[PATCH v2] net/ice: refact parser API usage

[Qi Zhang <qi.z.zhang@intel.com>]

Not necessary to create / destroy a parser instance for every raw packet
rule. A global parser instance will be created in ice_flow_init and be
destroyed in ice_flow_uninit.

Also, ice_dev_udp_tunnel_port_add has been hooked to perform corresponding
parser configure. This also fix the issue that RSS engine can't support
VXLAN inner through raw packet filter.

Fixes: 1b9c68120a1c ("net/ice: enable protocol agnostic flow offloading in RSS")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/ice_ethdev.c       | 10 ++++++++++
 drivers/net/ice/ice_ethdev.h       |  1 +
 drivers/net/ice/ice_fdir_filter.c  | 15 +++++----------
 drivers/net/ice/ice_generic_flow.c |  8 ++++++++
 4 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 73e550f5fb..8bb34b874b 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -5621,6 +5621,8 @@ ice_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
 {
 	int ret = 0;
 	struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct ice_adapter *ad =
+		ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 
 	if (udp_tunnel == NULL)
 		return -EINVAL;
@@ -5628,6 +5630,9 @@ ice_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
 	switch (udp_tunnel->prot_type) {
 	case RTE_ETH_TUNNEL_TYPE_VXLAN:
 		ret = ice_create_tunnel(hw, TNL_VXLAN, udp_tunnel->udp_port);
+		if (!ret && ad->psr != NULL)
+			ice_parser_vxlan_tunnel_set(ad->psr,
+					udp_tunnel->udp_port, true);
 		break;
 	default:
 		PMD_DRV_LOG(ERR, "Invalid tunnel type");
@@ -5645,6 +5650,8 @@ ice_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
 {
 	int ret = 0;
 	struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct ice_adapter *ad =
+		ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 
 	if (udp_tunnel == NULL)
 		return -EINVAL;
@@ -5652,6 +5659,9 @@ ice_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
 	switch (udp_tunnel->prot_type) {
 	case RTE_ETH_TUNNEL_TYPE_VXLAN:
 		ret = ice_destroy_tunnel(hw, udp_tunnel->udp_port, 0);
+		if (!ret && ad->psr != NULL)
+			ice_parser_vxlan_tunnel_set(ad->psr,
+					udp_tunnel->udp_port, false);
 		break;
 	default:
 		PMD_DRV_LOG(ERR, "Invalid tunnel type");
diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h
index 3ab310628f..3d8427225f 100644
--- a/drivers/net/ice/ice_ethdev.h
+++ b/drivers/net/ice/ice_ethdev.h
@@ -561,6 +561,7 @@ struct ice_adapter {
 	struct ice_rss_prof_info rss_prof_info[ICE_MAX_PTGS];
 	/* True if DCF state of the associated PF is on */
 	bool dcf_state_on;
+	struct ice_parser *psr;
 #ifdef RTE_ARCH_X86
 	bool rx_use_avx2;
 	bool rx_use_avx512;
diff --git a/drivers/net/ice/ice_fdir_filter.c b/drivers/net/ice/ice_fdir_filter.c
index 7954c6d8ea..894e593dc7 100644
--- a/drivers/net/ice/ice_fdir_filter.c
+++ b/drivers/net/ice/ice_fdir_filter.c
@@ -1826,7 +1826,6 @@ ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
 	struct ice_fdir_v4 *p_v4 = NULL;
 	struct ice_fdir_v6 *p_v6 = NULL;
 	struct ice_parser_result rslt;
-	struct ice_parser *psr;
 	uint8_t item_num = 0;
 
 	for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
@@ -1861,6 +1860,10 @@ ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
 
 		switch (item_type) {
 		case RTE_FLOW_ITEM_TYPE_RAW: {
+
+			if (ad->psr == NULL)
+				return -rte_errno;
+
 			raw_spec = item->spec;
 			raw_mask = item->mask;
 
@@ -1872,7 +1875,6 @@ ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
 				(uint8_t *)(uintptr_t)raw_spec->pattern;
 			unsigned char *tmp_mask =
 				(uint8_t *)(uintptr_t)raw_mask->pattern;
-			uint16_t udp_port = 0;
 			uint16_t tmp_val = 0;
 			uint8_t pkt_len = 0;
 			uint8_t tmp = 0;
@@ -1921,15 +1923,8 @@ ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
 
 			pkt_len /= 2;
 
-			if (ice_parser_create(&ad->hw, &psr))
-				return -rte_errno;
-			if (ice_get_open_tunnel_port(&ad->hw, TNL_VXLAN,
-						     &udp_port))
-				ice_parser_vxlan_tunnel_set(psr, udp_port,
-							    true);
-			if (ice_parser_run(psr, tmp_spec, pkt_len, &rslt))
+			if (ice_parser_run(ad->psr, tmp_spec, pkt_len, &rslt))
 				return -rte_errno;
-			ice_parser_destroy(psr);
 
 			if (!tmp_mask)
 				return -rte_errno;
diff --git a/drivers/net/ice/ice_generic_flow.c b/drivers/net/ice/ice_generic_flow.c
index 53b1c0b69a..57eb002bde 100644
--- a/drivers/net/ice/ice_generic_flow.c
+++ b/drivers/net/ice/ice_generic_flow.c
@@ -1831,6 +1831,9 @@ ice_flow_init(struct ice_adapter *ad)
 	TAILQ_INIT(&pf->dist_parser_list);
 	rte_spinlock_init(&pf->flow_ops_lock);
 
+	if (ice_parser_create(&ad->hw, &ad->psr) != ICE_SUCCESS)
+		PMD_INIT_LOG(WARNING, "Failed to initialize DDP parser, raw packet filter will not be supported");
+
 	RTE_TAILQ_FOREACH_SAFE(engine, &engine_list, node, temp) {
 		if (engine->init == NULL) {
 			PMD_INIT_LOG(ERR, "Invalid engine type (%d)",
@@ -1885,6 +1888,11 @@ ice_flow_uninit(struct ice_adapter *ad)
 		TAILQ_REMOVE(&pf->dist_parser_list, p_parser, node);
 		rte_free(p_parser);
 	}
+
+	if (ad->psr != NULL) {
+		ice_parser_destroy(ad->psr);
+		ad->psr = NULL;
+	}
 }
 
 static struct ice_parser_list *
-- 
2.31.1