From: Thomas Monjalon <thomas@monjalon.net>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] net: improve vlan header type alignment
Date: Fri, 18 Oct 2024 11:11:18 +0200 [thread overview]
Message-ID: <15105967.O6BkTfRZtg@thomas> (raw)
In-Reply-To: <20241013083554.97489-1-mb@smartsharesystems.com>
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@smartsharesystems.com>
Applied, thanks.
prev parent reply other threads:[~2024-10-18 9:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-13 8:35 Morten Brørup
2024-10-13 8:51 ` Morten Brørup
2024-10-14 5:42 ` fengchengwen
2024-10-14 8:04 ` Bruce Richardson
2024-10-17 20:44 ` Thomas Monjalon
2024-10-17 23:41 ` Morten Brørup
2024-10-18 9:11 ` Thomas Monjalon [this message]
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