Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 448 insertions, 0 deletions

diff --git a/examples/ip_pipeline/config_parse_tm.c b/examples/ip_pipeline/config_parse_tm.c
new file mode 100644
index 00000000..e75eed71
--- /dev/null
+++ b/examples/ip_pipeline/config_parse_tm.c
@@ -0,0 +1,448 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <getopt.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <string.h>
+#include <libgen.h>
+#include <unistd.h>
+
+#include <rte_errno.h>
+#include <rte_cfgfile.h>
+#include <rte_string_fns.h>
+
+#include "app.h"
+
+static int
+tm_cfgfile_load_sched_port(
+	struct rte_cfgfile *file,
+	struct rte_sched_port_params *port_params)
+{
+	const char *entry;
+	int j;
+
+	entry = rte_cfgfile_get_entry(file, "port", "frame overhead");
+	if (entry)
+		port_params->frame_overhead = (uint32_t)atoi(entry);
+
+	entry = rte_cfgfile_get_entry(file, "port", "mtu");
+	if (entry)
+		port_params->mtu = (uint32_t)atoi(entry);
+
+	entry = rte_cfgfile_get_entry(file,
+		"port",
+		"number of subports per port");
+	if (entry)
+		port_params->n_subports_per_port = (uint32_t) atoi(entry);
+
+	entry = rte_cfgfile_get_entry(file,
+		"port",
+		"number of pipes per subport");
+	if (entry)
+		port_params->n_pipes_per_subport = (uint32_t) atoi(entry);
+
+	entry = rte_cfgfile_get_entry(file, "port", "queue sizes");
+	if (entry) {
+		char *next;
+
+		for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
+			port_params->qsize[j] = (uint16_t)
+				strtol(entry, &next, 10);
+			if (next == NULL)
+				break;
+			entry = next;
+		}
+	}
+
+#ifdef RTE_SCHED_RED
+	for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
+		char str[32];
+
+		/* Parse WRED min thresholds */
+		snprintf(str, sizeof(str), "tc %" PRId32 " wred min", j);
+		entry = rte_cfgfile_get_entry(file, "red", str);
+		if (entry) {
+			char *next;
+			int k;
+
+			/* for each packet colour (green, yellow, red) */
+			for (k = 0; k < e_RTE_METER_COLORS; k++) {
+				port_params->red_params[j][k].min_th
+					= (uint16_t)strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+		}
+
+		/* Parse WRED max thresholds */
+		snprintf(str, sizeof(str), "tc %" PRId32 " wred max", j);
+		entry = rte_cfgfile_get_entry(file, "red", str);
+		if (entry) {
+			char *next;
+			int k;
+
+			/* for each packet colour (green, yellow, red) */
+			for (k = 0; k < e_RTE_METER_COLORS; k++) {
+				port_params->red_params[j][k].max_th
+					= (uint16_t)strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+		}
+
+		/* Parse WRED inverse mark probabilities */
+		snprintf(str, sizeof(str), "tc %" PRId32 " wred inv prob", j);
+		entry = rte_cfgfile_get_entry(file, "red", str);
+		if (entry) {
+			char *next;
+			int k;
+
+			/* for each packet colour (green, yellow, red) */
+			for (k = 0; k < e_RTE_METER_COLORS; k++) {
+				port_params->red_params[j][k].maxp_inv
+					= (uint8_t)strtol(entry, &next, 10);
+
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+		}
+
+		/* Parse WRED EWMA filter weights */
+		snprintf(str, sizeof(str), "tc %" PRId32 " wred weight", j);
+		entry = rte_cfgfile_get_entry(file, "red", str);
+		if (entry) {
+			char *next;
+			int k;
+
+			/* for each packet colour (green, yellow, red) */
+			for (k = 0; k < e_RTE_METER_COLORS; k++) {
+				port_params->red_params[j][k].wq_log2
+					= (uint8_t)strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+		}
+	}
+#endif /* RTE_SCHED_RED */
+
+	return 0;
+}
+
+static int
+tm_cfgfile_load_sched_pipe(
+	struct rte_cfgfile *file,
+	struct rte_sched_port_params *port_params,
+	struct rte_sched_pipe_params *pipe_params)
+{
+	int i, j;
+	char *next;
+	const char *entry;
+	int profiles;
+
+	profiles = rte_cfgfile_num_sections(file,
+		"pipe profile", sizeof("pipe profile") - 1);
+	port_params->n_pipe_profiles = profiles;
+
+	for (j = 0; j < profiles; j++) {
+		char pipe_name[32];
+
+		snprintf(pipe_name, sizeof(pipe_name),
+			"pipe profile %" PRId32, j);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tb rate");
+		if (entry)
+			pipe_params[j].tb_rate = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tb size");
+		if (entry)
+			pipe_params[j].tb_size = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc period");
+		if (entry)
+			pipe_params[j].tc_period = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 0 rate");
+		if (entry)
+			pipe_params[j].tc_rate[0] = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 1 rate");
+		if (entry)
+			pipe_params[j].tc_rate[1] = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 2 rate");
+		if (entry)
+			pipe_params[j].tc_rate[2] = (uint32_t) atoi(entry);
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 3 rate");
+		if (entry)
+			pipe_params[j].tc_rate[3] = (uint32_t) atoi(entry);
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+		entry = rte_cfgfile_get_entry(file, pipe_name,
+			"tc 3 oversubscription weight");
+		if (entry)
+			pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry);
+#endif
+
+		entry = rte_cfgfile_get_entry(file,
+			pipe_name,
+			"tc 0 wrr weights");
+		if (entry)
+			for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+				pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*0 + i] =
+					(uint8_t) strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 1 wrr weights");
+		if (entry)
+			for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+				pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*1 + i] =
+					(uint8_t) strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 2 wrr weights");
+		if (entry)
+			for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+				pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*2 + i] =
+					(uint8_t) strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+
+		entry = rte_cfgfile_get_entry(file, pipe_name, "tc 3 wrr weights");
+		if (entry)
+			for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+				pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*3 + i] =
+					(uint8_t) strtol(entry, &next, 10);
+				if (next == NULL)
+					break;
+				entry = next;
+			}
+	}
+	return 0;
+}
+
+static int
+tm_cfgfile_load_sched_subport(
+	struct rte_cfgfile *file,
+	struct rte_sched_subport_params *subport_params,
+	int *pipe_to_profile)
+{
+	const char *entry;
+	int i, j, k;
+
+	for (i = 0; i < APP_MAX_SCHED_SUBPORTS; i++) {
+		char sec_name[CFG_NAME_LEN];
+
+		snprintf(sec_name, sizeof(sec_name),
+			"subport %" PRId32, i);
+
+		if (rte_cfgfile_has_section(file, sec_name)) {
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tb rate");
+			if (entry)
+				subport_params[i].tb_rate =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tb size");
+			if (entry)
+				subport_params[i].tb_size =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tc period");
+			if (entry)
+				subport_params[i].tc_period =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tc 0 rate");
+			if (entry)
+				subport_params[i].tc_rate[0] =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tc 1 rate");
+			if (entry)
+				subport_params[i].tc_rate[1] =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tc 2 rate");
+			if (entry)
+				subport_params[i].tc_rate[2] =
+					(uint32_t) atoi(entry);
+
+			entry = rte_cfgfile_get_entry(file,
+				sec_name,
+				"tc 3 rate");
+			if (entry)
+				subport_params[i].tc_rate[3] =
+					(uint32_t) atoi(entry);
+
+			int n_entries = rte_cfgfile_section_num_entries(file,
+				sec_name);
+			struct rte_cfgfile_entry entries[n_entries];
+
+			rte_cfgfile_section_entries(file,
+				sec_name,
+				entries,
+				n_entries);
+
+			for (j = 0; j < n_entries; j++)
+				if (strncmp("pipe",
+					entries[j].name,
+					sizeof("pipe") - 1) == 0) {
+					int profile;
+					char *tokens[2] = {NULL, NULL};
+					int n_tokens;
+					int begin, end;
+					char name[CFG_NAME_LEN + 1];
+
+					profile = atoi(entries[j].value);
+					strncpy(name,
+						entries[j].name,
+						sizeof(name));
+					n_tokens = rte_strsplit(
+						&name[sizeof("pipe")],
+						strnlen(name, CFG_NAME_LEN),
+							tokens, 2, '-');
+
+					begin =  atoi(tokens[0]);
+					if (n_tokens == 2)
+						end = atoi(tokens[1]);
+					else
+						end = begin;
+
+					if ((end >= APP_MAX_SCHED_PIPES) ||
+						(begin > end))
+						return -1;
+
+					for (k = begin; k <= end; k++) {
+						char profile_name[CFG_NAME_LEN];
+
+						snprintf(profile_name,
+							sizeof(profile_name),
+							"pipe profile %" PRId32,
+							profile);
+						if (rte_cfgfile_has_section(file, profile_name))
+							pipe_to_profile[i * APP_MAX_SCHED_PIPES + k] = profile;
+						else
+							rte_exit(EXIT_FAILURE,
+								"Wrong pipe profile %s\n",
+								entries[j].value);
+					}
+				}
+		}
+	}
+
+	return 0;
+}
+
+static int
+tm_cfgfile_load(struct app_pktq_tm_params *tm)
+{
+	struct rte_cfgfile *file;
+	uint32_t i;
+
+	memset(tm->sched_subport_params, 0, sizeof(tm->sched_subport_params));
+	memset(tm->sched_pipe_profiles, 0, sizeof(tm->sched_pipe_profiles));
+	memset(&tm->sched_port_params, 0, sizeof(tm->sched_port_params));
+	for (i = 0; i < APP_MAX_SCHED_SUBPORTS * APP_MAX_SCHED_PIPES; i++)
+		tm->sched_pipe_to_profile[i] = -1;
+
+	tm->sched_port_params.pipe_profiles = &tm->sched_pipe_profiles[0];
+
+	if (tm->file_name[0] == '\0')
+		return -1;
+
+	file = rte_cfgfile_load(tm->file_name, 0);
+	if (file == NULL)
+		return -1;
+
+	tm_cfgfile_load_sched_port(file,
+		&tm->sched_port_params);
+	tm_cfgfile_load_sched_subport(file,
+		tm->sched_subport_params,
+		tm->sched_pipe_to_profile);
+	tm_cfgfile_load_sched_pipe(file,
+		&tm->sched_port_params,
+		tm->sched_pipe_profiles);
+
+	rte_cfgfile_close(file);
+	return 0;
+}
+
+int
+app_config_parse_tm(struct app_params *app)
+{
+	uint32_t i;
+
+	for (i = 0; i < RTE_DIM(app->tm_params); i++) {
+		struct app_pktq_tm_params *p = &app->tm_params[i];
+		int status;
+
+		if (!APP_PARAM_VALID(p))
+			break;
+
+		status = tm_cfgfile_load(p);
+		APP_CHECK(status == 0,
+			"Parse error for %s configuration file \"%s\"\n",
+			p->name,
+			p->file_name);
+	}
+
+	return 0;
+}