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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _TRILL_IMPL_H 28 #define _TRILL_IMPL_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <sys/list.h> 35 #include <net/trill.h> 36 #include <sys/mac.h> 37 #include <sys/kstat.h> 38 #include <sys/rwlock.h> 39 #include <net/bridge_impl.h> 40 #include <net/if_dl.h> 41 42 #define TRILL_KSSOCK_NAMES "recv", "sent", "drops", "encap", "decap", "forward" 43 44 /* kstats per TRILL socket */ 45 typedef struct trill_kssock_s { 46 kstat_named_t tks_recv; /* packets received */ 47 kstat_named_t tks_sent; /* packets sent through */ 48 kstat_named_t tks_drops; /* packets dropped */ 49 kstat_named_t tks_encap; /* packets encapsulated */ 50 kstat_named_t tks_decap; /* packets decapsulated */ 51 kstat_named_t tks_forward; /* packets forwarded */ 52 } trill_kssock_t; 53 54 #define KSPINCR(stat) ++(tsock->ts_kstats.stat.value.ui64) 55 56 #define TRILL_NO_TCI 0 /* No VLAN tag */ 57 #define TRILL_VLANS_ARRSIZE ((1<<12)/NBBY) 58 #define TRILL_VLANBIT(v) ((v) % NBBY) 59 #define TRILL_VLANBYTE(v) ((v)/NBBY) 60 #define TRILL_VLANISSET(l, v) ((l)[TRILL_VLANBYTE(v)] & (1<<TRILL_VLANBIT(v))) 61 62 struct trill_node_s; 63 64 /* 65 * TRILL instance structure, one for each TRILL instance running in 66 * support of a bridge instance. Members ti_bridgename and ti_binst 67 * refer to the specific bridge instance. The bridge instance in 68 * question must be online before we can support and rely on it. 69 * We rely on the bridge instance for TRILL sockets to transmit and 70 * receive TRILL packets. Each TRILL instance holds the TRILL 71 * forwarding and nick database in ti_nodes. trill_inst_rwlock 72 * protects changes to the TRILL instances list. Within each TRILL 73 * instance the ti_rwlock protects changes to the structure. A refcount 74 * (ti_refs) helps in destroying the TRILL instance when all TRILL 75 * sockets part of the instance are shutdown. 76 */ 77 typedef struct trill_s { 78 list_node_t ti_instnode; 79 uint16_t ti_nick; /* our nickname */ 80 uint16_t ti_treeroot; /* tree root nickname */ 81 struct trill_node_s *ti_nodes[RBRIDGE_NICKNAME_MAX]; 82 uint_t ti_nodecount; 83 list_t ti_socklist; 84 char ti_bridgename[MAXLINKNAMELEN]; 85 krwlock_t ti_rwlock; 86 uint_t ti_refs; 87 bridge_inst_t *ti_binst; 88 } trill_inst_t; 89 90 /* 91 * TRILL socket structure. IS-IS daemon opens a TRILL socket for 92 * each broadcast link the TRILL IS-IS protocol instance is 93 * running on. TRILL specific link properties, state and stats 94 * are stored as well. ts_vlanfwder indicates whether the RBridges 95 * is the designated forwarder on the link for a particular VLAN. 96 * A refcount (ts_refs) ensures the last consumer (TRILL module 97 * or the IS-IS daemon) destroys the socket. 98 */ 99 typedef struct trillsocket_s { 100 list_node_t ts_socklistnode; 101 uint8_t ts_state; 102 bridge_link_t *ts_link; 103 struct sockaddr_dl ts_lladdr; 104 uint16_t ts_desigvlan; 105 kstat_t *ts_ksp; 106 trill_kssock_t ts_kstats; 107 trill_inst_t *ts_tip; 108 uint_t ts_refs; 109 uint_t ts_flags; 110 sock_upcalls_t *ts_conn_upcalls; /* Upcalls to sockfs */ 111 sock_upper_handle_t ts_conn_upper_handle; /* sonode */ 112 boolean_t ts_flow_ctrld; 113 kmutex_t ts_socklock; 114 uint_t ts_sockthreadcount; 115 kcondvar_t ts_sockthreadwait; 116 kcondvar_t ts_sockclosewait; 117 } trill_sock_t; 118 119 /* 120 * TRILL socket flags (ts_flags). TSF_SHUTDOWN indicates the TRILL socket 121 * owner (IS-IS daemon process) had done a close on the socket and other 122 * consumers (TRILL threads) should not pass any packets downstream. 123 * TSF_CLOSEWAIT indicates socket close is in progress. 124 */ 125 #define TSF_SHUTDOWN 0x0001 126 #define TSF_CLOSEWAIT 0x0002 127 128 /* 129 * TRILL node information structure. Holds information to reach the 130 * TRILL node and other RBridge information specified in trill_nick_info_t 131 */ 132 typedef struct trill_node_s { 133 trill_sock_t *tn_tsp; 134 trill_nickinfo_t *tn_ni; 135 uint_t tn_refs; 136 } trill_node_t; 137 138 /* Limit to alloc max 1MB per trill_nickinfo_t received from user daemon */ 139 #define TNI_MAXSIZE (1<<30) 140 141 #ifdef __cplusplus 142 } 143 #endif 144 145 #endif /* _TRILL_IMPL_H */ 146