdev, rtwvif, config);
+
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_start_ap(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ const struct rtw_chip_info *chip = rtwdev->chip;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD);
+ rtwdev->ap_active = true;
+ rtw_store_op_chan(rtwdev, true);
+ chip->ops->phy_calibration(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static void rtw_ops_stop_ap(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_write32_clr(rtwdev, REG_TCR, BIT_TCR_UPDATE_HGQMD);
+ rtwdev->ap_active = false;
+ if (!rtw_core_check_sta_active(rtwdev))
+ rtw_clear_op_chan(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_conf_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ unsigned int link_id, u16 ac,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ rtwvif->tx_params[ac] = *params;
+ __rtw_conf_tx(rtwdev, rtwvif, ac);
+
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static int rtw_ops_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret = 0;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw_sta_add(rtwdev, sta, vif);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static int rtw_ops_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_fw_beacon_filter_config(rtwdev, false, vif);
+ rtw_sta_remove(rtwdev, sta, true);
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+ bool set)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ ieee80211_queue_work(hw, &rtwdev->update_beacon_work);
+
+ return 0;
+}
+
+static int rtw_ops_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 rtw_dev *rtwdev = hw->priv;
+ struct rtw_sec_desc *sec = &rtwdev->sec;
+ u8 hw_key_type;
+ u8 hw_key_idx;
+ int ret = 0;
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ hw_key_type = RTW_CAM_WEP40;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ hw_key_type = RTW_CAM_WEP104;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ hw_key_type = RTW_CAM_TKIP;
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ hw_key_type = RTW_CAM_AES;
+ key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+ case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+ case WLAN_CIPHER_SUITE_BIP_GMAC_256:
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ /* suppress error messages */
+ return -EOPNOTSUPP;
+ default:
+ return -ENOTSUPP;
+ }
+
+ mutex_lock(&rtwdev->mutex);
+
+ rtw_leave_lps_deep(rtwdev);
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ hw_key_idx = rtw_sec_get_free_cam(sec);
+ } else {
+ /* multiple interfaces? */
+ hw_key_idx = key->keyidx;
+ }
+
+ if (hw_key_idx > sec->total_cam_num) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ switch (cmd) {
+ case SET_KEY:
+ /* need sw generated IV */
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ key->hw_key_idx = hw_key_idx;
+ rtw_sec_write_cam(rtwdev, sec, sta, key,
+ hw_key_type, hw_key_idx);
+ break;
+ case DISABLE_KEY:
+ rtw_hci_flush_all_queues(rtwdev, false);
+ rtw_mac_flush_all_queues(rtwdev, false);
+ rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx);
+ break;
+ }
+
+ /* download new cam settings for PG to backup */
+ if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG)
+ rtw_fw_download_rsvd_page(rtwdev);
+
+out:
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static int rtw_ops_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ struct ieee80211_sta *sta = params->sta;
+ u16 tid = params->tid;
+ struct ieee80211_txq *txq = sta->txq[tid];
+ struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
+
+ switch (params->action) {
+ case IEEE80211_AMPDU_TX_START:
+ return IEEE80211_AMPDU_TX_START_IMMEDIATE;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
+ break;
+ case IEEE80211_AMPDU_RX_START:
+ case IEEE80211_AMPDU_RX_STOP:
+ break;
+ default:
+ WARN_ON(1);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw,
+ struct sk_buff *head,
+ struct sk_buff *skb)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_hal *hal = &rtwdev->hal;
+
+ /* we don't want to enable TX AMSDU on 2.4G */
+ if (hal->current_band_type == RTW_BAND_2G)
+ return false;
+
+ return true;
+}
+
+static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const u8 *mac_addr)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_core_scan_complete(rtwdev, vif, false);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_prep_tx_info *info)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_leave_lps_deep(rtwdev);
+ rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START);
+ rtw_chip_prepare_tx(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtwdev->rts_threshold = value;
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static void rtw_ops_sta_statistics(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
+
+ sinfo->txrate = si->ra_report.txrate;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+}
+
+static void rtw_ops_flush(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u32 queues, bool drop)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_leave_lps_deep(rtwdev);
+
+ rtw_hci_flush_queues(rtwdev, queues, drop);
+ rtw_mac_flush_queues(rtwdev, queues, drop);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+struct rtw_iter_bitrate_mask_data {
+ struct rtw_dev *rtwdev;
+ struct ieee80211_vif *vif;
+ const struct cfg80211_bitrate_mask *mask;
+};
+
+static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta)
+{
+ struct rtw_iter_bitrate_mask_data *br_data = data;
+ struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
+
+ if (si->vif != br_data->vif)
+ return;
+
+ /* free previous mask setting */
+ kfree(si->mask);
+ si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask),
+ GFP_ATOMIC);
+ if (!si->mask) {
+ si->use_cfg_mask = false;
+ return;
+ }
+
+ si->use_cfg_mask = true;
+ rtw_update_sta_info(br_data->rtwdev, si, true);
+}
+
+static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct rtw_iter_bitrate_mask_data br_data;
+
+ br_data.rtwdev = rtwdev;
+ br_data.vif = vif;
+ br_data.mask = mask;
+ rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data);
+}
+
+static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_ra_mask_info_update(rtwdev, vif, mask);
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static int rtw_ops_set_antenna(struct ieee80211_hw *hw,
+ u32 tx_antenna,
+ u32 rx_antenna)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ const struct rtw_chip_info *chip = rtwdev->chip;
+ int ret;
+
+ if (!chip->ops->set_antenna)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static int rtw_ops_get_antenna(struct ieee80211_hw *hw,
+ u32 *tx_antenna,
+ u32 *rx_antenna)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_hal *hal = &rtwdev->hal;
+
+ *tx_antenna = hal->antenna_tx;
+ *rx_antenna = hal->antenna_rx;
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int rtw_ops_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw_wow_suspend(rtwdev, wowlan);
+ if (ret)
+ rtw_err(rtwdev, "failed to suspend for wow %d\n", ret);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret ? 1 : 0;
+}
+
+static int rtw_ops_resume(struct ieee80211_hw *hw)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw_wow_resume(rtwdev);
+ if (ret)
+ rtw_err(rtwdev, "failed to resume for wow %d\n", ret);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret ? 1 : 0;
+}
+
+static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ device_set_wakeup_enable(rtwdev->dev, enabled);
+}
+#endif
+
+static void rtw_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART)
+ clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *req)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ int ret;
+
+ if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
+ return 1;
+
+ if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
+ return -EBUSY;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_hw_scan_start(rtwdev, vif, req);
+ ret = rtw_hw_scan_offload(rtwdev, vif, true);
+ if (ret) {
+ rtw_hw_scan_abort(rtwdev);
+ rtw_err(rtwdev, "HW scan failed with status: %d\n", ret);
+ }
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD))
+ return;
+
+ if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
+ return;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_hw_scan_abort(rtwdev);
+ mutex_unlock(&rtwdev->mutex);
+}
+
+static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw,
+ const struct cfg80211_sar_specs *sar)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+
+ mutex_lock(&rtwdev->mutex);
+ rtw_set_sar_specs(rtwdev, sar);
+ mutex_unlock(&rtwdev->mutex);
+
+ return 0;
+}
+
+static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u32 changed)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
+
+ if (changed & IEEE80211_RC_BW_CHANGED)
+ ieee80211_queue_work(rtwdev->hw, &si->rc_work);
+}
+
+const struct ieee80211_ops rtw_ops = {
+ .tx = rtw_ops_tx,
+ .wake_tx_queue = rtw_ops_wake_tx_queue,
+ .start = rtw_ops_start,
+ .stop = rtw_ops_stop,
+ .config = rtw_ops_config,
+ .add_interface = rtw_ops_add_interface,
+ .remove_interface = rtw_ops_remove_interface,
+ .change_interface = rtw_ops_change_interface,
+ .configure_filter = rtw_ops_configure_filter,
+ .bss_info_changed = rtw_ops_bss_info_changed,
+ .start_ap = rtw_ops_start_ap,
+ .stop_ap = rtw_ops_stop_ap,
+ .conf_tx = rtw_ops_conf_tx,
+ .sta_add = rtw_ops_sta_add,
+ .sta_remove = rtw_ops_sta_remove,
+ .set_tim = rtw_ops_set_tim,
+ .set_key = rtw_ops_set_key,
+ .ampdu_action = rtw_ops_ampdu_action,
+ .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu,
+ .sw_scan_start = rtw_ops_sw_scan_start,
+ .sw_scan_complete = rtw_ops_sw_scan_complete,
+ .mgd_prepare_tx = rtw_ops_mgd_prepare_tx,
+ .set_rts_threshold = rtw_ops_set_rts_threshold,
+ .sta_statistics = rtw_ops_sta_statistics,
+ .flush = rtw_ops_flush,
+ .set_bitrate_mask = rtw_ops_set_bitrate_mask,
+ .set_antenna = rtw_ops_set_antenna,
+ .get_antenna = rtw_ops_get_antenna,
+ .reconfig_complete = rtw_reconfig_complete,
+ .hw_scan = rtw_ops_hw_scan,
+ .cancel_hw_scan = rtw_ops_cancel_hw_scan,
+ .sta_rc_update = rtw_ops_sta_rc_update,
+ .set_sar_specs = rtw_ops_set_sar_specs,
+#ifdef CONFIG_PM
+ .suspend = rtw_ops_suspend,
+ .resume = rtw_ops_resume,
+ .set_wakeup = rtw_ops_set_wakeup,
+#endif
+};
+EXPORT_SYMBOL(rtw_ops);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 04:10:00 +0000