V2EX 11月10日 09:59
AX201网卡直通OpenWrt后AP模式开启问题
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用户在将Intel AX201 160MHz无线网卡直通给OpenWrt后,遇到了无法启用AP模式的难题。经过排查,发现网卡可能处于“self-managed”监管域模式,导致国家区域代码始终为00,这限制了AP功能的正常启动。用户提供了`iw reg get`的输出,显示了全局和phy#0的配置信息,其中phy#0的配置中包含了对不同频段和信道宽度的限制,尤其是在5GHz频段存在DFS(动态频率选择)相关的设置。这表明网卡驱动或固件可能没有正确识别或应用OpenWrt中的区域设置,从而影响了AP模式的可用性,用户寻求解决方案。

🔑 **AX201网卡直通OpenWrt后AP模式受阻**:用户成功将Intel AX201 160MHz无线网卡通过PCIe直通方式配置给了OpenWrt系统,但在尝试开启无线AP(接入点)功能时遇到了无法启动的问题,表明网卡在OpenWrt环境下未能正常工作于AP模式。

🔧 **“self-managed”监管域模式与区域代码问题**:初步诊断指向网卡可能处于一种“self-managed”的监管域模式,导致其无法根据OpenWrt的系统设置自动调整无线电监管规则。具体表现为国家区域代码始终显示为“00”,这通常意味着网卡未能成功识别或加载特定国家/地区的无线电法规,从而限制了其在AP模式下的可用频段和功率。

📶 **`iw reg get`输出分析与DFS干扰**:`iw reg get`命令的输出显示了全局(country CN)和网卡自身(phy#0 self-managed)的无线电配置。虽然全局配置中包含了中国(CN)的FCC监管信息,但phy#0的配置显示为“country 00: DFS-UNSET”,并且在5GHz频段的多个信道上存在DFS(动态频率选择)的限制。这表明即使有全局的CN配置,网卡自身可能仍处于受限状态,DFS的配置也可能进一步影响AP模式的启动,尤其是在需要避让雷达信号的频段上。


Intel(R) Wi-Fi 6 AX201 160MHz 网卡直通给 OpenWrt,死活无法开启 AP ,有懂哥吗?

查了一下 AI ,说是使用了 self-managed 监管域模式,国家区域始终是 00.

$iw reg get globalcountry CN: DFS-FCC        (2400 - 2483 @ 40), (N/A, 20), (N/A)        (5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW        (5250 - 5350 @ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW        (5725 - 5850 @ 80), (N/A, 33), (N/A)        (57240 - 59400 @ 2160), (N/A, 28), (N/A)        (59400 - 63720 @ 2160), (N/A, 44), (N/A)        (63720 - 65880 @ 2160), (N/A, 28), (N/A)phy#0 (self-managed)country 00: DFS-UNSET        (2402 - 2437 @ 40), (6, 22), (N/A), AUTO-BW, NO-HT40MINUS, NO-80MHZ, NO-160MHZ        (2422 - 2462 @ 40), (6, 22), (N/A), AUTO-BW, NO-80MHZ, NO-160MHZ        (2447 - 2482 @ 40), (6, 22), (N/A), AUTO-BW, NO-HT40PLUS, NO-80MHZ, NO-160MHZ        (5170 - 5190 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5190 - 5210 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5210 - 5230 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5230 - 5250 @ 160), (6, 22), (N/A), NO-OUTDOOR, AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5250 - 5270 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5270 - 5290 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5290 - 5310 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5310 - 5330 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5490 - 5510 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5510 - 5530 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5530 - 5550 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5550 - 5570 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5570 - 5590 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5590 - 5610 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5610 - 5630 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-320MHZ, PASSIVE-SCAN        (5630 - 5650 @ 160), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-320MHZ, PASSIVE-SCAN        (5650 - 5670 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5670 - 5690 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5690 - 5710 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5710 - 5730 @ 80), (6, 22), (0 ms), DFS, AUTO-BW, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5735 - 5755 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5755 - 5775 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5775 - 5795 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5795 - 5815 @ 80), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40PLUS, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN        (5815 - 5835 @ 20), (6, 22), (N/A), AUTO-BW, IR-CONCURRENT, NO-HT40MINUS, NO-HT40PLUS, NO-80MHZ, NO-160MHZ, NO-320MHZ, PASSIVE-SCAN

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OpenWrt AX201 Wi-Fi 6 AP模式 网卡直通 监管域 DFS PCIe passthrough regulatory domain AP mode
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