2 * Copyright (c) 2001 Cubical Solutions Ltd. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 /* capi/capi_llif.c The i4b CAPI link layer interface.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/systm.h>
36 #include <sys/socket.h>
39 #include <i4b/include/i4b_debug.h>
40 #include <i4b/include/i4b_ioctl.h>
41 #include <i4b/include/i4b_cause.h>
43 #include <i4b/include/i4b_l3l4.h>
44 #include <i4b/include/i4b_mbuf.h>
45 #include <i4b/include/i4b_global.h>
47 #include <i4b/layer4/i4b_l4.h>
49 #include <i4b/capi/capi.h>
50 #include <i4b/capi/capi_msgs.h>
54 // CAPI link layer control routine. Called by a link layer
55 // driver when its state changes.
59 capi_ll_control(capi_softc_t *sc, int op, int arg)
64 sc->sc_state = C_READY;
67 * Register our CAPI ApplId and send CAPI_LISTEN_REQ
68 * with CIP Mask value 1 (match all).
71 sc->reg_appl(sc, I4BCAPI_APPLID, sc->sc_nbch);
72 capi_listen_req(sc, 0x10007);
75 sc->sc_state = C_DOWN;
76 /* XXX go through cds and notify L4 of pdeact? XXX */
80 case CAPI_CTRL_PROFILE:
81 bcopy((char*) arg, &sc->sc_profile, sizeof(sc->sc_profile));
84 case CAPI_CTRL_NEW_NCCI:
85 case CAPI_CTRL_FREE_NCCI:
86 /* We ignore the controller's NCCI notifications. */
90 printf("capi%d: unknown control %d\n", sc->sc_unit, op);
98 // Array of message-handler pairs used to dispatch CAPI
99 // messages sent to I4BCAPI_APPLID.
102 static struct capi_cmdtab {
104 void (*handler)(capi_softc_t *, struct mbuf *);
105 } i4b_capi_handlers[] = {
106 { CAPI_LISTEN_CONF, capi_listen_conf },
107 { CAPI_INFO_IND, capi_info_ind },
108 { CAPI_ALERT_CONF, capi_alert_conf },
109 { CAPI_CONNECT_CONF, capi_connect_conf },
110 { CAPI_CONNECT_IND, capi_connect_ind },
111 { CAPI_CONNECT_ACTIVE_IND, capi_connect_active_ind },
112 { CAPI_CONNECT_B3_CONF, capi_connect_b3_conf },
113 { CAPI_CONNECT_B3_IND, capi_connect_b3_ind },
114 { CAPI_CONNECT_B3_ACTIVE_IND, capi_connect_b3_active_ind },
115 { CAPI_DATA_B3_CONF, capi_data_b3_conf },
116 { CAPI_DATA_B3_IND, capi_data_b3_ind },
117 { CAPI_DISCONNECT_B3_IND, capi_disconnect_b3_ind },
118 { CAPI_DISCONNECT_CONF, capi_disconnect_conf },
119 { CAPI_DISCONNECT_IND, capi_disconnect_ind },
125 // CAPI link layer receive upcall. Called by a link layer
126 // driver to dispatch incoming CAPI messages.
130 capi_ll_receive(capi_softc_t *sc, struct mbuf *m)
132 u_int8_t *p = mtod(m, u_int8_t*);
133 u_int16_t len, applid, msgid, cmd;
135 capimsg_getu16(p + 0, &len);
136 capimsg_getu16(p + 2, &applid);
137 capimsg_getu16(p + 4, &cmd);
138 capimsg_getu16(p + 6, &msgid);
141 printf("capi%d: ll_receive hdr %04x %04x %04x %04x\n", sc->sc_unit,
142 len, applid, cmd, msgid);
145 if (applid == I4BCAPI_APPLID) {
146 struct capi_cmdtab *e;
147 for (e = i4b_capi_handlers; e->cmd && e->cmd != cmd; e++);
148 if (e->cmd) (*e->handler)(sc, m);
149 else printf("capi%d: unknown message %04x\n", sc->sc_unit, cmd);
152 /* XXX we could handle arbitrary ApplIds here XXX */
153 printf("capi%d: message %04x for unknown applid %d\n", sc->sc_unit,
158 i4b_Bfreembuf(m->m_next);