diff options
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_nic.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 1b0938c87774..77e258a57d4c 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -918,6 +918,10 @@ static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu) struct nes_device *nesdev = nesvnic->nesdev; int ret = 0; u8 jumbomode = 0; + u32 nic_active; + u32 nic_active_bit; + u32 uc_all_active; + u32 mc_all_active; if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu)) return -EINVAL; @@ -931,8 +935,24 @@ static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu) nes_nic_init_timer_defaults(nesdev, jumbomode); if (netif_running(netdev)) { + nic_active_bit = 1 << nesvnic->nic_index; + mc_all_active = nes_read_indexed(nesdev, + NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit; + uc_all_active = nes_read_indexed(nesdev, + NES_IDX_NIC_UNICAST_ALL) & nic_active_bit; + nes_netdev_stop(netdev); nes_netdev_open(netdev); + + nic_active = nes_read_indexed(nesdev, + NES_IDX_NIC_MULTICAST_ALL); + nic_active |= mc_all_active; + nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, + nic_active); + + nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); + nic_active |= uc_all_active; + nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); } return ret; |