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From: Junfeng Guo <junfeng.guo@intel.com>
To: intel-wired-lan@lists.osuosl.org
Cc: ivecera@redhat.com, netdev@vger.kernel.org, qi.z.zhang@intel.com,
	jesse.brandeburg@intel.com, edumazet@google.com,
	anthony.l.nguyen@intel.com, horms@kernel.org, kuba@kernel.org,
	pabeni@redhat.com, davem@davemloft.net
Subject: [Intel-wired-lan] [PATCH iwl-next v9 14/15] ice: add tunnel port support for parser
Date: Mon,  4 Sep 2023 10:14:54 +0800	[thread overview]
Message-ID: <20230904021455.3944605-15-junfeng.guo@intel.com> (raw)
In-Reply-To: <20230904021455.3944605-1-junfeng.guo@intel.com>

UDP tunnel can be added/deleted for vxlan, geneve, ecpri through
below APIs:
- ice_parser_vxlan_tunnel_set
- ice_parser_geneve_tunnel_set
- ice_parser_ecpri_tunnel_set

Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_parser.c | 85 +++++++++++++++++++++
 drivers/net/ethernet/intel/ice/ice_parser.h | 10 +++
 2 files changed, 95 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
index 5ce98cd303e1..85a2833ffc58 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -361,3 +361,88 @@ void ice_parser_dvm_set(struct ice_parser *psr, bool on)
 	_ice_bst_vm_set(psr, "BOOST_MAC_VLAN_DVM", on);
 	_ice_bst_vm_set(psr, "BOOST_MAC_VLAN_SVM", !on);
 }
+
+static int _ice_tunnel_port_set(struct ice_parser *psr, const char *prefix,
+				u16 udp_port, bool on)
+{
+	u8 *buf = (u8 *)&udp_port;
+	u16 i = 0;
+
+	while (true) {
+		struct ice_bst_tcam_item *item;
+
+		item = ice_bst_tcam_search(psr->bst_tcam_table,
+					   psr->bst_lbl_table,
+					   prefix, &i);
+		if (!item)
+			break;
+
+		/* found empty slot to add */
+		if (on && item->key[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY &&
+		    item->key_inv[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY) {
+			item->key_inv[ICE_BT_TUN_PORT_OFF_L] =
+						buf[ICE_UDP_PORT_OFF_L];
+			item->key_inv[ICE_BT_TUN_PORT_OFF_H] =
+						buf[ICE_UDP_PORT_OFF_H];
+
+			item->key[ICE_BT_TUN_PORT_OFF_L] =
+				(u8)(ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_L]);
+			item->key[ICE_BT_TUN_PORT_OFF_H] =
+				(u8)(ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_H]);
+
+			return 0;
+		/* found a matched slot to delete */
+		} else if (!on &&
+			   (item->key_inv[ICE_BT_TUN_PORT_OFF_L] ==
+			    buf[ICE_UDP_PORT_OFF_L] ||
+			    item->key_inv[ICE_BT_TUN_PORT_OFF_H] ==
+			    buf[ICE_UDP_PORT_OFF_H])) {
+			item->key_inv[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY;
+			item->key_inv[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY;
+
+			item->key[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY;
+			item->key[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY;
+
+			return 0;
+		}
+		i++;
+	}
+
+	return -EINVAL;
+}
+
+/**
+ * ice_parser_vxlan_tunnel_set - configure vxlan tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: vxlan tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+int ice_parser_vxlan_tunnel_set(struct ice_parser *psr,
+				u16 udp_port, bool on)
+{
+	return _ice_tunnel_port_set(psr, "TNL_VXLAN", udp_port, on);
+}
+
+/**
+ * ice_parser_geneve_tunnel_set - configure geneve tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: geneve tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+int ice_parser_geneve_tunnel_set(struct ice_parser *psr,
+				 u16 udp_port, bool on)
+{
+	return _ice_tunnel_port_set(psr, "TNL_GENEVE", udp_port, on);
+}
+
+/**
+ * ice_parser_ecpri_tunnel_set - configure ecpri tunnel for parser
+ * @psr: pointer to a parser instance
+ * @udp_port: ecpri tunnel port in UDP header
+ * @on: true to turn on; false to turn off
+ */
+int ice_parser_ecpri_tunnel_set(struct ice_parser *psr,
+				u16 udp_port, bool on)
+{
+	return _ice_tunnel_port_set(psr, "TNL_UDP_ECPRI", udp_port, on);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
index c9eee988ebb2..3cfcec4dc477 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -33,6 +33,10 @@
 #define ICE_SID_LBL_ENTRY_SIZE				66
 
 #define ICE_PARSER_PROTO_OFF_PAIR_SIZE			16
+#define ICE_BT_TUN_PORT_OFF_H				16
+#define ICE_BT_TUN_PORT_OFF_L				15
+#define ICE_UDP_PORT_OFF_H				1
+#define ICE_UDP_PORT_OFF_L				0
 #define ICE_BT_VM_OFF					0
 
 struct ice_parser {
@@ -76,6 +80,12 @@ struct ice_parser {
 int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);
 void ice_parser_destroy(struct ice_parser *psr);
 void ice_parser_dvm_set(struct ice_parser *psr, bool on);
+int ice_parser_vxlan_tunnel_set(struct ice_parser *psr,
+				u16 udp_port, bool on);
+int ice_parser_geneve_tunnel_set(struct ice_parser *psr,
+				 u16 udp_port, bool on);
+int ice_parser_ecpri_tunnel_set(struct ice_parser *psr,
+				u16 udp_port, bool on);
 
 struct ice_parser_proto_off {
 	u8 proto_id;	/* hardware protocol ID */
-- 
2.25.1

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  parent reply	other threads:[~2023-09-04  2:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-04  2:14 [Intel-wired-lan] [PATCH iwl-next v9 00/15] Introduce the Parser Library Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 01/15] ice: add parser create and destroy skeleton Junfeng Guo
2023-09-06 10:49   ` Michal Schmidt
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 02/15] ice: init imem table for parser Junfeng Guo
2023-09-06 10:50   ` Michal Schmidt
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 03/15] ice: init metainit " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 04/15] ice: init parse graph cam tables " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 05/15] ice: init boost tcam and label " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 06/15] ice: init ptype marker tcam table " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 07/15] ice: init marker and protocol group tables " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 08/15] ice: init flag redirect table " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 09/15] ice: init XLT key builder " Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 10/15] ice: add parser runtime skeleton Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 11/15] ice: add internal help functions Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 12/15] ice: add parser execution main loop Junfeng Guo
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 13/15] ice: support double vlan mode configure for parser Junfeng Guo
2023-09-04  2:14 ` Junfeng Guo [this message]
2023-09-04  2:14 ` [Intel-wired-lan] [PATCH iwl-next v9 15/15] ice: add API for parser profile initialization Junfeng Guo
2023-09-05 22:37 ` [Intel-wired-lan] [PATCH iwl-next v9 00/15] Introduce the Parser Library Jakub Kicinski
2023-09-05 23:05   ` Tom Herbert
2023-09-07 19:10     ` Samudrala, Sridhar
2023-09-09 17:34       ` Tom Herbert
2023-09-12 20:37         ` Samudrala, Sridhar
2023-09-07 19:08   ` Samudrala, Sridhar
2023-09-07 19:38     ` Jakub Kicinski

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