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Message-ID: <20220628171329.25503-4-arun.ramadoss@microchip.com>
Date: Tue, 28 Jun 2022 22:43:25 +0530
From: Arun Ramadoss <arun.ramadoss@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: Woojung Huh <woojung.huh@...rochip.com>,
<UNGLinuxDriver@...rochip.com>, Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"Russell King" <linux@...linux.org.uk>
Subject: [Patch net-next 3/7] net: dsa: microchip: move ksz8->shifts to ksz_common
This patch moves ksz8->shifts from ksz8795.c to ksz_common.c. The shifts
are dereferenced using dev->info->shifts.
Signed-off-by: Arun Ramadoss <arun.ramadoss@...rochip.com>
---
drivers/net/dsa/microchip/ksz8.h | 13 -------
drivers/net/dsa/microchip/ksz8795.c | 49 ++++----------------------
drivers/net/dsa/microchip/ksz_common.c | 27 ++++++++++++++
drivers/net/dsa/microchip/ksz_common.h | 13 +++++++
4 files changed, 46 insertions(+), 56 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h
index 22a047761aa5..a4a2dc889b30 100644
--- a/drivers/net/dsa/microchip/ksz8.h
+++ b/drivers/net/dsa/microchip/ksz8.h
@@ -12,20 +12,7 @@
#include <net/dsa.h>
#include "ksz_common.h"
-enum ksz_shifts {
- VLAN_TABLE_MEMBERSHIP_S,
- VLAN_TABLE,
- STATIC_MAC_FWD_PORTS,
- STATIC_MAC_FID,
- DYNAMIC_MAC_ENTRIES_H,
- DYNAMIC_MAC_ENTRIES,
- DYNAMIC_MAC_FID,
- DYNAMIC_MAC_TIMESTAMP,
- DYNAMIC_MAC_SRC_PORT,
-};
-
struct ksz8 {
- const u8 *shifts;
void *priv;
};
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 0c72ec50c04d..2b3db33c32ce 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -26,29 +26,6 @@
#include "ksz8795_reg.h"
#include "ksz8.h"
-static const u8 ksz8795_shifts[] = {
- [VLAN_TABLE_MEMBERSHIP_S] = 7,
- [VLAN_TABLE] = 16,
- [STATIC_MAC_FWD_PORTS] = 16,
- [STATIC_MAC_FID] = 24,
- [DYNAMIC_MAC_ENTRIES_H] = 3,
- [DYNAMIC_MAC_ENTRIES] = 29,
- [DYNAMIC_MAC_FID] = 16,
- [DYNAMIC_MAC_TIMESTAMP] = 27,
- [DYNAMIC_MAC_SRC_PORT] = 24,
-};
-
-static u8 ksz8863_shifts[] = {
- [VLAN_TABLE_MEMBERSHIP_S] = 16,
- [STATIC_MAC_FWD_PORTS] = 16,
- [STATIC_MAC_FID] = 22,
- [DYNAMIC_MAC_ENTRIES_H] = 3,
- [DYNAMIC_MAC_ENTRIES] = 24,
- [DYNAMIC_MAC_FID] = 16,
- [DYNAMIC_MAC_TIMESTAMP] = 24,
- [DYNAMIC_MAC_SRC_PORT] = 20,
-};
-
static bool ksz_is_ksz88x3(struct ksz_device *dev)
{
return dev->chip_id == 0x8830;
@@ -374,7 +351,6 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries)
{
- struct ksz8 *ksz8 = dev->priv;
u32 data_hi, data_lo;
const u8 *shifts;
const u32 *masks;
@@ -383,7 +359,7 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
u8 data;
int rc;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
masks = dev->info->masks;
regs = dev->info->regs;
@@ -438,13 +414,12 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
struct alu_struct *alu)
{
- struct ksz8 *ksz8 = dev->priv;
u32 data_hi, data_lo;
const u8 *shifts;
const u32 *masks;
u64 data;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
masks = dev->info->masks;
ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data);
@@ -477,13 +452,12 @@ int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
struct alu_struct *alu)
{
- struct ksz8 *ksz8 = dev->priv;
u32 data_hi, data_lo;
const u8 *shifts;
const u32 *masks;
u64 data;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
masks = dev->info->masks;
data_lo = ((u32)alu->mac[2] << 24) |
@@ -510,11 +484,10 @@ void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
u8 *member, u8 *valid)
{
- struct ksz8 *ksz8 = dev->priv;
const u8 *shifts;
const u32 *masks;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
masks = dev->info->masks;
*fid = vlan & masks[VLAN_TABLE_FID];
@@ -526,11 +499,10 @@ static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
u16 *vlan)
{
- struct ksz8 *ksz8 = dev->priv;
const u8 *shifts;
const u32 *masks;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
masks = dev->info->masks;
*vlan = fid;
@@ -541,12 +513,11 @@ static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
static void ksz8_r_vlan_entries(struct ksz_device *dev, u16 addr)
{
- struct ksz8 *ksz8 = dev->priv;
const u8 *shifts;
u64 data;
int i;
- shifts = ksz8->shifts;
+ shifts = dev->info->shifts;
ksz8_r_table(dev, TABLE_VLAN, addr, &data);
addr *= 4;
@@ -1366,18 +1337,10 @@ u32 ksz8_get_port_addr(int port, int offset)
int ksz8_switch_init(struct ksz_device *dev)
{
- struct ksz8 *ksz8 = dev->priv;
-
dev->cpu_port = fls(dev->info->cpu_ports) - 1;
dev->phy_port_cnt = dev->info->port_cnt - 1;
dev->port_mask = (BIT(dev->phy_port_cnt) - 1) | dev->info->cpu_ports;
- if (ksz_is_ksz88x3(dev)) {
- ksz8->shifts = ksz8863_shifts;
- } else {
- ksz8->shifts = ksz8795_shifts;
- }
-
/* We rely on software untagging on the CPU port, so that we
* can support both tagged and untagged VLANs
*/
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index fc1ef0e50bff..fa66bd14f66a 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -240,6 +240,18 @@ static const u32 ksz8795_masks[] = {
[DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(28, 27),
};
+static const u8 ksz8795_shifts[] = {
+ [VLAN_TABLE_MEMBERSHIP_S] = 7,
+ [VLAN_TABLE] = 16,
+ [STATIC_MAC_FWD_PORTS] = 16,
+ [STATIC_MAC_FID] = 24,
+ [DYNAMIC_MAC_ENTRIES_H] = 3,
+ [DYNAMIC_MAC_ENTRIES] = 29,
+ [DYNAMIC_MAC_FID] = 16,
+ [DYNAMIC_MAC_TIMESTAMP] = 27,
+ [DYNAMIC_MAC_SRC_PORT] = 24,
+};
+
static const u8 ksz8863_regs[] = {
[REG_IND_CTRL_0] = 0x79,
[REG_IND_DATA_8] = 0x7B,
@@ -278,6 +290,17 @@ static const u32 ksz8863_masks[] = {
[DYNAMIC_MAC_TABLE_TIMESTAMP] = GENMASK(23, 22),
};
+static u8 ksz8863_shifts[] = {
+ [VLAN_TABLE_MEMBERSHIP_S] = 16,
+ [STATIC_MAC_FWD_PORTS] = 16,
+ [STATIC_MAC_FID] = 22,
+ [DYNAMIC_MAC_ENTRIES_H] = 3,
+ [DYNAMIC_MAC_ENTRIES] = 24,
+ [DYNAMIC_MAC_FID] = 16,
+ [DYNAMIC_MAC_TIMESTAMP] = 24,
+ [DYNAMIC_MAC_SRC_PORT] = 20,
+};
+
const struct ksz_chip_data ksz_switch_chips[] = {
[KSZ8795] = {
.chip_id = KSZ8795_CHIP_ID,
@@ -294,6 +317,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
.masks = ksz8795_masks,
+ .shifts = ksz8795_shifts,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -333,6 +357,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
.masks = ksz8795_masks,
+ .shifts = ksz8795_shifts,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -358,6 +383,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8795_regs,
.masks = ksz8795_masks,
+ .shifts = ksz8795_shifts,
.stp_ctrl_reg = 0x02,
.broadcast_ctrl_reg = 0x06,
.multicast_ctrl_reg = 0x04,
@@ -382,6 +408,7 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.reg_mib_cnt = MIB_COUNTER_NUM,
.regs = ksz8863_regs,
.masks = ksz8863_masks,
+ .shifts = ksz8863_shifts,
.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 b1e4732357a1..c11adf67757d 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -49,6 +49,7 @@ struct ksz_chip_data {
u8 reg_mib_cnt;
const u8 *regs;
const u32 *masks;
+ const u8 *shifts;
int stp_ctrl_reg;
int broadcast_ctrl_reg;
int multicast_ctrl_reg;
@@ -187,6 +188,18 @@ enum ksz_masks {
DYNAMIC_MAC_TABLE_TIMESTAMP,
};
+enum ksz_shifts {
+ VLAN_TABLE_MEMBERSHIP_S,
+ VLAN_TABLE,
+ STATIC_MAC_FWD_PORTS,
+ STATIC_MAC_FID,
+ DYNAMIC_MAC_ENTRIES_H,
+ DYNAMIC_MAC_ENTRIES,
+ DYNAMIC_MAC_FID,
+ DYNAMIC_MAC_TIMESTAMP,
+ DYNAMIC_MAC_SRC_PORT,
+};
+
struct alu_struct {
/* entry 1 */
u8 is_static:1;
--
2.36.1
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