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net: lan966x: Add support for offloading default prio

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Add support for offloading default prio.

Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Horatiu Vultur
2023-05-16 22:14:06 +02:00
committed by Paolo Abeni
parent 0c88d98108
commit f8ba50ea13
3 changed files with 34 additions and 0 deletions
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12
drivers/net/ethernet/microchip/lan966x/lan966x_dcb.c
View File

@@ -64,6 +64,11 @@ static void lan966x_dcb_app_update(struct net_device *dev)
qos.dscp.map[i] = dcb_getapp(dev, &app_itr);
}
/* Get default prio */
qos.default_prio = dcb_ieee_getapp_default_prio_mask(dev);
if (qos.default_prio)
qos.default_prio = fls(qos.default_prio) - 1;
/* Enable use of pcp for queue classification */
if (lan966x_dcb_apptrust_contains(port->chip_port, DCB_APP_SEL_PCP))
qos.pcp.enable = true;
@@ -106,6 +111,13 @@ static int lan966x_dcb_app_validate(struct net_device *dev,
int err = 0;
switch (app->selector) {
/* Default priority checks */
case IEEE_8021QAZ_APP_SEL_ETHERTYPE:
if (app->protocol)
err = -EINVAL;
else if (app->priority >= NUM_PRIO_QUEUES)
err = -ERANGE;
break;
/* Dscp checks */
case IEEE_8021QAZ_APP_SEL_DSCP:
if (app->protocol >= LAN966X_PORT_QOS_DSCP_COUNT)

1
drivers/net/ethernet/microchip/lan966x/lan966x_main.h
View File

@@ -412,6 +412,7 @@ struct lan966x_port_qos_dscp {
struct lan966x_port_qos {
struct lan966x_port_qos_pcp pcp;
struct lan966x_port_qos_dscp dscp;
u8 default_prio;
};
struct lan966x_port {

21
drivers/net/ethernet/microchip/lan966x/lan966x_port.c
View File

@@ -443,11 +443,32 @@ static void lan966x_port_qos_dscp_set(struct lan966x_port *port,
lan966x, ANA_DSCP_CFG(i));
}
static int lan966x_port_qos_default_set(struct lan966x_port *port,
struct lan966x_port_qos *qos)
{
/* Set default prio and dp level */
lan_rmw(ANA_QOS_CFG_DP_DEFAULT_VAL_SET(0) |
ANA_QOS_CFG_QOS_DEFAULT_VAL_SET(qos->default_prio),
ANA_QOS_CFG_DP_DEFAULT_VAL |
ANA_QOS_CFG_QOS_DEFAULT_VAL,
port->lan966x, ANA_QOS_CFG(port->chip_port));
/* Set default pcp and dei for untagged frames */
lan_rmw(ANA_VLAN_CFG_VLAN_DEI_SET(0) |
ANA_VLAN_CFG_VLAN_PCP_SET(0),
ANA_VLAN_CFG_VLAN_DEI |
ANA_VLAN_CFG_VLAN_PCP,
port->lan966x, ANA_VLAN_CFG(port->chip_port));
return 0;
}
void lan966x_port_qos_set(struct lan966x_port *port,
struct lan966x_port_qos *qos)
{
lan966x_port_qos_pcp_set(port, &qos->pcp);
lan966x_port_qos_dscp_set(port, &qos->dscp);
lan966x_port_qos_default_set(port, qos);
}
void lan966x_port_init(struct lan966x_port *port)