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authorAmit Kumar Salecha <amit.salecha@qlogic.com>2010-04-22 02:51:35 +0000
committerDavid S. Miller <davem@davemloft.net>2010-04-22 15:28:26 -0700
commit8ae6df978b986a5ce099e7e7118f127563d2cbbe (patch)
tree3caffdbc168440397c2d20a0627c0254188b6bbf /drivers/net/qlcnic/qlcnic_init.c
parente802af9cabb011f09b9c19a82faef3dd315f27eb (diff)
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qlcnic: additional driver statistics
Added additional driver statistics to track errors in rcv/tx path. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_init.c')
-rw-r--r--drivers/net/qlcnic/qlcnic_init.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 01ce74ee99f9..9ef9f58f84dd 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--) {