diff options
| author | Ganesh Goudar <ganeshgr@chelsio.com> | 2017-01-13 14:46:40 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-13 23:35:36 -0500 |
| commit | f750e82e7fcba219a0b401d75a58d9fbd956744c (patch) | |
| tree | 370d81942d9f0e7bc88ec519653c772d76fccb89 /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
| parent | 4b89aa3c16f9e59fafea6d87b68b9585a7a63589 (diff) | |
| download | linux-rt-f750e82e7fcba219a0b401d75a58d9fbd956744c.tar.gz | |
cxgb4: Fix misleading packet/frame count stats.
Do not count pause frames as part of general TX/RX frame
counters.
Based on the original work of Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index f113015074b1..ac712acf256d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -5501,6 +5501,7 @@ void t4_get_port_stats_offset(struct adapter *adap, int idx, void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) { u32 bgmap = t4_get_mps_bg_map(adap, idx); + u32 stat_ctl = t4_read_reg(adap, MPS_STAT_CTL_A); #define GET_STAT(name) \ t4_read_reg64(adap, \ @@ -5532,6 +5533,14 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) p->tx_ppp6 = GET_STAT(TX_PORT_PPP6); p->tx_ppp7 = GET_STAT(TX_PORT_PPP7); + if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) { + if (stat_ctl & COUNTPAUSESTATTX_F) { + p->tx_frames -= p->tx_pause; + p->tx_octets -= p->tx_pause * 64; + } + if (stat_ctl & COUNTPAUSEMCTX_F) + p->tx_mcast_frames -= p->tx_pause; + } p->rx_octets = GET_STAT(RX_PORT_BYTES); p->rx_frames = GET_STAT(RX_PORT_FRAMES); p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST); @@ -5560,6 +5569,15 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) p->rx_ppp6 = GET_STAT(RX_PORT_PPP6); p->rx_ppp7 = GET_STAT(RX_PORT_PPP7); + if (CHELSIO_CHIP_VERSION(adap->params.chip) >= CHELSIO_T5) { + if (stat_ctl & COUNTPAUSESTATRX_F) { + p->rx_frames -= p->rx_pause; + p->rx_octets -= p->rx_pause * 64; + } + if (stat_ctl & COUNTPAUSEMCRX_F) + p->rx_mcast_frames -= p->rx_pause; + } + p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0; p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0; p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0; |