kernel: add support for kernel 5.4
[openwrt/staging/jogo.git] / target / linux / generic / files / drivers / net / phy / ar8216.c
index 259adef8225901dc1b8cc7df4341a87ecd3f4a43..031efe61816c9b7bc3d01671bcb4f1e44c40dd48 100644 (file)
 extern const struct ar8xxx_chip ar8327_chip;
 extern const struct ar8xxx_chip ar8337_chip;
 
-#define AR8XXX_MIB_WORK_DELAY  2000 /* msecs */
+#define MIB_DESC_BASIC(_s , _o, _n)            \
+       {                                       \
+               .size = (_s),                   \
+               .offset = (_o),                 \
+               .name = (_n),                   \
+               .type = AR8XXX_MIB_BASIC,       \
+       }
 
-#define MIB_DESC(_s , _o, _n)  \
-       {                       \
-               .size = (_s),   \
-               .offset = (_o), \
-               .name = (_n),   \
+#define MIB_DESC_EXT(_s , _o, _n)              \
+       {                                       \
+               .size = (_s),                   \
+               .offset = (_o),                 \
+               .name = (_n),                   \
+               .type = AR8XXX_MIB_EXTENDED,    \
        }
 
 static const struct ar8xxx_mib_desc ar8216_mibs[] = {
-       MIB_DESC(1, AR8216_STATS_RXBROAD, "RxBroad"),
-       MIB_DESC(1, AR8216_STATS_RXPAUSE, "RxPause"),
-       MIB_DESC(1, AR8216_STATS_RXMULTI, "RxMulti"),
-       MIB_DESC(1, AR8216_STATS_RXFCSERR, "RxFcsErr"),
-       MIB_DESC(1, AR8216_STATS_RXALIGNERR, "RxAlignErr"),
-       MIB_DESC(1, AR8216_STATS_RXRUNT, "RxRunt"),
-       MIB_DESC(1, AR8216_STATS_RXFRAGMENT, "RxFragment"),
-       MIB_DESC(1, AR8216_STATS_RX64BYTE, "Rx64Byte"),
-       MIB_DESC(1, AR8216_STATS_RX128BYTE, "Rx128Byte"),
-       MIB_DESC(1, AR8216_STATS_RX256BYTE, "Rx256Byte"),
-       MIB_DESC(1, AR8216_STATS_RX512BYTE, "Rx512Byte"),
-       MIB_DESC(1, AR8216_STATS_RX1024BYTE, "Rx1024Byte"),
-       MIB_DESC(1, AR8216_STATS_RXMAXBYTE, "RxMaxByte"),
-       MIB_DESC(1, AR8216_STATS_RXTOOLONG, "RxTooLong"),
-       MIB_DESC(2, AR8216_STATS_RXGOODBYTE, "RxGoodByte"),
-       MIB_DESC(2, AR8216_STATS_RXBADBYTE, "RxBadByte"),
-       MIB_DESC(1, AR8216_STATS_RXOVERFLOW, "RxOverFlow"),
-       MIB_DESC(1, AR8216_STATS_FILTERED, "Filtered"),
-       MIB_DESC(1, AR8216_STATS_TXBROAD, "TxBroad"),
-       MIB_DESC(1, AR8216_STATS_TXPAUSE, "TxPause"),
-       MIB_DESC(1, AR8216_STATS_TXMULTI, "TxMulti"),
-       MIB_DESC(1, AR8216_STATS_TXUNDERRUN, "TxUnderRun"),
-       MIB_DESC(1, AR8216_STATS_TX64BYTE, "Tx64Byte"),
-       MIB_DESC(1, AR8216_STATS_TX128BYTE, "Tx128Byte"),
-       MIB_DESC(1, AR8216_STATS_TX256BYTE, "Tx256Byte"),
-       MIB_DESC(1, AR8216_STATS_TX512BYTE, "Tx512Byte"),
-       MIB_DESC(1, AR8216_STATS_TX1024BYTE, "Tx1024Byte"),
-       MIB_DESC(1, AR8216_STATS_TXMAXBYTE, "TxMaxByte"),
-       MIB_DESC(1, AR8216_STATS_TXOVERSIZE, "TxOverSize"),
-       MIB_DESC(2, AR8216_STATS_TXBYTE, "TxByte"),
-       MIB_DESC(1, AR8216_STATS_TXCOLLISION, "TxCollision"),
-       MIB_DESC(1, AR8216_STATS_TXABORTCOL, "TxAbortCol"),
-       MIB_DESC(1, AR8216_STATS_TXMULTICOL, "TxMultiCol"),
-       MIB_DESC(1, AR8216_STATS_TXSINGLECOL, "TxSingleCol"),
-       MIB_DESC(1, AR8216_STATS_TXEXCDEFER, "TxExcDefer"),
-       MIB_DESC(1, AR8216_STATS_TXDEFER, "TxDefer"),
-       MIB_DESC(1, AR8216_STATS_TXLATECOL, "TxLateCol"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXBROAD, "RxBroad"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXPAUSE, "RxPause"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXMULTI, "RxMulti"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXFCSERR, "RxFcsErr"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXALIGNERR, "RxAlignErr"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXRUNT, "RxRunt"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXFRAGMENT, "RxFragment"),
+       MIB_DESC_EXT(1, AR8216_STATS_RX64BYTE, "Rx64Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RX128BYTE, "Rx128Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RX256BYTE, "Rx256Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RX512BYTE, "Rx512Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RX1024BYTE, "Rx1024Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXMAXBYTE, "RxMaxByte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXTOOLONG, "RxTooLong"),
+       MIB_DESC_BASIC(2, AR8216_STATS_RXGOODBYTE, "RxGoodByte"),
+       MIB_DESC_EXT(2, AR8216_STATS_RXBADBYTE, "RxBadByte"),
+       MIB_DESC_EXT(1, AR8216_STATS_RXOVERFLOW, "RxOverFlow"),
+       MIB_DESC_EXT(1, AR8216_STATS_FILTERED, "Filtered"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXBROAD, "TxBroad"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXPAUSE, "TxPause"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXMULTI, "TxMulti"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXUNDERRUN, "TxUnderRun"),
+       MIB_DESC_EXT(1, AR8216_STATS_TX64BYTE, "Tx64Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TX128BYTE, "Tx128Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TX256BYTE, "Tx256Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TX512BYTE, "Tx512Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TX1024BYTE, "Tx1024Byte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXMAXBYTE, "TxMaxByte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXOVERSIZE, "TxOverSize"),
+       MIB_DESC_BASIC(2, AR8216_STATS_TXBYTE, "TxByte"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXCOLLISION, "TxCollision"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXABORTCOL, "TxAbortCol"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXMULTICOL, "TxMultiCol"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXSINGLECOL, "TxSingleCol"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXEXCDEFER, "TxExcDefer"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXDEFER, "TxDefer"),
+       MIB_DESC_EXT(1, AR8216_STATS_TXLATECOL, "TxLateCol"),
 };
 
 const struct ar8xxx_mib_desc ar8236_mibs[39] = {
-       MIB_DESC(1, AR8236_STATS_RXBROAD, "RxBroad"),
-       MIB_DESC(1, AR8236_STATS_RXPAUSE, "RxPause"),
-       MIB_DESC(1, AR8236_STATS_RXMULTI, "RxMulti"),
-       MIB_DESC(1, AR8236_STATS_RXFCSERR, "RxFcsErr"),
-       MIB_DESC(1, AR8236_STATS_RXALIGNERR, "RxAlignErr"),
-       MIB_DESC(1, AR8236_STATS_RXRUNT, "RxRunt"),
-       MIB_DESC(1, AR8236_STATS_RXFRAGMENT, "RxFragment"),
-       MIB_DESC(1, AR8236_STATS_RX64BYTE, "Rx64Byte"),
-       MIB_DESC(1, AR8236_STATS_RX128BYTE, "Rx128Byte"),
-       MIB_DESC(1, AR8236_STATS_RX256BYTE, "Rx256Byte"),
-       MIB_DESC(1, AR8236_STATS_RX512BYTE, "Rx512Byte"),
-       MIB_DESC(1, AR8236_STATS_RX1024BYTE, "Rx1024Byte"),
-       MIB_DESC(1, AR8236_STATS_RX1518BYTE, "Rx1518Byte"),
-       MIB_DESC(1, AR8236_STATS_RXMAXBYTE, "RxMaxByte"),
-       MIB_DESC(1, AR8236_STATS_RXTOOLONG, "RxTooLong"),
-       MIB_DESC(2, AR8236_STATS_RXGOODBYTE, "RxGoodByte"),
-       MIB_DESC(2, AR8236_STATS_RXBADBYTE, "RxBadByte"),
-       MIB_DESC(1, AR8236_STATS_RXOVERFLOW, "RxOverFlow"),
-       MIB_DESC(1, AR8236_STATS_FILTERED, "Filtered"),
-       MIB_DESC(1, AR8236_STATS_TXBROAD, "TxBroad"),
-       MIB_DESC(1, AR8236_STATS_TXPAUSE, "TxPause"),
-       MIB_DESC(1, AR8236_STATS_TXMULTI, "TxMulti"),
-       MIB_DESC(1, AR8236_STATS_TXUNDERRUN, "TxUnderRun"),
-       MIB_DESC(1, AR8236_STATS_TX64BYTE, "Tx64Byte"),
-       MIB_DESC(1, AR8236_STATS_TX128BYTE, "Tx128Byte"),
-       MIB_DESC(1, AR8236_STATS_TX256BYTE, "Tx256Byte"),
-       MIB_DESC(1, AR8236_STATS_TX512BYTE, "Tx512Byte"),
-       MIB_DESC(1, AR8236_STATS_TX1024BYTE, "Tx1024Byte"),
-       MIB_DESC(1, AR8236_STATS_TX1518BYTE, "Tx1518Byte"),
-       MIB_DESC(1, AR8236_STATS_TXMAXBYTE, "TxMaxByte"),
-       MIB_DESC(1, AR8236_STATS_TXOVERSIZE, "TxOverSize"),
-       MIB_DESC(2, AR8236_STATS_TXBYTE, "TxByte"),
-       MIB_DESC(1, AR8236_STATS_TXCOLLISION, "TxCollision"),
-       MIB_DESC(1, AR8236_STATS_TXABORTCOL, "TxAbortCol"),
-       MIB_DESC(1, AR8236_STATS_TXMULTICOL, "TxMultiCol"),
-       MIB_DESC(1, AR8236_STATS_TXSINGLECOL, "TxSingleCol"),
-       MIB_DESC(1, AR8236_STATS_TXEXCDEFER, "TxExcDefer"),
-       MIB_DESC(1, AR8236_STATS_TXDEFER, "TxDefer"),
-       MIB_DESC(1, AR8236_STATS_TXLATECOL, "TxLateCol"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXBROAD, "RxBroad"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXPAUSE, "RxPause"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXMULTI, "RxMulti"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXFCSERR, "RxFcsErr"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXALIGNERR, "RxAlignErr"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXRUNT, "RxRunt"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXFRAGMENT, "RxFragment"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX64BYTE, "Rx64Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX128BYTE, "Rx128Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX256BYTE, "Rx256Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX512BYTE, "Rx512Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX1024BYTE, "Rx1024Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RX1518BYTE, "Rx1518Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXMAXBYTE, "RxMaxByte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXTOOLONG, "RxTooLong"),
+       MIB_DESC_BASIC(2, AR8236_STATS_RXGOODBYTE, "RxGoodByte"),
+       MIB_DESC_EXT(2, AR8236_STATS_RXBADBYTE, "RxBadByte"),
+       MIB_DESC_EXT(1, AR8236_STATS_RXOVERFLOW, "RxOverFlow"),
+       MIB_DESC_EXT(1, AR8236_STATS_FILTERED, "Filtered"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXBROAD, "TxBroad"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXPAUSE, "TxPause"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXMULTI, "TxMulti"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXUNDERRUN, "TxUnderRun"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX64BYTE, "Tx64Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX128BYTE, "Tx128Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX256BYTE, "Tx256Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX512BYTE, "Tx512Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX1024BYTE, "Tx1024Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TX1518BYTE, "Tx1518Byte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXMAXBYTE, "TxMaxByte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXOVERSIZE, "TxOverSize"),
+       MIB_DESC_BASIC(2, AR8236_STATS_TXBYTE, "TxByte"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXCOLLISION, "TxCollision"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXABORTCOL, "TxAbortCol"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXMULTICOL, "TxMultiCol"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXSINGLECOL, "TxSingleCol"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXEXCDEFER, "TxExcDefer"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXDEFER, "TxDefer"),
+       MIB_DESC_EXT(1, AR8236_STATS_TXLATECOL, "TxLateCol"),
 };
 
 static DEFINE_MUTEX(ar8xxx_dev_list_lock);
 static LIST_HEAD(ar8xxx_dev_list);
 
+static void
+ar8xxx_mib_start(struct ar8xxx_priv *priv);
+static void
+ar8xxx_mib_stop(struct ar8xxx_priv *priv);
+
 /* inspired by phy_poll_reset in drivers/net/phy/phy_device.c */
 static int
 ar8xxx_phy_poll_reset(struct mii_bus *bus)
@@ -428,6 +440,8 @@ ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv *priv, int port, bool flush)
                u64 t;
 
                mib = &priv->chip->mib_decs[i];
+               if (mib->type > priv->mib_type)
+                       continue;
                t = ar8xxx_read(priv, base + mib->offset);
                if (mib->size == 2) {
                        u64 hi;
@@ -1190,7 +1204,7 @@ ar8xxx_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
 {
        struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
 
-       if (val->port_vlan >= AR8X16_MAX_VLANS)
+       if (val->port_vlan >= dev->vlans)
                return -EINVAL;
 
        priv->vlan_id[val->port_vlan] = val->value.i;
@@ -1223,7 +1237,7 @@ ar8xxx_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
        u8 ports;
        int i;
 
-       if (val->port_vlan >= AR8X16_MAX_VLANS)
+       if (val->port_vlan >= dev->vlans)
                return -EINVAL;
 
        ports = priv->vlan_table[val->port_vlan];
@@ -1263,7 +1277,7 @@ ar8xxx_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
 
                        /* make sure that an untagged port does not
                         * appear in other vlans */
-                       for (j = 0; j < AR8X16_MAX_VLANS; j++) {
+                       for (j = 0; j < dev->vlans; j++) {
                                if (j == val->port_vlan)
                                        continue;
                                priv->vlan_table[j] &= ~(1 << p->id);
@@ -1342,7 +1356,7 @@ ar8xxx_sw_hw_apply(struct switch_dev *dev)
        if (!priv->init) {
                /* calculate the port destination masks and load vlans
                 * into the vlan translation unit */
-               for (j = 0; j < AR8X16_MAX_VLANS; j++) {
+               for (j = 0; j < dev->vlans; j++) {
                        u8 vp = priv->vlan_table[j];
 
                        if (!vp)
@@ -1395,7 +1409,7 @@ ar8xxx_sw_reset_switch(struct switch_dev *dev)
        memset(&priv->vlan, 0, sizeof(struct ar8xxx_priv) -
                offsetof(struct ar8xxx_priv, vlan));
 
-       for (i = 0; i < AR8X16_MAX_VLANS; i++)
+       for (i = 0; i < dev->vlans; i++)
                priv->vlan_id[i] = i;
 
        /* Configure all ports */
@@ -1444,6 +1458,62 @@ unlock:
        return ret;
 }
 
+int
+ar8xxx_sw_set_mib_poll_interval(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+       if (!ar8xxx_has_mib_counters(priv))
+               return -EOPNOTSUPP;
+
+       ar8xxx_mib_stop(priv);
+       priv->mib_poll_interval = val->value.i;
+       ar8xxx_mib_start(priv);
+
+       return 0;
+}
+
+int
+ar8xxx_sw_get_mib_poll_interval(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+       if (!ar8xxx_has_mib_counters(priv))
+               return -EOPNOTSUPP;
+       val->value.i = priv->mib_poll_interval;
+       return 0;
+}
+
+int
+ar8xxx_sw_set_mib_type(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+       if (!ar8xxx_has_mib_counters(priv))
+               return -EOPNOTSUPP;
+       priv->mib_type = val->value.i;
+       return 0;
+}
+
+int
+ar8xxx_sw_get_mib_type(struct switch_dev *dev,
+                              const struct switch_attr *attr,
+                              struct switch_val *val)
+{
+       struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+       if (!ar8xxx_has_mib_counters(priv))
+               return -EOPNOTSUPP;
+       val->value.i = priv->mib_type;
+       return 0;
+}
+
 int
 ar8xxx_sw_set_mirror_rx_enable(struct switch_dev *dev,
                               const struct switch_attr *attr,
@@ -1615,7 +1685,7 @@ ar8xxx_sw_get_port_mib(struct switch_dev *dev,
        int i, len = 0;
        bool mib_stats_empty = true;
 
-       if (!ar8xxx_has_mib_counters(priv))
+       if (!ar8xxx_has_mib_counters(priv) || !priv->mib_poll_interval)
                return -EOPNOTSUPP;
 
        port = val->port_vlan;
@@ -1634,6 +1704,8 @@ ar8xxx_sw_get_port_mib(struct switch_dev *dev,
 
        mib_stats = &priv->mib_stats[port * chip->num_mibs];
        for (i = 0; i < chip->num_mibs; i++) {
+               if (chip->mib_decs[i].type > priv->mib_type)
+                       continue;
                mib_name = chip->mib_decs[i].name;
                mib_data = mib_stats[i];
                len += snprintf(buf + len, sizeof(priv->buf) - len,
@@ -1807,7 +1879,7 @@ ar8xxx_sw_get_port_stats(struct switch_dev *dev, int port,
        struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
        u64 *mib_stats;
 
-       if (!ar8xxx_has_mib_counters(priv))
+       if (!ar8xxx_has_mib_counters(priv) || !priv->mib_poll_interval)
                return -EOPNOTSUPP;
 
        if (!(priv->chip->mib_rxb_id || priv->chip->mib_txb_id))
@@ -1857,6 +1929,20 @@ static const struct switch_attr ar8xxx_sw_attr_globals[] = {
                .description = "Reset all MIB counters",
                .set = ar8xxx_sw_set_reset_mibs,
        },
+       {
+               .type = SWITCH_TYPE_INT,
+               .name = "ar8xxx_mib_poll_interval",
+               .description = "MIB polling interval in msecs (0 to disable)",
+               .set = ar8xxx_sw_set_mib_poll_interval,
+               .get = ar8xxx_sw_get_mib_poll_interval
+       },
+       {
+               .type = SWITCH_TYPE_INT,
+               .name = "ar8xxx_mib_type",
+               .description = "MIB type (0=basic 1=extended)",
+               .set = ar8xxx_sw_set_mib_type,
+               .get = ar8xxx_sw_get_mib_type
+       },
        {
                .type = SWITCH_TYPE_INT,
                .name = "enable_mirror_rx",
@@ -2208,7 +2294,7 @@ ar8xxx_mib_work_func(struct work_struct *work)
 next_attempt:
        mutex_unlock(&priv->mib_lock);
        schedule_delayed_work(&priv->mib_work,
-                             msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+                             msecs_to_jiffies(priv->mib_poll_interval));
 }
 
 static int
@@ -2234,17 +2320,17 @@ ar8xxx_mib_init(struct ar8xxx_priv *priv)
 static void
 ar8xxx_mib_start(struct ar8xxx_priv *priv)
 {
-       if (!ar8xxx_has_mib_counters(priv))
+       if (!ar8xxx_has_mib_counters(priv) || !priv->mib_poll_interval)
                return;
 
        schedule_delayed_work(&priv->mib_work,
-                             msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+                             msecs_to_jiffies(priv->mib_poll_interval));
 }
 
 static void
 ar8xxx_mib_stop(struct ar8xxx_priv *priv)
 {
-       if (!ar8xxx_has_mib_counters(priv))
+       if (!ar8xxx_has_mib_counters(priv) || !priv->mib_poll_interval)
                return;
 
        cancel_delayed_work_sync(&priv->mib_work);
@@ -2401,7 +2487,9 @@ ar8xxx_phy_read_status(struct phy_device *phydev)
        struct switch_port_link link;
 
        /* check for switch port link changes */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 1, 0)
        if (phydev->state == PHY_CHANGELINK)
+#endif
                ar8xxx_check_link_states(priv);
 
        if (phydev->mdio.addr != 0)
@@ -2513,6 +2601,11 @@ ar8xxx_phy_probe(struct phy_device *phydev)
        priv->mii_bus = phydev->mdio.bus;
        priv->pdev = &phydev->mdio.dev;
 
+       ret = of_property_read_u32(priv->pdev->of_node, "qca,mib-poll-interval",
+                                  &priv->mib_poll_interval);
+       if (ret)
+               priv->mib_poll_interval = 0;
+
        ret = ar8xxx_id_chip(priv);
        if (ret)
                goto free_priv;
@@ -2537,6 +2630,14 @@ found:
        priv->use_count++;
 
        if (phydev->mdio.addr == 0) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
+               linkmode_zero(phydev->supported);
+               if (ar8xxx_has_gige(priv))
+                       linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, phydev->supported);
+               else
+                       linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, phydev->supported);
+               linkmode_copy(phydev->advertising, phydev->supported);
+#else
                if (ar8xxx_has_gige(priv)) {
                        phydev->supported = SUPPORTED_1000baseT_Full;
                        phydev->advertising = ADVERTISED_1000baseT_Full;
@@ -2544,6 +2645,7 @@ found:
                        phydev->supported = SUPPORTED_100baseT_Full;
                        phydev->advertising = ADVERTISED_100baseT_Full;
                }
+#endif
 
                if (priv->chip->config_at_probe) {
                        priv->phy = phydev;
@@ -2554,8 +2656,14 @@ found:
                }
        } else {
                if (ar8xxx_has_gige(priv)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
+                       linkmode_zero(phydev->supported);
+                       linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, phydev->supported);
+                       linkmode_copy(phydev->advertising, phydev->supported);
+#else
                        phydev->supported |= SUPPORTED_1000baseT_Full;
                        phydev->advertising |= ADVERTISED_1000baseT_Full;
+#endif
                }
                if (priv->chip->phy_rgmii_set)
                        priv->chip->phy_rgmii_set(priv, phydev);
@@ -2680,6 +2788,11 @@ ar8xxx_mdiodev_probe(struct mdio_device *mdiodev)
        priv->pdev = &mdiodev->dev;
        priv->chip = (const struct ar8xxx_chip *) match->data;
 
+       ret = of_property_read_u32(priv->pdev->of_node, "qca,mib-poll-interval",
+                                  &priv->mib_poll_interval);
+       if (ret)
+               priv->mib_poll_interval = 0;
+
        ret = ar8xxx_read_id(priv);
        if (ret)
                goto free_priv;