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-rw-r--r--drivers/net/sfc/net_driver.h4
-rw-r--r--drivers/net/sfc/siena.c4
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 40c0d931b182..6b2e4402ec57 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -649,6 +649,7 @@ union efx_multicast_hash {
* struct efx_nic - an Efx NIC
* @name: Device name (net device name or bus id before net device registered)
* @pci_dev: The PCI device
+ * @port_num: Index of this host port within the controller
* @type: Controller type attributes
* @legacy_irq: IRQ number
* @workqueue: Workqueue for port reconfigures and the HW monitor.
@@ -732,6 +733,7 @@ union efx_multicast_hash {
struct efx_nic {
char name[IFNAMSIZ];
struct pci_dev *pci_dev;
+ unsigned port_num;
const struct efx_nic_type *type;
int legacy_irq;
struct workqueue_struct *workqueue;
@@ -834,7 +836,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
static inline unsigned int efx_port_num(struct efx_nic *efx)
{
- return PCI_FUNC(efx->pci_dev->devfn);
+ return efx->port_num;
}
/**
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 727b4228e081..7ecd255a7cc0 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -206,6 +206,7 @@ static int siena_probe_nic(struct efx_nic *efx)
{
struct siena_nic_data *nic_data;
bool already_attached = 0;
+ efx_oword_t reg;
int rc;
/* Allocate storage for hardware specific data */
@@ -220,6 +221,9 @@ static int siena_probe_nic(struct efx_nic *efx)
goto fail1;
}
+ efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
+ efx->port_num = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
+
efx_mcdi_init(efx);
/* Recover from a failed assertion before probing */