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authorMarcin Szycik <marcin.szycik@linux.intel.com>2021-10-26 17:56:24 +0200
committerTony Nguyen <anthony.l.nguyen@intel.com>2021-10-29 11:43:15 -0700
commitbfaaba99e680bf82bf2cbf69866c3f37434ff766 (patch)
tree60fcdf3853beb0e5d5e863d1311edf91ca78bd3b /drivers/net/ethernet/intel
parentc79bb28e19cca322b70a912ec17dd6482d24c7e9 (diff)
ice: Hide bus-info in ethtool for PRs in switchdev mode
Disable showing bus-info information for port representors in switchdev mode. This fixes a bug that caused displaying wrong netdev descriptions in lshw tool - one port representor displayed PF branding string, and in turn one PF displayed a "generic" description. The bug occurs when many devices show the same bus-info in ethtool, which was the case in switchdev mode (PF and its port representors displayed the same bus-info). The bug occurs only if a port representor netdev appears before PF netdev in /proc/net/dev. In the examples below: ens6fX is PF ens6fXvY is VF ethX is port representor One irrelevant column was removed from output Before: $ sudo lshw -c net -businfo Bus info Device Description ========================================= pci@0000:02:00.0 eth102 Ethernet Controller E810-XXV for SFP pci@0000:02:00.1 ens6f1 Ethernet Controller E810-XXV for SFP pci@0000:02:01.0 ens6f0v0 Ethernet Adaptive Virtual Function pci@0000:02:01.1 ens6f0v1 Ethernet Adaptive Virtual Function pci@0000:02:01.2 ens6f0v2 Ethernet Adaptive Virtual Function pci@0000:02:00.0 ens6f0 Ethernet interface Notice that eth102 and ens6f0 have the same bus-info and their descriptions are swapped. After: $ sudo lshw -c net -businfo Bus info Device Description ========================================= pci@0000:02:00.0 ens6f0 Ethernet Controller E810-XXV for SFP pci@0000:02:00.1 ens6f1 Ethernet Controller E810-XXV for SFP pci@0000:02:01.0 ens6f0v0 Ethernet Adaptive Virtual Function pci@0000:02:01.1 ens6f0v1 Ethernet Adaptive Virtual Function pci@0000:02:01.2 ens6f0v2 Ethernet Adaptive Virtual Function Fixes: 7aae80cef7ba ("ice: add port representor ethtool ops and stats") Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index cfe96a127ed4..572519e402f4 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -189,18 +189,19 @@ __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
nvm->eetrack, orom->major, orom->build, orom->patch);
-
- strscpy(drvinfo->bus_info, pci_name(pf->pdev),
- sizeof(drvinfo->bus_info));
}
static void
ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
__ice_get_drvinfo(netdev, drvinfo, np->vsi);
+ strscpy(drvinfo->bus_info, pci_name(pf->pdev),
+ sizeof(drvinfo->bus_info));
+
drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
}