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Message-Id: <20230821023833.2700902-15-junfeng.guo@intel.com>
Date: Mon, 21 Aug 2023 10:38:32 +0800
From: Junfeng Guo <junfeng.guo@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
jesse.brandeburg@...el.com,
qi.z.zhang@...el.com,
ivecera@...hat.com,
sridhar.samudrala@...el.com,
Junfeng Guo <junfeng.guo@...el.com>
Subject: [PATCH iwl-next v5 14/15] ice: add tunnel port support for parser
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@...el.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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