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path: root/drivers/net/dsa/microchip/ksz8795.c
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz8795.c')
-rw-r--r--drivers/net/dsa/microchip/ksz8795.c1054
1 files changed, 340 insertions, 714 deletions
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 013e9c02be71..bd3b133e7085 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -10,6 +10,7 @@
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/gpio.h>
+#include <linux/if_vlan.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_data/microchip-ksz.h>
@@ -25,190 +26,6 @@
#include "ksz8795_reg.h"
#include "ksz8.h"
-static const u8 ksz8795_regs[] = {
- [REG_IND_CTRL_0] = 0x6E,
- [REG_IND_DATA_8] = 0x70,
- [REG_IND_DATA_CHECK] = 0x72,
- [REG_IND_DATA_HI] = 0x71,
- [REG_IND_DATA_LO] = 0x75,
- [REG_IND_MIB_CHECK] = 0x74,
- [P_FORCE_CTRL] = 0x0C,
- [P_LINK_STATUS] = 0x0E,
- [P_LOCAL_CTRL] = 0x07,
- [P_NEG_RESTART_CTRL] = 0x0D,
- [P_REMOTE_STATUS] = 0x08,
- [P_SPEED_STATUS] = 0x09,
- [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 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,
- [REG_IND_DATA_CHECK] = 0x7B,
- [REG_IND_DATA_HI] = 0x7C,
- [REG_IND_DATA_LO] = 0x80,
- [REG_IND_MIB_CHECK] = 0x80,
- [P_FORCE_CTRL] = 0x0C,
- [P_LINK_STATUS] = 0x0E,
- [P_LOCAL_CTRL] = 0x0C,
- [P_NEG_RESTART_CTRL] = 0x0D,
- [P_REMOTE_STATUS] = 0x0E,
- [P_SPEED_STATUS] = 0x0F,
- [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),
-};
-
-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,
-};
-
-struct mib_names {
- char string[ETH_GSTRING_LEN];
-};
-
-static const struct mib_names ksz87xx_mib_names[] = {
- { "rx_hi" },
- { "rx_undersize" },
- { "rx_fragments" },
- { "rx_oversize" },
- { "rx_jabbers" },
- { "rx_symbol_err" },
- { "rx_crc_err" },
- { "rx_align_err" },
- { "rx_mac_ctrl" },
- { "rx_pause" },
- { "rx_bcast" },
- { "rx_mcast" },
- { "rx_ucast" },
- { "rx_64_or_less" },
- { "rx_65_127" },
- { "rx_128_255" },
- { "rx_256_511" },
- { "rx_512_1023" },
- { "rx_1024_1522" },
- { "rx_1523_2000" },
- { "rx_2001" },
- { "tx_hi" },
- { "tx_late_col" },
- { "tx_pause" },
- { "tx_bcast" },
- { "tx_mcast" },
- { "tx_ucast" },
- { "tx_deferred" },
- { "tx_total_col" },
- { "tx_exc_col" },
- { "tx_single_col" },
- { "tx_mult_col" },
- { "rx_total" },
- { "tx_total" },
- { "rx_discards" },
- { "tx_discards" },
-};
-
-static const struct mib_names ksz88xx_mib_names[] = {
- { "rx" },
- { "rx_hi" },
- { "rx_undersize" },
- { "rx_fragments" },
- { "rx_oversize" },
- { "rx_jabbers" },
- { "rx_symbol_err" },
- { "rx_crc_err" },
- { "rx_align_err" },
- { "rx_mac_ctrl" },
- { "rx_pause" },
- { "rx_bcast" },
- { "rx_mcast" },
- { "rx_ucast" },
- { "rx_64_or_less" },
- { "rx_65_127" },
- { "rx_128_255" },
- { "rx_256_511" },
- { "rx_512_1023" },
- { "rx_1024_1522" },
- { "tx" },
- { "tx_hi" },
- { "tx_late_col" },
- { "tx_pause" },
- { "tx_bcast" },
- { "tx_mcast" },
- { "tx_ucast" },
- { "tx_deferred" },
- { "tx_total_col" },
- { "tx_exc_col" },
- { "tx_single_col" },
- { "tx_mult_col" },
- { "rx_discards" },
- { "tx_discards" },
-};
-
-static bool ksz_is_ksz88x3(struct ksz_device *dev)
-{
- return dev->chip_id == 0x8830;
-}
-
static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)
{
regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0);
@@ -221,7 +38,27 @@ static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits,
bits, set ? bits : 0);
}
-static int ksz8_reset_switch(struct ksz_device *dev)
+static int ksz8_ind_write8(struct ksz_device *dev, u8 table, u16 addr, u8 data)
+{
+ const u16 *regs;
+ u16 ctrl_addr;
+ int ret = 0;
+
+ regs = dev->info->regs;
+
+ mutex_lock(&dev->alu_mutex);
+
+ ctrl_addr = IND_ACC_TABLE(table) | addr;
+ ret = ksz_write8(dev, regs[REG_IND_BYTE], data);
+ if (!ret)
+ ret = ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
+
+ mutex_unlock(&dev->alu_mutex);
+
+ return ret;
+}
+
+int ksz8_reset_switch(struct ksz_device *dev)
{
if (ksz_is_ksz88x3(dev)) {
/* reset switch */
@@ -272,20 +109,19 @@ static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue)
true);
}
-static void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt)
+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;
+ const u16 *regs;
u16 ctrl_addr;
u32 data;
u8 check;
int loop;
- masks = ksz8->masks;
- regs = ksz8->regs;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
- ctrl_addr = addr + dev->reg_mib_cnt * port;
+ ctrl_addr = addr + dev->info->reg_mib_cnt * port;
ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ);
mutex_lock(&dev->alu_mutex);
@@ -311,18 +147,17 @@ static 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;
+ const u16 *regs;
u16 ctrl_addr;
u32 data;
u8 check;
int loop;
- masks = ksz8->masks;
- regs = ksz8->regs;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
- addr -= dev->reg_mib_cnt;
+ addr -= dev->info->reg_mib_cnt;
ctrl_addr = (KSZ8795_MIB_TOTAL_RX_1 - KSZ8795_MIB_TOTAL_RX_0) * port;
ctrl_addr += addr + KSZ8795_MIB_TOTAL_RX_0;
ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ);
@@ -364,14 +199,15 @@ static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
u64 *dropped, u64 *cnt)
{
- struct ksz8 *ksz8 = dev->priv;
- const u8 *regs = ksz8->regs;
u32 *last = (u32 *)dropped;
+ const u16 *regs;
u16 ctrl_addr;
u32 data;
u32 cur;
- addr -= dev->reg_mib_cnt;
+ regs = dev->info->regs;
+
+ addr -= dev->info->reg_mib_cnt;
ctrl_addr = addr ? KSZ8863_MIB_PACKET_DROPPED_TX_0 :
KSZ8863_MIB_PACKET_DROPPED_RX_0;
ctrl_addr += port;
@@ -393,8 +229,8 @@ static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
}
}
-static void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
- u64 *dropped, u64 *cnt)
+void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+ u64 *dropped, u64 *cnt)
{
if (ksz_is_ksz88x3(dev))
ksz8863_r_mib_pkt(dev, port, addr, dropped, cnt);
@@ -402,7 +238,7 @@ static void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
ksz8795_r_mib_pkt(dev, port, addr, dropped, cnt);
}
-static void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
+void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
{
if (ksz_is_ksz88x3(dev))
return;
@@ -417,7 +253,7 @@ static void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false);
}
-static void ksz8_port_init_cnt(struct ksz_device *dev, int port)
+void ksz8_port_init_cnt(struct ksz_device *dev, int port)
{
struct ksz_port_mib *mib = &dev->ports[port].mib;
u64 *dropped;
@@ -432,31 +268,30 @@ static void ksz8_port_init_cnt(struct ksz_device *dev, int port)
mib->cnt_ptr = 0;
/* Some ports may not have MIB counters before SWITCH_COUNTER_NUM. */
- while (mib->cnt_ptr < dev->reg_mib_cnt) {
+ while (mib->cnt_ptr < dev->info->reg_mib_cnt) {
dev->dev_ops->r_mib_cnt(dev, port, mib->cnt_ptr,
&mib->counters[mib->cnt_ptr]);
++mib->cnt_ptr;
}
/* last one in storage */
- dropped = &mib->counters[dev->mib_cnt];
+ dropped = &mib->counters[dev->info->mib_cnt];
/* Some ports may not have MIB counters after SWITCH_COUNTER_NUM. */
- while (mib->cnt_ptr < dev->mib_cnt) {
+ while (mib->cnt_ptr < dev->info->mib_cnt) {
dev->dev_ops->r_mib_pkt(dev, port, mib->cnt_ptr,
dropped, &mib->counters[mib->cnt_ptr]);
++mib->cnt_ptr;
}
- mib->cnt_ptr = 0;
- memset(mib->counters, 0, dev->mib_cnt * sizeof(u64));
}
static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data)
{
- struct ksz8 *ksz8 = dev->priv;
- const u8 *regs = ksz8->regs;
+ const u16 *regs;
u16 ctrl_addr;
+ regs = dev->info->regs;
+
ctrl_addr = IND_ACC_TABLE(table | TABLE_READ) | addr;
mutex_lock(&dev->alu_mutex);
@@ -467,10 +302,11 @@ static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data)
static void ksz8_w_table(struct ksz_device *dev, int table, u16 addr, u64 data)
{
- struct ksz8 *ksz8 = dev->priv;
- const u8 *regs = ksz8->regs;
+ const u16 *regs;
u16 ctrl_addr;
+ regs = dev->info->regs;
+
ctrl_addr = IND_ACC_TABLE(table) | addr;
mutex_lock(&dev->alu_mutex);
@@ -481,13 +317,12 @@ 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;
+ const u16 *regs;
- masks = ksz8->masks;
- regs = ksz8->regs;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
do {
ksz_read8(dev, regs[REG_IND_DATA_CHECK], data);
@@ -508,22 +343,20 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
return 0;
}
-static int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
- u8 *mac_addr, u8 *fid, u8 *src_port,
- u8 *timestamp, u16 *entries)
+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;
- const u8 *regs;
+ const u16 *regs;
u16 ctrl_addr;
u8 data;
int rc;
- shifts = ksz8->shifts;
- masks = ksz8->masks;
- regs = ksz8->regs;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
ctrl_addr = IND_ACC_TABLE(TABLE_DYNAMIC_MAC | TABLE_READ) | addr;
@@ -573,17 +406,16 @@ static int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
return rc;
}
-static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
- struct alu_struct *alu)
+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;
- masks = ksz8->masks;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data);
data_hi = data >> 32;
@@ -612,17 +444,16 @@ static int ksz8_r_sta_mac_table(struct ksz_device *dev, u16 addr,
return -ENXIO;
}
-static void ksz8_w_sta_mac_table(struct ksz_device *dev, u16 addr,
- struct alu_struct *alu)
+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;
- masks = ksz8->masks;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
data_lo = ((u32)alu->mac[2] << 24) |
((u32)alu->mac[3] << 16) |
@@ -648,12 +479,11 @@ static 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;
- masks = ksz8->masks;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
*fid = vlan & masks[VLAN_TABLE_FID];
*member = (vlan & masks[VLAN_TABLE_MEMBERSHIP]) >>
@@ -664,12 +494,11 @@ 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;
- masks = ksz8->masks;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
*vlan = fid;
*vlan |= (u16)member << shifts[VLAN_TABLE_MEMBERSHIP_S];
@@ -679,12 +508,11 @@ 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;
@@ -724,21 +552,32 @@ static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan)
ksz8_w_table(dev, TABLE_VLAN, addr, buf);
}
-static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
+int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
{
- struct ksz8 *ksz8 = dev->priv;
u8 restart, speed, ctrl, link;
- const u8 *regs = ksz8->regs;
int processed = true;
+ const u16 *regs;
u8 val1, val2;
u16 data = 0;
u8 p = phy;
+ int ret;
+
+ regs = dev->info->regs;
switch (reg) {
case MII_BMCR:
- ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart);
- ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed);
- ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl);
+ ret = ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart);
+ if (ret)
+ return ret;
+
+ ret = ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed);
+ if (ret)
+ return ret;
+
+ ret = ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl);
+ if (ret)
+ return ret;
+
if (restart & PORT_PHY_LOOPBACK)
data |= BMCR_LOOPBACK;
if (ctrl & PORT_FORCE_100_MBIT)
@@ -768,7 +607,10 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
data |= KSZ886X_BMCR_DISABLE_LED;
break;
case MII_BMSR:
- ksz_pread8(dev, p, regs[P_LINK_STATUS], &link);
+ ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link);
+ if (ret)
+ return ret;
+
data = BMSR_100FULL |
BMSR_100HALF |
BMSR_10FULL |
@@ -789,7 +631,10 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
data = KSZ8795_ID_LO;
break;
case MII_ADVERTISE:
- ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl);
+ ret = ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl);
+ if (ret)
+ return ret;
+
data = ADVERTISE_CSMA;
if (ctrl & PORT_AUTO_NEG_SYM_PAUSE)
data |= ADVERTISE_PAUSE_CAP;
@@ -803,7 +648,10 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
data |= ADVERTISE_10HALF;
break;
case MII_LPA:
- ksz_pread8(dev, p, regs[P_REMOTE_STATUS], &link);
+ ret = ksz_pread8(dev, p, regs[P_REMOTE_STATUS], &link);
+ if (ret)
+ return ret;
+
data = LPA_SLCT;
if (link & PORT_REMOTE_SYM_PAUSE)
data |= LPA_PAUSE_CAP;
@@ -819,8 +667,14 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
data |= LPA_LPACK;
break;
case PHY_REG_LINK_MD:
- ksz_pread8(dev, p, REG_PORT_LINK_MD_CTRL, &val1);
- ksz_pread8(dev, p, REG_PORT_LINK_MD_RESULT, &val2);
+ ret = ksz_pread8(dev, p, REG_PORT_LINK_MD_CTRL, &val1);
+ if (ret)
+ return ret;
+
+ ret = ksz_pread8(dev, p, REG_PORT_LINK_MD_RESULT, &val2);
+ if (ret)
+ return ret;
+
if (val1 & PORT_START_CABLE_DIAG)
data |= PHY_START_CABLE_DIAG;
@@ -835,7 +689,10 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
FIELD_GET(PORT_CABLE_FAULT_COUNTER_L, val2));
break;
case PHY_REG_PHY_CTRL:
- ksz_pread8(dev, p, regs[P_LINK_STATUS], &link);
+ ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link);
+ if (ret)
+ return ret;
+
if (link & PORT_MDIX_STATUS)
data |= KSZ886X_CTRL_MDIX_STAT;
break;
@@ -845,14 +702,18 @@ static void ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
}
if (processed)
*val = data;
+
+ return 0;
}
-static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
+int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
{
- struct ksz8 *ksz8 = dev->priv;
u8 restart, speed, ctrl, data;
- const u8 *regs = ksz8->regs;
+ const u16 *regs;
u8 p = phy;
+ int ret;
+
+ regs = dev->info->regs;
switch (reg) {
case MII_BMCR:
@@ -860,15 +721,26 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
/* Do not support PHY reset function. */
if (val & BMCR_RESET)
break;
- ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed);
+ ret = ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed);
+ if (ret)
+ return ret;
+
data = speed;
if (val & KSZ886X_BMCR_HP_MDIX)
data |= PORT_HP_MDIX;
else
data &= ~PORT_HP_MDIX;
- if (data != speed)
- ksz_pwrite8(dev, p, regs[P_SPEED_STATUS], data);
- ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl);
+
+ if (data != speed) {
+ ret = ksz_pwrite8(dev, p, regs[P_SPEED_STATUS], data);
+ if (ret)
+ return ret;
+ }
+
+ ret = ksz_pread8(dev, p, regs[P_FORCE_CTRL], &ctrl);
+ if (ret)
+ return ret;
+
data = ctrl;
if (ksz_is_ksz88x3(dev)) {
if ((val & BMCR_ANENABLE))
@@ -894,9 +766,17 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
data |= PORT_FORCE_FULL_DUPLEX;
else
data &= ~PORT_FORCE_FULL_DUPLEX;
- if (data != ctrl)
- ksz_pwrite8(dev, p, regs[P_FORCE_CTRL], data);
- ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart);
+
+ if (data != ctrl) {
+ ret = ksz_pwrite8(dev, p, regs[P_FORCE_CTRL], data);
+ if (ret)
+ return ret;
+ }
+
+ ret = ksz_pread8(dev, p, regs[P_NEG_RESTART_CTRL], &restart);
+ if (ret)
+ return ret;
+
data = restart;
if (val & KSZ886X_BMCR_DISABLE_LED)
data |= PORT_LED_OFF;
@@ -926,11 +806,19 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
data |= PORT_PHY_LOOPBACK;
else
data &= ~PORT_PHY_LOOPBACK;
- if (data != restart)
- ksz_pwrite8(dev, p, regs[P_NEG_RESTART_CTRL], data);
+
+ if (data != restart) {
+ ret = ksz_pwrite8(dev, p, regs[P_NEG_RESTART_CTRL],
+ data);
+ if (ret)
+ return ret;
+ }
break;
case MII_ADVERTISE:
- ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl);
+ ret = ksz_pread8(dev, p, regs[P_LOCAL_CTRL], &ctrl);
+ if (ret)
+ return ret;
+
data = ctrl;
data &= ~(PORT_AUTO_NEG_SYM_PAUSE |
PORT_AUTO_NEG_100BTX_FD |
@@ -947,8 +835,12 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
data |= PORT_AUTO_NEG_10BT_FD;
if (val & ADVERTISE_10HALF)
data |= PORT_AUTO_NEG_10BT;
- if (data != ctrl)
- ksz_pwrite8(dev, p, regs[P_LOCAL_CTRL], data);
+
+ if (data != ctrl) {
+ ret = ksz_pwrite8(dev, p, regs[P_LOCAL_CTRL], data);
+ if (ret)
+ return ret;
+ }
break;
case PHY_REG_LINK_MD:
if (val & PHY_START_CABLE_DIAG)
@@ -957,44 +849,11 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val)
default:
break;
}
-}
-
-static enum dsa_tag_protocol ksz8_get_tag_protocol(struct dsa_switch *ds,
- int port,
- enum dsa_tag_protocol mp)
-{
- struct ksz_device *dev = ds->priv;
-
- /* ksz88x3 uses the same tag schema as KSZ9893 */
- return ksz_is_ksz88x3(dev) ?
- DSA_TAG_PROTO_KSZ9893 : DSA_TAG_PROTO_KSZ8795;
-}
-
-static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port)
-{
- /* Silicon Errata Sheet (DS80000830A):
- * Port 1 does not work with LinkMD Cable-Testing.
- * Port 1 does not respond to received PAUSE control frames.
- */
- if (!port)
- return MICREL_KSZ8_P1_ERRATA;
return 0;
}
-static void ksz8_get_strings(struct dsa_switch *ds, int port,
- u32 stringset, uint8_t *buf)
-{
- struct ksz_device *dev = ds->priv;
- int i;
-
- for (i = 0; i < dev->mib_cnt; i++) {
- memcpy(buf + i * ETH_GSTRING_LEN,
- dev->mib_names[i].string, ETH_GSTRING_LEN);
- }
-}
-
-static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
+void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
{
u8 data;
@@ -1004,65 +863,30 @@ static void ksz8_cfg_port_member(struct ksz_device *dev, int port, u8 member)
ksz_pwrite8(dev, port, P_MIRROR_CTRL, data);
}
-static void ksz8_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
-{
- struct ksz_device *dev = ds->priv;
- struct ksz_port *p;
- u8 data;
-
- ksz_pread8(dev, port, P_STP_CTRL, &data);
- data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE | PORT_LEARN_DISABLE);
-
- switch (state) {
- case BR_STATE_DISABLED:
- data |= PORT_LEARN_DISABLE;
- break;
- case BR_STATE_LISTENING:
- data |= (PORT_RX_ENABLE | PORT_LEARN_DISABLE);
- break;
- case BR_STATE_LEARNING:
- data |= PORT_RX_ENABLE;
- break;
- case BR_STATE_FORWARDING:
- data |= (PORT_TX_ENABLE | PORT_RX_ENABLE);
- break;
- case BR_STATE_BLOCKING:
- data |= PORT_LEARN_DISABLE;
- break;
- default:
- dev_err(ds->dev, "invalid STP state: %d\n", state);
- return;
- }
-
- ksz_pwrite8(dev, port, P_STP_CTRL, data);
-
- p = &dev->ports[port];
- p->stp_state = state;
-
- ksz_update_port_member(dev, port);
-}
-
-static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
+void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
{
u8 learn[DSA_MAX_PORTS];
int first, index, cnt;
struct ksz_port *p;
+ const u16 *regs;
+
+ regs = dev->info->regs;
- if ((uint)port < dev->port_cnt) {
+ if ((uint)port < dev->info->port_cnt) {
first = port;
cnt = port + 1;
} else {
/* Flush all ports. */
first = 0;
- cnt = dev->port_cnt;
+ cnt = dev->info->port_cnt;
}
for (index = first; index < cnt; index++) {
p = &dev->ports[index];
if (!p->on)
continue;
- ksz_pread8(dev, index, P_STP_CTRL, &learn[index]);
+ ksz_pread8(dev, index, regs[P_STP_CTRL], &learn[index]);
if (!(learn[index] & PORT_LEARN_DISABLE))
- ksz_pwrite8(dev, index, P_STP_CTRL,
+ ksz_pwrite8(dev, index, regs[P_STP_CTRL],
learn[index] | PORT_LEARN_DISABLE);
}
ksz_cfg(dev, S_FLUSH_TABLE_CTRL, SW_FLUSH_DYN_MAC_TABLE, true);
@@ -1071,15 +895,113 @@ static void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
if (!p->on)
continue;
if (!(learn[index] & PORT_LEARN_DISABLE))
- ksz_pwrite8(dev, index, P_STP_CTRL, learn[index]);
+ ksz_pwrite8(dev, index, regs[P_STP_CTRL], learn[index]);
}
}
-static int ksz8_port_vlan_filtering(struct dsa_switch *ds, int port, bool flag,
- struct netlink_ext_ack *extack)
+int ksz8_fdb_dump(struct ksz_device *dev, int port,
+ dsa_fdb_dump_cb_t *cb, void *data)
{
- struct ksz_device *dev = ds->priv;
+ int ret = 0;
+ u16 i = 0;
+ u16 entries = 0;
+ u8 timestamp = 0;
+ u8 fid;
+ u8 member;
+ struct alu_struct alu;
+
+ do {
+ alu.is_static = false;
+ ret = ksz8_r_dyn_mac_table(dev, i, alu.mac, &fid, &member,
+ &timestamp, &entries);
+ if (!ret && (member & BIT(port))) {
+ ret = cb(alu.mac, alu.fid, alu.is_static, data);
+ if (ret)
+ break;
+ }
+ i++;
+ } while (i < entries);
+ if (i >= entries)
+ ret = 0;
+
+ return ret;
+}
+
+int ksz8_mdb_add(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+{
+ struct alu_struct alu;
+ int index;
+ int empty = 0;
+
+ alu.port_forward = 0;
+ for (index = 0; index < dev->info->num_statics; index++) {
+ if (!ksz8_r_sta_mac_table(dev, index, &alu)) {
+ /* Found one already in static MAC table. */
+ if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) &&
+ alu.fid == mdb->vid)
+ break;
+ /* Remember the first empty entry. */
+ } else if (!empty) {
+ empty = index + 1;
+ }
+ }
+
+ /* no available entry */
+ if (index == dev->info->num_statics && !empty)
+ return -ENOSPC;
+
+ /* add entry */
+ if (index == dev->info->num_statics) {
+ index = empty - 1;
+ memset(&alu, 0, sizeof(alu));
+ memcpy(alu.mac, mdb->addr, ETH_ALEN);
+ alu.is_static = true;
+ }
+ alu.port_forward |= BIT(port);
+ if (mdb->vid) {
+ alu.is_use_fid = true;
+
+ /* Need a way to map VID to FID. */
+ alu.fid = mdb->vid;
+ }
+ ksz8_w_sta_mac_table(dev, index, &alu);
+ return 0;
+}
+
+int ksz8_mdb_del(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_mdb *mdb, struct dsa_db db)
+{
+ struct alu_struct alu;
+ int index;
+
+ for (index = 0; index < dev->info->num_statics; index++) {
+ if (!ksz8_r_sta_mac_table(dev, index, &alu)) {
+ /* Found one already in static MAC table. */
+ if (!memcmp(alu.mac, mdb->addr, ETH_ALEN) &&
+ alu.fid == mdb->vid)
+ break;
+ }
+ }
+
+ /* no available entry */
+ if (index == dev->info->num_statics)
+ goto exit;
+
+ /* clear port */
+ alu.port_forward &= ~BIT(port);
+ if (!alu.port_forward)
+ alu.is_static = false;
+ ksz8_w_sta_mac_table(dev, index, &alu);
+
+exit:
+ return 0;
+}
+
+int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
+ struct netlink_ext_ack *extack)
+{
if (ksz_is_ksz88x3(dev))
return -ENOTSUPP;
@@ -1104,12 +1026,11 @@ static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state)
}
}
-static int ksz8_port_vlan_add(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_vlan *vlan,
- struct netlink_ext_ack *extack)
+int ksz8_port_vlan_add(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_vlan *vlan,
+ struct netlink_ext_ack *extack)
{
bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
- struct ksz_device *dev = ds->priv;
struct ksz_port *p = &dev->ports[port];
u16 data, new_pvid = 0;
u8 fid, member, valid;
@@ -1130,7 +1051,7 @@ static int ksz8_port_vlan_add(struct dsa_switch *ds, int port,
* Remove Tag flag to be changed, unless there are no
* other VLANs currently configured.
*/
- for (vid = 1; vid < dev->num_vlans; ++vid) {
+ for (vid = 1; vid < dev->info->num_vlans; ++vid) {
/* Skip the VID we are going to add or reconfigure */
if (vid == vlan->vid)
continue;
@@ -1177,10 +1098,9 @@ static int ksz8_port_vlan_add(struct dsa_switch *ds, int port,
return 0;
}
-static int ksz8_port_vlan_del(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_vlan *vlan)
+int ksz8_port_vlan_del(struct ksz_device *dev, int port,
+ const struct switchdev_obj_port_vlan *vlan)
{
- struct ksz_device *dev = ds->priv;
u16 data, pvid;
u8 fid, member, valid;
@@ -1210,12 +1130,10 @@ static int ksz8_port_vlan_del(struct dsa_switch *ds, int port,
return 0;
}
-static int ksz8_port_mirror_add(struct dsa_switch *ds, int port,
- struct dsa_mall_mirror_tc_entry *mirror,
- bool ingress)
+int ksz8_port_mirror_add(struct ksz_device *dev, int port,
+ struct dsa_mall_mirror_tc_entry *mirror,
+ bool ingress, struct netlink_ext_ack *extack)
{
- struct ksz_device *dev = ds->priv;
-
if (ingress) {
ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true);
dev->mirror_rx |= BIT(port);
@@ -1234,10 +1152,9 @@ static int ksz8_port_mirror_add(struct dsa_switch *ds, int port,
return 0;
}
-static void ksz8_port_mirror_del(struct dsa_switch *ds, int port,
- struct dsa_mall_mirror_tc_entry *mirror)
+void ksz8_port_mirror_del(struct ksz_device *dev, int port,
+ struct dsa_mall_mirror_tc_entry *mirror)
{
- struct ksz_device *dev = ds->priv;
u8 data;
if (mirror->ingress) {
@@ -1258,7 +1175,6 @@ static void ksz8_port_mirror_del(struct dsa_switch *ds, int port,
static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
{
struct ksz_port *p = &dev->ports[port];
- u8 data8;
if (!p->interface && dev->compat_interface) {
dev_warn(dev->dev,
@@ -1267,50 +1183,15 @@ static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
port);
p->interface = dev->compat_interface;
}
-
- /* Configure MII interface for proper network communication. */
- ksz_read8(dev, REG_PORT_5_CTRL_6, &data8);
- data8 &= ~PORT_INTERFACE_TYPE;
- data8 &= ~PORT_GMII_1GPS_MODE;
- switch (p->interface) {
- case PHY_INTERFACE_MODE_MII:
- p->phydev.speed = SPEED_100;
- break;
- case PHY_INTERFACE_MODE_RMII:
- data8 |= PORT_INTERFACE_RMII;
- p->phydev.speed = SPEED_100;
- break;
- case PHY_INTERFACE_MODE_GMII:
- data8 |= PORT_GMII_1GPS_MODE;
- data8 |= PORT_INTERFACE_GMII;
- p->phydev.speed = SPEED_1000;
- break;
- default:
- data8 &= ~PORT_RGMII_ID_IN_ENABLE;
- data8 &= ~PORT_RGMII_ID_OUT_ENABLE;
- if (p->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- p->interface == PHY_INTERFACE_MODE_RGMII_RXID)
- data8 |= PORT_RGMII_ID_IN_ENABLE;
- if (p->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- p->interface == PHY_INTERFACE_MODE_RGMII_TXID)
- data8 |= PORT_RGMII_ID_OUT_ENABLE;
- data8 |= PORT_GMII_1GPS_MODE;
- data8 |= PORT_INTERFACE_RGMII;
- p->phydev.speed = SPEED_1000;
- break;
- }
- ksz_write8(dev, REG_PORT_5_CTRL_6, data8);
- p->phydev.duplex = 1;
}
-static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_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);
@@ -1340,17 +1221,17 @@ static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
ksz8_cfg_port_member(dev, port, member);
}
-static void ksz8_config_cpu_port(struct dsa_switch *ds)
+void ksz8_config_cpu_port(struct dsa_switch *ds)
{
struct ksz_device *dev = ds->priv;
- struct ksz8 *ksz8 = dev->priv;
- const u8 *regs = ksz8->regs;
struct ksz_port *p;
const u32 *masks;
+ const u16 *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. */
ksz_cfg(dev, REG_SW_CTRL_2, SW_LEGAL_PACKET_DISABLE, true);
@@ -1364,13 +1245,12 @@ static void ksz8_config_cpu_port(struct dsa_switch *ds)
for (i = 0; i < dev->phy_port_cnt; i++) {
p = &dev->ports[i];
- ksz8_port_stp_state_set(ds, i, BR_STATE_DISABLED);
+ ksz_port_stp_state_set(ds, i, BR_STATE_DISABLED);
/* Last port may be disabled. */
if (i == dev->phy_port_cnt)
break;
p->on = 1;
- p->phy = 1;
}
for (i = 0; i < dev->phy_port_cnt; i++) {
p = &dev->ports[i];
@@ -1378,34 +1258,55 @@ static void ksz8_config_cpu_port(struct dsa_switch *ds)
continue;
if (!ksz_is_ksz88x3(dev)) {
ksz_pread8(dev, i, regs[P_REMOTE_STATUS], &remote);
- if (remote & PORT_FIBER_MODE)
+ if (remote & KSZ8_PORT_FIBER_MODE)
p->fiber = 1;
}
if (p->fiber)
- ksz_port_cfg(dev, i, P_STP_CTRL, PORT_FORCE_FLOW_CTRL,
- true);
+ ksz_port_cfg(dev, i, regs[P_STP_CTRL],
+ PORT_FORCE_FLOW_CTRL, true);
else
- ksz_port_cfg(dev, i, P_STP_CTRL, PORT_FORCE_FLOW_CTRL,
- false);
+ ksz_port_cfg(dev, i, regs[P_STP_CTRL],
+ PORT_FORCE_FLOW_CTRL, false);
}
}
-static int ksz8_setup(struct dsa_switch *ds)
+static int ksz8_handle_global_errata(struct dsa_switch *ds)
{
struct ksz_device *dev = ds->priv;
+ int ret = 0;
+
+ /* KSZ87xx Errata DS80000687C.
+ * Module 2: Link drops with some EEE link partners.
+ * An issue with the EEE next page exchange between the
+ * KSZ879x/KSZ877x/KSZ876x and some EEE link partners may result in
+ * the link dropping.
+ */
+ if (dev->info->ksz87xx_eee_link_erratum)
+ ret = ksz8_ind_write8(dev, TABLE_EEE, REG_IND_EEE_GLOB2_HI, 0);
+
+ return ret;
+}
+
+int ksz8_enable_stp_addr(struct ksz_device *dev)
+{
struct alu_struct alu;
- int i, ret = 0;
- dev->vlan_cache = devm_kcalloc(dev->dev, sizeof(struct vlan_table),
- dev->num_vlans, GFP_KERNEL);
- if (!dev->vlan_cache)
- return -ENOMEM;
+ /* Setup STP address for STP operation. */
+ memset(&alu, 0, sizeof(alu));
+ ether_addr_copy(alu.mac, eth_stp_addr);
+ alu.is_static = true;
+ alu.is_override = true;
+ alu.port_forward = dev->info->cpu_ports;
+
+ ksz8_w_sta_mac_table(dev, 0, &alu);
- ret = ksz8_reset_switch(dev);
- if (ret) {
- dev_err(ds->dev, "failed to reset switch\n");
- return ret;
- }
+ return 0;
+}
+
+int ksz8_setup(struct dsa_switch *ds)
+{
+ struct ksz_device *dev = ds->priv;
+ int i;
ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_FLOW_CTRL, true);
@@ -1424,10 +1325,6 @@ static int ksz8_setup(struct dsa_switch *ds)
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP,
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP);
- ksz8_config_cpu_port(ds);
-
- ksz_cfg(dev, REG_SW_CTRL_2, MULTICAST_STORM_DISABLE, true);
-
ksz_cfg(dev, S_REPLACE_VID_CTRL, SW_REPLACE_VID, false);
ksz_cfg(dev, S_MIRROR_CTRL, SW_MIRROR_RX_TX, false);
@@ -1435,52 +1332,16 @@ static int ksz8_setup(struct dsa_switch *ds)
if (!ksz_is_ksz88x3(dev))
ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true);
- /* set broadcast storm protection 10% rate */
- regmap_update_bits(dev->regmap[1], S_REPLACE_VID_CTRL,
- BROADCAST_STORM_RATE,
- (BROADCAST_STORM_VALUE *
- BROADCAST_STORM_PROT_RATE) / 100);
-
- for (i = 0; i < (dev->num_vlans / 4); i++)
+ for (i = 0; i < (dev->info->num_vlans / 4); i++)
ksz8_r_vlan_entries(dev, i);
- /* Setup STP address for STP operation. */
- memset(&alu, 0, sizeof(alu));
- ether_addr_copy(alu.mac, eth_stp_addr);
- alu.is_static = true;
- alu.is_override = true;
- alu.port_forward = dev->host_mask;
-
- ksz8_w_sta_mac_table(dev, 0, &alu);
-
- ksz_init_mib_timer(dev);
-
- ds->configure_vlan_while_not_filtering = false;
-
- return 0;
+ return ksz8_handle_global_errata(ds);
}
-static void ksz8_validate(struct dsa_switch *ds, int port,
- unsigned long *supported,
- struct phylink_link_state *state)
+void ksz8_get_caps(struct ksz_device *dev, int port,
+ struct phylink_config *config)
{
- __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- struct ksz_device *dev = ds->priv;
-
- if (port == dev->cpu_port) {
- if (state->interface != PHY_INTERFACE_MODE_RMII &&
- state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_NA)
- goto unsupported;
- } else {
- if (state->interface != PHY_INTERFACE_MODE_INTERNAL &&
- state->interface != PHY_INTERFACE_MODE_NA)
- goto unsupported;
- }
-
- /* Allow all the expected bits */
- phylink_set_port_modes(mask);
- phylink_set(mask, Autoneg);
+ config->mac_capabilities = MAC_10 | MAC_100;
/* Silicon Errata Sheet (DS80000830A):
* "Port 1 does not respond to received flow control PAUSE frames"
@@ -1488,232 +1349,23 @@ static void ksz8_validate(struct dsa_switch *ds, int port,
* switches.
*/
if (!ksz_is_ksz88x3(dev) || port)
- phylink_set(mask, Pause);
+ config->mac_capabilities |= MAC_SYM_PAUSE;
/* Asym pause is not supported on KSZ8863 and KSZ8873 */
if (!ksz_is_ksz88x3(dev))
- phylink_set(mask, Asym_Pause);
-
- /* 10M and 100M are only supported */
- phylink_set(mask, 10baseT_Half);
- phylink_set(mask, 10baseT_Full);
- phylink_set(mask, 100baseT_Half);
- phylink_set(mask, 100baseT_Full);
-
- linkmode_and(supported, supported, mask);
- linkmode_and(state->advertising, state->advertising, mask);
-
- return;
-
-unsupported:
- linkmode_zero(supported);
- dev_err(ds->dev, "Unsupported interface: %s, port: %d\n",
- phy_modes(state->interface), port);
+ config->mac_capabilities |= MAC_ASYM_PAUSE;
}
-static const struct dsa_switch_ops ksz8_switch_ops = {
- .get_tag_protocol = ksz8_get_tag_protocol,
- .get_phy_flags = ksz8_sw_get_phy_flags,
- .setup = ksz8_setup,
- .phy_read = ksz_phy_read16,
- .phy_write = ksz_phy_write16,
- .phylink_validate = ksz8_validate,
- .phylink_mac_link_down = ksz_mac_link_down,
- .port_enable = ksz_enable_port,
- .get_strings = ksz8_get_strings,
- .get_ethtool_stats = ksz_get_ethtool_stats,
- .get_sset_count = ksz_sset_count,
- .port_bridge_join = ksz_port_bridge_join,
- .port_bridge_leave = ksz_port_bridge_leave,
- .port_stp_state_set = ksz8_port_stp_state_set,
- .port_fast_age = ksz_port_fast_age,
- .port_vlan_filtering = ksz8_port_vlan_filtering,
- .port_vlan_add = ksz8_port_vlan_add,
- .port_vlan_del = ksz8_port_vlan_del,
- .port_fdb_dump = ksz_port_fdb_dump,
- .port_mdb_add = ksz_port_mdb_add,
- .port_mdb_del = ksz_port_mdb_del,
- .port_mirror_add = ksz8_port_mirror_add,
- .port_mirror_del = ksz8_port_mirror_del,
-};
-
-static u32 ksz8_get_port_addr(int port, int offset)
+u32 ksz8_get_port_addr(int port, int offset)
{
return PORT_CTRL_ADDR(port, offset);
}
-static int ksz8_switch_detect(struct ksz_device *dev)
-{
- u8 id1, id2;
- u16 id16;
- int ret;
-
- /* read chip id */
- ret = ksz_read16(dev, REG_CHIP_ID0, &id16);
- if (ret)
- return ret;
-
- id1 = id16 >> 8;
- id2 = id16 & SW_CHIP_ID_M;
-
- switch (id1) {
- case KSZ87_FAMILY_ID:
- if ((id2 != CHIP_ID_94 && id2 != CHIP_ID_95))
- return -ENODEV;
-
- if (id2 == CHIP_ID_95) {
- u8 val;
-
- id2 = 0x95;
- ksz_read8(dev, REG_PORT_STATUS_0, &val);
- if (val & PORT_FIBER_MODE)
- id2 = 0x65;
- } else if (id2 == CHIP_ID_94) {
- id2 = 0x94;
- }
- break;
- case KSZ88_FAMILY_ID:
- if (id2 != CHIP_ID_63)
- return -ENODEV;
- break;
- default:
- dev_err(dev->dev, "invalid family id: %d\n", id1);
- return -ENODEV;
- }
- id16 &= ~0xff;
- id16 |= id2;
- dev->chip_id = id16;
-
- return 0;
-}
-
-struct ksz_chip_data {
- u16 chip_id;
- const char *dev_name;
- int num_vlans;
- int num_alus;
- int num_statics;
- int cpu_ports;
- int port_cnt;
-};
-
-static const struct ksz_chip_data ksz8_switch_chips[] = {
- {
- .chip_id = 0x8795,
- .dev_name = "KSZ8795",
- .num_vlans = 4096,
- .num_alus = 0,
- .num_statics = 8,
- .cpu_ports = 0x10, /* can be configured as cpu port */
- .port_cnt = 5, /* total cpu and user ports */
- },
- {
- /*
- * WARNING
- * =======
- * KSZ8794 is similar to KSZ8795, except the port map
- * contains a gap between external and CPU ports, the
- * port map is NOT continuous. The per-port register
- * map is shifted accordingly too, i.e. registers at
- * offset 0x40 are NOT used on KSZ8794 and they ARE
- * used on KSZ8795 for external port 3.
- * external cpu
- * KSZ8794 0,1,2 4
- * KSZ8795 0,1,2,3 4
- * KSZ8765 0,1,2,3 4
- */
- .chip_id = 0x8794,
- .dev_name = "KSZ8794",
- .num_vlans = 4096,
- .num_alus = 0,
- .num_statics = 8,
- .cpu_ports = 0x10, /* can be configured as cpu port */
- .port_cnt = 4, /* total cpu and user ports */
- },
- {
- .chip_id = 0x8765,
- .dev_name = "KSZ8765",
- .num_vlans = 4096,
- .num_alus = 0,
- .num_statics = 8,
- .cpu_ports = 0x10, /* can be configured as cpu port */
- .port_cnt = 5, /* total cpu and user ports */
- },
- {
- .chip_id = 0x8830,
- .dev_name = "KSZ8863/KSZ8873",
- .num_vlans = 16,
- .num_alus = 0,
- .num_statics = 8,
- .cpu_ports = 0x4, /* can be configured as cpu port */
- .port_cnt = 3,
- },
-};
-
-static int ksz8_switch_init(struct ksz_device *dev)
+int ksz8_switch_init(struct ksz_device *dev)
{
- struct ksz8 *ksz8 = dev->priv;
- int i;
-
- dev->ds->ops = &ksz8_switch_ops;
-
- for (i = 0; i < ARRAY_SIZE(ksz8_switch_chips); i++) {
- const struct ksz_chip_data *chip = &ksz8_switch_chips[i];
-
- if (dev->chip_id == chip->chip_id) {
- dev->name = chip->dev_name;
- dev->num_vlans = chip->num_vlans;
- dev->num_alus = chip->num_alus;
- dev->num_statics = chip->num_statics;
- dev->port_cnt = fls(chip->cpu_ports);
- dev->cpu_port = fls(chip->cpu_ports) - 1;
- dev->phy_port_cnt = dev->port_cnt - 1;
- dev->cpu_ports = chip->cpu_ports;
- dev->host_mask = chip->cpu_ports;
- dev->port_mask = (BIT(dev->phy_port_cnt) - 1) |
- chip->cpu_ports;
- break;
- }
- }
-
- /* no switch found */
- if (!dev->cpu_ports)
- return -ENODEV;
-
- if (ksz_is_ksz88x3(dev)) {
- ksz8->regs = ksz8863_regs;
- ksz8->masks = ksz8863_masks;
- ksz8->shifts = ksz8863_shifts;
- dev->mib_cnt = ARRAY_SIZE(ksz88xx_mib_names);
- dev->mib_names = ksz88xx_mib_names;
- } else {
- ksz8->regs = ksz8795_regs;
- ksz8->masks = ksz8795_masks;
- ksz8->shifts = ksz8795_shifts;
- dev->mib_cnt = ARRAY_SIZE(ksz87xx_mib_names);
- dev->mib_names = ksz87xx_mib_names;
- }
-
- dev->reg_mib_cnt = MIB_COUNTER_NUM;
-
- dev->ports = devm_kzalloc(dev->dev,
- dev->port_cnt * sizeof(struct ksz_port),
- GFP_KERNEL);
- if (!dev->ports)
- return -ENOMEM;
- for (i = 0; i < dev->port_cnt; i++) {
- mutex_init(&dev->ports[i].mib.cnt_mutex);
- dev->ports[i].mib.counters =
- devm_kzalloc(dev->dev,
- sizeof(u64) *
- (dev->mib_cnt + 1),
- GFP_KERNEL);
- if (!dev->ports[i].mib.counters)
- return -ENOMEM;
- }
-
- /* set the real number of ports */
- dev->ds->num_ports = dev->port_cnt;
+ 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;
/* We rely on software untagging on the CPU port, so that we
* can support both tagged and untagged VLANs
@@ -1728,37 +1380,11 @@ static int ksz8_switch_init(struct ksz_device *dev)
return 0;
}
-static void ksz8_switch_exit(struct ksz_device *dev)
+void ksz8_switch_exit(struct ksz_device *dev)
{
ksz8_reset_switch(dev);
}
-static const struct ksz_dev_ops ksz8_dev_ops = {
- .get_port_addr = ksz8_get_port_addr,
- .cfg_port_member = ksz8_cfg_port_member,
- .flush_dyn_mac_table = ksz8_flush_dyn_mac_table,
- .port_setup = ksz8_port_setup,
- .r_phy = ksz8_r_phy,
- .w_phy = ksz8_w_phy,
- .r_dyn_mac_table = ksz8_r_dyn_mac_table,
- .r_sta_mac_table = ksz8_r_sta_mac_table,
- .w_sta_mac_table = ksz8_w_sta_mac_table,
- .r_mib_cnt = ksz8_r_mib_cnt,
- .r_mib_pkt = ksz8_r_mib_pkt,
- .freeze_mib = ksz8_freeze_mib,
- .port_init_cnt = ksz8_port_init_cnt,
- .shutdown = ksz8_reset_switch,
- .detect = ksz8_switch_detect,
- .init = ksz8_switch_init,
- .exit = ksz8_switch_exit,
-};
-
-int ksz8_switch_register(struct ksz_device *dev)
-{
- return ksz_switch_register(dev, &ksz8_dev_ops);
-}
-EXPORT_SYMBOL(ksz8_switch_register);
-
MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch DSA Driver");
MODULE_LICENSE("GPL");