[dpdk-dev] [PATCH 2/4] examples/ip_pipeline: add support for packet tag table action

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

Add support for the packet tag table action.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 examples/ip_pipeline/action.c   | 11 +++++++++++
 examples/ip_pipeline/cli.c      | 38 +++++++++++++++++++++++++++++++++++++-
 examples/ip_pipeline/pipeline.h |  1 +
 examples/ip_pipeline/thread.c   | 10 ++++++++++
 4 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/examples/ip_pipeline/action.c b/examples/ip_pipeline/action.c
index a0f97be..3f825a0 100644
--- a/examples/ip_pipeline/action.c
+++ b/examples/ip_pipeline/action.c
@@ -344,6 +344,17 @@ table_action_profile_create(const char *name,
 		}
 	}
 
+	if (params->action_mask & (1LLU << RTE_TABLE_ACTION_TAG)) {
+		status = rte_table_action_profile_action_register(ap,
+			RTE_TABLE_ACTION_TAG,
+			NULL);
+
+		if (status) {
+			rte_table_action_profile_free(ap);
+			return NULL;
+		}
+	}
+
 	status = rte_table_action_profile_freeze(ap);
 	if (status) {
 		rte_table_action_profile_free(ap);
diff --git a/examples/ip_pipeline/cli.c b/examples/ip_pipeline/cli.c
index 3ff7caa..a85d04c 100644
--- a/examples/ip_pipeline/cli.c
+++ b/examples/ip_pipeline/cli.c
@@ -1032,7 +1032,8 @@ static const char cmd_table_action_profile_help[] =
 "   [time]\n"
 "   [sym_crypto dev <CRYPTODEV_NAME> offset <op_offset> "
 "       mempool_create <mempool_name>\n"
-"       mempool_init <mempool_name>]\n";
+"       mempool_init <mempool_name>]\n"
+"   [tag]\n";
 
 static void
 cmd_table_action_profile(char **tokens,
@@ -1451,6 +1452,11 @@ cmd_table_action_profile(char **tokens,
 		t0 += 9;
 	} /* sym_crypto */
 
+	if ((t0 < n_tokens) && (strcmp(tokens[t0], "tag") == 0)) {
+		p.action_mask |= 1LLU << RTE_TABLE_ACTION_TAG;
+		t0 += 1;
+	} /* tag */
+
 	if (t0 < n_tokens) {
 		snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
 		return;
@@ -3107,6 +3113,7 @@ parse_match(char **tokens,
  *          aead_algo <algo> aead_key <key> aead_iv <iv> aead_aad <aad>
  *          digest_size <size>
  *       data_offset <data_offset>]
+ *    [tag <tag>]
  *
  * where:
  *    <pa> ::= g | y | r | drop
@@ -4068,6 +4075,22 @@ parse_table_action_sym_crypto(char **tokens,
 }
 
 static uint32_t
+parse_table_action_tag(char **tokens,
+	uint32_t n_tokens,
+	struct table_rule_action *a)
+{
+	if ((n_tokens < 2) ||
+		strcmp(tokens[0], "tag"))
+		return 0;
+
+	if (parser_read_uint32(&a->tag.tag, tokens[1]))
+		return 0;
+
+	a->action_mask |= 1 << RTE_TABLE_ACTION_TAG;
+	return 2;
+}
+
+static uint32_t
 parse_table_action(char **tokens,
 	uint32_t n_tokens,
 	char *out,
@@ -4218,6 +4241,19 @@ parse_table_action(char **tokens,
 		if (n == 0) {
 			snprintf(out, out_size, MSG_ARG_INVALID,
 				"action sym_crypto");
+		}
+
+		tokens += n;
+		n_tokens -= n;
+	}
+
+	if (n_tokens && (strcmp(tokens[0], "tag") == 0)) {
+		uint32_t n;
+
+		n = parse_table_action_tag(tokens, n_tokens, a);
+		if (n == 0) {
+			snprintf(out, out_size, MSG_ARG_INVALID,
+				"action tag");
 			return 0;
 		}
 
diff --git a/examples/ip_pipeline/pipeline.h b/examples/ip_pipeline/pipeline.h
index b6b9dc0..73485f6 100644
--- a/examples/ip_pipeline/pipeline.h
+++ b/examples/ip_pipeline/pipeline.h
@@ -282,6 +282,7 @@ struct table_rule_action {
 	struct rte_table_action_stats_params stats;
 	struct rte_table_action_time_params time;
 	struct rte_table_action_sym_crypto_params sym_crypto;
+	struct rte_table_action_tag_params tag;
 };
 
 int
diff --git a/examples/ip_pipeline/thread.c b/examples/ip_pipeline/thread.c
index 3ec44c9..41891f4 100644
--- a/examples/ip_pipeline/thread.c
+++ b/examples/ip_pipeline/thread.c
@@ -2494,6 +2494,16 @@ action_convert(struct rte_table_action *a,
 			return status;
 	}
 
+	if (action->action_mask & (1LLU << RTE_TABLE_ACTION_TAG)) {
+		status = rte_table_action_apply(a,
+			data,
+			RTE_TABLE_ACTION_TAG,
+			&action->tag);
+
+		if (status)
+			return status;
+	}
+
 	return 0;
 }
 
-- 
2.7.4