[dpdk-dev] [PATCH v2] examples/flow_filtering: add Tx queues setup process

[Ferruh Yigit]

On 12/27/2017 8:32 AM, Wei Zhao wrote:
> This example do not has the process of set up tx queues, but
> some NIC start up process will be blocked if this is no tx queue
> and only rx queues. So add tx queues setup process in main code.
> 
> Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>

<...>

> @@ -149,7 +149,18 @@ init_port(void)
>  			/**< CRC stripped by hardware */
>  			.hw_strip_crc   = 1,
>  		},
> +		.txmode = {
> +			.offloads =
> +				DEV_TX_OFFLOAD_VLAN_INSERT |
> +				DEV_TX_OFFLOAD_IPV4_CKSUM  |
> +				DEV_TX_OFFLOAD_UDP_CKSUM   |
> +				DEV_TX_OFFLOAD_TCP_CKSUM   |
> +				DEV_TX_OFFLOAD_SCTP_CKSUM  |
> +				DEV_TX_OFFLOAD_TCP_TSO,
> +		},
>  	};
> +	struct rte_eth_txconf txq_conf;
> +	struct rte_eth_dev_info dev_info;
>  
>  	printf(":: initializing port: %d\n", port_id);
>  	ret = rte_eth_dev_configure(port_id,
> @@ -173,6 +184,21 @@ init_port(void)
>  		}
>  	}
>  
> +	rte_eth_dev_info_get(port_id, &dev_info);
> +	txq_conf = dev_info.default_txconf;
> +	txq_conf.offloads = port_conf.txmode.offloads;

Hi Wei, Shahaf,

When new offload method used for txmode, shouldn't ETH_TXQ_FLAGS_IGNORE set,
otherwise txq_flags assumed to have valid values, no?