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add TODO for unfinished files

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yunwei37
2023-01-23 18:58:16 +08:00
parent e8c84d0c35
commit ff0803b766
14 changed files with 243 additions and 439 deletions
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10
20-tc/README.md
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@@ -1,4 +1,4 @@
## eBPF 入门实践教程：
# eBPF 入门实践教程：使用 eBPF 进行 tc 流量控制
## tc 程序示例
@@ -9,7 +9,7 @@
#include <bpf/bpf_tracing.h>
#define TC_ACT_OK 0
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
/// @tchook {"ifindex":1, "attach_point":"BPF_TC_INGRESS"}
/// @tcopts {"handle":1, "priority":1}
@@ -76,10 +76,14 @@ Successfully started! Please run `sudo cat /sys/kernel/debug/tracing/trace_pipe`
The `tc` output in `/sys/kernel/debug/tracing/trace_pipe` should look
something like this:
```
```console
$ sudo cat /sys/kernel/debug/tracing/trace_pipe
node-1254811 [007] ..s1 8737831.671074: 0: Got IP packet: tot_len: 79, ttl: 64
sshd-1254728 [006] ..s1 8737831.674334: 0: Got IP packet: tot_len: 79, ttl: 64
sshd-1254728 [006] ..s1 8737831.674349: 0: Got IP packet: tot_len: 72, ttl: 64
node-1254811 [007] ..s1 8737831.674550: 0: Got IP packet: tot_len: 71, ttl: 64
```
## 总结
TODO