API refactoring : dpdk
Change-Id: If2541be803a0303401b013390e117c26fd1d9739
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
diff --git a/src/vnet/devices/dpdk/dpdk_api.c b/src/vnet/devices/dpdk/dpdk_api.c
new file mode 100644
index 0000000..8faf5c2
--- /dev/null
+++ b/src/vnet/devices/dpdk/dpdk_api.c
@@ -0,0 +1,246 @@
+/*
+ *------------------------------------------------------------------
+ * dpdk_api.c - dpdk interface api
+ *
+ * Copyright (c) 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.
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vlibmemory/api.h>
+
+#if DPDK > 0
+#include <vnet/devices/dpdk/dpdk.h>
+#endif
+
+#include <vnet/vnet_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_vpe_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)
+
+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;
+
+#if DPDK > 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;
+#else
+ clib_warning ("setting HQoS pipe parameters without DPDK not implemented");
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif /* DPDK */
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_PIPE_REPLY);
+}
+
+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;
+
+#if DPDK > 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;
+#else
+ clib_warning
+ ("setting HQoS subport parameters without DPDK not implemented");
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif /* DPDK */
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_SUBPORT_REPLY);
+}
+
+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;
+
+#if DPDK > 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:
+#else
+ clib_warning ("setting HQoS DSCP table entry without DPDK not implemented");
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif /* DPDK */
+
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_DPDK_HQOS_TCTBL_REPLY);
+}
+
+/*
+ * dpdk_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has alread mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/vnet_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_dpdk;
+#undef _
+}
+
+static clib_error_t *
+dpdk_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = &api_main;
+
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N, #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_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (dpdk_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */