diff mbox series

[iwl-next,v9,14/15] ice: add tunnel port support for parser

Message ID 20230904021455.3944605-15-junfeng.guo@intel.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series Introduce the Parser Library | expand

Checks

Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1330 this patch: 1330
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 1353 this patch: 1353
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1353 this patch: 1353
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 110 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Guo, Junfeng Sept. 4, 2023, 2:14 a.m. UTC 
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 mbox series

Patch

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 */