diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c index 29a2a8528073..17ecbcedd548 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -1065,11 +1065,27 @@ static void ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) return; } - adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; + /* disable DCB if number of TCs exceeds 1 */ + if (netdev_get_num_tc(adapter->netdev) > 1) { + e_err(probe, "num TCs exceeds number of queues - disabling DCB\n"); + netdev_reset_tc(adapter->netdev); + if (adapter->hw.mac.type == ixgbe_mac_82598EB) + adapter->hw.fc.requested_mode = adapter->last_lfc_mode; + + adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; + adapter->temp_dcb_cfg.pfc_mode_enable = false; + adapter->dcb_cfg.pfc_mode_enable = false; + } + adapter->dcb_cfg.num_tcs.pg_tcs = 1; + adapter->dcb_cfg.num_tcs.pfc_tcs = 1; + + /* disable SR-IOV */ ixgbe_disable_sriov(adapter); + /* disable RSS */ adapter->ring_feature[RING_F_RSS].limit = 1; + ixgbe_set_num_queues(adapter); adapter->num_q_vectors = 1; |