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, 110 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/stats_l4gen.c b/VNFs/DPPD-PROX/stats_l4gen.c
new file mode 100644
index 00000000..37af7ac4
--- /dev/null
+++ b/VNFs/DPPD-PROX/stats_l4gen.c
@@ -0,0 +1,110 @@
+/*
+// 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 <string.h>
+
+#include "prox_malloc.h"
+#include "prox_cfg.h"
+#include "stats_l4gen.h"
+#include "task_init.h"
+
+struct task_l4gen_stats {
+	struct task_base base;
+	struct l4_stats l4_stats;
+};
+
+struct stats_l4gen_manager {
+	uint16_t n_l4gen;
+	struct task_l4_stats task_l4_stats[0];
+};
+
+extern int last_stat;
+static struct stats_l4gen_manager *sl4m;
+
+int stats_get_n_l4gen(void)
+{
+	return sl4m->n_l4gen;
+}
+
+struct task_l4_stats *stats_get_l4_stats(uint32_t i)
+{
+	return &sl4m->task_l4_stats[i];
+}
+
+struct l4_stats_sample *stats_get_l4_stats_sample(uint32_t i, int l)
+{
+	return &sl4m->task_l4_stats[i].sample[l == last_stat];
+}
+
+static struct stats_l4gen_manager *alloc_stats_l4gen_manager(void)
+{
+	struct lcore_cfg *lconf;
+	uint32_t lcore_id = -1;
+	size_t mem_size;
+	uint32_t n_l4gen = 0;
+	const int socket_id = rte_lcore_to_socket_id(rte_lcore_id());
+
+	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, "genl4"))
+				n_l4gen++;
+		}
+	}
+
+	mem_size = sizeof(struct stats_l4gen_manager) + sizeof(struct task_l4_stats) * n_l4gen;
+	return prox_zmalloc(mem_size, socket_id);
+}
+
+void stats_l4gen_init(void)
+{
+	struct lcore_cfg *lconf;
+	uint32_t lcore_id = -1;
+
+	sl4m = alloc_stats_l4gen_manager();
+
+	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, "genl4")) {
+				sl4m->task_l4_stats[sl4m->n_l4gen].task = (struct task_l4gen_stats *)lconf->tasks_all[task_id];
+				sl4m->task_l4_stats[sl4m->n_l4gen].lcore_id = lcore_id;
+				sl4m->task_l4_stats[sl4m->n_l4gen].task_id = task_id;
+				sl4m->n_l4gen++;
+			}
+		}
+	}
+}
+
+void stats_l4gen_update(void)
+{
+	uint64_t before, after;
+
+	for (uint16_t i = 0; i < sl4m->n_l4gen; ++i) {
+		struct task_l4gen_stats *task_l4gen = sl4m->task_l4_stats[i].task;
+
+		before = rte_rdtsc();
+		sl4m->task_l4_stats[i].sample[last_stat].stats = task_l4gen->l4_stats;
+		after = rte_rdtsc();
+
+		sl4m->task_l4_stats[i].sample[last_stat].tsc = (before >> 1) + (after >> 1);
+	}
+}