From 16d2d653253728edf40061abb2dcaeb68068db52 Mon Sep 17 00:00:00 2001
From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Date: Tue, 9 Oct 2018 14:44:15 +0100
Subject: [PATCH] net/softnic: support packet tag action

Add support for packet tag table action.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 drivers/net/softnic/rte_eth_softnic_action.c  | 11 ++++++
 drivers/net/softnic/rte_eth_softnic_cli.c     | 38 +++++++++++++++++++
 .../net/softnic/rte_eth_softnic_internals.h   |  1 +
 drivers/net/softnic/rte_eth_softnic_thread.c  | 10 +++++
 4 files changed, 60 insertions(+)

diff --git a/drivers/net/softnic/rte_eth_softnic_action.c b/drivers/net/softnic/rte_eth_softnic_action.c
index c5426889ed..133dd06a34 100644
--- a/drivers/net/softnic/rte_eth_softnic_action.c
+++ b/drivers/net/softnic/rte_eth_softnic_action.c
@@ -364,6 +364,17 @@ softnic_table_action_profile_create(struct pmd_internals *p,
 		}
 	}
 
+	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/drivers/net/softnic/rte_eth_softnic_cli.c b/drivers/net/softnic/rte_eth_softnic_cli.c
index dc8ccdc733..31c37da5c5 100644
--- a/drivers/net/softnic/rte_eth_softnic_cli.c
+++ b/drivers/net/softnic/rte_eth_softnic_cli.c
@@ -1279,6 +1279,7 @@ cmd_port_in_action_profile(struct pmd_internals *softnic,
  *      stats none | pkts]
  *  [stats pkts | bytes | both]
  *  [time]
+ *  [tag]
  */
 static void
 cmd_table_action_profile(struct pmd_internals *softnic,
@@ -1610,6 +1611,12 @@ cmd_table_action_profile(struct pmd_internals *softnic,
 		t0 += 1;
 	} /* time */
 
+	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;
@@ -3176,6 +3183,7 @@ parse_match(char **tokens,
  *    [ttl dec | keep]
  *    [stats]
  *    [time]
+ *    [tag <tag>]
  *
  * where:
  *    <pa> ::= g | y | r | drop
@@ -3665,6 +3673,22 @@ parse_table_action_time(char **tokens,
 	return 1;
 }
 
+static uint32_t
+parse_table_action_tag(char **tokens,
+	uint32_t n_tokens,
+	struct softnic_table_rule_action *a)
+{
+	if (n_tokens < 2 ||
+		strcmp(tokens[0], "tag"))
+		return 0;
+
+	if (softnic_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,
@@ -3809,6 +3833,20 @@ parse_table_action(char **tokens,
 		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;
+		}
+
+		tokens += n;
+		n_tokens -= n;
+	}
+
 	if (n_tokens0 - n_tokens == 1) {
 		snprintf(out, out_size, MSG_ARG_INVALID, "action");
 		return 0;
diff --git a/drivers/net/softnic/rte_eth_softnic_internals.h b/drivers/net/softnic/rte_eth_softnic_internals.h
index 78864e7aae..1623ff8864 100644
--- a/drivers/net/softnic/rte_eth_softnic_internals.h
+++ b/drivers/net/softnic/rte_eth_softnic_internals.h
@@ -897,6 +897,7 @@ struct softnic_table_rule_action {
 	struct rte_table_action_ttl_params ttl;
 	struct rte_table_action_stats_params stats;
 	struct rte_table_action_time_params time;
+	struct rte_table_action_tag_params tag;
 };
 
 struct rte_flow {
diff --git a/drivers/net/softnic/rte_eth_softnic_thread.c b/drivers/net/softnic/rte_eth_softnic_thread.c
index 87b5592b0d..e1d002e712 100644
--- a/drivers/net/softnic/rte_eth_softnic_thread.c
+++ b/drivers/net/softnic/rte_eth_softnic_thread.c
@@ -2478,6 +2478,16 @@ 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;
 }
 
-- 
2.20.1