laforge has submitted this change. ( 
https://gerrit.osmocom.org/c/osmo-hnodeb/+/35075?usp=email )

Change subject: Use 'iuh/local-ip' as local IP for RTP sockets
......................................................................

Use 'iuh/local-ip' as local IP for RTP sockets

Don't use the wildcard IPv4 address for RTP sockets, but instead use
the address explicitly configured by the user for the Iuh interface.

Closes: SYS#6657
Change-Id: I90e2cbb1765d4d2db5a19f64f0ff09cdc18b7911
Depends: libosmocore.git Change-Id I6b5c0bf8ca97e6358d992fb2ff45ffd53ba15197
---
M TODO-RELEASE
M include/osmocom/hnodeb/rtp.h
M src/osmo-hnodeb/llsk_audio.c
M src/osmo-hnodeb/rtp.c
4 files changed, 30 insertions(+), 12 deletions(-)

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




diff --git a/TODO-RELEASE b/TODO-RELEASE
index d0852fc..2c9f8ba 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -7,3 +7,4 @@
 # If any interfaces have been added since the last public release: c:r:a + 1.
 # If any interfaces have been removed or changed since the last public 
release: c:r:0.
 #library       what            description / commit summary line
+libosmocore    depend >= 1.9.0         we need 
osmo_sockaddr_from_str_and_uint()
diff --git a/include/osmocom/hnodeb/rtp.h b/include/osmocom/hnodeb/rtp.h
index 5eaec7b..dbb33c5 100644
--- a/include/osmocom/hnodeb/rtp.h
+++ b/include/osmocom/hnodeb/rtp.h
@@ -40,5 +40,6 @@
 struct rtp_conn *rtp_conn_alloc(struct hnb_ue *ue);
 void rtp_conn_free(struct rtp_conn *conn);

-int rtp_conn_setup(struct rtp_conn *conn, const struct osmo_sockaddr 
*rem_addr, const struct hnb_audio_conn_establish_req_param *ce_req);
+int rtp_conn_setup(struct rtp_conn *conn, const char *local_ipstr, const 
struct osmo_sockaddr *rem_addr,
+                  const struct hnb_audio_conn_establish_req_param *ce_req);
 int rtp_conn_tx_data(struct rtp_conn *conn, uint8_t frame_nr, uint8_t fqc, 
uint8_t rfci, const uint8_t *data, unsigned int data_len);
diff --git a/src/osmo-hnodeb/llsk_audio.c b/src/osmo-hnodeb/llsk_audio.c
index a545ee7..3140f83 100644
--- a/src/osmo-hnodeb/llsk_audio.c
+++ b/src/osmo-hnodeb/llsk_audio.c
@@ -210,7 +210,7 @@

        /* Create the socket: */
        conn = rtp_conn_alloc(ue);
-       if ((rc = rtp_conn_setup(conn, &rem_osa, ce_req)) < 0) {
+       if ((rc = rtp_conn_setup(conn, hnb->iuh.local_addr, &rem_osa, ce_req)) 
< 0) {
                LOGUE(ue, DLLSK, LOGL_ERROR, "Rx AUDIO-CONN_ESTABLISH.req: 
Failed to set up audio socket rem_addr=%s\n",
                      rem_addrstr);
                return _send_conn_establish_cnf_failed(hnb, v0->context_id, 4);
diff --git a/src/osmo-hnodeb/rtp.c b/src/osmo-hnodeb/rtp.c
index 422e043..6213eee 100644
--- a/src/osmo-hnodeb/rtp.c
+++ b/src/osmo-hnodeb/rtp.c
@@ -263,14 +263,13 @@
                      "Failed passing rx rtp up to IuUP layer: %d\n", rc);
 }

-int rtp_conn_setup(struct rtp_conn *conn, const struct osmo_sockaddr *rem_addr,
+int rtp_conn_setup(struct rtp_conn *conn, const char *local_ipstr, const 
struct osmo_sockaddr *rem_addr,
                   const struct hnb_audio_conn_establish_req_param *ce_req)
 {
        int rc;
        char cname[256+4];
        char name[32];
        struct osmo_rtp_socket *rs;
-       const char *local_wildcard_ipstr = "0.0.0.0";
        char remote_ipstr[INET6_ADDRSTRLEN];
        uint16_t remote_port;
        struct osmo_iuup_rnl_prim *irp;
@@ -305,15 +304,16 @@
        rs->priv = conn;
        rs->rx_cb = &rtp_rx_cb;

-       rc = rtp_bind(hnb, rs, local_wildcard_ipstr);
+       rc = rtp_bind(hnb, rs, local_ipstr);
        if (rc < 0) {
                LOGUE(ue, DRTP, LOGL_ERROR, "Failed to bind RTP/RTCP 
sockets\n");
                goto free_ret;
        }
        conn->id = rc; /* We use local port as rtp conn ID */
+       osmo_sockaddr_from_str_and_uint(&conn->loc_addr, local_ipstr, rc);

        /* Ensure RTCP SDES contains some useful information */
-       snprintf(cname, sizeof(cname), "hnb@%s", local_wildcard_ipstr);
+       snprintf(cname, sizeof(cname), "hnb@%s", local_ipstr);
        snprintf(name, sizeof(name), "ue@%u-%u", conn->ue->conn_id, conn->id);
        osmo_rtp_set_source_desc(rs, cname, name, NULL, NULL, NULL,
                                 "OsmoHNodeB-" PACKAGE_VERSION, NULL);
@@ -324,12 +324,14 @@
                goto free_ret;
        }

-       /* osmo_rtp_socket_connect() is broken, OS#5356 */
-       //rc = rtp_get_bound_addr(rs, &conn->loc_addr);
-       rc = rtp_get_bound_addr(rs, rem_addr, &conn->loc_addr);
-       if (rc < 0) {
-               LOGUE(ue, DRTP, LOGL_ERROR, "Cannot obtain locally bound 
IP/port: %d\n", rc);
-               goto free_ret;
+       if (osmo_sockaddr_is_any(&conn->loc_addr)) {
+               /* osmo_rtp_socket_connect() is broken, OS#5356 */
+               //rc = rtp_get_bound_addr(rs, &conn->loc_addr);
+               rc = rtp_get_bound_addr(rs, rem_addr, &conn->loc_addr);
+               if (rc < 0) {
+                       LOGUE(ue, DRTP, LOGL_ERROR, "Cannot obtain locally 
bound IP/port: %d\n", rc);
+                       goto free_ret;
+               }
        }

        /* Now configure the IuUP layer: */

--
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Gerrit-Project: osmo-hnodeb
Gerrit-Branch: master
Gerrit-Change-Id: I90e2cbb1765d4d2db5a19f64f0ff09cdc18b7911
Gerrit-Change-Number: 35075
Gerrit-PatchSet: 2
Gerrit-Owner: laforge <lafo...@osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <lafo...@osmocom.org>
Gerrit-Reviewer: osmith <osm...@sysmocom.de>
Gerrit-MessageType: merged

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