On every adapter there will be one primary PF per adaptor and
one link control PF per port.
Signed-off-by: Shradha Shah <ss...@solarflare.com>
---
drivers/net/ethernet/sfc/ef10.c | 62 ++++++++++++++++++++++++++++++++++-------
1 file changed, 52 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index ee20d96..ebdf6ee 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -255,8 +255,34 @@ static ssize_t efx_ef10_show_physical_port(struct device
*dev,
return sprintf(buf, "%d\n", efx->port_num);
}
-static DEVICE_ATTR(physical_port, 0444, efx_ef10_show_physical_port,
+static ssize_t efx_ef10_show_link_control_flag(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+ return sprintf(buf, "%d\n",
+ ((efx->mcdi->fn_flags) &
+ (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL))
+ ? 1 : 0);
+}
+
+static ssize_t efx_ef10_show_primary_flag(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+ return sprintf(buf, "%d\n",
+ ((efx->mcdi->fn_flags) &
+ (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY))
+ ? 1 : 0);
+}
+
+static DEVICE_ATTR(physical_port, 0444, efx_ef10_show_physical_port, NULL);
+static DEVICE_ATTR(link_control_flag, 0444, efx_ef10_show_link_control_flag,
NULL);
+static DEVICE_ATTR(primary_flag, 0444, efx_ef10_show_primary_flag, NULL);
static int efx_ef10_probe(struct efx_nic *efx)
{
@@ -323,32 +349,41 @@ static int efx_ef10_probe(struct efx_nic *efx)
if (rc)
goto fail3;
- rc = efx_ef10_get_pf_index(efx);
+ rc = device_create_file(&efx->pci_dev->dev,
+ &dev_attr_link_control_flag);
if (rc)
goto fail3;
+ rc = device_create_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
+ if (rc)
+ goto fail4;
+
+ rc = efx_ef10_get_pf_index(efx);
+ if (rc)
+ goto fail5;
+
rc = efx_ef10_init_datapath_caps(efx);
if (rc < 0)
- goto fail3;
+ goto fail5;
efx->rx_packet_len_offset =
ES_DZ_RX_PREFIX_PKTLEN_OFST - ES_DZ_RX_PREFIX_SIZE;
rc = efx_mcdi_port_get_number(efx);
if (rc < 0)
- goto fail3;
+ goto fail5;
efx->port_num = rc;
rc = device_create_file(&efx->pci_dev->dev, &dev_attr_physical_port);
if (rc)
- goto fail3;
+ goto fail5;
rc = efx->type->get_mac_address(efx, efx->net_dev->perm_addr);
if (rc)
- goto fail4;
+ goto fail6;
rc = efx_ef10_get_sysclk_freq(efx);
if (rc < 0)
- goto fail4;
+ goto fail6;
efx->timer_quantum_ns = 1536000 / rc; /* 1536 cycles */
@@ -368,7 +403,7 @@ static int efx_ef10_probe(struct efx_nic *efx)
nic_data->workaround_35388 = enabled &
MC_CMD_GET_WORKAROUNDS_OUT_BUG35388;
} else if (rc != -ENOSYS && rc != -ENOENT) {
- goto fail4;
+ goto fail6;
}
netif_dbg(efx, probe, efx->net_dev,
@@ -377,14 +412,18 @@ static int efx_ef10_probe(struct efx_nic *efx)
rc = efx_mcdi_mon_probe(efx);
if (rc && rc != -EPERM)
- goto fail4;
+ goto fail6;
efx_ptp_probe(efx, NULL);
return 0;
-fail4:
+fail6:
device_remove_file(&efx->pci_dev->dev, &dev_attr_physical_port);
+fail5:
+ device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
+fail4:
+ device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag);
fail3:
efx_mcdi_fini(efx);
fail2:
@@ -629,6 +668,9 @@ static void efx_ef10_remove(struct efx_nic *efx)
device_remove_file(&efx->pci_dev->dev, &dev_attr_physical_port);
+ device_remove_file(&efx->pci_dev->dev, &dev_attr_primary_flag);
+ device_remove_file(&efx->pci_dev->dev, &dev_attr_link_control_flag);
+
efx_mcdi_fini(efx);
efx_nic_free_buffer(efx, &nic_data->mcdi_buf);
kfree(nic_data);
--
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