dpdk: cleanup, move APIs to separate .c file

Change-Id: Id632ff1b30be808d9f270e2f77260391569fbda2
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 333 insertions, 0 deletions

diff --git a/src/plugins/dpdk/api/dpdk_api.c b/src/plugins/dpdk/api/dpdk_api.c
new file mode 100755
index 00000000000..08afdd700ef
--- /dev/null
+++ b/src/plugins/dpdk/api/dpdk_api.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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 <vnet/vnet.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/error.h>
+#include <vppinfra/format.h>
+#include <vppinfra/bitmap.h>
+
+#include <vnet/ethernet/ethernet.h>
+#include <dpdk/device/dpdk.h>
+#include <vlib/unix/physmem.h>
+#include <vlib/pci/pci.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include <dpdk/device/dpdk_priv.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+/* define message IDs */
+#include <dpdk/api/dpdk_msg_enum.h>
+
+#define vl_typedefs		/* define message structures */
+#include <dpdk/api/dpdk_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun		/* define message structures */
+#include <dpdk/api/dpdk_all_api_h.h>
+#undef vl_endianfun
+
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <dpdk/api/dpdk_all_api_h.h>
+#undef vl_api_version
+
+/* Macro to finish up custom dump fns */
+#define FINISH                                  \
+    vec_add1 (s, 0);                            \
+    vl_print (handle, (char *)s);               \
+    vec_free (s);                               \
+    return handle;
+
+#include <vlibapi/api_helper_macros.h>
+
+static void
+  vl_api_sw_interface_set_dpdk_hqos_pipe_t_handler
+  (vl_api_sw_interface_set_dpdk_hqos_pipe_t * mp)
+{
+  vl_api_sw_interface_set_dpdk_hqos_pipe_reply_t *rmp;
+  int rv = 0;
+
+  dpdk_main_t *dm = &dpdk_main;
+  dpdk_device_t *xd;
+
+  u32 sw_if_index = ntohl (mp->sw_if_index);
+  u32 subport = ntohl (mp->subport);
+  u32 pipe = ntohl (mp->pipe);
+  u32 profile = ntohl (mp->profile);
+  vnet_hw_interface_t *hw;
+
+  VALIDATE_SW_IF_INDEX (mp);
+
+  /* hw_if & dpdk device */
+  hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
+
+  xd = vec_elt_at_index (dm->devices, hw->dev_instance);
+
+  rv = rte_sched_pipe_config (xd->hqos_ht->hqos, subport, pipe, profile);
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_PIPE_REPLY);
+}
+
+static void *vl_api_sw_interface_set_dpdk_hqos_pipe_t_print
+  (vl_api_sw_interface_set_dpdk_hqos_pipe_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_pipe ");
+
+  s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
+
+  s = format (s, "subport %u  pipe %u  profile %u ",
+	      ntohl (mp->subport), ntohl (mp->pipe), ntohl (mp->profile));
+
+  FINISH;
+}
+
+static void
+  vl_api_sw_interface_set_dpdk_hqos_subport_t_handler
+  (vl_api_sw_interface_set_dpdk_hqos_subport_t * mp)
+{
+  vl_api_sw_interface_set_dpdk_hqos_subport_reply_t *rmp;
+  int rv = 0;
+
+  dpdk_main_t *dm = &dpdk_main;
+  dpdk_device_t *xd;
+  struct rte_sched_subport_params p;
+
+  u32 sw_if_index = ntohl (mp->sw_if_index);
+  u32 subport = ntohl (mp->subport);
+  p.tb_rate = ntohl (mp->tb_rate);
+  p.tb_size = ntohl (mp->tb_size);
+  p.tc_rate[0] = ntohl (mp->tc_rate[0]);
+  p.tc_rate[1] = ntohl (mp->tc_rate[1]);
+  p.tc_rate[2] = ntohl (mp->tc_rate[2]);
+  p.tc_rate[3] = ntohl (mp->tc_rate[3]);
+  p.tc_period = ntohl (mp->tc_period);
+
+  vnet_hw_interface_t *hw;
+
+  VALIDATE_SW_IF_INDEX (mp);
+
+  /* hw_if & dpdk device */
+  hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
+
+  xd = vec_elt_at_index (dm->devices, hw->dev_instance);
+
+  rv = rte_sched_subport_config (xd->hqos_ht->hqos, subport, &p);
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_SUBPORT_REPLY);
+}
+
+static void *vl_api_sw_interface_set_dpdk_hqos_subport_t_print
+  (vl_api_sw_interface_set_dpdk_hqos_subport_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_subport ");
+
+  s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
+
+  s =
+    format (s,
+	    "subport %u  rate %u  bkt_size %u  tc0 %u tc1 %u tc2 %u tc3 %u period %u",
+	    ntohl (mp->subport), ntohl (mp->tb_rate), ntohl (mp->tb_size),
+	    ntohl (mp->tc_rate[0]), ntohl (mp->tc_rate[1]),
+	    ntohl (mp->tc_rate[2]), ntohl (mp->tc_rate[3]),
+	    ntohl (mp->tc_period));
+
+  FINISH;
+}
+
+static void
+  vl_api_sw_interface_set_dpdk_hqos_tctbl_t_handler
+  (vl_api_sw_interface_set_dpdk_hqos_tctbl_t * mp)
+{
+  vl_api_sw_interface_set_dpdk_hqos_tctbl_reply_t *rmp;
+  int rv = 0;
+
+  dpdk_main_t *dm = &dpdk_main;
+  vlib_thread_main_t *tm = vlib_get_thread_main ();
+  dpdk_device_t *xd;
+
+  u32 sw_if_index = ntohl (mp->sw_if_index);
+  u32 entry = ntohl (mp->entry);
+  u32 tc = ntohl (mp->tc);
+  u32 queue = ntohl (mp->queue);
+  u32 val, i;
+
+  vnet_hw_interface_t *hw;
+
+  VALIDATE_SW_IF_INDEX (mp);
+
+  /* hw_if & dpdk device */
+  hw = vnet_get_sup_hw_interface (dm->vnet_main, sw_if_index);
+
+  xd = vec_elt_at_index (dm->devices, hw->dev_instance);
+
+  if (tc >= RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE)
+    {
+      clib_warning ("invalid traffic class !!");
+      rv = VNET_API_ERROR_INVALID_VALUE;
+      goto done;
+    }
+  if (queue >= RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS)
+    {
+      clib_warning ("invalid queue !!");
+      rv = VNET_API_ERROR_INVALID_VALUE;
+      goto done;
+    }
+
+  /* Detect the set of worker threads */
+  uword *p = hash_get_mem (tm->thread_registrations_by_name, "workers");
+
+  if (p == 0)
+    {
+      clib_warning ("worker thread registration AWOL !!");
+      rv = VNET_API_ERROR_INVALID_VALUE_2;
+      goto done;
+    }
+
+  vlib_thread_registration_t *tr = (vlib_thread_registration_t *) p[0];
+  int worker_thread_first = tr->first_index;
+  int worker_thread_count = tr->count;
+
+  val = tc * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
+  for (i = 0; i < worker_thread_count; i++)
+    xd->hqos_wt[worker_thread_first + i].hqos_tc_table[entry] = val;
+
+  BAD_SW_IF_INDEX_LABEL;
+done:
+
+  REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_TCTBL_REPLY);
+}
+
+static void *vl_api_sw_interface_set_dpdk_hqos_tctbl_t_print
+  (vl_api_sw_interface_set_dpdk_hqos_tctbl_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: sw_interface_set_dpdk_hqos_tctbl ");
+
+  s = format (s, "sw_if_index %u ", ntohl (mp->sw_if_index));
+
+  s = format (s, "entry %u  tc %u  queue %u",
+	      ntohl (mp->entry), ntohl (mp->tc), ntohl (mp->queue));
+
+  FINISH;
+}
+
+#define foreach_dpdk_plugin_api_msg                                       \
+_(SW_INTERFACE_SET_DPDK_HQOS_PIPE, sw_interface_set_dpdk_hqos_pipe)       \
+_(SW_INTERFACE_SET_DPDK_HQOS_SUBPORT, sw_interface_set_dpdk_hqos_subport) \
+_(SW_INTERFACE_SET_DPDK_HQOS_TCTBL, sw_interface_set_dpdk_hqos_tctbl)
+
+/* Set up the API message handling tables */
+static clib_error_t *
+dpdk_plugin_api_hookup (vlib_main_t * vm)
+{
+  dpdk_main_t *dm __attribute__ ((unused)) = &dpdk_main;
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers((VL_API_##N + dm->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_dpdk_plugin_api_msg;
+#undef _
+  return 0;
+}
+
+#define vl_msg_name_crc_list
+#include <dpdk/api/dpdk_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (dpdk_main_t * dm, api_main_t * am)
+{
+#define _(id,n,crc) \
+  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + dm->msg_id_base);
+  foreach_vl_msg_name_crc_dpdk;
+#undef _
+}
+
+//  TODO
+/*
+static void plugin_custom_dump_configure (dpdk_main_t * dm)
+{
+#define _(n,f) dm->api_main->msg_print_handlers \
+  [VL_API_##n + dm->msg_id_base]                \
+    = (void *) vl_api_##f##_t_print;
+  foreach_dpdk_plugin_api_msg;
+#undef _
+}
+*/
+/* force linker to link functions used by vlib and declared weak */
+
+static clib_error_t *
+dpdk_api_init (vlib_main_t * vm)
+{
+  dpdk_main_t *dm = &dpdk_main;
+  clib_error_t *error = 0;
+
+  /* init CLI */
+  if ((error = vlib_call_init_function (vm, dpdk_init)))
+    return error;
+
+  u8 *name;
+  name = format (0, "dpdk_%08x%c", api_version, 0);
+
+  /* Ask for a correctly-sized block of API message decode slots */
+  dm->msg_id_base = vl_msg_api_get_msg_ids
+    ((char *) name, VL_MSG_FIRST_AVAILABLE);
+  vec_free (name);
+
+  error = dpdk_plugin_api_hookup (vm);
+
+  /* Add our API messages to the global name_crc hash table */
+  setup_message_id_table (dm, &api_main);
+
+//  TODO
+//  plugin_custom_dump_configure (dm);
+
+  return error;
+}
+
+VLIB_INIT_FUNCTION (dpdk_api_init);
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */