dpdk: be a plugin

Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90
Signed-off-by: Damjan Marion <damarion@cisco.com>

4 files changed, 550 insertions, 0 deletions

diff --git a/src/plugins/dpdk/api/dpdk.api b/src/plugins/dpdk/api/dpdk.api
new file mode 100644
index 00000000..21215d45
--- /dev/null
+++ b/src/plugins/dpdk/api/dpdk.api
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2015-2016 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.
+ */
+
+/** \brief DPDK interface HQoS pipe profile set request
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - the interface
+    @param subport - subport ID
+    @param pipe - pipe ID within its subport
+    @param profile - pipe profile ID
+*/
+define sw_interface_set_dpdk_hqos_pipe {
+    u32 client_index;
+    u32 context;
+    u32 sw_if_index;
+    u32 subport;
+    u32 pipe;
+    u32 profile;
+};
+
+/** \brief DPDK interface HQoS pipe profile set reply
+    @param context - sender context, to match reply w/ request
+    @param retval - request return code
+*/
+define sw_interface_set_dpdk_hqos_pipe_reply {
+    u32 context;
+    i32 retval;
+};
+
+/** \brief DPDK interface HQoS subport parameters set request
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - the interface
+    @param subport - subport ID
+    @param tb_rate - subport token bucket rate (measured in bytes/second)
+    @param tb_size - subport token bucket size (measured in credits)
+    @param tc_rate - subport traffic class 0 .. 3 rates (measured in bytes/second)
+    @param tc_period - enforcement period for rates (measured in milliseconds)
+*/
+define sw_interface_set_dpdk_hqos_subport {
+    u32 client_index;
+    u32 context;
+    u32 sw_if_index;
+    u32 subport;
+    u32 tb_rate;
+    u32 tb_size;
+    u32 tc_rate[4];
+    u32 tc_period;
+};
+
+/** \brief DPDK interface HQoS subport parameters set reply
+    @param context - sender context, to match reply w/ request
+    @param retval - request return code
+*/
+define sw_interface_set_dpdk_hqos_subport_reply {
+    u32 context;
+    i32 retval;
+};
+
+/** \brief DPDK interface HQoS tctbl entry set request
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - the interface
+    @param entry - entry index ID
+    @param tc - traffic class (0 .. 3)
+    @param queue - traffic class queue (0 .. 3)
+*/
+define sw_interface_set_dpdk_hqos_tctbl {
+    u32 client_index;
+    u32 context;
+    u32 sw_if_index;
+    u32 entry;
+    u32 tc;
+    u32 queue;
+};
+
+/** \brief DPDK interface HQoS tctbl entry set reply
+    @param context - sender context, to match reply w/ request
+    @param retval - request return code
+*/
+define sw_interface_set_dpdk_hqos_tctbl_reply {
+    u32 context;
+    i32 retval;
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+ 
\ No newline at end of file
diff --git a/src/plugins/dpdk/api/dpdk_all_api_h.h b/src/plugins/dpdk/api/dpdk_all_api_h.h
new file mode 100644
index 00000000..15eb98d6
--- /dev/null
+++ b/src/plugins/dpdk/api/dpdk_all_api_h.h
@@ -0,0 +1,19 @@
+
+/*
+ * dpdk_all_api_h.h - skeleton vpp engine plug-in api #include file
+ *
+ * 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 the generated file, see BUILT_SOURCES in Makefile.am */
+#include <dpdk/api/dpdk.api.h>
diff --git a/src/plugins/dpdk/api/dpdk_msg_enum.h b/src/plugins/dpdk/api/dpdk_msg_enum.h
new file mode 100644
index 00000000..952ce6ad
--- /dev/null
+++ b/src/plugins/dpdk/api/dpdk_msg_enum.h
@@ -0,0 +1,31 @@
+
+/*
+ * dpdk_msg_enum.h - skeleton vpp engine plug-in message enumeration
+ *
+ * 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.
+ */
+#ifndef included_dpdk_msg_enum_h
+#define included_dpdk_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <dpdk/api/dpdk_all_api_h.h>
+    /* We'll want to know how many messages IDs we need... */
+    VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif /* included_dpdk_msg_enum_h */
diff --git a/src/plugins/dpdk/api/dpdk_test.c b/src/plugins/dpdk/api/dpdk_test.c
new file mode 100644
index 00000000..9fe0f934
--- /dev/null
+++ b/src/plugins/dpdk/api/dpdk_test.c
@@ -0,0 +1,397 @@
+
+/*
+ * dpdk_test.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 <vlibsocket/api.h>
+#include <vppinfra/error.h>
+#include <vnet/ip/ip.h>
+
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare message IDs */
+#include <dpdk/api/dpdk_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <dpdk/api/dpdk.api.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun             /* define message structures */
+#include <dpdk/api/dpdk.api.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <dpdk/api/dpdk.api.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <dpdk/api/dpdk.api.h>
+#undef vl_api_version
+
+typedef struct {
+    /* API message ID base */
+    u16 msg_id_base;
+    vat_main_t *vat_main;
+} dpdk_test_main_t;
+
+dpdk_test_main_t dpdk_test_main;
+
+#define foreach_standard_reply_retval_handler         \
+_(sw_interface_set_dpdk_hqos_pipe_reply)              \
+_(sw_interface_set_dpdk_hqos_subport_reply)           \
+_(sw_interface_set_dpdk_hqos_tctbl_reply)
+
+#define _(n)                                          \
+    static void vl_api_##n##_t_handler                \
+    (vl_api_##n##_t * mp)                             \
+    {                                                 \
+        vat_main_t * vam = dpdk_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 _
+
+/* 
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg                               \
+_(SW_INTERFACE_SET_DPDK_HQOS_PIPE_REPLY,                        \
+  sw_interface_set_dpdk_hqos_pipe_reply)                        \
+_(SW_INTERFACE_SET_DPDK_HQOS_SUBPORT_REPLY,                     \
+  sw_interface_set_dpdk_hqos_subport_reply)                     \
+_(SW_INTERFACE_SET_DPDK_HQOS_TCTBL_REPLY,                       \
+  sw_interface_set_dpdk_hqos_tctbl_reply)
+
+/* M: construct, but don't yet send a message */
+#define M(T,t)                                                  \
+do {                                                            \
+    vam->result_ready = 0;                                      \
+    mp = vl_msg_api_alloc(sizeof(*mp));                         \
+    memset (mp, 0, sizeof (*mp));                               \
+    mp->_vl_msg_id = ntohs (VL_API_##T + dm->msg_id_base);      \
+    mp->client_index = vam->my_client_index;                    \
+} while(0);
+
+#define M2(T,t,n)                                               \
+do {                                                            \
+    vam->result_ready = 0;                                      \
+    mp = vl_msg_api_alloc(sizeof(*mp)+(n));                     \
+    memset (mp, 0, sizeof (*mp));                               \
+    mp->_vl_msg_id = ntohs (VL_API_##T + dm->msg_id_base);      \
+    mp->client_index = vam->my_client_index;                    \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W                                       \
+do {                                            \
+    timeout = vat_time_now (vam) + 1.0;         \
+                                                \
+    while (vat_time_now (vam) < timeout) {      \
+        if (vam->result_ready == 1) {           \
+            return (vam->retval);               \
+        }                                       \
+    }                                           \
+    return -99;                                 \
+} while(0);
+
+static int
+api_sw_interface_set_dpdk_hqos_pipe (vat_main_t * vam)
+{
+  dpdk_test_main_t * dm = &dpdk_test_main;
+  unformat_input_t *i = vam->input;
+  vl_api_sw_interface_set_dpdk_hqos_pipe_t *mp;
+  f64 timeout;
+  u32 sw_if_index;
+  u8 sw_if_index_set = 0;
+  u32 subport;
+  u8 subport_set = 0;
+  u32 pipe;
+  u8 pipe_set = 0;
+  u32 profile;
+  u8 profile_set = 0;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+        if (unformat (i, "rx sw_if_index %u", &sw_if_index))
+  sw_if_index_set = 1;
+      else if (unformat (i, "subport %u", &subport))
+  subport_set = 1;
+      else if (unformat (i, "pipe %u", &pipe))
+  pipe_set = 1;
+      else if (unformat (i, "profile %u", &profile))
+  profile_set = 1;
+      else
+  break;
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  if (subport_set == 0)
+    {
+      errmsg ("missing subport ");
+      return -99;
+    }
+
+  if (pipe_set == 0)
+    {
+      errmsg ("missing pipe");
+      return -99;
+    }
+
+  if (profile_set == 0)
+    {
+      errmsg ("missing profile");
+      return -99;
+    }
+
+  M (SW_INTERFACE_SET_DPDK_HQOS_PIPE, sw_interface_set_dpdk_hqos_pipe);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->subport = ntohl (subport);
+  mp->pipe = ntohl (pipe);
+  mp->profile = ntohl (profile);
+
+
+  S;
+  W;
+  /* NOTREACHED */
+  return 0;
+}
+
+static int
+api_sw_interface_set_dpdk_hqos_subport (vat_main_t * vam)
+{
+  dpdk_test_main_t * dm = &dpdk_test_main;
+  unformat_input_t *i = vam->input;
+  vl_api_sw_interface_set_dpdk_hqos_subport_t *mp;
+  f64 timeout;
+  u32 sw_if_index;
+  u8 sw_if_index_set = 0;
+  u32 subport;
+  u8 subport_set = 0;
+  u32 tb_rate = 1250000000; /* 10GbE */
+  u32 tb_size = 1000000;
+  u32 tc_rate[] = { 1250000000, 1250000000, 1250000000, 1250000000 };
+  u32 tc_period = 10;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "rx sw_if_index %u", &sw_if_index))
+  sw_if_index_set = 1;
+      else if (unformat (i, "subport %u", &subport))
+  subport_set = 1;
+      else if (unformat (i, "rate %u", &tb_rate))
+  {
+    u32 tc_id;
+
+    for (tc_id = 0; tc_id < (sizeof (tc_rate) / sizeof (tc_rate[0]));
+         tc_id++)
+      tc_rate[tc_id] = tb_rate;
+  }
+      else if (unformat (i, "bktsize %u", &tb_size))
+  ;
+      else if (unformat (i, "tc0 %u", &tc_rate[0]))
+  ;
+      else if (unformat (i, "tc1 %u", &tc_rate[1]))
+  ;
+      else if (unformat (i, "tc2 %u", &tc_rate[2]))
+  ;
+      else if (unformat (i, "tc3 %u", &tc_rate[3]))
+  ;
+      else if (unformat (i, "period %u", &tc_period))
+  ;
+      else
+  break;
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  if (subport_set == 0)
+    {
+      errmsg ("missing subport ");
+      return -99;
+    }
+
+  M (SW_INTERFACE_SET_DPDK_HQOS_SUBPORT, sw_interface_set_dpdk_hqos_subport);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->subport = ntohl (subport);
+  mp->tb_rate = ntohl (tb_rate);
+  mp->tb_size = ntohl (tb_size);
+  mp->tc_rate[0] = ntohl (tc_rate[0]);
+  mp->tc_rate[1] = ntohl (tc_rate[1]);
+  mp->tc_rate[2] = ntohl (tc_rate[2]);
+  mp->tc_rate[3] = ntohl (tc_rate[3]);
+  mp->tc_period = ntohl (tc_period);
+
+  S;
+  W;
+  /* NOTREACHED */
+  return 0;
+}
+
+static int
+api_sw_interface_set_dpdk_hqos_tctbl (vat_main_t * vam)
+{
+  dpdk_test_main_t * dm = &dpdk_test_main;
+  unformat_input_t *i = vam->input;
+  vl_api_sw_interface_set_dpdk_hqos_tctbl_t *mp;
+  f64 timeout;
+  u32 sw_if_index;
+  u8 sw_if_index_set = 0;
+  u8 entry_set = 0;
+  u8 tc_set = 0;
+  u8 queue_set = 0;
+  u32 entry, tc, queue;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "rx sw_if_index %u", &sw_if_index))
+  sw_if_index_set = 1;
+      else if (unformat (i, "entry %d", &entry))
+  entry_set = 1;
+      else if (unformat (i, "tc %d", &tc))
+  tc_set = 1;
+      else if (unformat (i, "queue %d", &queue))
+  queue_set = 1;
+      else
+  break;
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  if (entry_set == 0)
+    {
+      errmsg ("missing entry ");
+      return -99;
+    }
+
+  if (tc_set == 0)
+    {
+      errmsg ("missing traffic class ");
+      return -99;
+    }
+
+  if (queue_set == 0)
+    {
+      errmsg ("missing queue ");
+      return -99;
+    }
+
+  M (SW_INTERFACE_SET_DPDK_HQOS_TCTBL, sw_interface_set_dpdk_hqos_tctbl);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->entry = ntohl (entry);
+  mp->tc = ntohl (tc);
+  mp->queue = ntohl (queue);
+
+  S;
+  W;
+  /* NOTREACHED */
+  return 0;
+}
+
+/* 
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg                                               \
+_(sw_interface_set_dpdk_hqos_pipe,                                        \
+  "rx sw_if_index <id> subport <subport-id> pipe <pipe-id>\n"   \
+  "profile <profile-id>\n")                                               \
+_(sw_interface_set_dpdk_hqos_subport,                                     \
+  "rx sw_if_index <id> subport <subport-id> [rate <n>]\n"       \
+  "[bktsize <n>] [tc0 <n>] [tc1 <n>] [tc2 <n>] [tc3 <n>] [period <n>]\n") \
+_(sw_interface_set_dpdk_hqos_tctbl,                                       \
+  "rx sw_if_index <id> entry <n> tc <n> queue <n>\n")
+
+void vat_api_hookup (vat_main_t *vam)
+{
+  dpdk_test_main_t * dm __attribute__((unused)) = &dpdk_test_main;
+  /* Hook up handlers for replies from the data plane plug-in */
+#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_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)
+{
+  dpdk_test_main_t * dm = &dpdk_test_main;
+  u8 * name;
+
+  dm->vat_main = vam;
+
+  /* Ask the vpp engine for the first assigned message-id */
+  name = format (0, "dpdk_%08x%c", api_version, 0);
+  dm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  if (dm->msg_id_base != (u16) ~0)
+    vat_api_hookup (vam);
+  
+  vec_free(name);
+  
+  return 0;
+}