[spp] [PATCH v2 08/17] spp_primary: add attribute of rte_flow
x-fn-spp-ml at ntt-tx.co.jp
x-fn-spp-ml at ntt-tx.co.jp
Wed Feb 19 12:49:38 CET 2020
From: Hideyuki Yamashita <yamashita.hideyuki at ntt-tx.co.jp>
To support rte_flow in SPP, this patch provides support of various
attribute of rte_flow.
Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki at ntt-tx.co.jp>
Signed-off-by: Yasufumi Ogawa <yasufum.o at gmail.com>
---
src/primary/flow/attr.c | 105 ++++++++++++++++++++++++++++++++++++++++
src/primary/flow/attr.h | 13 +++++
2 files changed, 118 insertions(+)
create mode 100644 src/primary/flow/attr.c
create mode 100644 src/primary/flow/attr.h
diff --git a/src/primary/flow/attr.c b/src/primary/flow/attr.c
new file mode 100644
index 0000000..8be7319
--- /dev/null
+++ b/src/primary/flow/attr.c
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Nippon Telegraph and Telephone Corporation
+ */
+
+#include <rte_flow.h>
+
+#include "attr.h"
+
+int
+parse_flow_attr(char *token_list[], int *index,
+ struct rte_flow_attr *attr)
+{
+ int ret;
+ char *token;
+ char *end;
+ unsigned long temp = 0;
+
+ while (token_list[*index] != NULL) {
+ token = token_list[*index];
+
+ if (!strcmp(token, "group")) {
+ /* "group" requires option argument */
+ if (token_list[*index + 1] == NULL) {
+ ret = -1;
+ break;
+ }
+
+ temp = strtoul(token_list[*index + 1], &end, 10);
+ if (end == NULL || *end != '\0') {
+ ret = -1;
+ break;
+ }
+
+ attr->group = (uint32_t)temp;
+ (*index)++;
+
+ } else if (!strcmp(token, "priority")) {
+ /* "priority" requires option argument */
+ if (token_list[*index + 1] == NULL) {
+ ret = -1;
+ break;
+ }
+
+ temp = strtoul(token_list[*index + 1], &end, 10);
+ if (end == NULL || *end != '\0') {
+ ret = -1;
+ break;
+ }
+
+ attr->priority = (uint32_t)temp;
+ (*index)++;
+
+ } else if (!strcmp(token, "ingress")) {
+ attr->ingress = 1;
+
+ } else if (!strcmp(token, "egress")) {
+ attr->egress = 1;
+
+ } else if (!strcmp(token, "transfer")) {
+ attr->transfer = 1;
+
+ } else if (!strcmp(token, "pattern")) {
+ /* Attribute parameter end */
+ ret = 0;
+ break;
+
+ } else {
+ /* Illegal parameter */
+ ret = -1;
+ break;
+
+ }
+
+ (*index)++;
+ }
+
+ if (token_list[*index] == NULL)
+ ret = -1;
+
+ return ret;
+}
+
+int
+append_flow_attr_json(const struct rte_flow_attr *attr, int buf_size,
+ char *attr_str)
+{
+ char tmp_str[128] = { 0 };
+
+ snprintf(tmp_str, 128,
+ "{\"group\":%d,"
+ "\"priority\":%d,"
+ "\"ingress\":%d,"
+ "\"egress\":%d,"
+ "\"transfer\":%d}",
+ attr->group, attr->priority, attr->ingress,
+ attr->egress, attr->transfer);
+
+ if ((int)strlen(attr_str) + (int)strlen(tmp_str)
+ > buf_size)
+ return -1;
+
+ strncat(attr_str, tmp_str, strlen(tmp_str));
+
+ return 0;
+}
diff --git a/src/primary/flow/attr.h b/src/primary/flow/attr.h
new file mode 100644
index 0000000..5fb22e3
--- /dev/null
+++ b/src/primary/flow/attr.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Nippon Telegraph and Telephone Corporation
+ */
+
+#ifndef _PRIMARY_FLOW_ATTR_H_
+#define _PRIMARY_FLOW_ATTR_H_
+
+int parse_flow_attr(char *token_list[], int *index,
+ struct rte_flow_attr *attr);
+int append_flow_attr_json(const struct rte_flow_attr *attr,
+ int buf_size, char *attr_str);
+
+#endif
--
2.17.1
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