diff options
| author | Vasundhara Volam <vasundhara.volam@emulex.com> | 2014-09-02 09:56:50 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-02 12:46:00 -0700 |
| commit | d3de154071c14549c4b99d06a063bf3761e482c3 (patch) | |
| tree | 24c384126970f6bc7fea431f48d49f81338672b6 /drivers/net | |
| parent | 512bb8a244d2854953c65c0b36b0d0812fced7d5 (diff) | |
be2net: Add a dma_mapping_error counter in ethtool
Add a dma_mapping_error counter to count the number of packets dropped
due to DMA mapping errors.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_ethtool.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 3 |
3 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index d491ac614dcf..069bdda00c55 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -323,6 +323,7 @@ struct be_rx_obj { struct be_drv_stats { u32 be_on_die_temperature; u32 eth_red_drops; + u32 dma_map_errors; u32 rx_drops_no_pbuf; u32 rx_drops_no_txpb; u32 rx_drops_no_erx_descr; diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index 3a7ade4b313a..2fd38261bedb 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -119,6 +119,8 @@ static const struct be_ethtool_stat et_stats[] = { * is more than 9018 bytes */ {DRVSTAT_INFO(rx_drops_mtu)}, + /* Number of dma mapping errors */ + {DRVSTAT_INFO(dma_map_errors)}, /* Number of packets dropped due to random early drop function */ {DRVSTAT_INFO(eth_red_drops)}, {DRVSTAT_INFO(be_on_die_temperature)}, diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7b6dbf880a66..6c2eb6978601 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -849,6 +849,7 @@ dma_err: unmap_tx_frag(dev, wrb, map_single); map_single = false; copied -= wrb->frag_len; + adapter->drv_stats.dma_map_errors++; queue_head_inc(txq); } return 0; @@ -1877,7 +1878,7 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) if (dma_mapping_error(dev, page_dmaaddr)) { put_page(pagep); pagep = NULL; - rx_stats(rxo)->rx_post_fail++; + adapter->drv_stats.dma_map_errors++; break; } page_offset = 0; |