1233 static int tun_xdp(struct net_device *dev, struct netdev_bpf *xdp)  in tun_xdp()  argument
1235 	switch (xdp->command) {  in tun_xdp()
1237 		return tun_xdp_set(dev, xdp->prog, xdp->extack);  in tun_xdp()
1239 		xdp->prog_id = tun_xdp_query(dev);  in tun_xdp()
1310 		struct xdp_frame *xdp = frames[i];  in tun_xdp_xmit()  local
1314 		void *frame = tun_xdp_to_ptr(xdp);  in tun_xdp_xmit()
1318 			xdp_return_frame_rx_napi(xdp);  in tun_xdp_xmit()
1331 static int tun_xdp_tx(struct net_device *dev, struct xdp_buff *xdp)  in tun_xdp_tx()  argument
1333 	struct xdp_frame *frame = convert_to_xdp_frame(xdp);  in tun_xdp_tx()
1624 		       struct xdp_buff *xdp, u32 act)  in tun_xdp_act()  argument
1630 		err = xdp_do_redirect(tun->dev, xdp, xdp_prog);  in tun_xdp_act()
1635 		err = tun_xdp_tx(tun->dev, xdp);  in tun_xdp_act()
1703 		struct xdp_buff xdp;  in tun_build_skb()  local
1706 		xdp.data_hard_start = buf;  in tun_build_skb()
1707 		xdp.data = buf + pad;  in tun_build_skb()
1708 		xdp_set_data_meta_invalid(&xdp);  in tun_build_skb()
1709 		xdp.data_end = xdp.data + len;  in tun_build_skb()
1710 		xdp.rxq = &tfile->xdp_rxq;  in tun_build_skb()
1712 		act = bpf_prog_run_xdp(xdp_prog, &xdp);  in tun_build_skb()
1717 		err = tun_xdp_act(tun, xdp_prog, &xdp, act);  in tun_build_skb()
1725 		pad = xdp.data - xdp.data_hard_start;  in tun_build_skb()
1726 		len = xdp.data_end - xdp.data;  in tun_build_skb()
2421 		       struct xdp_buff *xdp, int *flush,  in tun_xdp_one()  argument
2424 	unsigned int datasize = xdp->data_end - xdp->data;  in tun_xdp_one()
2425 	struct tun_xdp_hdr *hdr = xdp->data_hard_start;  in tun_xdp_one()
2442 		xdp_set_data_meta_invalid(xdp);  in tun_xdp_one()
2443 		xdp->rxq = &tfile->xdp_rxq;  in tun_xdp_one()
2445 		act = bpf_prog_run_xdp(xdp_prog, xdp);  in tun_xdp_one()
2446 		err = tun_xdp_act(tun, xdp_prog, xdp, act);  in tun_xdp_one()
2448 			put_page(virt_to_head_page(xdp->data));  in tun_xdp_one()
2461 			page = virt_to_head_page(xdp->data);  in tun_xdp_one()
2474 	skb = build_skb(xdp->data_hard_start, buflen);  in tun_xdp_one()
2480 	skb_reserve(skb, xdp->data - xdp->data_hard_start);  in tun_xdp_one()
2481 	skb_put(skb, xdp->data_end - xdp->data);  in tun_xdp_one()
2529 	struct xdp_buff *xdp;  in tun_sendmsg()  local
2545 			xdp = &((struct xdp_buff *)ctl->ptr)[i];  in tun_sendmsg()
2546 			tun_xdp_one(tun, tfile, xdp, &flush, &tpage);  in tun_sendmsg()