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sfc: Add sysfs entry for flags (link control and primary)

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On  every adapter there will be one primary PF per adaptor and
one link control PF per port.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shradha Shah 2015-06-02 11:37:58 +01:00 committed by David S. Miller
parent c9012e002b
commit 0f5c084588
1 changed files with 51 additions and 7 deletions
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58
drivers/net/ethernet/sfc/ef10.c
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@ -246,6 +246,34 @@ static int efx_ef10_get_mac_address_vf(struct efx_nic *efx, u8 *mac_address)
return 0;
}
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(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)
{
struct efx_ef10_nic_data *nic_data;
@ -315,30 +343,39 @@ 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;
net_dev->dev_port = rc;
rc = efx->type->get_mac_address(efx, efx->net_dev->perm_addr);
if (rc)
goto fail3;
goto fail5;
rc = efx_ef10_get_sysclk_freq(efx);
if (rc < 0)
goto fail3;
goto fail5;
efx->timer_quantum_ns = 1536000 / rc; /* 1536 cycles */
/* Check whether firmware supports bug 35388 workaround.
@ -357,7 +394,7 @@ 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 fail3;
goto fail5;
}
netif_dbg(efx, probe, efx->net_dev,
"workaround for bug 35388 is %sabled\n",
@ -365,12 +402,16 @@ static int efx_ef10_probe(struct efx_nic *efx)
rc = efx_mcdi_mon_probe(efx);
if (rc && rc != -EPERM)
goto fail3;
goto fail5;
efx_ptp_probe(efx, NULL);
return 0;
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:
@ -613,6 +654,9 @@ static void efx_ef10_remove(struct efx_nic *efx)
if (!nic_data->must_restore_piobufs)
efx_ef10_free_piobufs(efx);
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);