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e1000e: Enable Link Partner Advertised Support

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This enables link partner advertised support to show link modes and
pause frame use.

Signed-off-by: Jamie Gloudon <jamie.gloudon@gmx.fr>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230103230653.1102544-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jamie Gloudon 2023-01-03 15:06:53 -08:00 • committed by Jakub Kicinski
parent 12c1604ae1
commit cbdbb58b6c
2 changed files with 18 additions and 1 deletions
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10
drivers/net/ethernet/intel/e1000e/ethtool.c
View file

@ -110,9 +110,9 @@ static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
static int e1000_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
u32 speed, supported, advertising, lp_advertising, lpa_t;
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 speed, supported, advertising;
if (hw->phy.media_type == e1000_media_type_copper) {
supported = (SUPPORTED_10baseT_Half |
@ -120,7 +120,9 @@ static int e1000_get_link_ksettings(struct net_device *netdev,
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_Asym_Pause |
SUPPORTED_Autoneg |
SUPPORTED_Pause |
SUPPORTED_TP);
if (hw->phy.type == e1000_phy_ife)
supported &= ~SUPPORTED_1000baseT_Full;
@ -192,10 +194,16 @@ static int e1000_get_link_ksettings(struct net_device *netdev,
if (hw->phy.media_type != e1000_media_type_copper)
cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
lpa_t = mii_stat1000_to_ethtool_lpa_t(adapter->phy_regs.stat1000);
lp_advertising = lpa_t |
mii_lpa_to_ethtool_lpa_t(adapter->phy_regs.lpa);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
advertising);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
lp_advertising);
return 0;
}

9
drivers/net/ethernet/intel/e1000e/phy.c
View file

@ -2,6 +2,7 @@
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#include "e1000.h"
#include <linux/ethtool.h>
static s32 e1000_wait_autoneg(struct e1000_hw *hw);
static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
@ -1011,6 +1012,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
*/
mii_autoneg_adv_reg &=
~(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
phy->autoneg_advertised &=
~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
break;
case e1000_fc_rx_pause:
/* Rx Flow control is enabled, and Tx Flow control is
@ -1024,6 +1027,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
*/
mii_autoneg_adv_reg |=
(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
phy->autoneg_advertised |=
(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
break;
case e1000_fc_tx_pause:
/* Tx Flow control is enabled, and Rx Flow control is
@ -1031,6 +1036,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
*/
mii_autoneg_adv_reg |= ADVERTISE_PAUSE_ASYM;
mii_autoneg_adv_reg &= ~ADVERTISE_PAUSE_CAP;
phy->autoneg_advertised |= ADVERTISED_Asym_Pause;
phy->autoneg_advertised &= ~ADVERTISED_Pause;
break;
case e1000_fc_full:
/* Flow control (both Rx and Tx) is enabled by a software
@ -1038,6 +1045,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
*/
mii_autoneg_adv_reg |=
(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
phy->autoneg_advertised |=
(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
break;
default:
e_dbg("Flow control param set incorrectly\n");