[Patch net-next 2/7] net: dsa: microchip: move ksz8->masks to ksz_common

From: Arun Ramadoss
Date: Tue Jun 28 2022 - 13:14:34 EST

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This patch moves the ksz8->masks from ksz8795.c to ksz_common.c. The
mask will be dereferenced using dev->info->masks.

Signed-off-by: Arun Ramadoss <arun.ramadoss@xxxxxxxxxxxxx>
---
drivers/net/dsa/microchip/ksz8.h | 23 --------
drivers/net/dsa/microchip/ksz8795.c | 71 ++++---------------------
drivers/net/dsa/microchip/ksz9477_reg.h | 2 -
drivers/net/dsa/microchip/ksz_common.c | 48 +++++++++++++++++
drivers/net/dsa/microchip/ksz_common.h | 23 ++++++++
5 files changed, 81 insertions(+), 86 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h
index 465b91496ea0..22a047761aa5 100644
--- a/drivers/net/dsa/microchip/ksz8.h
+++ b/drivers/net/dsa/microchip/ksz8.h
@@ -12,28 +12,6 @@
#include <net/dsa.h>
#include "ksz_common.h"

-enum ksz_masks {
- PORT_802_1P_REMAPPING,
- SW_TAIL_TAG_ENABLE,
- MIB_COUNTER_OVERFLOW,
- MIB_COUNTER_VALID,
- VLAN_TABLE_FID,
- VLAN_TABLE_MEMBERSHIP,
- VLAN_TABLE_VALID,
- STATIC_MAC_TABLE_VALID,
- STATIC_MAC_TABLE_USE_FID,
- STATIC_MAC_TABLE_FID,
- STATIC_MAC_TABLE_OVERRIDE,
- STATIC_MAC_TABLE_FWD_PORTS,
- DYNAMIC_MAC_TABLE_ENTRIES_H,
- DYNAMIC_MAC_TABLE_MAC_EMPTY,
- DYNAMIC_MAC_TABLE_NOT_READY,
- DYNAMIC_MAC_TABLE_ENTRIES,
- DYNAMIC_MAC_TABLE_FID,
- DYNAMIC_MAC_TABLE_SRC_PORT,
- DYNAMIC_MAC_TABLE_TIMESTAMP,
-};
-
enum ksz_shifts {
VLAN_TABLE_MEMBERSHIP_S,
VLAN_TABLE,
@@ -47,7 +25,6 @@ enum ksz_shifts {
};

struct ksz8 {
- const u32 *masks;
const u8 *shifts;
void *priv;
};
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index deac3a40381e..0c72ec50c04d 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -26,28 +26,6 @@
#include "ksz8795_reg.h"
#include "ksz8.h"

-static const u32 ksz8795_masks[] = {
- [PORT_802_1P_REMAPPING] = BIT(7),
- [SW_TAIL_TAG_ENABLE] = BIT(1),
- [MIB_COUNTER_OVERFLOW] = BIT(6),
- [MIB_COUNTER_VALID] = BIT(5),
- [VLAN_TABLE_FID] = GENMASK(6, 0),
- [VLAN_TABLE_MEMBERSHIP] = GENMASK(11, 7),
- [VLAN_TABLE_VALID] = BIT(12),
- [STATIC_MAC_TABLE_VALID] = BIT(21),
- [STATIC_MAC_TABLE_USE_FID] = BIT(23),
- [STATIC_MAC_TABLE_FID] = GENMASK(30, 24),
- [STATIC_MAC_TABLE_OVERRIDE] = BIT(26),
- [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(24, 20),
- [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(6, 0),
- [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(8),
- [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
- [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 29),
- [DYNAMIC_MAC_TABLE_FID] = GENMASK(26, 20),
- [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(26, 24),
- [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(28, 27),
-};
-
static const u8 ksz8795_shifts[] = {
[VLAN_TABLE_MEMBERSHIP_S] = 7,
[VLAN_TABLE] = 16,
@@ -60,28 +38,6 @@ static const u8 ksz8795_shifts[] = {
[DYNAMIC_MAC_SRC_PORT] = 24,
};

-static const u32 ksz8863_masks[] = {
- [PORT_802_1P_REMAPPING] = BIT(3),
- [SW_TAIL_TAG_ENABLE] = BIT(6),
- [MIB_COUNTER_OVERFLOW] = BIT(7),
- [MIB_COUNTER_VALID] = BIT(6),
- [VLAN_TABLE_FID] = GENMASK(15, 12),
- [VLAN_TABLE_MEMBERSHIP] = GENMASK(18, 16),
- [VLAN_TABLE_VALID] = BIT(19),
- [STATIC_MAC_TABLE_VALID] = BIT(19),
- [STATIC_MAC_TABLE_USE_FID] = BIT(21),
- [STATIC_MAC_TABLE_FID] = GENMASK(29, 26),
- [STATIC_MAC_TABLE_OVERRIDE] = BIT(20),
- [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16),
- [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(5, 0),
- [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7),
- [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
- [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 28),
- [DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16),
- [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(21, 20),
- [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(23, 22),
-};
-
static u8 ksz8863_shifts[] = {
[VLAN_TABLE_MEMBERSHIP_S] = 16,
[STATIC_MAC_FWD_PORTS] = 16,
@@ -183,7 +139,6 @@ static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue)

void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
{
- struct ksz8 *ksz8 = dev->priv;
const u32 *masks;
const u8 *regs;
u16 ctrl_addr;
@@ -191,7 +146,7 @@ void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
u8 check;
int loop;

- masks = ksz8->masks;
+ masks = dev->info->masks;
regs = dev->info->regs;

ctrl_addr = addr + dev->info->reg_mib_cnt * port;
@@ -220,7 +175,6 @@ void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
u64 *dropped, u64 *cnt)
{
- struct ksz8 *ksz8 = dev->priv;
const u32 *masks;
const u8 *regs;
u16 ctrl_addr;
@@ -228,7 +182,7 @@ static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
u8 check;
int loop;

- masks = ksz8->masks;
+ masks = dev->info->masks;
regs = dev->info->regs;

addr -= dev->info->reg_mib_cnt;
@@ -391,12 +345,11 @@ static void ksz8_w_table(struct ksz_device *dev, int table, u16 addr, u64 data)

static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
{
- struct ksz8 *ksz8 = dev->priv;
int timeout = 100;
const u32 *masks;
const u8 *regs;

- masks = ksz8->masks;
+ masks = dev->info->masks;
regs = dev->info->regs;

do {
@@ -431,7 +384,7 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
int rc;

shifts = ksz8->shifts;
- masks = ksz8->masks;
+ masks = dev->info->masks;
regs = dev->info->regs;

ctrl_addr = IND_ACC_TABLE(TABLE_DYNAMIC_MAC | TABLE_READ) | addr;
@@ -492,7 +445,7 @@ int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
u64 data;

shifts = ksz8->shifts;
- masks = ksz8->masks;
+ masks = dev->info->masks;

ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data);
data_hi = data >> 32;
@@ -531,7 +484,7 @@ void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
u64 data;

shifts = ksz8->shifts;
- masks = ksz8->masks;
+ masks = dev->info->masks;

data_lo = ((u32)alu->mac[2] << 24) |
((u32)alu->mac[3] << 16) |
@@ -562,7 +515,7 @@ static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
const u32 *masks;

shifts = ksz8->shifts;
- masks = ksz8->masks;
+ masks = dev->info->masks;

*fid = vlan & masks[VLAN_TABLE_FID];
*member = (vlan & masks[VLAN_TABLE_MEMBERSHIP]) >>
@@ -578,7 +531,7 @@ static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
const u32 *masks;

shifts = ksz8->shifts;
- masks = ksz8->masks;
+ masks = dev->info->masks;

*vlan = fid;
*vlan |= (u16)member << shifts[VLAN_TABLE_MEMBERSHIP_S];
@@ -1237,11 +1190,10 @@ static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
{
struct dsa_switch *ds = dev->ds;
- struct ksz8 *ksz8 = dev->priv;
const u32 *masks;
u8 member;

- masks = ksz8->masks;
+ masks = dev->info->masks;

/* enable broadcast storm limit */
ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
@@ -1274,14 +1226,13 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
void ksz8_config_cpu_port(struct dsa_switch *ds)
{
struct ksz_device *dev = ds->priv;
- struct ksz8 *ksz8 = dev->priv;
struct ksz_port *p;
const u32 *masks;
const u8 *regs;
u8 remote;
int i;

- masks = ksz8->masks;
+ masks = dev->info->masks;
regs = dev->info->regs;

/* Switch marks the maximum frame with extra byte as oversize. */
@@ -1422,10 +1373,8 @@ int ksz8_switch_init(struct ksz_device *dev)
dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports;

if (ksz_is_ksz88x3(dev)) {
- ksz8->masks = ksz8863_masks;
ksz8->shifts = ksz8863_shifts;
} else {
- ksz8->masks = ksz8795_masks;
ksz8->shifts = ksz8795_shifts;
}

diff --git a/drivers/net/dsa/microchip/ksz9477_reg.h b/drivers/net/dsa/microchip/ksz9477_reg.h
index 2cbbfda22c67..6be2efe6334a 100644
--- a/drivers/net/dsa/microchip/ksz9477_reg.h
+++ b/drivers/net/dsa/microchip/ksz9477_reg.h
@@ -1262,8 +1262,6 @@
/* 5 - MIB Counters */
#define REG_PORT_MIB_CTRL_STAT__4 0x0500

-#define MIB_COUNTER_OVERFLOW BIT(31)
-#define MIB_COUNTER_VALID BIT(30)
#define MIB_COUNTER_READ BIT(25)
#define MIB_COUNTER_FLUSH_FREEZE BIT(24)
#define MIB_COUNTER_INDEX_M (BIT(8) - 1)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index acaa0e96f5ff..fc1ef0e50bff 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -218,6 +218,28 @@ static const u8 ksz8795_regs[] = {
[S_TAIL_TAG_CTRL] = 0x0C,
};

+static const u32 ksz8795_masks[] = {
+ [PORT_802_1P_REMAPPING] = BIT(7),
+ [SW_TAIL_TAG_ENABLE] = BIT(1),
+ [MIB_COUNTER_OVERFLOW] = BIT(6),
+ [MIB_COUNTER_VALID] = BIT(5),
+ [VLAN_TABLE_FID] = GENMASK(6, 0),
+ [VLAN_TABLE_MEMBERSHIP] = GENMASK(11, 7),
+ [VLAN_TABLE_VALID] = BIT(12),
+ [STATIC_MAC_TABLE_VALID] = BIT(21),
+ [STATIC_MAC_TABLE_USE_FID] = BIT(23),
+ [STATIC_MAC_TABLE_FID] = GENMASK(30, 24),
+ [STATIC_MAC_TABLE_OVERRIDE] = BIT(26),
+ [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(24, 20),
+ [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(6, 0),
+ [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(8),
+ [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 29),
+ [DYNAMIC_MAC_TABLE_FID] = GENMASK(26, 20),
+ [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(26, 24),
+ [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(28, 27),
+};
+
static const u8 ksz8863_regs[] = {
[REG_IND_CTRL_0] = 0x79,
[REG_IND_DATA_8] = 0x7B,
@@ -234,6 +256,28 @@ static const u8 ksz8863_regs[] = {
[S_TAIL_TAG_CTRL] = 0x03,
};

+static const u32 ksz8863_masks[] = {
+ [PORT_802_1P_REMAPPING] = BIT(3),
+ [SW_TAIL_TAG_ENABLE] = BIT(6),
+ [MIB_COUNTER_OVERFLOW] = BIT(7),
+ [MIB_COUNTER_VALID] = BIT(6),
+ [VLAN_TABLE_FID] = GENMASK(15, 12),
+ [VLAN_TABLE_MEMBERSHIP] = GENMASK(18, 16),
+ [VLAN_TABLE_VALID] = BIT(19),
+ [STATIC_MAC_TABLE_VALID] = BIT(19),
+ [STATIC_MAC_TABLE_USE_FID] = BIT(21),
+ [STATIC_MAC_TABLE_FID] = GENMASK(29, 26),
+ [STATIC_MAC_TABLE_OVERRIDE] = BIT(20),
+ [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16),
+ [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(5, 0),
+ [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7),
+ [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 28),
+ [DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16),
+ [DYNAMIC_MAC_TABLE_SRC_PORT] = GENMASK(21, 20),
+ [DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(23, 22),
+};
+
const struct ksz_chip_data ksz_switch_chips[] = {
[KSZ8795] = {
.chip_id = KSZ8795_CHIP_ID,
@@ -249,6 +293,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
+ .masks = ksz8795_masks,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -287,6 +332,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
+ .masks = ksz8795_masks,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -311,6 +357,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
+ .masks = ksz8795_masks,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -334,6 +381,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.mib_cnt = ARRAY_SIZE(ksz88xx_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8863_regs,
+ .masks = ksz8863_masks,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index d3cd29ef7885..b1e4732357a1 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -48,6 +48,7 @@ struct ksz_chip_data {
int mib_cnt;
u8 reg_mib_cnt;
const u8 *regs;
+ const u32 *masks;
int stp_ctrl_reg;
int broadcast_ctrl_reg;
int multicast_ctrl_reg;
@@ -164,6 +165,28 @@ enum ksz_regs {
S_TAIL_TAG_CTRL,
};

+enum ksz_masks {
+ PORT_802_1P_REMAPPING,
+ SW_TAIL_TAG_ENABLE,
+ MIB_COUNTER_OVERFLOW,
+ MIB_COUNTER_VALID,
+ VLAN_TABLE_FID,
+ VLAN_TABLE_MEMBERSHIP,
+ VLAN_TABLE_VALID,
+ STATIC_MAC_TABLE_VALID,
+ STATIC_MAC_TABLE_USE_FID,
+ STATIC_MAC_TABLE_FID,
+ STATIC_MAC_TABLE_OVERRIDE,
+ STATIC_MAC_TABLE_FWD_PORTS,
+ DYNAMIC_MAC_TABLE_ENTRIES_H,
+ DYNAMIC_MAC_TABLE_MAC_EMPTY,
+ DYNAMIC_MAC_TABLE_NOT_READY,
+ DYNAMIC_MAC_TABLE_ENTRIES,
+ DYNAMIC_MAC_TABLE_FID,
+ DYNAMIC_MAC_TABLE_SRC_PORT,
+ DYNAMIC_MAC_TABLE_TIMESTAMP,
+};
+
struct alu_struct {
/* entry 1 */
u8 is_static:1;
--
2.36.1

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