41 	struct netdevsim *ns;  member
87 static bool nsim_xdp_offload_active(struct netdevsim *ns)  in nsim_xdp_offload_active()  argument
89 	return ns->xdp_hw.prog;  in nsim_xdp_offload_active()
104 nsim_bpf_offload(struct netdevsim *ns, struct bpf_prog *prog, bool oldprog)  in nsim_bpf_offload()  argument
106 	nsim_prog_set_loaded(ns->bpf_offloaded, false);  in nsim_bpf_offload()
108 	WARN(!!ns->bpf_offloaded != oldprog,  in nsim_bpf_offload()
111 	ns->bpf_offloaded = prog;  in nsim_bpf_offload()
112 	ns->bpf_offloaded_id = prog ? prog->aux->id : 0;  in nsim_bpf_offload()
123 	struct netdevsim *ns = cb_priv;  in nsim_bpf_setup_tc_block_cb()  local
132 	if (!tc_cls_can_offload_and_chain0(ns->netdev, &cls_bpf->common))  in nsim_bpf_setup_tc_block_cb()
141 	if (!ns->bpf_tc_accept) {  in nsim_bpf_setup_tc_block_cb()
147 	if (prog && !prog->aux->offload && !ns->bpf_tc_non_bound_accept) {  in nsim_bpf_setup_tc_block_cb()
159 	if (ns->bpf_offloaded != oldprog) {  in nsim_bpf_setup_tc_block_cb()
163 		if (ns->bpf_offloaded) {  in nsim_bpf_setup_tc_block_cb()
170 	return nsim_bpf_offload(ns, cls_bpf->prog, oldprog);  in nsim_bpf_setup_tc_block_cb()
173 int nsim_bpf_disable_tc(struct netdevsim *ns)  in nsim_bpf_disable_tc()  argument
175 	if (ns->bpf_offloaded && !nsim_xdp_offload_active(ns))  in nsim_bpf_disable_tc()
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()
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()
202 	if (bpf->command == XDP_SETUP_PROG_HW && !ns->bpf_xdpoffload_accept) {  in nsim_xdp_set_prog()
208 		err = nsim_xdp_offload_prog(ns, 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
299 	if (ns->netdev->mtu > NSIM_XDP_MAX_MTU) {  in nsim_setup_prog_checks()
307 nsim_setup_prog_hw_checks(struct netdevsim *ns, struct netdev_bpf *bpf)  in nsim_setup_prog_hw_checks()  argument
484 nsim_bpf_map_alloc(struct netdevsim *ns, struct bpf_offloaded_map *offmap)  in nsim_bpf_map_alloc()  argument
502 	nmap->ns = ns;  in nsim_bpf_map_alloc()
520 	list_add_tail(&nmap->l, &ns->nsim_dev->bpf_bound_maps);  in nsim_bpf_map_alloc()
549 	struct netdevsim *ns = netdev_priv(dev);  in nsim_bpf()  local
556 		err = nsim_setup_prog_checks(ns, bpf);  in nsim_bpf()
560 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp);  in nsim_bpf()
562 		err = nsim_setup_prog_hw_checks(ns, bpf);  in nsim_bpf()
566 		return nsim_xdp_set_prog(ns, bpf, &ns->xdp_hw);  in nsim_bpf()
568 		if (!ns->bpf_map_accept)  in nsim_bpf()
571 		return nsim_bpf_map_alloc(ns, bpf->offmap);  in nsim_bpf()
615 int nsim_bpf_init(struct netdevsim *ns)  in nsim_bpf_init()  argument
617 	struct dentry *ddir = ns->nsim_dev_port->ddir;  in nsim_bpf_init()
620 	err = bpf_offload_dev_netdev_register(ns->nsim_dev->bpf_dev,  in nsim_bpf_init()
621 					      ns->netdev);  in nsim_bpf_init()
626 			   &ns->bpf_offloaded_id);  in nsim_bpf_init()
628 	ns->bpf_tc_accept = true;  in nsim_bpf_init()
630 			    &ns->bpf_tc_accept);  in nsim_bpf_init()
632 			    &ns->bpf_tc_non_bound_accept);  in nsim_bpf_init()
633 	ns->bpf_xdpdrv_accept = true;  in nsim_bpf_init()
635 			    &ns->bpf_xdpdrv_accept);  in nsim_bpf_init()
636 	ns->bpf_xdpoffload_accept = true;  in nsim_bpf_init()
638 			    &ns->bpf_xdpoffload_accept);  in nsim_bpf_init()
640 	ns->bpf_map_accept = true;  in nsim_bpf_init()
642 			    &ns->bpf_map_accept);  in nsim_bpf_init()
647 void nsim_bpf_uninit(struct netdevsim *ns)  in nsim_bpf_uninit()  argument
649 	WARN_ON(ns->xdp.prog);  in nsim_bpf_uninit()
650 	WARN_ON(ns->xdp_hw.prog);  in nsim_bpf_uninit()
651 	WARN_ON(ns->bpf_offloaded);  in nsim_bpf_uninit()
652 	bpf_offload_dev_netdev_unregister(ns->nsim_dev->bpf_dev, ns->netdev);  in nsim_bpf_uninit()