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ar71xx: Fix tagged+untagged operation on AR8327N (#12181)
Replace the global "vlan_tagged" variable with an array storing the tagging state per vlan. The code was taken from #12181, tested and cleaned up by Saverio Proto with additional bug fixes supplied by Álvaro Fernández. Tested-by: Jo-Philipp Wich <jow@openwrt.org> Signed-off-by: Saverio Proto <zioproto@gmail.com> Signed-off-by: Álvaro Fernández <noltari@gmail.com> SVN-Revision: 40777
This commit is contained in:
Jo-Philipp Wich
parent
385b08d475
commit
443b2dfe3c
@ -73,12 +73,11 @@ struct ar8xxx_chip {
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void (*init_globals)(struct ar8xxx_priv *priv);
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void (*init_port)(struct ar8xxx_priv *priv, int port);
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void (*setup_port)(struct ar8xxx_priv *priv, int port, u32 egress,
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u32 ingress, u32 members, u32 pvid);
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void (*setup_port)(struct ar8xxx_priv *priv, int port, u32 members);
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u32 (*read_port_status)(struct ar8xxx_priv *priv, int port);
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int (*atu_flush)(struct ar8xxx_priv *priv);
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void (*vtu_flush)(struct ar8xxx_priv *priv);
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void (*vtu_load_vlan)(struct ar8xxx_priv *priv, u32 vid, u32 port_mask);
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void (*vtu_load_vlan)(struct ar8xxx_priv *priv, u32 vlan);
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const struct ar8xxx_mib_desc *mib_decs;
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unsigned num_mibs;
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@ -112,7 +111,12 @@ struct ar8327_led {
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enum ar8327_led_pattern pattern;
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};
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struct ar8216_data {
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u8 vlan_tagged;
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};
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struct ar8327_data {
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u8 vlan_tagged[AR8X16_MAX_VLANS];
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u32 port0_status;
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u32 port6_status;
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@ -138,6 +142,7 @@ struct ar8xxx_priv {
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u8 chip_rev;
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const struct ar8xxx_chip *chip;
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union {
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struct ar8216_data ar8216;
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struct ar8327_data ar8327;
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} chip_data;
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bool initialized;
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@ -159,7 +164,6 @@ struct ar8xxx_priv {
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bool vlan;
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u16 vlan_id[AR8X16_MAX_VLANS];
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u8 vlan_table[AR8X16_MAX_VLANS];
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u8 vlan_tagged;
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u16 pvid[AR8X16_MAX_PORTS];
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/* mirroring */
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@ -641,7 +645,7 @@ ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb)
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port = buf[0] & 0xf;
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/* no need to fix up packets coming from a tagged source */
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if (priv->vlan_tagged & (1 << port))
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if (priv->chip_data.ar8216.vlan_tagged & BIT(port))
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return;
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/* lookup port vid from local table, the switch passes an invalid vlan id */
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@ -695,11 +699,15 @@ ar8216_vtu_flush(struct ar8xxx_priv *priv)
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}
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static void
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ar8216_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
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ar8216_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vlan)
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{
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u32 op;
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u32 vid = priv->vlan_id[vlan];
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u32 port_mask = priv->vlan_table[vlan];
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op = AR8216_VTU_OP_LOAD | (vid << AR8216_VTU_VID_S);
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ar8216_vtu_op(priv, op, port_mask);
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}
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@ -722,10 +730,26 @@ ar8216_read_port_status(struct ar8xxx_priv *priv, int port)
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}
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static void
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ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
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u32 members, u32 pvid)
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ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
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{
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u32 header;
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u32 egress, ingress;
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u32 pvid;
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if (priv->vlan) {
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pvid = priv->vlan_id[priv->pvid[port]];
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if (priv->chip_data.ar8216.vlan_tagged & BIT(port))
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egress = AR8216_OUT_ADD_VLAN;
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else
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egress = AR8216_OUT_STRIP_VLAN;
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ingress = AR8216_IN_SECURE;
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} else {
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pvid = port;
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egress = AR8216_OUT_KEEP;
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ingress = AR8216_IN_PORT_ONLY;
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}
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if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU)
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header = AR8216_PORT_CTRL_HEADER;
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@ -807,9 +831,24 @@ static const struct ar8xxx_chip ar8216_chip = {
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};
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static void
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ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
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u32 members, u32 pvid)
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ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
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{
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u32 egress, ingress;
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u32 pvid;
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if (priv->vlan) {
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pvid = priv->vlan_id[priv->pvid[port]];
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if (priv->chip_data.ar8216.vlan_tagged & BIT(port))
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egress = AR8216_OUT_ADD_VLAN;
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else
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egress = AR8216_OUT_STRIP_VLAN;
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ingress = AR8216_IN_SECURE;
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} else {
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pvid = port;
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egress = AR8216_OUT_KEEP;
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ingress = AR8216_IN_PORT_ONLY;
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}
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ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
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AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
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AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
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@ -1696,12 +1735,16 @@ ar8327_vtu_flush(struct ar8xxx_priv *priv)
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}
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static void
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ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
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ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vlan)
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{
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u32 op;
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u32 val;
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u32 op, val;
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int i;
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u32 vid = priv->vlan_id[vlan];
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u32 port_mask = priv->vlan_table[vlan];
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u32 tagged = priv->chip_data.ar8327.vlan_tagged[vlan];
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op = AR8327_VTU_FUNC1_OP_LOAD | (vid << AR8327_VTU_FUNC1_VID_S);
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val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL;
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for (i = 0; i < AR8327_NUM_PORTS; i++) {
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@ -1711,7 +1754,7 @@ ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
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mode = AR8327_VTU_FUNC0_EG_MODE_NOT;
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else if (priv->vlan == 0)
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mode = AR8327_VTU_FUNC0_EG_MODE_KEEP;
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else if (priv->vlan_tagged & BIT(i))
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else if (tagged & BIT(i))
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mode = AR8327_VTU_FUNC0_EG_MODE_TAG;
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else
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mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG;
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@ -1722,29 +1765,27 @@ ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
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}
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static void
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ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
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u32 members, u32 pvid)
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ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
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{
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u32 ingress, mode;
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u32 pvid;
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u32 t;
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u32 mode;
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if (priv->vlan) {
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pvid = priv->vlan_id[priv->pvid[port]];
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mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD;
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ingress = AR8216_IN_SECURE;
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} else {
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pvid = port;
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mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
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ingress = AR8216_IN_PORT_ONLY;
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}
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t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S;
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t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S;
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priv->write(priv, AR8327_REG_PORT_VLAN0(port), t);
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mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD;
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switch (egress) {
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case AR8216_OUT_KEEP:
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mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
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break;
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case AR8216_OUT_STRIP_VLAN:
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mode = AR8327_PORT_VLAN1_OUT_MODE_UNTAG;
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break;
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case AR8216_OUT_ADD_VLAN:
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mode = AR8327_PORT_VLAN1_OUT_MODE_TAG;
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break;
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}
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t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
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t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S;
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priv->write(priv, AR8327_REG_PORT_VLAN1(port), t);
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@ -1842,23 +1883,20 @@ ar8xxx_sw_get_port_link(struct switch_dev *dev, int port,
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}
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static int
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ar8xxx_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
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ar8xxx_sw_get_ports(struct switch_val *val, int ports, u8 port_mask, u8 tagged)
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{
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struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
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u8 ports = priv->vlan_table[val->port_vlan];
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int i;
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val->len = 0;
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for (i = 0; i < dev->ports; i++) {
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for (i = 0; i < ports; i++) {
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struct switch_port *p;
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if (!(ports & (1 << i)))
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if (!(port_mask & BIT(i)))
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continue;
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p = &val->value.ports[val->len++];
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p->id = i;
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if (priv->vlan_tagged & (1 << i))
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p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
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if (tagged & BIT(i))
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p->flags = BIT(SWITCH_PORT_FLAG_TAGGED);
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else
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p->flags = 0;
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}
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@ -1866,20 +1904,56 @@ ar8xxx_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
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}
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static int
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ar8xxx_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
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ar8216_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
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{
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int ports = dev->ports;
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struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
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u8 port_mask = priv->vlan_table[val->port_vlan];
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u8 tagged = priv->chip_data.ar8216.vlan_tagged;
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return ar8xxx_sw_get_ports(val, ports, port_mask, tagged);
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}
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static int
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ar8327_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
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{
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int ports = dev->ports;
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struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
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u8 port_mask = priv->vlan_table[val->port_vlan];
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u8 tagged = priv->chip_data.ar8327.vlan_tagged[val->port_vlan];
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return ar8xxx_sw_get_ports(val, ports, port_mask, tagged);
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}
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static int
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ar8216_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
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{
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struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
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u8 *vt = &priv->vlan_table[val->port_vlan];
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u8 *tagged = &priv->chip_data.ar8216.vlan_tagged;
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int i, j;
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*vt = 0;
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for (i = 0; i < val->len; i++) {
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struct switch_port *p = &val->value.ports[i];
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if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) {
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priv->vlan_tagged |= (1 << p->id);
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if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED)) {
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/* if port was untagged before then
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* remove him from other vlans */
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if(*tagged & BIT(p->id)){
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for (j = 0; j < AR8X16_MAX_VLANS; j++) {
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if (j == val->port_vlan)
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continue;
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priv->vlan_table[j] &= ~(BIT(p->id));
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}
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}
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*tagged |= BIT(p->id);
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} else {
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priv->vlan_tagged &= ~(1 << p->id);
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*tagged &= ~(BIT(p->id));
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priv->pvid[p->id] = val->port_vlan;
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/* make sure that an untagged port does not
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@ -1887,11 +1961,38 @@ ar8xxx_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
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for (j = 0; j < AR8X16_MAX_VLANS; j++) {
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if (j == val->port_vlan)
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continue;
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priv->vlan_table[j] &= ~(1 << p->id);
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priv->vlan_table[j] &= ~(BIT(p->id));
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}
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}
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*vt |= 1 << p->id;
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*vt |= BIT(p->id);
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}
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return 0;
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}
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static int
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ar8327_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
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{
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struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
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u8 *vt = &priv->vlan_table[val->port_vlan];
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u8 *vlan_tagged = priv->chip_data.ar8327.vlan_tagged;
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u8 *tagged = &vlan_tagged[val->port_vlan];
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int i, j;
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*vt = 0;
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*tagged = 0;
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for (i = 0; i < val->len; i++) {
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struct switch_port *p = &val->value.ports[i];
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if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED)) {
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*tagged |= BIT(p->id);
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} else {
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priv->pvid[p->id] = val->port_vlan;
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}
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*vt |= BIT(p->id);
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}
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return 0;
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}
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@ -2010,13 +2111,11 @@ ar8xxx_sw_hw_apply(struct switch_dev *dev)
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continue;
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for (i = 0; i < dev->ports; i++) {
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u8 mask = (1 << i);
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u8 mask = BIT(i);
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if (vp & mask)
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portmask[i] |= vp & ~mask;
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}
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priv->chip->vtu_load_vlan(priv, priv->vlan_id[j],
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priv->vlan_table[j]);
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priv->chip->vtu_load_vlan(priv, j);
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}
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} else {
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/* vlan disabled:
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@ -2025,31 +2124,14 @@ ar8xxx_sw_hw_apply(struct switch_dev *dev)
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if (i == AR8216_PORT_CPU)
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continue;
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portmask[i] = 1 << AR8216_PORT_CPU;
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portmask[AR8216_PORT_CPU] |= (1 << i);
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portmask[i] = BIT(AR8216_PORT_CPU);
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portmask[AR8216_PORT_CPU] |= BIT(i);
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}
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}
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/* update the port destination mask registers and tag settings */
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for (i = 0; i < dev->ports; i++) {
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int egress, ingress;
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int pvid;
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if (priv->vlan) {
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pvid = priv->vlan_id[priv->pvid[i]];
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if (priv->vlan_tagged & (1 << i))
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egress = AR8216_OUT_ADD_VLAN;
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else
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egress = AR8216_OUT_STRIP_VLAN;
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ingress = AR8216_IN_SECURE;
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} else {
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pvid = i;
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egress = AR8216_OUT_KEEP;
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ingress = AR8216_IN_PORT_ONLY;
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}
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priv->chip->setup_port(priv, i, egress, ingress, portmask[i],
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pvid);
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priv->chip->setup_port(priv, i, portmask[i]);
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}
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ar8xxx_set_mirror_regs(priv);
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@ -2433,8 +2515,8 @@ static const struct switch_dev_ops ar8xxx_sw_ops = {
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},
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.get_port_pvid = ar8xxx_sw_get_pvid,
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.set_port_pvid = ar8xxx_sw_set_pvid,
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.get_vlan_ports = ar8xxx_sw_get_ports,
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.set_vlan_ports = ar8xxx_sw_set_ports,
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.get_vlan_ports = ar8216_sw_get_ports,
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.set_vlan_ports = ar8216_sw_set_ports,
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.apply_config = ar8xxx_sw_hw_apply,
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.reset_switch = ar8xxx_sw_reset_switch,
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.get_port_link = ar8xxx_sw_get_port_link,
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@ -2455,8 +2537,8 @@ static const struct switch_dev_ops ar8327_sw_ops = {
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},
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.get_port_pvid = ar8xxx_sw_get_pvid,
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.set_port_pvid = ar8xxx_sw_set_pvid,
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.get_vlan_ports = ar8xxx_sw_get_ports,
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.set_vlan_ports = ar8xxx_sw_set_ports,
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.get_vlan_ports = ar8327_sw_get_ports,
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.set_vlan_ports = ar8327_sw_set_ports,
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.apply_config = ar8xxx_sw_hw_apply,
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.reset_switch = ar8xxx_sw_reset_switch,
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.get_port_link = ar8xxx_sw_get_port_link,
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