An API/ABI change is planned for 17.11 to change following
* Remove unused flag param from rte_mempool_generic_get and _put.
* Change data type for mempool 'flag' from int to unsigned int.
Refer [1].
* Add struct rte_mempool * param into func rte_mempool_xmem_size,
rte_mempool_xmem_usage to make it mempool aware.
Refer [2].
[1] http://dpdk.org/dev/patchwork/patch/25603/
[2] http://dpdk.org/dev/patchwork/patch/25605/
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
When we run DPDK on guest or VFIO mode on host,
the dpdk library or device will not be directly accessing
the physical address. Instead, the device does go through
an IO address translation memory management unit. On x86,
we call it as IOMMU and on ARM as SMMU.
More details:
http://osidays.com/osidays/wp-content/uploads/2014/12/Final_OSI2014_IOMMU_DetailedView_Sanil_Anurup.pdf
Based on discussion in the following thread
http://dpdk.org/ml/archives/dev/2017-July/070850.html
We would like to change reference to physical address to more
appropriate name as with IOMMU/SMMU with
the device won't be dealing directly with the physical address.
An ABI change is planned for 17.11 to change following
data structure or functions to more appropriate name.
Currently planned to change it iova as instead of phys
Please note: The change will be only for the name and
functional aspects of the API will remain same.
Following functions/data structures name may change.
This list is based on v17.05-rc1. It may change based on v17.11 code base.
typedef:
phys_addr_t
structures:
struct rte_memseg::phys_addr
struct rte_mbuf::buf_physaddr
functions:
rte_mempool_populate_phys()
rte_mempool_populate_phys_tab()
rte_eal_using_phys_addrs()
rte_mem_virt2phy()
rte_dump_physmem_layout()
rte_eal_get_physmem_layout()
rte_eal_get_physmem_size()
rte_malloc_virt2phy()
rte_mem_phy2mch()
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
Following the calls on the mailing list:
http://dpdk.org/ml/archives/dev/2017-June/068151.html
The Technical Board decided to drop Xen dom0 support from EAL:
http://dpdk.org/ml/archives/dev/2017-June/068615.html
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
The vdev subsystem is a driver,
and the struct rte_pci_driver is not used anymore
in generic driver interfaces.
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
The replacement function rte_log_get_level() has just been implemented
in 17.08. Better to postpone the removal of legacy functions to 17.11.
Fixes: 4f0981e6ec ("eal: deprecate log functions")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
Add prog_guide doc to explain the design of the GRO library.
Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Existing qede PMD code already supports NPAR feature.
So adding this in "Supported Features" section after testing it with
latest DPDK.
Also, add myself to the list of maintainers of qede PMD
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Rasesh Mody <rasesh.mody@cavium.com>
Hugepages are just that, hugepages. The TLB is a sort of cache for doing
address translation and does not need to be referenced in the title, since
"TLB hugepages" doesn't make any sense (as there are no non-TLB hugepages
that you can allocate).
Fixes: 6e718ae062 ("doc: release notes 1.7")
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Since modern kernels don't allow unprivileged processes to read the
pagemaps file, the instructions on running as non-root are out-of-date. Add
a note clarifying that they will only work with earlier kernel versions.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Document NIC features, add more information about them and add more
implementation related support.
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Signed-off-by: John McNamara <john.mcnamara@intel.com>
Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Update the "make help" output to reflect the additions
of make targets for tags database generation.
Fixes: aafaea3d3b ("devtools: add tags and cscope index generation")
Signed-off-by: Gabriel Carrillo <erik.g.carrillo@intel.com>
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Users can now use 'make defconfig' to generate a configuration using
the most appropriate defaults for the current machine.
<arch-machine-execenv-toolchain>
arch taken from uname -m
machine defaults to native
execenv is taken from uname, Linux=linuxapp, otherwise bsdapp
toolchain is taken from $CC -v to see which compiler to use
Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Tested-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
The original purpose of this deprecation is to make sure PCI devices
are reset whenever DPDK apps crash.
Since the commit b58eedfc7d from Shijith can fix this problem without
deprecating anything, now there is no need to deprecate iomem and ioport
mapping in igb_uio.
Fixes: 3bac1dbc1e ("doc: announce iomem and ioport removal from igb_uio")
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
The metrics headers were listed in misc section,
whereas they belong to the device API family.
Fixes: 349950ddb9 ("metrics: add information metrics library")
Fixes: 2ad7ba9a65 ("bitrate: add bitrate statistics library")
Fixes: 5cd3cac9ed ("latency: added new library for latency stats")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: John McNamara <john.mcnamara@intel.com>
The keepalive header was listed in misc section,
despite its doxygen comment is "LCore Keepalive Monitor".
Fixes: 75583b0d1e ("eal: add keep alive monitoring")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: John McNamara <john.mcnamara@intel.com>
It is very difficult to list OS which are really supported.
Instead of continuing this unrealistic effort, a more reliable list
of tested platforms and OS is updated in the release notes.
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: John McNamara <john.mcnamara@intel.com>
Add tested Intel platforms with Intel NICs to the release note.
Signed-off-by: Yulong Pei <yulong.pei@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Added notes to the documentation warning that if UEFI secure boot
is enabled the Linux kernel may disallow the use of UIO on the
system, and a suggested workaround of using the vfio-pci kernel
module instead of igb_uio or uio_pci_generic.
Signed-off-by: John McNamara <john.mcnamara@intel.com>
Add How-To doc to describe the use of the pdump library
and the dpdk-pdump tool to capture traffic on DPDK
ports.
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
This patch adds description of the traffic management api to dpdk
programmers guide.
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Vector code is very young and can present some issues for users, to avoid
them to modify the selections function by commenting the code and recompile
the PMD, new devices parameters are added to deactivate the Tx and/or Rx
vector code.
By using such device parameters, the user will be able to fall back to
regular burst functions.
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
Current mlx4 OFED version has bug which returns error to
ibv destroy functions when the device was plugged out, in
spite of the resources were destroyed correctly.
Hence, failsafe PMD was aborted, only in debug mode, when
it tries to remove the device in plug-out process.
The workaround added option to replace all claim_zero
assertions with debugging messages, by the way, this option
affects non ibv destroy assertions.
DPDK 18.02 release should work with Mellanox OFED-4.2 which will
include the verbs fix to this bug, then, this patch can
be removed.
Signed-off-by: Matan Azrad <matan@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Fixes: 0667319395 ("doc: add libnuma as dependency")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: John McNamara <john.mcnamara@intel.com>
With this commit, the correct method to use git fixline to indicate
a fix of a previous commit has changed. The new rules require the
author of the original code that is being fixed to be on CC.
The logic behind this improvement is that if there is a genuine bug,
one of the ideal people to review is the author of the original code
being fixed. Adding them on Cc makes them aware of the patch, avoiding
it from being passed by accidentally while reading the mailing-list.
Given that the original author (now on Cc:) might not actually review,
there is no value in keeping the Cc: in git commit history. If the
original author performs a review, their Reviewed-by: or Acked-by: is
stored in git history (same as now).
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
The work on ethdev Rx and Tx offloads has not been completed for 17.08.
It will be completed on 17.11
The notice is kept and postponed until the end of this work.
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
The Linux Getting Started Guide contains
parts which are specific for i40e PMD. This results
in confusion for users which read the guide at their
first try with DPDK.
Moving those parts to the i40e NIC manual.
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
UIO is not a must for all PMDs.
Cleaning up the Linux Getting Started Guide from this hard requirement.
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
The UIO and VFIO sections should not be part of
the "Compiling the DPDK Target from Source" chapter,
as it is PMD specific and not true for all PMDs.
Instead, moving those sections to a new chapter
which include all kernel drivers being used along with
the different PMDs.
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Supported features which were not included:
* ARMv8
* Extended stats
Not supported features which were wrongly included:
* Inner L3 checksum
* Inner L4 checksum
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Enable the functions set link down and set link up in i40e by check
phy_type, and fix the issue of auto negotiation failed in XXV710 when
bind kernel driver after unbind from DPDK driver by modify the speed
setting distinguish from set link up and down. With this fix, if unbind
DPDK to bind kernel driver, no need to set auto negotiation and ifconfig
up anymore, remove the part from doc.
Fixes: ca7e599d45 ("net/i40e: fix link management")
Fixes: 2f1e228174 ("i40e: skip link control as firmware workaround")
Fixes: 6e145fcc75 ("i40e: support autoneg or force link speed")
Cc: stable@dpdk.org
Signed-off-by: Jeff Guo <jia.guo@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
In order to illustrate in a simple way how to use
the cryptodev API to perform a basic crypto operation,
sample code has been added in the Programmer's Guide.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Documentation of some virtual crypto PMDs have a sample command line
to show how to initialize the device on a specific application,
L2fwd-crypto.
This was meant to be used as a reference, but these lines themselves
do not work, as the sample application used required more parameters,
which are added in this commit to have a fully functional example.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
The function rte_cryptodev_create_vdev is an alias
for rte_vdev_init() which is scheduled to move out of the
rte_eal library. Lets deprecate this function to be able to
remove it from the cryptodev library in 17.11.
Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
L2fwd-crypto app was modified with various changes
in its code. The application user guide contains
some code snippets that needed to be updated.
Fixes: 2661f4fbe9 ("examples/l2fwd-crypto: add AEAD parameters")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
A new version of the LibSSO ZUC library has been released.
This version includes shared library support and bug fixes.
This commit extends the instructions to install and initialize
the PMD with the new library, enabling also the PMD to be
compiled as a shared library.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
The _rte_eth_dev_callback_process function has been modified.
The return value has been changed form void to int and an
extra parameter "void *ret_param" has been added.
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
There were mising :: so file was parsed in wrong way
Fixes: c735b831b0 ("app/testpmd: add cmd for dedicated LACP Rx/Tx queues")
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
This patch adds a new option to enable/disable the
MAC addresses updating done at forwarding time: --[no-]mac-updating
By default, MAC address updating remains enabled, to keep consistency
with previous usage.
Signed-off-by: Kuba Kozak <kubax.kozak@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Crypto operation status RTE_CRYPTO_OP_STATUS_ENQUEUED is removed
from rte_crypto.h as it is not needed for crypto operation processing.
This status value is redundant to RTE_CRYPTO_OP_STATUS_NOT_PROCESSED value
and it was not intended to be part of public API.
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
The corelist parameter for the multi-core scheduling mode
needed some extra explanation on how to use it.
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
Crypto keys and digests are not expected
to be big, so using a uint16_t to store
their lengths should be enough.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
Older generations of QuickAssist hardware
may not support all algorithms supported by newer
generations. When sessions were specific to the device
this only needed to be handled on session creation.
With device-agnostic sessions, a session created
for a newer device may get routed to an older device which
can't support it.
This patch adds an enum to define QAT device generations
and uses this to detect and handle the above case on the
data path.
It also renames the capabilities structures and #defines
to match the generation names and adds the generation
to the device table in the documentation.
Fixes: b3bbd9e5f2 ("cryptodev: support device independent sessions")
Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
For KASUMI F9 algorithm, COUNT, FRESH and DIRECTION
input values need to be contiguous with
the message, as described in the KASUMI and QAT PMD
documentation.
Before, the COUNT and FRESH values were set
as part of the AAD (now IV), but always set before
the beginning of the message.
Since now the IV is set after the crypto operation,
it is not possible to have these values in the
expected location.
Therefore, as these are required to be contiguous,
cryptodev API will expect these them to be passed
as a single buffer, already constructed, so
authentication IV parameters not needed anymore.
Fixes: 681f540da5 ("cryptodev: do not use AAD in wireless algorithms")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
SNOW3G and KASUMI SW libraries encrypt buffers
assuming that they are padded to a specific block size.
This behaviour can be changed to avoid buffer overflow,
by modifying the Makefile of these libraries.
Therefore, the Installation section in the SNOW3G and
KASUMI documentation has been extended, to document
this case.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
For KASUMI, SNOW3G and ZUC algorithms, offsets and lengths
of the data to cipher or authenticate is provided in bits,
but QAT does not support non-byte aligned values,
although only KASUMI and SNOW3G were mentioned.
Fixes: d9b7d5bbc8 ("crypto/qat: add ZUC EEA3/EIA3 capability")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
AESNI MB PMD supports sessionless operations,
but the documentation was stating that only
operations with session were supported.
Fixes: 924e84f873 ("aesni_mb: add driver for multi buffer based crypto")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
QAT supports authentication only operations,
for any authentication algorithm (such as SHA1-HMAC),
as long as it is supported by QAT, so it means
that it is not necessary to create a chained operation
in order to use these algorithms.
Fixes: 1703e94ac5 ("qat: add driver for QuickAssist devices")
CC: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
AESNI GCM PMD now supports 192-bit keys for AES-GCM,
so the supported algorithm table should be updated.
Fixes: 6f16aab09a ("crypto/aesni_gcm: migrate to Multi-buffer library")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
Additional Authenticated Data (AAD) was removed from the
authentication parameters, but still the supported size
was part of the authentication capabilities of a PMD.
Fixes: 4428eda8bb ("cryptodev: remove AAD from authentication structure")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
crypto_armv8, crypto_scheduler and crypto_dpaa2_sec
are added in the documentation
Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Crypto driver names were changed in 16.11,
but some guides were still using the old ones
(which are still valid, only kept for compatibility
reasons).
To keep consistency and avoid confusion, all guides
should be using the same driver names.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Sample command lines for crypto scheduler were not correct,
due to:
- Typo in "crypto_scheduler" driver name
- Multiple virtual devices require having unique names,
driver name + a suffix, otherwise, just a single device is
created.
Fixes: d58a3f3125 ("crypto/scheduler: add documentation")
Cc: stable@dpdk.org
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Listen to INTR_RMV events issued by slaves.
Add atomic flags on slave queues to detect use of slave bursts function.
If a removal is detected, set the recollection flag on this slave.
During a slave upkeep round, if its recollection flag is set and its
burst functions are not in use by any thread, remove that slave.
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Olga Shern <olgas@mellanox.com>
Add the "exec" device type.
The parameters given to this type of device will be executed in a shell.
The output of this command is then used as a definition for a device.
That command can be re-interpreted if the related device is not
plugged-in. It allows for a device definition to react to system
changes (e.g. changing PCI bus for a given device).
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Olga Shern <olgas@mellanox.com>
Periodically check for the existence of a device.
If a device has not been initialized and exists on the system, then it
is probed and configured.
The configuration process strives to synchronize the states between the
plugged-in sub-device and the fail-safe device.
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Olga Shern <olgas@mellanox.com>
Introduce the fail-safe poll mode driver initialization and enable its
build infrastructure.
This PMD allows for applications to benefit from true hot-plugging
support without having to implement it.
It intercepts and manages Ethernet device removal events issued by
slave PMDs and re-initializes them transparently when brought back.
It also allows defining a contingency to the removal of a device, by
designating a fail-over device that will take on transmitting operations
if the preferred device is removed.
Applications only see a fail-safe instance, without caring for
underlying activity ensuring their continued operations.
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Olga Shern <olgas@mellanox.com>
VF performance is limited by the kernel PCI extended tag setting.
Update the document to explain the known issue and the workaround.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
vhost-user protocol is common to many virtio devices, such as
virtio_net/virtio_scsi/virtio_blk. Since DPDK vhost library
removed the NET specific data structures, the vhost library
is common to other virtio devices, such as virtio-scsi.
Here we introduce a simple memory based block device that
can be presented to Guest VM through vhost-user-scsi-pci
controller. Similar with vhost-net, the sample application
will process the I/Os sent via virt rings.
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Introducing the DEV_TX_OFFLOAD_MT_LOCKFREE TX capability flag.
if a PMD advertises DEV_TX_OFFLOAD_MT_LOCKFREE capable, multiple threads
can invoke rte_eth_tx_burst() concurrently on the same tx queue without
SW lock. This PMD feature will be useful in the following use cases and
found in the OCTEON family of NPUs.
1) Remove explicit spinlock in some applications where lcores
to TX queues are not mapped 1:1.
example: OVS has such instance
https://github.com/openvswitch/ovs/blob/master/lib/netdev-dpdk.c#L299https://github.com/openvswitch/ovs/blob/master/lib/netdev-dpdk.c#L1859
See the the usage of tx_lock spinlock.
2) In the eventdev use case, avoid dedicating a separate TX core for
transmitting and thus enables more scaling as all workers can
send the packets.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
This commit shows how easy it is to enable a specific
DPDK component with a service callback, in order to get
CPU cycles for it.
The beauty of this method is that the service is unaware
of how much CPU time it is getting - the application can
decide how to split and slice cores and map them to the
registered services.
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Add header files, update .map files with new service
functions, and add the service header to the doxygen
for building.
This service header API allows DPDK to use services as
a concept of something that requires CPU cycles. An example
is a PMD that runs in software to schedule events, where a
hardware version exists that does not require a CPU.
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Providing this parameter requests flow API isolated mode on all ports at
initialization time. It ensures all traffic is received through the
configured flow rules only (see flow command).
Ports that do not support this mode are automatically discarded.
Signed-off-by: Vasily Philipov <vasilyf@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Added API change description - moved bypass functions
from the rte_ethdev library to ixgbe PMD
Fixes: e261265e42 ("ethdev: move bypass functions to ixgbe PMD")
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
NXP Copyright has been wrongly worded with '(c)' at various places.
This patch removes these extra characters. It also removes
"All rights reserved".
Only NXP copyright syntax is changed. Freescale copyright is not
modified.
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
The ReadTheDocs theme is no longer available by default in
Sphinx versions >= 1.3.1 and if it isn't available then an
exception is raised. This patch imports the ReadTheDocs
theme when it is available and warns but proceeds when it
isn't.
Signed-off-by: John McNamara <john.mcnamara@intel.com>
Add a note to indicate that only first four ports can be
tested with this application.
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Updated note to make users aware that the packet capture framework
is initialized by default only in testpmd. Other primary applications
need to explicitly modify the code to do this initialization.
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Add libnuma as a dependency to the Linux Getting Started Guide
since it is a new requirement in DPDK 17.08+.
Fixes: 1b72605d24 ("mem: balanced allocation of hugepages")
Signed-off-by: John McNamara <john.mcnamara@intel.com>
This patch enables TCP/IPv4 GRO library in csum forwarding engine.
By default, GRO is turned off. Users can use command "gro (on|off)
(port_id)" to enable or disable GRO for a given port. If a port is
enabled GRO, all TCP/IPv4 packets received from the port are performed
GRO. Besides, users can set max flow number and packets number per-flow
by command "gro set (max_flow_num) (max_item_num_per_flow) (port_id)".
Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Reviewed-by: Jingjing Wu <jingjing.wu@intel.com>
Tested-by: Lei Yao <lei.a.yao@intel.com>
In this patch, we introduce five APIs to support TCP/IPv4 GRO.
- gro_tcp4_reassemble: reassemble an inputted TCP/IPv4 packet.
- gro_tcp4_tbl_create: create a TCP/IPv4 reassembly table, which is used
to merge packets.
- gro_tcp4_tbl_destroy: free memory space of a TCP/IPv4 reassembly table.
- gro_tcp4_tbl_pkt_count: return the number of packets in a TCP/IPv4
reassembly table.
- gro_tcp4_tbl_timeout_flush: flush timeout packets from a TCP/IPv4
reassembly table.
TCP/IPv4 GRO API assumes all inputted packets are with correct IPv4
and TCP checksums. And TCP/IPv4 GRO API doesn't update IPv4 and TCP
checksums for merged packets. If inputted packets are IP fragmented,
TCP/IPv4 GRO API assumes they are complete packets (i.e. with L4
headers).
In TCP/IPv4 GRO, we use a table structure, called TCP/IPv4 reassembly
table, to reassemble packets. A TCP/IPv4 reassembly table includes a key
array and a item array, where the key array keeps the criteria to merge
packets and the item array keeps packet information.
One key in the key array points to an item group, which consists of
packets which have the same criteria value. If two packets are able to
merge, they must be in the same item group. Each key in the key array
includes two parts:
- criteria: the criteria of merging packets. If two packets can be
merged, they must have the same criteria value.
- start_index: the index of the first incoming packet of the item group.
Each element in the item array keeps the information of one packet. It
mainly includes three parts:
- firstseg: the address of the first segment of the packet
- lastseg: the address of the last segment of the packet
- next_pkt_index: the index of the next packet in the same item group.
All packets in the same item group are chained by next_pkt_index.
With next_pkt_index, we can locate all packets in the same item
group one by one.
To process an incoming packet needs three steps:
a. check if the packet should be processed. Packets with one of the
following properties won't be processed:
- FIN, SYN, RST, URG, PSH, ECE or CWR bit is set;
- packet payload length is 0.
b. traverse the key array to find a key which has the same criteria
value with the incoming packet. If find, goto step c. Otherwise,
insert a new key and insert the packet into the item array.
c. locate the first packet in the item group via the start_index in the
key. Then traverse all packets in the item group via next_pkt_index.
If find one packet which can merge with the incoming one, merge them
together. If can't find, insert the packet into this item group.
Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Reviewed-by: Jianfeng Tan <jianfeng.tan@intel.com>
Generic Receive Offload (GRO) is a widely used SW-based offloading
technique to reduce per-packet processing overhead. It gains
performance by reassembling small packets into large ones. This
patchset is to support GRO in DPDK. To support GRO, this patch
implements a GRO API framework.
To enable more flexibility to applications, DPDK GRO is implemented as
a user library. Applications explicitly use the GRO library to merge
small packets into large ones. DPDK GRO provides two reassembly modes.
One is called lightweight mode, the other is called heavyweight mode.
If applications want to merge packets in a simple way and the number
of packets is relatively small, they can use the lightweight mode.
If applications need more fine-grained controls, they can choose the
heavyweight mode.
rte_gro_reassemble_burst is the main reassembly API which is used in
lightweight mode and processes N packets at a time. For applications,
performing GRO in lightweight mode is simple. They just need to invoke
rte_gro_reassemble_burst. Applications can get GROed packets as soon as
rte_gro_reassemble_burst returns.
rte_gro_reassemble is the main reassembly API which is used in
heavyweight mode and tries to merge N inputted packets with the packets
in GRO reassembly tables. For applications, performing GRO in heavyweight
mode is relatively complicated. Before performing GRO, applications need
to create a GRO context object, which keeps reassembly tables of
desired GRO types, by rte_gro_ctx_create. Then applications can use
rte_gro_reassemble to merge packets. The GROed packets are in the
reassembly tables of the GRO context object. If applications want to get
them, applications need to manually flush them by flush API.
Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Reviewed-by: Jianfeng Tan <jianfeng.tan@intel.com>
Introduce a more versatile helper to parse device strings. This
helper expects a generic rte_devargs structure as storage in order not
to require API changes in the future, should this structure be
updated.
The old equivalent function is thus being deprecated, as its API does
not allow to accompany rte_devargs evolutions.
A deprecation notice is issued.
This new helper will parse bus information as well as device name and
device parameters. It does not allocate an rte_devargs structure and
expects one to be given as input.
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Fix document for fuzzy match and GRE
Fixes: a3a2e2c8f7 ("ethdev: add fuzzy match in flow API")
Fixes: 7cd048321d ("ethdev: add MPLS and GRE flow API items")
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Replace the incorrect reference to "Cavium Networks", "Cavium Ltd"
company name with correct the "Cavium, Inc" company name in
copyright headers.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Guduri Prathyusha <gprathyusha@caviumnetworks.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Guduri Prathyusha <gprathyusha@caviumnetworks.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Guduri Prathyusha <gprathyusha@caviumnetworks.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Guduri Prathyusha <gprathyusha@caviumnetworks.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
