diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c index 90b4e1089ec..2d9451e3968 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -20,6 +20,7 @@ the file called "COPYING". Contact Information: + Linux NICS <linux.nics@intel.com> e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 @@ -498,6 +499,7 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) #ifdef IXGBE_FCOE u16 fcoe_i = 0; #endif + bool pools = (find_first_zero_bit(&adapter->fwd_bitmask, 32) > 1); /* only proceed if SR-IOV is enabled */ if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) @@ -510,7 +512,7 @@ static bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) vmdq_i = min_t(u16, IXGBE_MAX_VMDQ_INDICES, vmdq_i); /* 64 pool mode with 2 queues per pool */ - if ((vmdq_i > 32) || (rss_i < 4)) { + if ((vmdq_i > 32) || (rss_i < 4) || (vmdq_i > 16 && pools)) { vmdq_m = IXGBE_82599_VMDQ_2Q_MASK; rss_m = IXGBE_RSS_2Q_MASK; rss_i = min_t(u16, rss_i, 2); @@ -697,7 +699,7 @@ static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter) static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, int vectors) { - int err, vector_threshold; + int vector_threshold; /* We'll want at least 2 (vector_threshold): * 1) TxQ[0] + RxQ[0] handler @@ -711,18 +713,10 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, * Right now, we simply care about how many we'll get; we'll * set them up later while requesting irq's. */ - while (vectors >= vector_threshold) { - err = pci_enable_msix(adapter->pdev, adapter->msix_entries, - vectors); - if (!err) /* Success in acquiring all requested vectors. */ - break; - else if (err < 0) - vectors = 0; /* Nasty failure, quit now */ - else /* err == number of vectors we should try again with */ - vectors = err; - } + vectors = pci_enable_msix_range(adapter->pdev, adapter->msix_entries, + vector_threshold, vectors); - if (vectors < vector_threshold) { + if (vectors < 0) { /* Can't allocate enough MSI-X interrupts? Oh well. * This just means we'll go with either a single MSI * vector or fall back to legacy interrupts. @@ -852,7 +846,11 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter, /* apply Tx specific ring traits */ ring->count = adapter->tx_ring_count; - ring->queue_index = txr_idx; + if (adapter->num_rx_pools > 1) + ring->queue_index = + txr_idx % adapter->num_rx_queues_per_pool; + else + ring->queue_index = txr_idx; /* assign ring to adapter */ adapter->tx_ring[txr_idx] = ring; @@ -895,7 +893,11 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter, #endif /* IXGBE_FCOE */ /* apply Rx specific ring traits */ ring->count = adapter->rx_ring_count; - ring->queue_index = rxr_idx; + if (adapter->num_rx_pools > 1) + ring->queue_index = + rxr_idx % adapter->num_rx_queues_per_pool; + else + ring->queue_index = rxr_idx; /* assign ring to adapter */ adapter->rx_ring[rxr_idx] = ring; @@ -1111,8 +1113,8 @@ static void ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) err = pci_enable_msi(adapter->pdev); if (err) { netif_printk(adapter, hw, KERN_DEBUG, adapter->netdev, - "Unable to allocate MSI interrupt, " - "falling back to legacy. Error: %d\n", err); + "Unable to allocate MSI interrupt, falling back to legacy. Error: %d\n", + err); return; } adapter->flags |= IXGBE_FLAG_MSI_ENABLED; |