MT#55283 push ssrc_stats to kernel

Unused at this point

Change-Id: I384ca6a64cd5a3b26949baafa11ff4cd2be128d8

daemon/media_socket.c

@@ -1488,8 +1488,10 @@ static const char *kernelize_one(struct rtpengine_target_info *reti, GQueue *out
 
 	reti->track_ssrc = 1;
 	for (unsigned int u = 0; u < G_N_ELEMENTS(stream->ssrc_in); u++) {
-		if (stream->ssrc_in[u])
+		if (stream->ssrc_in[u]) {
 			reti->ssrc[u] = htonl(stream->ssrc_in[u]->parent->h.ssrc);
+			reti->ssrc_stats[u] = stream->ssrc_in[u]->stats;
+		}
 	}
 
 	if (proto_is_rtp(media->protocol)) {

kernel-module/xt_RTPENGINE.c

@@ -2409,6 +2409,7 @@ static int table_new_target(struct rtpengine_table *t, struct rtpengine_target_i
 	struct interface_stats_block *iface_stats;
 	struct stream_stats *stats;
 	struct rtp_stats *pt_stats[RTPE_NUM_PAYLOAD_TYPES];
+	struct ssrc_stats *ssrc_stats[RTPE_NUM_SSRC_TRACKING];
 
 	/* validation */
 
@@ -2444,6 +2445,15 @@ static int table_new_target(struct rtpengine_table *t, struct rtpengine_target_i
 		if (!pt_stats[u])
 			return -EFAULT;
 	}
+	for (u = 0; u < RTPE_NUM_SSRC_TRACKING; u++) {
+		if (!i->ssrc[u])
+			break;
+		if (!i->ssrc_stats[u])
+			return -EFAULT;
+		ssrc_stats[u] = shm_map_resolve(i->ssrc_stats[u], sizeof(*ssrc_stats[u]));
+		if (!ssrc_stats[u])
+			return -EFAULT;
+	}
 
 	DBG("Creating new target\n");
 
@@ -2462,8 +2472,10 @@ static int table_new_target(struct rtpengine_table *t, struct rtpengine_target_i
 	crypto_context_init(&g->decrypt_rtp, &g->target.decrypt);
 	crypto_context_init(&g->decrypt_rtcp, &g->target.decrypt);
 	spin_lock_init(&g->ssrc_stats_lock);
-	for (u = 0; u < RTPE_NUM_SSRC_TRACKING; u++)
+	for (u = 0; u < RTPE_NUM_SSRC_TRACKING; u++) {
 		g->ssrc_stats[u].lost_bits = -1;
+		g->target.ssrc_stats[u] = ssrc_stats[u];
+	}
 	rwlock_init(&g->outputs_lock);
 	g->target.iface_stats = iface_stats;
 	g->target.stats = stats;

kernel-module/xt_RTPENGINE.h

@@ -92,6 +92,7 @@ struct rtpengine_target_info {
 
 	struct rtpengine_srtp		decrypt;
 	uint32_t			ssrc[RTPE_NUM_SSRC_TRACKING]; // Expose the SSRC to userspace when we resync.
+	struct ssrc_stats		*ssrc_stats[RTPE_NUM_SSRC_TRACKING];
 
 	struct rtp_stats		*pt_stats[RTPE_NUM_PAYLOAD_TYPES]; // must be sorted by PT
 	unsigned int			num_payload_types;