+static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int xcast_mode = msgbuf[1];
+ u32 vmolr, disable, enable;
+
+ /* verify the PF is supporting the correct APIs */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_12:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
+ !adapter->vfinfo[vf].trusted) {
+ xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
+ }
+
+ if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
+ goto out;
+
+ switch (xcast_mode) {
+ case IXGBEVF_XCAST_MODE_NONE:
+ disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
+ enable = 0;
+ break;
+ case IXGBEVF_XCAST_MODE_MULTI:
+ disable = IXGBE_VMOLR_MPE;
+ enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
+ break;
+ case IXGBEVF_XCAST_MODE_ALLMULTI:
+ disable = 0;
+ enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+ vmolr &= ~disable;
+ vmolr |= enable;
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+ adapter->vfinfo[vf].xcast_mode = xcast_mode;
+
+out:
+ msgbuf[1] = xcast_mode;
+
+ return 0;
+}
+