1. 解释nl80211_cmd_trigger_scan failed: device or resource busy错误的含义 nl80211_cmd_trigger_scan failed: device or resource busy错误表明在尝试触发无线网络扫描时遇到了问题。具体来说,这个错误表明设备或资源当前正忙,无法处理新的扫描请求。这通常发生在无线设备正在执行其他操作(如正在处理另一个扫描请求...
需要记住的是, 硬 MAC 设备和软 MAC 设备都需要 cfg80211 才能工作。...内核中相关的回调接口是 cfg80211 中的 nl80211 。用户层的工具通过 netlink 提供的库(如, NL80211_CMD_TRIGGER_SCAN )将命令发送到内核。...在内核中,由 nl80211 接收应用层发出的命令。如下代码展示了对应绑定情况。
[NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, }; /* policy for the key attributes */ static const struct nla_policy nl80211_key_policy[NL...
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