gpa_to_first_hpa() to avoid code redundancy.
Fixes: e246896178e6 ("vhost: get guest/host physical address mappings")
Fixes: faa9867c4da2 ("vhost: use binary search in address conversion")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.h | 43 ++--
gpa_to_first_hpa() to avoid code redundancy.
Fixes: e246896178e6 ("vhost: get guest/host physical address mappings")
Fixes: faa9867c4da2 ("vhost: use binary search in address conversion")
Signed-off-by: Patrick Fu
---
v2:
- minor rewordings on commit message & title
This patch initializes a local parameter in async data path to avoid
compiler warnings.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/virtio_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -
Async inflight packet counter should take failed packets into account.
Failed packets will be deducted in the error handling logic.
Fixes: 6b3c81db8bb7 ("vhost: simplify async copy completion")
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signe
From: Patrick Fu
This patch introduces registration/un-registration APIs
for vhost async data enqueue operation. Together with
the registration APIs implementations, data structures
and async callback functions required for async enqueue
data path are also defined.
Signed-off-by: Patrick Fu
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
This patch implements async enqueue data path for split ring.
2 new async data path APIs are defined, by which applications
can submit and poll packets to/from async engines. The async
enqueue data leverages callback functions registered by
applications to work with the async
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
This patch implements async enqueue data path for split ring.
2 new async data path APIs are defined, by which applications
can submit and poll packets to/from async engines. The async
enqueue data leverages callback functions registered by
applications to work with the async
From: Patrick Fu
This patch introduces registration/un-registration APIs
for vhost async data enqueue operation. Together with
the registration APIs implementations, data structures
and async callback functions required for async enqueue
data path are also defined.
Signed-off-by: Patrick Fu
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
This patch introduces registration/un-registration APIs
for vhost async data enqueue operation. Together with
the registration APIs implementations, data structures
and async callback functions required for async enqueue
data path are also defined.
Signed-off-by: Patrick Fu
From: Patrick Fu
This patch implements async enqueue data path for split ring.
2 new async data path APIs are defined, by which applications
can submit and poll packets to/from async engines. The async
enqueue data leverages callback functions registered by
applications to work with the async
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload the large copies from CPU to the DMA devices, asynchronous
APIs are introduced, with which the CPU just submits copy jobs to
the DMA
From: Patrick Fu
This patch implements async enqueue data path for split ring. 2 new
async data path APIs are defined, by which applications can submit
and poll packets to/from async engines. The async engine is either
a physical DMA device or it could also be a software emulated backend.
The
From: Patrick
This patch introduces registration/un-registration APIs
for async data path together with all required data
structures and DMA callback function proto-types.
Signed-off-by: Patrick
---
lib/librte_vhost/Makefile | 3 +-
lib/librte_vhost/rte_vhost.h | 1 +
lib/li
From: Patrick
This patch implement async enqueue data path for split ring.
Signed-off-by: Patrick
---
lib/librte_vhost/rte_vhost_async.h | 38 +++
lib/librte_vhost/virtio_net.c | 538 -
2 files changed, 574 insertions(+), 2 deletions(-)
diff --git a/l
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
Performing large memory copies usually takes up a major part of CPU
cycles and becomes the hot spot in vhost-user enqueue operation. To
offload expensive memory operations from the CPU, this patch set
proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the
Intel&#
From: Patrick Fu
This patch introduces registration/un-registration APIs
for vhost async data enqueue operation. Together with
the registration APIs implementations, data structures
and async callback functions required for async enqueue
data path are also defined.
Signed-off-by: Patrick Fu
From: Patrick Fu
This patch implements async enqueue data path for split ring.
2 new async data path APIs are defined, by which applications
can submit and poll packets to/from async engines. The async
enqueue data leverages callback functions registered by
applications to work with the async
By design, async enqueue API should return directly if async device
is not registered. This patch removes the corrupted implementation of
the enqueue fallback from async mode to sync mode.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
From: Patrick Fu
This patch adds the check of dev pointer in vhost async enqueue
completion poll. If a NULL dev pointer detected, the poll function
returns immediately.
Coverity issue: 360839
Fixes: cd6760da10 ("vhost: introduce async enqueue for split ring")
Signed-off-by:
From: Patrick Fu
zmbufs should be set to NULL when getting freed to avoid double free on
the same buffer pointer
Fixes: b0a985d1f340 ("vhost: add dequeue zero copy")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost_user.c | 1 +
1 file changed, 1 insertion(+)
diff -
From: Patrick Fu
Vhost async enqueue assumes that all async copies should break at packet
boundary. i.e. if a packet is splited into multiple copy segments, the
async engine should always report copy completion when entire packet is
finished. This patch removes the assumption.
Fixes
From: Patrick Fu
Vhost async enqueue assumes that all async copies should break at packet
boundary. i.e. if a packet is splited into multiple copy segments, the
async engine should always report copy completion when entire packet is
finished. This patch removes the assumption.
Fixes
From: Patrick Fu
Vring should not be touched if vq is disabled. This patch adds the vq
status check in async enqueue polling to avoid accessing to a disabled
queue.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
---
lib/li
From: Patrick Fu
This patch adds the check of dev pointer in vhost async enqueue
completion poll. If a NULL dev pointer detected, the poll function
returns immediately.
Coverity issue: 360839
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by:
From: Patrick Fu
Async copy fails when ring buffer cross two physical pages. This patch
fix the failure by letting copies occur in sync mode if crossing page
buffers are given.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
From: Patrick Fu
zmbufs should be set to NULL when getting freed to avoid double free on
the same buffer pointer
Fixes: b0a985d1f340 ("vhost: add dequeue zero copy")
Signed-off-by: Patrick Fu
---
v2:
- revise commit message title
lib/librte_vhost/vhost_user.c | 1 +
1 file
From: Patrick Fu
This patch adds the check of dev pointer in vhost async enqueue
completion poll. If a NULL dev pointer detected, the poll function
returns immediately.
Coverity issue: 360839
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by:
From: Patrick Fu
Vring should not be touched if vq is disabled. This patch adds the vq
status check in async enqueue polling to avoid accessing to a disabled
queue.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
---
v2:
revise co
From: Patrick Fu
In async enqueue copy, a packet could be split into multiple copy
segments. When polling the copy completion status, current async data
path assumes the async device callbacks are aware of the packet
boundary and return completed segments only if all segments belonging
to the
From: Patrick Fu
update documentations for vhost async API
Patrick Fu (2):
doc: update guides for vhost async APIs
doc: update release notes for vhost async APIs
doc/guides/prog_guide/vhost_lib.rst| 86 +++---
doc/guides/rel_notes/release_20_08.rst | 5 ++
2 files
From: Patrick Fu
Update vhost guides to document vhost async APIs
Signed-off-by: Patrick Fu
---
doc/guides/prog_guide/vhost_lib.rst | 86 ++---
1 file changed, 77 insertions(+), 9 deletions(-)
diff --git a/doc/guides/prog_guide/vhost_lib.rst
b/doc/guides/prog_guide
From: Patrick Fu
Update 20.08 release notes to include vhost async APIs
Signed-off-by: Patrick Fu
---
doc/guides/rel_notes/release_20_08.rst | 5 +
1 file changed, 5 insertions(+)
diff --git a/doc/guides/rel_notes/release_20_08.rst
b/doc/guides/rel_notes/release_20_08.rst
index
From: Patrick Fu
update docs for vhost async APIs
v2:
- fix typos in vhost_lib.rst
- minor rewording in vhost_lib.rst
- add more detailed API notes in release notes
- rebase the patch to 20.08 rc2
Patrick Fu (2):
doc: update guides for vhost async APIs
doc: update release notes for
From: Patrick Fu
Update 20.08 release notes to include vhost async APIs
Signed-off-by: Patrick Fu
---
doc/guides/rel_notes/release_20_08.rst | 6 ++
1 file changed, 6 insertions(+)
diff --git a/doc/guides/rel_notes/release_20_08.rst
b/doc/guides/rel_notes/release_20_08.rst
index
From: Patrick Fu
Update vhost guides to document vhost async APIs
Signed-off-by: Patrick Fu
---
doc/guides/prog_guide/vhost_lib.rst | 86 ++---
1 file changed, 77 insertions(+), 9 deletions(-)
diff --git a/doc/guides/prog_guide/vhost_lib.rst
b/doc/guides/prog_guide
From: Patrick Fu
Async inflight packets is checked when front end virtio requests to
disable vring. If inflight packets exists, vring disabling will fail.
However, there is no good way for application to get notified before
vring is disabled and properly complete inflight packets. This patch
From: Patrick Fu
The async copy device callbacks are used by async APIs to transfer data
and check completion status. Async APIs return the number of packets
successfully processed to the caller applications and no error (negative)
value is allowed for API return value. Thus, negative return
From: Patrick Fu
Async copy fails when single ring buffer vector is splited on multiple
physical pages. This happens because current hpa address translation
function doesn't handle multi-page buffers. A new gpa to hpa address
conversion function, which returns the hpa on the first hitting
From: Patrick Fu
Async copy fails when single ring buffer vector is splited on multiple
physical pages. This happens because current hpa address translation
function doesn't handle multi-page buffers. A new gpa to hpa address
conversion function, which returns the hpa on the first hitting
From: Patrick Fu
Async copy fails when single ring buffer vector is splited on multiple
physical pages. This happens because current hpa address translation
function doesn't handle multi-page buffers. A new gpa to hpa address
conversion function, which returns the hpa on the first hitting
s, is implemented in this patch. Async data path recursively calls
this new function to construct a multi-segments async copy descriptor
for ring buffers crossing physical page boundaries.
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Signed-off-by: Patrick Fu
---
v2:
the mirroring APIs as a standalone library
in DPDK, but it's also reasonble to place it inside ethdev layer or within
the vhost-pmd considering the potential usage scenarios.
Signed-off-by: Liang-min Wang
Signed-off-by: Patrick Fu
Signed-off-by: Timothy Miskell
improve readability
Patrick Fu (4):
vhost: simplify async copy completion
vhost: dynamically allocate async memory
vhost: fix async vector buffer overrun
vhost: fix async register/unregister deadlock
lib/librte_vhost/rte_vhost_async.h | 15 ++-
lib/librte_vhost/vhost.c | 80
work with
new ops define, which provides a clean and simplified processing.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/rte_vhost_async.h | 15 ++-
lib/librte_vhost/vhost.c | 20 ++--
lib/librte_vhost/vhost.h | 8 +-
lib/librte_vhost/vhost_user.c | 6 +-
lib
Allocate async internal memory buffer by rte_malloc(), replacing array
declaration inside vq structure. Dynamic allocation can help to save
memory footprint when async path is not registered.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 65
nc enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.h | 2 +-
lib/librte_vhost/virtio_net.c | 13 -
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index f0ee00c73..34197ce99 1
: 78639d54563a ("vhost: introduce async enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 13 +++--
lib/librte_vhost/vhost_user.c | 4 ++--
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/lib/librte_vhost/vhost.c b/lib/li
calculation issue
- allocate async buffer memory on the same numa with vq
- add some comments in data path to improve readability
Patrick Fu (4):
vhost: simplify async copy completion
vhost: dynamically allocate async memory
vhost: fix async vector buffer overrun
vhost: fix async register
work with
new ops define, which provides a clean and simplified processing.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/rte_vhost_async.h | 15 ++-
lib/librte_vhost/vhost.c | 20 ++--
lib/librte_vhost/vhost.h | 8 +-
lib/librte_vhost/vhost_user.c | 6 +-
lib
Allocate async internal memory buffer by rte_malloc(), replacing array
declaration inside vq structure. Dynamic allocation can help to save
memory footprint when async path is not registered.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 69
nc enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.h | 2 +-
lib/librte_vhost/virtio_net.c | 13 -
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index f0ee00c73..34197ce99 1
: 78639d54563a ("vhost: introduce async enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 13 +++--
lib/librte_vhost/vhost_user.c | 4 ++--
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/lib/librte_vhost/vhost.c b/lib/li
ning)
- fix travis-robot ci build warning on aarch64
v2:
- minor rewordings on commit message
- minor fix on poll_enenque_completion to correct a packet
number calculation issue
- allocate async buffer memory on the same numa with vq
- add some comments in data path to improve readability
Patric
nc enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.h | 2 +-
lib/librte_vhost/virtio_net.c | 13 -
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 7d1a8d2b7..75d79f80a 1
work with
new ops define, which provides a clean and simplified processing.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/rte_vhost_async.h | 15 ++-
lib/librte_vhost/vhost.c | 20 ++--
lib/librte_vhost/vhost.h | 8 +-
lib/librte_vhost/vhost_user.c | 6 +-
lib
Allocate async internal memory buffer by rte_malloc(), replacing array
declaration inside vq structure. Dynamic allocation can help to save
memory footprint when async path is not registered.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 69
queue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 9 +++--
lib/librte_vhost/vhost_user.c | 4 ++--
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 323565898..6068c38ec 100644
--- a/lib/li
mirroring APIs as a standalone library
in DPDK, but it's also reasonble to place it inside ethdev layer or within
the vhost-pmd considering the potential usage scenarios.
Patrick Fu (3):
lib/mirror: introduce traffic mirror API
lib/mirror: add port based mirroring
lib/mirror: add flow
when registration
succeeds.
Signed-off-by: Liang-min Wang
Signed-off-by: Patrick Fu
Signed-off-by: Timothy Miskell
---
config/common_base | 5 +
lib/Makefile | 2 +
lib/librte_mirror/Makefile | 20 ++
lib/librte_mirror
-off-by: Patrick Fu
Signed-off-by: Timothy Miskell
---
lib/librte_mirror/rte_mirror.c | 107 +
1 file changed, 107 insertions(+)
diff --git a/lib/librte_mirror/rte_mirror.c b/lib/librte_mirror/rte_mirror.c
index d2c0d8eab..523ab37ff 100644
--- a/lib/librte_mirror
This patch add port based mirroring support for the mirror lib.
The port based mirroring is unconditional traffic mirroring
between 2 ethdev ports.
Signed-off-by: Liang-min Wang
Signed-off-by: Patrick Fu
Signed-off-by: Timothy Miskell
---
lib/librte_mirror/rte_mirror.c | 57
This series applies optimization and fixes to the vhost
async data path.
Patrick Fu (4):
vhost: simplify async copy completion
vhost: dynamically alloc async memory
vhost: fix async vec buf overrun
vhost: fix async register/unregister deadlock
lib/librte_vhost/rte_vhost_async.h | 15
work with
new ops define, which provides a clean and simplified processing.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/rte_vhost_async.h | 15 ++-
lib/librte_vhost/vhost.c | 20 ++--
lib/librte_vhost/vhost.h | 8 +-
lib/librte_vhost/vhost_user.c | 6 +-
lib
alloc async internal memory buffer by rte_malloc(), replacing array
declaration inside vq structure. Dynamic allocation can help to save
memory footprint when async path is not registered.
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 49
lib
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.h | 2 +-
lib/librte_vhost/virtio_net.c | 7 ++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 0af0ac23d..5e669e28f 100644
--- a/lib/librte_vhost/vhost.h
+++ b/l
: 78639d54563a ("vhost: introduce async enqueue registration API")
Signed-off-by: Patrick Fu
---
lib/librte_vhost/vhost.c | 13 +++--
lib/librte_vhost/vhost_user.c | 4 ++--
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/lib/librte_vhost/vhost.c b/lib/li
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