[dpdk-dev] [PATCH 2/2] examples/ipsec-secgw: add target queues in flow actions

[Nelio Laranjeiro]

Mellanox INNOVA NIC needs to have final target queue actions to perform
inline crypto.

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
 examples/ipsec-secgw/ipsec.c | 27 ++++++++++++++++++++++++++-
 examples/ipsec-secgw/ipsec.h |  2 +-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index 17bd7620d..e967f88b3 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -142,6 +142,22 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 							rte_eth_dev_get_sec_ctx(
 							sa->portid);
 			const struct rte_security_capability *sec_cap;
+			uint8_t rss_key[40];
+			struct rte_eth_rss_conf rss_conf = {
+				.rss_key = rss_key,
+				.rss_key_len = 40,
+			};
+			struct rte_eth_dev *eth_dev;
+			union {
+				struct rte_flow_action_rss rss;
+				struct {
+					const struct rte_eth_rss_conf *rss_conf;
+					uint16_t num;
+					uint16_t queue[RTE_MAX_QUEUES_PER_PORT];
+				} local;
+			} action_rss;
+			unsigned int i;
+			unsigned int j;
 
 			sa->sec_session = rte_security_session_create(ctx,
 					&sess_conf, ipsec_ctx->session_pool);
@@ -201,7 +217,16 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 			sa->action[0].type = RTE_FLOW_ACTION_TYPE_SECURITY;
 			sa->action[0].conf = sa->sec_session;
 
-			sa->action[1].type = RTE_FLOW_ACTION_TYPE_END;
+			sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
+			sa->action[1].conf = &action_rss;
+			eth_dev = ctx->device;
+			rte_eth_dev_rss_hash_conf_get(sa->portid, &rss_conf);
+			for (i = 0, j = 0; i < eth_dev->data->nb_rx_queues; ++i)
+				if (eth_dev->data->rx_queues[i])
+					action_rss.local.queue[j++] = i;
+			action_rss.local.num = j;
+			action_rss.local.rss_conf = &rss_conf;
+			sa->action[2].type = RTE_FLOW_ACTION_TYPE_END;
 
 			sa->attr.egress = (sa->direction ==
 					RTE_SECURITY_IPSEC_SA_DIR_EGRESS);
diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h
index 775b316ff..82ffc1c6d 100644
--- a/examples/ipsec-secgw/ipsec.h
+++ b/examples/ipsec-secgw/ipsec.h
@@ -133,7 +133,7 @@ struct ipsec_sa {
 	uint32_t ol_flags;
 
 #define MAX_RTE_FLOW_PATTERN (4)
-#define MAX_RTE_FLOW_ACTIONS (2)
+#define MAX_RTE_FLOW_ACTIONS (4)
 	struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN];
 	struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS];
 	struct rte_flow_attr attr;
-- 
2.11.0