[Intel-wired-lan] [net-next 21/25] fm10k: update xcast mode before synchronizing multicast addresses
Jeff Kirsher
jeffrey.t.kirsher at intel.com
Fri Apr 3 20:27:11 UTC 2015
When the PF receives a request to update a multicast address for the VF,
it checks the enabled multicast mode first. Fix a bug where the VF tried
to set a multicast address before requesting the required xcast mode.
This ensures the multicast addresses are honored as long as the xcast
mode was allowed.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher at intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
Acked-by: Matthew Vick <matthew.vick at intel.com>
---
drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index c9f87bb..7f5c36a 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -966,14 +966,7 @@ static void fm10k_set_rx_mode(struct net_device *dev)
fm10k_mbx_lock(interface);
- /* synchronize all of the addresses */
- if (xcast_mode != FM10K_XCAST_MODE_PROMISC) {
- __dev_uc_sync(dev, fm10k_uc_sync, fm10k_uc_unsync);
- if (xcast_mode != FM10K_XCAST_MODE_ALLMULTI)
- __dev_mc_sync(dev, fm10k_mc_sync, fm10k_mc_unsync);
- }
-
- /* if we aren't changing modes there is nothing to do */
+ /* update xcast mode first, but only if it changed */
if (interface->xcast_mode != xcast_mode) {
/* update VLAN table */
if (xcast_mode == FM10K_XCAST_MODE_PROMISC)
@@ -988,6 +981,13 @@ static void fm10k_set_rx_mode(struct net_device *dev)
interface->xcast_mode = xcast_mode;
}
+ /* synchronize all of the addresses */
+ if (xcast_mode != FM10K_XCAST_MODE_PROMISC) {
+ __dev_uc_sync(dev, fm10k_uc_sync, fm10k_uc_unsync);
+ if (xcast_mode != FM10K_XCAST_MODE_ALLMULTI)
+ __dev_mc_sync(dev, fm10k_mc_sync, fm10k_mc_unsync);
+ }
+
fm10k_mbx_unlock(interface);
}
@@ -1047,6 +1047,9 @@ void fm10k_restore_rx_state(struct fm10k_intfc *interface)
vid, true, 0);
}
+ /* update xcast mode before syncronizing addresses */
+ hw->mac.ops.update_xcast_mode(hw, glort, xcast_mode);
+
/* synchronize all of the addresses */
if (xcast_mode != FM10K_XCAST_MODE_PROMISC) {
__dev_uc_sync(netdev, fm10k_uc_sync, fm10k_uc_unsync);
@@ -1054,9 +1057,6 @@ void fm10k_restore_rx_state(struct fm10k_intfc *interface)
__dev_mc_sync(netdev, fm10k_mc_sync, fm10k_mc_unsync);
}
- /* update xcast mode */
- hw->mac.ops.update_xcast_mode(hw, glort, xcast_mode);
-
fm10k_mbx_unlock(interface);
/* record updated xcast mode state */
--
1.9.3
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