186 static int nsim_xdp_offload_prog(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_xdp_offload_prog()  argument
188 	if (!nsim_xdp_offload_active(ns) && !bpf->prog)  in nsim_xdp_offload_prog()
190 	if (!nsim_xdp_offload_active(ns) && bpf->prog && ns->bpf_offloaded) {  in nsim_xdp_offload_prog()
191 		NSIM_EA(bpf->extack, "TC program is already loaded");  in nsim_xdp_offload_prog()
195 	return nsim_bpf_offload(ns, bpf->prog, nsim_xdp_offload_active(ns));  in nsim_xdp_offload_prog()
199 nsim_xdp_set_prog(struct netdevsim *ns, struct netdev_bpf *bpf,  in nsim_xdp_set_prog()  argument
204 	if (!xdp_attachment_flags_ok(xdp, bpf))  in nsim_xdp_set_prog()
207 	if (bpf->command == XDP_SETUP_PROG && !ns->bpf_xdpdrv_accept) {  in nsim_xdp_set_prog()
208 		NSIM_EA(bpf->extack, "driver XDP disabled in DebugFS");  in nsim_xdp_set_prog()
211 	if (bpf->command == XDP_SETUP_PROG_HW && !ns->bpf_xdpoffload_accept) {  in nsim_xdp_set_prog()
212 		NSIM_EA(bpf->extack, "XDP offload disabled in DebugFS");  in nsim_xdp_set_prog()
216 	if (bpf->command == XDP_SETUP_PROG_HW) {  in nsim_xdp_set_prog()
217 		err = nsim_xdp_offload_prog(ns, bpf);  in nsim_xdp_set_prog()
222 	xdp_attachment_setup(xdp, bpf);  in nsim_xdp_set_prog()
272 static int nsim_setup_prog_checks(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_setup_prog_checks()  argument
274 	if (bpf->prog && bpf->prog->aux->offload) {  in nsim_setup_prog_checks()
275 		NSIM_EA(bpf->extack, "attempt to load offloaded prog to drv");  in nsim_setup_prog_checks()
279 		NSIM_EA(bpf->extack, "MTU too large w/ XDP enabled");  in nsim_setup_prog_checks()
286 nsim_setup_prog_hw_checks(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_setup_prog_hw_checks()  argument
290 	if (!bpf->prog)  in nsim_setup_prog_hw_checks()
293 	if (!bpf->prog->aux->offload) {  in nsim_setup_prog_hw_checks()
294 		NSIM_EA(bpf->extack, "xdpoffload of non-bound program");  in nsim_setup_prog_hw_checks()
297 	if (!bpf_offload_dev_match(bpf->prog, ns->netdev)) {  in nsim_setup_prog_hw_checks()
298 		NSIM_EA(bpf->extack, "program bound to different dev");  in nsim_setup_prog_hw_checks()
302 	state = bpf->prog->aux->offload->dev_priv;  in nsim_setup_prog_hw_checks()
304 		NSIM_EA(bpf->extack, "offloading program in bad state");  in nsim_setup_prog_hw_checks()
527 int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf)  in nsim_bpf()  argument
535 	switch (bpf->command) {  in nsim_bpf()
540 		err = nsim_bpf_create_prog(ns, bpf->verifier.prog);  in nsim_bpf()
544 		bpf->verifier.ops = &nsim_bpf_analyzer_ops;  in nsim_bpf()
547 		state = bpf->offload.prog->aux->offload->dev_priv;  in nsim_bpf()
552 		nsim_bpf_destroy_prog(bpf->offload.prog);  in nsim_bpf()
555 		return xdp_attachment_query(&ns->xdp, bpf);  in nsim_bpf()
557 		return xdp_attachment_query(&ns->xdp_hw, bpf);  in nsim_bpf()
559 		err = nsim_setup_prog_checks(ns, bpf);  in nsim_bpf()
563 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp);  in nsim_bpf()
565 		err = nsim_setup_prog_hw_checks(ns, bpf);  in nsim_bpf()
569 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp_hw);  in nsim_bpf()
574 		return nsim_bpf_map_alloc(ns, bpf->offmap);  in nsim_bpf()
576 		nsim_bpf_map_free(bpf->offmap);  in nsim_bpf()