[dpdk-dev] [PATCH 02/12] examples/ip_pipeline: track table rules on add

[Cristian Dumitrescu <cristian.dumitrescu@intel.com>]

Support table rule tracking on table rule add operation.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
---
 examples/ip_pipeline/cli.c      |  4 +---
 examples/ip_pipeline/pipeline.h |  3 +--
 examples/ip_pipeline/thread.c   | 45 ++++++++++++++++++++++++++++++-----------
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/examples/ip_pipeline/cli.c b/examples/ip_pipeline/cli.c
index d1e5540..65600b7 100644
--- a/examples/ip_pipeline/cli.c
+++ b/examples/ip_pipeline/cli.c
@@ -4321,7 +4321,6 @@ cmd_pipeline_table_rule_add(char **tokens,
 	struct table_rule_match m;
 	struct table_rule_action a;
 	char *pipeline_name;
-	void *data;
 	uint32_t table_id, t0, n_tokens_parsed;
 	int status;
 
@@ -4379,8 +4378,7 @@ cmd_pipeline_table_rule_add(char **tokens,
 		return;
 	}
 
-	status = pipeline_table_rule_add(pipeline_name, table_id,
-		&m, &a, &data);
+	status = pipeline_table_rule_add(pipeline_name, table_id, &m, &a);
 	if (status) {
 		snprintf(out, out_size, MSG_CMD_FAIL, tokens[0]);
 		return;
diff --git a/examples/ip_pipeline/pipeline.h b/examples/ip_pipeline/pipeline.h
index 2034504..58067ed 100644
--- a/examples/ip_pipeline/pipeline.h
+++ b/examples/ip_pipeline/pipeline.h
@@ -329,8 +329,7 @@ int
 pipeline_table_rule_add(const char *pipeline_name,
 	uint32_t table_id,
 	struct table_rule_match *match,
-	struct table_rule_action *action,
-	void **data);
+	struct table_rule_action *action);
 
 int
 pipeline_table_rule_add_bulk(const char *pipeline_name,
diff --git a/examples/ip_pipeline/thread.c b/examples/ip_pipeline/thread.c
index 4bd971f..5019de9 100644
--- a/examples/ip_pipeline/thread.c
+++ b/examples/ip_pipeline/thread.c
@@ -1210,19 +1210,19 @@ int
 pipeline_table_rule_add(const char *pipeline_name,
 	uint32_t table_id,
 	struct table_rule_match *match,
-	struct table_rule_action *action,
-	void **data)
+	struct table_rule_action *action)
 {
 	struct pipeline *p;
+	struct table *table;
 	struct pipeline_msg_req *req;
 	struct pipeline_msg_rsp *rsp;
+	struct table_rule *rule;
 	int status;
 
 	/* Check input params */
 	if ((pipeline_name == NULL) ||
 		(match == NULL) ||
-		(action == NULL) ||
-		(data == NULL))
+		(action == NULL))
 		return -1;
 
 	p = pipeline_find(pipeline_name);
@@ -1232,16 +1232,26 @@ pipeline_table_rule_add(const char *pipeline_name,
 		action_check(action, p, table_id))
 		return -1;
 
+	table = &p->table[table_id];
+
+	rule = calloc(1, sizeof(struct table_rule));
+	if (rule == NULL)
+		return -1;
+
+	memcpy(&rule->match, match, sizeof(*match));
+	memcpy(&rule->action, action, sizeof(*action));
+
 	if (!pipeline_is_running(p)) {
-		struct rte_table_action *a = p->table[table_id].a;
 		union table_rule_match_low_level match_ll;
 		struct rte_pipeline_table_entry *data_in, *data_out;
 		int key_found;
 		uint8_t *buffer;
 
 		buffer = calloc(TABLE_RULE_ACTION_SIZE_MAX, sizeof(uint8_t));
-		if (buffer == NULL)
+		if (buffer == NULL) {
+			free(rule);
 			return -1;
+		}
 
 		/* Table match-action rule conversion */
 		data_in = (struct rte_pipeline_table_entry *)buffer;
@@ -1249,12 +1259,14 @@ pipeline_table_rule_add(const char *pipeline_name,
 		status = match_convert(match, &match_ll, 1);
 		if (status) {
 			free(buffer);
+			free(rule);
 			return -1;
 		}
 
-		status = action_convert(a, action, data_in);
+		status = action_convert(table->a, action, data_in);
 		if (status) {
 			free(buffer);
+			free(rule);
 			return -1;
 		}
 
@@ -1267,11 +1279,13 @@ pipeline_table_rule_add(const char *pipeline_name,
 				&data_out);
 		if (status) {
 			free(buffer);
+			free(rule);
 			return -1;
 		}
 
 		/* Write Response */
-		*data = data_out;
+		rule->data = data_out;
+		table_rule_add(table, rule);
 
 		free(buffer);
 		return 0;
@@ -1279,8 +1293,10 @@ pipeline_table_rule_add(const char *pipeline_name,
 
 	/* Allocate request */
 	req = pipeline_msg_alloc();
-	if (req == NULL)
+	if (req == NULL) {
+		free(rule);
 		return -1;
+	}
 
 	/* Write request */
 	req->type = PIPELINE_REQ_TABLE_RULE_ADD;
@@ -1290,13 +1306,18 @@ pipeline_table_rule_add(const char *pipeline_name,
 
 	/* Send request and wait for response */
 	rsp = pipeline_msg_send_recv(p, req);
-	if (rsp == NULL)
+	if (rsp == NULL) {
+		free(rule);
 		return -1;
+	}
 
 	/* Read response */
 	status = rsp->status;
-	if (status == 0)
-		*data = rsp->table_rule_add.data;
+	if (status == 0) {
+		rule->data = rsp->table_rule_add.data;
+		table_rule_add(table, rule);
+	} else
+		free(rule);
 
 	/* Free response */
 	pipeline_msg_free(rsp);
-- 
2.7.4