osmith has submitted this change. ( 
https://gerrit.osmocom.org/c/osmo-bsc/+/31549 )

Change subject: rsl_tx_ipacc_crcx/mdcx: omit speech mode for CSD
......................................................................

rsl_tx_ipacc_crcx/mdcx: omit speech mode for CSD

Omit the A-bis/IP specific RSL_IE_IPAC_SPEECH_MODE, as it doesn't make
sense for circuit switched data.

Related: OS#4393
Change-Id: I6641b713177276bcf798f08123e1dd2e88ffdce6
---
M src/osmo-bsc/abis_rsl.c
M src/osmo-bsc/lchan_rtp_fsm.c
2 files changed, 56 insertions(+), 22 deletions(-)

Approvals:
  laforge: Looks good to me, but someone else must approve
  Jenkins Builder: Verified
  osmith: Looks good to me, approved




diff --git a/src/osmo-bsc/abis_rsl.c b/src/osmo-bsc/abis_rsl.c
index 20c90f8..5d60119 100644
--- a/src/osmo-bsc/abis_rsl.c
+++ b/src/osmo-bsc/abis_rsl.c
@@ -2755,16 +2755,25 @@
        dh->c.msg_discr = ABIS_RSL_MDISC_IPACCESS;
        dh->chan_nr = chan_nr;

-       /* 0x1- == receive-only, 0x-1 == EFR codec */
-       msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, lchan->abis_ip.speech_mode);
+       if (lchan->current_ch_indctr == GSM0808_CHAN_DATA) {
+               LOG_LCHAN(lchan, LOGL_DEBUG,
+                         "Sending IPACC CRCX to BTS: RTP_PAYLOAD=%d (CSD) 
osmux_use=%d osmux_loc_cid=%d\n",
+                         lchan->abis_ip.rtp_payload,
+                         lchan->abis_ip.osmux.use, 
lchan->abis_ip.osmux.local_cid);
+       } else {
+               /* 0x1- == receive-only, 0x-1 == EFR codec */
+               msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, 
lchan->abis_ip.speech_mode);
+
+               LOG_LCHAN(lchan, LOGL_DEBUG,
+                         "Sending IPACC CRCX to BTS: speech_mode=0x%02x 
RTP_PAYLOAD=%d osmux_use=%d osmux_loc_cid=%d\n",
+                         lchan->abis_ip.speech_mode, 
lchan->abis_ip.rtp_payload,
+                         lchan->abis_ip.osmux.use, 
lchan->abis_ip.osmux.local_cid);
+       }
+
        msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD, lchan->abis_ip.rtp_payload);
        if (lchan->abis_ip.osmux.use)
                msgb_tlv_put(msg, RSL_IE_OSMO_OSMUX_CID, 1, 
&lchan->abis_ip.osmux.local_cid);

-       LOG_LCHAN(lchan, LOGL_DEBUG,
-                 "Sending IPACC CRCX to BTS: speech_mode=0x%02x RTP_PAYLOAD=%d 
osmux_use=%d osmux_loc_cid=%d\n",
-                 lchan->abis_ip.speech_mode, lchan->abis_ip.rtp_payload,
-                 lchan->abis_ip.osmux.use, lchan->abis_ip.osmux.local_cid);

        msg->dst = rsl_chan_link(lchan);

@@ -2798,7 +2807,8 @@
        att_ip = (uint32_t *)msgb_put(msg, sizeof(uint32_t));
        *att_ip = htonl(dest_ip);
        msgb_tv16_put(msg, RSL_IE_IPAC_REMOTE_PORT, dest_port);
-       msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, lchan->abis_ip.speech_mode);
+       if (lchan->current_ch_indctr == GSM0808_CHAN_SPEECH)
+               msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, 
lchan->abis_ip.speech_mode);
        msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD, lchan->abis_ip.rtp_payload);
        if (lchan->abis_ip.rtp_payload2)
                msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD2, 
lchan->abis_ip.rtp_payload2);
@@ -2821,14 +2831,23 @@
        if (!msg)
                return -EINVAL;

-       LOG_LCHAN(lchan, LOGL_DEBUG, "Sending IPACC MDCX to BTS:"
-                 " %s:%u rtp_payload=%u rtp_payload2=%u conn_id=%u 
speech_mode=0x%02x\n",
-                 ip_to_a(lchan->abis_ip.connect_ip),
-                 lchan->abis_ip.connect_port,
-                 lchan->abis_ip.rtp_payload,
-                 lchan->abis_ip.rtp_payload2,
-                 lchan->abis_ip.conn_id,
-                 lchan->abis_ip.speech_mode);
+       if (lchan->current_ch_indctr == GSM0808_CHAN_DATA)
+               LOG_LCHAN(lchan, LOGL_DEBUG, "Sending IPACC MDCX to BTS:"
+                         " %s:%u rtp_payload=%u (CSD) rtp_payload2=%u 
conn_id=%u\n",
+                         ip_to_a(lchan->abis_ip.connect_ip),
+                         lchan->abis_ip.connect_port,
+                         lchan->abis_ip.rtp_payload,
+                         lchan->abis_ip.rtp_payload2,
+                         lchan->abis_ip.conn_id);
+       else
+               LOG_LCHAN(lchan, LOGL_DEBUG, "Sending IPACC MDCX to BTS:"
+                         " %s:%u rtp_payload=%u rtp_payload2=%u conn_id=%u 
speech_mode=0x%02x\n",
+                         ip_to_a(lchan->abis_ip.connect_ip),
+                         lchan->abis_ip.connect_port,
+                         lchan->abis_ip.rtp_payload,
+                         lchan->abis_ip.rtp_payload2,
+                         lchan->abis_ip.conn_id,
+                         lchan->abis_ip.speech_mode);

        return abis_rsl_sendmsg(msg);
 }
diff --git a/src/osmo-bsc/lchan_rtp_fsm.c b/src/osmo-bsc/lchan_rtp_fsm.c
index 4cfec54..78ba477 100644
--- a/src/osmo-bsc/lchan_rtp_fsm.c
+++ b/src/osmo-bsc/lchan_rtp_fsm.c
@@ -307,14 +307,16 @@
                return;
        }

-       val = ipacc_speech_mode(lchan->activate.ch_mode_rate.chan_mode, 
lchan->type);
-       if (val < 0) {
-               lchan_rtp_fail("Cannot determine Abis/IP speech mode for 
tch_mode=%s type=%s",
-                          get_value_string(gsm48_chan_mode_names, 
lchan->activate.ch_mode_rate.chan_mode),
-                          gsm_chan_t_name(lchan->type));
-               return;
+       if (lchan->current_ch_indctr == GSM0808_CHAN_SPEECH) {
+               val = ipacc_speech_mode(lchan->activate.ch_mode_rate.chan_mode, 
lchan->type);
+               if (val < 0) {
+                       lchan_rtp_fail("Cannot determine Abis/IP speech mode 
for tch_mode=%s type=%s",
+                                  get_value_string(gsm48_chan_mode_names, 
lchan->activate.ch_mode_rate.chan_mode),
+                                  gsm_chan_t_name(lchan->type));
+                       return;
+               }
+               lchan->abis_ip.speech_mode = val;
        }
-       lchan->abis_ip.speech_mode = val;

        val = ipacc_payload_type(lchan->activate.ch_mode_rate.chan_mode, 
lchan->type);
        if (val < 0) {

--
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I6641b713177276bcf798f08123e1dd2e88ffdce6
Gerrit-Change-Number: 31549
Gerrit-PatchSet: 6
Gerrit-Owner: osmith <osm...@sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <lafo...@osmocom.org>
Gerrit-Reviewer: osmith <osm...@sysmocom.de>
Gerrit-Reviewer: pespin <pes...@sysmocom.de>
Gerrit-MessageType: merged

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