net/e1000: report Tx multi segment offload

This feature has been confirmed with testpmd:
testpmd> set fwd txonly
testpmd> port stop all
testpmd> port config all txd 1024
testpmd> set txsplit on
testpmd> set txpkts 70,80,90,100
testpmd> start
It can be observed at peer port that UDP packets
with UDP data length 298 bytes.

Signed-off-by: Wei Dai <wei.dai@intel.com>

diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 128ed0b..5f729f2 100644 (file)
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1460,7 +1460,8 @@ igb_get_tx_port_offloads_capa(struct rte_eth_dev *dev)
                          DEV_TX_OFFLOAD_UDP_CKSUM   |
                          DEV_TX_OFFLOAD_TCP_CKSUM   |
                          DEV_TX_OFFLOAD_SCTP_CKSUM  |
-                         DEV_TX_OFFLOAD_TCP_TSO;
+                         DEV_TX_OFFLOAD_TCP_TSO     |
+                         DEV_TX_OFFLOAD_MULTI_SEGS;
 
        return rx_offload_capa;
 }