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, char __user *optval, 147 int *optlen, char **kernel_optval); 148 int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, 149 int optname, char __user *optval, 150 int __user *optlen, int max_optlen, 151 int retval); 152 153 int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, 154 int optname, void *optval, 155 int *optlen, int retval); 156 157 static inline enum bpf_cgroup_storage_type cgroup_storage_type( 158 struct bpf_map *map) 159 { 160 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE) 161 return BPF_CGROUP_STORAGE_PERCPU; 162 163 return BPF_CGROUP_STORAGE_SHARED; 164 } 165 166 struct bpf_cgroup_storage * 167 cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, 168 void *key, bool locked); 169 struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, 170 enum bpf_cgroup_storage_type stype); 171 void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); 172 void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, 173 struct cgroup *cgroup, 174 enum bpf_attach_type type); 175 void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); 176 int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); 177 178 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); 179 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, 180 void *value, u64 flags); 181 182 /* Opportunistic check to see whether we have any BPF program attached*/ 183 static inline bool cgroup_bpf_sock_enabled(struct sock *sk, 184 enum cgroup_bpf_attach_type type) 185 { 186 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data); 187 struct bpf_prog_array *array; 188 189 array = rcu_access_pointer(cgrp->bpf.effective[type]); 190 return array != &bpf_empty_prog_array.hdr; 191 } 192 193 /* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */ 194 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ 195 ({ \ 196 int __ret = 0; \ 197 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \ 198 cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \ 199 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ 200 CGROUP_INET_INGRESS); \ 201 \ 202 __ret; \ 203 }) 204 205 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ 206 ({ \ 207 int __ret = 0; \ 208 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ 209 typeof(sk) __sk = sk_to_full_sk(sk); \ 210 if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \ 211 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ 212 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ 213 CGROUP_INET_EGRESS); \ 214 } \ 215 __ret; \ 216 }) 217 218 #define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ 219 ({ \ 220 int __ret = 0; \ 221 if (cgroup_bpf_enabled(atype)) { \ 222 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ 223 } \ 224 __ret; \ 225 }) 226 227 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ 228 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) 229 230 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ 231 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) 232 233 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ 234 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) 235 236 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ 237 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) 238 239 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ 240 ({ \ 241 int __ret = 0; \ 242 if (cgroup_bpf_enabled(atype)) \ 243 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 244 atype, NULL, NULL); \ 245 __ret; \ 246 }) 247 248 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ 249 ({ \ 250 int __ret = 0; \ 251 if (cgroup_bpf_enabled(atype)) { \ 252 lock_sock(sk); \ 253 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 254 atype, t_ctx, NULL); \ 255 release_sock(sk); \ 256 } \ 257 __ret; \ 258 }) 259 260 /* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags 261 * via upper bits of return code. The only flag that is supported 262 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check 263 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). 264 */ 265 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \ 266 ({ \ 267 u32 __flags = 0; \ 268 int __ret = 0; \ 269 if (cgroup_bpf_enabled(atype)) { \ 270 lock_sock(sk); \ 271 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 272 atype, NULL, &__flags); \ 273 release_sock(sk); \ 274 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ 275 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ 276 } \ 277 __ret; \ 278 }) 279 280 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ 281 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ 282 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ 283 (sk)->sk_prot->pre_connect) 284 285 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \ 286 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT) 287 288 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \ 289 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT) 290 291 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 292 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL) 293 294 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 295 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL) 296 297 #define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 298 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_CONNECT, NULL) 299 300 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 301 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx) 302 303 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 304 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx) 305 306 #define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 307 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_SENDMSG, t_ctx) 308 309 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 310 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL) 311 312 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 313 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL) 314 315 #define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 316 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_RECVMSG, NULL) 317 318 /* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a 319 * fullsock and its parent fullsock cannot be traced by 320 * sk_to_full_sk(). 321 * 322 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode. 323 * Its listener-sk is not attached to the rsk_listener. 324 * In this case, the caller holds the listener-sk (unlocked), 325 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with 326 * the listener-sk such that the cgroup-bpf-progs of the 327 * listener-sk will be run. 328 * 329 * Regardless of syncookie mode or not, 330 * calling bpf_setsockopt on listener-sk will not make sense anyway, 331 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here. 332 */ 333 #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ 334 ({ \ 335 int __ret = 0; \ 336 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ 337 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ 338 sock_ops, \ 339 CGROUP_SOCK_OPS); \ 340 __ret; \ 341 }) 342 343 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ 344 ({ \ 345 int __ret = 0; \ 346 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ 347 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ 348 if (__sk && sk_fullsock(__sk)) \ 349 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ 350 sock_ops, \ 351 CGROUP_SOCK_OPS); \ 352 } \ 353 __ret; \ 354 }) 355 356 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ 357 ({ \ 358 int __ret = 0; \ 359 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ 360 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ 361 access, \ 362 CGROUP_DEVICE); \ 363 \ 364 __ret; \ 365 }) 366 367 368 #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ 369 ({ \ 370 int __ret = 0; \ 371 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ 372 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ 373 buf, count, pos, \ 374 CGROUP_SYSCTL); \ 375 __ret; \ 376 }) 377 378 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 379 kernel_optval) \ 380 ({ \ 381 int __ret = 0; \ 382 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \ 383 cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \ 384 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ 385 optname, optval, \ 386 optlen, \ 387 kernel_optval); \ 388 __ret; \ 389 }) 390 391 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ 392 ({ \ 393 int __ret = 0; \ 394 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 395 get_user(__ret, optlen); \ 396 __ret; \ 397 }) 398 399 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ 400 max_optlen, retval) \ 401 ({ \ 402 int __ret = retval; \ 403 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ 404 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ 405 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ 406 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ 407 tcp_bpf_bypass_getsockopt, \ 408 level, optname)) \ 409 __ret = __cgroup_bpf_run_filter_getsockopt( \ 410 sock, level, optname, optval, optlen, \ 411 max_optlen, retval); \ 412 __ret; \ 413 }) 414 415 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 416 optlen, retval) \ 417 ({ \ 418 int __ret = retval; \ 419 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 420 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ 421 sock, level, optname, optval, optlen, retval); \ 422 __ret; \ 423 }) 424 425 int cgroup_bpf_prog_attach(const union bpf_attr *attr, 426 enum bpf_prog_type ptype, struct bpf_prog *prog); 427 int cgroup_bpf_prog_detach(const union bpf_attr *attr, 428 enum bpf_prog_type ptype); 429 int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); 430 int cgroup_bpf_prog_query(const union bpf_attr *attr, 431 union bpf_attr __user *uattr); 432 433 const struct bpf_func_proto * 434 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 435 const struct bpf_func_proto * 436 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 437 #else 438 439 static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } 440 static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} 441 442 static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, 443 enum bpf_prog_type ptype, 444 struct bpf_prog *prog) 445 { 446 return -EINVAL; 447 } 448 449 static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, 450 enum bpf_prog_type ptype) 451 { 452 return -EINVAL; 453 } 454 455 static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, 456 struct bpf_prog *prog) 457 { 458 return -EINVAL; 459 } 460 461 static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, 462 union bpf_attr __user *uattr) 463 { 464 return -EINVAL; 465 } 466 467 static inline const struct bpf_func_proto * 468 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 469 { 470 return NULL; 471 } 472 473 static inline const struct bpf_func_proto * 474 cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 475 { 476 return NULL; 477 } 478 479 static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, 480 struct bpf_map *map) { return 0; } 481 static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( 482 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } 483 static inline void bpf_cgroup_storage_free( 484 struct bpf_cgroup_storage *storage) {} 485 static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, 486 void *value) { 487 return 0; 488 } 489 static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, 490 void *key, void *value, u64 flags) { 491 return 0; 492 } 493 494 #define cgroup_bpf_enabled(atype) (0) 495 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) 496 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) 497 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) 498 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) 499 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) 500 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) 501 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) 502 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) 503 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) 504 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) 505 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 506 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 507 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 508 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 509 #define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 510 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 511 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 512 #define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 513 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 514 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 515 #define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 516 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) 517 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) 518 #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) 519 #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) 520 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ 521 optlen, max_optlen, retval) ({ retval; }) 522 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 523 optlen, retval) ({ retval; }) 524 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 525 kernel_optval) ({ 0; }) 526 527 #define for_each_cgroup_storage_type(stype) for (; false; ) 528 529 #endif /* CONFIG_CGROUP_BPF */ 530 531 #endif /* _BPF_CGROUP_H */ 532