From d5ed626f61b2577c63e5fb67526b531150d5105c Mon Sep 17 00:00:00 2001
From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Date: Wed, 10 Oct 2018 14:15:23 +0100
Subject: [PATCH] examples/ip_pipeline: support packet decap action

Add support for packet decap table action.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 examples/ip_pipeline/action.c   | 11 ++++++++++
 examples/ip_pipeline/cli.c      | 39 ++++++++++++++++++++++++++++++++-
 examples/ip_pipeline/pipeline.h |  1 +
 examples/ip_pipeline/thread.c   | 10 +++++++++
 4 files changed, 60 insertions(+), 1 deletion(-)

diff --git a/examples/ip_pipeline/action.c b/examples/ip_pipeline/action.c
index 3f825a0624..d2104aad6e 100644
--- a/examples/ip_pipeline/action.c
+++ b/examples/ip_pipeline/action.c
@@ -355,6 +355,17 @@ table_action_profile_create(const char *name,
 		}
 	}
 
+	if (params->action_mask & (1LLU << RTE_TABLE_ACTION_DECAP)) {
+		status = rte_table_action_profile_action_register(ap,
+			RTE_TABLE_ACTION_DECAP,
+			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 a85d04c4e2..d1e5540727 100644
--- a/examples/ip_pipeline/cli.c
+++ b/examples/ip_pipeline/cli.c
@@ -1033,7 +1033,8 @@ static const char cmd_table_action_profile_help[] =
 "   [sym_crypto dev <CRYPTODEV_NAME> offset <op_offset> "
 "       mempool_create <mempool_name>\n"
 "       mempool_init <mempool_name>]\n"
-"   [tag]\n";
+"   [tag]\n"
+"   [decap]\n";
 
 static void
 cmd_table_action_profile(char **tokens,
@@ -1457,6 +1458,11 @@ cmd_table_action_profile(char **tokens,
 		t0 += 1;
 	} /* tag */
 
+	if ((t0 < n_tokens) && (strcmp(tokens[t0], "decap") == 0)) {
+		p.action_mask |= 1LLU << RTE_TABLE_ACTION_DECAP;
+		t0 += 1;
+	} /* decap */
+
 	if (t0 < n_tokens) {
 		snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
 		return;
@@ -3114,6 +3120,7 @@ parse_match(char **tokens,
  *          digest_size <size>
  *       data_offset <data_offset>]
  *    [tag <tag>]
+ *    [decap <n>]
  *
  * where:
  *    <pa> ::= g | y | r | drop
@@ -4090,6 +4097,22 @@ parse_table_action_tag(char **tokens,
 	return 2;
 }
 
+static uint32_t
+parse_table_action_decap(char **tokens,
+	uint32_t n_tokens,
+	struct table_rule_action *a)
+{
+	if ((n_tokens < 2) ||
+		strcmp(tokens[0], "decap"))
+		return 0;
+
+	if (parser_read_uint16(&a->decap.n, tokens[1]))
+		return 0;
+
+	a->action_mask |= 1 << RTE_TABLE_ACTION_DECAP;
+	return 2;
+}
+
 static uint32_t
 parse_table_action(char **tokens,
 	uint32_t n_tokens,
@@ -4261,6 +4284,20 @@ parse_table_action(char **tokens,
 		n_tokens -= n;
 	}
 
+	if (n_tokens && (strcmp(tokens[0], "decap") == 0)) {
+		uint32_t n;
+
+		n = parse_table_action_decap(tokens, n_tokens, a);
+		if (n == 0) {
+			snprintf(out, out_size, MSG_ARG_INVALID,
+				"action decap");
+			return 0;
+		}
+
+		tokens += n;
+		n_tokens -= n;
+	}
+
 	if (n_tokens0 - n_tokens == 1) {
 		snprintf(out, out_size, MSG_ARG_INVALID, "action");
 		return 0;
diff --git a/examples/ip_pipeline/pipeline.h b/examples/ip_pipeline/pipeline.h
index 73485f6aa8..e5b1d5d08f 100644
--- a/examples/ip_pipeline/pipeline.h
+++ b/examples/ip_pipeline/pipeline.h
@@ -283,6 +283,7 @@ struct table_rule_action {
 	struct rte_table_action_time_params time;
 	struct rte_table_action_sym_crypto_params sym_crypto;
 	struct rte_table_action_tag_params tag;
+	struct rte_table_action_decap_params decap;
 };
 
 int
diff --git a/examples/ip_pipeline/thread.c b/examples/ip_pipeline/thread.c
index 41891f47f9..4bd971fdd5 100644
--- a/examples/ip_pipeline/thread.c
+++ b/examples/ip_pipeline/thread.c
@@ -2504,6 +2504,16 @@ action_convert(struct rte_table_action *a,
 			return status;
 	}
 
+	if (action->action_mask & (1LLU << RTE_TABLE_ACTION_DECAP)) {
+		status = rte_table_action_apply(a,
+			data,
+			RTE_TABLE_ACTION_DECAP,
+			&action->decap);
+
+		if (status)
+			return status;
+	}
+
 	return 0;
 }
 
-- 
2.20.1