180 static int nsim_xdp_offload_prog(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_xdp_offload_prog()  argument
182 	if (!nsim_xdp_offload_active(ns) && !bpf->prog)  in nsim_xdp_offload_prog()
184 	if (!nsim_xdp_offload_active(ns) && bpf->prog && ns->bpf_offloaded) {  in nsim_xdp_offload_prog()
185 		NSIM_EA(bpf->extack, "TC program is already loaded");  in nsim_xdp_offload_prog()
189 	return nsim_bpf_offload(ns, bpf->prog, nsim_xdp_offload_active(ns));  in nsim_xdp_offload_prog()
193 nsim_xdp_set_prog(struct netdevsim *ns, struct netdev_bpf *bpf,  in nsim_xdp_set_prog()  argument
198 	if (bpf->command == XDP_SETUP_PROG && !ns->bpf_xdpdrv_accept) {  in nsim_xdp_set_prog()
199 		NSIM_EA(bpf->extack, "driver XDP disabled in DebugFS");  in nsim_xdp_set_prog()
202 	if (bpf->command == XDP_SETUP_PROG_HW && !ns->bpf_xdpoffload_accept) {  in nsim_xdp_set_prog()
203 		NSIM_EA(bpf->extack, "XDP offload disabled in DebugFS");  in nsim_xdp_set_prog()
207 	if (bpf->command == XDP_SETUP_PROG_HW) {  in nsim_xdp_set_prog()
208 		err = nsim_xdp_offload_prog(ns, bpf);  in nsim_xdp_set_prog()
213 	xdp_attachment_setup(xdp, bpf);  in nsim_xdp_set_prog()
293 static int nsim_setup_prog_checks(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_setup_prog_checks()  argument
295 	if (bpf->prog && bpf->prog->aux->offload) {  in nsim_setup_prog_checks()
296 		NSIM_EA(bpf->extack, "attempt to load offloaded prog to drv");  in nsim_setup_prog_checks()
299 	if (bpf->prog && !bpf->prog->aux->xdp_has_frags &&  in nsim_setup_prog_checks()
301 		NSIM_EA(bpf->extack, "MTU too large w/ XDP enabled");  in nsim_setup_prog_checks()
308 nsim_setup_prog_hw_checks(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_setup_prog_hw_checks()  argument
312 	if (!bpf->prog)  in nsim_setup_prog_hw_checks()
315 	if (!bpf_prog_is_offloaded(bpf->prog->aux)) {  in nsim_setup_prog_hw_checks()
316 		NSIM_EA(bpf->extack, "xdpoffload of non-bound program");  in nsim_setup_prog_hw_checks()
320 	state = bpf->prog->aux->offload->dev_priv;  in nsim_setup_prog_hw_checks()
322 		NSIM_EA(bpf->extack, "offloading program in bad state");  in nsim_setup_prog_hw_checks()
548 int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf)  in nsim_bpf()  argument
555 	switch (bpf->command) {  in nsim_bpf()
557 		err = nsim_setup_prog_checks(ns, bpf);  in nsim_bpf()
561 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp);  in nsim_bpf()
563 		err = nsim_setup_prog_hw_checks(ns, bpf);  in nsim_bpf()
567 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp_hw);  in nsim_bpf()
572 		return nsim_bpf_map_alloc(ns, bpf->offmap);  in nsim_bpf()
574 		nsim_bpf_map_free(bpf->offmap);  in nsim_bpf()