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elf: Make build compatible with RHEL7 #305

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14 changes: 11 additions & 3 deletions elf/include/uapi/linux/bpf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -837,14 +837,14 @@ union bpf_attr {
*
* int ret;
* struct bpf_tunnel_key key = {};
*
*
* ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
* if (ret < 0)
* return TC_ACT_SHOT; // drop packet
*
*
* if (key.remote_ipv4 != 0x0a000001)
* return TC_ACT_SHOT; // drop packet
*
*
* return TC_ACT_OK; // accept packet
*
* This interface can also be used with all encapsulation devices
Expand Down Expand Up @@ -3054,4 +3054,12 @@ struct bpf_line_info {
__u32 line_col;
};

#ifndef SO_ATTACH_BPF
#define SO_ATTACH_BPF 50
#endif

#ifndef SO_DETACH_BPF
#define SO_DETACH_BPF SO_DETACH_FILTER
#endif

#endif /* _UAPI__LINUX_BPF_H__ */