[dpdk-dev] [PATCH v2 13/17] net/ionic: add RX and TX handling

[Ferruh Yigit]

On 10/15/2019 9:22 AM, Alfredo Cardigliano wrote:
> Add RX and TX queues setup and handling.
> 
> Signed-off-by: Alfredo Cardigliano <cardigliano at ntop.org>
> Reviewed-by: Shannon Nelson <snelson at pensando.io>

<...>

> @@ -502,6 +614,8 @@ eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
>  	ionic_lif_free(lif);
>  
>  	eth_dev->dev_ops = NULL;
> +	eth_dev->rx_pkt_burst = NULL;
> +	eth_dev->tx_pkt_burst = NULL;

Can null 'tx_pkt_prepare' too.

<...>

> +	/* Vlan Strip */
> +	if (cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_VLAN) {
> +		pkt_flags |= PKT_RX_VLAN_STRIPPED;

It looks like VLAN offload is also supported, you can announce this in .ini file.

> +		rxm->vlan_tci = cq_desc->vlan_tci;

Need to set 'PKT_RX_VLAN' to say 'vlan_tci' has a valid value.

> +	}
> +
> +	/* Checksum */
> +	if (cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_CALC) {
> +		if (cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_IP_OK)
> +			pkt_flags |= PKT_RX_IP_CKSUM_GOOD;
> +		else if (cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_IP_BAD)
> +			pkt_flags |= PKT_RX_IP_CKSUM_BAD;
> +
> +		if ((cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_TCP_OK) ||
> +			(cq_desc->csum_flags & IONIC_RXQ_COMP_CSUM_F_UDP_OK))
> +			pkt_flags |= PKT_RX_L4_CKSUM_GOOD;
> +		else if ((cq_desc->csum_flags &
> +				IONIC_RXQ_COMP_CSUM_F_TCP_BAD) ||
> +				(cq_desc->csum_flags &
> +				IONIC_RXQ_COMP_CSUM_F_UDP_BAD))
> +			pkt_flags |= PKT_RX_L4_CKSUM_BAD;
> +	}

if 'L3 checksum offload' is also supported, you can document that too (in .ini file)