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realtek: initialize port masks to match the default state

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All ports are disabled by default, so configure the port isolation masks
and the pm field accordingly in the setup function. When port_enable is
called for a port, the isolation masks will be set up so that traffic
can flow between the port and the CPU.

While at it, change the code to also use the traffic_set method in
rtl83xx_setup, instead of writing to the RTL838x_PORT_ISO_CTRL(i)
registers directly.

Signed-off-by: Jan Hoffmann <jan@3e8.eu>
This commit is contained in:
Jan Hoffmann 2023-05-06 19:28:53 +02:00 committed by Sander Vanheule
parent 3af984e46e
commit 4c0a1667f3
2 changed files with 22 additions and 24 deletions
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23
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
View File

@ -176,7 +176,6 @@ static int rtl83xx_setup(struct dsa_switch *ds)
{
int i;
struct rtl838x_switch_priv *priv = ds->priv;
u64 port_bitmap = BIT_ULL(priv->cpu_port);
pr_debug("%s called\n", __func__);
@ -187,18 +186,16 @@ static int rtl83xx_setup(struct dsa_switch *ds)
priv->ports[i].enable = false;
priv->ports[priv->cpu_port].enable = true;
/* Isolate ports from each other: traffic only CPU <-> port */
/* Setting bit j in register RTL838X_PORT_ISO_CTRL(i) allows
* traffic from source port i to destination port j
/* Configure ports so they are disabled by default, but once enabled
* they will work in isolated mode (only traffic between port and CPU).
*/
for (i = 0; i < priv->cpu_port; i++) {
if (priv->ports[i].phy) {
priv->r->set_port_reg_be(BIT_ULL(priv->cpu_port) | BIT_ULL(i),
priv->r->port_iso_ctrl(i));
port_bitmap |= BIT_ULL(i);
priv->ports[i].pm = BIT_ULL(priv->cpu_port);
priv->r->traffic_set(i, BIT_ULL(i));
}
}
priv->r->set_port_reg_be(port_bitmap, priv->r->port_iso_ctrl(priv->cpu_port));
priv->r->traffic_set(priv->cpu_port, BIT_ULL(priv->cpu_port));
if (priv->family_id == RTL8380_FAMILY_ID)
rtl838x_print_matrix();
@ -240,7 +237,6 @@ static int rtl93xx_setup(struct dsa_switch *ds)
{
int i;
struct rtl838x_switch_priv *priv = ds->priv;
u32 port_bitmap = BIT(priv->cpu_port);
pr_info("%s called\n", __func__);
@ -258,13 +254,16 @@ static int rtl93xx_setup(struct dsa_switch *ds)
priv->ports[i].enable = false;
priv->ports[priv->cpu_port].enable = true;
/* Configure ports so they are disabled by default, but once enabled
* they will work in isolated mode (only traffic between port and CPU).
*/
for (i = 0; i < priv->cpu_port; i++) {
if (priv->ports[i].phy) {
priv->r->traffic_set(i, BIT_ULL(priv->cpu_port) | BIT_ULL(i));
port_bitmap |= BIT_ULL(i);
priv->ports[i].pm = BIT_ULL(priv->cpu_port);
priv->r->traffic_set(i, BIT_ULL(i));
}
}
priv->r->traffic_set(priv->cpu_port, port_bitmap);
priv->r->traffic_set(priv->cpu_port, BIT_ULL(priv->cpu_port));
rtl930x_print_matrix();

23
target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
View File

@ -167,7 +167,6 @@ static void rtl83xx_port_set_salrn(struct rtl838x_switch_priv *priv,
static int rtl83xx_setup(struct dsa_switch *ds)
{
struct rtl838x_switch_priv *priv = ds->priv;
u64 port_bitmap = BIT_ULL(priv->cpu_port);
pr_debug("%s called\n", __func__);
@ -178,18 +177,16 @@ static int rtl83xx_setup(struct dsa_switch *ds)
priv->ports[i].enable = false;
priv->ports[priv->cpu_port].enable = true;
/* Isolate ports from each other: traffic only CPU <-> port */
/* Setting bit j in register RTL838X_PORT_ISO_CTRL(i) allows
* traffic from source port i to destination port j
/* Configure ports so they are disabled by default, but once enabled
* they will work in isolated mode (only traffic between port and CPU).
*/
for (int i = 0; i < priv->cpu_port; i++) {
if (priv->ports[i].phy) {
priv->r->set_port_reg_be(BIT_ULL(priv->cpu_port) | BIT_ULL(i),
priv->r->port_iso_ctrl(i));
port_bitmap |= BIT_ULL(i);
priv->ports[i].pm = BIT_ULL(priv->cpu_port);
priv->r->traffic_set(i, BIT_ULL(i));
}
}
priv->r->set_port_reg_be(port_bitmap, priv->r->port_iso_ctrl(priv->cpu_port));
priv->r->traffic_set(priv->cpu_port, BIT_ULL(priv->cpu_port));
if (priv->family_id == RTL8380_FAMILY_ID)
rtl838x_print_matrix();
@ -229,7 +226,6 @@ static int rtl83xx_setup(struct dsa_switch *ds)
static int rtl93xx_setup(struct dsa_switch *ds)
{
struct rtl838x_switch_priv *priv = ds->priv;
u32 port_bitmap = BIT(priv->cpu_port);
pr_info("%s called\n", __func__);
@ -247,13 +243,16 @@ static int rtl93xx_setup(struct dsa_switch *ds)
priv->ports[i].enable = false;
priv->ports[priv->cpu_port].enable = true;
/* Configure ports so they are disabled by default, but once enabled
* they will work in isolated mode (only traffic between port and CPU).
*/
for (int i = 0; i < priv->cpu_port; i++) {
if (priv->ports[i].phy) {
priv->r->traffic_set(i, BIT_ULL(priv->cpu_port) | BIT_ULL(i));
port_bitmap |= BIT_ULL(i);
priv->ports[i].pm = BIT_ULL(priv->cpu_port);
priv->r->traffic_set(i, BIT_ULL(i));
}
}
priv->r->traffic_set(priv->cpu_port, port_bitmap);
priv->r->traffic_set(priv->cpu_port, BIT_ULL(priv->cpu_port));
rtl930x_print_matrix();