1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _BPF_CGROUP_H 3 #define _BPF_CGROUP_H 4 5 #include <linux/bpf.h> 6 #include <linux/bpf-cgroup-defs.h> 7 #include <linux/errno.h> 8 #include <linux/jump_label.h> 9 #include <linux/percpu.h> 10 #include <linux/rbtree.h> 11 #include <net/sock.h> 12 #include <uapi/linux/bpf.h> 13 14 struct sock; 15 struct sockaddr; 16 struct cgroup; 17 struct sk_buff; 18 struct bpf_map; 19 struct bpf_prog; 20 struct bpf_sock_ops_kern; 21 struct bpf_cgroup_storage; 22 struct ctl_table; 23 struct ctl_table_header; 24 struct task_struct; 25 26 unsigned int __cgroup_bpf_run_lsm_sock(const void *ctx, 27 const struct bpf_insn *insn); 28 unsigned int __cgroup_bpf_run_lsm_socket(const void *ctx, 29 const struct bpf_insn *insn); 30 unsigned int __cgroup_bpf_run_lsm_current(const void *ctx, 31 const struct bpf_insn *insn); 32 33 #ifdef CONFIG_CGROUP_BPF 34 35 #define CGROUP_ATYPE(type) \ 36 case BPF_##type: return type 37 38 static inline enum cgroup_bpf_attach_type 39 to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type) 40 { 41 switch (attach_type) { 42 CGROUP_ATYPE(CGROUP_INET_INGRESS); 43 CGROUP_ATYPE(CGROUP_INET_EGRESS); 44 CGROUP_ATYPE(CGROUP_INET_SOCK_CREATE); 45 CGROUP_ATYPE(CGROUP_SOCK_OPS); 46 CGROUP_ATYPE(CGROUP_DEVICE); 47 CGROUP_ATYPE(CGROUP_INET4_BIND); 48 CGROUP_ATYPE(CGROUP_INET6_BIND); 49 CGROUP_ATYPE(CGROUP_INET4_CONNECT); 50 CGROUP_ATYPE(CGROUP_INET6_CONNECT); 51 CGROUP_ATYPE(CGROUP_UNIX_CONNECT); 52 CGROUP_ATYPE(CGROUP_INET4_POST_BIND); 53 CGROUP_ATYPE(CGROUP_INET6_POST_BIND); 54 CGROUP_ATYPE(CGROUP_UDP4_SENDMSG); 55 CGROUP_ATYPE(CGROUP_UDP6_SENDMSG); 56 CGROUP_ATYPE(CGROUP_UNIX_SENDMSG); 57 CGROUP_ATYPE(CGROUP_SYSCTL); 58 CGROUP_ATYPE(CGROUP_UDP4_RECVMSG); 59 CGROUP_ATYPE(CGROUP_UDP6_RECVMSG); 60 CGROUP_ATYPE(CGROUP_UNIX_RECVMSG); 61 CGROUP_ATYPE(CGROUP_GETSOCKOPT); 62 CGROUP_ATYPE(CGROUP_SETSOCKOPT); 63 CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME); 64 CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME); 65 CGROUP_ATYPE(CGROUP_UNIX_GETPEERNAME); 66 CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME); 67 CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME); 68 CGROUP_ATYPE(CGROUP_UNIX_GETSOCKNAME); 69 CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE); 70 default: 71 return CGROUP_BPF_ATTACH_TYPE_INVALID; 72 } 73 } 74 75 #undef CGROUP_ATYPE 76 77 extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE]; 78 #define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype]) 79 80 #define for_each_cgroup_storage_type(stype) \ 81 for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++) 82 83 struct bpf_cgroup_storage_map; 84 85 struct bpf_storage_buffer { 86 struct rcu_head rcu; 87 char data[]; 88 }; 89 90 struct bpf_cgroup_storage { 91 union { 92 struct bpf_storage_buffer *buf; 93 void __percpu *percpu_buf; 94 }; 95 struct bpf_cgroup_storage_map *map; 96 struct bpf_cgroup_storage_key key; 97 struct list_head list_map; 98 struct list_head list_cg; 99 struct rb_node node; 100 struct rcu_head rcu; 101 }; 102 103 struct bpf_cgroup_link { 104 struct bpf_link link; 105 struct cgroup *cgroup; 106 enum bpf_attach_type type; 107 }; 108 109 struct bpf_prog_list { 110 struct hlist_node node; 111 struct bpf_prog *prog; 112 struct bpf_cgroup_link *link; 113 struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]; 114 }; 115 116 int cgroup_bpf_inherit(struct cgroup *cgrp); 117 void cgroup_bpf_offline(struct cgroup *cgrp); 118 119 int __cgroup_bpf_run_filter_skb(struct sock *sk, 120 struct sk_buff *skb, 121 enum cgroup_bpf_attach_type atype); 122 123 int __cgroup_bpf_run_filter_sk(struct sock *sk, 124 enum cgroup_bpf_attach_type atype); 125 126 int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, 127 struct sockaddr *uaddr, 128 int *uaddrlen, 129 enum cgroup_bpf_attach_type atype, 130 void *t_ctx, 131 u32 *flags); 132 133 int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, 134 struct bpf_sock_ops_kern *sock_ops, 135 enum cgroup_bpf_attach_type atype); 136 137 int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, 138 short access, enum cgroup_bpf_attach_type atype); 139 140 int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, 141 struct ctl_table *table, int write, 142 char **buf, size_t *pcount, loff_t *ppos, 143 enum cgroup_bpf_attach_type atype); 144 145 int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, 146 int *optname, sockptr_t optval, 147 int *optlen, char **kernel_optval); 148 149 int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, 150 int optname, sockptr_t optval, 151 sockptr_t optlen, int max_optlen, 152 int retval); 153 154 int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, 155 int optname, void *optval, 156 int *optlen, int retval); 157 158 static inline enum bpf_cgroup_storage_type cgroup_storage_type( 159 struct bpf_map *map) 160 { 161 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE) 162 return BPF_CGROUP_STORAGE_PERCPU; 163 164 return BPF_CGROUP_STORAGE_SHARED; 165 } 166 167 struct bpf_cgroup_storage * 168 cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, 169 void *key, bool locked); 170 struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, 171 enum bpf_cgroup_storage_type stype); 172 void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); 173 void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, 174 struct cgroup *cgroup, 175 enum bpf_attach_type type); 176 void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); 177 int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); 178 179 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); 180 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, 181 void *value, u64 flags); 182 183 /* Opportunistic check to see whether we have any BPF program attached*/ 184 static inline bool cgroup_bpf_sock_enabled(struct sock *sk, 185 enum cgroup_bpf_attach_type type) 186 { 187 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data); 188 struct bpf_prog_array *array; 189 190 array = rcu_access_pointer(cgrp->bpf.effective[type]); 191 return array != &bpf_empty_prog_array.hdr; 192 } 193 194 /* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */ 195 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ 196 ({ \ 197 int __ret = 0; \ 198 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \ 199 cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \ 200 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ 201 CGROUP_INET_INGRESS); \ 202 \ 203 __ret; \ 204 }) 205 206 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ 207 ({ \ 208 int __ret = 0; \ 209 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ 210 typeof(sk) __sk = sk_to_full_sk(sk); \ 211 if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \ 212 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ 213 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ 214 CGROUP_INET_EGRESS); \ 215 } \ 216 __ret; \ 217 }) 218 219 #define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ 220 ({ \ 221 int __ret = 0; \ 222 if (cgroup_bpf_enabled(atype)) { \ 223 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ 224 } \ 225 __ret; \ 226 }) 227 228 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ 229 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) 230 231 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ 232 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) 233 234 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ 235 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) 236 237 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ 238 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) 239 240 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ 241 ({ \ 242 int __ret = 0; \ 243 if (cgroup_bpf_enabled(atype)) \ 244 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 245 atype, NULL, NULL); \ 246 __ret; \ 247 }) 248 249 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ 250 ({ \ 251 int __ret = 0; \ 252 if (cgroup_bpf_enabled(atype)) { \ 253 lock_sock(sk); \ 254 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 255 atype, t_ctx, NULL); \ 256 release_sock(sk); \ 257 } \ 258 __ret; \ 259 }) 260 261 /* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags 262 * via upper bits of return code. The only flag that is supported 263 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check 264 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). 265 */ 266 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \ 267 ({ \ 268 u32 __flags = 0; \ 269 int __ret = 0; \ 270 if (cgroup_bpf_enabled(atype)) { \ 271 lock_sock(sk); \ 272 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 273 atype, NULL, &__flags); \ 274 release_sock(sk); \ 275 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ 276 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ 277 } \ 278 __ret; \ 279 }) 280 281 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ 282 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ 283 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ 284 (sk)->sk_prot->pre_connect) 285 286 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \ 287 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT) 288 289 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \ 290 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT) 291 292 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 293 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL) 294 295 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 296 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL) 297 298 #define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 299 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_CONNECT, NULL) 300 301 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 302 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx) 303 304 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 305 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx) 306 307 #define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 308 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_SENDMSG, t_ctx) 309 310 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 311 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL) 312 313 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 314 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL) 315 316 #define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 317 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_RECVMSG, NULL) 318 319 /* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a 320 * fullsock and its parent fullsock cannot be traced by 321 * sk_to_full_sk(). 322 * 323 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode. 324 * Its listener-sk is not attached to the rsk_listener. 325 * In this case, the caller holds the listener-sk (unlocked), 326 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with 327 * the listener-sk such that the cgroup-bpf-progs of the 328 * listener-sk will be run. 329 * 330 * Regardless of syncookie mode or not, 331 * calling bpf_setsockopt on listener-sk will not make sense anyway, 332 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here. 333 */ 334 #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ 335 ({ \ 336 int __ret = 0; \ 337 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ 338 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ 339 sock_ops, \ 340 CGROUP_SOCK_OPS); \ 341 __ret; \ 342 }) 343 344 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ 345 ({ \ 346 int __ret = 0; \ 347 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ 348 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ 349 if (__sk && sk_fullsock(__sk)) \ 350 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ 351 sock_ops, \ 352 CGROUP_SOCK_OPS); \ 353 } \ 354 __ret; \ 355 }) 356 357 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ 358 ({ \ 359 int __ret = 0; \ 360 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ 361 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ 362 access, \ 363 CGROUP_DEVICE); \ 364 \ 365 __ret; \ 366 }) 367 368 369 #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ 370 ({ \ 371 int __ret = 0; \ 372 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ 373 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ 374 buf, count, pos, \ 375 CGROUP_SYSCTL); \ 376 __ret; \ 377 }) 378 379 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 380 kernel_optval) \ 381 ({ \ 382 int __ret = 0; \ 383 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \ 384 cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \ 385 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ 386 optname, optval, \ 387 optlen, \ 388 kernel_optval); \ 389 __ret; \ 390 }) 391 392 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ 393 ({ \ 394 int __ret = 0; \ 395 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 396 copy_from_sockptr(&__ret, optlen, sizeof(int)); \ 397 __ret; \ 398 }) 399 400 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ 401 max_optlen, retval) \ 402 ({ \ 403 int __ret = retval; \ 404 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ 405 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ 406 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ 407 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ 408 tcp_bpf_bypass_getsockopt, \ 409 level, optname)) \ 410 __ret = __cgroup_bpf_run_filter_getsockopt( \ 411 sock, level, optname, optval, optlen, \ 412 max_optlen, retval); \ 413 __ret; \ 414 }) 415 416 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 417 optlen, retval) \ 418 ({ \ 419 int __ret = retval; \ 420 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 421 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ 422 sock, level, optname, optval, optlen, retval); \ 423 __ret; \ 424 }) 425 426 int cgroup_bpf_prog_attach(const union bpf_attr *attr, 427 enum bpf_prog_type ptype, struct bpf_prog *prog); 428 int cgroup_bpf_prog_detach(const union bpf_attr *attr, 429 enum bpf_prog_type ptype); 430 int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); 431 int cgroup_bpf_prog_query(const union bpf_attr *attr, 432 union bpf_attr __user *uattr); 433 434 const struct bpf_func_proto * 435 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 436 const struct bpf_func_proto * 437 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 438 #else 439 440 static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } 441 static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} 442 443 static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, 444 enum bpf_prog_type ptype, 445 struct bpf_prog *prog) 446 { 447 return -EINVAL; 448 } 449 450 static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, 451 enum bpf_prog_type ptype) 452 { 453 return -EINVAL; 454 } 455 456 static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, 457 struct bpf_prog *prog) 458 { 459 return -EINVAL; 460 } 461 462 static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, 463 union bpf_attr __user *uattr) 464 { 465 return -EINVAL; 466 } 467 468 static inline const struct bpf_func_proto * 469 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 470 { 471 return NULL; 472 } 473 474 static inline const struct bpf_func_proto * 475 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 476 { 477 return NULL; 478 } 479 480 static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, 481 struct bpf_map *map) { return 0; } 482 static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( 483 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } 484 static inline void bpf_cgroup_storage_free( 485 struct bpf_cgroup_storage *storage) {} 486 static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, 487 void *value) { 488 return 0; 489 } 490 static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, 491 void *key, void *value, u64 flags) { 492 return 0; 493 } 494 495 #define cgroup_bpf_enabled(atype) (0) 496 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) 497 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) 498 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) 499 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) 500 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) 501 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) 502 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) 503 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) 504 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) 505 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) 506 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 507 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 508 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 509 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 510 #define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 511 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 512 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 513 #define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 514 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 515 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 516 #define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 517 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) 518 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) 519 #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) 520 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) 521 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ 522 optlen, max_optlen, retval) ({ retval; }) 523 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 524 optlen, retval) ({ retval; }) 525 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 526 kernel_optval) ({ 0; }) 527 528 #define for_each_cgroup_storage_type(stype) for (; false; ) 529 530 #endif /* CONFIG_CGROUP_BPF */ 531 532 #endif /* _BPF_CGROUP_H */ 533