TT#146201 mark RTCP-capable kernel streams

No functional change

Change-Id: I9d3d56d935156f8941052d56dc62577a80fe92c1

daemon/media_socket.c

@@ -1464,6 +1464,7 @@ static const char *kernelize_one(struct rtpengine_target_info *reti, GQueue *out
 
 	__re_address_translate_ep(&reti->local, &stream->selected_sfd->socket.local);
 	reti->rtcp_mux = MEDIA_ISSET(media, RTCP_MUX);
+	reti->rtcp = PS_ISSET(stream, RTCP);
 	reti->dtls = MEDIA_ISSET(media, DTLS);
 	reti->stun = media->ice_agent ? 1 : 0;
 	reti->non_forwarding = non_forwarding ? 1 : 0;

kernel-module/xt_RTPENGINE.c

@@ -1740,6 +1740,8 @@ static int proc_list_show(struct seq_file *f, void *v) {
 		seq_printf(f, " PT-filter");
 	if (g->target.rtp_only)
 		seq_printf(f, " RTP-only");
+	if (g->target.rtcp)
+		seq_printf(f, " RTCP");
 	if (g->target.rtcp_mux)
 		seq_printf(f, " RTCP-mux");
 	if (g->target.dtls)
@@ -5258,8 +5260,14 @@ static unsigned int rtpengine46(struct sk_buff *skb, struct rtpengine_table *t,
 	// RTP processing
 	rtp.ok = 0;
 	if (g->target.rtp) {
-		if (g->target.rtcp_mux && is_muxed_rtcp(skb))
-			goto out; // pass to userspace
+		if (g->target.rtcp) {
+			if (g->target.rtcp_mux) {
+				if (is_muxed_rtcp(skb))
+					goto out; // pass to userspace
+			}
+			else
+				goto out; // RTCP only
+		}
 
 		parse_rtp(&rtp, skb);
 		if (!rtp.ok && g->target.rtp_only)

kernel-module/xt_RTPENGINE.h

@@ -124,6 +124,7 @@ struct rtpengine_target_info {
 					rtp:1,
 					rtp_only:1,
 					track_ssrc:1,
+					rtcp:1,
 					do_intercept:1,
 					pt_filter:1,
 					non_forwarding:1, // empty src/dst addr