"Michael S. Tsirkin" <[email protected]> writes: > Multiple places in the net stack open-code the same minimal IPv4 header > validation: pull the fixed header, check version 4 and IHL >= 5 (where 5 > is the fixed header size in 32-bit units) - and locate the transport > header at IHL * 4 past the network header. > > Add a helper for doing that: it returns the validated header and > the transport header offset, or NULL if truncated or malformed. > > Signed-off-by: Michael S. Tsirkin <[email protected]> > Assisted-by: LLM
Reviewed-by: Björn Töpel <[email protected]>

