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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.c1425
1 files changed, 754 insertions, 671 deletions
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 47d65b77caf7..bd3b133e7085 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -6,61 +6,25 @@
* Tristram Ha <Tristram.Ha@microchip.com>
*/
+#include <linux/bitfield.h>
#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>
#include <linux/phy.h>
#include <linux/etherdevice.h>
#include <linux/if_bridge.h>
+#include <linux/micrel_phy.h>
#include <net/dsa.h>
#include <net/switchdev.h>
+#include <linux/phylink.h>
#include "ksz_common.h"
#include "ksz8795_reg.h"
-
-static const struct {
- char string[ETH_GSTRING_LEN];
-} mib_names[TOTAL_SWITCH_COUNTER_NUM] = {
- { "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" },
-};
+#include "ksz8.h"
static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)
{
@@ -74,12 +38,40 @@ static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits,
bits, set ? bits : 0);
}
-static int ksz8795_reset_switch(struct ksz_device *dev)
+static int ksz8_ind_write8(struct ksz_device *dev, u8 table, u16 addr, u8 data)
{
- /* reset switch */
- ksz_write8(dev, REG_POWER_MANAGEMENT_1,
- SW_SOFTWARE_POWER_DOWN << SW_POWER_MANAGEMENT_MODE_S);
- ksz_write8(dev, REG_POWER_MANAGEMENT_1, 0);
+ 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 */
+ ksz_cfg(dev, KSZ8863_REG_SW_RESET,
+ KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, true);
+ ksz_cfg(dev, KSZ8863_REG_SW_RESET,
+ KSZ8863_GLOBAL_SOFTWARE_RESET | KSZ8863_PCS_RESET, false);
+ } else {
+ /* reset switch */
+ ksz_write8(dev, REG_POWER_MANAGEMENT_1,
+ SW_SOFTWARE_POWER_DOWN << SW_POWER_MANAGEMENT_MODE_S);
+ ksz_write8(dev, REG_POWER_MANAGEMENT_1, 0);
+ }
return 0;
}
@@ -117,29 +109,33 @@ static void ksz8795_set_prio_queue(struct ksz_device *dev, int port, int queue)
true);
}
-static void ksz8795_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)
{
+ const u32 *masks;
+ const u16 *regs;
u16 ctrl_addr;
u32 data;
u8 check;
int loop;
- ctrl_addr = addr + SWITCH_COUNTER_NUM * port;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
+
+ ctrl_addr = addr + dev->info->reg_mib_cnt * port;
ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ);
mutex_lock(&dev->alu_mutex);
- ksz_write16(dev, REG_IND_CTRL_0, ctrl_addr);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
/* It is almost guaranteed to always read the valid bit because of
* slow SPI speed.
*/
for (loop = 2; loop > 0; loop--) {
- ksz_read8(dev, REG_IND_MIB_CHECK, &check);
+ ksz_read8(dev, regs[REG_IND_MIB_CHECK], &check);
- if (check & MIB_COUNTER_VALID) {
- ksz_read32(dev, REG_IND_DATA_LO, &data);
- if (check & MIB_COUNTER_OVERFLOW)
+ if (check & masks[MIB_COUNTER_VALID]) {
+ ksz_read32(dev, regs[REG_IND_DATA_LO], &data);
+ if (check & masks[MIB_COUNTER_OVERFLOW])
*cnt += MIB_COUNTER_VALUE + 1;
*cnt += data & MIB_COUNTER_VALUE;
break;
@@ -151,27 +147,32 @@ static void ksz8795_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
u64 *dropped, u64 *cnt)
{
+ const u32 *masks;
+ const u16 *regs;
u16 ctrl_addr;
u32 data;
u8 check;
int loop;
- addr -= SWITCH_COUNTER_NUM;
- ctrl_addr = (KS_MIB_TOTAL_RX_1 - KS_MIB_TOTAL_RX_0) * port;
- ctrl_addr += addr + KS_MIB_TOTAL_RX_0;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
+
+ 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);
mutex_lock(&dev->alu_mutex);
- ksz_write16(dev, REG_IND_CTRL_0, ctrl_addr);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
/* It is almost guaranteed to always read the valid bit because of
* slow SPI speed.
*/
for (loop = 2; loop > 0; loop--) {
- ksz_read8(dev, REG_IND_MIB_CHECK, &check);
+ ksz_read8(dev, regs[REG_IND_MIB_CHECK], &check);
- if (check & MIB_COUNTER_VALID) {
- ksz_read32(dev, REG_IND_DATA_LO, &data);
+ if (check & masks[MIB_COUNTER_VALID]) {
+ ksz_read32(dev, regs[REG_IND_DATA_LO], &data);
if (addr < 2) {
u64 total;
@@ -179,13 +180,13 @@ static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
total <<= 32;
*cnt += total;
*cnt += data;
- if (check & MIB_COUNTER_OVERFLOW) {
+ if (check & masks[MIB_COUNTER_OVERFLOW]) {
total = MIB_TOTAL_BYTES_H + 1;
total <<= 32;
*cnt += total;
}
} else {
- if (check & MIB_COUNTER_OVERFLOW)
+ if (check & masks[MIB_COUNTER_OVERFLOW])
*cnt += MIB_PACKET_DROPPED + 1;
*cnt += data & MIB_PACKET_DROPPED;
}
@@ -195,8 +196,53 @@ static void ksz8795_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
mutex_unlock(&dev->alu_mutex);
}
-static void ksz8795_freeze_mib(struct ksz_device *dev, int port, bool freeze)
+static void ksz8863_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
+ u64 *dropped, u64 *cnt)
{
+ u32 *last = (u32 *)dropped;
+ const u16 *regs;
+ u16 ctrl_addr;
+ u32 data;
+ u32 cur;
+
+ 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;
+ ctrl_addr |= IND_ACC_TABLE(TABLE_MIB | TABLE_READ);
+
+ mutex_lock(&dev->alu_mutex);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
+ ksz_read32(dev, regs[REG_IND_DATA_LO], &data);
+ mutex_unlock(&dev->alu_mutex);
+
+ data &= MIB_PACKET_DROPPED;
+ cur = last[addr];
+ if (data != cur) {
+ last[addr] = data;
+ if (data < cur)
+ data += MIB_PACKET_DROPPED + 1;
+ data -= cur;
+ *cnt += data;
+ }
+}
+
+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);
+ else
+ ksz8795_r_mib_pkt(dev, port, addr, dropped, cnt);
+}
+
+void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze)
+{
+ if (ksz_is_ksz88x3(dev))
+ return;
+
/* enable the port for flush/freeze function */
if (freeze)
ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true);
@@ -207,98 +253,117 @@ static void ksz8795_freeze_mib(struct ksz_device *dev, int port, bool freeze)
ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false);
}
-static void ksz8795_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;
- /* flush all enabled port MIB counters */
- ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true);
- ksz_cfg(dev, REG_SW_CTRL_6, SW_MIB_COUNTER_FLUSH, true);
- ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false);
+ if (!ksz_is_ksz88x3(dev)) {
+ /* flush all enabled port MIB counters */
+ ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), true);
+ ksz_cfg(dev, REG_SW_CTRL_6, SW_MIB_COUNTER_FLUSH, true);
+ ksz_cfg(dev, REG_SW_CTRL_6, BIT(port), false);
+ }
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->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,
- NULL, &mib->counters[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 ksz8795_r_table(struct ksz_device *dev, int table, u16 addr,
- u64 *data)
+static void ksz8_r_table(struct ksz_device *dev, int table, u16 addr, u64 *data)
{
+ const u16 *regs;
u16 ctrl_addr;
+ regs = dev->info->regs;
+
ctrl_addr = IND_ACC_TABLE(table | TABLE_READ) | addr;
mutex_lock(&dev->alu_mutex);
- ksz_write16(dev, REG_IND_CTRL_0, ctrl_addr);
- ksz_read64(dev, REG_IND_DATA_HI, data);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
+ ksz_read64(dev, regs[REG_IND_DATA_HI], data);
mutex_unlock(&dev->alu_mutex);
}
-static void ksz8795_w_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)
{
+ const u16 *regs;
u16 ctrl_addr;
+ regs = dev->info->regs;
+
ctrl_addr = IND_ACC_TABLE(table) | addr;
mutex_lock(&dev->alu_mutex);
- ksz_write64(dev, REG_IND_DATA_HI, data);
- ksz_write16(dev, REG_IND_CTRL_0, ctrl_addr);
+ ksz_write64(dev, regs[REG_IND_DATA_HI], data);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
mutex_unlock(&dev->alu_mutex);
}
-static int ksz8795_valid_dyn_entry(struct ksz_device *dev, u8 *data)
+static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
{
int timeout = 100;
+ const u32 *masks;
+ const u16 *regs;
+
+ masks = dev->info->masks;
+ regs = dev->info->regs;
do {
- ksz_read8(dev, REG_IND_DATA_CHECK, data);
+ ksz_read8(dev, regs[REG_IND_DATA_CHECK], data);
timeout--;
- } while ((*data & DYNAMIC_MAC_TABLE_NOT_READY) && timeout);
+ } while ((*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) && timeout);
/* Entry is not ready for accessing. */
- if (*data & DYNAMIC_MAC_TABLE_NOT_READY) {
+ if (*data & masks[DYNAMIC_MAC_TABLE_NOT_READY]) {
return -EAGAIN;
/* Entry is ready for accessing. */
} else {
- ksz_read8(dev, REG_IND_DATA_8, data);
+ ksz_read8(dev, regs[REG_IND_DATA_8], data);
/* There is no valid entry in the table. */
- if (*data & DYNAMIC_MAC_TABLE_MAC_EMPTY)
+ if (*data & masks[DYNAMIC_MAC_TABLE_MAC_EMPTY])
return -ENXIO;
}
return 0;
}
-static int ksz8795_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)
{
u32 data_hi, data_lo;
+ const u8 *shifts;
+ const u32 *masks;
+ const u16 *regs;
u16 ctrl_addr;
u8 data;
int rc;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+ regs = dev->info->regs;
+
ctrl_addr = IND_ACC_TABLE(TABLE_DYNAMIC_MAC | TABLE_READ) | addr;
mutex_lock(&dev->alu_mutex);
- ksz_write16(dev, REG_IND_CTRL_0, ctrl_addr);
+ ksz_write16(dev, regs[REG_IND_CTRL_0], ctrl_addr);
- rc = ksz8795_valid_dyn_entry(dev, &data);
+ rc = ksz8_valid_dyn_entry(dev, &data);
if (rc == -EAGAIN) {
if (addr == 0)
*entries = 0;
@@ -309,23 +374,23 @@ static int ksz8795_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
u64 buf = 0;
int cnt;
- ksz_read64(dev, REG_IND_DATA_HI, &buf);
+ ksz_read64(dev, regs[REG_IND_DATA_HI], &buf);
data_hi = (u32)(buf >> 32);
data_lo = (u32)buf;
/* Check out how many valid entry in the table. */
- cnt = data & DYNAMIC_MAC_TABLE_ENTRIES_H;
- cnt <<= DYNAMIC_MAC_ENTRIES_H_S;
- cnt |= (data_hi & DYNAMIC_MAC_TABLE_ENTRIES) >>
- DYNAMIC_MAC_ENTRIES_S;
+ cnt = data & masks[DYNAMIC_MAC_TABLE_ENTRIES_H];
+ cnt <<= shifts[DYNAMIC_MAC_ENTRIES_H];
+ cnt |= (data_hi & masks[DYNAMIC_MAC_TABLE_ENTRIES]) >>
+ shifts[DYNAMIC_MAC_ENTRIES];
*entries = cnt + 1;
- *fid = (data_hi & DYNAMIC_MAC_TABLE_FID) >>
- DYNAMIC_MAC_FID_S;
- *src_port = (data_hi & DYNAMIC_MAC_TABLE_SRC_PORT) >>
- DYNAMIC_MAC_SRC_PORT_S;
- *timestamp = (data_hi & DYNAMIC_MAC_TABLE_TIMESTAMP) >>
- DYNAMIC_MAC_TIMESTAMP_S;
+ *fid = (data_hi & masks[DYNAMIC_MAC_TABLE_FID]) >>
+ shifts[DYNAMIC_MAC_FID];
+ *src_port = (data_hi & masks[DYNAMIC_MAC_TABLE_SRC_PORT]) >>
+ shifts[DYNAMIC_MAC_SRC_PORT];
+ *timestamp = (data_hi & masks[DYNAMIC_MAC_TABLE_TIMESTAMP]) >>
+ shifts[DYNAMIC_MAC_TIMESTAMP];
mac_addr[5] = (u8)data_lo;
mac_addr[4] = (u8)(data_lo >> 8);
@@ -341,91 +406,123 @@ static int ksz8795_r_dyn_mac_table(struct ksz_device *dev, u16 addr,
return rc;
}
-static int ksz8795_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)
{
u32 data_hi, data_lo;
+ const u8 *shifts;
+ const u32 *masks;
u64 data;
- ksz8795_r_table(dev, TABLE_STATIC_MAC, addr, &data);
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+
+ ksz8_r_table(dev, TABLE_STATIC_MAC, addr, &data);
data_hi = data >> 32;
data_lo = (u32)data;
- if (data_hi & (STATIC_MAC_TABLE_VALID | STATIC_MAC_TABLE_OVERRIDE)) {
+ if (data_hi & (masks[STATIC_MAC_TABLE_VALID] |
+ masks[STATIC_MAC_TABLE_OVERRIDE])) {
alu->mac[5] = (u8)data_lo;
alu->mac[4] = (u8)(data_lo >> 8);
alu->mac[3] = (u8)(data_lo >> 16);
alu->mac[2] = (u8)(data_lo >> 24);
alu->mac[1] = (u8)data_hi;
alu->mac[0] = (u8)(data_hi >> 8);
- alu->port_forward = (data_hi & STATIC_MAC_TABLE_FWD_PORTS) >>
- STATIC_MAC_FWD_PORTS_S;
+ alu->port_forward =
+ (data_hi & masks[STATIC_MAC_TABLE_FWD_PORTS]) >>
+ shifts[STATIC_MAC_FWD_PORTS];
alu->is_override =
- (data_hi & STATIC_MAC_TABLE_OVERRIDE) ? 1 : 0;
+ (data_hi & masks[STATIC_MAC_TABLE_OVERRIDE]) ? 1 : 0;
data_hi >>= 1;
- alu->is_use_fid = (data_hi & STATIC_MAC_TABLE_USE_FID) ? 1 : 0;
- alu->fid = (data_hi & STATIC_MAC_TABLE_FID) >>
- STATIC_MAC_FID_S;
+ alu->is_static = true;
+ alu->is_use_fid =
+ (data_hi & masks[STATIC_MAC_TABLE_USE_FID]) ? 1 : 0;
+ alu->fid = (data_hi & masks[STATIC_MAC_TABLE_FID]) >>
+ shifts[STATIC_MAC_FID];
return 0;
}
return -ENXIO;
}
-static void ksz8795_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)
{
u32 data_hi, data_lo;
+ const u8 *shifts;
+ const u32 *masks;
u64 data;
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+
data_lo = ((u32)alu->mac[2] << 24) |
((u32)alu->mac[3] << 16) |
((u32)alu->mac[4] << 8) | alu->mac[5];
data_hi = ((u32)alu->mac[0] << 8) | alu->mac[1];
- data_hi |= (u32)alu->port_forward << STATIC_MAC_FWD_PORTS_S;
+ data_hi |= (u32)alu->port_forward << shifts[STATIC_MAC_FWD_PORTS];
if (alu->is_override)
- data_hi |= STATIC_MAC_TABLE_OVERRIDE;
+ data_hi |= masks[STATIC_MAC_TABLE_OVERRIDE];
if (alu->is_use_fid) {
- data_hi |= STATIC_MAC_TABLE_USE_FID;
- data_hi |= (u32)alu->fid << STATIC_MAC_FID_S;
+ data_hi |= masks[STATIC_MAC_TABLE_USE_FID];
+ data_hi |= (u32)alu->fid << shifts[STATIC_MAC_FID];
}
if (alu->is_static)
- data_hi |= STATIC_MAC_TABLE_VALID;
+ data_hi |= masks[STATIC_MAC_TABLE_VALID];
else
- data_hi &= ~STATIC_MAC_TABLE_OVERRIDE;
+ data_hi &= ~masks[STATIC_MAC_TABLE_OVERRIDE];
data = (u64)data_hi << 32 | data_lo;
- ksz8795_w_table(dev, TABLE_STATIC_MAC, addr, data);
+ ksz8_w_table(dev, TABLE_STATIC_MAC, addr, data);
}
-static void ksz8795_from_vlan(u16 vlan, u8 *fid, u8 *member, u8 *valid)
+static void ksz8_from_vlan(struct ksz_device *dev, u32 vlan, u8 *fid,
+ u8 *member, u8 *valid)
{
- *fid = vlan & VLAN_TABLE_FID;
- *member = (vlan & VLAN_TABLE_MEMBERSHIP) >> VLAN_TABLE_MEMBERSHIP_S;
- *valid = !!(vlan & VLAN_TABLE_VALID);
+ const u8 *shifts;
+ const u32 *masks;
+
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+
+ *fid = vlan & masks[VLAN_TABLE_FID];
+ *member = (vlan & masks[VLAN_TABLE_MEMBERSHIP]) >>
+ shifts[VLAN_TABLE_MEMBERSHIP_S];
+ *valid = !!(vlan & masks[VLAN_TABLE_VALID]);
}
-static void ksz8795_to_vlan(u8 fid, u8 member, u8 valid, u16 *vlan)
+static void ksz8_to_vlan(struct ksz_device *dev, u8 fid, u8 member, u8 valid,
+ u16 *vlan)
{
+ const u8 *shifts;
+ const u32 *masks;
+
+ shifts = dev->info->shifts;
+ masks = dev->info->masks;
+
*vlan = fid;
- *vlan |= (u16)member << VLAN_TABLE_MEMBERSHIP_S;
+ *vlan |= (u16)member << shifts[VLAN_TABLE_MEMBERSHIP_S];
if (valid)
- *vlan |= VLAN_TABLE_VALID;
+ *vlan |= masks[VLAN_TABLE_VALID];
}
-static void ksz8795_r_vlan_entries(struct ksz_device *dev, u16 addr)
+static void ksz8_r_vlan_entries(struct ksz_device *dev, u16 addr)
{
+ const u8 *shifts;
u64 data;
int i;
- ksz8795_r_table(dev, TABLE_VLAN, addr, &data);
+ shifts = dev->info->shifts;
+
+ ksz8_r_table(dev, TABLE_VLAN, addr, &data);
addr *= 4;
for (i = 0; i < 4; i++) {
dev->vlan_cache[addr + i].table[0] = (u16)data;
- data >>= VLAN_TABLE_S;
+ data >>= shifts[VLAN_TABLE];
}
}
-static void ksz8795_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan)
+static void ksz8_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan)
{
int index;
u16 *data;
@@ -435,11 +532,11 @@ static void ksz8795_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan)
data = (u16 *)&buf;
addr = vid / 4;
index = vid & 3;
- ksz8795_r_table(dev, TABLE_VLAN, addr, &buf);
+ ksz8_r_table(dev, TABLE_VLAN, addr, &buf);
*vlan = data[index];
}
-static void ksz8795_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan)
+static void ksz8_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan)
{
int index;
u16 *data;
@@ -449,94 +546,155 @@ static void ksz8795_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan)
data = (u16 *)&buf;
addr = vid / 4;
index = vid & 3;
- ksz8795_r_table(dev, TABLE_VLAN, addr, &buf);
+ ksz8_r_table(dev, TABLE_VLAN, addr, &buf);
data[index] = vlan;
dev->vlan_cache[vid].table[0] = vlan;
- ksz8795_w_table(dev, TABLE_VLAN, addr, buf);
+ ksz8_w_table(dev, TABLE_VLAN, addr, buf);
}
-static void ksz8795_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)
{
u8 restart, speed, ctrl, link;
int processed = true;
+ const u16 *regs;
+ u8 val1, val2;
u16 data = 0;
u8 p = phy;
+ int ret;
+
+ regs = dev->info->regs;
switch (reg) {
- case PHY_REG_CTRL:
- ksz_pread8(dev, p, P_NEG_RESTART_CTRL, &restart);
- ksz_pread8(dev, p, P_SPEED_STATUS, &speed);
- ksz_pread8(dev, p, P_FORCE_CTRL, &ctrl);
+ case MII_BMCR:
+ 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 |= PHY_LOOPBACK;
+ data |= BMCR_LOOPBACK;
if (ctrl & PORT_FORCE_100_MBIT)
- data |= PHY_SPEED_100MBIT;
- if (!(ctrl & PORT_AUTO_NEG_DISABLE))
- data |= PHY_AUTO_NEG_ENABLE;
+ data |= BMCR_SPEED100;
+ if (ksz_is_ksz88x3(dev)) {
+ if ((ctrl & PORT_AUTO_NEG_ENABLE))
+ data |= BMCR_ANENABLE;
+ } else {
+ if (!(ctrl & PORT_AUTO_NEG_DISABLE))
+ data |= BMCR_ANENABLE;
+ }
if (restart & PORT_POWER_DOWN)
- data |= PHY_POWER_DOWN;
+ data |= BMCR_PDOWN;
if (restart & PORT_AUTO_NEG_RESTART)
- data |= PHY_AUTO_NEG_RESTART;
+ data |= BMCR_ANRESTART;
if (ctrl & PORT_FORCE_FULL_DUPLEX)
- data |= PHY_FULL_DUPLEX;
+ data |= BMCR_FULLDPLX;
if (speed & PORT_HP_MDIX)
- data |= PHY_HP_MDIX;
+ data |= KSZ886X_BMCR_HP_MDIX;
if (restart & PORT_FORCE_MDIX)
- data |= PHY_FORCE_MDIX;
+ data |= KSZ886X_BMCR_FORCE_MDI;
if (restart & PORT_AUTO_MDIX_DISABLE)
- data |= PHY_AUTO_MDIX_DISABLE;
+ data |= KSZ886X_BMCR_DISABLE_AUTO_MDIX;
if (restart & PORT_TX_DISABLE)
- data |= PHY_TRANSMIT_DISABLE;
+ data |= KSZ886X_BMCR_DISABLE_TRANSMIT;
if (restart & PORT_LED_OFF)
- data |= PHY_LED_DISABLE;
+ data |= KSZ886X_BMCR_DISABLE_LED;
break;
- case PHY_REG_STATUS:
- ksz_pread8(dev, p, P_LINK_STATUS, &link);
- data = PHY_100BTX_FD_CAPABLE |
- PHY_100BTX_CAPABLE |
- PHY_10BT_FD_CAPABLE |
- PHY_10BT_CAPABLE |
- PHY_AUTO_NEG_CAPABLE;
+ case MII_BMSR:
+ ret = ksz_pread8(dev, p, regs[P_LINK_STATUS], &link);
+ if (ret)
+ return ret;
+
+ data = BMSR_100FULL |
+ BMSR_100HALF |
+ BMSR_10FULL |
+ BMSR_10HALF |
+ BMSR_ANEGCAPABLE;
if (link & PORT_AUTO_NEG_COMPLETE)
- data |= PHY_AUTO_NEG_ACKNOWLEDGE;
+ data |= BMSR_ANEGCOMPLETE;
if (link & PORT_STAT_LINK_GOOD)
- data |= PHY_LINK_STATUS;
+ data |= BMSR_LSTATUS;
break;
- case PHY_REG_ID_1:
+ case MII_PHYSID1:
data = KSZ8795_ID_HI;
break;
- case PHY_REG_ID_2:
- data = KSZ8795_ID_LO;
+ case MII_PHYSID2:
+ if (ksz_is_ksz88x3(dev))
+ data = KSZ8863_ID_LO;
+ else
+ data = KSZ8795_ID_LO;
break;
- case PHY_REG_AUTO_NEGOTIATION:
- ksz_pread8(dev, p, P_LOCAL_CTRL, &ctrl);
- data = PHY_AUTO_NEG_802_3;
+ case MII_ADVERTISE:
+ 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 |= PHY_AUTO_NEG_SYM_PAUSE;
+ data |= ADVERTISE_PAUSE_CAP;
if (ctrl & PORT_AUTO_NEG_100BTX_FD)
- data |= PHY_AUTO_NEG_100BTX_FD;
+ data |= ADVERTISE_100FULL;
if (ctrl & PORT_AUTO_NEG_100BTX)
- data |= PHY_AUTO_NEG_100BTX;
+ data |= ADVERTISE_100HALF;
if (ctrl & PORT_AUTO_NEG_10BT_FD)
- data |= PHY_AUTO_NEG_10BT_FD;
+ data |= ADVERTISE_10FULL;
if (ctrl & PORT_AUTO_NEG_10BT)
- data |= PHY_AUTO_NEG_10BT;
+ data |= ADVERTISE_10HALF;
break;
- case PHY_REG_REMOTE_CAPABILITY:
- ksz_pread8(dev, p, P_REMOTE_STATUS, &link);
- data = PHY_AUTO_NEG_802_3;
+ case MII_LPA:
+ ret = ksz_pread8(dev, p, regs[P_REMOTE_STATUS], &link);
+ if (ret)
+ return ret;
+
+ data = LPA_SLCT;
if (link & PORT_REMOTE_SYM_PAUSE)
- data |= PHY_AUTO_NEG_SYM_PAUSE;
+ data |= LPA_PAUSE_CAP;
if (link & PORT_REMOTE_100BTX_FD)
- data |= PHY_AUTO_NEG_100BTX_FD;
+ data |= LPA_100FULL;
if (link & PORT_REMOTE_100BTX)
- data |= PHY_AUTO_NEG_100BTX;
+ data |= LPA_100HALF;
if (link & PORT_REMOTE_10BT_FD)
- data |= PHY_AUTO_NEG_10BT_FD;
+ data |= LPA_10FULL;
if (link & PORT_REMOTE_10BT)
- data |= PHY_AUTO_NEG_10BT;
- if (data & ~PHY_AUTO_NEG_802_3)
- data |= PHY_REMOTE_ACKNOWLEDGE_NOT;
+ data |= LPA_10HALF;
+ if (data & ~LPA_SLCT)
+ data |= LPA_LPACK;
+ break;
+ case PHY_REG_LINK_MD:
+ 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;
+
+ if (val1 & PORT_CABLE_10M_SHORT)
+ data |= PHY_CABLE_10M_SHORT;
+
+ data |= FIELD_PREP(PHY_CABLE_DIAG_RESULT_M,
+ FIELD_GET(PORT_CABLE_DIAG_RESULT_M, val1));
+
+ data |= FIELD_PREP(PHY_CABLE_FAULT_COUNTER_M,
+ (FIELD_GET(PORT_CABLE_FAULT_COUNTER_H, val1) << 8) |
+ FIELD_GET(PORT_CABLE_FAULT_COUNTER_L, val2));
+ break;
+ case PHY_REG_PHY_CTRL:
+ 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;
default:
processed = false;
@@ -544,126 +702,158 @@ static void ksz8795_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val)
}
if (processed)
*val = data;
+
+ return 0;
}
-static void ksz8795_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)
{
- u8 p = phy;
u8 restart, speed, ctrl, data;
+ const u16 *regs;
+ u8 p = phy;
+ int ret;
+
+ regs = dev->info->regs;
switch (reg) {
- case PHY_REG_CTRL:
+ case MII_BMCR:
/* Do not support PHY reset function. */
- if (val & PHY_RESET)
+ if (val & BMCR_RESET)
break;
- ksz_pread8(dev, p, P_SPEED_STATUS, &speed);
+ ret = ksz_pread8(dev, p, regs[P_SPEED_STATUS], &speed);
+ if (ret)
+ return ret;
+
data = speed;
- if (val & PHY_HP_MDIX)
+ if (val & KSZ886X_BMCR_HP_MDIX)
data |= PORT_HP_MDIX;
else
data &= ~PORT_HP_MDIX;
- if (data != speed)
- ksz_pwrite8(dev, p, P_SPEED_STATUS, data);
- ksz_pread8(dev, p, 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 (!(val & PHY_AUTO_NEG_ENABLE))
- data |= PORT_AUTO_NEG_DISABLE;
- else
- data &= ~PORT_AUTO_NEG_DISABLE;
+ if (ksz_is_ksz88x3(dev)) {
+ if ((val & BMCR_ANENABLE))
+ data |= PORT_AUTO_NEG_ENABLE;
+ else
+ data &= ~PORT_AUTO_NEG_ENABLE;
+ } else {
+ if (!(val & BMCR_ANENABLE))
+ data |= PORT_AUTO_NEG_DISABLE;
+ else
+ data &= ~PORT_AUTO_NEG_DISABLE;
+
+ /* Fiber port does not support auto-negotiation. */
+ if (dev->ports[p].fiber)
+ data |= PORT_AUTO_NEG_DISABLE;
+ }
- /* Fiber port does not support auto-negotiation. */
- if (dev->ports[p].fiber)
- data |= PORT_AUTO_NEG_DISABLE;
- if (val & PHY_SPEED_100MBIT)
+ if (val & BMCR_SPEED100)
data |= PORT_FORCE_100_MBIT;
else
data &= ~PORT_FORCE_100_MBIT;
- if (val & PHY_FULL_DUPLEX)
+ if (val & BMCR_FULLDPLX)
data |= PORT_FORCE_FULL_DUPLEX;
else
data &= ~PORT_FORCE_FULL_DUPLEX;
- if (data != ctrl)
- ksz_pwrite8(dev, p, P_FORCE_CTRL, data);
- ksz_pread8(dev, p, 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 & PHY_LED_DISABLE)
+ if (val & KSZ886X_BMCR_DISABLE_LED)
data |= PORT_LED_OFF;
else
data &= ~PORT_LED_OFF;
- if (val & PHY_TRANSMIT_DISABLE)
+ if (val & KSZ886X_BMCR_DISABLE_TRANSMIT)
data |= PORT_TX_DISABLE;
else
data &= ~PORT_TX_DISABLE;
- if (val & PHY_AUTO_NEG_RESTART)
+ if (val & BMCR_ANRESTART)
data |= PORT_AUTO_NEG_RESTART;
else
data &= ~(PORT_AUTO_NEG_RESTART);
- if (val & PHY_POWER_DOWN)
+ if (val & BMCR_PDOWN)
data |= PORT_POWER_DOWN;
else
data &= ~PORT_POWER_DOWN;
- if (val & PHY_AUTO_MDIX_DISABLE)
+ if (val & KSZ886X_BMCR_DISABLE_AUTO_MDIX)
data |= PORT_AUTO_MDIX_DISABLE;
else
data &= ~PORT_AUTO_MDIX_DISABLE;
- if (val & PHY_FORCE_MDIX)
+ if (val & KSZ886X_BMCR_FORCE_MDI)
data |= PORT_FORCE_MDIX;
else
data &= ~PORT_FORCE_MDIX;
- if (val & PHY_LOOPBACK)
+ if (val & BMCR_LOOPBACK)
data |= PORT_PHY_LOOPBACK;
else
data &= ~PORT_PHY_LOOPBACK;
- if (data != restart)
- ksz_pwrite8(dev, p, 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 PHY_REG_AUTO_NEGOTIATION:
- ksz_pread8(dev, p, P_LOCAL_CTRL, &ctrl);
+ case MII_ADVERTISE:
+ 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 |
PORT_AUTO_NEG_100BTX |
PORT_AUTO_NEG_10BT_FD |
PORT_AUTO_NEG_10BT);
- if (val & PHY_AUTO_NEG_SYM_PAUSE)
+ if (val & ADVERTISE_PAUSE_CAP)
data |= PORT_AUTO_NEG_SYM_PAUSE;
- if (val & PHY_AUTO_NEG_100BTX_FD)
+ if (val & ADVERTISE_100FULL)
data |= PORT_AUTO_NEG_100BTX_FD;
- if (val & PHY_AUTO_NEG_100BTX)
+ if (val & ADVERTISE_100HALF)
data |= PORT_AUTO_NEG_100BTX;
- if (val & PHY_AUTO_NEG_10BT_FD)
+ if (val & ADVERTISE_10FULL)
data |= PORT_AUTO_NEG_10BT_FD;
- if (val & PHY_AUTO_NEG_10BT)
+ if (val & ADVERTISE_10HALF)
data |= PORT_AUTO_NEG_10BT;
- if (data != ctrl)
- ksz_pwrite8(dev, p, 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)
+ ksz_port_cfg(dev, p, REG_PORT_LINK_MD_CTRL, PORT_START_CABLE_DIAG, true);
break;
default:
break;
}
-}
-
-static enum dsa_tag_protocol ksz8795_get_tag_protocol(struct dsa_switch *ds,
- int port,
- enum dsa_tag_protocol mp)
-{
- return DSA_TAG_PROTO_KSZ8795;
-}
-static void ksz8795_get_strings(struct dsa_switch *ds, int port,
- u32 stringset, uint8_t *buf)
-{
- int i;
-
- for (i = 0; i < TOTAL_SWITCH_COUNTER_NUM; i++) {
- memcpy(buf + i * ETH_GSTRING_LEN, mib_names[i].string,
- ETH_GSTRING_LEN);
- }
+ return 0;
}
-static void ksz8795_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;
@@ -671,113 +861,32 @@ static void ksz8795_cfg_port_member(struct ksz_device *dev, int port,
data &= ~PORT_VLAN_MEMBERSHIP;
data |= (member & dev->port_mask);
ksz_pwrite8(dev, port, P_MIRROR_CTRL, data);
- dev->ports[port].member = member;
-}
-
-static void ksz8795_port_stp_state_set(struct dsa_switch *ds, int port,
- u8 state)
-{
- struct ksz_device *dev = ds->priv;
- int forward = dev->member;
- struct ksz_port *p;
- int member = -1;
- u8 data;
-
- p = &dev->ports[port];
-
- 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;
- if (port < SWITCH_PORT_NUM)
- member = 0;
- break;
- case BR_STATE_LISTENING:
- data |= (PORT_RX_ENABLE | PORT_LEARN_DISABLE);
- if (port < SWITCH_PORT_NUM &&
- p->stp_state == BR_STATE_DISABLED)
- member = dev->host_mask | p->vid_member;
- break;
- case BR_STATE_LEARNING:
- data |= PORT_RX_ENABLE;
- break;
- case BR_STATE_FORWARDING:
- data |= (PORT_TX_ENABLE | PORT_RX_ENABLE);
-
- /* This function is also used internally. */
- if (port == dev->cpu_port)
- break;
-
- /* Port is a member of a bridge. */
- if (dev->br_member & BIT(port)) {
- dev->member |= BIT(port);
- member = dev->member;
- } else {
- member = dev->host_mask | p->vid_member;
- }
- break;
- case BR_STATE_BLOCKING:
- data |= PORT_LEARN_DISABLE;
- if (port < SWITCH_PORT_NUM &&
- p->stp_state == BR_STATE_DISABLED)
- member = dev->host_mask | p->vid_member;
- break;
- default:
- dev_err(ds->dev, "invalid STP state: %d\n", state);
- return;
- }
-
- ksz_pwrite8(dev, port, P_STP_CTRL, data);
- p->stp_state = state;
- if (data & PORT_RX_ENABLE)
- dev->rx_ports |= BIT(port);
- else
- dev->rx_ports &= ~BIT(port);
- if (data & PORT_TX_ENABLE)
- dev->tx_ports |= BIT(port);
- else
- dev->tx_ports &= ~BIT(port);
-
- /* Port membership may share register with STP state. */
- if (member >= 0 && member != p->member)
- ksz8795_cfg_port_member(dev, port, (u8)member);
-
- /* Check if forwarding needs to be updated. */
- if (state != BR_STATE_FORWARDING) {
- if (dev->br_member & BIT(port))
- dev->member &= ~BIT(port);
- }
-
- /* When topology has changed the function ksz_update_port_member
- * should be called to modify port forwarding behavior.
- */
- if (forward != dev->member)
- ksz_update_port_member(dev, port);
}
-static void ksz8795_flush_dyn_mac_table(struct ksz_device *dev, int port)
+void ksz8_flush_dyn_mac_table(struct ksz_device *dev, int port)
{
- u8 learn[TOTAL_PORT_NUM];
+ u8 learn[DSA_MAX_PORTS];
int first, index, cnt;
struct ksz_port *p;
+ const u16 *regs;
- if ((uint)port < TOTAL_PORT_NUM) {
+ regs = dev->info->regs;
+
+ if ((uint)port < dev->info->port_cnt) {
first = port;
cnt = port + 1;
} else {
/* Flush all ports. */
first = 0;
- cnt = dev->mib_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);
@@ -786,102 +895,245 @@ static void ksz8795_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 ksz8795_port_vlan_filtering(struct dsa_switch *ds, int port,
- bool flag)
+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;
+
+ /* Discard packets with VID not enabled on the switch */
ksz_cfg(dev, S_MIRROR_CTRL, SW_VLAN_ENABLE, flag);
+ /* Discard packets with VID not enabled on the ingress port */
+ for (port = 0; port < dev->phy_port_cnt; ++port)
+ ksz_port_cfg(dev, port, REG_PORT_CTRL_2, PORT_INGRESS_FILTER,
+ flag);
+
return 0;
}
-static void ksz8795_port_vlan_add(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_vlan *vlan)
+static void ksz8_port_enable_pvid(struct ksz_device *dev, int port, bool state)
+{
+ if (ksz_is_ksz88x3(dev)) {
+ ksz_cfg(dev, REG_SW_INSERT_SRC_PVID,
+ 0x03 << (4 - 2 * port), state);
+ } else {
+ ksz_pwrite8(dev, port, REG_PORT_CTRL_12, state ? 0x0f : 0x00);
+ }
+}
+
+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;
- u16 data, vid, new_pvid = 0;
+ struct ksz_port *p = &dev->ports[port];
+ u16 data, new_pvid = 0;
u8 fid, member, valid;
- ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged);
+ if (ksz_is_ksz88x3(dev))
+ return -ENOTSUPP;
- for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
- ksz8795_r_vlan_table(dev, vid, &data);
- ksz8795_from_vlan(data, &fid, &member, &valid);
+ /* If a VLAN is added with untagged flag different from the
+ * port's Remove Tag flag, we need to change the latter.
+ * Ignore VID 0, which is always untagged.
+ * Ignore CPU port, which will always be tagged.
+ */
+ if (untagged != p->remove_tag && vlan->vid != 0 &&
+ port != dev->cpu_port) {
+ unsigned int vid;
- /* First time to setup the VLAN entry. */
- if (!valid) {
- /* Need to find a way to map VID to FID. */
- fid = 1;
- valid = 1;
+ /* Reject attempts to add a VLAN that requires the
+ * Remove Tag flag to be changed, unless there are no
+ * other VLANs currently configured.
+ */
+ for (vid = 1; vid < dev->info->num_vlans; ++vid) {
+ /* Skip the VID we are going to add or reconfigure */
+ if (vid == vlan->vid)
+ continue;
+
+ ksz8_from_vlan(dev, dev->vlan_cache[vid].table[0],
+ &fid, &member, &valid);
+ if (valid && (member & BIT(port)))
+ return -EINVAL;
}
- member |= BIT(port);
- ksz8795_to_vlan(fid, member, valid, &data);
- ksz8795_w_vlan_table(dev, vid, data);
+ ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged);
+ p->remove_tag = untagged;
+ }
+
+ ksz8_r_vlan_table(dev, vlan->vid, &data);
+ ksz8_from_vlan(dev, data, &fid, &member, &valid);
- /* change PVID */
- if (vlan->flags & BRIDGE_VLAN_INFO_PVID)
- new_pvid = vid;
+ /* First time to setup the VLAN entry. */
+ if (!valid) {
+ /* Need to find a way to map VID to FID. */
+ fid = 1;
+ valid = 1;
}
+ member |= BIT(port);
+
+ ksz8_to_vlan(dev, fid, member, valid, &data);
+ ksz8_w_vlan_table(dev, vlan->vid, data);
+
+ /* change PVID */
+ if (vlan->flags & BRIDGE_VLAN_INFO_PVID)
+ new_pvid = vlan->vid;
if (new_pvid) {
+ u16 vid;
+
ksz_pread16(dev, port, REG_PORT_CTRL_VID, &vid);
- vid &= 0xfff;
+ vid &= ~VLAN_VID_MASK;
vid |= new_pvid;
ksz_pwrite16(dev, port, REG_PORT_CTRL_VID, vid);
+
+ ksz8_port_enable_pvid(dev, port, true);
}
+
+ return 0;
}
-static int ksz8795_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)
{
- bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
- struct ksz_device *dev = ds->priv;
- u16 data, vid, pvid, new_pvid = 0;
+ u16 data, pvid;
u8 fid, member, valid;
+ if (ksz_is_ksz88x3(dev))
+ return -ENOTSUPP;
+
ksz_pread16(dev, port, REG_PORT_CTRL_VID, &pvid);
pvid = pvid & 0xFFF;
- ksz_port_cfg(dev, port, P_TAG_CTRL, PORT_REMOVE_TAG, untagged);
-
- for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
- ksz8795_r_vlan_table(dev, vid, &data);
- ksz8795_from_vlan(data, &fid, &member, &valid);
-
- member &= ~BIT(port);
+ ksz8_r_vlan_table(dev, vlan->vid, &data);
+ ksz8_from_vlan(dev, data, &fid, &member, &valid);
- /* Invalidate the entry if no more member. */
- if (!member) {
- fid = 0;
- valid = 0;
- }
-
- if (pvid == vid)
- new_pvid = 1;
+ member &= ~BIT(port);
- ksz8795_to_vlan(fid, member, valid, &data);
- ksz8795_w_vlan_table(dev, vid, data);
+ /* Invalidate the entry if no more member. */
+ if (!member) {
+ fid = 0;
+ valid = 0;
}
- if (new_pvid != pvid)
- ksz_pwrite16(dev, port, REG_PORT_CTRL_VID, pvid);
+ ksz8_to_vlan(dev, fid, member, valid, &data);
+ ksz8_w_vlan_table(dev, vlan->vid, data);
+
+ if (pvid == vlan->vid)
+ ksz8_port_enable_pvid(dev, port, false);
return 0;
}
-static int ksz8795_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);
@@ -900,10 +1152,9 @@ static int ksz8795_port_mirror_add(struct dsa_switch *ds, int port,
return 0;
}
-static void ksz8795_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) {
@@ -921,142 +1172,141 @@ static void ksz8795_port_mirror_del(struct dsa_switch *ds, int port,
PORT_MIRROR_SNIFFER, false);
}
-static void ksz8795_port_setup(struct ksz_device *dev, int port, bool cpu_port)
+static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
{
struct ksz_port *p = &dev->ports[port];
- u8 data8, member;
+
+ if (!p->interface && dev->compat_interface) {
+ dev_warn(dev->dev,
+ "Using legacy switch \"phy-mode\" property, because it is missing on port %d node. "
+ "Please update your device tree.\n",
+ port);
+ p->interface = dev->compat_interface;
+ }
+}
+
+void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
+{
+ struct dsa_switch *ds = dev->ds;
+ const u32 *masks;
+ u8 member;
+
+ masks = dev->info->masks;
/* enable broadcast storm limit */
ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
- ksz8795_set_prio_queue(dev, port, 4);
+ if (!ksz_is_ksz88x3(dev))
+ ksz8795_set_prio_queue(dev, port, 4);
/* disable DiffServ priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false);
/* replace priority */
- ksz_port_cfg(dev, port, P_802_1P_CTRL, PORT_802_1P_REMAPPING, false);
+ ksz_port_cfg(dev, port, P_802_1P_CTRL,
+ masks[PORT_802_1P_REMAPPING], false);
/* enable 802.1p priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true);
if (cpu_port) {
- /* 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 (dev->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 (dev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- dev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
- data8 |= PORT_RGMII_ID_IN_ENABLE;
- if (dev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
- dev->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;
+ if (!ksz_is_ksz88x3(dev))
+ ksz8795_cpu_interface_select(dev, port);
- member = dev->port_mask;
- dev->on_ports = dev->host_mask;
- dev->live_ports = dev->host_mask;
+ member = dsa_user_ports(ds);
} else {
- member = dev->host_mask | p->vid_member;
- dev->on_ports |= BIT(port);
-
- /* Link was detected before port is enabled. */
- if (p->phydev.link)
- dev->live_ports |= BIT(port);
+ member = BIT(dsa_upstream_port(ds, port));
}
- ksz8795_cfg_port_member(dev, port, member);
+
+ ksz8_cfg_port_member(dev, port, member);
}
-static void ksz8795_config_cpu_port(struct dsa_switch *ds)
+void ksz8_config_cpu_port(struct dsa_switch *ds)
{
struct ksz_device *dev = ds->priv;
struct ksz_port *p;
+ const u32 *masks;
+ const u16 *regs;
u8 remote;
int i;
- ds->num_ports = dev->port_cnt + 1;
+ 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);
- ksz_cfg(dev, S_TAIL_TAG_CTRL, SW_TAIL_TAG_ENABLE, true);
+ ksz_cfg(dev, regs[S_TAIL_TAG_CTRL], masks[SW_TAIL_TAG_ENABLE], true);
p = &dev->ports[dev->cpu_port];
- p->vid_member = dev->port_mask;
p->on = 1;
- ksz8795_port_setup(dev, dev->cpu_port, true);
- dev->member = dev->host_mask;
+ ksz8_port_setup(dev, dev->cpu_port, true);
- for (i = 0; i < SWITCH_PORT_NUM; i++) {
+ for (i = 0; i < dev->phy_port_cnt; i++) {
p = &dev->ports[i];
- /* Initialize to non-zero so that ksz_cfg_port_member() will
- * be called.
- */
- p->vid_member = BIT(i);
- p->member = dev->port_mask;
- ksz8795_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->port_cnt)
+ 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];
if (!p->on)
continue;
- ksz_pread8(dev, i, P_REMOTE_STATUS, &remote);
- if (remote & PORT_FIBER_MODE)
- p->fiber = 1;
+ if (!ksz_is_ksz88x3(dev)) {
+ ksz_pread8(dev, i, regs[P_REMOTE_STATUS], &remote);
+ 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 ksz8795_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 = ksz8795_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);
@@ -1075,232 +1325,65 @@ static int ksz8795_setup(struct dsa_switch *ds)
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP,
UNICAST_VLAN_BOUNDARY | NO_EXC_COLLISION_DROP);
- ksz8795_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);
- /* 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);
+ if (!ksz_is_ksz88x3(dev))
+ ksz_cfg(dev, REG_SW_CTRL_19, SW_INS_TAG_ENABLE, true);
- for (i = 0; i < VLAN_TABLE_ENTRIES; i++)
- ksz8795_r_vlan_entries(dev, 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;
+ return ksz8_handle_global_errata(ds);
+}
- ksz8795_w_sta_mac_table(dev, 0, &alu);
+void ksz8_get_caps(struct ksz_device *dev, int port,
+ struct phylink_config *config)
+{
+ config->mac_capabilities = MAC_10 | MAC_100;
- ksz_init_mib_timer(dev);
+ /* Silicon Errata Sheet (DS80000830A):
+ * "Port 1 does not respond to received flow control PAUSE frames"
+ * So, disable Pause support on "Port 1" (port == 0) for all ksz88x3
+ * switches.
+ */
+ if (!ksz_is_ksz88x3(dev) || port)
+ config->mac_capabilities |= MAC_SYM_PAUSE;
- return 0;
+ /* Asym pause is not supported on KSZ8863 and KSZ8873 */
+ if (!ksz_is_ksz88x3(dev))
+ config->mac_capabilities |= MAC_ASYM_PAUSE;
}
-static const struct dsa_switch_ops ksz8795_switch_ops = {
- .get_tag_protocol = ksz8795_get_tag_protocol,
- .setup = ksz8795_setup,
- .phy_read = ksz_phy_read16,
- .phy_write = ksz_phy_write16,
- .adjust_link = ksz_adjust_link,
- .port_enable = ksz_enable_port,
- .port_disable = ksz_disable_port,
- .get_strings = ksz8795_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 = ksz8795_port_stp_state_set,
- .port_fast_age = ksz_port_fast_age,
- .port_vlan_filtering = ksz8795_port_vlan_filtering,
- .port_vlan_prepare = ksz_port_vlan_prepare,
- .port_vlan_add = ksz8795_port_vlan_add,
- .port_vlan_del = ksz8795_port_vlan_del,
- .port_fdb_dump = ksz_port_fdb_dump,
- .port_mdb_prepare = ksz_port_mdb_prepare,
- .port_mdb_add = ksz_port_mdb_add,
- .port_mdb_del = ksz_port_mdb_del,
- .port_mirror_add = ksz8795_port_mirror_add,
- .port_mirror_del = ksz8795_port_mirror_del,
-};
-
-static u32 ksz8795_get_port_addr(int port, int offset)
+u32 ksz8_get_port_addr(int port, int offset)
{
return PORT_CTRL_ADDR(port, offset);
}
-static int ksz8795_switch_detect(struct ksz_device *dev)
+int ksz8_switch_init(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;
- if (id1 != FAMILY_ID ||
- (id2 != CHIP_ID_94 && id2 != CHIP_ID_95))
- return -ENODEV;
-
- dev->mib_port_cnt = TOTAL_PORT_NUM;
- dev->phy_port_cnt = SWITCH_PORT_NUM;
- dev->port_cnt = SWITCH_PORT_NUM;
-
- if (id2 == CHIP_ID_95) {
- u8 val;
-
- id2 = 0x95;
- ksz_read8(dev, REG_PORT_1_STATUS_0, &val);
- if (val & PORT_FIBER_MODE)
- id2 = 0x65;
- } else if (id2 == CHIP_ID_94) {
- dev->port_cnt--;
- dev->last_port = dev->port_cnt;
- id2 = 0x94;
- }
- id16 &= ~0xff;
- id16 |= id2;
- dev->chip_id = id16;
-
- dev->cpu_port = dev->mib_port_cnt - 1;
- dev->host_mask = BIT(dev->cpu_port);
+ 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;
- 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 ksz8795_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 = 4, /* total physical port count */
- },
- {
- .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 = 3, /* total physical port count */
- },
- {
- .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 = 4, /* total physical port count */
- },
-};
-
-static int ksz8795_switch_init(struct ksz_device *dev)
-{
- int i;
-
- dev->ds->ops = &ksz8795_switch_ops;
-
- for (i = 0; i < ARRAY_SIZE(ksz8795_switch_chips); i++) {
- const struct ksz_chip_data *chip = &ksz8795_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 = chip->port_cnt;
- dev->cpu_ports = chip->cpu_ports;
-
- break;
- }
- }
+ /* We rely on software untagging on the CPU port, so that we
+ * can support both tagged and untagged VLANs
+ */
+ dev->ds->untag_bridge_pvid = true;
- /* no switch found */
- if (!dev->cpu_ports)
- return -ENODEV;
-
- dev->port_mask = BIT(dev->port_cnt) - 1;
- dev->port_mask |= dev->host_mask;
-
- dev->reg_mib_cnt = SWITCH_COUNTER_NUM;
- dev->mib_cnt = TOTAL_SWITCH_COUNTER_NUM;
-
- i = dev->mib_port_cnt;
- dev->ports = devm_kzalloc(dev->dev, sizeof(struct ksz_port) * i,
- GFP_KERNEL);
- if (!dev->ports)
- return -ENOMEM;
- for (i = 0; i < dev->mib_port_cnt; i++) {
- mutex_init(&dev->ports[i].mib.cnt_mutex);
- dev->ports[i].mib.counters =
- devm_kzalloc(dev->dev,
- sizeof(u64) *
- (TOTAL_SWITCH_COUNTER_NUM + 1),
- GFP_KERNEL);
- if (!dev->ports[i].mib.counters)
- return -ENOMEM;
- }
+ /* VLAN filtering is partly controlled by the global VLAN
+ * Enable flag
+ */
+ dev->ds->vlan_filtering_is_global = true;
return 0;
}
-static void ksz8795_switch_exit(struct ksz_device *dev)
-{
- ksz8795_reset_switch(dev);
-}
-
-static const struct ksz_dev_ops ksz8795_dev_ops = {
- .get_port_addr = ksz8795_get_port_addr,
- .cfg_port_member = ksz8795_cfg_port_member,
- .flush_dyn_mac_table = ksz8795_flush_dyn_mac_table,
- .port_setup = ksz8795_port_setup,
- .r_phy = ksz8795_r_phy,
- .w_phy = ksz8795_w_phy,
- .r_dyn_mac_table = ksz8795_r_dyn_mac_table,
- .r_sta_mac_table = ksz8795_r_sta_mac_table,
- .w_sta_mac_table = ksz8795_w_sta_mac_table,
- .r_mib_cnt = ksz8795_r_mib_cnt,
- .r_mib_pkt = ksz8795_r_mib_pkt,
- .freeze_mib = ksz8795_freeze_mib,
- .port_init_cnt = ksz8795_port_init_cnt,
- .shutdown = ksz8795_reset_switch,
- .detect = ksz8795_switch_detect,
- .init = ksz8795_switch_init,
- .exit = ksz8795_switch_exit,
-};
-
-int ksz8795_switch_register(struct ksz_device *dev)
+void ksz8_switch_exit(struct ksz_device *dev)
{
- return ksz_switch_register(dev, &ksz8795_dev_ops);
+ ksz8_reset_switch(dev);
}
-EXPORT_SYMBOL(ksz8795_switch_register);
MODULE_AUTHOR("Tristram Ha <Tristram.Ha@microchip.com>");
MODULE_DESCRIPTION("Microchip KSZ8795 Series Switch DSA Driver");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.