From: Andrea Righi <andrea.righi@canonical.com>
Subject: support linux 5.19

Index: r8168-8.050.03/src/r8168_n.c
===================================================================
--- r8168-8.050.03.orig/src/r8168_n.c
+++ r8168-8.050.03/src/r8168_n.c
@@ -116,6 +116,15 @@
 #define FIRMWARE_8168FP_3   "rtl_nic/rtl8168fp-3.fw"
 #define FIRMWARE_8168FP_4   "rtl_nic/rtl8168fp-4.fw"
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0)
+static inline void netif_set_gso_max_size(struct net_device *dev,
+					  unsigned int size)
+{
+	/* dev->gso_max_size is read locklessly from sk_setup_caps() */
+	WRITE_ONCE(dev->gso_max_size, size);
+}
+#endif
+
 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
 static const int multicast_filter_limit = 32;