Re: [net-next v10 00/10] Add TSO map-once DMA helpers and bnxt SW USO support

From: patchwork-bot+netdevbpf

Date: Sun Apr 12 2026 - 14:10:58 EST


Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Wed, 8 Apr 2026 16:05:49 -0700 you wrote:
> Greetings:
>
> This series extends net/tso to add a data structure and some helpers allowing
> drivers to DMA map headers and packet payloads a single time. The helpers can
> then be used to reference slices of shared mapping for each segment. This
> helps to avoid the cost of repeated DMA mappings, especially on systems which
> use an IOMMU. N per-packet DMA maps are replaced with a single map for the
> entire GSO skb. As of v3, the series uses the DMA IOVA API (as suggested by
> Leon [1]) and provides a fallback path when an IOMMU is not in use. The DMA
> IOVA API provides even better efficiency than the v2; see below.
>
> [...]

Here is the summary with links:
- [net-next,v10,01/10] net: tso: Introduce tso_dma_map and helpers
https://git.kernel.org/netdev/net-next/c/82db77f6fb16
- [net-next,v10,02/10] net: bnxt: Export bnxt_xmit_get_cfa_action
https://git.kernel.org/netdev/net-next/c/268c63f2c6b2
- [net-next,v10,03/10] net: bnxt: Add a helper for tx_bd_ext
https://git.kernel.org/netdev/net-next/c/637237d3d93c
- [net-next,v10,04/10] net: bnxt: Use dma_unmap_len for TX completion unmapping
https://git.kernel.org/netdev/net-next/c/3cb430e62c83
- [net-next,v10,05/10] net: bnxt: Add TX inline buffer infrastructure
https://git.kernel.org/netdev/net-next/c/0c26a0e765e7
- [net-next,v10,06/10] net: bnxt: Add boilerplate GSO code
https://git.kernel.org/netdev/net-next/c/0440e27eedac
- [net-next,v10,07/10] net: bnxt: Implement software USO
https://git.kernel.org/netdev/net-next/c/cc5d90667db8
- [net-next,v10,08/10] net: bnxt: Add SW GSO completion and teardown support
https://git.kernel.org/netdev/net-next/c/87550ba2dc39
- [net-next,v10,09/10] net: bnxt: Dispatch to SW USO
https://git.kernel.org/netdev/net-next/c/28f2c22398fb
- [net-next,v10,10/10] selftests: drv-net: Add USO test
https://git.kernel.org/netdev/net-next/c/5d3b12d1a24b

You are awesome, thank you!
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