[PATCH] net/ice: gate send on timestamp offload to E830

[Bruce Richardson]

On Sat, Jul 04, 2026 at 05:28:06PM +0530, Soumyadeep Hore wrote:
> The SEND_ON_TIMESTAMP TX offload capability was unconditionally
> advertised for all ice devices in non-safe mode. However, only E830
> hardware supports TxPP (Tx Packet Pacing) via the TXTIME queue
> mechanism. E810 and other ice devices correctly reject the offload
> at queue setup time (ice_tx_queue_setup checks hw->phy_model), but
> advertising the capability misleads applications into thinking the
> feature is available.
> 
> Gate the SEND_ON_TIMESTAMP capability advertisement on
> hw->phy_model == ICE_PHY_E830 so that only devices which actually
> support TxPP report the capability.
> 
> Signed-off-by: Soumyadeep Hore <soumyadeep.hore at intel.com>
> ---

Fixes: 0b6ff09a1f19 ("net/intel: support Tx packet pacing for E830")

Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Applied to dpdk-next-net-intel.
Thanks,
/Bruce


>  drivers/net/intel/ice/ice_ethdev.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/intel/ice/ice_ethdev.c b/drivers/net/intel/ice/ice_ethdev.c
> index 0f2e7aee14..030d53aded 100644
> --- a/drivers/net/intel/ice/ice_ethdev.c
> +++ b/drivers/net/intel/ice/ice_ethdev.c
> @@ -4568,8 +4568,10 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
>  			RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
>  			RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO |
>  			RTE_ETH_TX_OFFLOAD_IPIP_TNL_TSO |
> -			RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO |
> -			RTE_ETH_TX_OFFLOAD_SEND_ON_TIMESTAMP;
> +			RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO;
> +		if (hw->phy_model == ICE_PHY_E830)
> +			dev_info->tx_offload_capa |=
> +				RTE_ETH_TX_OFFLOAD_SEND_ON_TIMESTAMP;
>  		dev_info->flow_type_rss_offloads |= ICE_RSS_OFFLOAD_ALL;
>  	}
>  
> -- 
> 2.34.1
>