Re: [dpdk-dev] [PATCH v1 03/17] ethdev: replace library debug flag with global one

[Bruce Richardson <bruce.richardson@intel.com>]

On Mon, Apr 20, 2020 at 01:37:12PM +0000, Ananyev, Konstantin wrote:
> > 
> > 
> > 
> > > -----Original Message-----
> > > From: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
> > > Sent: Friday, April 17, 2020 10:57 PM
> > > To: Thomas Monjalon <thomas@monjalon.net>; Igor Russkikh
> > > <igor.russkikh@aquantia.com>; Pavel Belous <pavel.belous@aquantia.com>;
> > > Lu, Wenzhuo <wenzhuo.lu@intel.com>; Marcin Wojtas
> > > <mw@semihalf.com>; Michal Krawczyk <mk@semihalf.com>; Guy Tzalik
> > > <gtzalik@amazon.com>; Evgeny Schemeilin <evgenys@amazon.com>; Igor
> > > Chauskin <igorch@amazon.com>; John Daley <johndale@cisco.com>; Hyong
> > > Youb Kim <hyonkim@cisco.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> > > Wang, Xiao W <xiao.w.wang@intel.com>; Ziyang Xuan
> > > <xuanziyang2@huawei.com>; Xiaoyun Wang
> > > <cloud.wangxiaoyun@huawei.com>; Guoyang Zhou
> > > <zhouguoyang@huawei.com>; Wei Hu (Xavier)
> > > <xavier.huwei@huawei.com>; Min Hu (Connor) <humin29@huawei.com>;
> > > Yisen Zhuang <yisen.zhuang@huawei.com>; Xing, Beilei
> > > <beilei.xing@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Yang, Qiming
> > > <qiming.yang@intel.com>; Ananyev, Konstantin
> > > <konstantin.ananyev@intel.com>; Rasesh Mody <rmody@marvell.com>;
> > > Shahed Shaikh <shshaikh@marvell.com>; Singh, Jasvinder
> > > <jasvinder.singh@intel.com>; Dumitrescu, Cristian
> > > <cristian.dumitrescu@intel.com>; Maxime Coquelin
> > > <maxime.coquelin@redhat.com>; Wang, Zhihong
> > > <zhihong.wang@intel.com>; Ye, Xiaolong <xiaolong.ye@intel.com>; Yong
> > > Wang <yongwang@vmware.com>; Yigit, Ferruh <ferruh.yigit@intel.com>;
> > > Andrew Rybchenko <arybchenko@solarflare.com>; Olivier Matz
> > > <olivier.matz@6wind.com>
> > > Cc: dev@dpdk.org
> > > Subject: [PATCH v1 03/17] ethdev: replace library debug flag with global one
> > >
> > > Use global debug flag RTE_DEBUG instead of RTE_LIBRTE_ETHDEV_DEBUG.
> > > The old define is completely removed from source code and config.
> > > The changes were applied also to all drivers using this flag.
> > >
> > > Signed-off-by: Lukasz Wojciechowski
> > > <l.wojciechow@partner.samsung.com>
> > > ---
> > >  config/common_base                           |  1 -
> > >  drivers/net/atlantic/atl_rxtx.c              |  2 +-
> > >  drivers/net/e1000/em_rxtx.c                  |  2 +-
> > >  drivers/net/e1000/igb_rxtx.c                 |  2 +-
> > >  drivers/net/ena/ena_ethdev.c                 |  2 +-
> > >  drivers/net/enic/enic_rxtx.c                 |  2 +-
> > >  drivers/net/fm10k/fm10k_rxtx.c               |  2 +-
> > >  drivers/net/hinic/hinic_pmd_tx.c             |  2 +-
> > >  drivers/net/hns3/hns3_rxtx.c                 |  2 +-
> > >  drivers/net/i40e/i40e_rxtx.c                 |  2 +-
> > >  drivers/net/iavf/iavf_rxtx.c                 |  2 +-
> > >  drivers/net/ice/ice_rxtx.c                   |  2 +-
> > >  drivers/net/ixgbe/ixgbe_rxtx.c               |  2 +-
> > >  drivers/net/qede/qede_rxtx.c                 |  4 ++--
> > >  drivers/net/softnic/rte_eth_softnic.c        |  2 +-
> > >  drivers/net/softnic/rte_eth_softnic_thread.c |  2 +-
> > >  drivers/net/virtio/virtio_rxtx.c             |  2 +-
> > >  drivers/net/vmxnet3/vmxnet3_rxtx.c           |  2 +-
> > >  lib/librte_ethdev/rte_ethdev.h               | 16 ++++++++--------
> > >  lib/librte_net/rte_net.h                     |  4 ++--
> > >  20 files changed, 28 insertions(+), 29 deletions(-)
> > >
> > > diff --git a/config/common_base b/config/common_base
> > > index c5be57f11..16a8f09b6 100644
> > > --- a/config/common_base
> > > +++ b/config/common_base
> > > @@ -149,7 +149,6 @@ CONFIG_RTE_LIBRTE_KVARGS=y
> > >  # Compile generic ethernet library
> > >  #
> > >  CONFIG_RTE_LIBRTE_ETHER=y
> > > -CONFIG_RTE_LIBRTE_ETHDEV_DEBUG=n
> > >  CONFIG_RTE_MAX_ETHPORTS=32
> > >  CONFIG_RTE_MAX_QUEUES_PER_PORT=1024
> > >  CONFIG_RTE_LIBRTE_IEEE1588=n
> > > diff --git a/drivers/net/atlantic/atl_rxtx.c b/drivers/net/atlantic/atl_rxtx.c
> > > index 449ffd454..eae54df22 100644
> > > --- a/drivers/net/atlantic/atl_rxtx.c
> > > +++ b/drivers/net/atlantic/atl_rxtx.c
> > > @@ -821,7 +821,7 @@ atl_prep_pkts(__rte_unused void *tx_queue, struct
> > > rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
> > > index 49c53712a..c4083ff00 100644
> > > --- a/drivers/net/e1000/em_rxtx.c
> > > +++ b/drivers/net/e1000/em_rxtx.c
> > > @@ -626,7 +626,7 @@ eth_em_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
> > > index 684fa4ad8..6a78f26e6 100644
> > > --- a/drivers/net/e1000/igb_rxtx.c
> > > +++ b/drivers/net/e1000/igb_rxtx.c
> > > @@ -641,7 +641,7 @@ eth_igb_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
> > > index 665afee4f..b9855e91b 100644
> > > --- a/drivers/net/ena/ena_ethdev.c
> > > +++ b/drivers/net/ena/ena_ethdev.c
> > > @@ -2145,7 +2145,7 @@ eth_ena_prep_pkts(void *tx_queue, struct
> > > rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
> > > index 6a8718c08..c42d563b4 100644
> > > --- a/drivers/net/enic/enic_rxtx.c
> > > +++ b/drivers/net/enic/enic_rxtx.c
> > > @@ -414,7 +414,7 @@ uint16_t enic_prep_pkts(void *tx_queue, struct
> > > rte_mbuf **tx_pkts,
> > >  			rte_errno = ENOTSUP;
> > >  			return i;
> > >  		}
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/fm10k/fm10k_rxtx.c
> > > b/drivers/net/fm10k/fm10k_rxtx.c
> > > index 4accaa2cd..43d773f08 100644
> > > --- a/drivers/net/fm10k/fm10k_rxtx.c
> > > +++ b/drivers/net/fm10k/fm10k_rxtx.c
> > > @@ -710,7 +710,7 @@ fm10k_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/hinic/hinic_pmd_tx.c
> > > b/drivers/net/hinic/hinic_pmd_tx.c
> > > index 64ec2c119..41d5a25b6 100644
> > > --- a/drivers/net/hinic/hinic_pmd_tx.c
> > > +++ b/drivers/net/hinic/hinic_pmd_tx.c
> > > @@ -804,7 +804,7 @@ hinic_tx_offload_pkt_prepare(struct rte_mbuf *m,
> > >  	    !(ol_flags & PKT_TX_TUNNEL_VXLAN))
> > >  		return -ENOTSUP;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	if (rte_validate_tx_offload(m) != 0)
> > >  		return -EINVAL;
> > >  #endif
> > > diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
> > > index ec6d19f58..45aa64b70 100644
> > > --- a/drivers/net/hns3/hns3_rxtx.c
> > > +++ b/drivers/net/hns3/hns3_rxtx.c
> > > @@ -2296,7 +2296,7 @@ hns3_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
> > > index 5e7c86ed8..282baf514 100644
> > > --- a/drivers/net/i40e/i40e_rxtx.c
> > > +++ b/drivers/net/i40e/i40e_rxtx.c
> > > @@ -1499,7 +1499,7 @@ i40e_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
> > > index 85d9a8e3b..8122d35be 100644
> > > --- a/drivers/net/iavf/iavf_rxtx.c
> > > +++ b/drivers/net/iavf/iavf_rxtx.c
> > > @@ -1689,7 +1689,7 @@ iavf_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
> > > index 1c9f31efd..fd8ed2573 100644
> > > --- a/drivers/net/ice/ice_rxtx.c
> > > +++ b/drivers/net/ice/ice_rxtx.c
> > > @@ -3037,7 +3037,7 @@ ice_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
> > > index 2e20e18c7..6964c4e52 100644
> > > --- a/drivers/net/ixgbe/ixgbe_rxtx.c
> > > +++ b/drivers/net/ixgbe/ixgbe_rxtx.c
> > > @@ -992,7 +992,7 @@ ixgbe_prep_pkts(void *tx_queue, struct rte_mbuf
> > > **tx_pkts, uint16_t nb_pkts)
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
> > > index b81788ca4..646eb2275 100644
> > > --- a/drivers/net/qede/qede_rxtx.c
> > > +++ b/drivers/net/qede/qede_rxtx.c
> > > @@ -2156,7 +2156,7 @@ qede_xmit_prep_pkts(__rte_unused void *p_txq,
> > > struct rte_mbuf **tx_pkts,
> > >  	uint64_t ol_flags;
> > >  	struct rte_mbuf *m;
> > >  	uint16_t i;
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	int ret;
> > >  #endif
> > >
> > > @@ -2196,7 +2196,7 @@ qede_xmit_prep_pkts(__rte_unused void *p_txq,
> > > struct rte_mbuf **tx_pkts,
> > >  			break;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/drivers/net/softnic/rte_eth_softnic.c
> > > b/drivers/net/softnic/rte_eth_softnic.c
> > > index 11723778f..b5b169ff7 100644
> > > --- a/drivers/net/softnic/rte_eth_softnic.c
> > > +++ b/drivers/net/softnic/rte_eth_softnic.c
> > > @@ -704,7 +704,7 @@ rte_pmd_softnic_manage(uint16_t port_id)
> > >  	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> > >  	struct pmd_internals *softnic;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
> > >  #endif
> > >
> > > diff --git a/drivers/net/softnic/rte_eth_softnic_thread.c
> > > b/drivers/net/softnic/rte_eth_softnic_thread.c
> > > index d610b1617..2f7c3a838 100644
> > > --- a/drivers/net/softnic/rte_eth_softnic_thread.c
> > > +++ b/drivers/net/softnic/rte_eth_softnic_thread.c
> > > @@ -3093,7 +3093,7 @@ rte_pmd_softnic_run(uint16_t port_id)
> > >  {
> > >  	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
> > >  #endif
> > >
> > > diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
> > > index 752faa0f6..02eaf38e3 100644
> > > --- a/drivers/net/virtio/virtio_rxtx.c
> > > +++ b/drivers/net/virtio/virtio_rxtx.c
> > > @@ -1979,7 +1979,7 @@ virtio_xmit_pkts_prepare(void *tx_queue
> > > __rte_unused, struct rte_mbuf **tx_pkts,
> > >  	for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
> > >  		struct rte_mbuf *m = tx_pkts[nb_tx];
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		error = rte_validate_tx_offload(m);
> > >  		if (unlikely(error)) {
> > >  			rte_errno = -error;
> > > diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c
> > > b/drivers/net/vmxnet3/vmxnet3_rxtx.c
> > > index dd99684be..a801290ff 100644
> > > --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
> > > +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
> > > @@ -373,7 +373,7 @@ vmxnet3_prep_pkts(__rte_unused void *tx_queue,
> > > struct rte_mbuf **tx_pkts,
> > >  			return i;
> > >  		}
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  		ret = rte_validate_tx_offload(m);
> > >  		if (ret != 0) {
> > >  			rte_errno = -ret;
> > > diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
> > > index e9e3a1699..f314b57c7 100644
> > > --- a/lib/librte_ethdev/rte_ethdev.h
> > > +++ b/lib/librte_ethdev/rte_ethdev.h
> > > @@ -4375,7 +4375,7 @@ rte_eth_rx_burst(uint16_t port_id, uint16_t
> > > queue_id,
> > >  	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> > >  	uint16_t nb_rx;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
> > >  	RTE_FUNC_PTR_OR_ERR_RET(*dev->rx_pkt_burst, 0);
> > >
> > > @@ -4498,11 +4498,11 @@ rte_eth_rx_descriptor_status(uint16_t port_id,
> > > uint16_t queue_id,
> > >  	struct rte_eth_dev *dev;
> > >  	void *rxq;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
> > >  #endif
> > >  	dev = &rte_eth_devices[port_id];
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	if (queue_id >= dev->data->nb_rx_queues)
> > >  		return -ENODEV;
> > >  #endif
> > > @@ -4555,11 +4555,11 @@ static inline int
> > > rte_eth_tx_descriptor_status(uint16_t port_id,
> > >  	struct rte_eth_dev *dev;
> > >  	void *txq;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
> > >  #endif
> > >  	dev = &rte_eth_devices[port_id];
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	if (queue_id >= dev->data->nb_tx_queues)
> > >  		return -ENODEV;
> > >  #endif
> > > @@ -4641,7 +4641,7 @@ rte_eth_tx_burst(uint16_t port_id, uint16_t
> > > queue_id,
> > >  {
> > >  	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
> > >  	RTE_FUNC_PTR_OR_ERR_RET(*dev->tx_pkt_burst, 0);
> > >
> > > @@ -4727,7 +4727,7 @@ rte_eth_tx_prepare(uint16_t port_id, uint16_t
> > > queue_id,
> > >  {
> > >  	struct rte_eth_dev *dev;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	if (!rte_eth_dev_is_valid_port(port_id)) {
> > >  		RTE_ETHDEV_LOG(ERR, "Invalid TX port_id=%u\n", port_id);
> > >  		rte_errno = EINVAL;
> > > @@ -4737,7 +4737,7 @@ rte_eth_tx_prepare(uint16_t port_id, uint16_t
> > > queue_id,
> > >
> > >  	dev = &rte_eth_devices[port_id];
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	if (queue_id >= dev->data->nb_tx_queues) {
> > >  		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n",
> > > queue_id);
> > >  		rte_errno = EINVAL;
> > > diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h
> > > index 1560ecfa4..9a9732189 100644
> > > --- a/lib/librte_net/rte_net.h
> > > +++ b/lib/librte_net/rte_net.h
> > > @@ -120,7 +120,7 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf
> > > *m, uint64_t ol_flags)
> > >  	struct rte_udp_hdr *udp_hdr;
> > >  	uint64_t inner_l3_offset = m->l2_len;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	/*
> > >  	 * Does packet set any of available offloads?
> > >  	 * Mainly it is required to avoid fragmented headers check if
> > > @@ -133,7 +133,7 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf
> > > *m, uint64_t ol_flags)
> > >  	if (ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6))
> > >  		inner_l3_offset += m->outer_l2_len + m->outer_l3_len;
> > >
> > > -#ifdef RTE_LIBRTE_ETHDEV_DEBUG
> > > +#ifdef RTE_DEBUG
> > >  	/*
> > >  	 * Check if headers are fragmented.
> > >  	 * The check could be less strict depending on which offloads are
> > > --
> > > 2.17.1
> > 
> > The approach in this series does not make any sense to me: what if you want to debug just this library instead of the entire DPDK? We need
> > to be able to enable debug for a single library at a time, as opposed to the user being flooded with unwanted debug messages from all the
> > libraries.
> > 
> > NAK from me.
> 
> I am agree with Cristian concern here:
> that patch removes ability to enable/disable debug on particular library/PMD. 
> If the purpose is to minimize number of config compile options,
> I wonder can't it be done in a slightly different way:
> 1. introduce gloabal RTE_DEBUG
> 2. keep actual .[c,h] files intact  
> 3. In actual librte_xxx/meson.build  file check if RTE_DEBUG is enabled, 
> If yes, then enable particular debug flag for these libs.
> Something like:
> If dpdk_conf.get('RTE_DEBUG') == true
> 	dpdk_conf.set('RTE_LIBRTE_XXX_DEBUG ', 1)
> 
> defines that are used by multiple libs, probably can be
> set in upper layer meson.build.
> 
> That way will have global 'debug' flag, but users will still
> have an ability to enable/disable debug flags on a per lib basis
> via CFLAGS="-D..." 
> 
> Konstantin
> 
That seems a reasonable idea to me.

However, in this case, we don't need the RTE_DEBUG flag at all, we can
either:

* allow each component meson.build file define its own flags after checking
  get_option('debug')
* have lib/meson.build and drivers/meson.build automatically define a
  specific define for each library or driver to standardize the naming.
  [This would save anyone working on it from having to lookup what the
  define was, since it's always e.g. RTE_DEBUG_ + library-base-name, e.g.
  RTE_DEBUG_LPM, RTE_DEBUG_SCHED etc]

Theoretically we can also do both, have the standard ones defined and then
allow a component to provide extra flags itself if so desired.

/Bruce