netdev - [PATCH net-next 02/13] mlxsw: reg: Add Monitoring Mirror Trigger Enable Register

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Date:   Fri, 10 Jul 2020 16:56:55 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, jiri@...lanox.com,
        petrm@...lanox.com, mlxsw@...lanox.com, michael.chan@...adcom.com,
        saeedm@...lanox.com, leon@...nel.org, pablo@...filter.org,
        kadlec@...filter.org, fw@...len.de, jhs@...atatu.com,
        xiyou.wangcong@...il.com, simon.horman@...ronome.com,
        Amit Cohen <amitc@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 02/13] mlxsw: reg: Add Monitoring Mirror Trigger Enable Register

From: Amit Cohen <amitc@...lanox.com>

This register is used to configure the mirror enable for different
mirror reasons.

Signed-off-by: Amit Cohen <amitc@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
Reviewed-by: Petr Machata <petrm@...lanox.com>
Signed-off-by: Petr Machata <petrm@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 50 +++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index b76c839223b5..aa2fd7debec2 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -9502,6 +9502,55 @@ MLXSW_ITEM32(reg, mogcr, ptp_iftc, 0x00, 1, 1);
  */
 MLXSW_ITEM32(reg, mogcr, ptp_eftc, 0x00, 0, 1);
 
+/* MOMTE - Monitoring Mirror Trigger Enable Register
+ * -------------------------------------------------
+ * This register is used to configure the mirror enable for different mirror
+ * reasons.
+ */
+#define MLXSW_REG_MOMTE_ID 0x908D
+#define MLXSW_REG_MOMTE_LEN 0x10
+
+MLXSW_REG_DEFINE(momte, MLXSW_REG_MOMTE_ID, MLXSW_REG_MOMTE_LEN);
+
+/* reg_momte_local_port
+ * Local port number.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, momte, local_port, 0x00, 16, 8);
+
+enum mlxsw_reg_momte_type {
+	MLXSW_REG_MOMTE_TYPE_WRED = 0x20,
+	MLXSW_REG_MOMTE_TYPE_SHARED_BUFFER_TCLASS = 0x31,
+	MLXSW_REG_MOMTE_TYPE_SHARED_BUFFER_TCLASS_DESCRIPTORS = 0x32,
+	MLXSW_REG_MOMTE_TYPE_SHARED_BUFFER_EGRESS_PORT = 0x33,
+	MLXSW_REG_MOMTE_TYPE_ING_CONG = 0x40,
+	MLXSW_REG_MOMTE_TYPE_EGR_CONG = 0x50,
+	MLXSW_REG_MOMTE_TYPE_ECN = 0x60,
+	MLXSW_REG_MOMTE_TYPE_HIGH_LATENCY = 0x70,
+};
+
+/* reg_momte_type
+ * Type of mirroring.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, momte, type, 0x04, 0, 8);
+
+/* reg_momte_tclass_en
+ * TClass/PG mirror enable. Each bit represents corresponding tclass.
+ * 0: disable (default)
+ * 1: enable
+ * Access: RW
+ */
+MLXSW_ITEM_BIT_ARRAY(reg, momte, tclass_en, 0x08, 0x08, 1);
+
+static inline void mlxsw_reg_momte_pack(char *payload, u8 local_port,
+					enum mlxsw_reg_momte_type type)
+{
+	MLXSW_REG_ZERO(momte, payload);
+	mlxsw_reg_momte_local_port_set(payload, local_port);
+	mlxsw_reg_momte_type_set(payload, type);
+}
+
 /* MTPPPC - Time Precision Packet Port Configuration
  * -------------------------------------------------
  * This register serves for configuration of which PTP messages should be
@@ -10853,6 +10902,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
 	MLXSW_REG(mgpc),
 	MLXSW_REG(mprs),
 	MLXSW_REG(mogcr),
+	MLXSW_REG(momte),
 	MLXSW_REG(mtpppc),
 	MLXSW_REG(mtpptr),
 	MLXSW_REG(mtptpt),
-- 
2.26.2