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Remove debug lines (#1468)

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Remove print lines from EBPF code
This commit is contained in:
Zoltan Papp
2024-01-15 18:04:19 +01:00
committed by GitHub
parent e9c967b27c
commit 5a7aa461de
8 changed files with 19 additions and 15 deletions
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6
client/internal/ebpf/ebpf/src/dns_fwd.c
View File

@@ -46,8 +46,8 @@ int xdp_dns_fwd(struct iphdr *ip, struct udphdr *udp) {
if(!read_settings()){
return XDP_PASS;
}
bpf_printk("dns port: %d", ntohs(dns_port));
bpf_printk("dns ip: %d", ntohl(dns_ip));
// bpf_printk("dns port: %d", ntohs(dns_port));
// bpf_printk("dns ip: %d", ntohl(dns_ip));
}
if (udp->dest == GENERAL_DNS_PORT && ip->daddr == dns_ip) {
@@ -61,4 +61,4 @@ int xdp_dns_fwd(struct iphdr *ip, struct udphdr *udp) {
}
return XDP_PASS;
}
}

8
client/internal/ebpf/ebpf/src/prog.c
View File

@@ -8,12 +8,6 @@
#include "dns_fwd.c"
#include "wg_proxy.c"
#define bpf_printk(fmt, ...) \
({ \
char ____fmt[] = fmt; \
bpf_trace_printk(____fmt, sizeof(____fmt), ##__VA_ARGS__); \
})
const __u16 flag_feature_wg_proxy = 0b01;
const __u16 flag_feature_dns_fwd = 0b10;
@@ -63,4 +57,4 @@ int nb_xdp_prog(struct xdp_md *ctx) {
}
return XDP_PASS;
}
char _license[] SEC("license") = "GPL";
char _license[] SEC("license") = "GPL";

12
client/internal/ebpf/ebpf/src/readme.md Normal file
View File

@@ -0,0 +1,12 @@
# Debug
The CONFIG_BPF_EVENTS kernel module is required for bpf_printk.
Apply this code to use bpf_printk
```
#define bpf_printk(fmt, ...) \
({ \
char ____fmt[] = fmt; \
bpf_trace_printk(____fmt, sizeof(____fmt), ##__VA_ARGS__); \
})
```

4
client/internal/ebpf/ebpf/src/wg_proxy.c
View File

@@ -34,7 +34,7 @@ int xdp_wg_proxy(struct iphdr *ip, struct udphdr *udp) {
if (!read_port_settings()){
return XDP_PASS;
}
bpf_printk("proxy port: %d, wg port: %d", proxy_port, wg_port);
// bpf_printk("proxy port: %d, wg port: %d", proxy_port, wg_port);
}
// 2130706433 = 127.0.0.1
@@ -51,4 +51,4 @@ int xdp_wg_proxy(struct iphdr *ip, struct udphdr *udp) {
udp->dest = new_dst_port;
udp->source = new_src_port;
return XDP_PASS;
}
}