[dpdk-dev] [PATCH] net/thunderx: Convert ThunderX VNIC PMD to new offload API

[Ferruh Yigit]

On 1/3/2018 1:12 PM, maciej.czekaj at caviumnetworks.com wrote:
> From: Maciej Czekaj <maciej.czekaj at caviumnetworks.com>
> 
> This patch removes all references to old-style offload API
> replacing them with new offload flags.
> 
> Signed-off-by: Maciej Czekaj <maciej.czekaj at caviumnetworks.com>

<...>

>  
>  	dev_info->default_txconf = (struct rte_eth_txconf) {
>  		.tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH,
> -		.txq_flags =
> -			ETH_TXQ_FLAGS_NOMULTSEGS  |
> -			ETH_TXQ_FLAGS_NOREFCOUNT  |
> -			ETH_TXQ_FLAGS_NOMULTMEMP  |
> -			ETH_TXQ_FLAGS_NOVLANOFFL  |
> -			ETH_TXQ_FLAGS_NOXSUMSCTP,
> +		.txq_flags = ETH_TXQ_FLAGS_IGNORE,

I am not sure about this, Shahafs may comment better, shouldn't application
decide to set "ETH_TXQ_FLAGS_IGNORE" or not, instead of having this in default
configuration?

<...>

> +	if ((conf_tx_offloads & tx_offload_capa) != conf_tx_offloads) {
> +		PMD_INIT_LOG(ERR, "Some Tx offloads are not supported "
> +		      "requested 0x%lx supported 0x%lx\n",
> +		      conf_tx_offloads, tx_offload_capa);

This is broken for 32bits, using PRIx64 instead of "lx" makes your code more
portable.