74 static __always_inline int handle_ipv4(struct xdp_md *xdp)  in handle_ipv4()  argument
76 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
77 	void *data = (void *)(long)xdp->data;  in handle_ipv4()
107 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))  in handle_ipv4()
110 	data = (void *)(long)xdp->data;  in handle_ipv4()
111 	data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
147 static __always_inline int handle_ipv6(struct xdp_md *xdp)  in handle_ipv6()  argument
149 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
150 	void *data = (void *)(long)xdp->data;  in handle_ipv6()
177 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))  in handle_ipv6()
180 	data = (void *)(long)xdp->data;  in handle_ipv6()
181 	data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
207 SEC("xdp")
208 int _xdp_tx_iptunnel(struct xdp_md *xdp)  in _xdp_tx_iptunnel()  argument
210 	void *data_end = (void *)(long)xdp->data_end;  in _xdp_tx_iptunnel()
211 	void *data = (void *)(long)xdp->data;  in _xdp_tx_iptunnel()
221 		return handle_ipv4(xdp);  in _xdp_tx_iptunnel()
224 		return handle_ipv6(xdp);  in _xdp_tx_iptunnel()