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 14struct sock; 15struct sockaddr; 16struct cgroup; 17struct sk_buff; 18struct bpf_map; 19struct bpf_prog; 20struct bpf_sock_ops_kern; 21struct bpf_cgroup_storage; 22struct ctl_table; 23struct ctl_table_header; 24struct task_struct; 25 26unsigned int __cgroup_bpf_run_lsm_sock(const void *ctx, 27 const struct bpf_insn *insn); 28unsigned int __cgroup_bpf_run_lsm_socket(const void *ctx, 29 const struct bpf_insn *insn); 30unsigned 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 38static inline enum cgroup_bpf_attach_type 39to_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 77extern 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 83struct bpf_cgroup_storage_map; 84 85struct bpf_storage_buffer { 86 struct rcu_head rcu; 87 char data[]; 88}; 89 90struct 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 103struct bpf_cgroup_link { 104 struct bpf_link link; 105 struct cgroup *cgroup; 106 enum bpf_attach_type type; 107}; 108 109struct 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 116int cgroup_bpf_inherit(struct cgroup *cgrp); 117void cgroup_bpf_offline(struct cgroup *cgrp); 118 119int __cgroup_bpf_run_filter_skb(struct sock *sk, 120 struct sk_buff *skb, 121 enum cgroup_bpf_attach_type atype); 122 123int __cgroup_bpf_run_filter_sk(struct sock *sk, 124 enum cgroup_bpf_attach_type atype); 125 126int __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 133int __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 137int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, 138 short access, enum cgroup_bpf_attach_type atype); 139 140int __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 145int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, 146 int *optname, sockptr_t optval, 147 int *optlen, char **kernel_optval); 148 149int __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 154int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, 155 int optname, void *optval, 156 int *optlen, int retval); 157 158static 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 167struct bpf_cgroup_storage * 168cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, 169 void *key, bool locked); 170struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, 171 enum bpf_cgroup_storage_type stype); 172void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); 173void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, 174 struct cgroup *cgroup, 175 enum bpf_attach_type type); 176void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); 177int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); 178 179int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); 180int 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*/ 184static 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) && sk && \ 200 sk_fullsock(sk)) \ 201 __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ 202 CGROUP_INET_INGRESS); \ 203 \ 204 __ret; \ 205}) 206 207#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ 208({ \ 209 int __ret = 0; \ 210 if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ 211 typeof(sk) __sk = sk_to_full_sk(sk); \ 212 if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \ 213 cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ 214 __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ 215 CGROUP_INET_EGRESS); \ 216 } \ 217 __ret; \ 218}) 219 220#define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ 221({ \ 222 int __ret = 0; \ 223 if (cgroup_bpf_enabled(atype)) { \ 224 __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ 225 } \ 226 __ret; \ 227}) 228 229#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ 230 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) 231 232#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ 233 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) 234 235#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ 236 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) 237 238#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ 239 BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) 240 241#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ 242({ \ 243 int __ret = 0; \ 244 if (cgroup_bpf_enabled(atype)) \ 245 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 246 atype, NULL, NULL); \ 247 __ret; \ 248}) 249 250#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ 251({ \ 252 int __ret = 0; \ 253 if (cgroup_bpf_enabled(atype)) { \ 254 lock_sock(sk); \ 255 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 256 atype, t_ctx, NULL); \ 257 release_sock(sk); \ 258 } \ 259 __ret; \ 260}) 261 262/* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags 263 * via upper bits of return code. The only flag that is supported 264 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check 265 * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). 266 */ 267#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \ 268({ \ 269 u32 __flags = 0; \ 270 int __ret = 0; \ 271 if (cgroup_bpf_enabled(atype)) { \ 272 lock_sock(sk); \ 273 __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ 274 atype, NULL, &__flags); \ 275 release_sock(sk); \ 276 if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ 277 *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ 278 } \ 279 __ret; \ 280}) 281 282#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ 283 ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ 284 cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ 285 (sk)->sk_prot->pre_connect) 286 287#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \ 288 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT) 289 290#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \ 291 BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT) 292 293#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 294 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL) 295 296#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 297 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL) 298 299#define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) \ 300 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_CONNECT, NULL) 301 302#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 303 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx) 304 305#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 306 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx) 307 308#define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ 309 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_SENDMSG, t_ctx) 310 311#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 312 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL) 313 314#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 315 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL) 316 317#define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ 318 BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UNIX_RECVMSG, NULL) 319 320/* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a 321 * fullsock and its parent fullsock cannot be traced by 322 * sk_to_full_sk(). 323 * 324 * e.g. sock_ops->sk is a request_sock and it is under syncookie mode. 325 * Its listener-sk is not attached to the rsk_listener. 326 * In this case, the caller holds the listener-sk (unlocked), 327 * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with 328 * the listener-sk such that the cgroup-bpf-progs of the 329 * listener-sk will be run. 330 * 331 * Regardless of syncookie mode or not, 332 * calling bpf_setsockopt on listener-sk will not make sense anyway, 333 * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here. 334 */ 335#define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ 336({ \ 337 int __ret = 0; \ 338 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ 339 __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ 340 sock_ops, \ 341 CGROUP_SOCK_OPS); \ 342 __ret; \ 343}) 344 345#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ 346({ \ 347 int __ret = 0; \ 348 if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ 349 typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ 350 if (__sk && sk_fullsock(__sk)) \ 351 __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ 352 sock_ops, \ 353 CGROUP_SOCK_OPS); \ 354 } \ 355 __ret; \ 356}) 357 358#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ 359({ \ 360 int __ret = 0; \ 361 if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ 362 __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ 363 access, \ 364 CGROUP_DEVICE); \ 365 \ 366 __ret; \ 367}) 368 369 370#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ 371({ \ 372 int __ret = 0; \ 373 if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ 374 __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ 375 buf, count, pos, \ 376 CGROUP_SYSCTL); \ 377 __ret; \ 378}) 379 380#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 381 kernel_optval) \ 382({ \ 383 int __ret = 0; \ 384 if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \ 385 cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \ 386 __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ 387 optname, optval, \ 388 optlen, \ 389 kernel_optval); \ 390 __ret; \ 391}) 392 393#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ 394({ \ 395 int __ret = 0; \ 396 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 397 copy_from_sockptr(&__ret, optlen, sizeof(int)); \ 398 __ret; \ 399}) 400 401#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ 402 max_optlen, retval) \ 403({ \ 404 int __ret = retval; \ 405 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ 406 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ 407 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ 408 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ 409 tcp_bpf_bypass_getsockopt, \ 410 level, optname)) \ 411 __ret = __cgroup_bpf_run_filter_getsockopt( \ 412 sock, level, optname, optval, optlen, \ 413 max_optlen, retval); \ 414 __ret; \ 415}) 416 417#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 418 optlen, retval) \ 419({ \ 420 int __ret = retval; \ 421 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ 422 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ 423 sock, level, optname, optval, optlen, retval); \ 424 __ret; \ 425}) 426 427int cgroup_bpf_prog_attach(const union bpf_attr *attr, 428 enum bpf_prog_type ptype, struct bpf_prog *prog); 429int cgroup_bpf_prog_detach(const union bpf_attr *attr, 430 enum bpf_prog_type ptype); 431int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); 432int cgroup_bpf_prog_query(const union bpf_attr *attr, 433 union bpf_attr __user *uattr); 434 435const struct bpf_func_proto * 436cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 437const struct bpf_func_proto * 438cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); 439#else 440 441static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } 442static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} 443 444static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, 445 enum bpf_prog_type ptype, 446 struct bpf_prog *prog) 447{ 448 return -EINVAL; 449} 450 451static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, 452 enum bpf_prog_type ptype) 453{ 454 return -EINVAL; 455} 456 457static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, 458 struct bpf_prog *prog) 459{ 460 return -EINVAL; 461} 462 463static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, 464 union bpf_attr __user *uattr) 465{ 466 return -EINVAL; 467} 468 469static inline const struct bpf_func_proto * 470cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 471{ 472 return NULL; 473} 474 475static inline const struct bpf_func_proto * 476cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) 477{ 478 return NULL; 479} 480 481static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, 482 struct bpf_map *map) { return 0; } 483static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( 484 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } 485static inline void bpf_cgroup_storage_free( 486 struct bpf_cgroup_storage *storage) {} 487static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, 488 void *value) { 489 return 0; 490} 491static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, 492 void *key, void *value, u64 flags) { 493 return 0; 494} 495 496#define cgroup_bpf_enabled(atype) (0) 497#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) 498#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) 499#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) 500#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) 501#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) 502#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) 503#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) 504#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) 505#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) 506#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) 507#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 508#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 509#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) 510#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 511#define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 512#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 513#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 514#define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) 515#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 516#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 517#define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) 518#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) 519#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) 520#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) 521#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) 522#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ 523 optlen, max_optlen, retval) ({ retval; }) 524#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ 525 optlen, retval) ({ retval; }) 526#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ 527 kernel_optval) ({ 0; }) 528 529#define for_each_cgroup_storage_type(stype) for (; false; ) 530 531#endif /* CONFIG_CGROUP_BPF */ 532 533#endif /* _BPF_CGROUP_H */ 534