--- a/vmnet/Makefile
+++ b/vmnet/Makefile
@@ -43,7 +43,11 @@
 endif
 
 
+ifdef KVERSION
+VM_UNAME = $(KVERSION)
+else
 VM_UNAME = $(shell uname -r)
+endif
 
 # Header directory for the running kernel
 ifdef LINUXINCLUDE
--- a/vmnet/driver.c
+++ b/vmnet/driver.c
@@ -279,7 +279,7 @@
 /*
  *----------------------------------------------------------------------
  *
- * init_module --
+ * LinuxDriverInit --
  *
  *      linux module entry point. Called by /sbin/insmod command.
  *      Initializes module and Registers this driver for a
@@ -296,7 +296,7 @@
  */
 
 int
-init_module(void)
+LinuxDriverInit(void)
 {
    int retval;
 
@@ -358,7 +358,7 @@
 /*
  *----------------------------------------------------------------------
  *
- * cleanup_module --
+ * LinuxDriverExit --
  *
  *      Called by /sbin/rmmod.  Unregisters this driver for a
  *      vnet major #, and deinitializes the modules.  The 64-bit
@@ -375,7 +375,7 @@
  */
 
 void
-cleanup_module(void)
+LinuxDriverExit(void)
 {
    unregister_chrdev(VNET_MAJOR_NUMBER, "vmnet");
    VNetProtoUnregister();
@@ -1670,3 +1670,5 @@
  * by default (i.e., neither mkinitrd nor modprobe will accept it).
  */
 MODULE_INFO(supported, "external");
+module_init(LinuxDriverInit);
+module_exit(LinuxDriverExit);
--- a/vmnet/userif.c
+++ b/vmnet/userif.c
Fixing VMWare Player on Linux when using DHCP addresses: https://www.nikhef.nl/~janjust/vmnet/
@@ -1029,6 +1029,9 @@
    userIf = (VNetUserIF *)port->jack.private;
    hubJack = port->jack.peer;
 
+   /* never send link down events */
+   if (!linkUp) return 0;
+
    if (port->jack.state == FALSE || hubJack == NULL) {
       return -EINVAL;
    }
From 2c6d66f3f1947384038b765c897b102ecdb18298 Mon Sep 17 00:00:00 2001
From: Michal Kubecek <mkubecek@suse.cz>
Date: Fri, 12 Jan 2024 08:30:33 +0100
Subject: [PATCH] modules: fix build with -Wmissing-prototypes

Mainline commit 0fcb70851fbf ("Makefile.extrawarn: turn on
missing-prototypes globally") in 6.8-rc1 enables -Wmissing-prototypes
globally, revealing a lot of unclean code and also some actual problems.
This is also the case in vmmon and vmnet modules.

Most of them are addressed by making functions used only within one file
static. The missing prototype of random_get_entropy_fallback() is handled
by including <linux/timex.h> rather than <asm/timex.h>.

Finally, there are four functions in vmnet module which are actually used
in multiple files but instead of proper declarations, their prototype is
duplicated in vmnet-only/driver.c, risking that the two copies won't match
(which actually happened in one case). The cleanest solution would be
creating separate header files for them (bridge.h, netif.h, userif.h and
vnetUserListener.h) and including them in the respective source file and
driver.c. As the developers already handle similar cases by simply putting
the declarations into vnetInt.h, let us do the same to keep things simple.
---
 vmmon-only/common/task.c  |  2 +-
 vmmon-only/common/vmx86.c |  6 +++---
 vmmon-only/linux/driver.c |  4 ++--
 vmmon-only/linux/hostif.c |  6 +++---
 vmnet-only/bridge.c       |  2 +-
 vmnet-only/driver.c       | 16 ++--------------
 vmnet-only/vnetInt.h      |  7 +++++++
 7 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/vmnet-only/bridge.c b/vmnet-only/bridge.c
index b604a25d..4c139570 100644
--- a/vmnet-only/bridge.c
+++ b/vmnet-only/bridge.c
@@ -1407,7 +1407,7 @@ VNetBridgeComputeHeaderPos(struct sk_buff *skb) // IN: buffer to examine
  *----------------------------------------------------------------------
  */
 
-void
+static void
 VNetBridgeSendLargePacket(struct sk_buff *skb,        // IN: packet to split
                           VNetBridge *bridge)         // IN: bridge
 {
diff --git a/vmnet-only/driver.c b/vmnet-only/driver.c
index f314ff2e..fe5923d8 100644
--- a/vmnet-only/driver.c
+++ b/vmnet-only/driver.c
@@ -50,18 +50,6 @@
 
 #include "vmnetInt.h"
 
-/*
- * Initialization and creation routines from other files.
- * Putting them here reduces the need for so many header files.
- */
-
-extern int VNetUserIf_Create(VNetPort **ret);
-extern int VNetNetIf_Create(char *devName, VNetPort **ret, int hubNum);
-extern int VNetBridge_Create(char *devName, uint32 flags, VNetJack *hubJack,
-                             VNetPort **ret);
-extern int VNetUserListener_Create(uint32 classMask, VNetJack *hubJack, VNetPort **ret);
-
-
 /*
  *  Structure for cycle detection of host interfaces.  This
  *  struct is only used by VNetCycleDetectIf().
@@ -295,7 +283,7 @@ VNetRemovePortFromList(const VNetPort *port) // IN: port to remove from list
  *----------------------------------------------------------------------
  */
 
-int
+static int
 LinuxDriverInit(void)
 {
    int retval;
@@ -374,7 +362,7 @@ vmnet_init_module(void)
  *----------------------------------------------------------------------
  */
 
-void
+static void
 LinuxDriverExit(void)
 {
    unregister_chrdev(VNET_MAJOR_NUMBER, "vmnet");
diff --git a/vmnet-only/vnetInt.h b/vmnet-only/vnetInt.h
index f6a90a13..e76dcf5c 100644
--- a/vmnet-only/vnetInt.h
+++ b/vmnet-only/vnetInt.h
@@ -218,6 +218,13 @@ extern int VNetProc_Init(void);
 
 extern void VNetProc_Cleanup(void);
 
+int VNetNetIf_Create(char *devName, VNetPort **ret, int hubNum);
+int VNetUserIf_Create(VNetPort **ret);
+int VNetBridge_Create(const char *devName, uint32 flags, VNetJack *hubJack,
+		      VNetPort **ret);
+int VNetUserListener_Create(uint32 classMask, VNetJack *hubJack,
+			    VNetPort **port);
+
 
 /*
  *----------------------------------------------------------------------