return adjust_head(nfp_prog, meta);
case BPF_FUNC_map_lookup_elem:
case BPF_FUNC_map_update_elem:
+ case BPF_FUNC_map_delete_elem:
return map_call_stack_common(nfp_prog, meta);
default:
WARN_ONCE(1, "verifier allowed unsupported function\n");
case BPF_FUNC_map_update_elem:
val = nfp_prog->bpf->helpers.map_update;
break;
+ case BPF_FUNC_map_delete_elem:
+ val = nfp_prog->bpf->helpers.map_delete;
+ break;
default:
pr_err("relocation of unknown helper %d\n",
val);
case BPF_FUNC_map_update_elem:
bpf->helpers.map_update = readl(&cap->func_addr);
break;
+ case BPF_FUNC_map_delete_elem:
+ bpf->helpers.map_delete = readl(&cap->func_addr);
+ break;
}
return 0;
* @helpers: helper addressess for various calls
* @helpers.map_lookup: map lookup helper address
* @helpers.map_update: map update helper address
+ * @helpers.map_delete: map delete helper address
*/
struct nfp_app_bpf {
struct nfp_app *app;
struct {
u32 map_lookup;
u32 map_update;
+ u32 map_delete;
} helpers;
};
!nfp_bpf_stack_arg_ok("map_update", env, reg3, NULL))
return -EOPNOTSUPP;
break;
+
+ case BPF_FUNC_map_delete_elem:
+ if (!nfp_bpf_map_call_ok("map_delete", env, meta,
+ bpf->helpers.map_delete, reg1) ||
+ !nfp_bpf_stack_arg_ok("map_delete", env, reg2,
+ meta->func_id ? &meta->arg2 : NULL))
+ return -EOPNOTSUPP;
+ break;
default:
pr_vlog(env, "unsupported function id: %d\n", func_id);
return -EOPNOTSUPP;