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authorBhanu Prakash Gollapudi <bprakash@broadcom.com>2012-12-21 19:40:32 -0800
committerJames Bottomley <JBottomley@Parallels.com>2013-01-30 10:48:48 +1100
commitf246fe2a56b3286d0675aba5ebc79ec3b98117f6 (patch)
tree87651ed3f79d359f93e074cb0a6473bb34f120a9 /drivers/scsi/bnx2fc/bnx2fc_fcoe.c
parente7f4fed5fa96d3da12c3e1c8ed9f536235eec3b5 (diff)
downloadtalos-op-linux-f246fe2a56b3286d0675aba5ebc79ec3b98117f6.tar.gz
talos-op-linux-f246fe2a56b3286d0675aba5ebc79ec3b98117f6.zip
[SCSI] bnx2fc: Tx/Rx byte counts reset to 0 when exceeding 32 bit values
Since the FW counters are 32-bit, accumulate the stats in the driver. [jejb: fix checkpatch warning] Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_fcoe.c')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 70ecd953a579..a2ffa9bf0ce9 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -687,11 +687,16 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
return bnx2fc_stats;
}
- bnx2fc_stats->invalid_crc_count += fw_stats->rx_stat2.fc_crc_cnt;
- bnx2fc_stats->tx_frames += fw_stats->tx_stat.fcoe_tx_pkt_cnt;
- bnx2fc_stats->tx_words += (fw_stats->tx_stat.fcoe_tx_byte_cnt) / 4;
- bnx2fc_stats->rx_frames += fw_stats->rx_stat0.fcoe_rx_pkt_cnt;
- bnx2fc_stats->rx_words += (fw_stats->rx_stat0.fcoe_rx_byte_cnt) / 4;
+ BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt);
+ bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt;
+ BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt);
+ bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt;
+ BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt);
+ bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4);
+ BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt);
+ bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt;
+ BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt);
+ bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4);
bnx2fc_stats->dumped_frames = 0;
bnx2fc_stats->lip_count = 0;
@@ -700,6 +705,8 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
bnx2fc_stats->loss_of_signal_count = 0;
bnx2fc_stats->prim_seq_protocol_err_count = 0;
+ memcpy(&hba->prev_stats, hba->stats_buffer,
+ sizeof(struct fcoe_statistics_params));
return bnx2fc_stats;
}
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