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Subject[PATCH v2 2/2] drivers: net: dsa: qca8k: add support for multiple cpu port
Date
qca8k 83xx switch have 2 cpu ports. Rework the driver to support
multiple cpu port. All ports can access both cpu ports by default as
they support the same features.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
drivers/net/dsa/qca8k.c | 18 +++++++++---------
drivers/net/dsa/qca8k.h | 2 --
2 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index cdaf9f85a2cb..942d2a75f709 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -724,11 +724,6 @@ qca8k_setup(struct dsa_switch *ds)
/* Enable MIB counters */
qca8k_mib_init(priv);

- /* Enable QCA header mode on the cpu port */
- qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(QCA8K_CPU_PORT),
- QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_TX_S |
- QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_RX_S);
-
/* Disable forwarding by default on all ports */
for (i = 0; i < QCA8K_NUM_PORTS; i++)
qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
@@ -749,7 +744,12 @@ qca8k_setup(struct dsa_switch *ds)
for (i = 0; i < QCA8K_NUM_PORTS; i++) {
/* CPU port gets connected to all user ports of the switch */
if (dsa_is_cpu_port(ds, i)) {
- qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(QCA8K_CPU_PORT),
+ /* Enable QCA header mode on the cpu port */
+ qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(i),
+ QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_TX_S |
+ QCA8K_PORT_HDR_CTRL_ALL << QCA8K_PORT_HDR_CTRL_RX_S);
+
+ qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
}

@@ -759,7 +759,7 @@ qca8k_setup(struct dsa_switch *ds)

qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
QCA8K_PORT_LOOKUP_MEMBER,
- BIT(QCA8K_CPU_PORT));
+ dsa_cpu_ports(ds));

/* Enable ARP Auto-learning by default */
qca8k_reg_set(priv, QCA8K_PORT_LOOKUP_CTRL(i),
@@ -1140,7 +1140,7 @@ static int
qca8k_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *br)
{
struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
- int port_mask = BIT(QCA8K_CPU_PORT);
+ int port_mask = dsa_cpu_ports(ds);
int i;

for (i = 1; i < QCA8K_NUM_PORTS; i++) {
@@ -1183,7 +1183,7 @@ qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
* this port
*/
qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_MEMBER, BIT(QCA8K_CPU_PORT));
+ QCA8K_PORT_LOOKUP_MEMBER, dsa_cpu_ports(ds));
}

static int
diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
index 7ca4b93e0bb5..17bc643231c3 100644
--- a/drivers/net/dsa/qca8k.h
+++ b/drivers/net/dsa/qca8k.h
@@ -20,8 +20,6 @@

#define QCA8K_NUM_FDB_RECORDS 2048

-#define QCA8K_CPU_PORT 0
-
#define QCA8K_PORT_VID_DEF 1

/* Global control registers */
--
2.30.2
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