RE: [PATCH net-next] net: mana: Extend RX CQE coalescing up to 8 packets

[Haiyang Zhang]

> -----Original Message-----
> From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxxxxxxxx>
> Sent: Wednesday, July 29, 2026 6:52 PM
> To: linux-hyperv@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; KY Srinivasan
> <kys@xxxxxxxxxxxxx>; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>; Wei Liu
> <wei.liu@xxxxxxxxxx>; Dexuan Cui <DECUI@xxxxxxxxxxxxx>; Long Li
> <longli@xxxxxxxxxxxxx>; Andrew Lunn <andrew+netdev@xxxxxxx>; David S.
> Miller <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub
> Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>; Konstantin
> Taranov <kotaranov@xxxxxxxxxxxxx>; Simon Horman <horms@xxxxxxxxxx>; Erni
> Sri Satya Vennela <ernis@xxxxxxxxxxxxxxxxxxx>; Dipayaan Roy
> <dipayanroy@xxxxxxxxxxxxxxxxxxx>; Aditya Garg
> <gargaditya@xxxxxxxxxxxxxxxxxxx>; Breno Leitao <leitao@xxxxxxxxxx>; linux-
> kernel@xxxxxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx
> Cc: Paul Rosswurm <paulros@xxxxxxxxxxxxx>
> Subject: [PATCH net-next] net: mana: Extend RX CQE coalescing up to 8
> packets
> 
> From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> 
> To support up to 8 packets per CQE, put two packet lengths and
> hash values into one PPI entry by using the reserved fields.
> Update ethtool handlers to set this feature.
> Update per queue stat to show the coalesced CQE counters.
> This feature is supported on NIC hardware showing the relevant
> PF flag.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 137 ++++++++++++------
>  .../ethernet/microsoft/mana/mana_ethtool.c    |  30 +++-
>  include/net/mana/gdma.h                       |   4 +
>  include/net/mana/mana.h                       |  43 ++++--
>  4 files changed, 150 insertions(+), 64 deletions(-)

I submitted v2 based on the AI review.