Re: [dpdk-dev] [PATCH v2 5/5] ethdev: remove old offload API

[Shahaf Shuler <shahafs@mellanox.com>]

Tuesday, July 3, 2018 12:28 AM, Thomas Monjalon:
> Subject: [PATCH v2 5/5] ethdev: remove old offload API
> 
> From: Ferruh Yigit <ferruh.yigit@intel.com>
> 
> In DPDK 17.11, the ethdev offloads API has changed:
> 	commit cba7f53b717d ("ethdev: introduce Tx queue offloads API")
> 	commit ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
> The new API is documented in the programmer's guide:
> 	https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F
> %2Fdoc.dpdk.org%2Fguides%2Fprog_guide%2Fpoll_mode_drv.html%23hard
> ware-
> offload&data=02%7C01%7Cshahafs%40mellanox.com%7C0c0f5c75aed84da0
> 5ccc08d5e062b33f%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C63
> 6661636877193949&sdata=9SQ%2FdCvdcCsAz1u1DLHCCG8qkGJ1PdxkmMZE
> CEpowLg%3D&reserved=0
> 
> For reminder, the main concepts in the new API were:
> 	- All offloads are disabled by default
> 	- Distinction between per port and per queue offloads.
> 
> The transition bits are now removed:
> 	- Translation of the old API in ethdev
> 	- rte_eth_conf.rxmode.ignore_offload_bitfield
> 	- ETH_TXQ_FLAGS_IGNORE
> 
> The old API bits are now removed:
> 	- Rx per-port rte_eth_conf.rxmode.[bit-fields]
> 	- Tx per-queue rte_eth_txconf.txq_flags
> 	- ETH_TXQ_FLAGS_NO*
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>

Reviewed by: Shahaf Shuler <shahafs@mellanox.com> 

Thanks for this big work. 

> ---
>  app/test-eventdev/test_pipeline_common.c      |   1 -
>  app/test-pmd/testpmd.c                        |   3 -
>  doc/guides/nics/features.rst                  |   1 -
>  doc/guides/prog_guide/poll_mode_drv.rst       |   5 -
>  doc/guides/rel_notes/deprecation.rst          |   9 --
>  doc/guides/sample_app_ug/flow_filtering.rst   |   2 -
>  drivers/net/axgbe/axgbe_ethdev.c              |   2 -
>  drivers/net/axgbe/axgbe_rxtx.c                |   4 +-
>  drivers/net/ixgbe/ixgbe_rxtx.c                |   2 +-
>  drivers/net/nfp/nfp_net.c                     |   4 +-
>  drivers/net/qede/qede_ethdev.c                |   4 +-
>  drivers/net/sfc/sfc_dp_tx.h                   |   2 -
>  drivers/net/sfc/sfc_ethdev.c                  |   5 +-
>  drivers/net/sfc/sfc_rx.c                      |   1 -
>  drivers/net/sfc/sfc_tx.c                      |  25 +---
>  drivers/net/sfc/sfc_tx.h                      |   1 -
>  drivers/net/virtio/virtio_ethdev.c            |   3 -
>  drivers/net/vmxnet3/vmxnet3_ethdev.c          |   1 -
>  examples/bond/main.c                          |   3 -
>  examples/distributor/main.c                   |   2 -
>  examples/ethtool/ethtool-app/main.c           |   2 -
>  examples/eventdev_pipeline/main.c             |   2 -
>  examples/exception_path/main.c                |   2 -
>  examples/flow_classify/flow_classify.c        |   2 -
>  examples/flow_filtering/main.c                |   1 -
>  examples/ip_fragmentation/main.c              |   2 -
>  examples/ip_reassembly/main.c                 |   2 -
>  examples/ipsec-secgw/ipsec-secgw.c            |   2 -
>  examples/ipv4_multicast/main.c                |   2 -
>  examples/kni/main.c                           |   2 -
>  examples/l2fwd-crypto/main.c                  |   2 -
>  examples/l2fwd-jobstats/main.c                |   2 -
>  examples/l2fwd-keepalive/main.c               |   2 -
>  examples/l2fwd/main.c                         |   2 -
>  examples/l3fwd-acl/main.c                     |   2 -
>  examples/l3fwd-power/main.c                   |   2 -
>  examples/l3fwd-vf/main.c                      |   2 -
>  examples/l3fwd/main.c                         |   2 -
>  examples/link_status_interrupt/main.c         |   2 -
>  examples/load_balancer/init.c                 |   2 -
>  examples/multi_process/l2fwd_fork/main.c      |   2 -
>  examples/multi_process/symmetric_mp/main.c    |   2 -
>  examples/netmap_compat/bridge/bridge.c        |   1 -
>  examples/netmap_compat/lib/compat_netmap.c    |   1 -
>  examples/packet_ordering/main.c               |   7 +-
>  .../performance-thread/l3fwd-thread/main.c    |   2 -
>  examples/ptpclient/ptpclient.c                |   3 -
>  examples/qos_meter/main.c                     |   3 -
>  examples/qos_sched/init.c                     |   2 -
>  examples/quota_watermark/qw/init.c            |   2 -
>  examples/rxtx_callbacks/main.c                |   2 -
>  examples/server_node_efd/server/init.c        |   2 -
>  examples/skeleton/basicfwd.c                  |   2 -
>  examples/tep_termination/vxlan_setup.c        |   2 -
>  examples/vhost/main.c                         |   2 -
>  examples/vm_power_manager/main.c              |   2 -
>  examples/vmdq/main.c                          |   2 -
>  examples/vmdq_dcb/main.c                      |   2 -
>  lib/librte_ethdev/rte_ethdev.c                | 115 ------------------
>  lib/librte_ethdev/rte_ethdev.h                |  60 +--------
>  60 files changed, 13 insertions(+), 322 deletions(-)
> 
> diff --git a/app/test-eventdev/test_pipeline_common.c b/app/test-
> eventdev/test_pipeline_common.c
> index 719518ff3..3bc9d513d 100644
> --- a/app/test-eventdev/test_pipeline_common.c
> +++ b/app/test-eventdev/test_pipeline_common.c
> @@ -223,7 +223,6 @@ pipeline_ethdev_setup(struct evt_test *test, struct
> evt_options *opt)
>  			.mq_mode = ETH_MQ_RX_RSS,
>  			.max_rx_pkt_len = ETHER_MAX_LEN,
>  			.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
> -			.ignore_offload_bitfield = 1,
>  		},
>  		.rx_adv_conf = {
>  			.rss_conf = {
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index 63c2a5aca..dde7d43e3 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -334,7 +334,6 @@ lcoreid_t latencystats_lcore_id = -1;
>  struct rte_eth_rxmode rx_mode = {
>  	.max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame
> length. */
>  	.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
> -	.ignore_offload_bitfield = 1,
>  };
> 
>  struct rte_eth_txmode tx_mode = {
> @@ -1645,8 +1644,6 @@ start_port(portid_t pid)
>  			port->need_reconfig_queues = 0;
>  			/* setup tx queues */
>  			for (qi = 0; qi < nb_txq; qi++) {
> -				port->tx_conf[qi].txq_flags =
> -					ETH_TXQ_FLAGS_IGNORE;
>  				if ((numa_support) &&
>  					(txring_numa[pi] !=
> NUMA_NO_CONFIG))
>  					diag = rte_eth_tx_queue_setup(pi,
> qi,
> diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
> index ee89d6bfa..902ac160d 100644
> --- a/doc/guides/nics/features.rst
> +++ b/doc/guides/nics/features.rst
> @@ -577,7 +577,6 @@ Supports L4 checksum offload.
> 
>  * **[uses]     rte_eth_rxconf,rte_eth_rxmode**:
> ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM
> ``.
>  * **[uses]     rte_eth_txconf,rte_eth_txmode**:
> ``offloads:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM
> ,DEV_TX_OFFLOAD_SCTP_CKSUM``.
> -* **[uses]     user config**: ``dev_conf.rxmode.hw_ip_checksum``.
>  * **[uses]     mbuf**: ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
>    ``mbuf.ol_flags:PKT_TX_L4_NO_CKSUM`` | ``PKT_TX_TCP_CKSUM`` |
>    ``PKT_TX_SCTP_CKSUM`` | ``PKT_TX_UDP_CKSUM``.
> diff --git a/doc/guides/prog_guide/poll_mode_drv.rst
> b/doc/guides/prog_guide/poll_mode_drv.rst
> index af82352a0..4b69f6cbe 100644
> --- a/doc/guides/prog_guide/poll_mode_drv.rst
> +++ b/doc/guides/prog_guide/poll_mode_drv.rst
> @@ -328,11 +328,6 @@ A newly added offloads in ``[rt]x_conf->offloads`` to
> ``rte_eth_[rt]x_queue_setu
>  is the one which hasn't been enabled in ``rte_eth_dev_configure()`` and is
> requested to be enabled
>  in ``rte_eth_[rt]x_queue_setup()``. It must be per-queue type, otherwise
> trigger an error log.
> 
> -For an application to use the Tx offloads API it should set the
> ``ETH_TXQ_FLAGS_IGNORE`` flag in the ``txq_flags`` field located in
> ``rte_eth_txconf`` struct.
> -In such cases it is not required to set other flags in ``txq_flags``.
> -For an application to use the Rx offloads API it should set the
> ``ignore_offload_bitfield`` bit in the ``rte_eth_rxmode`` struct.
> -In such cases it is not required to set other bitfield offloads in the ``rxmode``
> struct.
> -
>  Poll Mode Driver API
>  --------------------
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index cd128ae23..8df41cb6a 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -58,15 +58,6 @@ Deprecation Notices
>    experimental API ``rte_pktmbuf_attach_extbuf()`` is used. Removal of the
> macro
>    is to fix this semantic inconsistency.
> 
> -* ethdev: a new Tx and Rx offload API was introduced on 17.11.
> -  In the new API, offloads are divided into per-port and per-queue offloads.
> -  Offloads are disabled by default and enabled per application request.
> -
> -  In later releases the old offloading API will be deprecated, which will
> include:
> -  - removal of ``ETH_TXQ_FLAGS_NO*`` flags.
> -  - removal of ``txq_flags`` field from ``rte_eth_txconf`` struct.
> -  - removal of the offloads bit-field from ``rte_eth_rxmode`` struct.
> -
>  * ethdev: In v18.11 ``DEV_RX_OFFLOAD_CRC_STRIP`` offload flag will be
> removed, default
>    behavior without any flag will be changed to CRC strip.
>    To keep CRC ``DEV_RX_OFFLOAD_KEEP_CRC`` flag is required.
> diff --git a/doc/guides/sample_app_ug/flow_filtering.rst
> b/doc/guides/sample_app_ug/flow_filtering.rst
> index bbf8af0e6..bd0ae1e2f 100644
> --- a/doc/guides/sample_app_ug/flow_filtering.rst
> +++ b/doc/guides/sample_app_ug/flow_filtering.rst
> @@ -139,7 +139,6 @@ application is shown below:
>             struct rte_eth_conf port_conf = {
>                     .rxmode = {
>                             .split_hdr_size = 0,
> -                           .ignore_offload_bitfield = 1,
>                             .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>                             },
>                     .txmode = {
> @@ -216,7 +215,6 @@ The Ethernet port is configured with default settings
> using the
>     struct rte_eth_conf port_conf = {
>             .rxmode = {
>                     .split_hdr_size = 0,
> -                   .ignore_offload_bitfield = 1,
>                     .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>                     },
>             .txmode = {
> diff --git a/drivers/net/axgbe/axgbe_ethdev.c
> b/drivers/net/axgbe/axgbe_ethdev.c
> index e3773f4a2..c9c56c48b 100644
> --- a/drivers/net/axgbe/axgbe_ethdev.c
> +++ b/drivers/net/axgbe/axgbe_ethdev.c
> @@ -387,8 +387,6 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> 
>  	dev_info->default_txconf = (struct rte_eth_txconf) {
>  		.tx_free_thresh = AXGBE_TX_FREE_THRESH,
> -		.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
> -				ETH_TXQ_FLAGS_NOOFFLOADS,
>  	};
>  }
> 
> diff --git a/drivers/net/axgbe/axgbe_rxtx.c
> b/drivers/net/axgbe/axgbe_rxtx.c
> index eae830f2e..c5fd5f418 100644
> --- a/drivers/net/axgbe/axgbe_rxtx.c
> +++ b/drivers/net/axgbe/axgbe_rxtx.c
> @@ -371,10 +371,8 @@ int axgbe_dev_tx_queue_setup(struct rte_eth_dev
> *dev, uint16_t queue_idx,
>  	if (txq->nb_desc % txq->free_thresh != 0)
>  		txq->vector_disable = 1;
> 
> -	if ((tx_conf->txq_flags & (uint32_t)ETH_TXQ_FLAGS_NOOFFLOADS)
> !=
> -	    ETH_TXQ_FLAGS_NOOFFLOADS) {
> +	if (tx_conf->offloads != 0)
>  		txq->vector_disable = 1;
> -	}
> 
>  	/* Allocate TX ring hardware descriptors */
>  	tsize = txq->nb_desc * sizeof(struct axgbe_tx_desc);
> diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
> index 9f2e5f114..354181664 100644
> --- a/drivers/net/ixgbe/ixgbe_rxtx.c
> +++ b/drivers/net/ixgbe/ixgbe_rxtx.c
> @@ -1420,7 +1420,7 @@ rx_desc_status_to_pkt_flags(uint32_t rx_status,
> uint64_t vlan_flags)
>  	/*
>  	 * Check if VLAN present only.
>  	 * Do not check whether L3/L4 rx checksum done by NIC or not,
> -	 * That can be found from rte_eth_rxmode.hw_ip_checksum flag
> +	 * That can be found from rte_eth_rxmode.offloads flag
>  	 */
>  	pkt_flags = (rx_status & IXGBE_RXD_STAT_VP) ?  vlan_flags : 0;
> 
> diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
> index 5e3533901..30d3cd97b 100644
> --- a/drivers/net/nfp/nfp_net.c
> +++ b/drivers/net/nfp/nfp_net.c
> @@ -1439,9 +1439,9 @@ nfp_net_dev_mtu_set(struct rte_eth_dev *dev,
> uint16_t mtu)
> 
>  	/* switch to jumbo mode if needed */
>  	if ((uint32_t)mtu > ETHER_MAX_LEN)
> -		dev->data->dev_conf.rxmode.jumbo_frame = 1;
> +		dev->data->dev_conf.rxmode.offloads |=
> DEV_RX_OFFLOAD_JUMBO_FRAME;
>  	else
> -		dev->data->dev_conf.rxmode.jumbo_frame = 0;
> +		dev->data->dev_conf.rxmode.offloads &=
> ~DEV_RX_OFFLOAD_JUMBO_FRAME;
> 
>  	/* update max frame size */
>  	dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)mtu;
> diff --git a/drivers/net/qede/qede_ethdev.c
> b/drivers/net/qede/qede_ethdev.c
> index 32005e969..eb2a22992 100644
> --- a/drivers/net/qede/qede_ethdev.c
> +++ b/drivers/net/qede/qede_ethdev.c
> @@ -2537,9 +2537,9 @@ static int qede_set_mtu(struct rte_eth_dev *dev,
> uint16_t mtu)
>  		}
>  	}
>  	if (max_rx_pkt_len > ETHER_MAX_LEN)
> -		dev->data->dev_conf.rxmode.jumbo_frame = 1;
> +		dev->data->dev_conf.rxmode.offloads |=
> DEV_RX_OFFLOAD_JUMBO_FRAME;
>  	else
> -		dev->data->dev_conf.rxmode.jumbo_frame = 0;
> +		dev->data->dev_conf.rxmode.offloads &=
> ~DEV_RX_OFFLOAD_JUMBO_FRAME;
> 
>  	if (!dev->data->dev_started && restart) {
>  		qede_dev_start(dev);
> diff --git a/drivers/net/sfc/sfc_dp_tx.h b/drivers/net/sfc/sfc_dp_tx.h
> index a075612c7..eda9676c8 100644
> --- a/drivers/net/sfc/sfc_dp_tx.h
> +++ b/drivers/net/sfc/sfc_dp_tx.h
> @@ -39,8 +39,6 @@ struct sfc_dp_tx_qcreate_info {
>  	unsigned int		max_fill_level;
>  	/** Minimum number of unused Tx descriptors to do reap */
>  	unsigned int		free_thresh;
> -	/** Transmit queue configuration flags */
> -	unsigned int		flags;
>  	/** Offloads enabled on the transmit queue */
>  	uint64_t		offloads;
>  	/** Tx queue size */
> diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
> index 1b6499f85..531539e84 100644
> --- a/drivers/net/sfc/sfc_ethdev.c
> +++ b/drivers/net/sfc/sfc_ethdev.c
> @@ -874,14 +874,12 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev,
> uint16_t mtu)
>  	}
> 
>  	/*
> -	 * The driver does not use it, but other PMDs update jumbo_frame
> +	 * The driver does not use it, but other PMDs update jumbo frame
>  	 * flag and max_rx_pkt_len when MTU is set.
>  	 */
>  	if (mtu > ETHER_MAX_LEN) {
>  		struct rte_eth_rxmode *rxmode = &dev->data-
> >dev_conf.rxmode;
> -
>  		rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
> -		rxmode->jumbo_frame = 1;
>  	}
> 
>  	dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
> @@ -1089,7 +1087,6 @@ sfc_tx_queue_info_get(struct rte_eth_dev *dev,
> uint16_t tx_queue_id,
> 
>  	memset(qinfo, 0, sizeof(*qinfo));
> 
> -	qinfo->conf.txq_flags = txq_info->txq->flags;
>  	qinfo->conf.offloads = txq_info->txq->offloads;
>  	qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
>  	qinfo->conf.tx_deferred_start = txq_info->deferred_start;
> diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
> index 98858d9d9..158c8e94b 100644
> --- a/drivers/net/sfc/sfc_rx.c
> +++ b/drivers/net/sfc/sfc_rx.c
> @@ -1449,7 +1449,6 @@ sfc_rx_check_mode(struct sfc_adapter *sa, struct
> rte_eth_rxmode *rxmode)
>  	if (rte_eth_dev_must_keep_crc(rxmode->offloads)) {
>  		sfc_warn(sa, "FCS stripping cannot be disabled - always on");
>  		rxmode->offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
> -		rxmode->hw_strip_crc = 1;
>  	}
> 
>  	return rc;
> diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
> index 1bcc2c697..6d42a1a65 100644
> --- a/drivers/net/sfc/sfc_tx.c
> +++ b/drivers/net/sfc/sfc_tx.c
> @@ -171,7 +171,6 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int
> sw_index,
>  	txq->free_thresh =
>  		(tx_conf->tx_free_thresh) ? tx_conf->tx_free_thresh :
>  		SFC_TX_DEFAULT_FREE_THRESH;
> -	txq->flags = tx_conf->txq_flags;
>  	txq->offloads = offloads;
> 
>  	rc = sfc_dma_alloc(sa, "txq", sw_index, EFX_TXQ_SIZE(txq_info-
> >entries),
> @@ -182,7 +181,6 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int
> sw_index,
>  	memset(&info, 0, sizeof(info));
>  	info.max_fill_level = txq_max_fill_level;
>  	info.free_thresh = txq->free_thresh;
> -	info.flags = tx_conf->txq_flags;
>  	info.offloads = offloads;
>  	info.txq_entries = txq_info->entries;
>  	info.dma_desc_size_max = encp->enc_tx_dma_desc_size_max;
> @@ -431,18 +429,10 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int
> sw_index)
>  	if (rc != 0)
>  		goto fail_ev_qstart;
> 
> -	/*
> -	 * The absence of ETH_TXQ_FLAGS_IGNORE is associated with a
> legacy
> -	 * application which expects that IPv4 checksum offload is enabled
> -	 * all the time as there is no legacy flag to turn off the offload.
> -	 */
> -	if ((txq->offloads & DEV_TX_OFFLOAD_IPV4_CKSUM) ||
> -	    (~txq->flags & ETH_TXQ_FLAGS_IGNORE))
> +	if (txq->offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
>  		flags |= EFX_TXQ_CKSUM_IPV4;
> 
> -	if ((txq->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
> -	    ((~txq->flags & ETH_TXQ_FLAGS_IGNORE) &&
> -	     (offloads_supported &
> DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)))
> +	if (txq->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
>  		flags |= EFX_TXQ_CKSUM_INNER_IPV4;
> 
>  	if ((txq->offloads & DEV_TX_OFFLOAD_TCP_CKSUM) ||
> @@ -453,16 +443,7 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int
> sw_index)
>  			flags |= EFX_TXQ_CKSUM_INNER_TCPUDP;
>  	}
> 
> -	/*
> -	 * The absence of ETH_TXQ_FLAGS_IGNORE is associated with a
> legacy
> -	 * application. In turn, the absence of ETH_TXQ_FLAGS_NOXSUMTCP
> is
> -	 * associated specifically with a legacy application which expects
> -	 * both TCP checksum offload and TSO to be enabled because the
> legacy
> -	 * API does not provide a dedicated mechanism to control TSO.
> -	 */
> -	if ((txq->offloads & DEV_TX_OFFLOAD_TCP_TSO) ||
> -	    ((~txq->flags & ETH_TXQ_FLAGS_IGNORE) &&
> -	     (~txq->flags & ETH_TXQ_FLAGS_NOXSUMTCP)))
> +	if (txq->offloads & DEV_TX_OFFLOAD_TCP_TSO)
>  		flags |= EFX_TXQ_FATSOV2;
> 
>  	rc = efx_tx_qcreate(sa->nic, sw_index, 0, &txq->mem,
> diff --git a/drivers/net/sfc/sfc_tx.h b/drivers/net/sfc/sfc_tx.h
> index c2e5f13e9..146b805ca 100644
> --- a/drivers/net/sfc/sfc_tx.h
> +++ b/drivers/net/sfc/sfc_tx.h
> @@ -58,7 +58,6 @@ struct sfc_txq {
>  	struct sfc_dp_txq		*dp;
>  	efx_txq_t			*common;
>  	unsigned int			free_thresh;
> -	unsigned int			flags;
>  	uint64_t			offloads;
>  };
> 
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 02980e3d1..119666611 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -2143,9 +2143,6 @@ virtio_dev_info_get(struct rte_eth_dev *dev,
> struct rte_eth_dev_info *dev_info)
>  	dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
>  	dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
>  	dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
> -	dev_info->default_txconf = (struct rte_eth_txconf) {
> -		.txq_flags = ETH_TXQ_FLAGS_NOOFFLOADS
> -	};
> 
>  	host_features = VTPCI_OPS(hw)->get_features(hw);
>  	dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
> diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c
> b/drivers/net/vmxnet3/vmxnet3_ethdev.c
> index 95b465952..ace9d37c5 100644
> --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
> +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
> @@ -1054,7 +1054,6 @@ vmxnet3_dev_info_get(struct rte_eth_dev *dev
> __rte_unused,
>  	dev_info->speed_capa = ETH_LINK_SPEED_10G;
>  	dev_info->max_mac_addrs = VMXNET3_MAX_MAC_ADDRS;
> 
> -	dev_info->default_txconf.txq_flags =
> ETH_TXQ_FLAGS_NOXSUMSCTP;
>  	dev_info->flow_type_rss_offloads = VMXNET3_RSS_OFFLOAD_ALL;
> 
>  	dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
> diff --git a/examples/bond/main.c b/examples/bond/main.c
> index 65e0edd25..98415d66d 100644
> --- a/examples/bond/main.c
> +++ b/examples/bond/main.c
> @@ -122,7 +122,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode = ETH_MQ_RX_NONE,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.rx_adv_conf = {
> @@ -177,7 +176,6 @@ slave_port_init(uint16_t portid, struct rte_mempool
> *mbuf_pool)
> 
>  	/* TX setup */
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = local_port_conf.txmode.offloads;
>  	retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid), &txq_conf);
> @@ -246,7 +244,6 @@ bond_port_init(struct rte_mempool *mbuf_pool)
> 
>  	/* TX setup */
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = local_port_conf.txmode.offloads;
>  	retval = rte_eth_tx_queue_setup(BOND_PORT, 0, nb_txd,
>  				rte_eth_dev_socket_id(BOND_PORT),
> &txq_conf);
> diff --git a/examples/distributor/main.c b/examples/distributor/main.c
> index 2c5936489..85881a2e8 100644
> --- a/examples/distributor/main.c
> +++ b/examples/distributor/main.c
> @@ -80,7 +80,6 @@ static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.mq_mode = ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  	.txmode = {
>  		.mq_mode = ETH_MQ_TX_NONE,
> @@ -141,7 +140,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < txRings; q++) {
>  		retval = rte_eth_tx_queue_setup(port, q, nb_txd,
> diff --git a/examples/ethtool/ethtool-app/main.c
> b/examples/ethtool/ethtool-app/main.c
> index c1815bb94..dc93adfe3 100644
> --- a/examples/ethtool/ethtool-app/main.c
> +++ b/examples/ethtool/ethtool-app/main.c
> @@ -99,7 +99,6 @@ static void setup_ports(struct app_config *app_cfg, int
> cnt_ports)
> 
>  	memset(&cfg_port, 0, sizeof(cfg_port));
>  	cfg_port.txmode.mq_mode = ETH_MQ_TX_NONE;
> -	cfg_port.rxmode.ignore_offload_bitfield = 1;
> 
>  	for (idx_port = 0; idx_port < cnt_ports; idx_port++) {
>  		struct app_port *ptr_port = &app_cfg->ports[idx_port];
> @@ -142,7 +141,6 @@ static void setup_ports(struct app_config *app_cfg,
> int cnt_ports)
>  				 "rte_eth_rx_queue_setup failed"
>  				);
>  		txconf = dev_info.default_txconf;
> -		txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		if (rte_eth_tx_queue_setup(
>  			    idx_port, 0, nb_txd,
>  			    rte_eth_dev_socket_id(idx_port), &txconf) < 0)
> diff --git a/examples/eventdev_pipeline/main.c
> b/examples/eventdev_pipeline/main.c
> index b698e4ca2..7bc294946 100644
> --- a/examples/eventdev_pipeline/main.c
> +++ b/examples/eventdev_pipeline/main.c
> @@ -267,7 +267,6 @@ port_init(uint8_t port, struct rte_mempool
> *mbuf_pool)
>  		.rxmode = {
>  			.mq_mode = ETH_MQ_RX_RSS,
>  			.max_rx_pkt_len = ETHER_MAX_LEN,
> -			.ignore_offload_bitfield = 1,
>  		},
>  		.rx_adv_conf = {
>  			.rss_conf = {
> @@ -307,7 +306,6 @@ port_init(uint8_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf_default.txmode.offloads;
>  	/* Allocate and set up 1 TX queue per Ethernet port. */
>  	for (q = 0; q < tx_rings; q++) {
> diff --git a/examples/exception_path/main.c
> b/examples/exception_path/main.c
> index 2b381a5d8..0b59f6b3f 100644
> --- a/examples/exception_path/main.c
> +++ b/examples/exception_path/main.c
> @@ -88,7 +88,6 @@
>  /* Options for configuring ethernet port */
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -457,7 +456,6 @@ init_port(uint16_t port)
>  				port, ret);
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = local_port_conf.txmode.offloads;
>  	ret = rte_eth_tx_queue_setup(port, 0, nb_txd,
>  				rte_eth_dev_socket_id(port),
> diff --git a/examples/flow_classify/flow_classify.c
> b/examples/flow_classify/flow_classify.c
> index 6412fe440..199612926 100644
> --- a/examples/flow_classify/flow_classify.c
> +++ b/examples/flow_classify/flow_classify.c
> @@ -62,7 +62,6 @@ const char cb_port_delim[] = ":";
>  static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  };
> 
> @@ -222,7 +221,6 @@ port_init(uint8_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	/* Allocate and set up 1 TX queue per Ethernet port. */
>  	for (q = 0; q < tx_rings; q++) {
> diff --git a/examples/flow_filtering/main.c b/examples/flow_filtering/main.c
> index e0ee51679..f59503439 100644
> --- a/examples/flow_filtering/main.c
> +++ b/examples/flow_filtering/main.c
> @@ -121,7 +121,6 @@ init_port(void)
>  	struct rte_eth_conf port_conf = {
>  		.rxmode = {
>  			.split_hdr_size = 0,
> -			.ignore_offload_bitfield = 1,
>  			.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  		},
>  		.txmode = {
> diff --git a/examples/ip_fragmentation/main.c
> b/examples/ip_fragmentation/main.c
> index 8952ea456..5306d7672 100644
> --- a/examples/ip_fragmentation/main.c
> +++ b/examples/ip_fragmentation/main.c
> @@ -140,7 +140,6 @@ static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  			     DEV_RX_OFFLOAD_JUMBO_FRAME |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
> @@ -973,7 +972,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
>  						     socket, txconf);
> diff --git a/examples/ip_reassembly/main.c
> b/examples/ip_reassembly/main.c
> index 3e8e79c21..94e63fc6a 100644
> --- a/examples/ip_reassembly/main.c
> +++ b/examples/ip_reassembly/main.c
> @@ -164,7 +164,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode        = ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  			     DEV_RX_OFFLOAD_JUMBO_FRAME |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
> @@ -1121,7 +1120,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
> 
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
> diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-
> secgw/ipsec-secgw.c
> index a5da8b280..199bae51b 100644
> --- a/examples/ipsec-secgw/ipsec-secgw.c
> +++ b/examples/ipsec-secgw/ipsec-secgw.c
> @@ -199,7 +199,6 @@ static struct rte_eth_conf port_conf = {
>  		.split_hdr_size = 0,
>  		.offloads = DEV_RX_OFFLOAD_CHECKSUM |
>  			    DEV_RX_OFFLOAD_CRC_STRIP,
> -		.ignore_offload_bitfield = 1,
>  	},
>  	.rx_adv_conf = {
>  		.rss_conf = {
> @@ -1592,7 +1591,6 @@ port_init(uint16_t portid)
>  		printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid,
> socket_id);
> 
>  		txconf = &dev_info.default_txconf;
> -		txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txconf->offloads = local_port_conf.txmode.offloads;
> 
>  		ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
> diff --git a/examples/ipv4_multicast/main.c
> b/examples/ipv4_multicast/main.c
> index ad2072f41..331c32e71 100644
> --- a/examples/ipv4_multicast/main.c
> +++ b/examples/ipv4_multicast/main.c
> @@ -109,7 +109,6 @@ static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_JUMBO_FRAME |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
>  	},
> @@ -764,7 +763,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
> 
> rte_lcore_to_socket_id(lcore_id), txconf);
> diff --git a/examples/kni/main.c b/examples/kni/main.c
> index 4b162debb..81336087d 100644
> --- a/examples/kni/main.c
> +++ b/examples/kni/main.c
> @@ -95,7 +95,6 @@ static struct kni_port_params
> *kni_port_params_array[RTE_MAX_ETHPORTS];
>  /* Options for configuring ethernet port */
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -607,7 +606,6 @@ init_port(uint16_t port)
>  				"port%u (%d)\n", (unsigned)port, ret);
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = local_port_conf.txmode.offloads;
>  	ret = rte_eth_tx_queue_setup(port, 0, nb_txd,
>  		rte_eth_dev_socket_id(port), &txq_conf);
> diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
> index 4bca87b19..1b5587968 100644
> --- a/examples/l2fwd-crypto/main.c
> +++ b/examples/l2fwd-crypto/main.c
> @@ -211,7 +211,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode = ETH_MQ_RX_NONE,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -2371,7 +2370,6 @@ initialize_ports(struct l2fwd_crypto_options
> *options)
>  		/* init one TX queue on each port */
>  		fflush(stdout);
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid),
> diff --git a/examples/l2fwd-jobstats/main.c b/examples/l2fwd-
> jobstats/main.c
> index 34553faa2..af5423382 100644
> --- a/examples/l2fwd-jobstats/main.c
> +++ b/examples/l2fwd-jobstats/main.c
> @@ -90,7 +90,6 @@ struct rte_eth_dev_tx_buffer
> *tx_buffer[RTE_MAX_ETHPORTS];
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -876,7 +875,6 @@ main(int argc, char **argv)
> 
>  		/* init one TX queue on each port */
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		fflush(stdout);
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
> diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-
> keepalive/main.c
> index a18b707cd..2d8b4d1c6 100644
> --- a/examples/l2fwd-keepalive/main.c
> +++ b/examples/l2fwd-keepalive/main.c
> @@ -81,7 +81,6 @@ struct rte_eth_dev_tx_buffer
> *tx_buffer[RTE_MAX_ETHPORTS];
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -671,7 +670,6 @@ main(int argc, char **argv)
>  		/* init one TX queue on each port */
>  		fflush(stdout);
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid),
> diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c
> index 690843578..9bb4c5bc4 100644
> --- a/examples/l2fwd/main.c
> +++ b/examples/l2fwd/main.c
> @@ -82,7 +82,6 @@ static struct rte_eth_dev_tx_buffer
> *tx_buffer[RTE_MAX_ETHPORTS];
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -670,7 +669,6 @@ main(int argc, char **argv)
>  		/* init one TX queue on each port */
>  		fflush(stdout);
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid),
> diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c
> index 33ad467d3..55a5a69e5 100644
> --- a/examples/l3fwd-acl/main.c
> +++ b/examples/l3fwd-acl/main.c
> @@ -127,7 +127,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode	= ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
>  			     DEV_RX_OFFLOAD_CHECKSUM),
>  	},
> @@ -1982,7 +1981,6 @@ main(int argc, char **argv)
> 
>  			rte_eth_dev_info_get(portid, &dev_info);
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
>  						     socketid, txconf);
> diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> index 596d64548..710b76d12 100644
> --- a/examples/l3fwd-power/main.c
> +++ b/examples/l3fwd-power/main.c
> @@ -184,7 +184,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode        = ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
>  			     DEV_RX_OFFLOAD_CHECKSUM),
>  	},
> @@ -1750,7 +1749,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
>  						     socketid, txconf);
> diff --git a/examples/l3fwd-vf/main.c b/examples/l3fwd-vf/main.c
> index aaafb7bc2..43e629828 100644
> --- a/examples/l3fwd-vf/main.c
> +++ b/examples/l3fwd-vf/main.c
> @@ -161,7 +161,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode	= ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
>  			     DEV_RX_OFFLOAD_CHECKSUM),
>  	},
> @@ -1009,7 +1008,6 @@ main(int argc, char **argv)
>  		fflush(stdout);
> 
>  		txconf = &dev_info.default_txconf;
> -		txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txconf->offloads = local_port_conf.txmode.offloads;
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  						 socketid, txconf);
> diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
> index bf7dbd814..faef9f1ac 100644
> --- a/examples/l3fwd/main.c
> +++ b/examples/l3fwd/main.c
> @@ -120,7 +120,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode = ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
>  			     DEV_RX_OFFLOAD_CHECKSUM),
>  	},
> @@ -909,7 +908,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
>  						     socketid, txconf);
> diff --git a/examples/link_status_interrupt/main.c
> b/examples/link_status_interrupt/main.c
> index f56895680..3b732076b 100644
> --- a/examples/link_status_interrupt/main.c
> +++ b/examples/link_status_interrupt/main.c
> @@ -79,7 +79,6 @@ struct rte_eth_dev_tx_buffer
> *tx_buffer[RTE_MAX_ETHPORTS];
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -653,7 +652,6 @@ main(int argc, char **argv)
>  		/* init one TX queue logical core on each port */
>  		fflush(stdout);
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid),
> diff --git a/examples/load_balancer/init.c b/examples/load_balancer/init.c
> index 8d8dbe61e..6aa079c69 100644
> --- a/examples/load_balancer/init.c
> +++ b/examples/load_balancer/init.c
> @@ -45,7 +45,6 @@ static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.mq_mode	= ETH_MQ_RX_RSS,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
>  	},
> @@ -466,7 +465,6 @@ app_init_nics(void)
>  		}
> 
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.offloads = local_port_conf.txmode.offloads;
>  		/* Init TX queues */
>  		if (app.nic_tx_port_mask[port] == 1) {
> diff --git a/examples/multi_process/l2fwd_fork/main.c
> b/examples/multi_process/l2fwd_fork/main.c
> index 94318ab61..20a6a3d87 100644
> --- a/examples/multi_process/l2fwd_fork/main.c
> +++ b/examples/multi_process/l2fwd_fork/main.c
> @@ -127,7 +127,6 @@ struct cpu_aff_arg{
>  static const struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -1073,7 +1072,6 @@ main(int argc, char **argv)
>  		/* init one TX queue on each port */
>  		fflush(stdout);
>  		txq_conf = dev_info.default_txconf;
> -		txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txq_conf.tx_offloads = local_port_conf.txmode.offloads;
>  		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
>  				rte_eth_dev_socket_id(portid),
> diff --git a/examples/multi_process/symmetric_mp/main.c
> b/examples/multi_process/symmetric_mp/main.c
> index 16f21a187..c36326917 100644
> --- a/examples/multi_process/symmetric_mp/main.c
> +++ b/examples/multi_process/symmetric_mp/main.c
> @@ -178,7 +178,6 @@ smp_port_init(uint16_t port, struct rte_mempool
> *mbuf_pool,
>  			.rxmode = {
>  				.mq_mode	= ETH_MQ_RX_RSS,
>  				.split_hdr_size = 0,
> -				.ignore_offload_bitfield = 1,
>  				.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  					     DEV_RX_OFFLOAD_CRC_STRIP),
>  			},
> @@ -236,7 +235,6 @@ smp_port_init(uint16_t port, struct rte_mempool
> *mbuf_pool,
>  	}
> 
>  	txq_conf = info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < tx_rings; q ++) {
>  		retval = rte_eth_tx_queue_setup(port, q, nb_txd,
> diff --git a/examples/netmap_compat/bridge/bridge.c
> b/examples/netmap_compat/bridge/bridge.c
> index cb1882e65..7afca28cd 100644
> --- a/examples/netmap_compat/bridge/bridge.c
> +++ b/examples/netmap_compat/bridge/bridge.c
> @@ -26,7 +26,6 @@
>  struct rte_eth_conf eth_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> diff --git a/examples/netmap_compat/lib/compat_netmap.c
> b/examples/netmap_compat/lib/compat_netmap.c
> index af3dd223f..0be0663ed 100644
> --- a/examples/netmap_compat/lib/compat_netmap.c
> +++ b/examples/netmap_compat/lib/compat_netmap.c
> @@ -708,7 +708,6 @@ rte_netmap_init_port(uint16_t portid, const struct
> rte_netmap_port_conf *conf)
>  	rxq_conf = dev_info.default_rxconf;
>  	rxq_conf.offloads = conf->eth_conf->rxmode.offloads;
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = conf->eth_conf->txmode.offloads;
>  	for (i = 0; i < conf->nr_tx_rings; i++) {
>  		ret = rte_eth_tx_queue_setup(portid, i, tx_slots,
> diff --git a/examples/packet_ordering/main.c
> b/examples/packet_ordering/main.c
> index 7ace7d10e..149bfdd02 100644
> --- a/examples/packet_ordering/main.c
> +++ b/examples/packet_ordering/main.c
> @@ -35,11 +35,7 @@ volatile uint8_t quit_signal;
> 
>  static struct rte_mempool *mbuf_pool;
> 
> -static struct rte_eth_conf port_conf_default = {
> -	.rxmode = {
> -		.ignore_offload_bitfield = 1,
> -	},
> -};
> +static struct rte_eth_conf port_conf_default;
> 
>  struct worker_thread_args {
>  	struct rte_ring *ring_in;
> @@ -293,7 +289,6 @@ configure_eth_port(uint16_t port_id)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < txRings; q++) {
>  		ret = rte_eth_tx_queue_setup(port_id, q, nb_txd,
> diff --git a/examples/performance-thread/l3fwd-thread/main.c
> b/examples/performance-thread/l3fwd-thread/main.c
> index 40d807239..d1e4a1880 100644
> --- a/examples/performance-thread/l3fwd-thread/main.c
> +++ b/examples/performance-thread/l3fwd-thread/main.c
> @@ -306,7 +306,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode = ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
>  	},
> @@ -3597,7 +3596,6 @@ main(int argc, char **argv)
>  			fflush(stdout);
> 
>  			txconf = &dev_info.default_txconf;
> -			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  			txconf->offloads = local_port_conf.txmode.offloads;
>  			ret = rte_eth_tx_queue_setup(portid, queueid,
> nb_txd,
>  						     socketid, txconf);
> diff --git a/examples/ptpclient/ptpclient.c b/examples/ptpclient/ptpclient.c
> index c44013bc1..82ae71c19 100644
> --- a/examples/ptpclient/ptpclient.c
> +++ b/examples/ptpclient/ptpclient.c
> @@ -50,7 +50,6 @@ static uint8_t
> ptp_enabled_ports[RTE_MAX_ETHPORTS];
>  static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  };
> 
> @@ -217,11 +216,9 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
> 
>  	/* Allocate and set up 1 TX queue per Ethernet port. */
>  	for (q = 0; q < tx_rings; q++) {
> -		/* Setup txq_flags */
>  		struct rte_eth_txconf *txconf;
> 
>  		txconf = &dev_info.default_txconf;
> -		txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  		txconf->offloads = port_conf.txmode.offloads;
> 
>  		retval = rte_eth_tx_queue_setup(port, q, nb_txd,
> diff --git a/examples/qos_meter/main.c b/examples/qos_meter/main.c
> index 42cf4b29f..ca0e9e863 100644
> --- a/examples/qos_meter/main.c
> +++ b/examples/qos_meter/main.c
> @@ -56,7 +56,6 @@ static struct rte_eth_conf port_conf = {
>  		.mq_mode	= ETH_MQ_RX_RSS,
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = (DEV_RX_OFFLOAD_CHECKSUM |
>  			     DEV_RX_OFFLOAD_CRC_STRIP),
>  	},
> @@ -351,7 +350,6 @@ main(int argc, char **argv)
>  		rte_exit(EXIT_FAILURE, "Port %d RX queue setup error
> (%d)\n", port_rx, ret);
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = conf.txmode.offloads;
>  	ret = rte_eth_tx_queue_setup(port_rx, NIC_TX_QUEUE, nb_txd,
>  				rte_eth_dev_socket_id(port_rx),
> @@ -383,7 +381,6 @@ main(int argc, char **argv)
>  		rte_exit(EXIT_FAILURE, "Port %d RX queue setup error
> (%d)\n", port_tx, ret);
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = conf.txmode.offloads;
>  	ret = rte_eth_tx_queue_setup(port_tx, NIC_TX_QUEUE, nb_txd,
>  				rte_eth_dev_socket_id(port_tx),
> diff --git a/examples/qos_sched/init.c b/examples/qos_sched/init.c
> index c9e487975..94cbb26f8 100644
> --- a/examples/qos_sched/init.c
> +++ b/examples/qos_sched/init.c
> @@ -59,7 +59,6 @@ static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -96,7 +95,6 @@ app_init_port(uint16_t portid, struct rte_mempool
> *mp)
>  	tx_conf.tx_free_thresh = 0;
>  	tx_conf.tx_rs_thresh = 0;
>  	tx_conf.tx_deferred_start = 0;
> -	tx_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
> 
>  	/* init port */
>  	RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid);
> diff --git a/examples/quota_watermark/qw/init.c
> b/examples/quota_watermark/qw/init.c
> index 00725bc95..19164385a 100644
> --- a/examples/quota_watermark/qw/init.c
> +++ b/examples/quota_watermark/qw/init.c
> @@ -24,7 +24,6 @@
>  static struct rte_eth_conf port_conf = {
>  		.rxmode = {
>  			.split_hdr_size = 0,
> -			.ignore_offload_bitfield = 1,
>  			.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  		},
>  		.txmode = {
> @@ -82,7 +81,6 @@ void configure_eth_port(uint16_t port_id)
> 
>  	/* Initialize the port's TX queue */
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = local_port_conf.txmode.offloads;
>  	ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
>  			rte_eth_dev_socket_id(port_id),
> diff --git a/examples/rxtx_callbacks/main.c
> b/examples/rxtx_callbacks/main.c
> index e63ea288f..2058be627 100644
> --- a/examples/rxtx_callbacks/main.c
> +++ b/examples/rxtx_callbacks/main.c
> @@ -20,7 +20,6 @@
>  static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  };
> 
> @@ -104,7 +103,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < tx_rings; q++) {
>  		retval = rte_eth_tx_queue_setup(port, q, nb_txd,
> diff --git a/examples/server_node_efd/server/init.c
> b/examples/server_node_efd/server/init.c
> index 7dfe2fa23..af5a18e28 100644
> --- a/examples/server_node_efd/server/init.c
> +++ b/examples/server_node_efd/server/init.c
> @@ -97,7 +97,6 @@ init_port(uint16_t port_num)
>  	struct rte_eth_conf port_conf = {
>  		.rxmode = {
>  			.mq_mode = ETH_MQ_RX_RSS,
> -			.ignore_offload_bitfield = 1,
>  		},
>  	};
>  	const uint16_t rx_rings = 1, tx_rings = num_nodes;
> @@ -139,7 +138,6 @@ init_port(uint16_t port_num)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < tx_rings; q++) {
>  		retval = rte_eth_tx_queue_setup(port_num, q, tx_ring_size,
> diff --git a/examples/skeleton/basicfwd.c b/examples/skeleton/basicfwd.c
> index 03bc35856..4aba1dc38 100644
> --- a/examples/skeleton/basicfwd.c
> +++ b/examples/skeleton/basicfwd.c
> @@ -20,7 +20,6 @@
>  static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  };
> 
> @@ -68,7 +67,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txconf = dev_info.default_txconf;
> -	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf.offloads = port_conf.txmode.offloads;
>  	/* Allocate and set up 1 TX queue per Ethernet port. */
>  	for (q = 0; q < tx_rings; q++) {
> diff --git a/examples/tep_termination/vxlan_setup.c
> b/examples/tep_termination/vxlan_setup.c
> index 299c29d27..b99ab97d3 100644
> --- a/examples/tep_termination/vxlan_setup.c
> +++ b/examples/tep_termination/vxlan_setup.c
> @@ -69,7 +69,6 @@ uint8_t tep_filter_type[] =
> {RTE_TUNNEL_FILTER_IMAC_TENID,
>  static struct rte_eth_conf port_conf = {
>  	.rxmode = {
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
>  	},
>  	.txmode = {
> @@ -131,7 +130,6 @@ vxlan_port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
> 
>  	rxconf = &dev_info.default_rxconf;
>  	txconf = &dev_info.default_txconf;
> -	txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
> 
>  	if (!rte_eth_dev_is_valid_port(port))
>  		return -1;
> diff --git a/examples/vhost/main.c b/examples/vhost/main.c
> index 1659ef315..2175c1186 100644
> --- a/examples/vhost/main.c
> +++ b/examples/vhost/main.c
> @@ -116,7 +116,6 @@ static struct rte_eth_conf vmdq_conf_default = {
>  	.rxmode = {
>  		.mq_mode        = ETH_MQ_RX_VMDQ_ONLY,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  		/*
>  		 * VLAN strip is necessary for 1G NIC such as I350,
>  		 * this fixes bug of ipv4 forwarding in guest can't
> @@ -256,7 +255,6 @@ port_init(uint16_t port)
>  	rxconf = &dev_info.default_rxconf;
>  	txconf = &dev_info.default_txconf;
>  	rxconf->rx_drop_en = 1;
> -	txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
> 
>  	/*configure the number of supported virtio devices based on VMDQ
> limits */
>  	num_devices = dev_info.max_vmdq_pools;
> diff --git a/examples/vm_power_manager/main.c
> b/examples/vm_power_manager/main.c
> index c9805a461..8911f2659 100644
> --- a/examples/vm_power_manager/main.c
> +++ b/examples/vm_power_manager/main.c
> @@ -47,7 +47,6 @@ static volatile bool force_quit;
>  static const struct rte_eth_conf port_conf_default = {
>  	.rxmode = {
>  		.max_rx_pkt_len = ETHER_MAX_LEN,
> -		.ignore_offload_bitfield = 1,
>  	},
>  };
> 
> @@ -83,7 +82,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = port_conf.txmode.offloads;
>  	/* Allocate and set up 1 TX queue per Ethernet port. */
>  	for (q = 0; q < tx_rings; q++) {
> diff --git a/examples/vmdq/main.c b/examples/vmdq/main.c
> index 52596dd5e..627a5da48 100644
> --- a/examples/vmdq/main.c
> +++ b/examples/vmdq/main.c
> @@ -65,7 +65,6 @@ static const struct rte_eth_conf vmdq_conf_default = {
>  	.rxmode = {
>  		.mq_mode        = ETH_MQ_RX_VMDQ_ONLY,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  	},
> 
>  	.txmode = {
> @@ -237,7 +236,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	rxconf = &dev_info.default_rxconf;
>  	rxconf->rx_drop_en = 1;
>  	txconf = &dev_info.default_txconf;
> -	txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txconf->offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < rxRings; q++) {
>  		retval = rte_eth_rx_queue_setup(port, q, rxRingSize,
> diff --git a/examples/vmdq_dcb/main.c b/examples/vmdq_dcb/main.c
> index 2626a2f19..5a0463c58 100644
> --- a/examples/vmdq_dcb/main.c
> +++ b/examples/vmdq_dcb/main.c
> @@ -71,7 +71,6 @@ static const struct rte_eth_conf
> vmdq_dcb_conf_default = {
>  	.rxmode = {
>  		.mq_mode        = ETH_MQ_RX_VMDQ_DCB,
>  		.split_hdr_size = 0,
> -		.ignore_offload_bitfield = 1,
>  	},
>  	.txmode = {
>  		.mq_mode = ETH_MQ_TX_VMDQ_DCB,
> @@ -290,7 +289,6 @@ port_init(uint16_t port, struct rte_mempool
> *mbuf_pool)
>  	}
> 
>  	txq_conf = dev_info.default_txconf;
> -	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
>  	txq_conf.offloads = port_conf.txmode.offloads;
>  	for (q = 0; q < num_queues; q++) {
>  		retval = rte_eth_tx_queue_setup(port, q, txRingSize,
> diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
> index 5aa7a1a7d..16b8258a7 100644
> --- a/lib/librte_ethdev/rte_ethdev.c
> +++ b/lib/librte_ethdev/rte_ethdev.c
> @@ -974,41 +974,6 @@ rte_eth_speed_bitflag(uint32_t speed, int duplex)
>  	}
>  }
> 
> -/**
> - * A conversion function from rxmode bitfield API.
> - */
> -static void
> -rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode
> *rxmode,
> -				    uint64_t *rx_offloads)
> -{
> -	uint64_t offloads = 0;
> -
> -	if (rxmode->header_split == 1)
> -		offloads |= DEV_RX_OFFLOAD_HEADER_SPLIT;
> -	if (rxmode->hw_ip_checksum == 1)
> -		offloads |= DEV_RX_OFFLOAD_CHECKSUM;
> -	if (rxmode->hw_vlan_filter == 1)
> -		offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
> -	if (rxmode->hw_vlan_strip == 1)
> -		offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
> -	if (rxmode->hw_vlan_extend == 1)
> -		offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
> -	if (rxmode->jumbo_frame == 1)
> -		offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
> -	if (rxmode->hw_strip_crc == 1)
> -		offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
> -	if (rxmode->enable_scatter == 1)
> -		offloads |= DEV_RX_OFFLOAD_SCATTER;
> -	if (rxmode->enable_lro == 1)
> -		offloads |= DEV_RX_OFFLOAD_TCP_LRO;
> -	if (rxmode->hw_timestamp == 1)
> -		offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
> -	if (rxmode->security == 1)
> -		offloads |= DEV_RX_OFFLOAD_SECURITY;
> -
> -	*rx_offloads = offloads;
> -}
> -
>  const char * __rte_experimental
>  rte_eth_dev_rx_offload_name(uint64_t offload)
>  {
> @@ -1095,14 +1060,6 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t
> nb_rx_q, uint16_t nb_tx_q,
>  		return -EBUSY;
>  	}
> 
> -	/*
> -	 * Convert between the offloads API to enable PMDs to support
> -	 * only one of them.
> -	 */
> -	if (dev_conf->rxmode.ignore_offload_bitfield == 0)
> -		rte_eth_convert_rx_offload_bitfield(
> -				&dev_conf->rxmode,
> &local_conf.rxmode.offloads);
> -
>  	/* Copy the dev_conf parameter into the dev structure */
>  	memcpy(&dev->data->dev_conf, &local_conf, sizeof(dev->data-
> >dev_conf));
> 
> @@ -1547,14 +1504,6 @@ rte_eth_rx_queue_setup(uint16_t port_id,
> uint16_t rx_queue_id,
>  		rx_conf = &dev_info.default_rxconf;
> 
>  	local_conf = *rx_conf;
> -	if (dev->data->dev_conf.rxmode.ignore_offload_bitfield == 0) {
> -		/**
> -		 * Reflect port offloads to queue offloads in order for
> -		 * offloads to not be discarded.
> -		 */
> -		rte_eth_convert_rx_offload_bitfield(&dev->data-
> >dev_conf.rxmode,
> -						    &local_conf.offloads);
> -	}
> 
>  	/*
>  	 * If an offloading has already been enabled in
> @@ -1596,55 +1545,6 @@ rte_eth_rx_queue_setup(uint16_t port_id,
> uint16_t rx_queue_id,
>  	return eth_err(port_id, ret);
>  }
> 
> -/**
> - * Convert from tx offloads to txq_flags.
> - */
> -static void
> -rte_eth_convert_tx_offload(const uint64_t tx_offloads, uint32_t
> *txq_flags)
> -{
> -	uint32_t flags = 0;
> -
> -	if (!(tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS))
> -		flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
> -	if (!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT))
> -		flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
> -	if (!(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
> -		flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
> -	if (!(tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM))
> -		flags |= ETH_TXQ_FLAGS_NOXSUMUDP;
> -	if (!(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM))
> -		flags |= ETH_TXQ_FLAGS_NOXSUMTCP;
> -	if (tx_offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
> -		flags |= ETH_TXQ_FLAGS_NOREFCOUNT |
> ETH_TXQ_FLAGS_NOMULTMEMP;
> -
> -	*txq_flags = flags;
> -}
> -
> -/**
> - * A conversion function from txq_flags API.
> - */
> -static void
> -rte_eth_convert_txq_flags(const uint32_t txq_flags, uint64_t *tx_offloads)
> -{
> -	uint64_t offloads = 0;
> -
> -	if (!(txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS))
> -		offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
> -	if (!(txq_flags & ETH_TXQ_FLAGS_NOVLANOFFL))
> -		offloads |= DEV_TX_OFFLOAD_VLAN_INSERT;
> -	if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMSCTP))
> -		offloads |= DEV_TX_OFFLOAD_SCTP_CKSUM;
> -	if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMUDP))
> -		offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
> -	if (!(txq_flags & ETH_TXQ_FLAGS_NOXSUMTCP))
> -		offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
> -	if ((txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT) &&
> -	    (txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP))
> -		offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
> -
> -	*tx_offloads = offloads;
> -}
> -
>  int
>  rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
>  		       uint16_t nb_tx_desc, unsigned int socket_id,
> @@ -1707,15 +1607,7 @@ rte_eth_tx_queue_setup(uint16_t port_id,
> uint16_t tx_queue_id,
>  	if (tx_conf == NULL)
>  		tx_conf = &dev_info.default_txconf;
> 
> -	/*
> -	 * Convert between the offloads API to enable PMDs to support
> -	 * only one of them.
> -	 */
>  	local_conf = *tx_conf;
> -	if (!(tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE)) {
> -		rte_eth_convert_txq_flags(tx_conf->txq_flags,
> -					  &local_conf.offloads);
> -	}
> 
>  	/*
>  	 * If an offloading has already been enabled in
> @@ -2493,7 +2385,6 @@ void
>  rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info
> *dev_info)
>  {
>  	struct rte_eth_dev *dev;
> -	struct rte_eth_txconf *txconf;
>  	const struct rte_eth_desc_lim lim = {
>  		.nb_max = UINT16_MAX,
>  		.nb_min = 0,
> @@ -2515,9 +2406,6 @@ rte_eth_dev_info_get(uint16_t port_id, struct
> rte_eth_dev_info *dev_info)
>  	dev_info->nb_tx_queues = dev->data->nb_tx_queues;
> 
>  	dev_info->dev_flags = &dev->data->dev_flags;
> -	txconf = &dev_info->default_txconf;
> -	/* convert offload to txq_flags to support legacy app */
> -	rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
>  }
> 
>  int
> @@ -3958,7 +3846,6 @@ rte_eth_tx_queue_info_get(uint16_t port_id,
> uint16_t queue_id,
>  	struct rte_eth_txq_info *qinfo)
>  {
>  	struct rte_eth_dev *dev;
> -	struct rte_eth_txconf *txconf = &qinfo->conf;
> 
>  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
> 
> @@ -3975,8 +3862,6 @@ rte_eth_tx_queue_info_get(uint16_t port_id,
> uint16_t queue_id,
> 
>  	memset(qinfo, 0, sizeof(*qinfo));
>  	dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
> -	/* convert offload to txq_flags to support legacy app */
> -	rte_eth_convert_tx_offload(txconf->offloads, &txconf->txq_flags);
> 
>  	return 0;
>  }
> diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
> index aa991da62..8d6b1f6e0 100644
> --- a/lib/librte_ethdev/rte_ethdev.h
> +++ b/lib/librte_ethdev/rte_ethdev.h
> @@ -326,7 +326,7 @@ enum rte_eth_tx_mq_mode {
>  struct rte_eth_rxmode {
>  	/** The multi-queue packet distribution mode to be used, e.g. RSS.
> */
>  	enum rte_eth_rx_mq_mode mq_mode;
> -	uint32_t max_rx_pkt_len;  /**< Only used if jumbo_frame enabled.
> */
> +	uint32_t max_rx_pkt_len;  /**< Only used if JUMBO_FRAME
> enabled. */
>  	uint16_t split_hdr_size;  /**< hdr buf size (header_split enabled).*/
>  	/**
>  	 * Per-port Rx offloads to be set using DEV_RX_OFFLOAD_* flags.
> @@ -334,33 +334,6 @@ struct rte_eth_rxmode {
>  	 * structure are allowed to be set.
>  	 */
>  	uint64_t offloads;
> -	__extension__
> -	/**
> -	 * Below bitfield API is obsolete. Application should
> -	 * enable per-port offloads using the offload field
> -	 * above.
> -	 */
> -	uint16_t header_split : 1, /**< Header Split enable. */
> -		hw_ip_checksum   : 1, /**< IP/UDP/TCP checksum offload
> enable. */
> -		hw_vlan_filter   : 1, /**< VLAN filter enable. */
> -		hw_vlan_strip    : 1, /**< VLAN strip enable. */
> -		hw_vlan_extend   : 1, /**< Extended VLAN enable. */
> -		jumbo_frame      : 1, /**< Jumbo Frame Receipt enable. */
> -		hw_strip_crc     : 1, /**< Enable CRC stripping by hardware. */
> -		enable_scatter   : 1, /**< Enable scatter packets rx handler */
> -		enable_lro       : 1, /**< Enable LRO */
> -		hw_timestamp     : 1, /**< Enable HW timestamp */
> -		security	 : 1, /**< Enable rte_security offloads */
> -		/**
> -		 * When set the offload bitfield should be ignored.
> -		 * Instead per-port Rx offloads should be set on offloads
> -		 * field above.
> -		 * Per-queue offloads shuold be set on rte_eth_rxq_conf
> -		 * structure.
> -		 * This bit is temporary till rxmode bitfield offloads API will
> -		 * be deprecated.
> -		 */
> -		ignore_offload_bitfield : 1;
>  };
> 
>  /**
> @@ -707,28 +680,6 @@ struct rte_eth_rxconf {
>  	uint64_t offloads;
>  };
> 
> -#define ETH_TXQ_FLAGS_NOMULTSEGS 0x0001 /**< nb_segs=1 for all
> mbufs */
> -#define ETH_TXQ_FLAGS_NOREFCOUNT 0x0002 /**< refcnt can be ignored
> */
> -#define ETH_TXQ_FLAGS_NOMULTMEMP 0x0004 /**< all bufs come from
> same mempool */
> -#define ETH_TXQ_FLAGS_NOVLANOFFL 0x0100 /**< disable VLAN offload
> */
> -#define ETH_TXQ_FLAGS_NOXSUMSCTP 0x0200 /**< disable SCTP
> checksum offload */
> -#define ETH_TXQ_FLAGS_NOXSUMUDP  0x0400 /**< disable UDP
> checksum offload */
> -#define ETH_TXQ_FLAGS_NOXSUMTCP  0x0800 /**< disable TCP checksum
> offload */
> -#define ETH_TXQ_FLAGS_NOOFFLOADS \
> -		(ETH_TXQ_FLAGS_NOVLANOFFL |
> ETH_TXQ_FLAGS_NOXSUMSCTP | \
> -		 ETH_TXQ_FLAGS_NOXSUMUDP  |
> ETH_TXQ_FLAGS_NOXSUMTCP)
> -#define ETH_TXQ_FLAGS_NOXSUMS \
> -		(ETH_TXQ_FLAGS_NOXSUMSCTP |
> ETH_TXQ_FLAGS_NOXSUMUDP | \
> -		 ETH_TXQ_FLAGS_NOXSUMTCP)
> -/**
> - * When set the txq_flags should be ignored,
> - * instead per-queue Tx offloads will be set on offloads field
> - * located on rte_eth_txq_conf struct.
> - * This flag is temporary till the rte_eth_txq_conf.txq_flags
> - * API will be deprecated.
> - */
> -#define ETH_TXQ_FLAGS_IGNORE	0x8000
> -
>  /**
>   * A structure used to configure a TX ring of an Ethernet port.
>   */
> @@ -738,7 +689,6 @@ struct rte_eth_txconf {
>  	uint16_t tx_free_thresh; /**< Start freeing TX buffers if there are
>  				      less free descriptors than this value. */
> 
> -	uint32_t txq_flags; /**< Set flags for the Tx queue */
>  	uint8_t tx_deferred_start; /**< Do not start queue with
> rte_eth_dev_start(). */
>  	/**
>  	 * Per-queue Tx offloads to be set  using DEV_TX_OFFLOAD_* flags.
> @@ -1680,12 +1630,6 @@ int rte_eth_rx_queue_setup(uint16_t port_id,
> uint16_t rx_queue_id,
>   *     The *tx_rs_thresh* value should be less or equal then
>   *     *tx_free_thresh* value, and both of them should be less then
>   *     *nb_tx_desc* - 3.
> - *   - The *txq_flags* member contains flags to pass to the TX queue setup
> - *     function to configure the behavior of the TX queue. This should be set
> - *     to 0 if no special configuration is required.
> - *     This API is obsolete and will be deprecated. Applications
> - *     should set it to ETH_TXQ_FLAGS_IGNORE and use
> - *     the offloads field below.
>   *   - The *offloads* member contains Tx offloads to be enabled.
>   *     If an offloading set in tx_conf->offloads
>   *     hasn't been set in the input argument eth_conf->txmode.offloads
> @@ -4081,7 +4025,7 @@ static inline int
> rte_eth_tx_descriptor_status(uint16_t port_id,
>   *
>   * If the PMD is DEV_TX_OFFLOAD_MT_LOCKFREE capable, multiple threads
> can
>   * invoke this function concurrently on the same tx queue without SW lock.
> - * @see rte_eth_dev_info_get, struct rte_eth_txconf::txq_flags
> + * @see rte_eth_dev_info_get, struct rte_eth_txconf::offloads
>   *
>   * @see rte_eth_tx_prepare to perform some prior checks or adjustments
>   * for offloads.
> --
> 2.17.1