3 * ===================================
4 * HARP | Host ATM Research Platform
5 * ===================================
8 * This Host ATM Research Platform ("HARP") file (the "Software") is
9 * made available by Network Computing Services, Inc. ("NetworkCS")
10 * "AS IS". NetworkCS does not provide maintenance, improvements or
11 * support of any kind.
13 * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
14 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
15 * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
16 * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
17 * In no event shall NetworkCS be responsible for any damages, including
18 * but not limited to consequential damages, arising from or relating to
19 * any use of the Software or related support.
21 * Copyright 1994-1998 Network Computing Services, Inc.
23 * Copies of this Software may be made, however, the above copyright
24 * notice must be reproduced on all copies.
26 * @(#) $FreeBSD: src/sys/netatm/ipatm/ipatm_var.h,v 1.2 1999/08/28 00:48:45 peter Exp $
27 * @(#) $DragonFly: src/sys/netproto/atm/ipatm/ipatm_var.h,v 1.3 2003/08/23 10:06:22 rob Exp $
35 * Protocol control blocks
39 #ifndef _IPATM_IPATM_VAR_H
40 #define _IPATM_IPATM_VAR_H
44 * Structure containing information for each VCC, both SVC and PVC, which
45 * supports IP traffic.
48 Qelem_t iv_elem; /* ip_nif queueing links */
49 u_short iv_flags; /* VCC flags (see below) */
50 u_char iv_state; /* VCC state (see below) */
51 Atm_connection *iv_conn; /* Connection manager token */
52 struct in_addr iv_dst; /* Peer's IP address */
53 struct ip_nif *iv_ipnif; /* IP network interface */
54 struct atm_time iv_time; /* Timer controls */
55 short iv_idle; /* VCC idle timer */
56 u_char iv_parmx; /* Index into provider's vcc params */
57 KBuffer *iv_queue; /* Packet waiting for VCC */
58 struct arpmap *iv_arpent; /* ARP entry for VCC */
59 struct ipvcc *iv_arpnext; /* ARP link field */
60 Atm_connection *iv_arpconn; /* ARP connection manager token */
62 #define iv_forw iv_elem.q_forw
63 #define iv_back iv_elem.q_back
64 #endif /* ATM_KERNEL */
69 #define IVF_PVC 0x0001 /* PVC */
70 #define IVF_SVC 0x0002 /* SVC */
71 #define IVF_LLC 0x0004 /* VCC uses LLC/SNAP encapsulation */
72 #define IVF_MAPOK 0x0008 /* VCC ARP mapping is valid */
73 #define IVF_NOIDLE 0x0010 /* Do not idle-timeout this VCC */
78 #define IPVCC_FREE 0 /* No VCC associated with entry */
79 #define IPVCC_PMAP 1 /* SVC waiting for ARP mapping */
80 #define IPVCC_POPEN 2 /* Pending SVC open completion */
81 #define IPVCC_PACCEPT 3 /* Pending SVC accept completion */
82 #define IPVCC_ACTPENT 4 /* PVC open - waiting for ARP entry */
83 #define IPVCC_ACTIVE 5 /* VCC open - available */
84 #define IPVCC_CLOSED 6 /* VCC has been closed */
89 * Structure containing IP-specific information for each ATM network
90 * interface in the system.
93 struct ip_nif *inf_next; /* Next on interface chain */
94 struct atm_nif *inf_nif; /* ATM network interface */
95 u_short inf_state; /* Interface state (see below) */
96 struct in_ifaddr *inf_addr; /* Interface's IP address */
97 Queue_t inf_vcq; /* VCC connections queue */
98 struct ip_serv *inf_serv; /* Interface service provider */
100 /* For use by IP interface service provider (ie signalling manager) */
101 caddr_t inf_isintf; /* Interface control block */
103 /* IP/ATM provided interface services */
104 void (*inf_arpnotify)/* ARP event notification */
105 (struct ipvcc *, int);
106 int (*inf_ipinput) /* IP packet input */
107 (struct ip_nif *, KBuffer *);
108 int (*inf_createsvc)/* Create an IP SVC */
109 (struct ifnet *, u_short, caddr_t,
114 * Network Interface States
116 #define IPNIF_ADDR 1 /* Waiting for i/f address */
117 #define IPNIF_SIGMGR 2 /* Waiting for sigmgr attach */
118 #define IPNIF_ACTIVE 3 /* Active */
122 * Global IP/ATM Statistics
125 u_long ias_rcvstate; /* Packets received, bad vcc state */
126 u_long ias_rcvnobuf; /* Packets received, no buf avail */
131 * Structure to pass parameters for ipatm_openpvc()
134 struct ip_nif *ipp_ipnif; /* PVC's IP network interface */
135 u_short ipp_vpi; /* VPI value */
136 u_short ipp_vci; /* VCI value */
137 Aal_t ipp_aal; /* AAL type */
138 Encaps_t ipp_encaps; /* VCC encapsulation */
139 struct sockaddr_in ipp_dst; /* Destination's IP address */
146 #define IPVCC_TIMER(s, t) atm_timeout(&(s)->iv_time, (t), ipatm_timeout)
147 #define IPVCC_CANCEL(s) atm_untimeout(&(s)->iv_time)
152 #define SATOSIN(sa) ((struct sockaddr_in *)(sa))
156 * Global function declarations
159 void ipatm_timeout (struct atm_time *);
160 void ipatm_connected (void *);
161 void ipatm_cleared (void *, struct t_atm_cause *);
162 void ipatm_arpnotify (struct ipvcc *, int);
163 void ipatm_itimeout (struct atm_time *);
166 int ipatm_nifstat (int, struct atm_nif *, int);
169 void ipatm_cpcs_data (void *, KBuffer *);
170 int ipatm_ipinput (struct ip_nif *, KBuffer *);
175 int ipatm_ifoutput (struct ifnet *, KBuffer *,
179 int ipatm_ioctl (int, caddr_t, caddr_t);
180 caddr_t ipatm_getname (void *);
183 int ipatm_openpvc (struct ipatmpvc *, struct ipvcc **);
184 int ipatm_createsvc (struct ifnet *, u_short, caddr_t,
186 int ipatm_opensvc (struct ipvcc *);
187 int ipatm_retrysvc (struct ipvcc *);
188 void ipatm_activate (struct ipvcc *);
189 int ipatm_incoming (void *, Atm_connection *, Atm_attributes *,
191 int ipatm_closevc (struct ipvcc *, int);
192 int ipatm_chknif (struct in_addr, struct ip_nif *);
193 struct ipvcc *ipatm_iptovc (struct sockaddr_in *, struct atm_nif *);
199 extern int ipatm_vccnt;
200 extern int ipatm_vcidle;
201 extern int ipatm_print;
202 extern u_long last_map_ipdst;
203 extern struct ipvcc *last_map_ipvcc;
204 extern struct ip_nif *ipatm_nif_head;
205 extern struct sp_info ipatm_vcpool;
206 extern struct sp_info ipatm_nifpool;
207 extern struct ipatm_stat ipatm_stat;
208 extern struct atm_time ipatm_itimer;
209 extern Atm_endpoint ipatm_endpt;
210 extern Atm_attributes ipatm_aal5llc;
211 extern Atm_attributes ipatm_aal5null;
212 extern Atm_attributes ipatm_aal4null;
214 #endif /* ATM_KERNEL */
216 #endif /* _IPATM_IPATM_VAR_H */