rts_impl.h revision 0f1702c5201310f0529cd5abb77652e5e9b241b6
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990 Mentat Inc. */
#ifndef _RTS_IMPL_H
#define _RTS_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>
/* Named Dispatch Parameter Management Structure */
typedef struct rtsparam_s {
uint_t rts_param_min;
uint_t rts_param_max;
uint_t rts_param_value;
char *rts_param_name;
} rtsparam_t;
/*
* RTS stack instances
*/
struct rts_stack {
netstack_t *rtss_netstack; /* Common netstack */
caddr_t rtss_g_nd;
rtsparam_t *rtss_params;
ldi_ident_t rtss_ldi_ident;
};
typedef struct rts_stack rts_stack_t;
/* Internal routing socket stream control structure, one per open stream */
typedef struct rts_s {
krwlock_t rts_rwlock; /* Protects most of rts_t */
uint_t rts_state; /* Provider interface state */
uint_t rts_error; /* Routing socket error code */
uint_t rts_flag; /* Pending I/O state */
uint_t rts_proto; /* SO_PROTOTYPE "socket" option. */
uint_t rts_debug : 1, /* SO_DEBUG "socket" option. */
rts_dontroute : 1, /* SO_DONTROUTE "socket" option. */
rts_broadcast : 1, /* SO_BROADCAST "socket" option. */
rts_reuseaddr : 1, /* SO_REUSEADDR "socket" option. */
rts_useloopback : 1, /* SO_USELOOPBACK "socket" option. */
rts_multicast_loop : 1, /* IP_MULTICAST_LOOP option */
rts_hdrincl : 1, /* IP_HDRINCL option + RAW and IGMP */
: 0;
rts_stack_t *rts_rtss;
/* Written to only once at the time of opening the endpoint */
conn_t *rts_connp;
/* Outbound flow control */
size_t rts_xmit_hiwat;
size_t rts_xmit_lowat;
/* Inbound flow control */
size_t rts_recv_hiwat;
size_t rts_recv_lowat;
kmutex_t rts_send_mutex;
kmutex_t rts_recv_mutex;
kcondvar_t rts_send_cv;
kcondvar_t rts_io_cv;
} rts_t;
#define RTS_WPUT_PENDING 0x1 /* Waiting for write-side to complete */
#define RTS_REQ_PENDING 0x1 /* For direct sockets */
#define RTS_WRW_PENDING 0x2 /* Routing socket write in progress */
#define RTS_REQ_INPROG 0x2 /* For direct sockets */
/*
* 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.
* XXX. These and other externs should really move to a rts header.
*/
extern optdb_obj_t rts_opt_obj;
extern uint_t rts_max_optsize;
extern void rts_ddi_g_init(void);
extern void rts_ddi_g_destroy(void);
extern int rts_tpi_opt_get(queue_t *, t_scalar_t, t_scalar_t, uchar_t *);
extern int rts_tpi_opt_set(queue_t *, uint_t, int, int, uint_t, uchar_t *,
uint_t *, uchar_t *, void *, cred_t *, mblk_t *);
extern int rts_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name,
uchar_t *ptr);
extern sock_lower_handle_t rts_create(int, int, int, sock_downcalls_t **,
uint_t *, int *, int, cred_t *);
extern sock_downcalls_t sock_rts_downcalls;
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _RTS_IMPL_H */