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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _INET_IP_FTABLE_H 28 #define _INET_IP_FTABLE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #ifdef _KERNEL 37 38 #include <net/radix.h> 39 #include <inet/common.h> 40 #include <inet/ip.h> 41 42 struct rt_entry { 43 struct radix_node rt_nodes[2]; /* tree glue, and other values */ 44 /* 45 * struct rt_entry must begin with a struct radix_node (or two!) 46 * to a 'struct rt_entry *' 47 */ 48 struct rt_sockaddr rt_dst; 49 /* 50 * multiple routes to same dest/mask via varying gate/ifp are stored 51 * in the rt_irb bucket. 52 */ 53 irb_t rt_irb; 54 }; 55 56 /* 57 * vehicle for passing args through rn_walktree 58 * 59 * The comment below (and for other netstack_t references) refers 60 * to the fact that we only do netstack_hold in particular cases, 61 * such as the references from open streams (ill_t and conn_t's 62 * pointers). Internally within IP we rely on IP's ability to cleanup e.g. 63 * ire_t's when an ill goes away. 64 */ 65 struct rtfuncarg { 66 pfv_t rt_func; 67 char *rt_arg; 68 uint_t rt_match_flags; 69 uint_t rt_ire_type; 70 ill_t *rt_ill; 71 zoneid_t rt_zoneid; 72 ip_stack_t *rt_ipst; /* Does not have a netstack_hold */ 73 }; 74 int rtfunc(struct radix_node *, void *); 75 76 typedef struct rt_entry rt_t; 77 typedef struct rtfuncarg rtf_t; 78 79 /* For ire_forward() */ 80 enum ire_forward_action { 81 Forward_ok, /* OK to use this IRE to forward */ 82 Forward_check_multirt, /* CGTP multirt check required */ 83 Forward_ret_icmp_err, /* Callers to return an ICMP error */ 84 Forward_blackhole /* Packet is silently discarded */ 85 }; 86 87 struct ts_label_s; 88 extern ire_t *ire_ftable_lookup(ipaddr_t, ipaddr_t, ipaddr_t, int, 89 const ipif_t *, ire_t **, zoneid_t, uint32_t, 90 const struct ts_label_s *, int, ip_stack_t *); 91 extern ire_t *ire_lookup_multi(ipaddr_t, zoneid_t, ip_stack_t *); 92 extern ire_t *ipif_lookup_multi_ire(ipif_t *, ipaddr_t); 93 extern void ire_delete_host_redirects(ipaddr_t, ip_stack_t *); 94 extern ire_t *ire_ihandle_lookup_onlink(ire_t *); 95 extern ire_t *ire_forward(ipaddr_t, enum ire_forward_action *, ire_t *, 96 ire_t *, const struct ts_label_s *, ip_stack_t *); 97 extern irb_t *ire_get_bucket(ire_t *); 98 extern uint_t ifindex_lookup(const struct sockaddr *, zoneid_t); 99 extern int ipfil_sendpkt(const struct sockaddr *, mblk_t *, uint_t, zoneid_t); 100 101 extern void irb_refhold_rn(struct radix_node *); 102 extern void irb_refrele_rn(struct radix_node *); 103 104 #endif /* _KERNEL */ 105 106 #ifdef __cplusplus 107 } 108 #endif 109 110 #endif /* _INET_IP_FTABLE_H */ 111