Linux Kernel Compilation Error: 'NFPROTO_NETDEV' undeclared and 'struct netns_nf' missing 'hooks' member

The provided error messages indicate problems within the /root/tyton-master/src/netfilter_hooks.c file during Linux kernel module compilation. Here's a breakdown of the errors and solutions:

1. 'NFPROTO_NETDEV' undeclared:

This error usually arises from missing the necessary header file. Include the following line at the beginning of your /root/tyton-master/src/netfilter_hooks.c file to resolve this issue:

#include <linux/netfilter.h>

2. 'struct netns_nf' has no member named 'hooks':

This error suggests an incompatibility with the current kernel version. The hooks member might be missing in the struct netns_nf definition for your kernel. Double-check the kernel version used for compilation against the code's requirements. If necessary, consider updating your kernel or adapting the code to work with the current version.

3. Warning: assignment from incompatible pointer type:

This warning indicates a potential mismatch in data types between the pointer assigned to hook_list and the variable's declared type. To address this, review the declaration of hook_list and ensure it matches the return type of nf_find_hook_list. Adjust the declaration to the correct pointer type if needed.

After incorporating these modifications, re-run the make command to attempt compilation again. If any further errors or warnings persist, troubleshoot them individually based on their specific details.