linux-kernel - RE: [Intel-wired-lan] [PATCH iwl-next v2 5/5] ice: add support for transmitting unreadable frags

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Message-ID: <LV1PR11MB8790CF7EC6550B83E1A037609066A@LV1PR11MB8790.namprd11.prod.outlook.com>
Date: Fri, 6 Feb 2026 16:27:33 +0000
From: "Nowlin, Alexander" <alexander.nowlin@...el.com>
To: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, "Jakub
 Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
	<horms@...nel.org>, "Keller, Jacob E" <jacob.e.keller@...el.com>, "Loktionov,
 Aleksandr" <aleksandr.loktionov@...el.com>, NXNE CNSE OSDT ITP Upstreaming
	<nxne.cnse.osdt.itp.upstreaming@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v2 5/5] ice: add support for
 transmitting unreadable frags

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Alexander Lobakin
> Sent: Thursday, December 4, 2025 7:52 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Lobakin, Aleksander <aleksander.lobakin@...el.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>; Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>; Andrew Lunn <andrew+netdev@...n.ch>;
> David S. Miller <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; Simon Horman <horms@...nel.org>; Keller, Jacob E
> <jacob.e.keller@...el.com>; Loktionov, Aleksandr <aleksandr.loktionov@...el.com>; NXNE CNSE OSDT ITP Upstreaming <nxne.cnse.osdt.itp.upstreaming@...el.com>; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 5/5] ice: add support for transmitting unreadable frags
> 
> Advertise netmem Tx support in ice. The only change needed is to set ICE_TX_BUF_FRAG conditionally, only when skb_frag_is_net_iov() is false. Otherwise, the Tx buffer type will be ICE_TX_BUF_EMPTY and the > driver will skip the DMA unmapping operation.
> 
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c   |  1 +
>  drivers/net/ethernet/intel/ice/ice_sf_eth.c |  1 +
>  drivers/net/ethernet/intel/ice/ice_txrx.c   | 17 +++++++++++++----
>  3 files changed, 15 insertions(+), 4 deletions(-)

Tested-by: Alexander Nowlin <alexander.nowlin@...el.com>