diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index cea37e0837ff..c9cb9c444442 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -630,9 +630,6 @@ static void igb_cache_ring_register(struct igb_adapter *adapter) for (; i < adapter->rss_queues; i++) adapter->rx_ring[i]->reg_idx = rbase_offset + Q_IDX_82576(i); - for (; j < adapter->rss_queues; j++) - adapter->tx_ring[j]->reg_idx = rbase_offset + - Q_IDX_82576(j); } case e1000_82575: case e1000_82580: @@ -996,7 +993,10 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter) /* Number of supported queues. */ adapter->num_rx_queues = adapter->rss_queues; - adapter->num_tx_queues = adapter->rss_queues; + if (adapter->vfs_allocated_count) + adapter->num_tx_queues = 1; + else + adapter->num_tx_queues = adapter->rss_queues; /* start with one vector for every rx queue */ numvecs = adapter->num_rx_queues; @@ -5344,6 +5344,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) while ((eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)) && (count < tx_ring->count)) { + rmb(); /* read buffer_info after eop_desc status */ for (cleaned = false; !cleaned; count++) { tx_desc = E1000_TX_DESC_ADV(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; @@ -5549,6 +5550,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, if (*work_done >= budget) break; (*work_done)++; + rmb(); /* read descriptor and rx_buffer_info after status DD */ skb = buffer_info->skb; prefetch(skb->data - NET_IP_ALIGN); |