Linux 字符驱动开发心得(3)

tail -n 5 /var/log/kern.log
Sep 17 20:05:57 quanweiC kernel: [23536.688371] [UFW BLOCK] IN=wlan0 OUT= MAC=c0:18:85:73:a1:8e:b8:88:e3:eb:30:c3:08:00 SRC=https://www.linuxidc.com/192.168.1.103 DST=192.168.1.105 LEN=63 TOS=0x00 PREC=0x00 TTL=64 ID=2558 DF PROTO=UDP SPT=11818 DPT=26724 LEN=43
Sep 17 20:06:02 quanweiC kernel: [23541.691748] [UFW BLOCK] IN=wlan0 OUT= MAC=c0:18:85:73:a1:8e:b8:88:e3:eb:30:c3:08:00 SRC=https://www.linuxidc.com/192.168.1.103 DST=192.168.1.105 LEN=63 TOS=0x00 PREC=0x00 TTL=64 ID=3335 DF PROTO=UDP SPT=11818 DPT=26724 LEN=43
Sep 17 20:06:51 quanweiC kernel: [23590.610275] [UFW BLOCK] IN=wlan0 OUT= MAC=c0:18:85:73:a1:8e:b8:88:e3:eb:30:c3:08:00 SRC=https://www.linuxidc.com/192.168.1.103 DST=192.168.1.105 LEN=63 TOS=0x00 PREC=0x00 TTL=64 ID=10708 PROTO=UDP SPT=11818 DPT=10948 LEN=43
Sep 17 20:07:04 quanweiC kernel: [23603.815562] [UFW BLOCK] IN=wlan0 OUT= MAC=c0:18:85:73:a1:8e:b8:88:e3:eb:30:c3:08:00 SRC=https://www.linuxidc.com/192.168.1.103 DST=192.168.1.105 LEN=63 TOS=0x00 PREC=0x00 TTL=64 ID=12523 PROTO=UDP SPT=11818 DPT=10104 LEN=43
Sep 17 20:07:04 quanweiC kernel: [23603.930248] device load success

最后一行显示我们加载驱动成功了。这样一个简单的字符驱动就写成功了。

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