pdev, 0);
                mtu = pdev->mtu;
                tx_chan = cxgb4_port_chan(pdev);
-               smac_idx = tx_chan << 1;
+               smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1;
                step = dev->rdev.lldi.ntxq / dev->rdev.lldi.nchan;
                txq_idx = cxgb4_port_idx(pdev) * step;
                step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan;
                                        dst->neighbour->dev, 0);
                mtu = dst_mtu(dst);
                tx_chan = cxgb4_port_chan(dst->neighbour->dev);
-               smac_idx = tx_chan << 1;
+               smac_idx = (cxgb4_port_viid(dst->neighbour->dev) & 0x7F) << 1;
                step = dev->rdev.lldi.ntxq / dev->rdev.lldi.nchan;
                txq_idx = cxgb4_port_idx(dst->neighbour->dev) * step;
                step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan;
                                        pdev, 0);
                ep->mtu = pdev->mtu;
                ep->tx_chan = cxgb4_port_chan(pdev);
-               ep->smac_idx = ep->tx_chan << 1;
+               ep->smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1;
                step = ep->com.dev->rdev.lldi.ntxq /
                       ep->com.dev->rdev.lldi.nchan;
                ep->txq_idx = cxgb4_port_idx(pdev) * step;
                                        ep->dst->neighbour->dev, 0);
                ep->mtu = dst_mtu(ep->dst);
                ep->tx_chan = cxgb4_port_chan(ep->dst->neighbour->dev);
-               ep->smac_idx = ep->tx_chan << 1;
+               ep->smac_idx = (cxgb4_port_viid(ep->dst->neighbour->dev) &
+                               0x7F) << 1;
                step = ep->com.dev->rdev.lldi.ntxq /
                       ep->com.dev->rdev.lldi.nchan;
                ep->txq_idx = cxgb4_port_idx(ep->dst->neighbour->dev) * step;