Re: [dpdk-dev] [PATCH] net/ring: advertise multi segment support.

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 9/18/2020 11:36 AM, Dumitru Ceara wrote:
> Even though ring interfaces don't support any other TX/RX offloads they
> do support sending multi segment packets and this should be advertised
> in order to not break applications that use ring interfaces.
 >

Does ring PMD support sending multi segmented packets?

As far as I can see ring PMD doesn't know about the mbuf segments.

> 
> Signed-off-by: Dumitru Ceara <dceara@redhat.com>
> ---
>   drivers/net/ring/rte_eth_ring.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
> index 733c898..59d1e67 100644
> --- a/drivers/net/ring/rte_eth_ring.c
> +++ b/drivers/net/ring/rte_eth_ring.c
> @@ -160,6 +160,7 @@ struct pmd_internals {
>   	dev_info->max_mac_addrs = 1;
>   	dev_info->max_rx_pktlen = (uint32_t)-1;
>   	dev_info->max_rx_queues = (uint16_t)internals->max_rx_queues;
> +	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MULTI_SEGS;
>   	dev_info->max_tx_queues = (uint16_t)internals->max_tx_queues;
>   	dev_info->min_rx_bufsize = 0;
>   
>