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openwrt/target/linux/generic/backport-6.6/780-11-v6.9-r8169-add-LED-support-for-RTL8125-RTL8126.patch
Mieczyslaw Nalewaj 4fc47c6000 kernel: bump 6.6 to 6.6.59 
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59

Removed upstreamed:
 - generic/backport-6.6/777-netfilter-xtables-fix-typo-causing-some-targets-to-not-load-on-IPv6.patch[1]
 - generic/backport-6.6/780-24-v6.12-r8169-avoid-unsolicited-interrupts.patch[2]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.59&id=433742ba96baf30c21e654ce3e698ad87100593b
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.59&id=7d6d46b429804b1a182106e27e2f8c0e84689e1a

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/16835
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2024-11-04 23:40:12 +01:00

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From be51ed104ba9929c741afb718ef7198dbcecef94 Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Mon, 12 Feb 2024 19:44:11 +0100
Subject: [PATCH] r8169: add LED support for RTL8125/RTL8126
This adds LED support for RTL8125/RTL8126.
Note: Due to missing datasheets changing the 5Gbps link mode isn't
supported for RTL8126.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/f982602c-9de3-4ca6-85a3-2c1d118dcb15@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/realtek/r8169.h | 3 +
drivers/net/ethernet/realtek/r8169_leds.c | 106 ++++++++++++++++++++++
drivers/net/ethernet/realtek/r8169_main.c | 61 ++++++++++++-
3 files changed, 166 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/realtek/r8169.h
+++ b/drivers/net/ethernet/realtek/r8169.h
@@ -85,3 +85,6 @@ void r8169_get_led_name(struct rtl8169_p
int rtl8168_get_led_mode(struct rtl8169_private *tp);
int rtl8168_led_mod_ctrl(struct rtl8169_private *tp, u16 mask, u16 val);
void rtl8168_init_leds(struct net_device *ndev);
+int rtl8125_get_led_mode(struct rtl8169_private *tp, int index);
+int rtl8125_set_led_mode(struct rtl8169_private *tp, int index, u16 mode);
+void rtl8125_init_leds(struct net_device *ndev);
--- a/drivers/net/ethernet/realtek/r8169_leds.c
+++ b/drivers/net/ethernet/realtek/r8169_leds.c
@@ -18,7 +18,14 @@
#define RTL8168_LED_CTRL_LINK_100 BIT(1)
#define RTL8168_LED_CTRL_LINK_10 BIT(0)
+#define RTL8125_LED_CTRL_ACT BIT(9)
+#define RTL8125_LED_CTRL_LINK_2500 BIT(5)
+#define RTL8125_LED_CTRL_LINK_1000 BIT(3)
+#define RTL8125_LED_CTRL_LINK_100 BIT(1)
+#define RTL8125_LED_CTRL_LINK_10 BIT(0)
+
#define RTL8168_NUM_LEDS 3
+#define RTL8125_NUM_LEDS 4
struct r8169_led_classdev {
struct led_classdev led;
@@ -157,3 +164,102 @@ void rtl8168_init_leds(struct net_device
for (i = 0; i < RTL8168_NUM_LEDS; i++)
rtl8168_setup_ldev(leds + i, ndev, i);
}
+
+static int rtl8125_led_hw_control_is_supported(struct led_classdev *led_cdev,
+ unsigned long flags)
+{
+ struct r8169_led_classdev *ldev = lcdev_to_r8169_ldev(led_cdev);
+ struct rtl8169_private *tp = netdev_priv(ldev->ndev);
+
+ if (!r8169_trigger_mode_is_valid(flags)) {
+ /* Switch LED off to indicate that mode isn't supported */
+ rtl8125_set_led_mode(tp, ldev->index, 0);
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int rtl8125_led_hw_control_set(struct led_classdev *led_cdev,
+ unsigned long flags)
+{
+ struct r8169_led_classdev *ldev = lcdev_to_r8169_ldev(led_cdev);
+ struct rtl8169_private *tp = netdev_priv(ldev->ndev);
+ u16 mode = 0;
+
+ if (flags & BIT(TRIGGER_NETDEV_LINK_10))
+ mode |= RTL8125_LED_CTRL_LINK_10;
+ if (flags & BIT(TRIGGER_NETDEV_LINK_100))
+ mode |= RTL8125_LED_CTRL_LINK_100;
+ if (flags & BIT(TRIGGER_NETDEV_LINK_1000))
+ mode |= RTL8125_LED_CTRL_LINK_1000;
+ if (flags & BIT(TRIGGER_NETDEV_LINK_2500))
+ mode |= RTL8125_LED_CTRL_LINK_2500;
+ if (flags & (BIT(TRIGGER_NETDEV_TX) | BIT(TRIGGER_NETDEV_RX)))
+ mode |= RTL8125_LED_CTRL_ACT;
+
+ return rtl8125_set_led_mode(tp, ldev->index, mode);
+}
+
+static int rtl8125_led_hw_control_get(struct led_classdev *led_cdev,
+ unsigned long *flags)
+{
+ struct r8169_led_classdev *ldev = lcdev_to_r8169_ldev(led_cdev);
+ struct rtl8169_private *tp = netdev_priv(ldev->ndev);
+ int mode;
+
+ mode = rtl8125_get_led_mode(tp, ldev->index);
+ if (mode < 0)
+ return mode;
+
+ if (mode & RTL8125_LED_CTRL_LINK_10)
+ *flags |= BIT(TRIGGER_NETDEV_LINK_10);
+ if (mode & RTL8125_LED_CTRL_LINK_100)
+ *flags |= BIT(TRIGGER_NETDEV_LINK_100);
+ if (mode & RTL8125_LED_CTRL_LINK_1000)
+ *flags |= BIT(TRIGGER_NETDEV_LINK_1000);
+ if (mode & RTL8125_LED_CTRL_LINK_2500)
+ *flags |= BIT(TRIGGER_NETDEV_LINK_2500);
+ if (mode & RTL8125_LED_CTRL_ACT)
+ *flags |= BIT(TRIGGER_NETDEV_TX) | BIT(TRIGGER_NETDEV_RX);
+
+ return 0;
+}
+
+static void rtl8125_setup_led_ldev(struct r8169_led_classdev *ldev,
+ struct net_device *ndev, int index)
+{
+ struct rtl8169_private *tp = netdev_priv(ndev);
+ struct led_classdev *led_cdev = &ldev->led;
+ char led_name[LED_MAX_NAME_SIZE];
+
+ ldev->ndev = ndev;
+ ldev->index = index;
+
+ r8169_get_led_name(tp, index, led_name, LED_MAX_NAME_SIZE);
+ led_cdev->name = led_name;
+ led_cdev->hw_control_trigger = "netdev";
+ led_cdev->flags |= LED_RETAIN_AT_SHUTDOWN;
+ led_cdev->hw_control_is_supported = rtl8125_led_hw_control_is_supported;
+ led_cdev->hw_control_set = rtl8125_led_hw_control_set;
+ led_cdev->hw_control_get = rtl8125_led_hw_control_get;
+ led_cdev->hw_control_get_device = r8169_led_hw_control_get_device;
+
+ /* ignore errors */
+ devm_led_classdev_register(&ndev->dev, led_cdev);
+}
+
+void rtl8125_init_leds(struct net_device *ndev)
+{
+ /* bind resource mgmt to netdev */
+ struct device *dev = &ndev->dev;
+ struct r8169_led_classdev *leds;
+ int i;
+
+ leds = devm_kcalloc(dev, RTL8125_NUM_LEDS, sizeof(*leds), GFP_KERNEL);
+ if (!leds)
+ return;
+
+ for (i = 0; i < RTL8125_NUM_LEDS; i++)
+ rtl8125_setup_led_ldev(leds + i, ndev, i);
+}
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -330,17 +330,23 @@ enum rtl8168_registers {
};
enum rtl8125_registers {
+ LEDSEL0 = 0x18,
INT_CFG0_8125 = 0x34,
#define INT_CFG0_ENABLE_8125 BIT(0)
#define INT_CFG0_CLKREQEN BIT(3)
IntrMask_8125 = 0x38,
IntrStatus_8125 = 0x3c,
INT_CFG1_8125 = 0x7a,
+ LEDSEL2 = 0x84,
+ LEDSEL1 = 0x86,
TxPoll_8125 = 0x90,
+ LEDSEL3 = 0x96,
MAC0_BKP = 0x19e0,
EEE_TXIDLE_TIMER_8125 = 0x6048,
};
+#define LEDSEL_MASK_8125 0x23f
+
#define RX_VLAN_INNER_8125 BIT(22)
#define RX_VLAN_OUTER_8125 BIT(23)
#define RX_VLAN_8125 (RX_VLAN_INNER_8125 | RX_VLAN_OUTER_8125)
@@ -857,6 +863,51 @@ int rtl8168_get_led_mode(struct rtl8169_
return ret;
}
+static int rtl8125_get_led_reg(int index)
+{
+ static const int led_regs[] = { LEDSEL0, LEDSEL1, LEDSEL2, LEDSEL3 };
+
+ return led_regs[index];
+}
+
+int rtl8125_set_led_mode(struct rtl8169_private *tp, int index, u16 mode)
+{
+ int reg = rtl8125_get_led_reg(index);
+ struct device *dev = tp_to_dev(tp);
+ int ret;
+ u16 val;
+
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
+ return ret;
+
+ mutex_lock(&tp->led_lock);
+ val = RTL_R16(tp, reg) & ~LEDSEL_MASK_8125;
+ RTL_W16(tp, reg, val | mode);
+ mutex_unlock(&tp->led_lock);
+
+ pm_runtime_put_sync(dev);
+
+ return 0;
+}
+
+int rtl8125_get_led_mode(struct rtl8169_private *tp, int index)
+{
+ int reg = rtl8125_get_led_reg(index);
+ struct device *dev = tp_to_dev(tp);
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
+ return ret;
+
+ ret = RTL_R16(tp, reg);
+
+ pm_runtime_put_sync(dev);
+
+ return ret;
+}
+
void r8169_get_led_name(struct rtl8169_private *tp, int idx,
char *buf, int buf_len)
{
@@ -5442,10 +5493,12 @@ static int rtl_init_one(struct pci_dev *
if (rc)
return rc;
- if (IS_ENABLED(CONFIG_R8169_LEDS) &&
- tp->mac_version > RTL_GIGA_MAC_VER_06 &&
- tp->mac_version < RTL_GIGA_MAC_VER_61)
- rtl8168_init_leds(dev);
+ if (IS_ENABLED(CONFIG_R8169_LEDS)) {
+ if (rtl_is_8125(tp))
+ rtl8125_init_leds(dev);
+ else if (tp->mac_version > RTL_GIGA_MAC_VER_06)
+ rtl8168_init_leds(dev);
+ }
netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n",
rtl_chip_infos[chipset].name, dev->dev_addr, xid, tp->irq);
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