Driver level time-based src mac filter

Change-Id: I062d7653e00d77e73a61d8841e01ab4a159b6404
Signed-off-by: Dave Barach <dbarach@cisco.com>

1 files changed, 311 insertions, 0 deletions

diff --git a/src/plugins/mactime/mactime_test.c b/src/plugins/mactime/mactime_test.c
new file mode 100644
index 00000000000..9ba28da2fc3
--- /dev/null
+++ b/src/plugins/mactime/mactime_test.c
@@ -0,0 +1,311 @@
+/*
+ * mactime.c - skeleton vpp-api-test plug-in
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <vppinfra/time_range.h>
+
+uword vat_unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare message IDs */
+#include <mactime/mactime_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <mactime/mactime_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun		/* define message structures */
+#include <mactime/mactime_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <mactime/mactime_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <mactime/mactime_all_api_h.h>
+#undef vl_api_version
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  vat_main_t *vat_main;
+} mactime_test_main_t;
+
+mactime_test_main_t mactime_test_main;
+
+#define __plugin_msg_base mactime_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+#define foreach_standard_reply_retval_handler   \
+_(mactime_enable_disable_reply)                 \
+_(mactime_add_del_range_reply)
+
+#define _(n)                                            \
+    static void vl_api_##n##_t_handler                  \
+    (vl_api_##n##_t * mp)                               \
+    {                                                   \
+        vat_main_t * vam = mactime_test_main.vat_main;   \
+        i32 retval = ntohl(mp->retval);                 \
+        if (vam->async_mode) {                          \
+            vam->async_errors += (retval < 0);          \
+        } else {                                        \
+            vam->retval = retval;                       \
+            vam->result_ready = 1;                      \
+        }                                               \
+    }
+foreach_standard_reply_retval_handler;
+#undef _
+
+static u8 *
+format_mac_address (u8 * s, va_list * args)
+{
+  u8 *a = va_arg (*args, u8 *);
+  return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
+		 a[0], a[1], a[2], a[3], a[4], a[5]);
+}
+
+static uword
+unformat_mac_address (unformat_input_t * input, va_list * args)
+{
+  u8 *a = va_arg (*args, u8 *);
+  return unformat (input, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3],
+		   &a[4], &a[5]);
+}
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg                               \
+_(MACTIME_ENABLE_DISABLE_REPLY, mactime_enable_disable_reply)   \
+_(MACTIME_ADD_DEL_RANGE_REPLY, mactime_add_del_range_reply)
+
+static int
+api_mactime_enable_disable (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  int enable_disable = 1;
+  u32 sw_if_index = ~0;
+  vl_api_mactime_enable_disable_t *mp;
+  int ret;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+	;
+      else if (unformat (i, "sw_if_index %d", &sw_if_index))
+	;
+      else if (unformat (i, "disable"))
+	enable_disable = 0;
+      else
+	break;
+    }
+
+  if (sw_if_index == ~0)
+    {
+      errmsg ("missing interface name / explicit sw_if_index number \n");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M (MACTIME_ENABLE_DISABLE, mp);
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->enable_disable = enable_disable;
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply... */
+  W (ret);
+  return ret;
+}
+
+static int
+api_mactime_add_del_range (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_mactime_add_del_range_t *mp;
+  u8 mac_address[8];
+  u8 *device_name = 0;
+  clib_timebase_range_t *rp = 0;
+  int name_set = 0;
+  int mac_set = 0;
+  u8 is_add = 1;
+  u8 allow = 0;
+  u8 drop = 0;
+  int ret;
+  int ii;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "name %s", &device_name))
+	{
+	  vec_add1 (device_name, 0);
+	  name_set = 1;
+	}
+      else if (unformat (i, "allow-range %U",
+			 unformat_clib_timebase_range_vector, &rp))
+	allow = 1;
+      else if (unformat (i, "drop-range %U",
+			 unformat_clib_timebase_range_vector, &rp))
+	drop = 1;
+      else if (unformat (i, "allow-static"))
+	allow = 1;
+      else if (unformat (i, "drop-static"))
+	drop = 1;
+      else if (unformat (i, "mac %U", unformat_mac_address, mac_address))
+	mac_set = 1;
+      else if (unformat (i, "del"))
+	is_add = 0;
+      else
+	break;
+    }
+
+  /* Sanity checks */
+  if (mac_set == 0)
+    {
+      vec_free (rp);
+      vec_free (device_name);
+      errmsg ("mac address required, not set\n");
+      return -99;
+    }
+
+  /* allow-range / drop-range parse errors cause this condition */
+  if (is_add && allow == 0 && drop == 0)
+    {
+      vec_free (rp);
+      vec_free (device_name);
+      errmsg ("neither allow nor drop set, parse error...\n");
+    }
+
+  /* Unlikely, but check anyhow */
+  if (vec_len (device_name) > ARRAY_LEN (mp->device_name))
+    {
+      vec_free (rp);
+      vec_free (device_name);
+      errmsg ("device name too long, max %d\n", ARRAY_LEN (mp->device_name));
+      return -99;
+    }
+
+  /* Cough up a device name if none set */
+  if (name_set == 0)
+    {
+      device_name = format (0, "mac %U%c", format_mac_address,
+			    mac_address, 0);
+    }
+
+  /* Construct the API message */
+  M2 (MACTIME_ADD_DEL_RANGE, mp, sizeof (rp[0]) * vec_len (rp));
+  mp->is_add = is_add;
+  mp->drop = drop;
+  mp->allow = allow;
+  memcpy (mp->mac_address, mac_address, sizeof (mp->mac_address));
+  memcpy (mp->device_name, device_name, vec_len (device_name));
+  mp->count = clib_host_to_net_u32 (vec_len (rp));
+
+  for (ii = 0; ii < vec_len (rp); ii++)
+    {
+      mp->ranges[ii].start = rp[ii].start;
+      mp->ranges[ii].end = rp[ii].end;
+    }
+
+  vec_free (rp);
+  vec_free (device_name);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply... */
+  W (ret);
+  return ret;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg                     \
+_(mactime_enable_disable, "<intfc> [disable]")  \
+_(mactime_add_del_range,                        \
+  "name <devname> mac <mac-addr> allow drop\n"  \
+  "allow-range Mon - Fri 9:00 - 17:00")
+
+static void
+mactime_api_hookup (vat_main_t * vam)
+{
+  mactime_test_main_t *sm = &mactime_test_main;
+  /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base),     \
+                           #n,                                  \
+                           vl_api_##n##_t_handler,              \
+                           vl_noop_handler,                     \
+                           vl_api_##n##_t_endian,               \
+                           vl_api_##n##_t_print,                \
+                           sizeof(vl_api_##n##_t), 1);
+  foreach_vpe_api_reply_msg;
+#undef _
+
+  /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+  foreach_vpe_api_msg;
+#undef _
+
+  /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+  foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+  mactime_test_main_t *sm = &mactime_test_main;
+  u8 *name;
+
+  sm->vat_main = vam;
+
+  /* Ask the vpp engine for the first assigned message-id */
+  name = format (0, "mactime_%08x%c", api_version, 0);
+  sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  if (sm->msg_id_base != (u16) ~ 0)
+    mactime_api_hookup (vam);
+
+  vec_free (name);
+
+  return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */