diff options
| author | Divy Le Ray <divy@chelsio.com> | 2007-09-05 15:58:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:51:04 -0700 |
| commit | b4687ff753c2c5c330989efed7cdf1a6bc6b512e (patch) | |
| tree | 0fdce28a3da7a32c114edacd6cf3be85f823f054 | |
| parent | 3eea3337a08a2ed2addac1551a9d446f2c16acd5 (diff) | |
| download | linux-3.10-b4687ff753c2c5c330989efed7cdf1a6bc6b512e.tar.gz linux-3.10-b4687ff753c2c5c330989efed7cdf1a6bc6b512e.tar.bz2 linux-3.10-b4687ff753c2c5c330989efed7cdf1a6bc6b512e.zip | |
cxgb3 - remove false positive in xgmac workaround
Qualify toggling of xgmac tx enable with not getting pause frames,
we might not make forward progress because the peer is sending
lots of pause frames.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/cxgb3/common.h | 1 | ||||
| -rw-r--r-- | drivers/net/cxgb3/xgmac.c | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h index ada5e4b89cd..7e9e43d1074 100644 --- a/drivers/net/cxgb3/common.h +++ b/drivers/net/cxgb3/common.h @@ -513,6 +513,7 @@ struct cmac { u64 rx_mcnt; unsigned int toggle_cnt; unsigned int txen; + u64 rx_pause; struct mac_stats stats; }; diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c index 1d1c3919ab6..ff9e9dcbd87 100644 --- a/drivers/net/cxgb3/xgmac.c +++ b/drivers/net/cxgb3/xgmac.c @@ -452,6 +452,7 @@ int t3_mac_enable(struct cmac *mac, int which) A_XGM_TX_SPI4_SOP_EOP_CNT + oft))); mac->rx_mcnt = s->rx_frames; + mac->rx_pause = s->rx_pause; mac->rx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap, A_XGM_RX_SPI4_SOP_EOP_CNT + oft))); @@ -504,7 +505,7 @@ int t3b2_mac_watchdog_task(struct cmac *mac) tx_xcnt = 1; /* By default tx_xcnt is making progress */ tx_tcnt = mac->tx_tcnt; /* If tx_mcnt is progressing ignore tx_tcnt */ rx_xcnt = 1; /* By default rx_xcnt is making progress */ - if (tx_mcnt == mac->tx_mcnt) { + if (tx_mcnt == mac->tx_mcnt && mac->rx_pause == s->rx_pause) { tx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap, A_XGM_TX_SPI4_SOP_EOP_CNT + mac->offset))); @@ -560,6 +561,7 @@ out: mac->tx_mcnt = s->tx_frames; mac->rx_xcnt = rx_xcnt; mac->rx_mcnt = s->rx_frames; + mac->rx_pause = s->rx_pause; if (status == 1) { t3_write_reg(adap, A_XGM_TX_CTRL + mac->offset, 0); t3_read_reg(adap, A_XGM_TX_CTRL + mac->offset); /* flush */ |