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cxgb4: Fix pause frame count in t4_get_port_stats

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MPS_STAT_CTL[CountPauseStatTx] and MPS_STAT_CTL[CountPauseStatRx]
only control whether or not Pause Frames will be counted as part
of the 64-Byte Tx/Rx Frame counters.  These bits do not control
whether Pause Frames are counted in the Total Tx/Rx Frames/Bytes
counters.

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ganesh Goudar 2017-09-04 11:17:36 +05:30 committed by David S. Miller
parent 128416acea
commit 2de489f486
1 changed files with 4 additions and 8 deletions
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12
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
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@ -5987,10 +5987,8 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
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 & COUNTPAUSESTATTX_F)
p->tx_frames_64 -= p->tx_pause;
if (stat_ctl & COUNTPAUSEMCTX_F)
p->tx_mcast_frames -= p->tx_pause;
}
@ -6023,10 +6021,8 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
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 & COUNTPAUSESTATRX_F)
p->rx_frames_64 -= p->rx_pause;
if (stat_ctl & COUNTPAUSEMCRX_F)
p->rx_mcast_frames -= p->rx_pause;
}