package: add kmod-r8168 ethernet driver

r8168 is an out of tree driver provided by Realtek for RTL8168 devices.

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

package/kernel/r8168/Makefile

@@ -0,0 +1,33 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=r8168
+PKG_VERSION:=8.053.00
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=https://github.com/openwrt/rtl8168/releases/download/$(PKG_VERSION)
+PKG_HASH:=52f1e6200672b598a04d4ac21ac92a8a9e128b38208c7b03a464bfa93bbfcc8f
+
+PKG_BUILD_PARALLEL:=1
+PKG_LICENSE:=GPLv2
+PKG_MAINTAINER:=Alvaro Fernandez Rojas <noltari@gmail.com>
+
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/r8168
+  SUBMENU:=Network Devices
+  TITLE:=Realtek RTL8168 PCI Gigabit Ethernet driver
+  DEPENDS:=@PCI_SUPPORT +kmod-libphy
+  FILES:=$(PKG_BUILD_DIR)/src/r8168.ko
+  AUTOLOAD:=$(call AutoProbe,r8168)
+  PROVIDES:=kmod-r8169
+endef
+
+define Build/Compile
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
+		M="$(PKG_BUILD_DIR)/src" \
+		modules
+endef
+
+$(eval $(call KernelPackage,r8168))

package/kernel/r8168/patches/001-r8168_n-fix-proc_dump_rx_desc_2-on-32-bits.patch

@@ -0,0 +1,28 @@
+From c0e1ae03f564f0e3db492ef2f25357b5da7977d7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Sat, 10 Aug 2024 20:12:40 +0200
+Subject: [PATCH] r8168_n: fix proc_dump_rx_desc_2 on 32 bits
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ src/r8168_n.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/src/r8168_n.c
++++ b/src/r8168_n.c
+@@ -1655,9 +1655,9 @@ static int proc_dump_rx_desc_2(struct se
+                                                           j, k);
+                         for (i=0; i<(tp->RxDescLength/4); i++) {
+                                 if (!(i % 4))
+-                                        seq_printf(m, "\n%04llx ",
+-                                                   ((u64)pdword + (i * 4) -
+-                                                    (u64)tp->RxDescArray));
++                                        seq_printf(m, "\n%04x ",
++                                                   (u32) ((uintptr_t)pdword + (i * 4) -
++                                                    (uintptr_t)tp->RxDescArray));
+                                 seq_printf(m, "%08x ", pdword[i]);
+                         }
+                 }

package/kernel/r8168/patches/200-r8168-print-link-speed-and-duplex-mode.patch

@@ -0,0 +1,97 @@
+From 0078930e0c374d327cd3281e5e2f7ff97b40b335 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 16:15:12 +0800
+Subject: [PATCH] r8168: 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/r8168.h   |  2 ++
+ src/r8168_n.c | 44 +++++++++++++++++++++++++++++++++++++++++---
+ 2 files changed, 43 insertions(+), 3 deletions(-)
+
+--- a/src/r8168.h
++++ b/src/r8168.h
+@@ -1385,6 +1385,8 @@ enum RTL8168_register_content {
+         LinkStatus = 0x02,
+         FullDup = 0x01,
+
++#define RTL8168_FULL_DUPLEX_MASK (_1000bpsF | FullDup)
++
+         /* DBG_reg */
+         Fix_Nak_1 = (1 << 4),
+         Fix_Nak_2 = (1 << 3),
+--- a/src/r8168_n.c
++++ b/src/r8168_n.c
+@@ -43,6 +43,7 @@
+ #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>
+@@ -5373,6 +5374,36 @@ rtl8168_link_down_patch(struct net_devic
+ #endif
+ }
+
++static unsigned int rtl8168_phy_duplex(u8 status)
++{
++        unsigned int duplex = DUPLEX_UNKNOWN;
++
++        if (status & LinkStatus) {
++                if (status & RTL8168_FULL_DUPLEX_MASK)
++                        duplex = DUPLEX_FULL;
++                else
++                        duplex = DUPLEX_HALF;
++        }
++
++        return duplex;
++}
++
++static int rtl8168_phy_speed(u8 status)
++{
++        int speed = SPEED_UNKNOWN;
++
++        if (status & LinkStatus) {
++                if (status & _1000bpsF)
++                        speed = SPEED_1000;
++                else if (status & _100bps)
++                        speed = SPEED_100;
++                else if (status & _10bps)
++                        speed = SPEED_10;
++        }
++
++        return speed;
++}
++
+ static void
+ rtl8168_check_link_status(struct net_device *dev)
+ {
+@@ -5392,11 +5423,18 @@ rtl8168_check_link_status(struct net_dev
+                 if (link_status_on) {
+                         rtl8168_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 u8 phy_status = RTL_R8(tp, PHYstatus);
++                                const unsigned int phy_duplex = rtl8168_phy_duplex(phy_status);
++                                const int phy_speed = rtl8168_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);
+
+                         rtl8168_link_down_patch(dev);
+                 }

package/lean/r8168/patches/100-add-LED-configuration-from-OF.patch → package/kernel/r8168/patches/300-r8168-add-LED-configuration-from-OF.patch

@@ -1,42 +1,37 @@
 --- a/src/r8168_n.c
 +++ b/src/r8168_n.c
-@@ -47,6 +47,7 @@
+@@ -48,6 +48,7 @@
  #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>
-@@ -25945,6 +25946,22 @@ rtl8168_setup_mqs_reg(struct rtl8168_pri
-         tp->imr_reg[3] = IntrMask3;
+@@ -25984,6 +25985,18 @@ rtl8168_setup_mqs_reg(struct rtl8168_pri
  }
 
-+static int rtl8168_led_configuration(struct rtl8168_private *tp)
+ static void
++rtl8168_led_configuration(struct rtl8168_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;
-+
-+        RTL_W16(tp, CustomLED, led_data);
-+
-+        return 0;
++                                   "realtek,led-data", &led_data);
++        if (!ret)
++                RTL_W16(tp, CustomLED, led_data);
 +}
 +
- static void
++static void
  rtl8168_init_software_variable(struct net_device *dev)
  {
-@@ -26640,6 +26657,8 @@ err1:
+         struct rtl8168_private *tp = netdev_priv(dev);
+@@ -26678,6 +26691,7 @@ err1:
          if (tp->InitRxDescType == RX_DESC_RING_TYPE_2)
                  tp->RxDescLength = RX_DESC_LEN_TYPE_2;
 
 +        rtl8168_led_configuration(tp);
-+
          tp->NicCustLedValue = RTL_R16(tp, CustomLED);
 
          rtl8168_get_hw_wol(dev);