[dpdk-dev] [RFC v2 00/13] Generalize rte_eth_dev model
Jan Blunck
jblunck at infradead.org
Tue Dec 20 13:48:04 CET 2016
On Mon, Dec 19, 2016 at 10:59 PM, Stephen Hemminger
<stephen at networkplumber.org> wrote:
> This set of patches generalize the ethernet device model sufficently
> to support virtual, pci, and vmbus devices.
>
> All this is based on the XP principal of only building what is
> necessary and no more than that. The rationale is NOT to rework the
> DPDK to have same level of bus and parent information as the Linux
> device model. This would be unnecessary, fragile and unnecessarily OS
> dependent.
>
> Instead, this set of patches does the simple change of refactoring
> so that the object relationship between ethernet (rte_eth_dev),
> PCI (rte_pci_device) and generic (rte_device) is properly broken
> apart.
Yes, as I pointed out when reviewing the bus related changes the
refactoring of the ethdev doesn't depend on the bus work to get merged
first.
I've sent a similar series in November already. I guess that is a sign
that the review got stuck somewhere.
Jan
> It does make the simplifying assumption that the device driver knows
> what type of bus it is on. For a future case where a device has to
> be able to handle different bus families; then the device driver
> can have multiple device drivers in one code base (like ixgbe PF/VF).
>
>
> Jan Blunck (1):
> eal: define container_of macro
>
> Stephen Hemminger (12):
> ethdev: increase length ethernet device internal name
> rte_device: make driver pointer const
> eal: introduce driver type
> pmd: remove useless reset of dev_info->dev_pci
> ethdev: make dev_info generic (not just PCI)
> e1000: localize mapping from eth_dev to pci
> ixgbe: localize mapping from eth_dev to pci_device
> i40e: localize mapping of eth_dev to pci
> virtio: localize mapping from rte_eth to pci
> broadcom: localize mapping from eth_dev to pci
> ethdev: change pci_dev to generic device
> hyperv: VMBUS support infrastucture
>
> app/test-pmd/config.c | 32 +++++++-
> app/test-pmd/testpmd.c | 11 ++-
> app/test-pmd/testpmd.h | 32 ++++----
> app/test/test_kni.c | 39 +++++++--
> app/test/virtual_pmd.c | 4 +-
> doc/guides/rel_notes/deprecation.rst | 3 +
> doc/guides/rel_notes/release_17_02.rst | 10 +--
> drivers/net/af_packet/rte_eth_af_packet.c | 1 -
> drivers/net/bnxt/bnxt_ethdev.c | 24 +++---
> drivers/net/bnxt/bnxt_ring.c | 16 ++--
> drivers/net/bonding/rte_eth_bond_args.c | 12 ++-
> drivers/net/bonding/rte_eth_bond_pmd.c | 1 -
> drivers/net/cxgbe/cxgbe_ethdev.c | 2 +-
> drivers/net/cxgbe/cxgbe_main.c | 5 +-
> drivers/net/e1000/e1000_ethdev.h | 2 +
> drivers/net/e1000/em_ethdev.c | 50 +++++++-----
> drivers/net/e1000/igb_ethdev.c | 99 ++++++++++++-----------
> drivers/net/e1000/igb_pf.c | 4 +-
> drivers/net/ena/ena_ethdev.c | 2 +-
> drivers/net/enic/enic_ethdev.c | 2 +-
> drivers/net/enic/enic_rxtx.c | 2 -
> drivers/net/fm10k/fm10k_ethdev.c | 90 +++++++++++++--------
> drivers/net/i40e/i40e_ethdev.c | 77 +++++++++++-------
> drivers/net/i40e/i40e_ethdev.h | 3 +
> drivers/net/i40e/i40e_ethdev_vf.c | 59 ++++++++------
> drivers/net/ixgbe/ixgbe_ethdev.c | 120 ++++++++++++++++------------
> drivers/net/ixgbe/ixgbe_ethdev.h | 3 +
> drivers/net/ixgbe/ixgbe_pf.c | 4 +-
> drivers/net/null/rte_eth_null.c | 1 -
> drivers/net/pcap/rte_eth_pcap.c | 1 -
> drivers/net/qede/qede_ethdev.c | 24 +++---
> drivers/net/qede/qede_ethdev.h | 4 +
> drivers/net/ring/rte_eth_ring.c | 1 -
> drivers/net/virtio/virtio_ethdev.c | 95 +++++++++++++++-------
> drivers/net/virtio/virtio_user_ethdev.c | 2 +-
> drivers/net/vmxnet3/vmxnet3_ethdev.c | 3 +-
> drivers/net/xenvirt/rte_eth_xenvirt.c | 1 -
> lib/librte_eal/common/Makefile | 2 +-
> lib/librte_eal/common/eal_common_devargs.c | 7 ++
> lib/librte_eal/common/eal_common_options.c | 38 +++++++++
> lib/librte_eal/common/eal_internal_cfg.h | 3 +-
> lib/librte_eal/common/eal_options.h | 6 ++
> lib/librte_eal/common/eal_private.h | 5 ++
> lib/librte_eal/common/include/rte_common.h | 20 +++++
> lib/librte_eal/common/include/rte_dev.h | 17 +++-
> lib/librte_eal/common/include/rte_devargs.h | 8 ++
> lib/librte_eal/common/include/rte_pci.h | 1 +
> lib/librte_eal/common/include/rte_vdev.h | 1 +
> lib/librte_eal/linuxapp/eal/Makefile | 6 ++
> lib/librte_eal/linuxapp/eal/eal.c | 11 +++
> lib/librte_ether/rte_ethdev.c | 114 ++++++++++++++++++++++++--
> lib/librte_ether/rte_ethdev.h | 38 +++++++--
> mk/rte.app.mk | 1 +
> 53 files changed, 776 insertions(+), 343 deletions(-)
>
> --
> 2.11.0
>
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