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 <dce...@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;

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