diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index c35e13c01dbe..95dbf60c8169 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1433,6 +1433,21 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter) q_vector->eitr = adapter->rx_eitr_param; ixgbe_write_eitr(q_vector); + /* If Flow Director is enabled, set interrupt affinity */ + if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || + (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) { + /* + * Allocate the affinity_hint cpumask, assign the mask + * for this vector, and set our affinity_hint for + * this irq. + */ + if (!alloc_cpumask_var(&q_vector->affinity_mask, + GFP_KERNEL)) + return; + cpumask_set_cpu(v_idx, q_vector->affinity_mask); + irq_set_affinity_hint(adapter->msix_entries[v_idx].vector, + q_vector->affinity_mask); + } } if (adapter->hw.mac.type == ixgbe_mac_82598EB) @@ -3816,6 +3831,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter) u32 rxctrl; u32 txdctl; int i, j; + int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS; /* signal that we are down to the interrupt handler */ set_bit(__IXGBE_DOWN, &adapter->state); @@ -3854,6 +3870,15 @@ void ixgbe_down(struct ixgbe_adapter *adapter) ixgbe_napi_disable_all(adapter); + /* Cleanup the affinity_hint CPU mask memory and callback */ + for (i = 0; i < num_q_vectors; i++) { + struct ixgbe_q_vector *q_vector = adapter->q_vector[i]; + /* clear the affinity_mask in the IRQ descriptor */ + irq_set_affinity_hint(adapter->msix_entries[i]. vector, NULL); + /* release the CPU mask memory */ + free_cpumask_var(q_vector->affinity_mask); + } + if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) cancel_work_sync(&adapter->fdir_reinit_task); |
