dpdk.git
9 years agomk: add thunderx machine target based on armv8-a
Jerin Jacob [Fri, 6 Nov 2015 09:40:29 +0000 (15:10 +0530)]
mk: add thunderx machine target based on armv8-a

Created the new thunderx machine target to address difference
in "cache line size" and "-mcpu=thunderx" vs default armv8-a machine target

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agomk: introduce ARMv8 architecture
Jerin Jacob [Fri, 6 Nov 2015 09:40:28 +0000 (15:10 +0530)]
mk: introduce ARMv8 architecture

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoacl: add NEON optimization for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:27 +0000 (15:10 +0530)]
acl: add NEON optimization for ARMv8

The implementation uses NEON gcc intrinsic.
Verified with testacl and acl_autotest applications on arm64 architecture.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
9 years agoeal/arm: add CPU flags for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:21 +0000 (15:10 +0530)]
eal/arm: add CPU flags for ARMv8

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoeal/arm: add vector header for ARM NEON
Jerin Jacob [Mon, 2 Nov 2015 23:47:25 +0000 (00:47 +0100)]
eal/arm: add vector header for ARM NEON

Added the definition of rte_xmm and xmm_t for acl neon implementation.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoeal/arm: add memcpy based on libc for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:24 +0000 (15:10 +0530)]
eal/arm: add memcpy based on libc for ARMv8

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoeal/arm: add atomic operations for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:20 +0000 (15:10 +0530)]
eal/arm: add atomic operations for ARMv8

except rte_?wb() functions other functions are used from
RTE_FORCE_INTRINSICS=y scheme

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoeal/arm: add prefetch operations for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:22 +0000 (15:10 +0530)]
eal/arm: add prefetch operations for ARMv8

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agoeal/arm: add cpu cycle operations for ARMv8
Jerin Jacob [Fri, 6 Nov 2015 09:40:23 +0000 (15:10 +0530)]
eal/arm: add cpu cycle operations for ARMv8

cntcvt_el0 ticks are not based on cpu clk unlike rdtsc in x86.
Its a fixed clock running based at constant speed.
Though its a armv8-a implementer choice, typically it runs at 50 or 100 MHz

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
9 years agomk: introduce ARMv7 architecture
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:27 +0000 (00:47 +0100)]
mk: introduce ARMv7 architecture

Make DPDK run on ARMv7-A architecture. This patch assumes
ARM Cortex-A9. However, it is known to be working on Cortex-A7
and Cortex-A15.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agomk: ignore alignment errors for ARMv7
Jan Viktorin [Mon, 2 Nov 2015 23:47:26 +0000 (00:47 +0100)]
mk: ignore alignment errors for ARMv7

There several issues with alignment when compiling for ARMv7.
They are not considered to be fatal (ARMv7 supports unaligned
access of 32b words), so we just leave them as warnings. They
should be solved later, however.

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: detect ARMv7 architecture in CPU flags
Jan Viktorin [Mon, 2 Nov 2015 23:47:23 +0000 (00:47 +0100)]
eal/arm: detect ARMv7 architecture in CPU flags

Based on the patch by David Hunt and Armuta Zende:

  lib: added support for armv7 architecture

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Amruta Zende <amruta.zende@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add CPU flags for ARMv7
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:22 +0000 (00:47 +0100)]
eal/arm: add CPU flags for ARMv7

This implementation is based on IBM POWER version of
rte_cpuflags. We use software emulation of HW capability
registers, because those are usually not directly accessible
from userspace on ARM.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: use vector memcpy only when NEON is enabled
Jan Viktorin [Mon, 2 Nov 2015 23:47:21 +0000 (00:47 +0100)]
eal/arm: use vector memcpy only when NEON is enabled

The GCC can be configured to avoid using NEON extensions.
For that purpose, we provide just the memcpy implementation
of the rte_memcpy.

Based on the patch by David Hunt and Armuta Zende:

  lib: added support for armv7 architecture

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Amruta Zende <amruta.zende@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add vector memcpy for ARMv7
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:20 +0000 (00:47 +0100)]
eal/arm: add vector memcpy for ARMv7

The SSE based memory copy in DPDK only support x86. This patch
adds ARM NEON based memory copy functions for ARM architecture.

The implementation improves memory copy of short or well aligned
data buffers. The following measurements show improvements over
the libc memcpy on Cortex CPUs.

               by X % faster
Length (B)   a15    a7     a9
   1         4.9  15.2    3.2
   7        56.9  48.2   40.3
   8        37.3  39.8   29.6
   9        69.3  38.7   33.9
  15        60.8  35.3   23.7
  16        50.6  35.9   35.0
  17        57.7  35.7   31.1
  31        16.0  23.3    9.0
  32        65.9  13.5   21.4
  33         3.9  10.3   -3.7
  63         2.0  12.9   -2.0
  64        66.5   0.0   16.5
  65         2.7   7.6  -35.6
 127         0.1   4.5  -18.9
 128        66.2   1.5  -51.4
 129        -0.8   3.2  -35.8
 255        -3.1  -0.9  -69.1
 256        67.9   1.2    7.2
 257        -3.6  -1.9  -36.9
 320        67.7   1.4    0.0
 384        66.8   1.4  -14.2
 511       -44.9  -2.3  -41.9
 512        67.3   1.4   -6.8
 513       -41.7  -3.0  -36.2
1023       -82.4  -2.8  -41.2
1024        68.3   1.4  -11.6
1025       -80.1  -3.3  -38.1
1518       -47.3  -5.0  -38.3
1522       -48.3  -6.0  -37.9
1600        65.4   1.3  -27.3
2048        59.5   1.5  -10.9
3072        52.3   1.5  -12.2
4096        45.3   1.4  -12.5
5120        40.6   1.5  -14.5
6144        35.4   1.4  -13.4
7168        32.9   1.4  -13.9
8192        28.2   1.4  -15.1

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add rwlock operations for ARM
Jan Viktorin [Mon, 2 Nov 2015 23:47:24 +0000 (00:47 +0100)]
eal/arm: add rwlock operations for ARM

Just a copy from PPC.

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add spinlock operations for ARM
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:19 +0000 (00:47 +0100)]
eal/arm: add spinlock operations for ARM

This patch adds spinlock operations for ARM architecture.
We do not support HTM in spinlocks on ARM. Setting of the
RTE_FORCE_INTRINSICS=y is required.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add atomic operations for ARMv7
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:14 +0000 (00:47 +0100)]
eal/arm: add atomic operations for ARMv7

This patch adds architecture specific atomic operation file
for ARM architecture. The RTE_FORCE_INTRINSICS=y is required.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add prefetch operations for ARMv7
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:18 +0000 (00:47 +0100)]
eal/arm: add prefetch operations for ARMv7

This patch adds architecture specific prefetch operations
for ARM architecture. It utilizes the pld instruction that
starts filling the appropriate cache line without blocking.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: read timer from PMU if enabled
Jan Viktorin [Mon, 2 Nov 2015 23:47:17 +0000 (00:47 +0100)]
eal/arm: read timer from PMU if enabled

Enable to choose a preferred way to read timer based on the
configuration entry CONFIG_RTE_ARM_EAL_RDTSC_USE_PMU.
It requires a kernel module that is not included to work.

Based on the patch by David Hunt and Armuta Zende:

  lib: added support for armv7 architecture

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Amruta Zende <amruta.zende@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add cpu cycle operations for ARMv7
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:16 +0000 (00:47 +0100)]
eal/arm: add cpu cycle operations for ARMv7

ARM architecture doesn't have a suitable source of CPU cycles. This
patch uses clock_gettime instead. The implementation should be improved
in the future.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal/arm: add byte order operations for ARM
Vlastimil Kosar [Mon, 2 Nov 2015 23:47:15 +0000 (00:47 +0100)]
eal/arm: add byte order operations for ARM

This patch adds architecture specific byte order operations
for ARM. The architecture supports both big and little endian.
It requires RTE_FORCE_INTRINSICS=y.

Signed-off-by: Vlastimil Kosar <kosar@rehivetech.com>
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agodoc: add PTP client sample guide
Daniel Mrzyglod [Fri, 13 Nov 2015 16:09:14 +0000 (16:09 +0000)]
doc: add PTP client sample guide

Add a sample app guide for the ptpclient application.

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoexamples/ptpclient: add minimal PTP client
Daniel Mrzyglod [Fri, 13 Nov 2015 16:09:13 +0000 (16:09 +0000)]
examples/ptpclient: add minimal PTP client

Add a sample application that acts as a PTP slave using the
DPDK ieee1588 functions.

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoapp/testpmd: add nanosecond output for ieee1588
Pablo de Lara [Fri, 13 Nov 2015 16:09:12 +0000 (16:09 +0000)]
app/testpmd: add nanosecond output for ieee1588

Testpmd was only printing out second values when printing
RX/TX timestamp value, instead of both second and nanoseconds.
Since resolution of time counters is in nanoseconds,
testpmd should print out both.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoi40e: support ieee1588 functions for device time
Pablo de Lara [Fri, 13 Nov 2015 16:09:11 +0000 (16:09 +0000)]
i40e: support ieee1588 functions for device time

Add additional functions to support the existing IEEE1588
functionality and to enable getting, setting and adjusting
the device time.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoigb: support ieee1588 functions for device time
Pablo de Lara [Fri, 13 Nov 2015 16:09:10 +0000 (16:09 +0000)]
igb: support ieee1588 functions for device time

Add additional functions to support the existing IEEE1588
functionality and to enable getting, setting and adjusting
the device time.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoixgbe: support ieee1588 functions for device time
Daniel Mrzyglod [Fri, 13 Nov 2015 16:09:09 +0000 (16:09 +0000)]
ixgbe: support ieee1588 functions for device time

Add additional functions to support the existing IEEE1588
functionality and to enable getting, setting and adjusting
the device time.

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoeal: add helpers for time conversions
Daniel Mrzyglod [Fri, 13 Nov 2015 16:09:08 +0000 (16:09 +0000)]
eal: add helpers for time conversions

Add common functions and structures to handle time, and cycle counts
which will be used for PTP processing.

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agoethdev: add ieee1588 functions for device clock time
Daniel Mrzyglod [Fri, 13 Nov 2015 16:09:07 +0000 (16:09 +0000)]
ethdev: add ieee1588 functions for device clock time

Add additional functions to support the existing IEEE1588
functionality.

  * rte_eth_timesync_write_time():  set the device clock time.
  * rte_eth_timesync_read_time():   get the device clock time.
  * rte_eth_timesync_adjust_time(): adjust the device clock time.

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Reviewed-by: John McNamara <john.mcnamara@intel.com>
9 years agofm10k: use common functions to manage DMA zone
Stephen Hemminger [Fri, 6 Nov 2015 00:09:34 +0000 (16:09 -0800)]
fm10k: use common functions to manage DMA zone

Adapt to Xen at runtime.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
9 years agoi40e: use common functions to manage DMA zone
Stephen Hemminger [Fri, 6 Nov 2015 00:09:33 +0000 (16:09 -0800)]
i40e: use common functions to manage DMA zone

Handle Xen support at runtime.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
9 years agoixgbe: use common functions to manage DMA zone
Stephen Hemminger [Fri, 6 Nov 2015 00:09:32 +0000 (16:09 -0800)]
ixgbe: use common functions to manage DMA zone

Adapt DMA memory for Xen at runtime.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
9 years agoe1000: use common functions to manage DMA zone
Stephen Hemminger [Fri, 6 Nov 2015 00:09:31 +0000 (16:09 -0800)]
e1000: use common functions to manage DMA zone

Use common code to handle Xen support at runtime.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
9 years agoxen: allow determining DOM0 at runtime
Stephen Hemminger [Fri, 6 Nov 2015 00:09:30 +0000 (16:09 -0800)]
xen: allow determining DOM0 at runtime

Add memory infrastructure for runtime Xen DOM0 support.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
9 years agoethdev: mark deprecated statistics with attribute
Stephen Hemminger [Fri, 6 Nov 2015 01:04:39 +0000 (17:04 -0800)]
ethdev: mark deprecated statistics with attribute

Use deprecated attribute to highlight any use of fields that
are marked as going away in the rte_ether device statistics.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agoexamples/ip_pipeline: remove references to deprecated statistics
Thomas Monjalon [Thu, 12 Nov 2015 21:58:37 +0000 (22:58 +0100)]
examples/ip_pipeline: remove references to deprecated statistics

Keep only basic statistics which should never been deprecated.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
9 years agoapp/testpmd: remove references to deprecated statistics
Stephen Hemminger [Fri, 6 Nov 2015 01:04:38 +0000 (17:04 -0800)]
app/testpmd: remove references to deprecated statistics

Some of the statistics are deprecated, so don't test them.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agobonding: do not sum deprecated statistics
Stephen Hemminger [Fri, 6 Nov 2015 01:04:34 +0000 (17:04 -0800)]
bonding: do not sum deprecated statistics

These statistics are marked deprecated, leave them alone.
Also keep track of imissed across all ports.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agocxgbe: do not report deprecated statistics
Stephen Hemminger [Fri, 6 Nov 2015 01:04:35 +0000 (17:04 -0800)]
cxgbe: do not report deprecated statistics

Some of the ethernet device statistics are marked deprecated
and should not be reported.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agoi40e: do not report deprecated statistics
Stephen Hemminger [Fri, 6 Nov 2015 01:04:36 +0000 (17:04 -0800)]
i40e: do not report deprecated statistics

The fields in ethernet statistics that are marked deprecated
should not be filled in.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agoe1000: do not report deprecated statistics
Stephen Hemminger [Fri, 6 Nov 2015 01:04:37 +0000 (17:04 -0800)]
e1000: do not report deprecated statistics

These fields are marked deprecated don't use them.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
9 years agoi40e: refactor xstats per queue handling
Harry van Haaren [Fri, 6 Nov 2015 14:12:55 +0000 (14:12 +0000)]
i40e: refactor xstats per queue handling

This patch refactors the queue and priority statistic handling.
Generic queue stats are presented by rte_eth_xstats_get(), and the
i40e_xstats_get() exposes only the extra stats.

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Maryam Tahhan <maryam.tahhan@intel.com>
9 years agoixgbe: refactor xstats per queue handling
Harry van Haaren [Fri, 6 Nov 2015 14:12:54 +0000 (14:12 +0000)]
ixgbe: refactor xstats per queue handling

This patch refactors the queue handling. Generic queue stats are
handled by rte_eth_xstats_get() and the ixgbe_xstats_get() exposes
only the extra stats.

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Maryam Tahhan <maryam.tahhan@intel.com>
9 years agoethdev: format generic xstats per queue always
Harry van Haaren [Fri, 6 Nov 2015 14:12:53 +0000 (14:12 +0000)]
ethdev: format generic xstats per queue always

This patch refactors the generic queue stats to be exposed
by rte_ethdev_xstats_get().

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Maryam Tahhan <maryam.tahhan@intel.com>
9 years agoeal: support driver loading from directory
Panu Matilainen [Tue, 10 Nov 2015 14:28:15 +0000 (16:28 +0200)]
eal: support driver loading from directory

Add support for directories as arguments to -d for loading all drivers
from a given directory. Additionally a default driver directory can be
set in build-time configuration, in which case it will be always be used
when EAL is initialized.

This simplifies usage in shared library configuration significantly over
manually loading individual drivers with -d, and allows distros to
establish a drop-in driver directory for seamless integration
with 3rd party drivers etc.

Suggested-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Suggested-by: David Marchand <david.marchand@6wind.com>
Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoeal: move plugin loading from linuxapp to common
Panu Matilainen [Tue, 10 Nov 2015 14:28:14 +0000 (16:28 +0200)]
eal: move plugin loading from linuxapp to common

There's no good reason to limit plugins to Linux, make it available
on FreeBSD too. Refactor the plugin code from Linux EAL to common
helper functions, also check for and fail on errors during initialization.

Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agomaintainers: replace for reorder library
Reshma Pattan [Wed, 21 Oct 2015 10:50:43 +0000 (11:50 +0100)]
maintainers: replace for reorder library

Updated maintainers list for reorder library

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
9 years agoreorder: fix unit test for random starting point
Reshma Pattan [Wed, 21 Oct 2015 10:50:44 +0000 (11:50 +0100)]
reorder: fix unit test for random starting point

The reorder library unit test was performed under the assumption that
the start sequence number was always 0.
This is not the case anymore as the start sequence number is initialized
by the first packet inserted into the reorder buffer.

This patch updates the unit test to reflect the new behavior.

Fixes: 7e1fa1de8a53 ("reorder: allow random number as starting point")

Reported-by: Mukesh Dua <mukesh.dua81@gmail.com>
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
9 years agodoc: add enic Tx improvement in release notes
John Daley [Fri, 6 Nov 2015 23:08:35 +0000 (15:08 -0800)]
doc: add enic Tx improvement in release notes

Signed-off-by: John Daley <johndale@cisco.com>
9 years agomaintainers: add maintainers for enic
John Daley [Thu, 5 Nov 2015 19:14:25 +0000 (11:14 -0800)]
maintainers: add maintainers for enic

Signed-off-by: John Daley <johndale@cisco.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
9 years agomaintainers: claim to be reviewer of virtio and vhost
Yuanhan Liu [Thu, 12 Nov 2015 04:10:40 +0000 (12:10 +0800)]
maintainers: claim to be reviewer of virtio and vhost

Firstly, Chuangchun's email address's been invalid for a while.

Secondly, I'd like to take the responsibility to review patches
of virtio/vhost component.

Cc: Huawei Xie <huawei.xie@intel.com>
Cc: Thomas Monjalon <thomas.monjalon@6wind.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
9 years agovhost: reset device properly
Yuanhan Liu [Thu, 12 Nov 2015 04:10:41 +0000 (12:10 +0800)]
vhost: reset device properly

Currently, we reset all fields of a device to zero when reset
happens, which is wrong, since for some fields like device_fh,
ifname, and virt_qp_nb, they should be same and be kept after
reset until the device is removed. And this is what's the new
helper function reset_device() for.

And use rte_zmalloc() instead of rte_malloc, so that we could
avoid init_device(), which basically dose zero reset only so far.
Hence, init_device() is dropped in this patch.

This patch also removes a hack of using the offset a specific
field (which is virtqueue now) inside of `virtio_net' structure
to do reset, which could be broken easily if someone changed the
field order without caution.

Cc: Tetsuya Mukawa <mukawa@igel.co.jp>
Cc: Huawei Xie <huawei.xie@intel.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Rich Lane <rich.lane@bigswitch.com>
9 years agovhost: make destroy callback on reset owner message
Rich Lane [Tue, 10 Nov 2015 02:15:13 +0000 (18:15 -0800)]
vhost: make destroy callback on reset owner message

QEMU sends VHOST_RESET_OWNER first when shutting down.
There was previously no way for the dataplane to know that the
virtio_net instance had become unusable and it would segfault
when trying to do RX/TX.

Signed-off-by: Rich Lane <rich.lane@bigswitch.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
9 years agoi40e: fix VSI allocation for VMDq
Helin Zhang [Thu, 12 Nov 2015 07:09:03 +0000 (15:09 +0800)]
i40e: fix VSI allocation for VMDq

It fixes the issue of trying to allocate more VSIs for VMDq than
hardware remaining. It adds a check of the hardware remaining
before allocating VSIs for VMDq.

Fixes: c80707a0fd9c ("i40e: fix VMDq pool limit")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
9 years agobonding: fix build with icc
Tomasz Kulasek [Thu, 5 Nov 2015 10:55:07 +0000 (11:55 +0100)]
bonding: fix build with icc

ICC complains about enumerated types being mixed in link bonding driver,
as ETH_MQ_RX_RSS is an enum type of mq_mode and not a bitmask as it was
being treated.

Fixes: 734ce47f71e0 ("bonding: support RSS dynamic configuration")

Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoixgbe: fix Tx hang when RS distance exceeds HW limit
Konstantin Ananyev [Tue, 10 Nov 2015 13:48:21 +0000 (13:48 +0000)]
ixgbe: fix Tx hang when RS distance exceeds HW limit

One of the ways to reproduce the issue:

testpmd <EAL-OPTIONS> -- -i --txqflags=0
testpmd> set fwd txonly
testpmd> set txpkts 64,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4
testpmd> set txsplit rand
testpmd> start

After some time TX on ixgbe queue will hang,
and all packet transmission on that queue will stop.

This bug was first reported and investigated by
Vlad Zolotarov <vladz@cloudius-systems.com>:
"We can reproduce this issue when stressed the xmit path with a lot of highly
fragmented TCP frames (packets with up to 33 fragments with non-headers
fragments as small as 4 bytes) with all offload features enabled."

The root cause is that ixgbe_xmit_pkts() in some cases violates the HW rule
that the distance between TDs with RS bit set should not exceed 40 TDs.

>From the latest 82599 spec update:
"When WTHRESH is set to zero, the software device driver should set the RS bit
in the Tx descriptors with the EOP bit set and at least once in the 40
descriptors."

The fix is to make sure that the distance between TDs with RS bit set
would never exceed HW limit.
As part of that fix, tx_rs_thresh for ixgbe PMD is not allowed to be greater
then to 32 to comply with HW restrictions.

With that fix slight slowdown for the full-featured ixgbe TX path
might be observed (from our testing - up to 4%).

ixgbe simple TX path is unaffected by that patch.

Reported-by: Vlad Zolotarov <vladz@cloudius-systems.com>
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoapp/testpmd: add ability to split outgoing packets
Konstantin Ananyev [Tue, 10 Nov 2015 13:48:20 +0000 (13:48 +0000)]
app/testpmd: add ability to split outgoing packets

For CSUM forwarding mode add ability to copy & split outgoing packet
into the new mbuf that consists of multiple segments.
For TXONLY and CSUM forwarding modes add ability to make number of
segments in the outgoing packet to vary on a per packet basis.
Number of segments and size of each segment is controlled by
'set txpkts' command.
Split policy is controlled by 'set txsplit' command.
Possible values are: on | off | rand.
Tha allows to increase test coverage for TX PMD codepaths.

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoi40e: fix stats reset
Harry van Haaren [Mon, 9 Nov 2015 10:22:22 +0000 (10:22 +0000)]
i40e: fix stats reset

This patch fixes a bug where only some of the statistics were being
reset when calling rte_eth_stats_reset() or rte_eth_xstats_reset().
As both the stats reset and xstats reset do the same, refactor away
the duplicated function.

This patch marks the VSI to update its offset, causing the stats be
look like they are reset.

Fixes: 9aace75fc82e ("i40e: fix statistics")

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Maryam Tahhan <maryam.tahhan@intel.com>
9 years agoi40e: fix memzone freeing
Helin Zhang [Wed, 11 Nov 2015 05:28:34 +0000 (13:28 +0800)]
i40e: fix memzone freeing

This fixes the issue of not freeing memzone in a call to free the
memory for adminq DMA.

Fixes: 4861cde46116 ("i40e: new poll mode driver")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
9 years agoi40e: fix VMDq pool limit
Helin Zhang [Wed, 11 Nov 2015 08:56:45 +0000 (16:56 +0800)]
i40e: fix VMDq pool limit

It fixes the issue of cannot using more than 1 poor for VMDq,
according to the queues left.

Fixes: 705b57f82054 ("i40e: enlarge the number of supported queues")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
9 years agoi40e: fix build with icc 2015
Pablo de Lara [Tue, 10 Nov 2015 10:19:40 +0000 (10:19 +0000)]
i40e: fix build with icc 2015

Fix for the following error on icc 2015, due to incorrect type:
drivers/net/i40e/i40e_fdir.c(1376): error #188:
enumerated type mixed with another type
case RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT:

Fixes: 98f05570 ("i40e: configure input fields for RSS or flow director")

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
9 years agoi40e: fix build with icc 13
Helin Zhang [Wed, 11 Nov 2015 06:11:15 +0000 (14:11 +0800)]
i40e: fix build with icc 13

It fixes compile issue on ICC 13.0.0.

Error logs:
i40e_ethdev.c(7943): error #188: enumerated type mixed with another type

Fixes: c8b9a3e3fe1b ("i40e: support DCB mode")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoapp/testpmd: fix build with icc 13
Helin Zhang [Wed, 11 Nov 2015 06:11:16 +0000 (14:11 +0800)]
app/testpmd: fix build with icc 13

It fixes compile issue on ICC 13.0.0.

Error logs:
app/test-pmd/cmdline.c(8160): error #188: enumerated type mixed
with another type
    entry.input.flow.tunnel_flow.tunnel_type =
        str2fdir_tunneltype(res->tunnel_type);

Fixes: 53b2bb9b7ea7 ("app/testpmd: new flow director commands")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoapp/testpmd: fix icmp echo Tx queues
David Marchand [Thu, 29 Oct 2015 08:47:03 +0000 (09:47 +0100)]
app/testpmd: fix icmp echo Tx queues

icmp echo forward engine relies on the core rank rather than the number of
queues available.
This fix is still wrong, because if we set a nb-rxq > nb-txq, then we will
use an invalid txq, but with this, we are aligned on other fwd engines.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoigbvf: fix vlan filtering
Julien Meunier [Tue, 3 Nov 2015 14:25:22 +0000 (15:25 +0100)]
igbvf: fix vlan filtering

Once posted through mailbox, we must check for nack from the PF
and report an error in this case.

Signed-off-by: Julien Meunier <julien.meunier@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
9 years agoenic: fix vlan filtering
Julien Meunier [Fri, 30 Oct 2015 16:13:23 +0000 (17:13 +0100)]
enic: fix vlan filtering

Report an error when something went wrong.

Signed-off-by: Julien Meunier <julien.meunier@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Sujith Sankar <ssujith@cisco.com>
9 years agoethdev: fix error handling in PCI fields copy
Bernard Iremonger [Fri, 6 Nov 2015 17:20:01 +0000 (17:20 +0000)]
ethdev: fix error handling in PCI fields copy

add return statement to if branch

Dereferencing NULL pointer reported by Coverity, CID 119256.
Dereferencing NULL pointer reported by Coverity, CID 119257.

Fixes: 494adb7f63f2 ("ethdev: add device fields from PCI layer")

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
9 years agoapp/testpmd: fix flow director help and doc
Wenzhuo Lu [Fri, 6 Nov 2015 07:49:30 +0000 (15:49 +0800)]
app/testpmd: fix flow director help and doc

After implementing the fdir new modes for x550, the CLIs are modified.
Forgot to update the related help info and doc.

Fixes: 53b2bb9b7ea7 ("app/testpmd: new flow director commands")

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoring: fix memory freeing on error
John McNamara [Fri, 6 Nov 2015 17:28:37 +0000 (17:28 +0000)]
ring: fix memory freeing on error

Fix minor memory free issue in error clean-up.

Reported-by Coverity (CID 119258)

Fixes: 651c505af862 ("ring: enhance device setup from rings")

Signed-off-by: John McNamara <john.mcnamara@intel.com>
9 years agoapp/test: increase memory for hash unit tests
Pablo de Lara [Fri, 6 Nov 2015 16:02:54 +0000 (16:02 +0000)]
app/test: increase memory for hash unit tests

Hash_autotest is in test group 2 which had only 32 MB
of memory, which is increased to 64 MB to make it run.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoapp/test: fix unit test for option -n
Pablo de Lara [Fri, 6 Nov 2015 15:15:13 +0000 (15:15 +0000)]
app/test: fix unit test for option -n

eal_flags_autotest was broken after commit
19bfa4dd ("eal: make the -n argument optional"),
since the unit test was checking that app would not run
if -n flag was missing, which now it is possible.

Also, subtest test_missing_n_flag() has been renamed
to test_invalid_n_flag(), as now -n flag is not compulsory.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agoversion: 2.2.0-rc1
Thomas Monjalon [Wed, 4 Nov 2015 23:48:18 +0000 (00:48 +0100)]
version: 2.2.0-rc1

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
9 years agodoc: fix release notes
Thomas Monjalon [Wed, 4 Nov 2015 23:40:39 +0000 (00:40 +0100)]
doc: fix release notes

A fix in hash library was in the drivers section.
Some ABI changes have been done without removing the notices.

Fixes: 62dbd2ffea9a ("ethdev: add more flow director modes")
Fixes: 381316f6a225 ("vhost-user: support protocol features")
Fixes: 5915699153d7 ("hash: fix scaling by reducing contention")

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
9 years agoigb_uio: fix build with kernel 4.3
David Hunt [Fri, 30 Oct 2015 12:14:17 +0000 (12:14 +0000)]
igb_uio: fix build with kernel 4.3

Fix to take this change into account: https://lkml.org/lkml/2015/7/9/101
Has been applied to Kernel 4.3.0-rc6

Linux: 4a7cc831 ("genirq/MSI: Move msi_list from struct pci_dev to struct device")

Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9 years agobonding: fix freeing with no queue
Raslsn Darawsheh [Mon, 26 Oct 2015 07:07:57 +0000 (09:07 +0200)]
bonding: fix freeing with no queue

In case of creating bond device without add any slaves and
quit from testpmd, application crashed since rx/tx queues
are NULL.

Add checking of this parameters before trying to free.

Signed-off-by: Raslsn Darawsheh <rdarawsheh@asaltech.com>
Signed-off-by: Yaacov Hazan <yaacovh@mellanox.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
9 years agobnx2x: fix probing driver for VF devices
Chas Williams [Mon, 2 Nov 2015 18:32:40 +0000 (13:32 -0500)]
bnx2x: fix probing driver for VF devices

Signed-off-by: Chas Williams <3chas3@gmail.com>
Acked-by: Harish Patil <harish.patil@qlogic.com>
9 years agoeal: do not reset getopt lib
Tiwei Bie [Mon, 19 Oct 2015 13:13:10 +0000 (21:13 +0800)]
eal: do not reset getopt lib

Someone may need to call rte_eal_init() with a fake argc/argv array
in the middle of using getopt() to parse its own unrelated argc/argv
parameters. So getopt lib shouldn't be reset by rte_eal_init().

Now eal will always save optind, optarg and optopt (and optreset on
FreeBSD) at the beginning, initialize optind (and optreset on FreeBSD)
to 1 before calling getopt_long(), then restore all values after.

Suggested-by: Don Provan <dprovan@bivio.net>
Suggested-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Tiwei Bie <btw@mail.ustc.edu.cn>
Reviewed-by: Don Provan <dprovan@bivio.net>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoethdev: fix link status race condition
Tim Shearer [Tue, 27 Oct 2015 21:38:55 +0000 (17:38 -0400)]
ethdev: fix link status race condition

Calling the Ethernet driver's link_update function from
rte_eth_dev_start can result in a race condition if the NIC raises
the link interrupt at the same time.
Depending on the interrupt handler implementation, the race can cause
the it to think that it received two consecutive link up interrupts,
and it exits without calling the user callback. Appears to impact
E1000/IGB and virtio drivers only.

Signed-off-by: Tim Shearer <tim.shearer@overturenetworks.com>
9 years agoethdev: clarify rate limit parameter
Simon Kagstrom [Tue, 20 Oct 2015 13:20:55 +0000 (15:20 +0200)]
ethdev: clarify rate limit parameter

The tx_rate unit is Mbps.

Gleaned from the ixgbe implementation, the 82599 datasheet and the use
in test-pmd.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
9 years agoixgbe: check for supported flow director behaviors
Andrey Chilikin [Wed, 30 Sep 2015 13:43:03 +0000 (14:43 +0100)]
ixgbe: check for supported flow director behaviors

Handle only supported flow director behaviors.

Signed-off-by: Andrey Chilikin <andrey.chilikin@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
9 years agoi40e: add flow director passthru
Andrey Chilikin [Wed, 30 Sep 2015 13:43:02 +0000 (14:43 +0100)]
i40e: add flow director passthru

Add support for RTE_ETH_FDIR_PASSTHRU flow director behavior so
output queue is assigned by other filters.

Signed-off-by: Andrey Chilikin <andrey.chilikin@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
9 years agoconfig: turn off fm10k driver on IBM POWER
Chao Zhu [Wed, 4 Nov 2015 06:15:26 +0000 (14:15 +0800)]
config: turn off fm10k driver on IBM POWER

The fm10k vector driver is specific for x86 platform which can't compile
on IBM POWER for lacking of tmmintrin.h header file. This patch turns
off fm10k driver compilation on IBM POWER to prevent compile issue.

Signed-off-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>
Acked-by: Michael Qiu <michael.qiu@intel.com>
9 years agoeal/bsd: fix build
Bruce Richardson [Wed, 4 Nov 2015 17:05:57 +0000 (17:05 +0000)]
eal/bsd: fix build

The i40e driver was using a #define value for the max number of rxtx interrupts
supported. This value was defined only for linux, giving an error when compiling
on FreeBSD.

  CC i40e_ethdev.o
/usr/home/bruce/dpdk.org/drivers/net/i40e/i40e_ethdev.c:3885:9: fatal error: use of undeclared
        identifier 'RTE_MAX_RXTX_INTR_VEC_ID'

Copying the necessary #define into the FreeBSD EAL header fixes the compile
error.

Fixes: d37641029ada ("eal/linux: add interrupt vectors")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
9 years agoixgbe: fix Rx errors statistics for UDP checksum
Harry van Haaren [Wed, 4 Nov 2015 16:14:43 +0000 (16:14 +0000)]
ixgbe: fix Rx errors statistics for UDP checksum

This patch removes l3_l4_xsum_errors from rx errors.

The reason to remove it is that UDP packets have an optional checksum, and
when not calculated the checksum field should be set to zero. When the
checksum is not calculated (zero-ed out), the hardware still counts a valid
UDP packet as an l3_l4_xsum_error.

This hardware issue is documented in 82599 errata, titled:
"Integrity Error Reported for IPv4/UDP Packets with Zero Checksum"

The solution is to remove l3_l4_xsum_errors from rx_errors, as discussed on
http://thread.gmane.org/gmane.comp.networking.dpdk.devel/25590/

Fixes: f6bf669b9900 ("ixgbe: account more Rx errors")

Suggested-by: Martin Weiser <martin.weiser@allegro-packets.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
9 years agoethdev: check queue state before starting or stopping
Pablo de Lara [Wed, 16 Sep 2015 21:51:24 +0000 (22:51 +0100)]
ethdev: check queue state before starting or stopping

Following the same approach taken with dev_started field
in rte_eth_dev_data structure, this patch adds two new fields
in it, rx_queue_state and tx_queue_state arrays, which track
which queues have been started and which not.

This is important to avoid trying to start/stop twice a queue,
which will result in undefined behaviour
(which may cause RX/TX disruption).

Mind that only the PMDs which have queue_start/stop functions
have been changed to update this field, as the functions will
check the queue state before switching it.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
9 years agoi40e: fix interrupt disabling when stopping
Jingjing Wu [Wed, 4 Nov 2015 15:01:25 +0000 (23:01 +0800)]
i40e: fix interrupt disabling when stopping

When stop device, should disable interrupt of FDIR but not
enable it. This patch corrected it.

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
9 years agoi40evf: support Rx interrupt
Cunming Liang [Wed, 4 Nov 2015 08:45:40 +0000 (16:45 +0800)]
i40evf: support Rx interrupt

The patch enables rx interrupt support on i40e VF and some necessary
change on PF IOV mode to support VF.
On PF side, running in IOV mode via uio won't allow rx interrupt
which is exclusive with mbox interrupt in single vector competition.
On VF side, one single vector is shared for all the rx queues.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoi40e: support Rx interrupt
Cunming Liang [Wed, 4 Nov 2015 08:45:39 +0000 (16:45 +0800)]
i40e: support Rx interrupt

The patch enables rx interrupt support on i40e PF non-IOV mode.
Per queue rx interrupt works on vfio, however on uio, all rx queues
share one interrupt vector.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoixgbevf: cleanup unnecessary interrupt handler
Cunming Liang [Wed, 4 Nov 2015 08:45:37 +0000 (16:45 +0800)]
ixgbevf: cleanup unnecessary interrupt handler

As ixgbe vf doesn't support lsc, the patch removes those unused code.
In addition, it does some tiny cleanup.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoixgbe: remove useless interrupt freeing when closing
Cunming Liang [Wed, 4 Nov 2015 08:45:36 +0000 (16:45 +0800)]
ixgbe: remove useless interrupt freeing when closing

The intr_vec is free in dev_stop. It's not necessary to check in dev_close.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoixgbe: fix VF start with PF stopped
Cunming Liang [Wed, 4 Nov 2015 08:45:35 +0000 (16:45 +0800)]
ixgbe: fix VF start with PF stopped

When ixgbe runs as a PF, mbox interrupt is prerequisite to make VF
start normally.
And PF sometimes won't 'dev_start', so the mbox interrupt register
during 'dev_init' is required.
The patch rolls back the interrupt register for mbox,lsc to the 'dev_init'.
As UIO doesn't support multiple vector, mbox has to occupy the only one.
It adds condition check on 'dev_start', rxq interrupt is not allowed
when PF running in IOV mode via UIO.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoigb: fix VF start with PF stopped
Cunming Liang [Wed, 4 Nov 2015 08:45:38 +0000 (16:45 +0800)]
igb: fix VF start with PF stopped

When igb runs as a PF, mbox interrupt is prerequisite to make VF
start normally.
And PF sometimes won't 'dev_start', so the mbox interrupt register
during 'dev_init' is required.
The patch rolls back the interrupt register for mbox,lsc to the 'dev_init'.
As UIO doesn't support multiple vector, mbox has to occupy the only one.
It adds condition check on 'dev_start', rxq interrupt is not allowed
when PF running in IOV mode via UIO.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoeal: query multi-vector interrupt capability
Cunming Liang [Wed, 4 Nov 2015 08:45:34 +0000 (16:45 +0800)]
eal: query multi-vector interrupt capability

VFIO allows multiple MSI-X vector, others doesn't, but maybe will
allow it in the future.
Device drivers need to be aware of the capability.
It's better to avoid condition check on interrupt type (VFIO) everywhere,
instead a capability api is more flexible for the condition change.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoixgbe: avoid enabling interrupt with zero vector
Cunming Liang [Wed, 4 Nov 2015 08:45:32 +0000 (16:45 +0800)]
ixgbe: avoid enabling interrupt with zero vector

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoigb: avoid enabling interrupt with zero vector
Cunming Liang [Wed, 4 Nov 2015 08:45:33 +0000 (16:45 +0800)]
igb: avoid enabling interrupt with zero vector

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoeal/linux: forbid enabling zero interrupt vector
Cunming Liang [Wed, 4 Nov 2015 08:45:31 +0000 (16:45 +0800)]
eal/linux: forbid enabling zero interrupt vector

The patch adds condition check to avoid enable nothing.
In disable state, both max_intr and nb_efd are zero.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>
9 years agoixgbe: reserve VFIO vector zero for misc interrupt
Cunming Liang [Wed, 4 Nov 2015 08:45:29 +0000 (16:45 +0800)]
ixgbe: reserve VFIO vector zero for misc interrupt

According to the VFIO interrupt mapping, the interrupt vector id
for rxq starts from RX_VEC_START.
It doesn't impact the UIO cases.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoigb: reserve VFIO vector zero for misc interrupt
Cunming Liang [Wed, 4 Nov 2015 08:45:30 +0000 (16:45 +0800)]
igb: reserve VFIO vector zero for misc interrupt

According to the VFIO interrupt mapping, the interrupt vector id
for rxq starts from RX_VEC_START.
It doesn't impact the UIO cases.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
9 years agoeal: reserve VFIO vector zero for misc interrupt
Cunming Liang [Wed, 4 Nov 2015 08:45:28 +0000 (16:45 +0800)]
eal: reserve VFIO vector zero for misc interrupt

During VFIO_DEVICE_SET_IRQS, the previous order is
{Q0_fd, ... Qn_fd, misc_fd}.
The vector number of misc is indeterminable which is
ugly to some NIC (e.g. i40e, fm10k).
The patch adjusts the order in {misc_fd, Q0_fd, ... Qn_fd},
always reserve the first vector to misc interrupt.

Signed-off-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: David Marchand <david.marchand@6wind.com>