From: fengchengwen <fengchengwen@huawei.com>
To: "Morten Brørup" <mb@smartsharesystems.com>, dev@dpdk.org
Subject: Re: [PATCH] net: improve vlan header type alignment
Date: Mon, 14 Oct 2024 13:42:41 +0800 [thread overview]
Message-ID: <30fa9ea2-d80d-4690-b5f2-9ac28d6e5fff@huawei.com> (raw)
In-Reply-To: <20241013083554.97489-1-mb@smartsharesystems.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
On 2024/10/13 16:35, Morten Brørup wrote:
> 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>
next prev parent reply other threads:[~2024-10-14 5:42 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 [this message]
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
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