aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/dpdk/api
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/dpdk/api')
-rwxr-xr-xsrc/plugins/dpdk/api/dpdk_api.c333
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:
+ */