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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _BPF_CGROUP_H3#define _BPF_CGROUP_H4 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_BPF34 35#define CGROUP_ATYPE(type) \36 case BPF_##type: return type37 38static inline enum cgroup_bpf_attach_type39to_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_ATYPE76 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 flags263 * via upper bits of return code. The only flag that is supported264 * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check265 * 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 a321 * fullsock and its parent fullsock cannot be traced by322 * 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" with328 * the listener-sk such that the cgroup-bpf-progs of the329 * 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_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \394 max_optlen, retval) \395({ \396 int __ret = retval; \397 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \398 cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \399 if (!(sock)->sk_prot->bpf_bypass_getsockopt || \400 !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \401 tcp_bpf_bypass_getsockopt, \402 level, optname)) \403 __ret = __cgroup_bpf_run_filter_getsockopt( \404 sock, level, optname, optval, optlen, \405 max_optlen, retval); \406 __ret; \407})408 409#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \410 optlen, retval) \411({ \412 int __ret = retval; \413 if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \414 __ret = __cgroup_bpf_run_filter_getsockopt_kern( \415 sock, level, optname, optval, optlen, retval); \416 __ret; \417})418 419int cgroup_bpf_prog_attach(const union bpf_attr *attr,420 enum bpf_prog_type ptype, struct bpf_prog *prog);421int cgroup_bpf_prog_detach(const union bpf_attr *attr,422 enum bpf_prog_type ptype);423int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);424int cgroup_bpf_prog_query(const union bpf_attr *attr,425 union bpf_attr __user *uattr);426 427const struct bpf_func_proto *428cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);429const struct bpf_func_proto *430cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);431#else432 433static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }434static inline void cgroup_bpf_offline(struct cgroup *cgrp) {}435 436static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,437 enum bpf_prog_type ptype,438 struct bpf_prog *prog)439{440 return -EINVAL;441}442 443static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,444 enum bpf_prog_type ptype)445{446 return -EINVAL;447}448 449static inline int cgroup_bpf_link_attach(const union bpf_attr *attr,450 struct bpf_prog *prog)451{452 return -EINVAL;453}454 455static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,456 union bpf_attr __user *uattr)457{458 return -EINVAL;459}460 461static inline const struct bpf_func_proto *462cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)463{464 return NULL;465}466 467static inline const struct bpf_func_proto *468cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)469{470 return NULL;471}472 473static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux,474 struct bpf_map *map) { return 0; }475static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(476 struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; }477static inline void bpf_cgroup_storage_free(478 struct bpf_cgroup_storage *storage) {}479static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,480 void *value) {481 return 0;482}483static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,484 void *key, void *value, u64 flags) {485 return 0;486}487 488#define cgroup_bpf_enabled(atype) (0)489#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; })490#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; })491#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)492#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })493#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })494#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; })495#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; })496#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; })497#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; })498#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; })499#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; })500#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })501#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; })502#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })503#define BPF_CGROUP_RUN_PROG_UNIX_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; })504#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })505#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })506#define BPF_CGROUP_RUN_PROG_UNIX_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; })507#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })508#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })509#define BPF_CGROUP_RUN_PROG_UNIX_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; })510#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })511#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; })512#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; })513#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \514 optlen, max_optlen, retval) ({ retval; })515#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \516 optlen, retval) ({ retval; })517#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \518 kernel_optval) ({ 0; })519 520#define for_each_cgroup_storage_type(stype) for (; false; )521 522#endif /* CONFIG_CGROUP_BPF */523 524#endif /* _BPF_CGROUP_H */525