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Date: Sun, 29 Mar 2026 15:11:47 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Joe Damato <joe@dama.to>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>, Eric
 Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>,
 andrew+netdev@lunn.ch, horms@kernel.org, michael.chan@broadcom.com,
 pavan.chebbi@broadcom.com, linux-kernel@vger.kernel.org, leon@kernel.org
Subject: Re: [net-next v6 01/12] net: tso: Introduce tso_dma_map
Message-ID: <20260329151147.6d2fc8e0@kernel.org>
In-Reply-To: <20260326235238.2940471-2-joe@dama.to>
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	<20260326235238.2940471-2-joe@dama.to>
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On Thu, 26 Mar 2026 16:52:20 -0700 Joe Damato wrote:
> Add struct tso_dma_map to tso.h for tracking DMA addresses of mapped
> GSO payload data.
> 
> The struct combines DMA mapping storage with iterator state, allowing
> drivers to walk pre-mapped DMA regions linearly. Includes fields for
> the DMA IOVA path (iova_state, iova_offset, total_len) and a fallback
> per-region path (linear_dma, frags[], frag_idx, offset).
> 
> Helpers to initialize and operate on this struct will be added in the
> next commit.

Let's squash this with patch 2? Quite useful to see the struct when
reviewing the code..