package: add kmod-r8125 ethernet driver

r8125 is an out of tree driver provided by Realtek for RTL8125 devices.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[Refresh our patch, disable aspm]
Signed-off-by: AnYun <amadeus@openjmu.xyz>

package/kernel/r8125/Makefile

@@ -0,0 +1,48 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=r8125
+PKG_VERSION:=9.013.02
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=https://github.com/openwrt/rtl8125/releases/download/$(PKG_VERSION)
+PKG_HASH:=d36410ee99c956f250d9cd08340d8c36567d190f420a8ee128ff6e51225aac0c
+
+PKG_BUILD_PARALLEL:=1
+PKG_LICENSE:=GPLv2
+PKG_MAINTAINER:=Alvaro Fernandez Rojas <noltari@gmail.com>
+
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/r8125
+  SUBMENU:=Network Devices
+  TITLE:=Realtek RTL8125 PCI 2.5 Gigabit Ethernet driver
+  DEPENDS:=@PCI_SUPPORT +kmod-libphy
+  FILES:=$(PKG_BUILD_DIR)/src/r8125.ko
+  AUTOLOAD:=$(call AutoProbe,r8125)
+  PROVIDES:=kmod-r8169
+  VARIANT:=regular
+endef
+
+define KernelPackage/r8125-rss
+$(call KernelPackage/r8125)
+  TITLE+= (RSS)
+  VARIANT:=rss
+endef
+
+ifeq ($(BUILD_VARIANT),rss)
+  PKG_MAKE_FLAGS += ENABLE_RSS_SUPPORT=y
+endif
+
+PKG_MAKE_FLAGS += CONFIG_ASPM=n
+
+define Build/Compile
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
+		$(PKG_MAKE_FLAGS) \
+		M="$(PKG_BUILD_DIR)/src" \
+		modules
+endef
+
+$(eval $(call KernelPackage,r8125))
+$(eval $(call KernelPackage,r8125-rss))

package/kernel/r8125/patches/100-r8125_rss-silence-rxnfc-log.patch

@@ -0,0 +1,26 @@
+From cd20cf48c0ec2a01fd9f512e25218a6ac8131794 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Sat, 17 Aug 2024 22:07:23 +0200
+Subject: [PATCH] r8125_rss: silence rxnfc log
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This log is noisy and useless, just ignore it.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ src/r8125_rss.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/src/r8125_rss.c
++++ b/src/r8125_rss.c
+@@ -91,7 +91,7 @@ int rtl8125_get_rxnfc(struct net_device
+         struct rtl8125_private *tp = netdev_priv(dev);
+         int ret = -EOPNOTSUPP;
+
+-        netif_info(tp, drv, tp->dev, "rss get rxnfc\n");
++        netif_dbg(tp, drv, tp->dev, "rss get rxnfc\n");
+
+         if (!(dev->features & NETIF_F_RXHASH))
+                 return ret;

package/kernel/r8125/patches/200-r8125-print-link-speed-and-duplex-mode.patch

@@ -0,0 +1,99 @@
+From e351ac87bc3135e8555587e0bf80efb248ade0b7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Sun, 4 Aug 2024 21:16:23 +0800
+Subject: [PATCH] r8125: print link speed and duplex mode
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Like other Ethernet drivers, print link speed and duplex mode
+when the interface is up. Formatting output at the same time.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ src/r8125.h   |  2 ++
+ src/r8125_n.c | 46 +++++++++++++++++++++++++++++++++++++++++++---
+ 2 files changed, 45 insertions(+), 3 deletions(-)
+
+--- a/src/r8125.h
++++ b/src/r8125.h
+@@ -1563,6 +1563,8 @@ enum RTL8125_register_content {
+         LinkStatus = 0x02,
+         FullDup = 0x01,
+
++#define RTL8125_FULL_DUPLEX_MASK (_2500bpsF | _1000bpsF | FullDup)
++
+         /* DBG_reg */
+         Fix_Nak_1 = (1 << 4),
+         Fix_Nak_2 = (1 << 3),
+--- a/src/r8125_n.c
++++ b/src/r8125_n.c
+@@ -39,6 +39,7 @@
+ #include <linux/module.h>
+ #include <linux/version.h>
+ #include <linux/pci.h>
++#include <linux/phy.h>
+ #include <linux/netdevice.h>
+ #include <linux/etherdevice.h>
+ #include <linux/delay.h>
+@@ -5112,6 +5113,38 @@ rtl8125_link_down_patch(struct net_devic
+ #endif
+ }
+
++static unsigned int rtl8125_phy_duplex(u16 status)
++{
++        unsigned int duplex = DUPLEX_UNKNOWN;
++
++        if (status & LinkStatus) {
++                if (status & RTL8125_FULL_DUPLEX_MASK)
++                        duplex = DUPLEX_FULL;
++                else
++                        duplex = DUPLEX_HALF;
++        }
++
++        return duplex;
++}
++
++static int rtl8125_phy_speed(u16 status)
++{
++        int speed = SPEED_UNKNOWN;
++
++        if (status & LinkStatus) {
++                if (status & _2500bpsF)
++                        speed = SPEED_2500;
++                else if (status & _1000bpsF)
++                        speed = SPEED_1000;
++                else if (status & _100bps)
++                        speed = SPEED_100;
++                else if (status & _10bps)
++                        speed = SPEED_10;
++        }
++
++        return speed;
++}
++
+ static void
+ _rtl8125_check_link_status(struct net_device *dev)
+ {
+@@ -5120,11 +5153,18 @@ _rtl8125_check_link_status(struct net_de
+         if (tp->link_ok(dev)) {
+                 rtl8125_link_on_patch(dev);
+
+-                if (netif_msg_ifup(tp))
+-                        printk(KERN_INFO PFX "%s: link up\n", dev->name);
++                if (netif_msg_ifup(tp)) {
++                        const u16 phy_status = RTL_R16(tp, PHYstatus);
++                        const unsigned int phy_duplex = rtl8125_phy_duplex(phy_status);
++                        const int phy_speed = rtl8125_phy_speed(phy_status);
++                        printk(KERN_INFO PFX "%s: Link is Up - %s/%s\n",
++                                dev->name,
++                                phy_speed_to_str(phy_speed),
++                                phy_duplex_to_str(phy_duplex));
++                }
+         } else {
+                 if (netif_msg_ifdown(tp))
+-                        printk(KERN_INFO PFX "%s: link down\n", dev->name);
++                        printk(KERN_INFO PFX "%s: Link is Down\n", dev->name);
+
+                 rtl8125_link_down_patch(dev);
+         }

package/lean/r8125/patches/030-add-LED-configuration-from-OF.patch → package/kernel/r8125/patches/300-r8125-add-LED-configuration-from-OF.patch

@@ -1,43 +1,41 @@
 --- a/src/r8125_n.c
 +++ b/src/r8125_n.c
-@@ -43,6 +43,7 @@
+@@ -44,6 +44,7 @@
  #include <linux/etherdevice.h>
  #include <linux/delay.h>
  #include <linux/mii.h>
 +#include <linux/of.h>
  #include <linux/if_vlan.h>
  #include <linux/crc32.h>
  #include <linux/interrupt.h>
-@@ -13626,6 +13627,23 @@ rtl8125_setup_mqs_reg(struct rtl8125_pri
-                 tp->imr_reg[i] = (u16)(IMR1_8125 + (i - 1) * 4);
+@@ -13667,6 +13668,22 @@ rtl8125_setup_mqs_reg(struct rtl8125_pri
  }
 
-+static int
+ static void
 +rtl8125_led_configuration(struct rtl8125_private *tp)
 +{
-+        u32 led_data;
-+        int ret;
-+
-+        ret = of_property_read_u32(tp->pci_dev->dev.of_node,
-+                                  "realtek,led-data", &led_data);
-+
-+        if (ret)
-+                return ret;
++        u32 led_data[4];
++        int i, ret;
 +
-+        RTL_W16(tp, CustomLED, led_data);
-+
-+        return 0;
++        const int led_regs[] = { 0x18, 0x86, 0x84, 0x96 };
++        ret = of_property_read_u32_array(tp->pci_dev->dev.of_node,
++                                         "led-data", led_data, 4);
++        if (!ret) {
++                for (i = 0; i < 4; i++) {
++                        RTL_W16(tp, led_regs[i], led_data[i]);
++                }
++        }
 +}
 +
- static void
++static void
  rtl8125_init_software_variable(struct net_device *dev)
  {
-@@ -14260,6 +14278,8 @@ rtl8125_init_software_variable(struct ne
+         struct rtl8125_private *tp = netdev_priv(dev);
+@@ -14300,6 +14317,7 @@ rtl8125_init_software_variable(struct ne
          else if (tp->InitRxDescType == RX_DESC_RING_TYPE_4)
                  tp->rtl8125_rx_config &= ~EnableRxDescV4_1;
 
 +        rtl8125_led_configuration(tp);
-+
          tp->NicCustLedValue = RTL_R16(tp, CustomLED);
 
          tp->wol_opts = rtl8125_get_hw_wol(tp);