diff --git a/candm.h b/candm.h
index 5fe1222..65daedf 100644
--- a/candm.h
+++ b/candm.h
@@ -540,7 +540,8 @@ typedef struct {
 #define RPY_SELECT_DATA 23
 #define RPY_SERVER_STATS3 24
 #define RPY_SERVER_STATS4 25
-#define N_REPLY_TYPES 26
+#define RPY_NTP_DATA2 26
+#define N_REPLY_TYPES 27
 
 /* Status codes */
 #define STT_SUCCESS 0
@@ -763,7 +764,11 @@ typedef struct {
   uint32_t total_rx_count;
   uint32_t total_valid_count;
   uint32_t total_good_count;
-  uint32_t reserved[3];
+  uint32_t total_kernel_tx_ts;
+  uint32_t total_kernel_rx_ts;
+  uint32_t total_hw_tx_ts;
+  uint32_t total_hw_rx_ts;
+  uint32_t reserved[4];
   int32_t EOR;
 } RPY_NTPData;
 
diff --git a/client.c b/client.c
index d5e3be7..5ead2b0 100644
--- a/client.c
+++ b/client.c
@@ -2331,7 +2331,7 @@ process_cmd_ntpdata(char *line)
 
     request.command = htons(REQ_NTP_DATA);
     UTI_IPHostToNetwork(&remote_addr, &request.data.ntp_data.ip_addr);
-    if (!request_reply(&request, &reply, RPY_NTP_DATA, 0))
+    if (!request_reply(&request, &reply, RPY_NTP_DATA2, 0))
       return 0;
 
     UTI_IPNetworkToHost(&reply.data.ntp_data.remote_addr, &remote_addr);
@@ -2367,7 +2367,11 @@ process_cmd_ntpdata(char *line)
                  "Total TX        : %U\n"
                  "Total RX        : %U\n"
                  "Total valid RX  : %U\n"
-                 "Total good RX   : %U\n",
+                 "Total good RX   : %U\n"
+                 "Total kernel TX : %U\n"
+                 "Total kernel RX : %U\n"
+                 "Total HW TX     : %U\n"
+                 "Total HW RX     : %U\n",
                  UTI_IPToString(&remote_addr), UTI_IPToRefid(&remote_addr),
                  ntohs(reply.data.ntp_data.remote_port),
                  UTI_IPToString(&local_addr), UTI_IPToRefid(&local_addr),
@@ -2395,6 +2399,10 @@ process_cmd_ntpdata(char *line)
                  ntohl(reply.data.ntp_data.total_rx_count),
                  ntohl(reply.data.ntp_data.total_valid_count),
                  ntohl(reply.data.ntp_data.total_good_count),
+                 ntohl(reply.data.ntp_data.total_kernel_tx_ts),
+                 ntohl(reply.data.ntp_data.total_kernel_rx_ts),
+                 ntohl(reply.data.ntp_data.total_hw_tx_ts),
+                 ntohl(reply.data.ntp_data.total_hw_rx_ts),
                  REPORT_END);
   }
 
diff --git a/cmdmon.c b/cmdmon.c
index c5b00a4..0a0193b 100644
--- a/cmdmon.c
+++ b/cmdmon.c
@@ -1230,7 +1230,7 @@ handle_ntp_data(CMD_Request *rx_message, CMD_Reply *tx_message)
     return;
   }
 
-  tx_message->reply = htons(RPY_NTP_DATA);
+  tx_message->reply = htons(RPY_NTP_DATA2);
   UTI_IPHostToNetwork(&report.remote_addr, &tx_message->data.ntp_data.remote_addr);
   UTI_IPHostToNetwork(&report.local_addr, &tx_message->data.ntp_data.local_addr);
   tx_message->data.ntp_data.remote_port = htons(report.remote_port);
@@ -1258,6 +1258,10 @@ handle_ntp_data(CMD_Request *rx_message, CMD_Reply *tx_message)
   tx_message->data.ntp_data.total_rx_count = htonl(report.total_rx_count);
   tx_message->data.ntp_data.total_valid_count = htonl(report.total_valid_count);
   tx_message->data.ntp_data.total_good_count = htonl(report.total_good_count);
+  tx_message->data.ntp_data.total_kernel_tx_ts = htonl(report.total_kernel_tx_ts);
+  tx_message->data.ntp_data.total_kernel_rx_ts = htonl(report.total_kernel_rx_ts);
+  tx_message->data.ntp_data.total_hw_tx_ts = htonl(report.total_hw_tx_ts);
+  tx_message->data.ntp_data.total_hw_rx_ts = htonl(report.total_hw_rx_ts);
   memset(tx_message->data.ntp_data.reserved, 0xff, sizeof (tx_message->data.ntp_data.reserved));
 }
 
diff --git a/doc/chronyc.adoc b/doc/chronyc.adoc
index 96a0551..8e0d426 100644
--- a/doc/chronyc.adoc
+++ b/doc/chronyc.adoc
@@ -689,6 +689,10 @@ Total TX        : 24
 Total RX        : 24
 Total valid RX  : 24
 Total good RX   : 22
+Total kernel TX : 24
+Total kernel RX : 24
+Total HW TX     : 0
+Total HW RX     : 0
 ----
 +
 The fields are explained as follows:
@@ -746,6 +750,18 @@ The number of packets which passed the first two groups of NTP tests.
 *Total good RX*:::
 The number of packets which passed all three groups of NTP tests, i.e. the NTP
 measurement was accepted.
+*Total kernel TX*:::
+The number of packets sent to the source for which a timestamp was captured by
+the kernel.
+*Total kernel RX*:::
+The number of packets received from the source for which a timestamp was
+captured by the kernel.
+*Total HW TX*:::
+The number of packets sent to the source for which a timestamp was captured by
+the NIC.
+*Total HW RX*:::
+The number of packets received from the source for which a timestamp was
+captured by the NIC.
 
 [[add_peer]]*add peer* _name_ [_option_]...::
 The *add peer* command allows a new NTP peer to be added whilst
diff --git a/pktlength.c b/pktlength.c
index d7ed272..3e0b319 100644
--- a/pktlength.c
+++ b/pktlength.c
@@ -149,7 +149,7 @@ static const uint16_t reply_lengths[] = {
   RPY_LENGTH_ENTRY(smoothing),                  /* SMOOTHING */
   0,                                            /* SERVER_STATS - not supported */
   0,                                            /* CLIENT_ACCESSES_BY_INDEX2 - not supported */
-  RPY_LENGTH_ENTRY(ntp_data),                   /* NTP_DATA */
+  0,                                            /* NTP_DATA - not supported */
   RPY_LENGTH_ENTRY(manual_timestamp),           /* MANUAL_TIMESTAMP2 */
   RPY_LENGTH_ENTRY(manual_list),                /* MANUAL_LIST2 */
   RPY_LENGTH_ENTRY(ntp_source_name),            /* NTP_SOURCE_NAME */
@@ -159,6 +159,7 @@ static const uint16_t reply_lengths[] = {
   RPY_LENGTH_ENTRY(select_data),                /* SELECT_DATA */
   0,                                            /* SERVER_STATS3 - not supported */
   RPY_LENGTH_ENTRY(server_stats),               /* SERVER_STATS4 */
+  RPY_LENGTH_ENTRY(ntp_data),                   /* NTP_DATA2 */
 };
 
 /* ================================================== */
diff --git a/test/simulation/110-chronyc b/test/simulation/110-chronyc
index 3cd1788..a261e7a 100755
--- a/test/simulation/110-chronyc
+++ b/test/simulation/110-chronyc
@@ -247,6 +247,10 @@ Total TX        : 1
 Total RX        : 1
 Total valid RX  : 1
 Total good RX   : 0
+Total kernel TX : [01]
+Total kernel RX : 1
+Total HW TX     : 0
+Total HW RX     : 0
 S Name/IP Address        Auth COpts EOpts Last Score     Interval  Leap
 =======================================================================
 M node1\.net1\.clk            N ----- -----    0   1\.0    \+0ns    \+0ns  N
diff --git a/test/system/007-cmdmon b/test/system/007-cmdmon
index f9541d3..8599503 100755
--- a/test/system/007-cmdmon
+++ b/test/system/007-cmdmon
@@ -97,7 +97,11 @@ RX timestamping : (Daemon|Kernel)
 Total TX        : [0-9]+
 Total RX        : [0-9]+
 Total valid RX  : [0-9]+
-Total good RX   : [0-9]+$" || test_fail
+Total good RX   : [0-9]+
+Total kernel TX : [0-9]+
+Total kernel RX : [0-9]+
+Total HW TX     : 0
+Total HW RX     : 0$" || test_fail
 
 run_chronyc "selectdata" || test_fail
 check_chronyc_output "^S Name/IP Address        Auth COpts EOpts Last Score     Interval  Leap