qos: QoS dump APIs

Type: feature

Change-Id: I514b40026986f3828c8727453456b20a0a45f3af
Signed-off-by: Neale Ranns <nranns@cisco.com>

8 files changed, 597 insertions, 119 deletions

diff --git a/src/vnet/qos/qos.api b/src/vnet/qos/qos.api
index 1960ccb9548..11c91638c5b 100644
--- a/src/vnet/qos/qos.api
+++ b/src/vnet/qos/qos.api
@@ -22,7 +22,7 @@
 
 option version = "1.0.0";
 
-enum qos_source
+enum qos_source : u8
 {
   QOS_API_SOURCE_EXT = 0,
   QOS_API_SOURCE_VLAN = 1,
@@ -30,76 +30,164 @@ enum qos_source
   QOS_API_SOURCE_IP = 3,
 };
 
-/** \brief Enable/Disable QoS recording
-    The QoS bits from the packet at the specified input layer are copied
-    into the packet. Recording should be used in conjunction with marking
-    @param sw_if_index - The interface on which recording is enabled.
-    @param enable - enable=1 or disable the feature
-    @param input_source - The input source/layer at which the QoS bits
-                          are copied from the packet. See qos_source_t.
-*/
+/**
+ * QoS recording.
+ * @param sw_if_index - The interface on which recording is enabled.
+ * @param input_source - The input source/layer at which the QoS bits
+                         are copied from the packet. See qos_source_t.
+ */
+typedef qos_record
+{
+  u32 sw_if_index;
+  vl_api_qos_source_t input_source;
+};
+
+/**
+ * Enable/Disable QoS recording
+ * The QoS bits from the packet at the specified input layer are copied
+ * into the packet. Recording should be used in conjunction with marking
+ * @param enable - enable=1 or disable the feature
+ * @param record - Recording configuration
+ */
 autoreply define qos_record_enable_disable
 {
   u32 client_index;
   u32 context;
-  u32 sw_if_index;
-  vl_api_qos_source_t input_source;
   u8 enable;
+  vl_api_qos_record_t record;
 };
 
-/** \brief A row within a QoS map
-    Each value translates from an input value to an output.
-*/
-typeonly define qos_egress_map_row
+/**
+ * Dump the QoS record configs
+ */
+define qos_record_dump
 {
-  u8  outputs[256];
+  u32 client_index;
+  u32 context;
 };
 
-/** \brief Update a QoS Map
-    A QoS map, translates from the QoS value in the packet set by the 'record'
-    feature, to the value used for output in the 'mark' feature.
-    There is one row in the map for each input/record source.
-    The MAP is then applied to the egress interface at for a given output source
-    @param map_id - client provided identifier for the map
-    @param rows - one row (per-input source) of output values
-*/
+/**
+ * Details of QoS recording configs
+ */
+define qos_record_details
+{
+  u32 context;
+  vl_api_qos_record_t record;
+};
+
+/**
+ * @brief A row within a QoS map
+ *  Each value translates from an input value to an output.
+ */
+typedef qos_egress_map_row
+{
+  u8 outputs[256];
+};
+
+/**
+ * QoS Translation Map
+ *
+ * @param id - client provided identifier for the map
+ * @param rows - one row (per-input source) of output values
+ */
+typedef qos_egress_map
+{
+  u32 id;
+  vl_api_qos_egress_map_row_t rows[4];
+};
+
+/**
+ *  @brief Update a QoS Map
+ *   A QoS map, translates from the QoS value in the packet set by the 'record'
+ *   feature, to the value used for output in the 'mark' feature.
+ *   There is one row in the map for each input/record source.
+ *   The MAP is then applied to the egress interface at for a given output source
+ * @param map - The Map
+ */
 autoreply define qos_egress_map_update
 {
   u32 client_index;
   u32 context;
-  u32 map_id;
-  vl_api_qos_egress_map_row_t rows[4];
+  vl_api_qos_egress_map_t map;
 };
 
-/** \brief Delete a Qos Map
-    @param map_id - ID of the map to delete
-*/
+/**
+ * @brief Delete a Qos Map
+ * @param map_id - ID of the map to delete
+ */
 autoreply define qos_egress_map_delete
 {
   u32 client_index;
   u32 context;
-  u32 map_id;
+  u32 id;
 };
 
-/** \brief Enable/Disable QoS marking
-    The QoS bits from the packet are mapped (using the desired egress map)
-    into the header of the 'output-source'. Marking should be used in
-    conjunction with recording
-    @param sw_if_index - The interface on which recording is enabled.
-    @param enable - enable=1 or disable the feature
-    @param output_source - The output source/layer at which the QoS bits
-                           are written into the packet. See qos_source_t.
-    @param map_id - The ID of the MAP in which the translation from input
-                    to output is performed.
-*/
-autoreply define qos_mark_enable_disable
+/**
+ * Dump the QoS egress maps
+ */
+define qos_egress_map_dump
 {
   u32 client_index;
   u32 context;
-  u32 map_id;
+};
+
+/**
+ * QoS map details
+ */
+define qos_egress_map_details
+{
+  u32 context;
+  vl_api_qos_egress_map_t map;
+};
+
+/**
+ * QoS marking Cponfiguration
+ * The QoS bits from the buffer are mapped (using the desired egress map)
+ * into the header of the 'output-source'. Marking should be used in
+ * conjunction with recording
+ * @param sw_if_index - The interface on which recording is enabled.
+ * @param output_source - The output source/layer at which the QoS bits
+ *                        are written into the packet. See qos_source_t.
+ * @param map_id - The ID of the MAP in which the translation from input
+ *                 to output is performed.
+ */
+typedef qos_mark
+{
   u32 sw_if_index;
+  u32 map_id;
   vl_api_qos_source_t output_source;
+};
+
+/**
+ * @brief Enable/Disable QoS marking
+ * @param enable - enable=1 or disable the feature
+ * @param mark - Marking config
+ */
+autoreply define qos_mark_enable_disable
+{
+  u32 client_index;
+  u32 context;
   u8 enable;
+  vl_api_qos_mark_t mark;
+};
+
+/**
+ * Dump QoS marking configs
+ */
+define qos_mark_dump
+{
+  u32 client_index;
+  u32 context;
+  u32 sw_if_index;
+};
+
+/**
+ * QoS marking details
+ */
+autoreply define qos_mark_details
+{
+  u32 context;
+  vl_api_qos_mark_t mark;
 };
 
 /*
diff --git a/src/vnet/qos/qos_api.c b/src/vnet/qos/qos_api.c
index 6297c24a843..966ffcce395 100644
--- a/src/vnet/qos/qos_api.c
+++ b/src/vnet/qos/qos_api.c
@@ -44,15 +44,16 @@
 
 #define foreach_qos_api_msg                                             \
   _(QOS_RECORD_ENABLE_DISABLE, qos_record_enable_disable)               \
+  _(QOS_RECORD_DUMP, qos_record_dump)                                   \
   _(QOS_EGRESS_MAP_DELETE, qos_egress_map_delete)                       \
   _(QOS_EGRESS_MAP_UPDATE, qos_egress_map_update)                       \
-  _(QOS_MARK_ENABLE_DISABLE, qos_mark_enable_disable)
+  _(QOS_EGRESS_MAP_DUMP, qos_egress_map_dump)                           \
+  _(QOS_MARK_ENABLE_DISABLE, qos_mark_enable_disable)                   \
+  _(QOS_MARK_DUMP, qos_mark_dump)
 
 static int
 qos_source_decode (vl_api_qos_source_t v, qos_source_t * q)
 {
-  v = ntohl (v);
-
   switch (v)
     {
     case QOS_API_SOURCE_EXT:
@@ -72,6 +73,12 @@ qos_source_decode (vl_api_qos_source_t v, qos_source_t * q)
   return (VNET_API_ERROR_INVALID_VALUE);
 }
 
+static vl_api_qos_source_t
+qos_source_encode (qos_source_t q)
+{
+  return ((vl_api_qos_source_t) q);
+}
+
 void
 vl_api_qos_record_enable_disable_t_handler (vl_api_qos_record_enable_disable_t
 					    * mp)
@@ -80,19 +87,63 @@ vl_api_qos_record_enable_disable_t_handler (vl_api_qos_record_enable_disable_t
   qos_source_t qs;
   int rv = 0;
 
-  rv = qos_source_decode (mp->input_source, &qs);
+  VALIDATE_SW_IF_INDEX (&(mp->record));
+
+  rv = qos_source_decode (mp->record.input_source, &qs);
 
   if (0 == rv)
     {
       if (mp->enable)
-	rv = qos_record_enable (ntohl (mp->sw_if_index), qs);
+	rv = qos_record_enable (ntohl (mp->record.sw_if_index), qs);
       else
-	rv = qos_record_disable (ntohl (mp->sw_if_index), qs);
+	rv = qos_record_disable (ntohl (mp->record.sw_if_index), qs);
     }
 
+  BAD_SW_IF_INDEX_LABEL;
   REPLY_MACRO (VL_API_QOS_RECORD_ENABLE_DISABLE_REPLY);
 }
 
+typedef struct qos_record_send_walk_ctx_t_
+{
+  vl_api_registration_t *reg;
+  u32 context;
+} qos_record_send_walk_ctx_t;
+
+static walk_rc_t
+send_qos_record_details (u32 sw_if_index, qos_source_t input_source, void *c)
+{
+  qos_record_send_walk_ctx_t *ctx;
+  vl_api_qos_record_details_t *mp;
+
+  ctx = c;
+  mp = vl_msg_api_alloc_zero (sizeof (*mp));
+
+  mp->_vl_msg_id = ntohs (VL_API_QOS_RECORD_DETAILS);
+  mp->context = ctx->context;
+  mp->record.sw_if_index = htonl (sw_if_index);
+  mp->record.input_source = qos_source_encode (input_source);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_qos_record_dump_t_handler (vl_api_qos_record_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  qos_record_send_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+  qos_record_walk (send_qos_record_details, &ctx);
+}
+
 void
 vl_api_qos_egress_map_update_t_handler (vl_api_qos_egress_map_update_t * mp)
 {
@@ -102,7 +153,8 @@ vl_api_qos_egress_map_update_t_handler (vl_api_qos_egress_map_update_t * mp)
 
   FOR_EACH_QOS_SOURCE (qs)
   {
-    qos_egress_map_update (ntohl (mp->map_id), qs, &mp->rows[qs].outputs[0]);
+    qos_egress_map_update (ntohl (mp->map.id), qs,
+			   &mp->map.rows[qs].outputs[0]);
   }
 
   REPLY_MACRO (VL_API_QOS_EGRESS_MAP_UPDATE_REPLY);
@@ -114,33 +166,121 @@ vl_api_qos_egress_map_delete_t_handler (vl_api_qos_egress_map_delete_t * mp)
   vl_api_qos_egress_map_delete_reply_t *rmp;
   int rv = 0;
 
-  qos_egress_map_delete (ntohl (mp->map_id));
+  qos_egress_map_delete (ntohl (mp->id));
 
   REPLY_MACRO (VL_API_QOS_EGRESS_MAP_DELETE_REPLY);
 }
 
+typedef struct qos_egress_map_send_walk_ctx_t_
+{
+  vl_api_registration_t *reg;
+  u32 context;
+} qos_egress_map_send_walk_ctx_t;
+
+static walk_rc_t
+send_qos_egress_map_details (qos_egress_map_id_t id,
+			     const qos_egress_map_t * m, void *c)
+{
+  qos_egress_map_send_walk_ctx_t *ctx;
+  vl_api_qos_egress_map_details_t *mp;
+  u8 ii;
+
+  ctx = c;
+  mp = vl_msg_api_alloc_zero (sizeof (*mp));
+
+  mp->_vl_msg_id = ntohs (VL_API_QOS_EGRESS_MAP_DETAILS);
+  mp->context = ctx->context;
+  mp->map.id = htonl (id);
+
+  for (ii = 0; ii < 4; ii++)
+    clib_memcpy (mp->map.rows[ii].outputs, m->qem_output[ii], 256);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_qos_egress_map_dump_t_handler (vl_api_qos_egress_map_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  qos_egress_map_send_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+  qos_egress_map_walk (send_qos_egress_map_details, &ctx);
+}
+
 void
-  vl_api_qos_mark_enable_disable_t_handler
-  (vl_api_qos_mark_enable_disable_t * mp)
+vl_api_qos_mark_enable_disable_t_handler (vl_api_qos_mark_enable_disable_t *
+					  mp)
 {
   vl_api_qos_mark_enable_disable_reply_t *rmp;
   qos_source_t qs;
   int rv = 0;
 
-  rv = qos_source_decode (mp->output_source, &qs);
+  rv = qos_source_decode (mp->mark.output_source, &qs);
 
   if (0 == rv)
     {
       if (mp->enable)
-	rv =
-	  qos_mark_enable (ntohl (mp->sw_if_index), qs, ntohl (mp->map_id));
+	rv = qos_mark_enable (ntohl (mp->mark.sw_if_index),
+			      qs, ntohl (mp->mark.map_id));
       else
-	rv = qos_mark_disable (ntohl (mp->sw_if_index), qs);
+	rv = qos_mark_disable (ntohl (mp->mark.sw_if_index), qs);
     }
 
   REPLY_MACRO (VL_API_QOS_MARK_ENABLE_DISABLE_REPLY);
 }
 
+typedef struct qos_mark_send_walk_ctx_t_
+{
+  vl_api_registration_t *reg;
+  u32 context;
+} qos_mark_send_walk_ctx_t;
+
+static walk_rc_t
+send_qos_mark_details (u32 sw_if_index,
+		       u32 map_id, qos_source_t output_source, void *c)
+{
+  qos_mark_send_walk_ctx_t *ctx;
+  vl_api_qos_mark_details_t *mp;
+
+  ctx = c;
+  mp = vl_msg_api_alloc_zero (sizeof (*mp));
+
+  mp->_vl_msg_id = ntohs (VL_API_QOS_MARK_DETAILS);
+  mp->context = ctx->context;
+  mp->mark.sw_if_index = htonl (sw_if_index);
+  mp->mark.output_source = qos_source_encode (output_source);
+  mp->mark.map_id = htonl (map_id);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_qos_mark_dump_t_handler (vl_api_qos_mark_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  qos_mark_send_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+  qos_mark_walk (send_qos_mark_details, &ctx);
+}
+
 #define vl_msg_name_crc_list
 #include <vnet/qos/qos.api.h>
 #undef vl_msg_name_crc_list
diff --git a/src/vnet/qos/qos_egress_map.c b/src/vnet/qos/qos_egress_map.c
index 158ff8445c6..7985579d3cf 100644
--- a/src/vnet/qos/qos_egress_map.c
+++ b/src/vnet/qos/qos_egress_map.c
@@ -41,6 +41,23 @@ qos_egress_map_find (qos_egress_map_id_t mid)
   return (INDEX_INVALID);
 }
 
+qos_egress_map_id_t
+qos_egress_map_get_id (index_t qemi)
+{
+  qos_egress_map_id_t qid;
+  index_t qmi;
+
+  /* *INDENT-OFF* */
+  hash_foreach(qid, qmi, qem_db,
+  ({
+    if (qmi == qemi)
+      return (qid);
+  }));
+  /* *INDENT-OFF* */
+
+  return (~0);
+}
+
 qos_egress_map_t *
 qos_egress_map_find_i (qos_egress_map_id_t mid)
 {
@@ -106,6 +123,20 @@ qos_egress_map_delete (qos_egress_map_id_t mid)
     }
 }
 
+void
+qos_egress_map_walk (qos_egress_map_walk_cb_t fn, void *c)
+{
+  qos_egress_map_id_t qid;
+  index_t qmi;
+
+  /* *INDENT-OFF* */
+  hash_foreach(qid, qmi, qem_db,
+  ({
+    fn(qid, pool_elt_at_index(qem_pool, qmi), c);
+  }));
+  /* *INDENT-OFF* */
+}
+
 static clib_error_t *
 qos_egress_map_update_cli (vlib_main_t * vm,
 			   unformat_input_t * input, vlib_cli_command_t * cmd)
@@ -159,55 +190,54 @@ VLIB_CLI_COMMAND (qos_egress_map_update_command, static) = {
 };
 /* *INDENT-ON* */
 
-u8 *
-format_qos_egress_map (u8 * s, va_list * args)
-{
-  qos_egress_map_t *qem = va_arg (*args, qos_egress_map_t *);
-  u32 indent = va_arg (*args, u32);
-  int qs;
-  u32 ii;
-
-  FOR_EACH_QOS_SOURCE (qs)
+  u8 *format_qos_egress_map (u8 * s, va_list * args)
   {
-    s = format (s, "%U%U:[",
-		format_white_space, indent, format_qos_source, qs);
-
-    for (ii = 0; ii < ARRAY_LEN (qem->qem_output[qs]) - 1; ii++)
-      {
-	s = format (s, "%d,", qem->qem_output[qs][ii]);
-      }
-    s = format (s, "%d]\n", qem->qem_output[qs][ii]);
-  }
+    qos_egress_map_t *qem = va_arg (*args, qos_egress_map_t *);
+    u32 indent = va_arg (*args, u32);
+    int qs;
+    u32 ii;
 
-  return (s);
-}
-
-static clib_error_t *
-qos_egress_map_show (vlib_main_t * vm,
-		     unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  qos_egress_map_id_t map_id;
-  qos_egress_map_t *qem;
-  clib_error_t *error;
-
-  map_id = ~0;
-  qem = NULL;
-  error = NULL;
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    FOR_EACH_QOS_SOURCE (qs)
     {
-      if (unformat (input, "id %d", &map_id))
-	;
-      else
+      s = format (s, "%U%U:[",
+		  format_white_space, indent, format_qos_source, qs);
+
+      for (ii = 0; ii < ARRAY_LEN (qem->qem_output[qs]) - 1; ii++)
 	{
-	  error = unformat_parse_error (input);
-	  goto done;
+	  s = format (s, "%d,", qem->qem_output[qs][ii]);
 	}
+      s = format (s, "%d]\n", qem->qem_output[qs][ii]);
     }
 
-  if (~0 == map_id)
-    {
-      index_t qemi;
+    return (s);
+  }
+
+  static clib_error_t *qos_egress_map_show (vlib_main_t * vm,
+					    unformat_input_t * input,
+					    vlib_cli_command_t * cmd)
+  {
+    qos_egress_map_id_t map_id;
+    qos_egress_map_t *qem;
+    clib_error_t *error;
+
+    map_id = ~0;
+    qem = NULL;
+    error = NULL;
+
+    while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+      {
+	if (unformat (input, "id %d", &map_id))
+	  ;
+	else
+	  {
+	    error = unformat_parse_error (input);
+	    goto done;
+	  }
+      }
+
+    if (~0 == map_id)
+      {
+	index_t qemi;
 
       /* *INDENT-OFF* */
       hash_foreach(map_id, qemi, qem_db,
@@ -218,25 +248,25 @@ qos_egress_map_show (vlib_main_t * vm,
                            pool_elt_at_index(qem_pool, qemi), 2);
       }));
       /* *INDENT-ON* */
-    }
-  else
-    {
-      qem = qos_egress_map_find_i (map_id);
-
-      if (NULL == qem)
-	{
-	  error = clib_error_return (0, "No Map for ID %d", map_id);
-	}
-      else
-	{
-	  vlib_cli_output (vm, " Map-ID:%d\n%U",
-			   map_id, format_qos_egress_map, qem, 2);
-	}
-    }
+      }
+    else
+      {
+	qem = qos_egress_map_find_i (map_id);
+
+	if (NULL == qem)
+	  {
+	    error = clib_error_return (0, "No Map for ID %d", map_id);
+	  }
+	else
+	  {
+	    vlib_cli_output (vm, " Map-ID:%d\n%U",
+			     map_id, format_qos_egress_map, qem, 2);
+	  }
+      }
 
-done:
-  return (error);
-}
+  done:
+    return (error);
+  }
 
 /*?
  * Show Egress Qos Maps
diff --git a/src/vnet/qos/qos_egress_map.h b/src/vnet/qos/qos_egress_map.h
index 3b6e0b45a43..0dab7adc2dd 100644
--- a/src/vnet/qos/qos_egress_map.h
+++ b/src/vnet/qos/qos_egress_map.h
@@ -66,6 +66,15 @@ extern void qos_egress_map_delete (qos_egress_map_id_t tid);
  * Get the VPP QoS map index from the user's map-ID
  */
 extern index_t qos_egress_map_find (qos_egress_map_id_t tid);
+extern qos_egress_map_id_t qos_egress_map_get_id (index_t qemi);
+
+/**
+ * Walk each of the configured maps
+ */
+typedef walk_rc_t (*qos_egress_map_walk_cb_t) (qos_egress_map_id_t id,
+					       const qos_egress_map_t * m,
+					       void *c);
+void qos_egress_map_walk (qos_egress_map_walk_cb_t fn, void *c);
 
 /**
  * Data-plane functions
diff --git a/src/vnet/qos/qos_mark.c b/src/vnet/qos/qos_mark.c
index dcb0f9d1ab3..44bb34bd010 100644
--- a/src/vnet/qos/qos_mark.c
+++ b/src/vnet/qos/qos_mark.c
@@ -117,6 +117,24 @@ qos_mark_disable (u32 sw_if_index, qos_source_t output_source)
   return (0);
 }
 
+void
+qos_mark_walk (qos_mark_walk_cb_t fn, void *c)
+{
+  qos_source_t qs;
+
+  FOR_EACH_QOS_SOURCE (qs)
+  {
+    u32 sw_if_index;
+
+    vec_foreach_index (sw_if_index, qos_mark_configs[qs])
+    {
+      if (INDEX_INVALID != qos_mark_configs[qs][sw_if_index])
+	fn (sw_if_index,
+	    qos_egress_map_get_id (qos_mark_configs[qs][sw_if_index]), qs, c);
+    }
+  }
+}
+
 static clib_error_t *
 qos_mark_cli (vlib_main_t * vm,
 	      unformat_input_t * input, vlib_cli_command_t * cmd)
@@ -178,6 +196,90 @@ VLIB_CLI_COMMAND (qos_egress_map_interface_command, static) = {
 };
 /* *INDENT-ON* */
 
+static void
+qos_mark_show_one_interface (vlib_main_t * vm, u32 sw_if_index)
+{
+  index_t qemis[QOS_N_SOURCES];
+  qos_source_t qs;
+  bool set;
+
+  set = false;
+  clib_memset_u32 (qemis, INDEX_INVALID, QOS_N_SOURCES);
+
+  FOR_EACH_QOS_SOURCE (qs)
+  {
+    if (vec_len (qos_mark_configs[qs]) <= sw_if_index)
+      continue;
+    if (INDEX_INVALID != (qemis[qs] = qos_mark_configs[qs][sw_if_index]))
+      set = true;
+  }
+
+  if (set)
+    {
+      vlib_cli_output (vm, " %U:", format_vnet_sw_if_index_name,
+		       vnet_get_main (), sw_if_index);
+
+      FOR_EACH_QOS_SOURCE (qs)
+      {
+	if (qemis[qs] != INDEX_INVALID)
+	  vlib_cli_output (vm, "  %U: map:%d", format_qos_source, qs,
+			   qemis[qs]);
+      }
+    }
+}
+
+static clib_error_t *
+qos_mark_show (vlib_main_t * vm,
+	       unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  vnet_main_t *vnm = vnet_get_main ();
+  qos_source_t qs;
+  u32 sw_if_index;
+
+  sw_if_index = ~0;
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (input, "%U", unformat_vnet_sw_interface,
+		    vnm, &sw_if_index))
+	;
+    }
+
+  if (~0 == sw_if_index)
+    {
+      u32 ii, n_ints = 0;
+
+      FOR_EACH_QOS_SOURCE (qs)
+      {
+	n_ints = clib_max (n_ints, vec_len (qos_mark_configs[qs]));
+      }
+
+      for (ii = 0; ii < n_ints; ii++)
+	{
+	  qos_mark_show_one_interface (vm, ii);
+	}
+    }
+  else
+    qos_mark_show_one_interface (vm, sw_if_index);
+
+  return (NULL);
+}
+
+/*?
+ * Show Egress Qos Maps
+ *
+ * @cliexpar
+ * @cliexcmd{show qos egress map}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (qos_mark_show_command, static) = {
+  .path = "show qos mark",
+  .short_help = "show qos mark [interface]",
+  .function = qos_mark_show,
+  .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
+
 /*
  * fd.io coding-style-patch-verification: ON
  *
diff --git a/src/vnet/qos/qos_mark.h b/src/vnet/qos/qos_mark.h
index f1705d1bb33..91e2024af94 100644
--- a/src/vnet/qos/qos_mark.h
+++ b/src/vnet/qos/qos_mark.h
@@ -28,6 +28,12 @@ extern int qos_mark_enable (u32 sw_if_index,
 			    qos_egress_map_id_t tid);
 extern int qos_mark_disable (u32 sw_if_index, qos_source_t output_source);
 
+typedef walk_rc_t (*qos_mark_walk_cb_t) (u32 sw_if_index,
+					 u32 map_id,
+					 qos_source_t input_source,
+					 void *ctx);
+void qos_mark_walk (qos_mark_walk_cb_t fn, void *c);
+
 #endif
 
 /*
diff --git a/src/vnet/qos/qos_record.c b/src/vnet/qos/qos_record.c
index 20d0b5bf4f5..40e6b0778bb 100644
--- a/src/vnet/qos/qos_record.c
+++ b/src/vnet/qos/qos_record.c
@@ -100,6 +100,23 @@ qos_record_disable (u32 sw_if_index, qos_source_t input_source)
   return (0);
 }
 
+void
+qos_record_walk (qos_record_walk_cb_t fn, void *c)
+{
+  qos_source_t qs;
+
+  FOR_EACH_QOS_SOURCE (qs)
+  {
+    u32 sw_if_index;
+
+    vec_foreach_index (sw_if_index, qos_record_configs[qs])
+    {
+      if (0 != qos_record_configs[qs][sw_if_index])
+	fn (sw_if_index, qs, c);
+    }
+  }
+}
+
 /*
  * Disable recording feature for all protocols when the interface
  * is deleted
@@ -124,7 +141,7 @@ qos_record_ip_interface_add_del (vnet_main_t * vnm,
 VNET_SW_INTERFACE_ADD_DEL_FUNCTION (qos_record_ip_interface_add_del);
 
 clib_error_t *
-l2_ip_qos_init (vlib_main_t * vm)
+qos_record_init (vlib_main_t * vm)
 {
   qos_source_t qs;
   vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "l2-ip-qos-record");
@@ -139,7 +156,7 @@ l2_ip_qos_init (vlib_main_t * vm)
   return 0;
 }
 
-VLIB_INIT_FUNCTION (l2_ip_qos_init);
+VLIB_INIT_FUNCTION (qos_record_init);
 
 static clib_error_t *
 qos_record_cli (vlib_main_t * vm,
@@ -199,6 +216,87 @@ VLIB_CLI_COMMAND (qos_record_command, static) = {
 };
 /* *INDENT-ON* */
 
+static void
+qos_record_show_one_interface (vlib_main_t * vm, u32 sw_if_index)
+{
+  u8 n_cfgs[QOS_N_SOURCES] = { };
+  qos_source_t qs;
+  bool set;
+
+  set = false;
+
+  FOR_EACH_QOS_SOURCE (qs)
+  {
+    if (vec_len (qos_record_configs[qs]) <= sw_if_index)
+      continue;
+    if (0 != (n_cfgs[qs] = qos_record_configs[qs][sw_if_index]))
+      set = true;
+  }
+
+  if (set)
+    {
+      vlib_cli_output (vm, " %U:", format_vnet_sw_if_index_name,
+		       vnet_get_main (), sw_if_index);
+
+      FOR_EACH_QOS_SOURCE (qs)
+      {
+	if (n_cfgs[qs] != 0)
+	  vlib_cli_output (vm, "  %U", format_qos_source, qs);
+      }
+    }
+}
+
+static clib_error_t *
+qos_record_show (vlib_main_t * vm,
+		 unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  vnet_main_t *vnm = vnet_get_main ();
+  qos_source_t qs;
+  u32 sw_if_index;
+
+  sw_if_index = ~0;
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (input, "%U", unformat_vnet_sw_interface,
+		    vnm, &sw_if_index))
+	;
+    }
+
+  if (~0 == sw_if_index)
+    {
+      u32 ii, n_ints = 0;
+
+      FOR_EACH_QOS_SOURCE (qs)
+      {
+	n_ints = clib_max (n_ints, vec_len (qos_record_configs[qs]));
+      }
+
+      for (ii = 0; ii < n_ints; ii++)
+	{
+	  qos_record_show_one_interface (vm, ii);
+	}
+    }
+  else
+    qos_record_show_one_interface (vm, sw_if_index);
+
+  return (NULL);
+}
+
+/*?
+ * Show Egress Qos Maps
+ *
+ * @cliexpar
+ * @cliexcmd{show qos egress map}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (qos_record_show_command, static) = {
+  .path = "show qos record",
+  .short_help = "show qos record [interface]",
+  .function = qos_record_show,
+  .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
 
 /*
  * fd.io coding-style-patch-verification: ON
diff --git a/src/vnet/qos/qos_record.h b/src/vnet/qos/qos_record.h
index e5726d650a7..b80041f3241 100644
--- a/src/vnet/qos/qos_record.h
+++ b/src/vnet/qos/qos_record.h
@@ -21,6 +21,11 @@
 extern int qos_record_disable (u32 sw_if_index, qos_source_t input_source);
 extern int qos_record_enable (u32 sw_if_index, qos_source_t input_source);
 
+typedef walk_rc_t (*qos_record_walk_cb_t) (u32 sw_if_index,
+					   qos_source_t input_source,
+					   void *ctx);
+void qos_record_walk (qos_record_walk_cb_t fn, void *c);
+
 #endif
 
 /*