diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac80211.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 79 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.h | 1 |
3 files changed, 81 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index d026094a72c4..19c4d7c29759 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -212,6 +212,7 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw, rtwvif->bcn_ctrl = bcn_ctrl; config |= PORT_SET_BCN_CTRL; rtw_vif_port_config(rtwdev, rtwvif, config); + rtw_core_port_switch(rtwdev, vif); mutex_unlock(&rtwdev->mutex); diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 9fe7e22e31ce..abebccd0581a 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -2251,6 +2251,85 @@ void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) } EXPORT_SYMBOL(rtw_unregister_hw); +static +void rtw_swap_reg_nbytes(struct rtw_dev *rtwdev, const struct rtw_hw_reg *reg1, + const struct rtw_hw_reg *reg2, u8 nbytes) +{ + u8 i; + + for (i = 0; i < nbytes; i++) { + u8 v1 = rtw_read8(rtwdev, reg1->addr + i); + u8 v2 = rtw_read8(rtwdev, reg2->addr + i); + + rtw_write8(rtwdev, reg1->addr + i, v2); + rtw_write8(rtwdev, reg2->addr + i, v1); + } +} + +static +void rtw_swap_reg_mask(struct rtw_dev *rtwdev, const struct rtw_hw_reg *reg1, + const struct rtw_hw_reg *reg2) +{ + u32 v1, v2; + + v1 = rtw_read32_mask(rtwdev, reg1->addr, reg1->mask); + v2 = rtw_read32_mask(rtwdev, reg2->addr, reg2->mask); + rtw_write32_mask(rtwdev, reg2->addr, reg2->mask, v1); + rtw_write32_mask(rtwdev, reg1->addr, reg1->mask, v2); +} + +struct rtw_iter_port_switch_data { + struct rtw_dev *rtwdev; + struct rtw_vif *rtwvif_ap; +}; + +static void rtw_port_switch_iter(void *data, u8 *mac, struct ieee80211_vif *vif) +{ + struct rtw_iter_port_switch_data *iter_data = data; + struct rtw_dev *rtwdev = iter_data->rtwdev; + struct rtw_vif *rtwvif_target = (struct rtw_vif *)vif->drv_priv; + struct rtw_vif *rtwvif_ap = iter_data->rtwvif_ap; + const struct rtw_hw_reg *reg1, *reg2; + + if (rtwvif_target->port != RTW_PORT_0) + return; + + rtw_dbg(rtwdev, RTW_DBG_STATE, "AP port switch from %d -> %d\n", + rtwvif_ap->port, rtwvif_target->port); + + reg1 = &rtwvif_ap->conf->net_type; + reg2 = &rtwvif_target->conf->net_type; + rtw_swap_reg_mask(rtwdev, reg1, reg2); + + reg1 = &rtwvif_ap->conf->mac_addr; + reg2 = &rtwvif_target->conf->mac_addr; + rtw_swap_reg_nbytes(rtwdev, reg1, reg2, ETH_ALEN); + + reg1 = &rtwvif_ap->conf->bssid; + reg2 = &rtwvif_target->conf->bssid; + rtw_swap_reg_nbytes(rtwdev, reg1, reg2, ETH_ALEN); + + reg1 = &rtwvif_ap->conf->bcn_ctrl; + reg2 = &rtwvif_target->conf->bcn_ctrl; + rtw_swap_reg_nbytes(rtwdev, reg1, reg2, 1); + + swap(rtwvif_target->port, rtwvif_ap->port); + swap(rtwvif_target->conf, rtwvif_ap->conf); +} + +void rtw_core_port_switch(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) +{ + struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; + struct rtw_iter_port_switch_data iter_data; + + if (vif->type != NL80211_IFTYPE_AP || rtwvif->port == RTW_PORT_0) + return; + + iter_data.rtwdev = rtwdev; + iter_data.rtwvif_ap = rtwvif; + rtw_iterate_vifs(rtwdev, rtw_port_switch_iter, &iter_data); +} + MODULE_AUTHOR("Realtek Corporation"); MODULE_DESCRIPTION("Realtek 802.11ac wireless core module"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index efac271497f5..790ebf781bc4 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -2198,4 +2198,5 @@ void rtw_set_txrx_1ss(struct rtw_dev *rtwdev, bool config_1ss); void rtw_update_channel(struct rtw_dev *rtwdev, u8 center_channel, u8 primary_channel, enum rtw_supported_band band, enum rtw_bandwidth bandwidth); +void rtw_core_port_switch(struct rtw_dev *rtwdev, struct ieee80211_vif *vif); #endif |