diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c
index 7ea5fb28c93d..cf227f0011b5 100644
--- a/tools/testing/selftests/net/msg_zerocopy.c
+++ b/tools/testing/selftests/net/msg_zerocopy.c
@@ -66,6 +66,10 @@
 #define SO_ZEROCOPY	60
 #endif
 
+#ifndef SCM_ZC_NOTIFICATION
+#define SCM_ZC_NOTIFICATION	78
+#endif
+
 #ifndef SO_EE_CODE_ZEROCOPY_COPIED
 #define SO_EE_CODE_ZEROCOPY_COPIED	1
 #endif
@@ -74,6 +78,14 @@
 #define MSG_ZEROCOPY	0x4000000
 #endif
 
+#define ZC_INFO_ARR_SIZE (ZC_NOTIFICATION_MAX * sizeof(struct zc_info_elem))
+#define ZC_INFO_SIZE	(sizeof(struct zc_info) + ZC_INFO_ARR_SIZE)
+
+enum notification_type {
+	MSG_ZEROCOPY_NOTIFY_ERRQUEUE = 1,
+	MSG_ZEROCOPY_NOTIFY_SENDMSG = 2,
+};
+
 static int  cfg_cork;
 static bool cfg_cork_mixed;
 static int  cfg_cpu		= -1;		/* default: pin to last cpu */
@@ -86,7 +98,7 @@ static int  cfg_runtime_ms	= 4200;
 static int  cfg_verbose;
 static int  cfg_waittime_ms	= 500;
 static int  cfg_notification_limit = 32;
-static bool cfg_zerocopy;
+static enum notification_type cfg_zerocopy;
 
 static socklen_t cfg_alen;
 static struct sockaddr_storage cfg_dst_addr;
@@ -97,6 +109,8 @@ static long packets, bytes, completions, expected_completions;
 static int  zerocopied = -1;
 static uint32_t next_completion;
 static uint32_t sends_since_notify;
+static char	zc_ckbuf[CMSG_SPACE(ZC_INFO_SIZE)];
+static bool	added_zcopy_info;
 
 static unsigned long gettimeofday_ms(void)
 {
@@ -182,7 +196,26 @@ static void add_zcopy_cookie(struct msghdr *msg, uint32_t cookie)
 	memcpy(CMSG_DATA(cm), &cookie, sizeof(cookie));
 }
 
-static bool do_sendmsg(int fd, struct msghdr *msg, bool do_zerocopy, int domain)
+static void add_zcopy_info(struct msghdr *msg)
+{
+	struct zc_info *zc_info;
+	struct cmsghdr *cm;
+
+	if (!msg->msg_control)
+		error(1, errno, "NULL user arg");
+	cm = (struct cmsghdr *)msg->msg_control;
+	cm->cmsg_len = CMSG_LEN(ZC_INFO_SIZE);
+	cm->cmsg_level = SOL_SOCKET;
+	cm->cmsg_type = SCM_ZC_NOTIFICATION;
+
+	zc_info = (struct zc_info *)CMSG_DATA(cm);
+	zc_info->size = ZC_NOTIFICATION_MAX;
+
+	added_zcopy_info = true;
+}
+
+static bool do_sendmsg(int fd, struct msghdr *msg,
+		       enum notification_type do_zerocopy, int domain)
 {
 	int ret, len, i, flags;
 	static uint32_t cookie;
@@ -200,6 +233,12 @@ static bool do_sendmsg(int fd, struct msghdr *msg, bool do_zerocopy, int domain)
 			msg->msg_controllen = CMSG_SPACE(sizeof(cookie));
 			msg->msg_control = (struct cmsghdr *)ckbuf;
 			add_zcopy_cookie(msg, ++cookie);
+		} else if (do_zerocopy == MSG_ZEROCOPY_NOTIFY_SENDMSG &&
+			   sends_since_notify + 1 >= cfg_notification_limit) {
+			memset(&msg->msg_control, 0, sizeof(msg->msg_control));
+			msg->msg_controllen = CMSG_SPACE(ZC_INFO_SIZE);
+			msg->msg_control = (struct cmsghdr *)zc_ckbuf;
+			add_zcopy_info(msg);
 		}
 	}
 
@@ -218,7 +257,7 @@ static bool do_sendmsg(int fd, struct msghdr *msg, bool do_zerocopy, int domain)
 		if (do_zerocopy && ret)
 			expected_completions++;
 	}
-	if (do_zerocopy && domain == PF_RDS) {
+	if (msg->msg_control) {
 		msg->msg_control = NULL;
 		msg->msg_controllen = 0;
 	}
@@ -466,6 +505,44 @@ static void do_recv_completions(int fd, int domain)
 	sends_since_notify = 0;
 }
 
+static void do_recv_completions2(void)
+{
+	struct cmsghdr *cm = (struct cmsghdr *)zc_ckbuf;
+	struct zc_info *zc_info;
+	__u32 hi, lo, range;
+	__u8 zerocopy;
+	int i;
+
+	zc_info = (struct zc_info *)CMSG_DATA(cm);
+	for (i = 0; i < zc_info->size; i++) {
+		hi = zc_info->arr[i].hi;
+		lo = zc_info->arr[i].lo;
+		zerocopy = zc_info->arr[i].zerocopy;
+		range = hi - lo + 1;
+
+		if (cfg_verbose && lo != next_completion)
+			fprintf(stderr, "gap: %u..%u does not append to %u\n",
+				lo, hi, next_completion);
+		next_completion = hi + 1;
+
+		if (zerocopied == -1) {
+			zerocopied = zerocopy;
+		} else if (zerocopied != zerocopy) {
+			fprintf(stderr, "serr: inconsistent\n");
+			zerocopied = zerocopy;
+		}
+
+		completions += range;
+		sends_since_notify -= range;
+
+		if (cfg_verbose >= 2)
+			fprintf(stderr, "completed: %u (h=%u l=%u)\n",
+				range, hi, lo);
+	}
+
+	added_zcopy_info = false;
+}
+
 /* Wait for all remaining completions on the errqueue */
 static void do_recv_remaining_completions(int fd, int domain)
 {
@@ -553,11 +630,16 @@ static void do_tx(int domain, int type, int protocol)
 		else
 			do_sendmsg(fd, &msg, cfg_zerocopy, domain);
 
-		if (cfg_zerocopy && sends_since_notify >= cfg_notification_limit)
+		if (cfg_zerocopy == MSG_ZEROCOPY_NOTIFY_ERRQUEUE &&
+		    sends_since_notify >= cfg_notification_limit)
 			do_recv_completions(fd, domain);
 
+		if (cfg_zerocopy == MSG_ZEROCOPY_NOTIFY_SENDMSG &&
+		    added_zcopy_info)
+			do_recv_completions2();
+
 		while (!do_poll(fd, POLLOUT)) {
-			if (cfg_zerocopy)
+			if (cfg_zerocopy == MSG_ZEROCOPY_NOTIFY_ERRQUEUE)
 				do_recv_completions(fd, domain);
 		}
 
@@ -715,7 +797,7 @@ static void parse_opts(int argc, char **argv)
 
 	cfg_payload_len = max_payload_len;
 
-	while ((c = getopt(argc, argv, "46c:C:D:i:l:mp:rs:S:t:vz")) != -1) {
+	while ((c = getopt(argc, argv, "46c:C:D:i:l:mnp:rs:S:t:vz")) != -1) {
 		switch (c) {
 		case '4':
 			if (cfg_family != PF_UNSPEC)
@@ -749,6 +831,9 @@ static void parse_opts(int argc, char **argv)
 		case 'm':
 			cfg_cork_mixed = true;
 			break;
+		case 'n':
+			cfg_zerocopy = MSG_ZEROCOPY_NOTIFY_SENDMSG;
+			break;
 		case 'p':
 			cfg_port = strtoul(optarg, NULL, 0);
 			break;
@@ -768,7 +853,7 @@ static void parse_opts(int argc, char **argv)
 			cfg_verbose++;
 			break;
 		case 'z':
-			cfg_zerocopy = true;
+			cfg_zerocopy = MSG_ZEROCOPY_NOTIFY_ERRQUEUE;
 			break;
 		}
 	}
@@ -779,6 +864,8 @@ static void parse_opts(int argc, char **argv)
 			error(1, 0, "-D <server addr> required for PF_RDS\n");
 		if (!cfg_rx && !saddr)
 			error(1, 0, "-S <client addr> required for PF_RDS\n");
+		if (cfg_zerocopy == MSG_ZEROCOPY_NOTIFY_SENDMSG)
+			error(1, 0, "PF_RDS does not support ZC_NOTIF_SENDMSG");
 	}
 	setup_sockaddr(cfg_family, daddr, &cfg_dst_addr);
 	setup_sockaddr(cfg_family, saddr, &cfg_src_addr);
diff --git a/tools/testing/selftests/net/msg_zerocopy.sh b/tools/testing/selftests/net/msg_zerocopy.sh
index 89c22f5320e0..022a6936d86f 100755
--- a/tools/testing/selftests/net/msg_zerocopy.sh
+++ b/tools/testing/selftests/net/msg_zerocopy.sh
@@ -118,4 +118,5 @@ do_test() {
 
 do_test "${EXTRA_ARGS}"
 do_test "-z ${EXTRA_ARGS}"
+do_test "-n ${EXTRA_ARGS}"
 echo ok
