[PATCH net-next v4 4/6] net: ethernet: ti: cpsw_ale: add Policer and Thread control register fields

From: Roger Quadros
Date: Tue Sep 10 2024 - 05:25:45 EST


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

Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
---
Changelog:
v4:
- no change
v3:
- added Reviewed-by Simon Horman
---
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 9e45470b4eb9..aafe1210de52 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 */
[ALE_ENTRIES] = REG_FIELD(ALE_STATUS, 0, 7),
[ALE_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 e12bb2caf016..2cb76acc6d16 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,
ALE_ENTRIES,
ALE_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