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atl1c: threshold for ASPM is changed based on chip capability 

threshold setting to control ASPM for diff chips are different.
currently, all gigabit-capability chips have limited-ASPM under
100M throughput.

Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huang, Xiong 2012-04-18 22:01:21 +00:00 committed by David S. Miller
parent 31ea38eefe
commit 9c5282180b
1 changed files with 4 additions and 3 deletions
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7
drivers/net/ethernet/atheros/atl1c/atl1c_main.c
View File

@ -1080,9 +1080,10 @@ static void atl1c_configure_rx(struct atl1c_adapter *adapter)
if (hw->ctrl_flags & ATL1C_RX_IPV6_CHKSUM)
rxq_ctrl_data |= IPV6_CHKSUM_CTRL_EN;
if (hw->ctrl_flags & ATL1C_ASPM_CTRL_MON)
rxq_ctrl_data |= (ASPM_THRUPUT_LIMIT_1M &
ASPM_THRUPUT_LIMIT_MASK) << ASPM_THRUPUT_LIMIT_SHIFT;
/* aspm for gigabit */
if (hw->nic_type != athr_l1d_2 && (hw->device_id & 1) != 0)
rxq_ctrl_data = FIELD_SETX(rxq_ctrl_data, ASPM_THRUPUT_LIMIT,
ASPM_THRUPUT_LIMIT_100M);
AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data);
}