diff options
Diffstat (limited to 'include/linux/bpf-cgroup.h')
| -rw-r--r-- | include/linux/bpf-cgroup.h | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h new file mode 100644 index 000000000..31561e789 --- /dev/null +++ b/include/linux/bpf-cgroup.h @@ -0,0 +1,514 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BPF_CGROUP_H +#define _BPF_CGROUP_H + +#include <linux/bpf.h> +#include <linux/bpf-cgroup-defs.h> +#include <linux/errno.h> +#include <linux/jump_label.h> +#include <linux/percpu.h> +#include <linux/rbtree.h> +#include <net/sock.h> +#include <uapi/linux/bpf.h> + +struct sock; +struct sockaddr; +struct cgroup; +struct sk_buff; +struct bpf_map; +struct bpf_prog; +struct bpf_sock_ops_kern; +struct bpf_cgroup_storage; +struct ctl_table; +struct ctl_table_header; +struct task_struct; + +unsigned int __cgroup_bpf_run_lsm_sock(const void *ctx, + const struct bpf_insn *insn); +unsigned int __cgroup_bpf_run_lsm_socket(const void *ctx, + const struct bpf_insn *insn); +unsigned int __cgroup_bpf_run_lsm_current(const void *ctx, + const struct bpf_insn *insn); + +#ifdef CONFIG_CGROUP_BPF + +#define CGROUP_ATYPE(type) \ + case BPF_##type: return type + +static inline enum cgroup_bpf_attach_type +to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type) +{ + switch (attach_type) { + CGROUP_ATYPE(CGROUP_INET_INGRESS); + CGROUP_ATYPE(CGROUP_INET_EGRESS); + CGROUP_ATYPE(CGROUP_INET_SOCK_CREATE); + CGROUP_ATYPE(CGROUP_SOCK_OPS); + CGROUP_ATYPE(CGROUP_DEVICE); + CGROUP_ATYPE(CGROUP_INET4_BIND); + CGROUP_ATYPE(CGROUP_INET6_BIND); + CGROUP_ATYPE(CGROUP_INET4_CONNECT); + CGROUP_ATYPE(CGROUP_INET6_CONNECT); + CGROUP_ATYPE(CGROUP_INET4_POST_BIND); + CGROUP_ATYPE(CGROUP_INET6_POST_BIND); + CGROUP_ATYPE(CGROUP_UDP4_SENDMSG); + CGROUP_ATYPE(CGROUP_UDP6_SENDMSG); + CGROUP_ATYPE(CGROUP_SYSCTL); + CGROUP_ATYPE(CGROUP_UDP4_RECVMSG); + CGROUP_ATYPE(CGROUP_UDP6_RECVMSG); + CGROUP_ATYPE(CGROUP_GETSOCKOPT); + CGROUP_ATYPE(CGROUP_SETSOCKOPT); + CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME); + CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME); + CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME); + CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME); + CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE); + default: + return CGROUP_BPF_ATTACH_TYPE_INVALID; + } +} + +#undef CGROUP_ATYPE + +extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE]; +#define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype]) + +#define for_each_cgroup_storage_type(stype) \ + for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++) + +struct bpf_cgroup_storage_map; + +struct bpf_storage_buffer { + struct rcu_head rcu; + char data[]; +}; + +struct bpf_cgroup_storage { + union { + struct bpf_storage_buffer *buf; + void __percpu *percpu_buf; + }; + struct bpf_cgroup_storage_map *map; + struct bpf_cgroup_storage_key key; + struct list_head list_map; + struct list_head list_cg; + struct rb_node node; + struct rcu_head rcu; +}; + +struct bpf_cgroup_link { + struct bpf_link link; + struct cgroup *cgroup; + enum bpf_attach_type type; +}; + +struct bpf_prog_list { + struct hlist_node node; + struct bpf_prog *prog; + struct bpf_cgroup_link *link; + struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]; +}; + +int cgroup_bpf_inherit(struct cgroup *cgrp); +void cgroup_bpf_offline(struct cgroup *cgrp); + +int __cgroup_bpf_run_filter_skb(struct sock *sk, + struct sk_buff *skb, + enum cgroup_bpf_attach_type atype); + +int __cgroup_bpf_run_filter_sk(struct sock *sk, + enum cgroup_bpf_attach_type atype); + +int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, + struct sockaddr *uaddr, + int *uaddrlen, + enum cgroup_bpf_attach_type atype, + void *t_ctx, + u32 *flags); + +int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, + struct bpf_sock_ops_kern *sock_ops, + enum cgroup_bpf_attach_type atype); + +int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, + short access, enum cgroup_bpf_attach_type atype); + +int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, + struct ctl_table *table, int write, + char **buf, size_t *pcount, loff_t *ppos, + enum cgroup_bpf_attach_type atype); + +int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, + int *optname, char __user *optval, + int *optlen, char **kernel_optval); +int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, + int optname, char __user *optval, + int __user *optlen, int max_optlen, + int retval); + +int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, + int optname, void *optval, + int *optlen, int retval); + +static inline enum bpf_cgroup_storage_type cgroup_storage_type( + struct bpf_map *map) +{ + if (map->map_type == BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE) + return BPF_CGROUP_STORAGE_PERCPU; + + return BPF_CGROUP_STORAGE_SHARED; +} + +struct bpf_cgroup_storage * +cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, + void *key, bool locked); +struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(struct bpf_prog *prog, + enum bpf_cgroup_storage_type stype); +void bpf_cgroup_storage_free(struct bpf_cgroup_storage *storage); +void bpf_cgroup_storage_link(struct bpf_cgroup_storage *storage, + struct cgroup *cgroup, + enum bpf_attach_type type); +void bpf_cgroup_storage_unlink(struct bpf_cgroup_storage *storage); +int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map); + +int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value); +int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, + void *value, u64 flags); + +/* Opportunistic check to see whether we have any BPF program attached*/ +static inline bool cgroup_bpf_sock_enabled(struct sock *sk, + enum cgroup_bpf_attach_type type) +{ + struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data); + struct bpf_prog_array *array; + + array = rcu_access_pointer(cgrp->bpf.effective[type]); + return array != &bpf_empty_prog_array.hdr; +} + +/* Wrappers for __cgroup_bpf_run_filter_skb() guarded by cgroup_bpf_enabled. */ +#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && \ + cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \ + __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ + CGROUP_INET_INGRESS); \ + \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk) { \ + typeof(sk) __sk = sk_to_full_sk(sk); \ + if (sk_fullsock(__sk) && __sk == skb_to_full_sk(skb) && \ + cgroup_bpf_sock_enabled(__sk, CGROUP_INET_EGRESS)) \ + __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ + CGROUP_INET_EGRESS); \ + } \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(atype)) { \ + __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ + } \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) + +#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) + +#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) + +#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) + +#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(atype)) \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ + atype, NULL, NULL); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(atype)) { \ + lock_sock(sk); \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ + atype, t_ctx, NULL); \ + release_sock(sk); \ + } \ + __ret; \ +}) + +/* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags + * via upper bits of return code. The only flag that is supported + * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check + * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). + */ +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, bind_flags) \ +({ \ + u32 __flags = 0; \ + int __ret = 0; \ + if (cgroup_bpf_enabled(atype)) { \ + lock_sock(sk); \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \ + atype, NULL, &__flags); \ + release_sock(sk); \ + if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ + *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ + } \ + __ret; \ +}) + +#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ + ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ + cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ + (sk)->sk_prot->pre_connect) + +#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT) + +#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT) + +#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET4_CONNECT, NULL) + +#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_INET6_CONNECT, NULL) + +#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_SENDMSG, t_ctx) + +#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_SENDMSG, t_ctx) + +#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP4_RECVMSG, NULL) + +#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) \ + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, CGROUP_UDP6_RECVMSG, NULL) + +/* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a + * fullsock and its parent fullsock cannot be traced by + * sk_to_full_sk(). + * + * e.g. sock_ops->sk is a request_sock and it is under syncookie mode. + * Its listener-sk is not attached to the rsk_listener. + * In this case, the caller holds the listener-sk (unlocked), + * set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with + * the listener-sk such that the cgroup-bpf-progs of the + * listener-sk will be run. + * + * Regardless of syncookie mode or not, + * calling bpf_setsockopt on listener-sk will not make sense anyway, + * so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here. + */ +#define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ + __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ + sock_ops, \ + CGROUP_SOCK_OPS); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ + typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ + if (__sk && sk_fullsock(__sk)) \ + __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ + sock_ops, \ + CGROUP_SOCK_OPS); \ + } \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ + __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ + access, \ + CGROUP_DEVICE); \ + \ + __ret; \ +}) + + +#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ + __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ + buf, count, pos, \ + CGROUP_SYSCTL); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ + kernel_optval) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT) && \ + cgroup_bpf_sock_enabled(sock, CGROUP_SETSOCKOPT)) \ + __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ + optname, optval, \ + optlen, \ + kernel_optval); \ + __ret; \ +}) + +#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ +({ \ + int __ret = 0; \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ + get_user(__ret, optlen); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, optlen, \ + max_optlen, retval) \ +({ \ + int __ret = retval; \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT) && \ + cgroup_bpf_sock_enabled(sock, CGROUP_GETSOCKOPT)) \ + if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ + !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ + tcp_bpf_bypass_getsockopt, \ + level, optname)) \ + __ret = __cgroup_bpf_run_filter_getsockopt( \ + sock, level, optname, optval, optlen, \ + max_optlen, retval); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ + optlen, retval) \ +({ \ + int __ret = retval; \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ + __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ + sock, level, optname, optval, optlen, retval); \ + __ret; \ +}) + +int cgroup_bpf_prog_attach(const union bpf_attr *attr, + enum bpf_prog_type ptype, struct bpf_prog *prog); +int cgroup_bpf_prog_detach(const union bpf_attr *attr, + enum bpf_prog_type ptype); +int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); +int cgroup_bpf_prog_query(const union bpf_attr *attr, + union bpf_attr __user *uattr); + +const struct bpf_func_proto * +cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); +const struct bpf_func_proto * +cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); +#else + +static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; } +static inline void cgroup_bpf_offline(struct cgroup *cgrp) {} + +static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr, + enum bpf_prog_type ptype, + struct bpf_prog *prog) +{ + return -EINVAL; +} + +static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr, + enum bpf_prog_type ptype) +{ + return -EINVAL; +} + +static inline int cgroup_bpf_link_attach(const union bpf_attr *attr, + struct bpf_prog *prog) +{ + return -EINVAL; +} + +static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, + union bpf_attr __user *uattr) +{ + return -EINVAL; +} + +static inline const struct bpf_func_proto * +cgroup_common_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) +{ + return NULL; +} + +static inline const struct bpf_func_proto * +cgroup_current_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) +{ + return NULL; +} + +static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, + struct bpf_map *map) { return 0; } +static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( + struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; } +static inline void bpf_cgroup_storage_free( + struct bpf_cgroup_storage *storage) {} +static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, + void *value) { + return 0; +} +static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, + void *key, void *value, u64 flags) { + return 0; +} + +#define cgroup_bpf_enabled(atype) (0) +#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, uaddrlen, atype, t_ctx) ({ 0; }) +#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, uaddrlen, atype) ({ 0; }) +#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) +#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, uaddrlen, atype, flags) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, uaddrlen, t_ctx) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr, uaddrlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) +#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ + optlen, max_optlen, retval) ({ retval; }) +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ + optlen, retval) ({ retval; }) +#define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ + kernel_optval) ({ 0; }) + +#define for_each_cgroup_storage_type(stype) for (; false; ) + +#endif /* CONFIG_CGROUP_BPF */ + +#endif /* _BPF_CGROUP_H */ |