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cxgb3: Fix T3C MAC max packet size access

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Max packet size is not the only field in T3C's High Water Mark register.
Mask the register to access this field.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Divy Le Ray 2009-07-07 19:48:38 +00:00 committed by David S. Miller
parent 619f05cf69
commit cfe2462c6a
1 changed files with 6 additions and 5 deletions
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11
drivers/net/cxgb3/xgmac.c
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@ -447,11 +447,12 @@ int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc)
val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft);
val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM);
if (fc & PAUSE_TX)
val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm(
t3_read_reg(adap,
A_XGM_RX_MAX_PKT_SIZE
+ oft)) / 8);
if (fc & PAUSE_TX) {
u32 rx_max_pkt_size =
G_RXMAXPKTSIZE(t3_read_reg(adap,
A_XGM_RX_MAX_PKT_SIZE + oft));
val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm(rx_max_pkt_size) / 8);
}
t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val);
t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN,