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_INET4_POST_BIND); 52 CGROUP_ATYPE(CGROUP_INET6_POST_BIND); 53 CGROUP_ATYPE(CGROUP_UDP4_SENDMSG); 54 CGROUP_ATYPE(CGROUP_UDP6_SENDMSG); 55 CGROUP_ATYPE(CGROUP_SYSCTL); 56 CGROUP_ATYPE(CGROUP_UDP4_RECVMSG); 57 CGROUP_ATYPE(CGROUP_UDP6_RECVMSG); 58 CGROUP_ATYPE(CGROUP_GETSOCKOPT); 59 CGROUP_ATYPE(CGROUP_SETSOCKOPT); 60 CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME); 61 CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME); 62 CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME); 63 CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME); 64 CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE); 65 default: 66 return CGROUP_BPF_ATTACH_TYPE_INVALID; 67 } 68 } 69 70 #undef CGROUP_ATYPE 71 72 extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE]; 73 #define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype]) 74 75 #define for_each_cgroup_storage_type(stype) \ 76 for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++) 77 78 struct bpf_cgroup_storage_map; 79 80 struct bpf_storage_buffer { 81 struct rcu_head rcu; 82 char data[]; 83 }; 84 85 struct bpf_cgroup_storage { 86 union { 87 struct bpf_storage_buffer *buf; 88 void __percpu *percpu_buf; 89 }; 90 struct bpf_cgroup_storage_map *map; 91 struct bpf_cgroup_storage_key key; 92 struct list_head list_map; 93 struct list_head list_cg; 94 struct rb_node node; 95 struct rcu_head rcu; 96 }; 97 98 struct bpf_cgroup_link { 99 struct bpf_link link; 100 struct cgroup *cgroup; 101 enum bpf_attach_type type; 102 }; 103 104 struct bpf_prog_list { 105 struct hlist_node node; 106 struct bpf_prog *prog; 107 struct bpf_cgroup_link *link; 108 struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]; 109 }; 110 111 int cgroup_bpf_inherit(struct cgroup *cgrp); 112 void cgroup_bpf_offline(struct cgroup *cgrp); 113 114 int __cgroup_bpf_run_filter_skb(struct sock *sk, 115 struct sk_buff *skb, 116 enum cgroup_bpf_attach_type atype); 117 118 int __cgroup_bpf_run_filter_sk(struct sock *sk, 119 enum cgroup_bpf_attach_type atype); 120 121 int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, 122 struct sockaddr *uaddr, 123 int *uaddrlen, 124 enum cgroup_bpf_attach_type atype, 125 void *t_ctx, 126 u32 *flags); 127 128 int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, 129 struct bpf_sock_ops_kern *sock_ops, 130 enum cgroup_bpf_attach_type atype); 131 132 int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, 133 short access, enum cgroup_bpf_attach_type atype); 134 135 int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, 136 struct ctl_table *table, int write, 137 char **buf, size_t *pcount, loff_t *ppos, 138 enum cgroup_bpf_attach_type atype); 139 140 int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, 141 int *optname, char __user *optval, 142 int *optlen, char **kernel_optval); 143 int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, 144 int optname, char __user *optval, 145 int __user *optlen, int max_optlen, 146 int retval); 147 148 int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, 149 int optname, void *optval, 150 int *optlen, int retval); 151 152 static inline enum bpf_cgroup_storage_type cgroup_storage_type( 153 struct bpf_map *map) 154 { 155 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE) 156 return BPF_CGROUP_STORAGE_PERCPU; 157 158 return BPF_CGROUP_STORAGE_SHARED; 159 } 160 161 struct bpf_cgroup_storage * 162 cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, 163 void *key, bool locked); 164 struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, 165 enum bpf_cgroup_storage_type stype); 166 void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); 167 void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, 168 struct cgroup *cgroup, 169 enum bpf_attach_type type); 170 void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); 171 int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); 172 173 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); 174 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, 175 void *value, u64 flags); 176 177 /* Opportunistic check to see whether we have any BPF program attached*/ 178 static inline bool cgroup_bpf_sock_enabled(struct sock *sk, 179 enum cgroup_bpf_attach_type type) 180 { 181 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data); 182 struct bpf_prog_array *array; 183 184 array = rcu_access_pointer(cgrp->bpf.effective[type]); 185 return array != &bpf_empty_prog_array.hdr; 186 } 187 188 /* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */ 189 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ 190 ({ \ 191 int __ret = 0; \ 192 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \ 193 cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \ 194 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ 195 CGROUP_INET_INGRESS); \ 196 \ 197 __ret; \ 198 }) 199 200 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ 201 ({ \ 202 int __ret = 0; \ 203 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ 204 typeof(sk) __sk = sk_to_full_sk(sk); \ 205 if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \ 206 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ 207 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ 208 CGROUP_INET_EGRESS); \ 209 } \ 210 __ret; \ 211 }) 212 213 #define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ 214 ({ \ 215 int __ret = 0; \ 216 if (cgroup_bpf_enabled(atype)) { \ 217 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ 218 } \ 219 __ret; \ 220 }) 221 222 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ 223 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) 224 225 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ 226 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) 227 228 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ 229 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) 230 231 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ 232 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) 233 234 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ 235 ({ \ 236 int __ret = 0; \ 237 if (cgroup_bpf_enabled(atype)) \ 238 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 239 atype, NULL, NULL); \ 240 __ret; \ 241 }) 242 243 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ 244 ({ \ 245 int __ret = 0; \ 246 if (cgroup_bpf_enabled(atype)) { \ 247 lock_sock(sk); \ 248 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 249 atype, t_ctx, NULL); \ 250 release_sock(sk); \ 251 } \ 252 __ret; \ 253 }) 254 255 /* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags 256 * via upper bits of return code. The only flag that is supported 257 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check 258 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). 259 */ 260 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \ 261 ({ \ 262 u32 __flags = 0; \ 263 int __ret = 0; \ 264 if (cgroup_bpf_enabled(atype)) { \ 265 lock_sock(sk); \ 266 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 267 atype, NULL, &__flags); \ 268 release_sock(sk); \ 269 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ 270 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ 271 } \ 272 __ret; \ 273 }) 274 275 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ 276 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ 277 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ 278 (sk)->sk_prot->pre_connect) 279 280 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \ 281 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT) 282 283 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \ 284 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT) 285 286 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 287 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL) 288 289 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 290 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL) 291 292 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 293 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx) 294 295 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 296 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx) 297 298 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 299 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL) 300 301 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 302 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL) 303 304 /* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a 305 * fullsock and its parent fullsock cannot be traced by 306 * sk_to_full_sk(). 307 * 308 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode. 309 * Its listener-sk is not attached to the rsk_listener. 310 * In this case, the caller holds the listener-sk (unlocked), 311 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with 312 * the listener-sk such that the cgroup-bpf-progs of the 313 * listener-sk will be run. 314 * 315 * Regardless of syncookie mode or not, 316 * calling bpf_setsockopt on listener-sk will not make sense anyway, 317 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here. 318 */ 319 #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ 320 ({ \ 321 int __ret = 0; \ 322 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ 323 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ 324 sock_ops, \ 325 CGROUP_SOCK_OPS); \ 326 __ret; \ 327 }) 328 329 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ 330 ({ \ 331 int __ret = 0; \ 332 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ 333 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ 334 if (__sk && sk_fullsock(__sk)) \ 335 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ 336 sock_ops, \ 337 CGROUP_SOCK_OPS); \ 338 } \ 339 __ret; \ 340 }) 341 342 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ 343 ({ \ 344 int __ret = 0; \ 345 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ 346 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ 347 access, \ 348 CGROUP_DEVICE); \ 349 \ 350 __ret; \ 351 }) 352 353 354 #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ 355 ({ \ 356 int __ret = 0; \ 357 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ 358 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ 359 buf, count, pos, \ 360 CGROUP_SYSCTL); \ 361 __ret; \ 362 }) 363 364 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 365 kernel_optval) \ 366 ({ \ 367 int __ret = 0; \ 368 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \ 369 cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \ 370 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ 371 optname, optval, \ 372 optlen, \ 373 kernel_optval); \ 374 __ret; \ 375 }) 376 377 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ 378 ({ \ 379 int __ret = 0; \ 380 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 381 get_user(__ret, optlen); \ 382 __ret; \ 383 }) 384 385 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ 386 max_optlen, retval) \ 387 ({ \ 388 int __ret = retval; \ 389 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ 390 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ 391 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ 392 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ 393 tcp_bpf_bypass_getsockopt, \ 394 level, optname)) \ 395 __ret = __cgroup_bpf_run_filter_getsockopt( \ 396 sock, level, optname, optval, optlen, \ 397 max_optlen, retval); \ 398 __ret; \ 399 }) 400 401 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 402 optlen, retval) \ 403 ({ \ 404 int __ret = retval; \ 405 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 406 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ 407 sock, level, optname, optval, optlen, retval); \ 408 __ret; \ 409 }) 410 411 int cgroup_bpf_prog_attach(const union bpf_attr *attr, 412 enum bpf_prog_type ptype, struct bpf_prog *prog); 413 int cgroup_bpf_prog_detach(const union bpf_attr *attr, 414 enum bpf_prog_type ptype); 415 int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); 416 int cgroup_bpf_prog_query(const union bpf_attr *attr, 417 union bpf_attr __user *uattr); 418 419 const struct bpf_func_proto * 420 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 421 const struct bpf_func_proto * 422 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 423 #else 424 425 static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } 426 static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} 427 428 static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, 429 enum bpf_prog_type ptype, 430 struct bpf_prog *prog) 431 { 432 return -EINVAL; 433 } 434 435 static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, 436 enum bpf_prog_type ptype) 437 { 438 return -EINVAL; 439 } 440 441 static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, 442 struct bpf_prog *prog) 443 { 444 return -EINVAL; 445 } 446 447 static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, 448 union bpf_attr __user *uattr) 449 { 450 return -EINVAL; 451 } 452 453 static inline const struct bpf_func_proto * 454 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 455 { 456 return NULL; 457 } 458 459 static inline const struct bpf_func_proto * 460 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 461 { 462 return NULL; 463 } 464 465 static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, 466 struct bpf_map *map) { return 0; } 467 static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( 468 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } 469 static inline void bpf_cgroup_storage_free( 470 struct bpf_cgroup_storage *storage) {} 471 static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, 472 void *value) { 473 return 0; 474 } 475 static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, 476 void *key, void *value, u64 flags) { 477 return 0; 478 } 479 480 #define cgroup_bpf_enabled(atype) (0) 481 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) 482 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) 483 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) 484 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) 485 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) 486 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) 487 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) 488 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) 489 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) 490 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) 491 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 492 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 493 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 494 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 495 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 496 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 497 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 498 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 499 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) 500 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) 501 #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) 502 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) 503 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ 504 optlen, max_optlen, retval) ({ retval; }) 505 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 506 optlen, retval) ({ retval; }) 507 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 508 kernel_optval) ({ 0; }) 509 510 #define for_each_cgroup_storage_type(stype) for (; false; ) 511 512 #endif /* CONFIG_CGROUP_BPF */ 513 514 #endif /* _BPF_CGROUP_H */ 515