netdev - [PATCH net-next 17/19] mlxsw: reg: Add Monitoring Parsing State Register

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Date:   Thu, 11 Oct 2018 07:48:08 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Petr Machata <petrm@...lanox.com>, mlxsw <mlxsw@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 17/19] mlxsw: reg: Add Monitoring Parsing State
 Register

This register is used for setting up the parsing for hash, policy-engine
and routing.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Reviewed-by: Petr Machata <petrm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 44 +++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 068af0ea7574..32cb6718bb17 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -8348,6 +8348,49 @@ static inline void mlxsw_reg_mgpc_pack(char *payload, u32 counter_index,
 	mlxsw_reg_mgpc_opcode_set(payload, opcode);
 }
 
+/* MPRS - Monitoring Parsing State Register
+ * ----------------------------------------
+ * The MPRS register is used for setting up the parsing for hash,
+ * policy-engine and routing.
+ */
+#define MLXSW_REG_MPRS_ID 0x9083
+#define MLXSW_REG_MPRS_LEN 0x14
+
+MLXSW_REG_DEFINE(mprs, MLXSW_REG_MPRS_ID, MLXSW_REG_MPRS_LEN);
+
+/* reg_mprs_parsing_depth
+ * Minimum parsing depth.
+ * Need to enlarge parsing depth according to L3, MPLS, tunnels, ACL
+ * rules, traps, hash, etc. Default is 96 bytes. Reserved when SwitchX-2.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mprs, parsing_depth, 0x00, 0, 16);
+
+/* reg_mprs_parsing_en
+ * Parsing enable.
+ * Bit 0 - Enable parsing of NVE of types VxLAN, VxLAN-GPE, GENEVE and
+ * NVGRE. Default is enabled. Reserved when SwitchX-2.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mprs, parsing_en, 0x04, 0, 16);
+
+/* reg_mprs_vxlan_udp_dport
+ * VxLAN UDP destination port.
+ * Used for identifying VxLAN packets and for dport field in
+ * encapsulation. Default is 4789.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, mprs, vxlan_udp_dport, 0x10, 0, 16);
+
+static inline void mlxsw_reg_mprs_pack(char *payload, u16 parsing_depth,
+				       u16 vxlan_udp_dport)
+{
+	MLXSW_REG_ZERO(mprs, payload);
+	mlxsw_reg_mprs_parsing_depth_set(payload, parsing_depth);
+	mlxsw_reg_mprs_parsing_en_set(payload, true);
+	mlxsw_reg_mprs_vxlan_udp_dport_set(payload, vxlan_udp_dport);
+}
+
 /* TNGCR - Tunneling NVE General Configuration Register
  * ----------------------------------------------------
  * The TNGCR register is used for setting up the NVE Tunneling configuration.
@@ -9356,6 +9399,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
 	MLXSW_REG(mcc),
 	MLXSW_REG(mcda),
 	MLXSW_REG(mgpc),
+	MLXSW_REG(mprs),
 	MLXSW_REG(tngcr),
 	MLXSW_REG(tnumt),
 	MLXSW_REG(tnqcr),
-- 
2.17.1