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 struct bpf_cgroup_storage_map; 81 82 struct bpf_storage_buffer { 83 struct rcu_head rcu; 84 char data[]; 85 }; 86 87 struct bpf_cgroup_storage { 88 union { 89 struct bpf_storage_buffer *buf; 90 void __percpu *percpu_buf; 91 }; 92 struct bpf_cgroup_storage_map *map; 93 struct bpf_cgroup_storage_key key; 94 struct list_head list_map; 95 struct list_head list_cg; 96 struct rb_node node; 97 struct rcu_head rcu; 98 }; 99 100 struct bpf_cgroup_link { 101 struct bpf_link link; 102 struct cgroup *cgroup; 103 }; 104 105 struct bpf_prog_list { 106 struct hlist_node node; 107 struct bpf_prog *prog; 108 struct bpf_cgroup_link *link; 109 struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]; 110 u32 flags; 111 }; 112 113 void __init cgroup_bpf_lifetime_notifier_init(void); 114 115 int __cgroup_bpf_run_filter_skb(struct sock *sk, 116 struct sk_buff *skb, 117 enum cgroup_bpf_attach_type atype); 118 119 int __cgroup_bpf_run_filter_sk(struct sock *sk, 120 enum cgroup_bpf_attach_type atype); 121 122 int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, 123 struct sockaddr_unsized *uaddr, 124 int *uaddrlen, 125 enum cgroup_bpf_attach_type atype, 126 void *t_ctx, 127 u32 *flags); 128 129 int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, 130 struct bpf_sock_ops_kern *sock_ops, 131 enum cgroup_bpf_attach_type atype); 132 133 int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, 134 short access, enum cgroup_bpf_attach_type atype); 135 136 int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, 137 const struct ctl_table *table, int write, 138 char **buf, size_t *pcount, loff_t *ppos, 139 enum cgroup_bpf_attach_type atype); 140 141 int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, 142 int *optname, sockptr_t optval, 143 int *optlen, char **kernel_optval); 144 145 int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, 146 int optname, sockptr_t optval, 147 sockptr_t optlen, int max_optlen, 148 int retval); 149 150 int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, 151 int optname, void *optval, 152 int *optlen, int retval); 153 154 static inline enum bpf_cgroup_storage_type cgroup_storage_type( 155 struct bpf_map *map) 156 { 157 if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE) 158 return BPF_CGROUP_STORAGE_PERCPU; 159 160 return BPF_CGROUP_STORAGE_SHARED; 161 } 162 163 struct bpf_cgroup_storage * 164 cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, 165 void *key, bool locked); 166 struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, 167 enum bpf_cgroup_storage_type stype); 168 void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); 169 void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, 170 struct cgroup *cgroup, 171 enum bpf_attach_type type); 172 void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); 173 int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); 174 175 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); 176 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, 177 void *value, u64 flags); 178 179 /* Opportunistic check to see whether we have any BPF program attached*/ 180 static inline bool cgroup_bpf_sock_enabled(struct sock *sk, 181 enum cgroup_bpf_attach_type type) 182 { 183 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data); 184 struct bpf_prog_array *array; 185 186 array = rcu_access_pointer(cgrp->bpf.effective[type]); 187 return array != &bpf_empty_prog_array.hdr; 188 } 189 190 /* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */ 191 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ 192 ({ \ 193 int __ret = 0; \ 194 if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \ 195 cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS) && sk && \ 196 sk_fullsock(sk)) \ 197 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ 198 CGROUP_INET_INGRESS); \ 199 \ 200 __ret; \ 201 }) 202 203 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ 204 ({ \ 205 int __ret = 0; \ 206 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ 207 typeof(sk) __sk = sk_to_full_sk(sk); \ 208 if (__sk && __sk == skb_to_full_sk(skb) && \ 209 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ 210 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ 211 CGROUP_INET_EGRESS); \ 212 } \ 213 __ret; \ 214 }) 215 216 #define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ 217 ({ \ 218 int __ret = 0; \ 219 if (cgroup_bpf_enabled(atype)) { \ 220 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ 221 } \ 222 __ret; \ 223 }) 224 225 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ 226 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) 227 228 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ 229 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) 230 231 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ 232 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) 233 234 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ 235 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) 236 237 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ 238 ({ \ 239 int __ret = 0; \ 240 if (cgroup_bpf_enabled(atype)) \ 241 __ret = __cgroup_bpf_run_filter_sock_addr(sk, \ 242 (struct sockaddr_unsized *)uaddr, uaddrlen, \ 243 atype, NULL, NULL); \ 244 __ret; \ 245 }) 246 247 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ 248 ({ \ 249 int __ret = 0; \ 250 if (cgroup_bpf_enabled(atype)) { \ 251 lock_sock(sk); \ 252 __ret = __cgroup_bpf_run_filter_sock_addr(sk, \ 253 (struct sockaddr_unsized *)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, \ 272 (struct sockaddr_unsized *)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_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ 393 max_optlen, retval) \ 394 ({ \ 395 int __ret = retval; \ 396 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ 397 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ 398 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ 399 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ 400 tcp_bpf_bypass_getsockopt, \ 401 level, optname)) \ 402 __ret = __cgroup_bpf_run_filter_getsockopt( \ 403 sock, level, optname, optval, optlen, \ 404 max_optlen, retval); \ 405 __ret; \ 406 }) 407 408 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 409 optlen, retval) \ 410 ({ \ 411 int __ret = retval; \ 412 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 413 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ 414 sock, level, optname, optval, optlen, retval); \ 415 __ret; \ 416 }) 417 418 int cgroup_bpf_prog_attach(const union bpf_attr *attr, 419 enum bpf_prog_type ptype, struct bpf_prog *prog); 420 int cgroup_bpf_prog_detach(const union bpf_attr *attr, 421 enum bpf_prog_type ptype); 422 int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); 423 int cgroup_bpf_prog_query(const union bpf_attr *attr, 424 union bpf_attr __user *uattr); 425 426 const struct bpf_func_proto * 427 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 428 #else 429 430 static inline void cgroup_bpf_lifetime_notifier_init(void) 431 { 432 return; 433 } 434 435 static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, 436 enum bpf_prog_type ptype, 437 struct bpf_prog *prog) 438 { 439 return -EINVAL; 440 } 441 442 static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, 443 enum bpf_prog_type ptype) 444 { 445 return -EINVAL; 446 } 447 448 static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, 449 struct bpf_prog *prog) 450 { 451 return -EINVAL; 452 } 453 454 static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, 455 union bpf_attr __user *uattr) 456 { 457 return -EINVAL; 458 } 459 460 static inline const struct bpf_func_proto * 461 cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 462 { 463 return NULL; 464 } 465 466 static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, 467 struct bpf_map *map) { return 0; } 468 static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( 469 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } 470 static inline void bpf_cgroup_storage_free( 471 struct bpf_cgroup_storage *storage) {} 472 static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, 473 void *value) { 474 return 0; 475 } 476 static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, 477 void *key, void *value, u64 flags) { 478 return 0; 479 } 480 481 #define cgroup_bpf_enabled(atype) (0) 482 #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) 483 #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) 484 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) 485 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) 486 #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) 487 #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) 488 #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) 489 #define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) 490 #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) 491 #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) 492 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 493 #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 494 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 495 #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 496 #define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 497 #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 498 #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 499 #define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 500 #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 501 #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 502 #define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 503 #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) 504 #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) 505 #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) 506 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ 507 optlen, max_optlen, retval) ({ retval; }) 508 #define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 509 optlen, retval) ({ retval; }) 510 #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 511 kernel_optval) ({ 0; }) 512 513 #endif /* CONFIG_CGROUP_BPF */ 514 515 #endif /* _BPF_CGROUP_H */ 516