[Bug 2092078] [NEW] r8168-dkms FTBS in Noble with linux-6.11-hwe kernel

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You have been subscribed to a public bug by Ubuntu Foundations Team Bug Bot (crichton):

[ Impact ]

r8168-dkms does not compile from source in Noble with kernel 6.11:

/var/lib/dkms/r8168/8.052.01/build/r8168_n.c:7978:20: error: initialization of ‘int (*)(struct net_device *, struct ethtool_keee *)’ from incompatible pointer type ‘int (*)(struct net_device *, struct ethtool_eee *)’ [-Werror=incompatible-pointer-types]
 7978 |         .get_eee = rtl_ethtool_get_eee,
      |                    ^~~~~~~~~~~~~~~~~~~
/var/lib/dkms/r8168/8.052.01/build/r8168_n.c:7978:20: note: (near initialization for ‘rtl8168_ethtool_ops.get_eee’)
/var/lib/dkms/r8168/8.052.01/build/r8168_n.c:7979:20: error: initialization of ‘int (*)(struct net_device *, struct ethtool_keee *)’ from incompatible pointer type ‘int (*)(struct net_device *, struct ethtool_eee *)’ [-Werror=incompatible-pointer-types]
 7979 |         .set_eee = rtl_ethtool_set_eee,
      |                    ^~~~~~~~~~~~~~~~~~~
/var/lib/dkms/r8168/8.052.01/build/r8168_n.c:7979:20: note: (near initialization for ‘rtl8168_ethtool_ops.set_eee’)

[ Test case ]

Install the latest linux-6.11 kernel on Noble:

$ sudo add-apt-repository ppa:canonical-kernel-team/ppa
$ sudo apt update
$ sudo apt install linux-image-6.11.0-12-generic \
                   linux-modules-6.11.0-12-generic \
                   linux-modules-extra-6.11.0-12-generic \
                   linux-headers-6.11.0-12-generic

Install r8168-dkms:

$ sudo apt install r8168-dkms

Load the module:

$ sudo modprobe r8168

The same procedure should be repeated on linux-6.8 to test for possible
regressions.

[ Fix ]

Patch the code to properly support the new linux 6.11 ABI.

[ Regression potential ]

A possible regression is possible in systems using r8168-dkms with the
new 6.11 kernel

** Affects: r8168 (Ubuntu)
     Importance: Undecided
     Assignee: Massimiliano Pellizzer (mpellizzer)
         Status: In Progress

** Affects: r8168 (Ubuntu Noble)
     Importance: Undecided
     Assignee: Massimiliano Pellizzer (mpellizzer)
         Status: In Progress


** Tags: patch
-- 
r8168-dkms FTBS in Noble with linux-6.11-hwe kernel
https://bugs.launchpad.net/bugs/2092078
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