xref: /openwifi/driver/sdrctl_intf.c (revision 7d0af6df9ead867eaeb582e7bd1b204f7315d19d)

// Author: Xianjun Jiao, Michael Mehari, Wei Liu
// SPDX-FileCopyrightText: 2019 UGent
// SPDX-License-Identifier: AGPL-3.0-or-later

static int openwifi_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, void *data, int len)
{
	struct openwifi_priv *priv = hw->priv;
	struct nlattr *tb[OPENWIFI_ATTR_MAX + 1];
	struct sk_buff *skb;
	int err;
	u32 tmp=-1, reg_cat, reg_addr, reg_val, reg_addr_idx, tsft_high, tsft_low;
	int tmp_int;

	err = nla_parse(tb, OPENWIFI_ATTR_MAX, data, len, openwifi_testmode_policy, NULL);
	if (err)
		return err;

	if (!tb[OPENWIFI_ATTR_CMD])
		return -EINVAL;

	switch (nla_get_u32(tb[OPENWIFI_ATTR_CMD])) {
	case OPENWIFI_CMD_SET_GAP:
		if (!tb[OPENWIFI_ATTR_GAP])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_GAP]);
		printk("%s XPU_REG_CSMA_CFG_write %08x (Check openwifi_conf_tx() in sdr.c to understand)\n", sdr_compatible_str, tmp);
		xpu_api->XPU_REG_CSMA_CFG_write(tmp); // unit us
		return 0;
	case OPENWIFI_CMD_GET_GAP:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp = xpu_api->XPU_REG_CSMA_CFG_read();
		if (nla_put_u32(skb, OPENWIFI_ATTR_GAP, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);
	case OPENWIFI_CMD_SET_SLICE_IDX:
		if (!tb[OPENWIFI_ATTR_SLICE_IDX])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_IDX]);
		printk("%s set openwifi slice_idx in hex: %08x\n", sdr_compatible_str, tmp);
		if (tmp == MAX_NUM_HW_QUEUE) {
			printk("%s set openwifi slice_idx reset all queue counter.\n", sdr_compatible_str);
			xpu_api->XPU_REG_MULTI_RST_write(1<<7); //bit7 reset the counter for all queues at the same time
			xpu_api->XPU_REG_MULTI_RST_write(0<<7);
		} else {
			priv->slice_idx = tmp;
		}
		return 0;
	case OPENWIFI_CMD_GET_SLICE_IDX:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp = priv->slice_idx;
		if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_IDX, tmp))
			goto nla_put_failure;
		printk("%s get openwifi slice_idx in hex: %08x\n", sdr_compatible_str, tmp);
		return cfg80211_testmode_reply(skb);
	case OPENWIFI_CMD_SET_ADDR:
		if (!tb[OPENWIFI_ATTR_ADDR])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_ADDR]);
		if (priv->slice_idx>=MAX_NUM_HW_QUEUE) {
			printk("%s set openwifi slice_target_mac_addr(low32) WARNING: current slice idx %d is invalid!\n", sdr_compatible_str, priv->slice_idx);
			return -EOPNOTSUPP;
		} else {
			printk("%s set openwifi slice_target_mac_addr(low32) in hex: %08x to slice %d\n", sdr_compatible_str, tmp, priv->slice_idx);
			priv->dest_mac_addr_queue_map[priv->slice_idx] = reverse32(tmp);
		}
		return 0;
	case OPENWIFI_CMD_GET_ADDR:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		if (priv->slice_idx>=MAX_NUM_HW_QUEUE) {
			tmp = -1;
		} else {
			tmp = reverse32(priv->dest_mac_addr_queue_map[priv->slice_idx]);
		}
		if (nla_put_u32(skb, OPENWIFI_ATTR_ADDR, tmp))
			goto nla_put_failure;
		printk("%s get openwifi slice_target_mac_addr(low32) in hex: %08x of slice %d\n", sdr_compatible_str, tmp, priv->slice_idx);
		return cfg80211_testmode_reply(skb);

	case OPENWIFI_CMD_SET_SLICE_TOTAL:
		if (!tb[OPENWIFI_ATTR_SLICE_TOTAL])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_TOTAL]);
		if (priv->slice_idx>=MAX_NUM_HW_QUEUE) {
			printk("%s set SLICE_TOTAL(duration) WARNING: current slice idx %d is invalid!\n", sdr_compatible_str, priv->slice_idx);
			return -EOPNOTSUPP;
		} else {
			printk("%s set SLICE_TOTAL(duration) %d usec to slice %d\n", sdr_compatible_str, tmp, priv->slice_idx);
			xpu_api->XPU_REG_SLICE_COUNT_TOTAL_write((priv->slice_idx<<20)|tmp);
		}
		return 0;
	case OPENWIFI_CMD_GET_SLICE_TOTAL:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp = (xpu_api->XPU_REG_SLICE_COUNT_TOTAL_read());
		printk("%s get SLICE_TOTAL(duration) %d usec of slice %d\n", sdr_compatible_str, tmp&0xFFFFF, tmp>>20);
		if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_TOTAL, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);

	case OPENWIFI_CMD_SET_SLICE_START:
		if (!tb[OPENWIFI_ATTR_SLICE_START])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_START]);
		if (priv->slice_idx>=MAX_NUM_HW_QUEUE) {
			printk("%s set SLICE_START(duration) WARNING: current slice idx %d is invalid!\n", sdr_compatible_str, priv->slice_idx);
			return -EOPNOTSUPP;
		} else {
			printk("%s set SLICE_START(duration) %d usec to slice %d\n", sdr_compatible_str, tmp, priv->slice_idx);
			xpu_api->XPU_REG_SLICE_COUNT_START_write((priv->slice_idx<<20)|tmp);
		}
		return 0;
	case OPENWIFI_CMD_GET_SLICE_START:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp = (xpu_api->XPU_REG_SLICE_COUNT_START_read());
		printk("%s get SLICE_START(duration) %d usec of slice %d\n", sdr_compatible_str, tmp&0xFFFFF, tmp>>20);
		if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_START, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);

	case OPENWIFI_CMD_SET_SLICE_END:
		if (!tb[OPENWIFI_ATTR_SLICE_END])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_END]);
		if (priv->slice_idx>=MAX_NUM_HW_QUEUE) {
			printk("%s set SLICE_END(duration) WARNING: current slice idx %d is invalid!\n", sdr_compatible_str, priv->slice_idx);
			return -EOPNOTSUPP;
		} else {
			printk("%s set SLICE_END(duration) %d usec to slice %d\n", sdr_compatible_str, tmp, priv->slice_idx);
			xpu_api->XPU_REG_SLICE_COUNT_END_write((priv->slice_idx<<20)|tmp);
		}
		return 0;
	case OPENWIFI_CMD_GET_SLICE_END:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp = (xpu_api->XPU_REG_SLICE_COUNT_END_read());
		printk("%s get SLICE_END(duration) %d usec of slice %d\n", sdr_compatible_str, tmp&0xFFFFF, tmp>>20);
		if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_END, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);

	// case OPENWIFI_CMD_SET_SLICE_TOTAL1:
	// 	if (!tb[OPENWIFI_ATTR_SLICE_TOTAL1])
	// 		return -EINVAL;
	// 	tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_TOTAL1]);
	// 	printk("%s set SLICE_TOTAL1(duration) to %d usec\n", sdr_compatible_str, tmp);
	// 	// xpu_api->XPU_REG_SLICE_COUNT_TOTAL1_write(tmp);
	// 	return 0;
	// case OPENWIFI_CMD_GET_SLICE_TOTAL1:
	// 	skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
	// 	if (!skb)
	// 		return -ENOMEM;
	// 	// tmp = (xpu_api->XPU_REG_SLICE_COUNT_TOTAL1_read());
	// 	if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_TOTAL1, tmp))
	// 		goto nla_put_failure;
	// 	return cfg80211_testmode_reply(skb);

	// case OPENWIFI_CMD_SET_SLICE_START1:
	// 	if (!tb[OPENWIFI_ATTR_SLICE_START1])
	// 		return -EINVAL;
	// 	tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_START1]);
	// 	printk("%s set SLICE_START1(duration) to %d usec\n", sdr_compatible_str, tmp);
	// 	// xpu_api->XPU_REG_SLICE_COUNT_START1_write(tmp);
	// 	return 0;
	// case OPENWIFI_CMD_GET_SLICE_START1:
	// 	skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
	// 	if (!skb)
	// 		return -ENOMEM;
	// 	// tmp = (xpu_api->XPU_REG_SLICE_COUNT_START1_read());
	// 	if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_START1, tmp))
	// 		goto nla_put_failure;
	// 	return cfg80211_testmode_reply(skb);

	// case OPENWIFI_CMD_SET_SLICE_END1:
	// 	if (!tb[OPENWIFI_ATTR_SLICE_END1])
	// 		return -EINVAL;
	// 	tmp = nla_get_u32(tb[OPENWIFI_ATTR_SLICE_END1]);
	// 	printk("%s set SLICE_END1(duration) to %d usec\n", sdr_compatible_str, tmp);
	// 	// xpu_api->XPU_REG_SLICE_COUNT_END1_write(tmp);
	// 	return 0;
	// case OPENWIFI_CMD_GET_SLICE_END1:
	// 	skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
	// 	if (!skb)
	// 		return -ENOMEM;
	// 	// tmp = (xpu_api->XPU_REG_SLICE_COUNT_END1_read());
	// 	if (nla_put_u32(skb, OPENWIFI_ATTR_SLICE_END1, tmp))
	// 		goto nla_put_failure;
	// 	return cfg80211_testmode_reply(skb);

	case OPENWIFI_CMD_SET_RSSI_TH:
		if (!tb[OPENWIFI_ATTR_RSSI_TH])
			return -EINVAL;
		tmp = nla_get_u32(tb[OPENWIFI_ATTR_RSSI_TH]);
		// printk("%s set RSSI_TH to %d\n", sdr_compatible_str, tmp);
		// xpu_api->XPU_REG_LBT_TH_write(tmp);
		// return 0;
		printk("%s WARNING Please use command: sdrctl dev sdr0 set reg drv_xpu 0 reg_value! (1~2047, 0 means AUTO)!\n", sdr_compatible_str);
		return -EOPNOTSUPP;
	case OPENWIFI_CMD_GET_RSSI_TH:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		tmp_int = rssi_half_db_to_rssi_dbm(xpu_api->XPU_REG_LBT_TH_read(), priv->rssi_correction); //rssi_dbm
		tmp = (-tmp_int);
		if (nla_put_u32(skb, OPENWIFI_ATTR_RSSI_TH, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);

	case OPENWIFI_CMD_SET_TSF:
		printk("openwifi_set_tsf_1");
		if ( (!tb[OPENWIFI_ATTR_HIGH_TSF]) || (!tb[OPENWIFI_ATTR_LOW_TSF]) )
				return -EINVAL;
		printk("openwifi_set_tsf_2");
		tsft_high = nla_get_u32(tb[OPENWIFI_ATTR_HIGH_TSF]);
		tsft_low  = nla_get_u32(tb[OPENWIFI_ATTR_LOW_TSF]);
		xpu_api->XPU_REG_TSF_LOAD_VAL_write(tsft_high,tsft_low);
		printk("%s openwifi_set_tsf: %08x%08x\n", sdr_compatible_str,tsft_high,tsft_low);
		return 0;

	case REG_CMD_SET:
		if ( (!tb[REG_ATTR_ADDR]) || (!tb[REG_ATTR_VAL]) )
			return -EINVAL;
		reg_addr = nla_get_u32(tb[REG_ATTR_ADDR]);
		reg_val  = nla_get_u32(tb[REG_ATTR_VAL]);
		reg_cat = ((reg_addr>>16)&0xFFFF);
		reg_addr = (reg_addr&0xFFFF);
		reg_addr_idx = (reg_addr>>2);
		printk("%s recv set cmd reg cat %d addr %08x val %08x idx %d\n", sdr_compatible_str, reg_cat, reg_addr, reg_val, reg_addr_idx);
		if (reg_cat==SDRCTL_REG_CAT_RF) {
			// printk("%s WARNING reg cat 1 (rf) is not supported yet!\n", sdr_compatible_str);
			// return -EOPNOTSUPP;
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_RF_REG) {
				priv->rf_reg_val[reg_addr_idx]=reg_val;
				if (reg_addr_idx==RF_TX_REG_IDX_ATT) {//change the tx ON att (if a RF chain is ON)
					tmp = ad9361_get_tx_atten(priv->ad9361_phy, 1);
					printk("%s ad9361_get_tx_atten ant0 %d\n",sdr_compatible_str, tmp);
					if (tmp<AD9361_RADIO_OFF_TX_ATT) {
						err = ad9361_set_tx_atten(priv->ad9361_phy, AD9361_RADIO_ON_TX_ATT+reg_val, true, false, true);
						if (err < 0) {
							printk("%s WARNING ad9361_set_tx_atten ant0 %d FAIL!\n",sdr_compatible_str, AD9361_RADIO_ON_TX_ATT+reg_val);
							return -EIO;
						} else {
							printk("%s ad9361_set_tx_atten ant0 %d OK\n",sdr_compatible_str, AD9361_RADIO_ON_TX_ATT+reg_val);
						}
					}
					tmp = ad9361_get_tx_atten(priv->ad9361_phy, 2);
					printk("%s ad9361_get_tx_atten ant1 %d\n",sdr_compatible_str, tmp);
					if (tmp<AD9361_RADIO_OFF_TX_ATT) {
						err = ad9361_set_tx_atten(priv->ad9361_phy, AD9361_RADIO_ON_TX_ATT+reg_val, false, true, true);
						if (err < 0) {
							printk("%s WARNING ad9361_set_tx_atten ant1 %d FAIL!\n",sdr_compatible_str, AD9361_RADIO_ON_TX_ATT+reg_val);
							return -EIO;
						} else {
							printk("%s ad9361_set_tx_atten ant1 %d OK\n",sdr_compatible_str, AD9361_RADIO_ON_TX_ATT+reg_val);
						}
					}
				} else if (reg_addr_idx==RF_TX_REG_IDX_FO) { // apply the tx fo
					clk_set_rate(priv->ad9361_phy->clks[TX_RFPLL], ( ( ((u64)1000000ull)*((u64)priv->actual_tx_lo ) + priv->rf_reg_val[RF_TX_REG_IDX_FO] )>>1) );
					printk("%s clk_set_rate TX %llu\n",sdr_compatible_str, ((u64)1000000ull)*((u64)priv->actual_tx_lo ) + priv->rf_reg_val[RF_TX_REG_IDX_FO]);
				} else if (reg_addr_idx==RF_RX_REG_IDX_FO) { // apply the rx fo
					clk_set_rate(priv->ad9361_phy->clks[RX_RFPLL], ( ( ((u64)1000000ull)*((u64)priv->actual_rx_lo ) + priv->rf_reg_val[RF_RX_REG_IDX_FO] )>>1) );
					printk("%s clk_set_rate RX %llu\n",sdr_compatible_str, ((u64)1000000ull)*((u64)priv->actual_rx_lo ) + priv->rf_reg_val[RF_RX_REG_IDX_FO]);
				}
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_RX_INTF)
			rx_intf_api->reg_write(reg_addr,reg_val);
		else if (reg_cat==SDRCTL_REG_CAT_TX_INTF)
			tx_intf_api->reg_write(reg_addr,reg_val);
		else if (reg_cat==SDRCTL_REG_CAT_RX)
			openofdm_rx_api->reg_write(reg_addr,reg_val);
		else if (reg_cat==SDRCTL_REG_CAT_TX)
			openofdm_tx_api->reg_write(reg_addr,reg_val);
		else if (reg_cat==SDRCTL_REG_CAT_XPU)
			xpu_api->reg_write(reg_addr,reg_val);
		else if (reg_cat==SDRCTL_REG_CAT_DRV_RX) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				if (reg_addr_idx==DRV_RX_REG_IDX_ANT_CFG) {
					tmp = openwifi_set_antenna(hw, (priv->drv_tx_reg_val[reg_addr_idx]==0?1:2), (reg_val==0?1:2));
					if (tmp) {
						printk("%s WARNING openwifi_set_antenna return %d!\n", sdr_compatible_str, tmp);
						return -EIO;
					} else {
						priv->drv_rx_reg_val[reg_addr_idx]=reg_val;
					}
				} else {
					priv->drv_rx_reg_val[reg_addr_idx]=reg_val;
					if (reg_addr_idx==DRV_RX_REG_IDX_DEMOD_TH) {
						openofdm_rx_api->OPENOFDM_RX_REG_POWER_THRES_write((OPENOFDM_RX_DC_RUNNING_SUM_TH_INIT<<16)|rssi_dbm_to_rssi_half_db((reg_val==0?OPENOFDM_RX_RSSI_DBM_TH_DEFAULT:(-reg_val)), priv->rssi_correction));
					}
				}
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_DRV_TX) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				if ((reg_addr_idx == DRV_TX_REG_IDX_RATE || reg_addr_idx == DRV_TX_REG_IDX_RATE_HT) &&
				    (reg_val != 0 && (!((reg_val&0xF)>=4 && (reg_val&0xF)<=11)) ) ) {
					printk("%s WARNING rate override value should be 0 or 4~11!\n", sdr_compatible_str);
					return -EOPNOTSUPP;
				} else {
					if (reg_addr_idx==DRV_TX_REG_IDX_ANT_CFG) {
						tmp = openwifi_set_antenna(hw, reg_val+1, priv->drv_rx_reg_val[reg_addr_idx]+1);
						if (tmp) {
							printk("%s WARNING openwifi_set_antenna return %d!\n", sdr_compatible_str, tmp);
							return -EIO;
						} else {
							priv->drv_tx_reg_val[reg_addr_idx]=reg_val;
						}
					} else {
						priv->drv_tx_reg_val[reg_addr_idx]=reg_val;
					}
				}
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_DRV_XPU) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				priv->drv_xpu_reg_val[reg_addr_idx]=reg_val;
				if (reg_addr_idx==DRV_XPU_REG_IDX_LBT_TH) {
					if (reg_val) {
						tmp_int = (-reg_val); // rssi_dbm
						tmp = rssi_dbm_to_rssi_half_db(tmp_int, priv->rssi_correction);
						xpu_api->XPU_REG_LBT_TH_write( tmp );
						printk("%s override FPGA LBT threshold to %d(%ddBm). The last_auto_fpga_lbt_th %d(%ddBm)\n", sdr_compatible_str, tmp, tmp_int, priv->last_auto_fpga_lbt_th, rssi_half_db_to_rssi_dbm(priv->last_auto_fpga_lbt_th, priv->rssi_correction));
					} else {
						xpu_api->XPU_REG_LBT_TH_write(priv->last_auto_fpga_lbt_th);
						printk("%s Restore last_auto_fpga_lbt_th %d(%ddBm) to FPGA. ad9361_rf_set_channel will take control\n", sdr_compatible_str, priv->last_auto_fpga_lbt_th, rssi_half_db_to_rssi_dbm(priv->last_auto_fpga_lbt_th, priv->rssi_correction));
					}
				}
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else {
			printk("%s WARNING reg cat %d is not supported yet!\n", sdr_compatible_str, reg_cat);
			return -EOPNOTSUPP;
		}

		return 0;
	case REG_CMD_GET:
		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, nla_total_size(sizeof(u32)));
		if (!skb)
			return -ENOMEM;
		reg_addr = nla_get_u32(tb[REG_ATTR_ADDR]);
		reg_cat = ((reg_addr>>16)&0xFFFF);
		reg_addr = (reg_addr&0xFFFF);
		reg_addr_idx = (reg_addr>>2);
		printk("%s recv get cmd reg cat %d addr %08x idx %d\n", sdr_compatible_str, reg_cat, reg_addr, reg_addr_idx);
		if (reg_cat==SDRCTL_REG_CAT_RF) {
			// printk("%s WARNING reg cat 1 (rf) is not supported yet!\n", sdr_compatible_str);
			// tmp = 0xFFFFFFFF;
			// return -EOPNOTSUPP;
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_RF_REG) {
				tmp = priv->rf_reg_val[reg_addr_idx];
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_RX_INTF)
			tmp = rx_intf_api->reg_read(reg_addr);
		else if (reg_cat==SDRCTL_REG_CAT_TX_INTF)
			tmp = tx_intf_api->reg_read(reg_addr);
		else if (reg_cat==SDRCTL_REG_CAT_RX)
			tmp = openofdm_rx_api->reg_read(reg_addr);
		else if (reg_cat==SDRCTL_REG_CAT_TX)
			tmp = openofdm_tx_api->reg_read(reg_addr);
		else if (reg_cat==SDRCTL_REG_CAT_XPU)
			tmp = xpu_api->reg_read(reg_addr);
		else if (reg_cat==SDRCTL_REG_CAT_DRV_RX) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				tmp = priv->drv_rx_reg_val[reg_addr_idx];
				if (reg_addr_idx==DRV_RX_REG_IDX_ANT_CFG)
					openwifi_get_antenna(hw, &tsft_high, &tsft_low);
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_DRV_TX) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				tmp = priv->drv_tx_reg_val[reg_addr_idx];
				if (reg_addr_idx==DRV_TX_REG_IDX_ANT_CFG)
					openwifi_get_antenna(hw, &tsft_high, &tsft_low);
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else if (reg_cat==SDRCTL_REG_CAT_DRV_XPU) {
			if (reg_addr_idx>=0 && reg_addr_idx<MAX_NUM_DRV_REG) {
				if (reg_addr_idx==DRV_XPU_REG_IDX_LBT_TH) {
					tmp = xpu_api->XPU_REG_LBT_TH_read();//rssi_half_db
					tmp_int = rssi_half_db_to_rssi_dbm(tmp, priv->rssi_correction); //rssi_dbm
					printk("%s FPGA LBT threshold %d(%ddBm). The last_auto_fpga_lbt_th %d(%ddBm)\n", sdr_compatible_str, tmp, tmp_int, priv->last_auto_fpga_lbt_th, rssi_half_db_to_rssi_dbm(priv->last_auto_fpga_lbt_th, priv->rssi_correction));
				}
				tmp = priv->drv_xpu_reg_val[reg_addr_idx];
			} else {
				printk("%s WARNING reg_addr_idx %d is out of range!\n", sdr_compatible_str, reg_addr_idx);
				return -EOPNOTSUPP;
			}
		}
		else {
			printk("%s WARNING reg cat %d is not supported yet!\n", sdr_compatible_str, reg_cat);
			return -EOPNOTSUPP;
		}

		if (nla_put_u32(skb, REG_ATTR_VAL, tmp))
			goto nla_put_failure;
		return cfg80211_testmode_reply(skb);

	default:
		return -EOPNOTSUPP;
	}

 nla_put_failure:
	dev_kfree_skb(skb);
	return -ENOBUFS;
}