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