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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /samples/bpf/tcbpf1_kern.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'samples/bpf/tcbpf1_kern.c')
| -rw-r--r-- | samples/bpf/tcbpf1_kern.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/samples/bpf/tcbpf1_kern.c b/samples/bpf/tcbpf1_kern.c index 9bfb2eb34..fa051b3d5 100644 --- a/samples/bpf/tcbpf1_kern.c +++ b/samples/bpf/tcbpf1_kern.c @@ -5,7 +5,7 @@ #include <uapi/linux/in.h> #include <uapi/linux/tcp.h> #include <uapi/linux/filter.h> - +#include <uapi/linux/pkt_cls.h> #include "bpf_helpers.h" /* compiler workaround */ @@ -64,4 +64,26 @@ int bpf_prog1(struct __sk_buff *skb) return 0; } +SEC("redirect_xmit") +int _redirect_xmit(struct __sk_buff *skb) +{ + return bpf_redirect(skb->ifindex + 1, 0); +} +SEC("redirect_recv") +int _redirect_recv(struct __sk_buff *skb) +{ + return bpf_redirect(skb->ifindex + 1, 1); +} +SEC("clone_redirect_xmit") +int _clone_redirect_xmit(struct __sk_buff *skb) +{ + bpf_clone_redirect(skb, skb->ifindex + 1, 0); + return TC_ACT_SHOT; +} +SEC("clone_redirect_recv") +int _clone_redirect_recv(struct __sk_buff *skb) +{ + bpf_clone_redirect(skb, skb->ifindex + 1, 1); + return TC_ACT_SHOT; +} char _license[] SEC("license") = "GPL"; |