include/inet/spdsock.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #ifndef _INET_SPDSOCK_H
  26 #define _INET_SPDSOCK_H
  27
  28 #include <sys/netstack.h>
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /*
  35  * SPDSOCK stack instances
  36  */
  37 struct spd_stack {
  38         netstack_t              *spds_netstack; /* Common netstack */
  39
  40         caddr_t                 spds_g_nd;
  41         struct spdsockparam_s   *spds_params;
  42         kmutex_t                spds_param_lock;
  43                                 /* Protects the NDD variables. */
  44
  45         /*
  46          * To save algorithm update messages that are processed only after
  47          * IPsec is loaded.
  48          */
  49         struct spd_ext          *spds_extv_algs[SPD_EXT_MAX + 1];
  50         mblk_t                  *spds_mp_algs;
  51         struct ipsec_alginfo
  52                         *spds_algs[IPSEC_NALGTYPES][IPSEC_MAX_ALGS];
  53         int             spds_algs_exec_mode[IPSEC_NALGTYPES];
  54         kmutex_t                spds_alg_lock;
  55 };
  56 typedef struct spd_stack spd_stack_t;
  57
  58
  59 /*
  60  * spdsock (PF_POLICY) session state; one per open PF_POLICY socket.
  61  *
  62  * These are kept on a linked list by the spdsock module.
  63  */
  64
  65 typedef struct spdsock_s
  66 {
  67         uint_t  spdsock_state;  /* TLI gorp */
  68
  69         minor_t spdsock_minor;
  70
  71         /*
  72          * In-progress SPD_DUMP state, valid if spdsock_dump_req is non-NULL.
  73          *
  74          * spdsock_dump_req is the request which got us started.
  75          * spdsock_dump_head is a reference to a policy head.
  76          * spdsock_dump_cur_* tell us where we are in the policy walk,
  77          * validated by looking at spdsock_dump_gen vs
  78          * dump_head->iph_gen after taking a read lock on the policy
  79          * head.
  80          */
  81         mblk_t                  *spdsock_dump_req;
  82         ipsec_policy_head_t     *spdsock_dump_head;
  83         uint64_t                spdsock_dump_gen;
  84         timeout_id_t            spdsock_timeout;
  85         mblk_t                  *spdsock_timeout_arg;
  86         int                     spdsock_dump_cur_type;
  87         int                     spdsock_dump_cur_af;
  88         ipsec_policy_t          *spdsock_dump_cur_rule;
  89         uint32_t                spdsock_dump_cur_chain;
  90         uint32_t                spdsock_dump_count;
  91         spd_stack_t             *spdsock_spds;
  92         /* These are used for all-polhead dumps. */
  93         int                     spdsock_dump_tun_gen;
  94         boolean_t               spdsock_dump_active;
  95         boolean_t               spdsock_dump_tunnel;
  96         int                     spdsock_dump_remaining_polheads;
  97         ipsec_tun_pol_t         *spdsock_itp;
  98 } spdsock_t;
  99
 100 #define LOADCHECK_INTERVAL      (drv_usectohz(30000))
 101
 102 /*
 103  * Socket option boilerplate code.
 104  */
 105
 106 extern optdb_obj_t      spdsock_opt_obj;
 107 extern uint_t           spdsock_max_optsize;
 108
 109 extern int spdsock_opt_get(queue_t *, int, int, uchar_t *);
 110 extern int spdsock_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *,
 111     uint_t *, uchar_t *, void *, cred_t *);
 112
 113 #ifdef  __cplusplus
 114 }
 115 #endif
 116
 117 #endif /* _INET_SPDSOCK_H */