[PATCH] net: improve vlan header type alignment
Thomas Monjalon
thomas at monjalon.net
Fri Oct 18 11:11:18 CEST 2024
13/10/2024 10:35, Morten Brørup:
> Ethernet packets can be VLAN tagged, i.e. an Ethernet header can have a
> VLAN tag (a.k.a. VLAN header) embedded.
> Since the Ethernet header is 2 byte aligned, and the VLAN tag is directly
> related to the Ethernet header, the VLAN tag is also 2 byte aligned, so
> packing the VLAN tag structure is not necessary.
>
> Furthermore, the Ethernet header type is implictly 2 byte aligned, so
> removed the superfluous explicit 2 byte alignment.
>
> Added static_asserts to verify the size and alignment of the various
> Ethernet types.
>
> Signed-off-by: Morten Brørup <mb at smartsharesystems.com>
Applied, thanks.
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