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Message-Id: <20251112055841.22984-2-jiawenwu@trustnetic.com>
Date: Wed, 12 Nov 2025 13:58:37 +0800
From: Jiawen Wu <jiawenwu@...stnetic.com>
To: netdev@...r.kernel.org,
Andrew Lunn <andrew+netdev@...n.ch>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
Simon Horman <horms@...nel.org>,
Jacob Keller <jacob.e.keller@...el.com>,
Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc: Mengyuan Lou <mengyuanlou@...-swift.com>,
Jiawen Wu <jiawenwu@...stnetic.com>
Subject: [PATCH net-next 1/5] net: txgbe: support CR modules for AML devices
Support to identify 25G/10G CR modules for AML devices. Autoneg is
enbaled by default in CR mode.
Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
---
.../net/ethernet/wangxun/txgbe/txgbe_aml.c | 59 +++++++++++++------
.../ethernet/wangxun/txgbe/txgbe_ethtool.c | 3 +-
2 files changed, 44 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c
index 35eebdb07761..a7650f548fa4 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c
@@ -104,7 +104,8 @@ static int txgbe_set_phy_link_hostif(struct wx *wx, int speed, int autoneg, int
WX_HI_COMMAND_TIMEOUT, true);
}
-static void txgbe_get_link_capabilities(struct wx *wx, int *speed, int *duplex)
+static void txgbe_get_link_capabilities(struct wx *wx, int *speed,
+ int *autoneg, int *duplex)
{
struct txgbe *txgbe = wx->priv;
@@ -115,6 +116,7 @@ static void txgbe_get_link_capabilities(struct wx *wx, int *speed, int *duplex)
else
*speed = SPEED_UNKNOWN;
+ *autoneg = phylink_test(txgbe->advertising, Autoneg);
*duplex = *speed == SPEED_UNKNOWN ? DUPLEX_HALF : DUPLEX_FULL;
}
@@ -135,11 +137,11 @@ static void txgbe_get_mac_link(struct wx *wx, int *speed)
int txgbe_set_phy_link(struct wx *wx)
{
- int speed, duplex, err;
+ int speed, autoneg, duplex, err;
- txgbe_get_link_capabilities(wx, &speed, &duplex);
+ txgbe_get_link_capabilities(wx, &speed, &autoneg, &duplex);
- err = txgbe_set_phy_link_hostif(wx, speed, 0, duplex);
+ err = txgbe_set_phy_link_hostif(wx, speed, autoneg, duplex);
if (err) {
wx_err(wx, "Failed to setup link\n");
return err;
@@ -154,19 +156,43 @@ static int txgbe_sfp_to_linkmodes(struct wx *wx, struct txgbe_sfp_id *id)
DECLARE_PHY_INTERFACE_MASK(interfaces);
struct txgbe *txgbe = wx->priv;
- if (id->com_25g_code & (TXGBE_SFF_25GBASESR_CAPABLE |
- TXGBE_SFF_25GBASEER_CAPABLE |
- TXGBE_SFF_25GBASELR_CAPABLE)) {
- phylink_set(modes, 25000baseSR_Full);
+ if (id->cable_tech & TXGBE_SFF_DA_PASSIVE_CABLE) {
+ txgbe->link_port = PORT_DA;
+ phylink_set(modes, Autoneg);
+ if (id->com_25g_code == TXGBE_SFF_25GBASECR_91FEC ||
+ id->com_25g_code == TXGBE_SFF_25GBASECR_74FEC ||
+ id->com_25g_code == TXGBE_SFF_25GBASECR_NOFEC) {
+ phylink_set(modes, 25000baseCR_Full);
+ phylink_set(modes, 10000baseCR_Full);
+ __set_bit(PHY_INTERFACE_MODE_25GBASER, interfaces);
+ __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
+ } else {
+ phylink_set(modes, 10000baseCR_Full);
+ __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
+ }
+ } else if (id->cable_tech & TXGBE_SFF_DA_ACTIVE_CABLE) {
+ txgbe->link_port = PORT_DA;
+ phylink_set(modes, Autoneg);
+ phylink_set(modes, 25000baseCR_Full);
__set_bit(PHY_INTERFACE_MODE_25GBASER, interfaces);
- }
- if (id->com_10g_code & TXGBE_SFF_10GBASESR_CAPABLE) {
- phylink_set(modes, 10000baseSR_Full);
- __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
- }
- if (id->com_10g_code & TXGBE_SFF_10GBASELR_CAPABLE) {
- phylink_set(modes, 10000baseLR_Full);
- __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
+ } else {
+ if (id->com_25g_code == TXGBE_SFF_25GBASESR_CAPABLE ||
+ id->com_25g_code == TXGBE_SFF_25GBASEER_CAPABLE ||
+ id->com_25g_code == TXGBE_SFF_25GBASELR_CAPABLE) {
+ txgbe->link_port = PORT_FIBRE;
+ phylink_set(modes, 25000baseSR_Full);
+ __set_bit(PHY_INTERFACE_MODE_25GBASER, interfaces);
+ }
+ if (id->com_10g_code & TXGBE_SFF_10GBASESR_CAPABLE) {
+ txgbe->link_port = PORT_FIBRE;
+ phylink_set(modes, 10000baseSR_Full);
+ __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
+ }
+ if (id->com_10g_code & TXGBE_SFF_10GBASELR_CAPABLE) {
+ txgbe->link_port = PORT_FIBRE;
+ phylink_set(modes, 10000baseLR_Full);
+ __set_bit(PHY_INTERFACE_MODE_10GBASER, interfaces);
+ }
}
if (phy_interface_empty(interfaces)) {
@@ -177,7 +203,6 @@ static int txgbe_sfp_to_linkmodes(struct wx *wx, struct txgbe_sfp_id *id)
phylink_set(modes, Pause);
phylink_set(modes, Asym_Pause);
phylink_set(modes, FIBRE);
- txgbe->link_port = PORT_FIBRE;
if (!linkmode_equal(txgbe->sfp_support, modes)) {
linkmode_copy(txgbe->sfp_support, modes);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
index e285b088c7b2..e8dd277a35c7 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
@@ -30,7 +30,8 @@ int txgbe_get_link_ksettings(struct net_device *netdev,
return 0;
cmd->base.port = txgbe->link_port;
- cmd->base.autoneg = AUTONEG_DISABLE;
+ cmd->base.autoneg = phylink_test(txgbe->advertising, Autoneg) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE;
linkmode_copy(cmd->link_modes.supported, txgbe->sfp_support);
linkmode_copy(cmd->link_modes.advertising, txgbe->advertising);
--
2.48.1
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