RTL8192EU调试信息

最新推荐文章于 2025-06-09 09:05:28 发布

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最新推荐文章于 2025-06-09 09:05:28 发布

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本文链接：https://blog.youkuaiyun.com/weixin_41231656/article/details/84571676

本文详细展示了rtl8192eu无线网卡在AP模式下运行的各项配置参数，包括设备信息、AP信息、信道属性及收发数据状态。通过对多个连接设备的MAC地址、速率、加密方式等进行分析，揭示了无线网络的实时工作情况。同时，文章提供了信道选择依据，帮助理解如何通过包计数选择最优信道。

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rtl8192eu运行的AP模式

cd /pron/net/rtl8192eu/wlan0 进入文件夹

cat all_sta_info :查看所有设备信息

sta_dz_bitmap=0x0, tim_bitmap=0x0

==============================

sta's macaddr:10:a4:be:a3:38:f1

rtsen=0, cts2slef=0

state=0x4001, aid=1, macid=0, raid=3

qos_en=1, ht_en=1, init_rate=19

bwmode=0, ch_offset=0, sgi_20m=1,sgi_40m=0

ampdu_enable = 1

agg_enable_bitmap=41, candidate_tid_bitmap=0

sleepq_len=0

sta_xmitpriv.vo_q_qcnt=0

sta_xmitpriv.vi_q_qcnt=0

sta_xmitpriv.be_q_qcnt=0

sta_xmitpriv.bk_q_qcnt=0

capability=0x411

flags=0xa00

wpa_psk=0x2

wpa2_group_cipher=0x10

wpa2_pairwise_cipher=0x10

qos_info=0x0

dot118021XPrivacy=0x4

tid=0, enable=1, ampdu_size=64, indicate_seq=3162

==============================

sta's macaddr:ff:ff:ff:ff:ff:ff

rtsen=0, cts2slef=0

state=0x1, aid=0, macid=1, raid=8

qos_en=0, ht_en=0, init_rate=3

bwmode=0, ch_offset=0, sgi_20m=0,sgi_40m=0

ampdu_enable = 0

agg_enable_bitmap=0, candidate_tid_bitmap=0

sleepq_len=0

sta_xmitpriv.vo_q_qcnt=0

sta_xmitpriv.vi_q_qcnt=0

sta_xmitpriv.be_q_qcnt=0

sta_xmitpriv.bk_q_qcnt=0

capability=0x0

flags=0x0

wpa_psk=0x0

wpa2_group_cipher=0x0

wpa2_pairwise_cipher=0x0

qos_info=0x0

dot118021XPrivacy=0x4

==============================

sta's macaddr:14:6b:9c:a2:d8:d6

rtsen=0, cts2slef=0

state=0x4001, aid=2, macid=2, raid=3

qos_en=1, ht_en=1, init_rate=19

bwmode=0, ch_offset=0, sgi_20m=1,sgi_40m=0

ampdu_enable = 1

agg_enable_bitmap=41, candidate_tid_bitmap=0

sleepq_len=0

sta_xmitpriv.vo_q_qcnt=0

sta_xmitpriv.vi_q_qcnt=0

sta_xmitpriv.be_q_qcnt=0

sta_xmitpriv.bk_q_qcnt=0

capability=0x411

flags=0xa00

wpa_psk=0x2

wpa2_group_cipher=0x10

wpa2_pairwise_cipher=0x10

qos_info=0x0

dot118021XPrivacy=0x4

tid=0, enable=1, ampdu_size=64, indicate_seq=617

==============================

sta's macaddr:14:6b:9c:5b:bb:c9

rtsen=0, cts2slef=0

state=0x10, aid=0, macid=32, raid=0

qos_en=1, ht_en=1, init_rate=0

bwmode=0, ch_offset=0, sgi_20m=1,sgi_40m=1

ampdu_enable = 1

agg_enable_bitmap=0, candidate_tid_bitmap=0

sleepq_len=0

sta_xmitpriv.vo_q_qcnt=0

sta_xmitpriv.vi_q_qcnt=0

sta_xmitpriv.be_q_qcnt=0

sta_xmitpriv.bk_q_qcnt=0

capability=0x0

flags=0x0

wpa_psk=0x0

wpa2_group_cipher=0x0

wpa2_pairwise_cipher=0x0

qos_info=0x0

dot118021XPrivacy=0x0

==============================

cat ap_info ：查看AP信息

SSID=00FKe

sta's macaddr:14:6b:9c:5b:bb:c9

cur_channel=9, cur_bwmode=0, cur_ch_offset=0

wireless_mode=0xb, rtsen=0, cts2slef=0

state=0x10, aid=0, macid=32, raid=0

qos_en=1, ht_en=1, init_rate=0

bwmode=0, ch_offset=0, sgi_20m=1,sgi_40m=1

ampdu_enable = 1

agg_enable_bitmap=0, candidate_tid_bitmap=0

ldpc_cap=0x0, stbc_cap=0x0, beamform_cap=0x0

cat best_channel ：各个信道上接收的包计数

The rx cnt of channel 1 = 18

The rx cnt of channel 2 = 16

The rx cnt of channel 3 = 10

The rx cnt of channel 4 = 11

The rx cnt of channel 5 = 5

The rx cnt of channel 6 = 9

The rx cnt of channel 7 = 8

The rx cnt of channel 8 = 5

The rx cnt of channel 9 = 17

The rx cnt of channel 10 = 14

The rx cnt of channel 11 = 13

The rx cnt of channel 12 = 10

The rx cnt of channel 13 = 21

The rx cnt of channel 14 = 49

best_channel_5G = 36

best_channel_24G = 6

注意：查看必须先使用iwlist wlan0 scanning 命令扫描否则各个信道的包数为0；

打印包括两个部分。第一个部分是在站点调查过程中，在所有支持的信道上接收到的包计数。开发人员可以使用这些静态特性来决定您自己的最佳通道。第二部分是对5G和2.4G波段最佳信道的简单估计，供参考只有。HT40+规则用于估计最佳通道时的主要通道在1、6、36、44等处，为最小的主通道选择接收包计数。

cat chan_plan ：查看信道属性

chplan:0x23

2G_PLS:1, 5G_PLS:1

ch: 1, freq:2412, scan_type:1, rx_count:18

ch: 2, freq:2417, scan_type:1, rx_count:16

ch: 3, freq:2422, scan_type:1, rx_count:10

ch: 4, freq:2427, scan_type:1, rx_count:11

ch: 5, freq:2432, scan_type:1, rx_count:5

ch: 6, freq:2437, scan_type:1, rx_count:9

ch: 7, freq:2442, scan_type:1, rx_count:8

ch: 8, freq:2447, scan_type:1, rx_count:5

ch: 9, freq:2452, scan_type:1, rx_count:17

ch: 10, freq:2457, scan_type:1, rx_count:14

ch: 11, freq:2462, scan_type:1, rx_count:13

ch: 12, freq:2467, scan_type:1, rx_count:10

ch: 13, freq:2472, scan_type:1, rx_count:21

ch: 14, freq:2484, scan_type:1, rx_count:49

total ch number:14

附上驱动源码中对channel plan 的枚举如下

typedef enum _RT_CHANNEL_DOMAIN

{

/* ===== 0x00 ~ 0x1F, legacy channel plan ===== */

RTW_CHPLAN_FCC = 0x00,

RTW_CHPLAN_IC = 0x01,

RTW_CHPLAN_ETSI = 0x02,

RTW_CHPLAN_SPAIN = 0x03,

RTW_CHPLAN_FRANCE = 0x04,

RTW_CHPLAN_MKK = 0x05,

RTW_CHPLAN_MKK1 = 0x06,

RTW_CHPLAN_ISRAEL = 0x07,

RTW_CHPLAN_TELEC = 0x08,

RTW_CHPLAN_GLOBAL_DOAMIN = 0x09,

RTW_CHPLAN_WORLD_WIDE_13 = 0x0A,

RTW_CHPLAN_TAIWAN = 0x0B,

RTW_CHPLAN_CHINA = 0x0C,

RTW_CHPLAN_SINGAPORE_INDIA_MEXICO = 0x0D,

RTW_CHPLAN_KOREA = 0x0E,

RTW_CHPLAN_TURKEY = 0x0F,

RTW_CHPLAN_JAPAN = 0x10,

RTW_CHPLAN_FCC_NO_DFS = 0x11,

RTW_CHPLAN_JAPAN_NO_DFS = 0x12,

RTW_CHPLAN_WORLD_WIDE_5G = 0x13,

RTW_CHPLAN_TAIWAN_NO_DFS = 0x14,

/* ===== 0x20 ~ 0x7F, new channel plan ===== */

RTW_CHPLAN_WORLD_NULL = 0x20,

RTW_CHPLAN_ETSI1_NULL = 0x21,

RTW_CHPLAN_FCC1_NULL = 0x22,

RTW_CHPLAN_MKK1_NULL = 0x23,

RTW_CHPLAN_ETSI2_NULL = 0x24,

RTW_CHPLAN_FCC1_FCC1 = 0x25,

RTW_CHPLAN_WORLD_ETSI1 = 0x26,

RTW_CHPLAN_MKK1_MKK1 = 0x27,

RTW_CHPLAN_WORLD_KCC1 = 0x28,

RTW_CHPLAN_WORLD_FCC2 = 0x29,

RTW_CHPLAN_FCC2_NULL = 0x2A,

RTW_CHPLAN_WORLD_FCC3 = 0x30,

RTW_CHPLAN_WORLD_FCC4 = 0x31,

RTW_CHPLAN_WORLD_FCC5 = 0x32,

RTW_CHPLAN_WORLD_FCC6 = 0x33,

RTW_CHPLAN_FCC1_FCC7 = 0x34,

RTW_CHPLAN_WORLD_ETSI2 = 0x35,

RTW_CHPLAN_WORLD_ETSI3 = 0x36,

RTW_CHPLAN_MKK1_MKK2 = 0x37,

RTW_CHPLAN_MKK1_MKK3 = 0x38,

RTW_CHPLAN_FCC1_NCC1 = 0x39,

RTW_CHPLAN_FCC1_NCC2 = 0x40,

RTW_CHPLAN_GLOBAL_NULL = 0x41,

RTW_CHPLAN_ETSI1_ETSI4 = 0x42,

RTW_CHPLAN_FCC1_FCC2 = 0x43,

RTW_CHPLAN_FCC1_NCC3 = 0x44,

RTW_CHPLAN_WORLD_ETSI5 = 0x45,

RTW_CHPLAN_FCC1_FCC8 = 0x46,

RTW_CHPLAN_WORLD_ETSI6 = 0x47,

RTW_CHPLAN_WORLD_ETSI7 = 0x48,

RTW_CHPLAN_WORLD_ETSI8 = 0x49,

RTW_CHPLAN_WORLD_ETSI9 = 0x50,

RTW_CHPLAN_WORLD_ETSI10 = 0x51,

RTW_CHPLAN_WORLD_ETSI11 = 0x52,

RTW_CHPLAN_FCC1_NCC4 = 0x53,

RTW_CHPLAN_WORLD_ETSI12 = 0x54,

RTW_CHPLAN_FCC1_FCC9 = 0x55,

RTW_CHPLAN_WORLD_ETSI13 = 0x56,

RTW_CHPLAN_FCC1_FCC10 = 0x57,

RTW_CHPLAN_MKK2_MKK4 = 0x58,

RTW_CHPLAN_WORLD_ETSI14 = 0x59,

RTW_CHPLAN_FCC1_FCC5 = 0x60,

RTW_CHPLAN_MAX,

RTW_CHPLAN_REALTEK_DEFINE = 0x7F,

}RT_CHANNEL_DOMAIN, *PRT_CHANNEL_DOMAIN;

cat rx_info_msg ：查看RX信息

==============================

macaddr =10:a4:be:a3:38:f1

BW=20M, sgi =0

Rx_Data_Rate = MCS7

RF_PATH_0 RSSI:-26(dBm),rx_ofdm_snr:28(dB)

RF_PATH_1 RSSI:-54(dBm),rx_ofdm_snr:19(dB)

==============================

macaddr =14:6b:9c:a2:d8:d6

BW=20M, sgi =0

Rx_Data_Rate = MCS4

RF_PATH_0 RSSI:-32(dBm),rx_ofdm_snr:37(dB)

RF_PATH_1 RSSI:-56(dBm),rx_ofdm_snr:33(dB)

cat rx_signal ：查看RX信号

rssi:-41

signal_strength:59

signal_qual:81

noise:0

RxRate = MCS5, RSSI_A = 70(%), RSSI_B = 48(%)

RxRate = MCS5, PWDBALL = 69(%), rx_pwr_all = -31(dBm)

RF_PATH_0=>signal_strength:70(%),signal_quality:72(%)

rx_ofdm_pwr:-30(dBm),rx_ofdm_snr:30(dB)

RF_PATH_1=>signal_strength:48(%),signal_quality:255(%)

rx_ofdm_pwr:-52(dBm),rx_ofdm_snr:28(dB)

cat survey_info：查看扫描信息

cat tx_info_msg ：查看TX信息

status=AP mode

==============================

macaddr=10:a4:be:a3:38:f1

Tx_Data_Rate=MCS7

BW=20M,sgi=1

==============================

macaddr=14:6b:9c:a2:d8:d6

Tx_Data_Rate=MCS7

BW=20M,sgi=1

cat tx_power_by_rate：查看不同调制速率下的发射功率

cat tx_power_limit：各地区发射功率限制