Adding PROX(Packet pROcessing eXecution engine) VNF to sampleVNF

JIRA: SAMPLEVNF-55

PROX is a DPDK-based application implementing Telco use-cases such as
a simplified BRAS/BNG, light-weight AFTR... It also allows configuring
finer grained network functions like QoS, Routing, load-balancing...

(We are moving PROX version v039 to sampleVNF
https://01.org/intel-data-plane-performance-demonstrators/prox-overview)

Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 131 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/stats_prio.c b/VNFs/DPPD-PROX/stats_prio.c
new file mode 100644
index 00000000..3d39d580
--- /dev/null
+++ b/VNFs/DPPD-PROX/stats_prio.c
@@ -0,0 +1,131 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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 <stddef.h>
+
+#include "handle_aggregator.h"
+#include "stats_prio_task.h"
+#include "prox_cfg.h"
+#include "prox_globals.h"
+#include "lconf.h"
+
+struct lcore_task_stats {
+	struct task_stats task_stats[MAX_TASKS_PER_CORE];
+};
+
+struct lcore_prio_task_stats {
+	struct prio_task_stats prio_task_stats[MAX_TASKS_PER_CORE];
+};
+
+extern int last_stat;
+static struct prio_task_stats   prio_task_stats_set[RTE_MAX_LCORE * MAX_TASKS_PER_CORE];
+static uint8_t nb_prio_tasks_tot;
+
+int stats_get_n_prio_tasks_tot(void)
+{
+        return nb_prio_tasks_tot;
+}
+
+struct prio_task_stats_sample *stats_get_prio_task_stats_sample(uint32_t prio_task_id, int l)
+{
+	return &prio_task_stats_set[prio_task_id].sample[l == last_stat];
+}
+
+struct prio_task_stats_sample *stats_get_prio_task_stats_sample_by_core_task(uint32_t lcore_id, uint32_t prio_task_id, int l)
+{
+	for (uint8_t task_id = 0; task_id < nb_prio_tasks_tot; ++task_id) {
+		if ((prio_task_stats_set[task_id].lcore_id == lcore_id) && (prio_task_stats_set[task_id].task_id == task_id))
+			return &prio_task_stats_set[prio_task_id].sample[l == last_stat];
+	}
+	return NULL;
+}
+
+void stats_prio_task_reset(void)
+{
+	struct prio_task_stats *cur_task_stats;
+
+	for (uint8_t task_id = 0; task_id < nb_prio_tasks_tot; ++task_id) {
+		cur_task_stats = &prio_task_stats_set[task_id];
+		for (int i = 0; i < 8; i++) {
+			cur_task_stats->tot_drop_tx_fail_prio[i] = 0;
+			cur_task_stats->tot_rx_prio[i] = 0;
+		}
+	}
+}
+
+uint64_t stats_core_task_tot_drop_tx_fail_prio(uint8_t prio_task_id, uint8_t prio)
+{
+	return prio_task_stats_set[prio_task_id].tot_drop_tx_fail_prio[prio];
+}
+
+uint64_t stats_core_task_tot_rx_prio(uint8_t prio_task_id, uint8_t prio)
+{
+	return prio_task_stats_set[prio_task_id].tot_rx_prio[prio];
+}
+
+void stats_prio_task_post_proc(void)
+{
+	for (uint8_t task_id = 0; task_id < nb_prio_tasks_tot; ++task_id) {
+		struct prio_task_stats *cur_task_stats = &prio_task_stats_set[task_id];
+		const struct prio_task_stats_sample *last = &cur_task_stats->sample[last_stat];
+		const struct prio_task_stats_sample *prev = &cur_task_stats->sample[!last_stat];
+
+		for (int i=0; i<8; i++) {
+			cur_task_stats->tot_rx_prio[i] += last->rx_prio[i] - prev->rx_prio[i];
+			cur_task_stats->tot_drop_tx_fail_prio[i] += last->drop_tx_fail_prio[i] - prev->drop_tx_fail_prio[i];
+		}
+	}
+}
+
+void stats_prio_task_update(void)
+{
+	uint64_t before, after;
+
+	for (uint8_t task_id = 0; task_id < nb_prio_tasks_tot; ++task_id) {
+		struct prio_task_stats *cur_task_stats = &prio_task_stats_set[task_id];
+		struct prio_task_rt_stats *stats = cur_task_stats->stats;
+		struct prio_task_stats_sample *last = &cur_task_stats->sample[last_stat];
+
+		before = rte_rdtsc();
+		for (int i=0; i<8; i++) {
+			last->drop_tx_fail_prio[i] = stats->drop_tx_fail_prio[i];
+			last->rx_prio[i] = stats->rx_prio[i];
+		}
+		after = rte_rdtsc();
+		last->tsc = (before >> 1) + (after >> 1);
+	}
+}
+
+void stats_prio_task_init(void)
+{
+	struct lcore_cfg *lconf;
+	uint32_t lcore_id;
+
+	/* add cores that are receiving from and sending to physical ports first */
+	lcore_id = -1;
+	while(prox_core_next(&lcore_id, 0) == 0) {
+		lconf = &lcore_cfg[lcore_id];
+		for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+			struct task_args *targ = &lconf->targs[task_id];
+			if (strcmp(targ->task_init->mode_str, "aggreg") == 0) {
+				struct prio_task_rt_stats *stats = &((struct task_aggregator *)(lconf->tasks_all[task_id]))->stats;
+				prio_task_stats_set[nb_prio_tasks_tot].stats = stats;
+				prio_task_stats_set[nb_prio_tasks_tot].lcore_id = lcore_id;
+				prio_task_stats_set[nb_prio_tasks_tot++].task_id = task_id;
+			}
+		}
+	}
+}