71 строка
1.7 KiB
C
71 строка
1.7 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
#ifndef _BPF_CGROUP_DEFS_H
|
||
|
#define _BPF_CGROUP_DEFS_H
|
||
|
|
||
|
#ifdef CONFIG_CGROUP_BPF
|
||
|
|
||
|
#include <linux/list.h>
|
||
|
#include <linux/percpu-refcount.h>
|
||
|
#include <linux/workqueue.h>
|
||
|
|
||
|
struct bpf_prog_array;
|
||
|
|
||
|
enum cgroup_bpf_attach_type {
|
||
|
CGROUP_BPF_ATTACH_TYPE_INVALID = -1,
|
||
|
CGROUP_INET_INGRESS = 0,
|
||
|
CGROUP_INET_EGRESS,
|
||
|
CGROUP_INET_SOCK_CREATE,
|
||
|
CGROUP_SOCK_OPS,
|
||
|
CGROUP_DEVICE,
|
||
|
CGROUP_INET4_BIND,
|
||
|
CGROUP_INET6_BIND,
|
||
|
CGROUP_INET4_CONNECT,
|
||
|
CGROUP_INET6_CONNECT,
|
||
|
CGROUP_INET4_POST_BIND,
|
||
|
CGROUP_INET6_POST_BIND,
|
||
|
CGROUP_UDP4_SENDMSG,
|
||
|
CGROUP_UDP6_SENDMSG,
|
||
|
CGROUP_SYSCTL,
|
||
|
CGROUP_UDP4_RECVMSG,
|
||
|
CGROUP_UDP6_RECVMSG,
|
||
|
CGROUP_GETSOCKOPT,
|
||
|
CGROUP_SETSOCKOPT,
|
||
|
CGROUP_INET4_GETPEERNAME,
|
||
|
CGROUP_INET6_GETPEERNAME,
|
||
|
CGROUP_INET4_GETSOCKNAME,
|
||
|
CGROUP_INET6_GETSOCKNAME,
|
||
|
CGROUP_INET_SOCK_RELEASE,
|
||
|
MAX_CGROUP_BPF_ATTACH_TYPE
|
||
|
};
|
||
|
|
||
|
struct cgroup_bpf {
|
||
|
/* array of effective progs in this cgroup */
|
||
|
struct bpf_prog_array __rcu *effective[MAX_CGROUP_BPF_ATTACH_TYPE];
|
||
|
|
||
|
/* attached progs to this cgroup and attach flags
|
||
|
* when flags == 0 or BPF_F_ALLOW_OVERRIDE the progs list will
|
||
|
* have either zero or one element
|
||
|
* when BPF_F_ALLOW_MULTI the list can have up to BPF_CGROUP_MAX_PROGS
|
||
|
*/
|
||
|
struct list_head progs[MAX_CGROUP_BPF_ATTACH_TYPE];
|
||
|
u32 flags[MAX_CGROUP_BPF_ATTACH_TYPE];
|
||
|
|
||
|
/* list of cgroup shared storages */
|
||
|
struct list_head storages;
|
||
|
|
||
|
/* temp storage for effective prog array used by prog_attach/detach */
|
||
|
struct bpf_prog_array *inactive;
|
||
|
|
||
|
/* reference counter used to detach bpf programs after cgroup removal */
|
||
|
struct percpu_ref refcnt;
|
||
|
|
||
|
/* cgroup_bpf is released using a work queue */
|
||
|
struct work_struct release_work;
|
||
|
};
|
||
|
|
||
|
#else /* CONFIG_CGROUP_BPF */
|
||
|
struct cgroup_bpf {};
|
||
|
#endif /* CONFIG_CGROUP_BPF */
|
||
|
|
||
|
#endif
|