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From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
To: Kamil Maziarz <kamil.maziarz@intel.com>
Cc: intel-wired-lan@lists.osuosl.org
Subject: Re: [Intel-wired-lan] [PATCH iwl-net v2] ice: Fix XDP memory leak when NIC is brought up and down
Date: Tue, 6 Jun 2023 19:29:55 +0200	[thread overview]
Message-ID: <ZH9tE7bGwdrHnjrT@boxer> (raw)
In-Reply-To: <20230606103358.10632-1-kamil.maziarz@intel.com>

On Tue, Jun 06, 2023 at 12:33:58PM +0200, Kamil Maziarz wrote:
> Fix the buffer leak that occurs while switching
> the port up and down with traffic and XDP by
> checking for an active XDP program and freeing all empty TX buffers.
> 
> Fixes: efc2214b6047 ("ice: Add support for XDP")
> Signed-off-by: Kamil Maziarz <kamil.maziarz@intel.com>

Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>

thanks! this has been hiding there for a while.

> ---
> v2: new Fixes tag
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
> index a1f7c8edc22f..03513d4871ab 100644
> --- a/drivers/net/ethernet/intel/ice/ice_main.c
> +++ b/drivers/net/ethernet/intel/ice/ice_main.c
> @@ -7056,6 +7056,10 @@ int ice_down(struct ice_vsi *vsi)
>  	ice_for_each_txq(vsi, i)
>  		ice_clean_tx_ring(vsi->tx_rings[i]);
>  
> +	if (ice_is_xdp_ena_vsi(vsi))
> +		ice_for_each_xdp_txq(vsi, i)
> +			ice_clean_tx_ring(vsi->xdp_rings[i]);
> +
>  	ice_for_each_rxq(vsi, i)
>  		ice_clean_rx_ring(vsi->rx_rings[i]);
>  
> -- 
> 2.31.1
> 
> _______________________________________________
> Intel-wired-lan mailing list
> Intel-wired-lan@osuosl.org
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      reply	other threads:[~2023-06-06 17:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-06 10:33 [Intel-wired-lan] [PATCH iwl-net v2] ice: Fix XDP memory leak when NIC is brought up and down Kamil Maziarz
2023-06-06 17:29 ` Maciej Fijalkowski [this message]

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