diff options
| author |   Iyappan Subramanian <isubramanian@apm.com> | 2017-05-10 13:45:06 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-05-16 11:41:10 -0400 |
| commit | ca6d550c5dbe66e9e26eb52b7b1713b801f86c4f (patch) | |
| tree | 07365ce7ea2f450119cf61d8da335a422e53c1f1 /drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c | |
| parent | drivers: net: xgene: Extend ethtool statistics (diff) | |
| download | linux-dev-ca6d550c5dbe66e9e26eb52b7b1713b801f86c4f.tar.xz linux-dev-ca6d550c5dbe66e9e26eb52b7b1713b801f86c4f.zip | |
drivers: net: xgene: Add rx_overrun/tx_underrun statistics
This patch adds rx_overrun and tx_underrun ethtool statistic counters.
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c index a7eed3b83912..6b2a4b917c10 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c @@ -71,6 +71,7 @@ static const struct xgene_gstrings_stats gstrings_extd_stats[] = { XGENE_EXTD_STAT(rx_fragments_cntr, RFRG, 16), XGENE_EXTD_STAT(rx_jabber_cntr, RJBR, 16), XGENE_EXTD_STAT(rx_dropped_pkt_cntr, RDRP, 16), + XGENE_EXTD_STAT(rx_overrun_cntr, DUMP, 0), XGENE_EXTD_STAT(tx_multicast_pkt_cntr, TMCA, 31), XGENE_EXTD_STAT(tx_broadcast_pkt_cntr, TBCA, 31), XGENE_EXTD_STAT(tx_pause_ctrl_frame_cntr, TXPF, 16), @@ -88,11 +89,14 @@ static const struct xgene_gstrings_stats gstrings_extd_stats[] = { XGENE_EXTD_STAT(tx_ctrl_frame_cntr, TXCF, 12), XGENE_EXTD_STAT(tx_oversize_frame_cntr, TOVR, 12), XGENE_EXTD_STAT(tx_undersize_frame_cntr, TUND, 12), - XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12) + XGENE_EXTD_STAT(tx_fragments_cntr, TFRG, 12), + XGENE_EXTD_STAT(tx_underrun_cntr, DUMP, 0) }; #define XGENE_STATS_LEN ARRAY_SIZE(gstrings_stats) #define XGENE_EXTD_STATS_LEN ARRAY_SIZE(gstrings_extd_stats) +#define RX_OVERRUN_IDX 22 +#define TX_UNDERRUN_IDX 41 static void xgene_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) @@ -211,14 +215,20 @@ static int xgene_get_sset_count(struct net_device *ndev, int sset) static void xgene_get_extd_stats(struct xgene_enet_pdata *pdata) { + u32 rx_drop, tx_drop; u32 tmp; int i; for (i = 0; i < XGENE_EXTD_STATS_LEN; i++) { tmp = xgene_enet_rd_stat(pdata, gstrings_extd_stats[i].addr); - pdata->extd_stats[i] += tmp & - GENMASK(gstrings_extd_stats[i].mask - 1, 0); + if (gstrings_extd_stats[i].mask) + pdata->extd_stats[i] += tmp & + GENMASK(gstrings_extd_stats[i].mask - 1, 0); } + + pdata->mac_ops->get_drop_cnt(pdata, &rx_drop, &tx_drop); + pdata->extd_stats[RX_OVERRUN_IDX] += rx_drop; + pdata->extd_stats[TX_UNDERRUN_IDX] += tx_drop; } int xgene_extd_stats_init(struct xgene_enet_pdata *pdata) |