1 // SPDX-License-Identifier: GPL-2.0+
12 	struct lan966x *lan966x = port->lan966x;  in lan966x_xdp_setup()  local
17 	if (!lan966x->fdma) {  in lan966x_xdp_setup()
18 		NL_SET_ERR_MSG_MOD(xdp->extack,  in lan966x_xdp_setup()
20 		return -EOPNOTSUPP;  in lan966x_xdp_setup()
23 	old_xdp = lan966x_xdp_present(lan966x);  in lan966x_xdp_setup()
24 	old_prog = xchg(&port->xdp_prog, xdp->prog);  in lan966x_xdp_setup()
25 	new_xdp = lan966x_xdp_present(lan966x);  in lan966x_xdp_setup()
30 	err = lan966x_fdma_reload_page_pool(lan966x);  in lan966x_xdp_setup()
32 		xchg(&port->xdp_prog, old_prog);  in lan966x_xdp_setup()
45 	switch (xdp->command) {  in lan966x_xdp()
49 		return -EINVAL;  in lan966x_xdp()
77 	struct bpf_prog *xdp_prog = port->xdp_prog;  in lan966x_xdp_run()
78 	struct lan966x *lan966x = port->lan966x;  in lan966x_xdp_run()  local
82 	xdp_init_buff(&xdp, PAGE_SIZE << lan966x->rx.page_order,  in lan966x_xdp_run()
83 		      &port->xdp_rxq);  in lan966x_xdp_run()
86 			 data_len - IFH_LEN_BYTES, false);  in lan966x_xdp_run()
88 	switch (act) {  in lan966x_xdp_run()
93 					      data_len - IFH_LEN_BYTES) ?  in lan966x_xdp_run()
96 		if (xdp_do_redirect(port->dev, &xdp, xdp_prog))  in lan966x_xdp_run()
101 		bpf_warn_invalid_xdp_action(port->dev, xdp_prog, act);  in lan966x_xdp_run()
104 		trace_xdp_exception(port->dev, xdp_prog, act);  in lan966x_xdp_run()
111 bool lan966x_xdp_present(struct lan966x *lan966x)  in lan966x_xdp_present()  argument
113 	for (int p = 0; p < lan966x->num_phys_ports; ++p) {  in lan966x_xdp_present()
114 		if (!lan966x->ports[p])  in lan966x_xdp_present()
117 		if (lan966x_xdp_port_present(lan966x->ports[p]))  in lan966x_xdp_present()
126 	struct lan966x *lan966x = port->lan966x;  in lan966x_xdp_port_init()  local
128 	return xdp_rxq_info_reg(&port->xdp_rxq, port->dev, 0,  in lan966x_xdp_port_init()
129 				lan966x->napi.napi_id);  in lan966x_xdp_port_init()
134 	if (xdp_rxq_info_is_reg(&port->xdp_rxq))  in lan966x_xdp_port_deinit()
135 		xdp_rxq_info_unreg(&port->xdp_rxq);  in lan966x_xdp_port_deinit()