From: Leon Romanovsky <leon@kernel.org>
To: jgg@ziepe.ca, Abhijit Gangurde <abhijit.gangurde@amd.com>
Cc: allen.hubbe@amd.com, nikhil.agarwal@amd.com,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH 1/1] RDMA/ionic: Preserve and set Ethernet source MAC after ib_ud_header_init()
Date: Mon, 02 Mar 2026 14:42:25 -0500 [thread overview]
Message-ID: <177248054555.993928.15778358538433900026.b4-ty@kernel.org> (raw)
In-Reply-To: <20260227061809.2979990-1-abhijit.gangurde@amd.com>
On Fri, 27 Feb 2026 11:48:09 +0530, Abhijit Gangurde wrote:
> ionic_build_hdr() populated the Ethernet source MAC (hdr->eth.smac_h) by
> passing the header’s storage directly to rdma_read_gid_l2_fields().
> However, ib_ud_header_init() is called after that and re-initializes the
> UD header, which wipes the previously written smac_h. As a result, packets
> are emitted with an zero source MAC address on the wire.
>
> Correct the source MAC by reading the GID-derived smac into a temporary
> buffer and copy it after ib_ud_header_init() completes.
>
> [...]
Applied, thanks!
[1/1] RDMA/ionic: Preserve and set Ethernet source MAC after ib_ud_header_init()
https://git.kernel.org/rdma/rdma/c/cbbdb148c62814
Best regards,
--
Leon Romanovsky <leon@kernel.org>
next prev parent reply other threads:[~2026-03-02 19:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-27 6:18 Abhijit Gangurde
2026-03-02 19:42 ` Leon Romanovsky [this message]
2026-07-07 9:55 [PATCH v3 0/1] cdx: register shutdown callback for cdx controller Abhijit Gangurde
2026-07-07 9:55 ` [PATCH 1/1] RDMA/ionic: Preserve and set Ethernet source MAC after ib_ud_header_init() Abhijit Gangurde
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