78 static __always_inline int handle_ipv4(struct xdp_md *xdp)  in handle_ipv4()  argument
80 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
81 	void *data = (void *)(long)xdp->data;  in handle_ipv4()
111 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))  in handle_ipv4()
114 	data = (void *)(long)xdp->data;  in handle_ipv4()
115 	data_end = (void *)(long)xdp->data_end;  in handle_ipv4()
151 static __always_inline int handle_ipv6(struct xdp_md *xdp)  in handle_ipv6()  argument
153 	void *data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
154 	void *data = (void *)(long)xdp->data;  in handle_ipv6()
181 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))  in handle_ipv6()
184 	data = (void *)(long)xdp->data;  in handle_ipv6()
185 	data_end = (void *)(long)xdp->data_end;  in handle_ipv6()
211 SEC("xdp")
212 int _xdp_tx_iptunnel(struct xdp_md *xdp)  in _xdp_tx_iptunnel()  argument
214 	void *data_end = (void *)(long)xdp->data_end;  in _xdp_tx_iptunnel()
215 	void *data = (void *)(long)xdp->data;  in _xdp_tx_iptunnel()
225 		return handle_ipv4(xdp);  in _xdp_tx_iptunnel()
228 		return handle_ipv6(xdp);  in _xdp_tx_iptunnel()