[ipa] Change names of RTP methods to follow MGCP naming
IPA is naming these functions CRCX, MDCX, DLCX to follow
the naming of the MediaGatewayControlProtocol. Change the
code to go from BIND to CRCX (create connection) and from
CONNECT to MDCX (modify connection).
Connect indicates that it is only possible to call it once
while it is possible to call it more than once to modify
the audio parmaters and such. So the IPA terminology is
making a bit more sense here (now that we know it).
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index 2d00603..f6e0b87 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -1362,14 +1362,14 @@
}
/* ip.access specific RSL extensions */
-int rsl_ipacc_bind(struct gsm_lchan *lchan)
+int rsl_ipacc_crcx(struct gsm_lchan *lchan)
{
struct msgb *msg = rsl_msgb_alloc();
struct abis_rsl_dchan_hdr *dh;
u_int8_t speech_mode;
dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh));
- init_dchan_hdr(dh, RSL_MT_IPAC_BIND);
+ init_dchan_hdr(dh, RSL_MT_IPAC_CRCX);
dh->c.msg_discr = ABIS_RSL_MDISC_IPACCESS;
dh->chan_nr = lchan2chan_nr(lchan);
@@ -1386,7 +1386,7 @@
return abis_rsl_sendmsg(msg);
}
-int rsl_ipacc_connect(struct gsm_lchan *lchan, u_int32_t ip, u_int16_t port,
+int rsl_ipacc_mdcx(struct gsm_lchan *lchan, u_int32_t ip, u_int16_t port,
u_int16_t conn_id, u_int8_t rtp_payload2)
{
struct msgb *msg = rsl_msgb_alloc();
@@ -1396,7 +1396,7 @@
struct in_addr ia;
dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh));
- init_dchan_hdr(dh, RSL_MT_IPAC_CONNECT);
+ init_dchan_hdr(dh, RSL_MT_IPAC_MDCX);
dh->c.msg_discr = ABIS_RSL_MDISC_IPACCESS;
dh->chan_nr = lchan2chan_nr(lchan);
@@ -1404,7 +1404,7 @@
speech_mode = 0x00 | ipa_smod_s_for_tch_mode(lchan->tch_mode);
ia.s_addr = htonl(ip);
- DEBUGP(DRSL, "channel=%s chan_nr=0x%02x IPAC_CONNECT "
+ DEBUGP(DRSL, "channel=%s chan_nr=0x%02x IPAC_MDCX "
"IP=%s PORT=%d RTP_PAYLOAD2=%d CONN_ID=%d speech_mode=0x%02x\n",
gsm_ts_name(lchan->ts), dh->chan_nr,
inet_ntoa(ia), port, rtp_payload2, conn_id, speech_mode);
@@ -1454,7 +1454,7 @@
return abis_rsl_sendmsg(msg);
}
-static int abis_rsl_rx_ipacc_bindack(struct msgb *msg)
+static int abis_rsl_rx_ipacc_crcx_ack(struct msgb *msg)
{
struct abis_rsl_dchan_hdr *dh = msgb_l2(msg);
struct tlv_parsed tv;
@@ -1492,12 +1492,12 @@
ts->abis_ip.bound_port = ntohs(port);
ts->abis_ip.conn_id = ntohs(attr_f8);
- dispatch_signal(SS_ABISIP, S_ABISIP_BIND_ACK, msg->lchan);
+ dispatch_signal(SS_ABISIP, S_ABISIP_CRCX_ACK, msg->lchan);
return 0;
}
-static int abis_rsl_rx_ipacc_disc_ind(struct msgb *msg)
+static int abis_rsl_rx_ipacc_dlcx_ind(struct msgb *msg)
{
struct abis_rsl_dchan_hdr *dh = msgb_l2(msg);
struct tlv_parsed tv;
@@ -1508,7 +1508,7 @@
print_rsl_cause(TLVP_VAL(&tv, RSL_IE_CAUSE),
TLVP_LEN(&tv, RSL_IE_CAUSE));
- dispatch_signal(SS_ABISIP, S_ABISIP_DISC_IND, msg->lchan);
+ dispatch_signal(SS_ABISIP, S_ABISIP_DLCX_IND, msg->lchan);
return 0;
}
@@ -1523,27 +1523,27 @@
gsm_ts_name(msg->lchan->ts), rllh->chan_nr);
switch (rllh->c.msg_type) {
- case RSL_MT_IPAC_BIND_ACK:
- DEBUGPC(DRSL, "IPAC_BIND_ACK ");
- rc = abis_rsl_rx_ipacc_bindack(msg);
+ case RSL_MT_IPAC_CRCX_ACK:
+ DEBUGPC(DRSL, "IPAC_CRCX_ACK ");
+ rc = abis_rsl_rx_ipacc_crcx_ack(msg);
break;
- case RSL_MT_IPAC_BIND_NACK:
+ case RSL_MT_IPAC_CRCX_NACK:
/* somehow the BTS was unable to bind the lchan to its local
* port?!? */
- DEBUGPC(DRSL, "IPAC_BIND_NACK ");
+ DEBUGPC(DRSL, "IPAC_CRCX_NACK ");
break;
- case RSL_MT_IPAC_CONNECT_ACK:
+ case RSL_MT_IPAC_MDCX_ACK:
/* the BTS tells us that a connect operation was successful */
- DEBUGPC(DRSL, "IPAC_CONNECT_ACK ");
+ DEBUGPC(DRSL, "IPAC_MDCX_ACK ");
break;
- case RSL_MT_IPAC_CONNECT_NACK:
+ case RSL_MT_IPAC_MDCX_NACK:
/* somehow the BTS was unable to connect the lchan to a remote
* port */
- DEBUGPC(DRSL, "IPAC_CONNECT_NACK ");
+ DEBUGPC(DRSL, "IPAC_MDCX_NACK ");
break;
- case RSL_MT_IPAC_DISCONNECT_IND:
- DEBUGPC(DRSL, "IPAC_DISCONNECT_IND ");
- rc = abis_rsl_rx_ipacc_disc_ind(msg);
+ case RSL_MT_IPAC_DLCX_IND:
+ DEBUGPC(DRSL, "IPAC_DLCX_IND ");
+ rc = abis_rsl_rx_ipacc_dlcx_ind(msg);
break;
default:
DEBUGPC(DRSL, "Unknown ip.access msg_type 0x%02x", rllh->c.msg_type);