> > [...] > > > > > > > ******************************************************************** > > > ** / @@ -2290,6 +2369,7 @@ ixgbe_set_tx_function(struct rte_eth_dev > > > *dev, struct ixgbe_tx_queue *txq) > > > } else > > > #endif > > > dev->tx_pkt_burst = ixgbe_xmit_pkts_simple; > > > + dev->tx_pkt_prep = ixgbe_prep_pkts_simple; > > > > Shouldn't we setup ixgbe_prep_pkts_simple when vTX is selected too? > > > > > It is, but source code is formatted like below: > > #ifdef RTE_IXGBE_INC_VECTOR > if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ && > (rte_eal_process_type() != RTE_PROC_PRIMARY || > ixgbe_txq_vec_setup(txq) == 0)) { > PMD_INIT_LOG(DEBUG, "Vector tx enabled."); > dev->tx_pkt_burst = ixgbe_xmit_pkts_vec;
Yep, so I thought we need a: dev->tx_pkt_prep = ixgbe_prep_pkts_simple; here too, no? Konstantin > } else > #endif > dev->tx_pkt_burst = ixgbe_xmit_pkts_simple; > dev->tx_pkt_prep = ixgbe_prep_pkts_simple; > > > > > } else { > > > PMD_INIT_LOG(DEBUG, "Using full-featured tx code path"); > > > PMD_INIT_LOG(DEBUG, > > > @@ -2301,6 +2381,7 @@ ixgbe_set_tx_function(struct rte_eth_dev *dev, > > struct ixgbe_tx_queue *txq) > > > (unsigned long)txq->tx_rs_thresh, > > > (unsigned long)RTE_PMD_IXGBE_TX_MAX_BURST); > > > dev->tx_pkt_burst = ixgbe_xmit_pkts; > > > + dev->tx_pkt_prep = ixgbe_prep_pkts; > > > } > > > } > > > > > > diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h > > > b/drivers/net/ixgbe/ixgbe_rxtx.h index 2608b36..7bbd9b8 100644 > > > --- a/drivers/net/ixgbe/ixgbe_rxtx.h > > > +++ b/drivers/net/ixgbe/ixgbe_rxtx.h > > > @@ -80,6 +80,8 @@ > > > #define RTE_IXGBE_WAIT_100_US 100 > > > #define RTE_IXGBE_VMTXSW_REGISTER_COUNT 2 > > > > > > +#define IXGBE_TX_MAX_SEG 40 > > > + > > > #define IXGBE_PACKET_TYPE_MASK_82599 0X7F > > > #define IXGBE_PACKET_TYPE_MASK_X550 0X10FF > > > #define IXGBE_PACKET_TYPE_MASK_TUNNEL 0XFF > > > -- > > > 1.7.9.5 > > Tomasz.