在b-link拿到一份代码，他们在linux4.4的内核上正常编译运行，代码在如下链接

https://download.csdn.net/download/bgk112358/10441975

用到仪表Linux4.1.15时就编译不通过了

修复和移植步骤如下

1 在mt7601_JEDI_v1.9/Makefile修改编译选项

#PLATFORM = PC

PLATFORM = IMX6DQ

----------------------------------------------

ifeq ($(PLATFORM),IMX6DQ)

LINUX_SRC = /home/dell/work/sc01_1/GS4/linux-imx/

# CROSS_COMPILE= /opt/fsl-imx-fb/4.1.15-2.0.0/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-

endif

------------------------------------------------

CROSS_COMPILE会在SDK的脚本里加到环境变量中

2. 此时编译会出现大量这一类的警告

在mt7601_JEDI_v1.9/os/linux/config.mk加入如下编译参数

ifeq ($(PLATFORM),IMX6DQ)

EXTRA_CFLAGS := $(WFLAGS) -D__KERNEL__ -DMODULE -fno-pic -Wno-error=date-time

endif

-----------------------------------------

遇到这种错误就使用如下参数，macro "__TIME__" might prevent reproducible builds [-Werror=date-time]

Wno-error=date-time 不把该行为当成错误

-Wno-date-time 不把该行为当成警告

向gcc传递-fno-pic显式指定我们不希望PIC（位置无关代码），此代码无需这个参数

3. 此时编译会出现未定义的宏

4. 在linux的官方的提交的patch有说明

From: Johannes Berg <johannes.berg@xxxxxxxxx>This is really just duplicating the list of information that's
already available in the nl80211 attribute, so remove the list.
Two small changes are needed:* remove STATION_INFO_ASSOC_REQ_IES complete, but the length(assoc_req_ies_len) can be used instead* add NL80211_STA_INFO_RX_DROP_MISC which exists internallybut not in nl80211 yetThis gets rid of the duplicate maintenance of the two lists.

这个宏变量是一个重复的变量，恰好在Linux3.14.28有在Linux4.1.15中没有，既然一个重复的不影响功能的变量，我们就删掉他

在代码中出错的地方，就是用或者不用变量STATION_INFO_ASSOC_REQ_IES，既然用不用都行，我们就不用他，将KERNEL_VERSION改为小于我们当前Linux4.1.15

5. 这一个编译错误已经通过了，但是还有很多的编译错误，未定义变量

这个未定义变量中STATION开头的变量都能在如下patch中找到替代的变量，也都是可以通过修改makefile中的KERNEL_VERSION来选择

From: Johannes Berg <johannes.berg@xxxxxxxxx>This is really just duplicating the list of information that's
already available in the nl80211 attribute, so remove the list.
Two small changes are needed:* remove STATION_INFO_ASSOC_REQ_IES complete, but the length(assoc_req_ies_len) can be used instead* add NL80211_STA_INFO_RX_DROP_MISC which exists internallybut not in nl80211 yetThis gets rid of the duplicate maintenance of the two lists.Change-Id: I1031fd79dd3d4a1c9118f7b9db650570add2607b
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---drivers/net/wireless/ath/ath6kl/cfg80211.c         |  14 +--drivers/net/wireless/ath/ath6kl/main.c             |   1 -drivers/net/wireless/ath/wil6210/cfg80211.c        |  18 +--drivers/net/wireless/ath/wil6210/wmi.c             |   1 -drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c |  11 +-drivers/net/wireless/libertas/cfg.c                |  12 +-drivers/net/wireless/mwifiex/cfg80211.c            |  10 +-drivers/net/wireless/mwifiex/uap_event.c           |   1 -drivers/net/wireless/rndis_wlan.c                  |   4 +-drivers/net/wireless/ti/wlcore/main.c              |   2 +-drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c  |   9 +-drivers/staging/wlan-ng/cfg80211.c                 |   4 +-include/net/cfg80211.h                             |  77 +-----------include/uapi/linux/nl80211.h                       |   3 +net/mac80211/ethtool.c                             |   6 +-net/mac80211/sta_info.c                            |  80 ++++++-------net/wireless/nl80211.c                             | 133 ++++++++-------------17 files changed, 137 insertions(+), 249 deletions(-)diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 7a5337877a0c..44dd6ef923cd 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -1799,20 +1799,20 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,if (vif->target_stats.rx_byte) {sinfo->rx_bytes = vif->target_stats.rx_byte;
-       sinfo->filled |= STATION_INFO_RX_BYTES64;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);sinfo->rx_packets = vif->target_stats.rx_pkt;
-       sinfo->filled |= STATION_INFO_RX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);}if (vif->target_stats.tx_byte) {sinfo->tx_bytes = vif->target_stats.tx_byte;
-       sinfo->filled |= STATION_INFO_TX_BYTES64;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);sinfo->tx_packets = vif->target_stats.tx_pkt;
-       sinfo->filled |= STATION_INFO_TX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);}sinfo->signal = vif->target_stats.cs_rssi;
-   sinfo->filled |= STATION_INFO_SIGNAL;
+   sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);rate = vif->target_stats.tx_ucast_rate;@@ -1844,12 +1844,12 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,return 0;}-    sinfo->filled |= STATION_INFO_TX_BITRATE;
+   sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);if (test_bit(CONNECTED, &vif->flags) &&test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&vif->nw_type == INFRA_NETWORK) {
-       sinfo->filled |= STATION_INFO_BSS_PARAM;
+       sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);sinfo->bss_param.flags = 0;sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index 933aef025698..b42ba46b5030 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -488,7 +488,6 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,sinfo.assoc_req_ies = ies;sinfo.assoc_req_ies_len = ies_len;
-   sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL);diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index 38332a6dfb3a..e72a95d1ced6 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -142,14 +142,14 @@ int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,sinfo->generation = wil->sinfo_gen;-   sinfo->filled = STATION_INFO_RX_BYTES |
-           STATION_INFO_TX_BYTES |
-           STATION_INFO_RX_PACKETS |
-           STATION_INFO_TX_PACKETS |
-           STATION_INFO_RX_BITRATE |
-           STATION_INFO_TX_BITRATE |
-           STATION_INFO_RX_DROP_MISC |
-           STATION_INFO_TX_FAILED;
+   sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
+           BIT(NL80211_STA_INFO_TX_BYTES) |
+           BIT(NL80211_STA_INFO_RX_PACKETS) |
+           BIT(NL80211_STA_INFO_TX_PACKETS) |
+           BIT(NL80211_STA_INFO_RX_BITRATE) |
+           BIT(NL80211_STA_INFO_TX_BITRATE) |
+           BIT(NL80211_STA_INFO_RX_DROP_MISC) |
+           BIT(NL80211_STA_INFO_TX_FAILED);sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
@@ -163,7 +163,7 @@ int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,sinfo->tx_failed = stats->tx_errors;if (test_bit(wil_status_fwconnected, &wil->status)) {
-       sinfo->filled |= STATION_INFO_SIGNAL;
+       sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);sinfo->signal = reply.evt.sqi;}diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 63476c86cd0e..899754920955 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -457,7 +457,6 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)if (assoc_req_ie) {sinfo.assoc_req_ies = assoc_req_ie;sinfo.assoc_req_ies_len = assoc_req_ielen;
-           sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;}cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index 3aecc5f48719..4a88b2381a68 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -2333,10 +2333,10 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,brcmf_err("GET STA INFO failed, %d\n", err);goto done;}
-       sinfo->filled = STATION_INFO_INACTIVE_TIME;
+       sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
-           sinfo->filled |= STATION_INFO_CONNECTED_TIME;
+           sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);sinfo->connected_time = le32_to_cpu(sta_info_le.in);}brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
@@ -2354,7 +2354,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,brcmf_err("Could not get rate (%d)\n", err);goto done;} else {
-           sinfo->filled |= STATION_INFO_TX_BITRATE;
+           sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);sinfo->txrate.legacy = rate * 5;brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);}
@@ -2369,7 +2369,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,goto done;} else {rssi = le32_to_cpu(scb_val.val);
-               sinfo->filled |= STATION_INFO_SIGNAL;
+               sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);sinfo->signal = rssi;brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);}
@@ -2396,7 +2396,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,brcmf_dbg(CONN, "DTIM peroid %d\n",dtim_period);}
-           sinfo->filled |= STATION_INFO_BSS_PARAM;
+           sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);}} elseerr = -EPERM;
@@ -4778,7 +4778,6 @@ brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&(reason == BRCMF_E_STATUS_SUCCESS)) {memset(&sinfo, 0, sizeof(sinfo));
-       sinfo.filled = STATION_INFO_ASSOC_REQ_IES;if (!data) {brcmf_err("No IEs present in ASSOC/REASSOC_IND");return -EINVAL;
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 34f09ef90bb3..a92985a6ea21 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -1616,10 +1616,10 @@ static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,lbs_deb_enter(LBS_DEB_CFG80211);-    sinfo->filled |= STATION_INFO_TX_BYTES |
-            STATION_INFO_TX_PACKETS |
-            STATION_INFO_RX_BYTES |
-            STATION_INFO_RX_PACKETS;
+   sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES) |
+            BIT(NL80211_STA_INFO_TX_PACKETS) |
+            BIT(NL80211_STA_INFO_RX_BYTES) |
+            BIT(NL80211_STA_INFO_RX_PACKETS);sinfo->tx_bytes = priv->dev->stats.tx_bytes;sinfo->tx_packets = priv->dev->stats.tx_packets;sinfo->rx_bytes = priv->dev->stats.rx_bytes;
@@ -1629,14 +1629,14 @@ static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,ret = lbs_get_rssi(priv, &signal, &noise);if (ret == 0) {sinfo->signal = signal;
-       sinfo->filled |= STATION_INFO_SIGNAL;
+       sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);}/* Convert priv->cur_rate from hw_value to NL80211 value */for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {if (priv->cur_rate == lbs_rates[i].hw_value) {sinfo->txrate.legacy = lbs_rates[i].bitrate;
-           sinfo->filled |= STATION_INFO_TX_BITRATE;
+           sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);break;}}
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 8bd446b69658..71312ff52703 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -910,10 +910,10 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,{u32 rate;-    sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
-           STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
-           STATION_INFO_TX_BITRATE |
-           STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
+   sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
+           BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
+           BIT(NL80211_STA_INFO_TX_BITRATE) |
+           BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);/* Get signal information from the firmware */if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
@@ -944,7 +944,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,sinfo->txrate.legacy = rate * 5;if (priv->bss_mode == NL80211_IFTYPE_STATION) {
-       sinfo->filled |= STATION_INFO_BSS_PARAM;
+       sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);sinfo->bss_param.flags = 0;if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &WLAN_CAPABILITY_SHORT_PREAMBLE)
diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c
index c54a537e31fb..3b3a970e2086 100644
--- a/drivers/net/wireless/mwifiex/uap_event.c
+++ b/drivers/net/wireless/mwifiex/uap_event.c
@@ -68,7 +68,6 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)len = ETH_ALEN;if (len != -1) {
-               sinfo.filled = STATION_INFO_ASSOC_REQ_IES;sinfo.assoc_req_ies = &event->data[len];len = (u8 *)sinfo.assoc_req_ies -(u8 *)&event->frame_control;
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 1a4facd1fbf3..60d44ce9c017 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2478,7 +2478,7 @@ static void rndis_fill_station_info(struct usbnet *usbdev,ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len);if (ret == 0) {sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
-       sinfo->filled |= STATION_INFO_TX_BITRATE;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);}len = sizeof(rssi);
@@ -2486,7 +2486,7 @@ static void rndis_fill_station_info(struct usbnet *usbdev,&rssi, &len);if (ret == 0) {sinfo->signal = level_to_qual(le32_to_cpu(rssi));
-       sinfo->filled |= STATION_INFO_SIGNAL;
+       sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);}}diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 8d11b0ca412c..a2133b1fd631 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -5401,7 +5401,7 @@ static void wlcore_op_sta_statistics(struct ieee80211_hw *hw,if (ret < 0)goto out_sleep;-  sinfo->filled |= STATION_INFO_SIGNAL;
+   sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);sinfo->signal = rssi_dbm;out_sleep:
diff --git a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
index 3d26955da724..c76874d72a22 100644
--- a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
@@ -1092,17 +1092,17 @@ static int cfg80211_rtw_get_station(struct wiphy *wiphy,goto exit;}-        sinfo->filled |= STATION_INFO_SIGNAL;
+       sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);-        sinfo->filled |= STATION_INFO_TX_BITRATE;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);-     sinfo->filled |= STATION_INFO_RX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);sinfo->rx_packets = sta_rx_data_pkts(psta);-        sinfo->filled |= STATION_INFO_TX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);sinfo->tx_packets = psta->sta_stats.tx_pkts;}@@ -2365,7 +2365,6 @@ void rtw_cfg80211_indicate_sta_assoc(struct rtw_adapter *padapter,u.reassoc_req.variable);sinfo.filled = 0;
-       sinfo.filled = STATION_INFO_ASSOC_REQ_IES;sinfo.assoc_req_ies = pmgmt_frame + ie_offset;sinfo.assoc_req_ies_len = frame_len - ie_offset;cfg80211_new_sta(ndev, hdr->addr2, &sinfo, GFP_ATOMIC);
diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c
index 8942dcb44180..7c87aecf4744 100644
--- a/drivers/staging/wlan-ng/cfg80211.c
+++ b/drivers/staging/wlan-ng/cfg80211.c
@@ -325,9 +325,9 @@ static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,if (result == 0) {sinfo->txrate.legacy = quality.txrate.data;
-       sinfo->filled |= STATION_INFO_TX_BITRATE;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);sinfo->signal = quality.level.data;
-       sinfo->filled |= STATION_INFO_SIGNAL;
+       sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);}return result;
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8909a3fb6b35..4f5aa80edcf1 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -865,75 +865,6 @@ int cfg80211_check_station_change(struct wiphy *wiphy,enum cfg80211_station_type statype);/**
- * enum station_info_flags - station information flags
- *
- * Used by the driver to indicate which info in &struct station_info
- * it has filled in during get_station() or dump_station().
- *
- * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
- * @STATION_INFO_RX_BYTES: @rx_bytes filled
- * @STATION_INFO_TX_BYTES: @tx_bytes filled
- * @STATION_INFO_RX_BYTES64: @rx_bytes filled with 64-bit value
- * @STATION_INFO_TX_BYTES64: @tx_bytes filled with 64-bit value
- * @STATION_INFO_LLID: @llid filled
- * @STATION_INFO_PLID: @plid filled
- * @STATION_INFO_PLINK_STATE: @plink_state filled
- * @STATION_INFO_SIGNAL: @signal filled
- * @STATION_INFO_TX_BITRATE: @txrate fields are filled
- * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
- * @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value
- * @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value
- * @STATION_INFO_TX_RETRIES: @tx_retries filled
- * @STATION_INFO_TX_FAILED: @tx_failed filled
- * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled
- * @STATION_INFO_SIGNAL_AVG: @signal_avg filled
- * @STATION_INFO_RX_BITRATE: @rxrate fields are filled
- * @STATION_INFO_BSS_PARAM: @bss_param filled
- * @STATION_INFO_CONNECTED_TIME: @connected_time filled
- * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
- * @STATION_INFO_STA_FLAGS: @sta_flags filled
- * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
- * @STATION_INFO_T_OFFSET: @t_offset filled
- * @STATION_INFO_LOCAL_PM: @local_pm filled
- * @STATION_INFO_PEER_PM: @peer_pm filled
- * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
- * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
- * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
- * @STATION_INFO_EXPECTED_THROUGHPUT: @expected_throughput filled
- */
-enum station_info_flags {
-   STATION_INFO_INACTIVE_TIME      = BIT(0),
-   STATION_INFO_RX_BYTES           = BIT(1),
-   STATION_INFO_TX_BYTES           = BIT(2),
-   STATION_INFO_LLID           = BIT(3),
-   STATION_INFO_PLID           = BIT(4),
-   STATION_INFO_PLINK_STATE        = BIT(5),
-   STATION_INFO_SIGNAL         = BIT(6),
-   STATION_INFO_TX_BITRATE         = BIT(7),
-   STATION_INFO_RX_PACKETS         = BIT(8),
-   STATION_INFO_TX_PACKETS         = BIT(9),
-   STATION_INFO_TX_RETRIES         = BIT(10),
-   STATION_INFO_TX_FAILED          = BIT(11),
-   STATION_INFO_RX_DROP_MISC       = BIT(12),
-   STATION_INFO_SIGNAL_AVG         = BIT(13),
-   STATION_INFO_RX_BITRATE         = BIT(14),
-   STATION_INFO_BSS_PARAM          = BIT(15),
-   STATION_INFO_CONNECTED_TIME     = BIT(16),
-   STATION_INFO_ASSOC_REQ_IES      = BIT(17),
-   STATION_INFO_STA_FLAGS          = BIT(18),
-   STATION_INFO_BEACON_LOSS_COUNT      = BIT(19),
-   STATION_INFO_T_OFFSET           = BIT(20),
-   STATION_INFO_LOCAL_PM           = BIT(21),
-   STATION_INFO_PEER_PM            = BIT(22),
-   STATION_INFO_NONPEER_PM         = BIT(23),
-   STATION_INFO_RX_BYTES64         = BIT(24),
-   STATION_INFO_TX_BYTES64         = BIT(25),
-   STATION_INFO_CHAIN_SIGNAL       = BIT(26),
-   STATION_INFO_CHAIN_SIGNAL_AVG       = BIT(27),
-   STATION_INFO_EXPECTED_THROUGHPUT    = BIT(28),
-};
-
-/*** enum station_info_rate_flags - bitrate info flags** Used by the driver to indicate the specific rate transmission
@@ -1014,7 +945,8 @@ struct sta_bss_parameters {** Station information filled by driver for get_station() and dump_station.*
- * @filled: bitflag of flags from &enum station_info_flags
+ * @filled: bitflag of flags using the bits of &enum nl80211_sta_info to
+ * indicate the relevant values in this struct for them* @connected_time: time(in secs) since a station is last connected* @inactive_time: time since last station activity (tx/rx) in milliseconds* @rx_bytes: bytes received from this station
@@ -1093,11 +1025,6 @@ struct station_info {enum nl80211_mesh_power_mode nonpeer_pm;u32 expected_throughput;
-
-   /*
-    * Note: Add a new enum station_info_flags value for each new field and
-    * use it to check which fields are initialized.
-    */};/**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1ddd067d19ed..c747657b035a 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2354,6 +2354,8 @@ enum nl80211_sta_bss_param {* Same format as NL80211_STA_INFO_CHAIN_SIGNAL.* @NL80211_STA_EXPECTED_THROUGHPUT: expected throughput considering also the*  802.11 header (u32, kbps)
+ * @NL80211_STA_INFO_RX_DROP_MISC: RX packets dropped for unspecified reasons
+ * (u64)* @__NL80211_STA_INFO_AFTER_LAST: internal* @NL80211_STA_INFO_MAX: highest possible station info attribute*/
@@ -2386,6 +2388,7 @@ enum nl80211_sta_info {NL80211_STA_INFO_CHAIN_SIGNAL,NL80211_STA_INFO_CHAIN_SIGNAL_AVG,NL80211_STA_INFO_EXPECTED_THROUGHPUT,
+   NL80211_STA_INFO_RX_DROP_MISC,/* keep last */__NL80211_STA_INFO_AFTER_LAST,
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c
index eea742710c0a..52bcea6ad9e8 100644
--- a/net/mac80211/ethtool.c
+++ b/net/mac80211/ethtool.c
@@ -117,16 +117,16 @@ static void ieee80211_get_stats(struct net_device *dev,data[i++] = sta->sta_state;-        if (sinfo.filled & STATION_INFO_TX_BITRATE)
+       if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))data[i] = 100000 *cfg80211_calculate_bitrate(&sinfo.txrate);i++;
-       if (sinfo.filled & STATION_INFO_RX_BITRATE)
+       if (sinfo.filled & BIT(NL80211_STA_INFO_RX_BITRATE))data[i] = 100000 *cfg80211_calculate_bitrate(&sinfo.rxrate);i++;-       if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
+       if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL_AVG))data[i] = (u8)sinfo.signal_avg;i++;} else {
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 967b42eae5c2..64b53b943d98 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1756,51 +1756,51 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)drv_sta_statistics(local, sdata, &sta->sta, sinfo);- sinfo->filled |= STATION_INFO_INACTIVE_TIME |
-            STATION_INFO_STA_FLAGS |
-            STATION_INFO_BSS_PARAM |
-            STATION_INFO_CONNECTED_TIME |
-            STATION_INFO_RX_DROP_MISC |
-            STATION_INFO_BEACON_LOSS_COUNT;
+   sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
+            BIT(NL80211_STA_INFO_STA_FLAGS) |
+            BIT(NL80211_STA_INFO_BSS_PARAM) |
+            BIT(NL80211_STA_INFO_CONNECTED_TIME) |
+            BIT(NL80211_STA_INFO_RX_DROP_MISC) |
+            BIT(NL80211_STA_INFO_BEACON_LOSS);ktime_get_ts(&uptime);sinfo->connected_time = uptime.tv_sec - sta->last_connected;sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);-  if (!(sinfo->filled & (STATION_INFO_TX_BYTES64 |
-                  STATION_INFO_TX_BYTES))) {
+   if (!(sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES64) |
+                  BIT(NL80211_STA_INFO_TX_BYTES)))) {sinfo->tx_bytes = 0;for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)sinfo->tx_bytes += sta->tx_bytes[ac];
-       sinfo->filled |= STATION_INFO_TX_BYTES64;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);}- if (!(sinfo->filled & STATION_INFO_TX_PACKETS)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_PACKETS))) {sinfo->tx_packets = 0;for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)sinfo->tx_packets += sta->tx_packets[ac];
-       sinfo->filled |= STATION_INFO_TX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);}- if (!(sinfo->filled & (STATION_INFO_RX_BYTES64 |
-                  STATION_INFO_RX_BYTES))) {
+   if (!(sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES64) |
+                  BIT(NL80211_STA_INFO_RX_BYTES)))) {sinfo->rx_bytes = sta->rx_bytes;
-       sinfo->filled |= STATION_INFO_RX_BYTES64;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);}- if (!(sinfo->filled & STATION_INFO_RX_PACKETS)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_PACKETS))) {sinfo->rx_packets = sta->rx_packets;
-       sinfo->filled |= STATION_INFO_RX_PACKETS;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);}- if (!(sinfo->filled & STATION_INFO_TX_RETRIES)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_RETRIES))) {sinfo->tx_retries = sta->tx_retry_count;
-       sinfo->filled |= STATION_INFO_TX_RETRIES;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_RETRIES);}- if (!(sinfo->filled & STATION_INFO_TX_FAILED)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_FAILED))) {sinfo->tx_failed = sta->tx_retry_failed;
-       sinfo->filled |= STATION_INFO_TX_FAILED;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);}sinfo->rx_dropped_misc = sta->rx_dropped;
@@ -1808,22 +1808,22 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||(sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
-       if (!(sinfo->filled & STATION_INFO_SIGNAL)) {
+       if (!(sinfo->filled & BIT(NL80211_STA_INFO_SIGNAL))) {sinfo->signal = (s8)sta->last_signal;
-           sinfo->filled |= STATION_INFO_SIGNAL;
+           sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);}-     if (!(sinfo->filled & STATION_INFO_SIGNAL_AVG)) {
+       if (!(sinfo->filled & BIT(NL80211_STA_INFO_SIGNAL_AVG))) {sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
-           sinfo->filled |= STATION_INFO_SIGNAL_AVG;
+           sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG);}}if (sta->chains &&
-       !(sinfo->filled & (STATION_INFO_CHAIN_SIGNAL |
-                  STATION_INFO_CHAIN_SIGNAL_AVG))) {
-       sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
-                STATION_INFO_CHAIN_SIGNAL_AVG;
+       !(sinfo->filled & (BIT(NL80211_STA_INFO_CHAIN_SIGNAL) |
+                  BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)))) {
+       sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL) |
+                BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG);sinfo->chains = sta->chains;for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
@@ -1833,30 +1833,30 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)}}- if (!(sinfo->filled & STATION_INFO_TX_BITRATE)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE))) {sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
-       sinfo->filled |= STATION_INFO_TX_BITRATE;
+       sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);}- if (!(sinfo->filled & STATION_INFO_RX_BITRATE)) {
+   if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE))) {sta_set_rate_info_rx(sta, &sinfo->rxrate);
-       sinfo->filled |= STATION_INFO_RX_BITRATE;
+       sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);}if (ieee80211_vif_is_mesh(&sdata->vif)) {#ifdef CONFIG_MAC80211_MESH
-       sinfo->filled |= STATION_INFO_LLID |
-                STATION_INFO_PLID |
-                STATION_INFO_PLINK_STATE |
-                STATION_INFO_LOCAL_PM |
-                STATION_INFO_PEER_PM |
-                STATION_INFO_NONPEER_PM;
+       sinfo->filled |= BIT(NL80211_STA_INFO_LLID) |
+                BIT(NL80211_STA_INFO_PLID) |
+                BIT(NL80211_STA_INFO_PLINK_STATE) |
+                BIT(NL80211_STA_INFO_LOCAL_PM) |
+                BIT(NL80211_STA_INFO_PEER_PM) |
+                BIT(NL80211_STA_INFO_NONPEER_PM);sinfo->llid = sta->llid;sinfo->plid = sta->plid;sinfo->plink_state = sta->plink_state;if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
-           sinfo->filled |= STATION_INFO_T_OFFSET;
+           sinfo->filled |= BIT(NL80211_STA_INFO_T_OFFSET);sinfo->t_offset = sta->t_offset;}sinfo->local_pm = sta->local_pm;
@@ -1905,7 +1905,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)thr = drv_get_expected_throughput(local, &sta->sta);if (thr != 0) {
-       sinfo->filled |= STATION_INFO_EXPECTED_THROUGHPUT;
+       sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT);sinfo->expected_throughput = thr;}}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c34a66e9e5a5..906f9384a7cf 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3666,115 +3666,77 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);if (!sinfoattr)goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
-       nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
-           sinfo->connected_time))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
-       nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
-           sinfo->inactive_time))
-       goto nla_put_failure;
-   if ((sinfo->filled & (STATION_INFO_RX_BYTES |
-                 STATION_INFO_RX_BYTES64)) &&
+
+#define PUT_SINFO(attr, memb, type) do {               \
+   if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) &&        \
+       nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr,        \
+                sinfo->memb))               \
+       goto nla_put_failure;                   \
+   } while (0)
+
+   PUT_SINFO(CONNECTED_TIME, connected_time, u32);
+   PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
+
+   if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) |
+                BIT(NL80211_STA_INFO_RX_BYTES64)) &&nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,(u32)sinfo->rx_bytes))goto nla_put_failure;
-   if ((sinfo->filled & (STATION_INFO_TX_BYTES |
-                 STATION_INFO_TX_BYTES64)) &&
+
+   if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) |
+                BIT(NL80211_STA_INFO_TX_BYTES64)) &&nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,(u32)sinfo->tx_bytes))goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
-       nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
-           sinfo->rx_bytes))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
-       nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
-           sinfo->tx_bytes))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_LLID) &&
-       nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_PLID) &&
-       nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
-       nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
-              sinfo->plink_state))
-       goto nla_put_failure;
+
+   PUT_SINFO(RX_BYTES64, rx_bytes, u64);
+   PUT_SINFO(TX_BYTES64, tx_bytes, u64);
+   PUT_SINFO(LLID, llid, u16);
+   PUT_SINFO(PLID, plid, u16);
+   PUT_SINFO(PLINK_STATE, plink_state, u8);
+switch (rdev->wiphy.signal_type) {case CFG80211_SIGNAL_TYPE_MBM:
-       if ((sinfo->filled & STATION_INFO_SIGNAL) &&
-           nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
-                  sinfo->signal))
-           goto nla_put_failure;
-       if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
-           nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
-                  sinfo->signal_avg))
-           goto nla_put_failure;
+       PUT_SINFO(SIGNAL, signal, u8);
+       PUT_SINFO(SIGNAL_AVG, signal_avg, u8);break;default:break;}
-   if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
+   if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) {if (!nl80211_put_signal(msg, sinfo->chains,sinfo->chain_signal,NL80211_STA_INFO_CHAIN_SIGNAL))goto nla_put_failure;}
-   if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
+   if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {if (!nl80211_put_signal(msg, sinfo->chains,sinfo->chain_signal_avg,NL80211_STA_INFO_CHAIN_SIGNAL_AVG))goto nla_put_failure;}
-   if (sinfo->filled & STATION_INFO_TX_BITRATE) {
+   if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {if (!nl80211_put_sta_rate(msg, &sinfo->txrate,NL80211_STA_INFO_TX_BITRATE))goto nla_put_failure;}
-   if (sinfo->filled & STATION_INFO_RX_BITRATE) {
+   if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) {if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,NL80211_STA_INFO_RX_BITRATE))goto nla_put_failure;}
-   if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
-       nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
-           sinfo->rx_packets))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
-       nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
-           sinfo->tx_packets))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
-       nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
-           sinfo->tx_retries))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
-       nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
-           sinfo->tx_failed))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) &&
-       nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT,
-           sinfo->expected_throughput))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
-       nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
-           sinfo->beacon_loss_count))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
-       nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
-           sinfo->local_pm))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_PEER_PM) &&
-       nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
-           sinfo->peer_pm))
-       goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
-       nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
-           sinfo->nonpeer_pm))
-       goto nla_put_failure;
-   if (sinfo->filled & STATION_INFO_BSS_PARAM) {
+
+   PUT_SINFO(RX_PACKETS, rx_packets, u32);
+   PUT_SINFO(TX_PACKETS, tx_packets, u32);
+   PUT_SINFO(TX_RETRIES, tx_retries, u32);
+   PUT_SINFO(TX_FAILED, tx_failed, u32);
+   PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
+   PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
+   PUT_SINFO(LOCAL_PM, local_pm, u32);
+   PUT_SINFO(PEER_PM, peer_pm, u32);
+   PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
+
+   if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) {bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);if (!bss_param)goto nla_put_failure;
@@ -3793,18 +3755,19 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,nla_nest_end(msg, bss_param);}
-   if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
+   if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) &&nla_put(msg, NL80211_STA_INFO_STA_FLAGS,sizeof(struct nl80211_sta_flag_update),&sinfo->sta_flags))goto nla_put_failure;
-   if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
-       nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
-               sinfo->t_offset))
-       goto nla_put_failure;
+
+   PUT_SINFO(T_OFFSET, t_offset, u64);
+   PUT_SINFO(RX_DROP_MISC, rx_dropped_misc, u64);
+
+#undef PUT_SINFOnla_nest_end(msg, sinfoattr);- if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
+   if (sinfo->assoc_req_ies_len &&nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,sinfo->assoc_req_ies))goto nla_put_failure;
--
2.1.1--
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6. 将报错的地方全都用KERNEL_VERSION来选择可用的变量再编译，Bingo，编译成功

7. 将代码合并到yocto上，直接合并到内核里（在下一篇文章）

8. 使用架构是mt6701+hostapd

下载一个hostapd，并交叉编译hostapd和它所依赖的两个库，libnl和ssl，在yocto有直接的recipe

9. 打开ap热点

hostapd apd.conf -B

apd.conf配置如下

ctrl_interface=/var/run/hostapd
interface=wlan0
channel=6
ssid=hides
hw_mode=g
wpa=2
driver=nl80211
ignore_broadcast_ssid=0
wpa_passphrase=12345678
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP

10. 打开dhcp，系统自带udhcpd，没有的话自行编译一个

udhcpd dhcp.conf

dhcp.conf配置如下

start 192.168.0.30
end 192.168.0.100
interface wlan0
opt dns 8.8.8.8 219.239.26.42
option subnet 255.255.255.0
opt router 192.168.0.1
option dns 114.114.114.114
option domain local
option lease 86400
# static_lease 00:60:08:11:ce:4e 192.168.43.100
# static_lease 00:60:08:11:ce:38 192.168.43.110

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