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_hw.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_hw.c')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 9e891939fcf8..5278d62d5b57 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -618,6 +618,16 @@ static void xgene_gmac_init(struct xgene_enet_pdata *pdata) xgene_enet_wr_csr(pdata, CFG_BYPASS_ADDR, RESUME_TX); } +static void xgene_gmac_get_drop_cnt(struct xgene_enet_pdata *pdata, + u32 *rx, u32 *tx) +{ + u32 count; + + xgene_enet_rd_mcx_csr(pdata, ICM_ECM_DROP_COUNT_REG0_ADDR, &count); + *rx = ICM_DROP_COUNT(count); + *tx = ECM_DROP_COUNT(count); +} + static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *pdata) { u32 val = 0xffffffff; @@ -1027,6 +1037,7 @@ const struct xgene_mac_ops xgene_gmac_ops = { .tx_enable = xgene_gmac_tx_enable, .rx_disable = xgene_gmac_rx_disable, .tx_disable = xgene_gmac_tx_disable, + .get_drop_cnt = xgene_gmac_get_drop_cnt, .set_speed = xgene_gmac_set_speed, .set_mac_addr = xgene_gmac_set_mac_addr, .set_framesize = xgene_enet_set_frame_size, |