usr/src/uts/common/inet/rawip_impl.h

root/usr/src/uts/common/inet/rawip_impl.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
 */
/* Copyright (c) 1990 Mentat Inc. */

#ifndef _RAWIP_IMPL_H
#define _RAWIP_IMPL_H

#ifdef  __cplusplus
extern "C" {
#endif

#ifdef _KERNEL

#include <sys/types.h>
#include <sys/netstack.h>

#include <netinet/in.h>
#include <netinet/icmp6.h>
#include <netinet/ip6.h>

#include <inet/common.h>
#include <inet/ip.h>
#include <inet/optcom.h>
#include <inet/tunables.h>

/*
 * ICMP stack instances
 */
struct icmp_stack {
        netstack_t      *is_netstack;   /* Common netstack */
        void            *is_head;       /* Head for list of open icmps */
        mod_prop_info_t *is_propinfo_tbl; /* holds the icmp tunables */
        kstat_t         *is_ksp;        /* kstats */
        mib2_rawip_t    is_rawip_mib;   /* SNMP fixed size info */
        ldi_ident_t     is_ldi_ident;
};

typedef struct icmp_stack icmp_stack_t;

/* Internal icmp control structure, one per open stream */
typedef struct icmp_s {
        /*
         * The addresses and ports in the conn_t and icmp_state are protected by
         * conn_lock. conn_lock also protects the content of icmp_t.
         */
        uint_t          icmp_state;     /* TPI state */

        /* Written to only once at the time of opening the endpoint */
        conn_t          *icmp_connp;

        uint_t
            icmp_hdrincl : 1,           /* IP_HDRINCL option + RAW and IGMP */

            icmp_pad_to_bit_31: 31;

        icmp6_filter_t  *icmp_filter;           /* ICMP6_FILTER option */

        /* Set at open time and never changed */
        icmp_stack_t    *icmp_is;               /* Stack instance */

        int             icmp_delayed_error;
        kmutex_t        icmp_recv_lock;
        mblk_t          *icmp_fallback_queue_head;
        mblk_t          *icmp_fallback_queue_tail;
        struct sockaddr_storage icmp_delayed_addr;
} icmp_t;

/*
 * Object to represent database of options to search passed to
 * {sock,tpi}optcom_req() interface routine to take care of option
 * management and associated methods.
 */
extern optdb_obj_t      icmp_opt_obj;
extern uint_t           icmp_max_optsize;

extern int      icmp_opt_default(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
extern int      icmp_tpi_opt_get(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
extern int      icmp_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *,
                    uint_t *, uchar_t *, void *, cred_t *);
extern mblk_t   *icmp_snmp_get(queue_t *q, mblk_t *mpctl);

extern void     icmp_ddi_g_init(void);
extern void     icmp_ddi_g_destroy(void);

extern sock_lower_handle_t rawip_create(int, int, int, sock_downcalls_t **,
    uint_t *, int *, int, cred_t *);
extern int rawip_fallback(sock_lower_handle_t, queue_t *, boolean_t,
    so_proto_quiesced_cb_t, sock_quiesce_arg_t *);

extern sock_downcalls_t sock_rawip_downcalls;

#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _RAWIP_IMPL_H */
Illumos
