ice: Add support for tunnel offloads

Create a boost TCAM entry for each tunnel port in order to get a tunnel
PTYPE. Update netdev feature flags and implement the appropriate logic to
get and set values for hardware offloads.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_flex_type.h b/drivers/net/ethernet/intel/ice/ice_flex_type.h
index 0fb3fe3ff3ea..249fb66fc230 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_type.h
@@ -149,6 +149,7 @@ struct ice_buf_hdr {
 #define ICE_SID_CDID_REDIR_RSS		48
 
 #define ICE_SID_RXPARSER_BOOST_TCAM	56
+#define ICE_SID_TXPARSER_BOOST_TCAM	66
 
 #define ICE_SID_XLT0_PE			80
 #define ICE_SID_XLT_KEY_BUILDER_PE	81
@@ -291,6 +292,38 @@ struct ice_pkg_enum {
 	void *(*handler)(u32 sect_type, void *section, u32 index, u32 *offset);
 };
 
+/* Tunnel enabling */
+
+enum ice_tunnel_type {
+	TNL_VXLAN = 0,
+	TNL_GENEVE,
+	TNL_LAST = 0xFF,
+	TNL_ALL = 0xFF,
+};
+
+struct ice_tunnel_type_scan {
+	enum ice_tunnel_type type;
+	const char *label_prefix;
+};
+
+struct ice_tunnel_entry {
+	enum ice_tunnel_type type;
+	u16 boost_addr;
+	u16 port;
+	u16 ref;
+	struct ice_boost_tcam_entry *boost_entry;
+	u8 valid;
+	u8 in_use;
+	u8 marked;
+};
+
+#define ICE_TUNNEL_MAX_ENTRIES	16
+
+struct ice_tunnel_table {
+	struct ice_tunnel_entry tbl[ICE_TUNNEL_MAX_ENTRIES];
+	u16 count;
+};
+
 struct ice_pkg_es {
 	__le16 count;
 	__le16 offset;