d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cxgbe(4): Accurate statistics for all chip settings.

Browse Source 
There are 4 independent knobs in T5+ chips to include or exclude PAUSE
frames from the "total frames" and "multicast frames" counters in either
direction.  This change lets the driver deal with any combination of
these settings.
This commit is contained in:
np 2016-10-28 23:01:11 +00:00
parent 490f6fa63c
commit 0f04e70457
1 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sys/dev/cxgbe/common/t4_hw.c
View File

@ -5870,10 +5870,13 @@ 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 (stat_ctl & F_COUNTPAUSESTATTX) {
p->tx_frames -= p->tx_pause;
p->tx_octets -= p->tx_pause * 64;
p->tx_mcast_frames -= p->tx_pause;
if (chip_id(adap) >= CHELSIO_T5) {
if (stat_ctl & F_COUNTPAUSESTATTX) {
p->tx_frames -= p->tx_pause;
p->tx_octets -= p->tx_pause * 64;
}
if (stat_ctl & F_COUNTPAUSEMCTX)
p->tx_mcast_frames -= p->tx_pause;
}
p->rx_pause = GET_STAT(RX_PORT_PAUSE);
@ -5904,10 +5907,13 @@ 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 (stat_ctl & F_COUNTPAUSESTATRX) {
p->rx_frames -= p->rx_pause;
p->rx_octets -= p->rx_pause * 64;
p->rx_mcast_frames -= p->rx_pause;
if (chip_id(adap) >= CHELSIO_T5) {
if (stat_ctl & F_COUNTPAUSESTATRX) {
p->rx_frames -= p->rx_pause;
p->rx_octets -= p->rx_pause * 64;
}
if (stat_ctl & F_COUNTPAUSEMCRX)
p->rx_mcast_frames -= p->rx_pause;
}
p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;