Improve Makefile

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Add missing put_net() for refcount

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Cleanup tcp4 hijack detection code

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Cleanup syscall hijack detection code

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Cleanup proc hijack detection code

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Fix: wrong check on ret value in /proc detection

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Fix: set header namespace to use KJACKAL_ prefix

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Set kj_ namespace to all function calls

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Rename DMESG macro to KJ_DMESG for namespacing

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Fix some comments

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Use defines for kernel function symbol

Signed-off-by: David Goulet <dgoulet@ev0ke.net>