79 static __always_inline int handle_ipv4(struct xdp_md *xdp)  in handle_ipv4()  argument
81 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
82 	void *data = (void *)(long)xdp->data;  in handle_ipv4()
112 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))  in handle_ipv4()
115 	data = (void *)(long)xdp->data;  in handle_ipv4()
116 	data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
152 static __always_inline int handle_ipv6(struct xdp_md *xdp)  in handle_ipv6()  argument
154 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
155 	void *data = (void *)(long)xdp->data;  in handle_ipv6()
182 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))  in handle_ipv6()
185 	data = (void *)(long)xdp->data;  in handle_ipv6()
186 	data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
212 SEC("xdp")
213 int _xdp_tx_iptunnel(struct xdp_md *xdp)  in _xdp_tx_iptunnel()  argument
215 	void *data_end = (void *)(long)xdp->data_end;  in _xdp_tx_iptunnel()
216 	void *data = (void *)(long)xdp->data;  in _xdp_tx_iptunnel()
226 		return handle_ipv4(xdp);  in _xdp_tx_iptunnel()
229 		return handle_ipv6(xdp);  in _xdp_tx_iptunnel()