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From: Roger Quadros <rogerq@kernel.org>
Date: Thu, 06 Jun 2024 15:09:20 +0300
Subject: [PATCH RFC net-next 4/7] net: ethernet: ti: cpsw_ale: add Policer
 and Thread control register fields
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Message-Id: <20240606-am65-cpsw-multi-rx-v1-4-0704b0cb6fdc@kernel.org>
References: <20240606-am65-cpsw-multi-rx-v1-0-0704b0cb6fdc@kernel.org>
In-Reply-To: <20240606-am65-cpsw-multi-rx-v1-0-0704b0cb6fdc@kernel.org>
To: "David S. Miller" <davem@davemloft.net>, 
 Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, 
 Paolo Abeni <pabeni@redhat.com>, Siddharth Vadapalli <s-vadapalli@ti.com>
Cc: Andrew Lunn <andrew@lunn.ch>, srk@ti.com, vigneshr@ti.com, 
 danishanwar@ti.com, pekka Varis <p-varis@ti.com>, netdev@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, 
 Roger Quadros <rogerq@kernel.org>

Adds regfileds for Policer registers and Thread mapping/control registers.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
 drivers/net/ethernet/ti/cpsw_ale.c | 86 ++++++++++++++++++++++++++++++++++++++
 drivers/net/ethernet/ti/cpsw_ale.h | 41 ++++++++++++++++++
 2 files changed, 127 insertions(+)

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 07a60e9eafbd..cbcc6573d7f3 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -46,6 +46,24 @@
 #define ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS	0x9C
 #define ALE_VLAN_MASK_MUX(reg)			(0xc0 + (0x4 * (reg)))
 
+#define ALE_POLICER_PORT_OUI		0x100
+#define ALE_POLICER_DA_SA		0x104
+#define ALE_POLICER_VLAN		0x108
+#define ALE_POLICER_ETHERTYPE_IPSA	0x10c
+#define ALE_POLICER_IPDA		0x110
+#define ALE_POLICER_PIR			0x118
+#define ALE_POLICER_CIR			0x11c
+#define ALE_POLICER_TBL_CTL		0x120
+#define ALE_POLICER_CTL			0x124
+#define ALE_POLICER_TEST_CTL		0x128
+#define ALE_POLICER_HIT_STATUS		0x12c
+#define ALE_THREAD_DEF			0x134
+#define ALE_THREAD_CTL			0x138
+#define ALE_THREAD_VAL			0x13c
+
+#define ALE_POLICER_TBL_WRITE_ENABLE	BIT(31)
+#define ALE_POLICER_TBL_INDEX_MASK	GENMASK(4, 0)
+
 #define AM65_CPSW_ALE_THREAD_DEF_REG 0x134
 
 /* ALE_AGING_TIMER */
@@ -1306,6 +1324,74 @@ static const struct reg_field ale_fields_cpsw_nu[] = {
 	/* CPSW_ALE_STATUS_REG */
 	[ENTRIES]	= REG_FIELD(ALE_STATUS, 0, 7),
 	[POLICERS]	= REG_FIELD(ALE_STATUS, 8, 15),
+	/* CPSW_ALE_POLICER_PORT_OUI_REG */
+	[POL_PORT_MEN]	= REG_FIELD(ALE_POLICER_PORT_OUI, 31, 31),
+	[POL_TRUNK_ID]	= REG_FIELD(ALE_POLICER_PORT_OUI, 30, 30),
+	[POL_PORT_NUM]	= REG_FIELD(ALE_POLICER_PORT_OUI, 25, 25),
+	[POL_PRI_MEN]	= REG_FIELD(ALE_POLICER_PORT_OUI, 19, 19),
+	[POL_PRI_VAL]	= REG_FIELD(ALE_POLICER_PORT_OUI, 16, 18),
+	[POL_OUI_MEN]	= REG_FIELD(ALE_POLICER_PORT_OUI, 15, 15),
+	[POL_OUI_INDEX]	= REG_FIELD(ALE_POLICER_PORT_OUI, 0, 5),
+
+	/* CPSW_ALE_POLICER_DA_SA_REG */
+	[POL_DST_MEN]	= REG_FIELD(ALE_POLICER_DA_SA, 31, 31),
+	[POL_DST_INDEX]	= REG_FIELD(ALE_POLICER_DA_SA, 16, 21),
+	[POL_SRC_MEN]	= REG_FIELD(ALE_POLICER_DA_SA, 15, 15),
+	[POL_SRC_INDEX]	= REG_FIELD(ALE_POLICER_DA_SA, 0, 5),
+
+	/* CPSW_ALE_POLICER_VLAN_REG */
+	[POL_OVLAN_MEN]		= REG_FIELD(ALE_POLICER_VLAN, 31, 31),
+	[POL_OVLAN_INDEX]	= REG_FIELD(ALE_POLICER_VLAN, 16, 21),
+	[POL_IVLAN_MEN]		= REG_FIELD(ALE_POLICER_VLAN, 15, 15),
+	[POL_IVLAN_INDEX]	= REG_FIELD(ALE_POLICER_VLAN, 0, 5),
+
+	/* CPSW_ALE_POLICER_ETHERTYPE_IPSA_REG */
+	[POL_ETHERTYPE_MEN]	= REG_FIELD(ALE_POLICER_ETHERTYPE_IPSA, 31, 31),
+	[POL_ETHERTYPE_INDEX]	= REG_FIELD(ALE_POLICER_ETHERTYPE_IPSA, 16, 21),
+	[POL_IPSRC_MEN]		= REG_FIELD(ALE_POLICER_ETHERTYPE_IPSA, 15, 15),
+	[POL_IPSRC_INDEX]	= REG_FIELD(ALE_POLICER_ETHERTYPE_IPSA, 0, 5),
+
+	/* CPSW_ALE_POLICER_IPDA_REG */
+	[POL_IPDST_MEN]		= REG_FIELD(ALE_POLICER_IPDA, 31, 31),
+	[POL_IPDST_INDEX]	= REG_FIELD(ALE_POLICER_IPDA, 16, 21),
+
+	/* CPSW_ALE_POLICER_TBL_CTL_REG */
+	/**
+	 * REG_FIELDS not defined for this as fields cannot be correctly
+	 * used independently
+	 */
+
+	/* CPSW_ALE_POLICER_CTL_REG */
+	[POL_EN]		= REG_FIELD(ALE_POLICER_CTL, 31, 31),
+	[POL_RED_DROP_EN]	= REG_FIELD(ALE_POLICER_CTL, 29, 29),
+	[POL_YELLOW_DROP_EN]	= REG_FIELD(ALE_POLICER_CTL, 28, 28),
+	[POL_YELLOW_THRESH]	= REG_FIELD(ALE_POLICER_CTL, 24, 26),
+	[POL_POL_MATCH_MODE]	= REG_FIELD(ALE_POLICER_CTL, 22, 23),
+	[POL_PRIORITY_THREAD_EN] = REG_FIELD(ALE_POLICER_CTL, 21, 21),
+	[POL_MAC_ONLY_DEF_DIS]	= REG_FIELD(ALE_POLICER_CTL, 20, 20),
+
+	/* CPSW_ALE_POLICER_TEST_CTL_REG */
+	[POL_TEST_CLR]		= REG_FIELD(ALE_POLICER_TEST_CTL, 31, 31),
+	[POL_TEST_CLR_RED]	= REG_FIELD(ALE_POLICER_TEST_CTL, 30, 30),
+	[POL_TEST_CLR_YELLOW]	= REG_FIELD(ALE_POLICER_TEST_CTL, 29, 29),
+	[POL_TEST_CLR_SELECTED]	= REG_FIELD(ALE_POLICER_TEST_CTL, 28, 28),
+	[POL_TEST_ENTRY]	= REG_FIELD(ALE_POLICER_TEST_CTL, 0, 4),
+
+	/* CPSW_ALE_POLICER_HIT_STATUS_REG */
+	[POL_STATUS_HIT]	= REG_FIELD(ALE_POLICER_HIT_STATUS, 31, 31),
+	[POL_STATUS_HIT_RED]	= REG_FIELD(ALE_POLICER_HIT_STATUS, 30, 30),
+	[POL_STATUS_HIT_YELLOW]	= REG_FIELD(ALE_POLICER_HIT_STATUS, 29, 29),
+
+	/* CPSW_ALE_THREAD_DEF_REG */
+	[ALE_DEFAULT_THREAD_EN]		= REG_FIELD(ALE_THREAD_DEF, 15, 15),
+	[ALE_DEFAULT_THREAD_VAL]	= REG_FIELD(ALE_THREAD_DEF, 0, 5),
+
+	/* CPSW_ALE_THREAD_CTL_REG */
+	[ALE_THREAD_CLASS_INDEX] = REG_FIELD(ALE_THREAD_CTL, 0, 4),
+
+	/* CPSW_ALE_THREAD_VAL_REG */
+	[ALE_THREAD_ENABLE]	= REG_FIELD(ALE_THREAD_VAL, 15, 15),
+	[ALE_THREAD_VALUE]	= REG_FIELD(ALE_THREAD_VAL, 0, 5),
 };
 
 static const struct cpsw_ale_dev_id cpsw_ale_id_match[] = {
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index bcbaaa7a1bca..c697d2e3e586 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -36,6 +36,47 @@ enum ale_fields {
 	MAJOR_VER,
 	ENTRIES,
 	POLICERS,
+	POL_PORT_MEN,
+	POL_TRUNK_ID,
+	POL_PORT_NUM,
+	POL_PRI_MEN,
+	POL_PRI_VAL,
+	POL_OUI_MEN,
+	POL_OUI_INDEX,
+	POL_DST_MEN,
+	POL_DST_INDEX,
+	POL_SRC_MEN,
+	POL_SRC_INDEX,
+	POL_OVLAN_MEN,
+	POL_OVLAN_INDEX,
+	POL_IVLAN_MEN,
+	POL_IVLAN_INDEX,
+	POL_ETHERTYPE_MEN,
+	POL_ETHERTYPE_INDEX,
+	POL_IPSRC_MEN,
+	POL_IPSRC_INDEX,
+	POL_IPDST_MEN,
+	POL_IPDST_INDEX,
+	POL_EN,
+	POL_RED_DROP_EN,
+	POL_YELLOW_DROP_EN,
+	POL_YELLOW_THRESH,
+	POL_POL_MATCH_MODE,
+	POL_PRIORITY_THREAD_EN,
+	POL_MAC_ONLY_DEF_DIS,
+	POL_TEST_CLR,
+	POL_TEST_CLR_RED,
+	POL_TEST_CLR_YELLOW,
+	POL_TEST_CLR_SELECTED,
+	POL_TEST_ENTRY,
+	POL_STATUS_HIT,
+	POL_STATUS_HIT_RED,
+	POL_STATUS_HIT_YELLOW,
+	ALE_DEFAULT_THREAD_EN,
+	ALE_DEFAULT_THREAD_VAL,
+	ALE_THREAD_CLASS_INDEX,
+	ALE_THREAD_ENABLE,
+	ALE_THREAD_VALUE,
 	/* terminator */
 	ALE_FIELDS_MAX,
 };

-- 
2.34.1