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cxgb3 - fix register to stop bc/mc traffic 

Use the right register to stop broadcast/multicast traffic.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Divy Le Ray 2007-06-25 15:19:30 -07:00 committed by Jeff Garzik
parent d791c2bdf0
commit 549f800983
1 changed files with 5 additions and 3 deletions
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8
drivers/net/cxgb3/xgmac.c
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@ -335,11 +335,11 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
hwm = min(hwm, MAC_RXFIFO_SIZE - 8192);
lwm = min(3 * (int)mtu, MAC_RXFIFO_SIZE / 4);
v = t3_read_reg(adap, A_XGM_RXFIFO_CFG + mac->offset);
if (adap->params.rev == T3_REV_B2 &&
(t3_read_reg(adap, A_XGM_RX_CTRL + mac->offset) & F_RXEN)) {
disable_exact_filters(mac);
t3_set_reg_field(adap, A_XGM_RXFIFO_CFG + mac->offset,
v = t3_read_reg(adap, A_XGM_RX_CFG + mac->offset);
t3_set_reg_field(adap, A_XGM_RX_CFG + mac->offset,
F_ENHASHMCAST | F_COPYALLFRAMES, F_DISBCAST);
/* drain rx FIFO */
@ -347,11 +347,12 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
A_XGM_RX_MAX_PKT_SIZE_ERR_CNT +
mac->offset,
1 << 31, 1, 20, 5)) {
t3_write_reg(adap, A_XGM_RXFIFO_CFG + mac->offset, v);
t3_write_reg(adap, A_XGM_RX_CFG + mac->offset, v);
enable_exact_filters(mac);
return -EIO;
}
t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu);
t3_write_reg(adap, A_XGM_RX_CFG + mac->offset, v);
enable_exact_filters(mac);
} else
t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu);
@ -362,6 +363,7 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
*/
hwm = rx_fifo_hwm(mtu);
lwm = min(3 * (int)mtu, MAC_RXFIFO_SIZE / 4);
v = t3_read_reg(adap, A_XGM_RXFIFO_CFG + mac->offset);
v &= ~V_RXFIFOPAUSELWM(M_RXFIFOPAUSELWM);
v |= V_RXFIFOPAUSELWM(lwm / 8);
if (G_RXFIFOPAUSEHWM(v))