diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_init.c')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_init.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index 01ce74ee99f..1b621ca13e2 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -1287,6 +1287,7 @@ qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, rds_ring->dma_size, PCI_DMA_FROMDEVICE); if (pci_dma_mapping_error(pdev, dma)) { + adapter->stats.rx_dma_map_error++; dev_kfree_skb_any(skb); buffer->skb = NULL; return -ENOMEM; @@ -1311,8 +1312,10 @@ static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, PCI_DMA_FROMDEVICE); skb = buffer->skb; - if (!skb) + if (!skb) { + adapter->stats.null_skb++; goto no_skb; + } if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) { adapter->stats.csummed++; @@ -1502,6 +1505,8 @@ qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max) if (rxbuf) list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]); + else + adapter->stats.null_rxbuf++; skip: for (; desc_cnt > 0; desc_cnt--) { @@ -1549,9 +1554,10 @@ qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid, int producer, count = 0; struct list_head *head; + spin_lock(&rds_ring->lock); + producer = rds_ring->producer; - spin_lock(&rds_ring->lock); head = &rds_ring->free_list; while (!list_empty(head)) { @@ -1573,13 +1579,13 @@ qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter, u32 ringid, producer = get_next_index(producer, rds_ring->num_desc); } - spin_unlock(&rds_ring->lock); if (count) { rds_ring->producer = producer; writel((producer-1) & (rds_ring->num_desc-1), rds_ring->crb_rcv_producer); } + spin_unlock(&rds_ring->lock); } static void @@ -1591,10 +1597,11 @@ qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter, int producer, count = 0; struct list_head *head; - producer = rds_ring->producer; if (!spin_trylock(&rds_ring->lock)) return; + producer = rds_ring->producer; + head = &rds_ring->free_list; while (!list_empty(head)) { |