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e1000/base: fix i217

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Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
[Thomas: split code drop]
This commit is contained in:
Jijiang Liu 2014-06-18 14:22:26 +02:00 committed by Thomas Monjalon
parent 95fe5e10ee
commit 0dc47cca90
2 changed files with 11 additions and 3 deletions
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13
lib/librte_pmd_e1000/e1000/e1000_ich8lan.c
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@ -1416,14 +1416,17 @@ STATIC s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
return ret_val;
}
/* When connected at 10Mbps half-duplex, 82579 parts are excessively
/* When connected at 10Mbps half-duplex, some parts are excessively
* aggressive resulting in many collisions. To avoid this, increase
* the IPG and reduce Rx latency in the PHY.
*/
if ((hw->mac.type == e1000_pch2lan) && link) {
if (((hw->mac.type == e1000_pch2lan) ||
(hw->mac.type == e1000_pch_lpt)) && link) {
u32 reg;
reg = E1000_READ_REG(hw, E1000_STATUS);
if (!(reg & (E1000_STATUS_FD | E1000_STATUS_SPEED_MASK))) {
u16 emi_addr;
reg = E1000_READ_REG(hw, E1000_TIPG);
reg &= ~E1000_TIPG_IPGT_MASK;
reg |= 0xFF;
@ -1434,7 +1437,11 @@ STATIC s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
if (ret_val)
return ret_val;
ret_val = e1000_write_emi_reg_locked(hw, I82579_RX_CONFIG, 0);
if (hw->mac.type == e1000_pch2lan)
emi_addr = I82579_RX_CONFIG;
else
emi_addr = I217_RX_CONFIG;
ret_val = e1000_write_emi_reg_locked(hw, emi_addr, 0);
hw->phy.ops.release(hw);

1
lib/librte_pmd_e1000/e1000/e1000_ich8lan.h
View File

@ -273,6 +273,7 @@ POSSIBILITY OF SUCH DAMAGE.
#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */
#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
#define I217_RX_CONFIG 0xB20C /* Receive configuration */
#define E1000_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */
#define E1000_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */