110 lines
4 KiB
C
110 lines
4 KiB
C
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/*
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* Copyright (c) 2022 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SKYWALK_NEXUS_IOCTL_H_
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#define _SKYWALK_NEXUS_IOCTL_H_
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#if defined(PRIVATE) || defined(BSD_KERNEL_PRIVATE)
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/*
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* Routines common to kernel and userland. This file is intended to be
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* included by code implementing the nexus controller ioctl logic,
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* in particular, the Skywalk kernel and libsyscall code.
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*/
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#include <skywalk/os_nexus_private.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#ifndef KERNEL
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#if !defined(LIBSYSCALL_INTERFACE)
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#error "LIBSYSCALL_INTERFACE not defined"
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#endif /* !LIBSYSCALL_INTERFACE */
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#else
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extern int nxioctl(struct nxctl *, u_long, caddr_t, proc_t);
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extern int nxioctl_add_traffic_rule_inet(struct nxctl *, caddr_t, proc_t);
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extern int nxioctl_remove_traffic_rule(struct nxctl *, caddr_t, proc_t);
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extern int nxioctl_get_traffic_rules(struct nxctl *, caddr_t, proc_t);
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#endif /* !KERNEL */
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/*
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* Naming convention:
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* ioctl arguments (structures included in NXIOC_* definitions) have the
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* _iocargs suffix. The code in sys_generic.c:ioctl() handles the copyin/out
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* of these arguments.
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*/
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#define NXIOC_ADD_TRAFFIC_RULE_FLAG_PERSIST 0x0001
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struct nxctl_add_traffic_rule_inet_iocargs {
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char atri_ifname[IFNAMSIZ];
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struct ifnet_traffic_descriptor_inet atri_td;
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struct ifnet_traffic_rule_action_steer atri_ra;
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uint32_t atri_flags;
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uuid_t atri_uuid;
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};
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#define NXIOC_ADD_TRAFFIC_RULE_INET \
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_IOWR('n', 1, struct nxctl_add_traffic_rule_inet_iocargs)
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struct nxctl_remove_traffic_rule_iocargs {
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uuid_t rtr_uuid;
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};
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#define NXIOC_REMOVE_TRAFFIC_RULE \
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_IOW('n', 2, struct nxctl_remove_traffic_rule_iocargs)
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/*
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* nxctl_get_traffic_rules_iocargs.gtr_buf holds an array of
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* nxctl_traffic_rule_inet_iocinfo. This does not have the _iocargs suffix
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* because the structure is not part of a NXIOC* definition. It has an _iocinfo
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* suffix to denote that it is shared between kernel and userspace.
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*/
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#define NTR_PROCNAME_SZ 64
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struct nxctl_traffic_rule_generic_iocinfo {
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uuid_t trg_uuid;
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char trg_procname[NTR_PROCNAME_SZ];
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char trg_ifname[IFNAMSIZ];
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};
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struct nxctl_traffic_rule_inet_iocinfo {
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struct nxctl_traffic_rule_generic_iocinfo tri_common;
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struct ifnet_traffic_descriptor_inet tri_td;
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struct ifnet_traffic_rule_action_steer tri_ra;
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};
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struct nxctl_get_traffic_rules_iocargs {
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uint8_t gtr_type;
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uint32_t gtr_size;
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uint32_t gtr_count;
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union {
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void *gtr_buf;
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uint64_t gtr_buf64;
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};
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};
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#define NXIOC_GET_TRAFFIC_RULES \
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_IOWR('n', 3, struct nxctl_get_traffic_rules_iocargs)
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#define NXCTL_TRAFFIC_RULE_READ_ENTITLEMENT "com.apple.private.skywalk.traffic_rule.read"
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#define NXCTL_TRAFFIC_RULE_WRITE_ENTITLEMENT "com.apple.private.skywalk.traffic_rule.write"
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#endif /* PRIVATE || BSD_KERNEL_PRIVATE */
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#endif /* !_SKYWALK_NEXUS_IOCTL_H_ */
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