queues
can serve that;
To utilize this featrue, the backend also need support mulitiple queues feature
and enable it.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_virtio/virtio_ethdev.c | 326 --
lib/librte_pmd_virtio/virtio_ethdev.h | 10 +-
lib
, it removes packets copying between
host and guest in RX/TX;
Ouyang Changchun (3):
1. It contains the following 2 parts:
a) Add API to support queue start and stop functionality for RX/TX, and
implement them in IXGBE PMD;
b) Enable hardware loopback functionality in VMDQ mode;
2
transmitted
from guest and translates
them to host space addresses, then attaches them to mbufs and puts them to TX
queues.
After TX finishes, it pulls mbufs out from mempool, detaches them and puts them
back into the extra ring.
Signed-off-by: Ouyang Changchun
---
examples/vhost/main.c
Implement mbuf metadata macros to facilitate refering to space in mbuf headroom;
Signed-off-by: Ouyang Changchun
---
lib/librte_mbuf/rte_mbuf.h | 17 +
1 file changed, 17 insertions(+)
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index edffc2c..baf3ca4
1. Add API to support queue start and stop functionality for RX/TX, and
implement them in IXGBE PMD;
2. Enable hardware loopback functionality in VMDQ mode;
Signed-off-by: Ouyang Changchun
---
lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
lib/librte_ether/rte_ethdev.c| 104
1. Revert the change of metadata macro definition for referring to headroom
space in mbuf;
2. Fix wrongly referring to RX queues number in TX queues start/stop function.
Signed-off-by: Ouyang Changchun
---
examples/vhost/main.c | 15 +--
lib/librte_ether/rte_ethdev.c | 8
ilto:thomas.monja...@6wind.com]
Sent: Tuesday, May 20, 2014 12:00 AM
To: Ouyang, Changchun
Cc: dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH] [PMD] [VHOST] Revert unnecessary definition and
fix wrong referring in user space vhost zero copy patches
Hi Changchun,
2014-05-19 23:09, Ouyang Changc
functionality in IXGBE
PMD; and enable hardware
loopback for VMDQ mode in IXGBE PMD.
Ouyang Changchun (3):
Add API to support queue start and stop functionality for RX/TX.
Implement queue start and stop functionality in IXGBE PMD; Enable
hardware loopback for VMDQ mode in IXGBE PMD.
Support
This patch adds API to support queue start and stop functionality for RX/TX.
It allows RX and TX queue is started or stopped one by one, instead of starting
and stopping all of them at the same time.
Signed-off-by: Ouyang Changchun
---
lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
lib
be transmitted
from guest and translates
them to host space addresses, then attaches them to mbufs and puts them to TX
queues.
After TX finishes, it pulls mbufs out from mempool, detaches them and puts them
back into the extra ring.
Signed-off-by: Ouyang Changchun
---
examples/vhost/main.c
This patch implements queue start and stop functionality in IXGBE PMD;
it also enables hardware loopback for VMDQ mode in IXGBE PMD.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 4 +
lib/librte_pmd_ixgbe/ixgbe_ethdev.h | 8 ++
lib/librte_pmd_ixgbe/ixgbe_rxtx.c
This patch implements the functionality of administrative link up and down in
IXGBE PMD.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 58 +
1 file changed, 58 insertions(+)
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
b/lib
This patch series contain the following 3 items:
1. Add API to support administrative link up and down.
2. Implement the functionality of administrative link up and down in IXGBE PMD.
3. Add command in testpmd to test the functionality of administrative link up
and down of PMD.
Ouyang Changchun
This patch addes API to support administrative link up and down.
Signed-off-by: Ouyang Changchun
---
lib/librte_ether/rte_ethdev.c | 38 ++
lib/librte_ether/rte_ethdev.h | 34 ++
2 files changed, 72 insertions(+)
diff --git a
This patch adds commands to test the functionality of administrative link up
and down of PMD in testpmd.
Signed-off-by: Ouyang Changchun
---
app/test-pmd/cmdline.c | 78 ++
app/test-pmd/testpmd.c | 14 +
app/test-pmd/testpmd.h | 2 ++
3
Original Message-
From: Ivan Boule [mailto:ivan.bo...@6wind.com]
Sent: Thursday, May 22, 2014 9:17 PM
To: Ouyang, Changchun; dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/3] Support administrative link up and link down
On 05/22/2014 08:11 AM, Ouyang Changchun wrote:
> This patch ser
Hi, Thomas
Thanks very much for your guiding!
Best regards,
Changchun
-Original Message-
From: Thomas Monjalon [mailto:thomas.monja...@6wind.com]
Sent: Thursday, May 22, 2014 11:29 PM
To: Ouyang, Changchun
Cc: dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH] [PMD] [VHOST] Revert
This patch series contains the 3 items:
1. Add API to support setting TX rate for a queue or a VF.
2. Implement the functionality of setting TX rate for queue or VF in IXGBE PMD.
3. Add commands in testpmd to test the functionality of setting TX rate for
queue or VF.
Ouyang Changchun (3):
Add
This patch implements the functionality of setting TX rate for queue or VF in
IXGBE PMD.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 110
lib/librte_pmd_ixgbe/ixgbe_ethdev.h | 10 +++-
2 files changed, 119 insertions(+), 1
This patch adds API to support setting TX rate for a queue and a VF.
Signed-off-by: Ouyang Changchun
---
lib/librte_ether/rte_ethdev.c | 63 +++
lib/librte_ether/rte_ethdev.h | 51 +++
2 files changed, 114 insertions
This patch adds commands in testpmd to test the functionality of setting TX
rate for queue or VF.
Signed-off-by: Ouyang Changchun
---
app/test-pmd/cmdline.c | 153 +
app/test-pmd/config.c | 44 ++
app/test-pmd/testpmd.h | 2 +
3
al Message-
From: Ivan Boule [mailto:ivan.bo...@6wind.com]
Sent: Thursday, May 22, 2014 11:31 PM
To: Ouyang, Changchun; dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/3] Support administrative link up and link down
Hi Changchun,
On 05/22/2014 04:44 PM, Ouyang, Changchun wrote:
> Hi Ivan
&
queues which serve
RX/TX;
To utilize this feature, the backend also need support multiple queues feature
and enable it.
It also fixes some patch style issues.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_virtio/virtio_ethdev.c | 326 --
lib/librte_pmd_virtio
This patch adds API to support setting TX rate for a queue and a VF.
Signed-off-by: Ouyang Changchun
---
lib/librte_ether/rte_ethdev.c | 71 +++
lib/librte_ether/rte_ethdev.h | 51 +++
2 files changed, 122 insertions(+)
diff
This patch implements the functionality of setting TX rate for queue or VF in
IXGBE PMD.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 122
lib/librte_pmd_ixgbe/ixgbe_ethdev.h | 13 +++-
2 files changed, 132 insertions(+), 3
This patch adds commands in testpmd to test the functionality of setting TX
rate for queue or VF.
Signed-off-by: Ouyang Changchun
---
app/test-pmd/cmdline.c | 159 -
app/test-pmd/config.c | 47 +++
app/test-pmd/testpmd.h | 3 +
3
functionality of setting TX rate for
queue or VF.
Ouyang Changchun (3):
Add API to support set TX rate for a queue and VF.
Implement the functionality of setting TX rate for queue or VF in
IXGBE PMD.
Add commands in testpmd to test the functionality of setting TX rate
for queue or VF
backend; When receiving and
transmitting packets, it negotiates multiple virtio-net queues which serve
RX/TX;
To utilize this feature, the backend also need support multiple queues feature
and enable it.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_virtio/virtio_ethdev.c | 377
Yes I will send out a patch v3 to replace the patch v2.
Thanks
Changchun
-Original Message-
From: Thomas Monjalon [mailto:thomas.monja...@6wind.com]
Sent: Wednesday, May 28, 2014 7:02 AM
To: Ouyang, Changchun
Cc: dev at dpdk.org
Subject: Re: [PATCH v2 0/3] Support zero copy RX/TX in user
: Friday, May 23, 2014 5:25 PM
To: Ouyang, Changchun; dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/3] Support administrative link up and link down
On 05/23/2014 04:08 AM, Ouyang, Changchun wrote:
> Hi Ivan
>
> To some extent, I also agree with you.
> But customer hope DPDK can provide
Please ignore the previous v1 patch, just apply this v2 patch.
This patch implements the functionality of setting link up and down in IXGBE
PMD.
It is implemented by enabling or disabling TX laser.
Signed-off-by: Ouyang Changchun
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 63
Please ignore previous patch v1, and just apply this patch v2.
This patch adds commands to test the functionality of setting link up and down
of PMD in testpmd.
Signed-off-by: Ouyang Changchun
---
app/test-pmd/cmdline.c | 81 ++
app/test-pmd
edly
stop and restart
RX/TX of a port without re-allocating resources for the port and re-configuring
the port.
2. Implement the functionality of setting link up and down in IXGBE PMD.
3. Add command in testpmd to test the functionality of setting link up and down
of PMD.
Ouyang Changchun (3):
Please ignore previous v1 patch, just use this v2 patch.
This patch adds API to support the functionality of setting link up and down.
It can be used to repeatedly stop and restart RX/TX of a port without
re-allocating
resources for the port and re-configuring the port.
Signed-off-by: Ouyang
Please ignore previous patch v1 and v2, only need this patch v3 for the queue
start and stop functionality.
This patch implements queue start and stop functionality in IXGBE PMD;
it also enable hardware loopback for VMDQ mode in IXGBE PMD.
Signed-off-by: Ouyang Changchun
Tested-by: Waterman
back into the extra ring.
Signed-off-by: Ouyang Changchun
Tested-by: Waterman Cao
This patch passed L2 Forward , L3 Forward testing base on commit:
57f0ba5f8b8588dfa6ffcd001447ef6337afa6cd.
See test environment information as the following:
Fedora 19 , Linux Kernel 3.9.0, GCC 4.8.2 X68_64
.
Signed-off-by: Ouyang Changchun
Tested-by: Waterman Cao
This patch passed L2 Forward , L3 Forward testing base on commit:
57f0ba5f8b8588dfa6ffcd001447ef6337afa6cd.
See test environment information as the following:
Fedora 19 , Linux Kernel 3.9.0, GCC 4.8.2 X68_64, Intel Xeon processor E5-2600
mbufs and puts them to TX
queues.
After TX finishes, it pulls mbufs out from mempool, detaches them and puts them
back into the extra ring.
This patch series also implement queue start and stop functionality in IXGBE
PMD; and enable hardware
loopback for VMDQ mode in IXGBE PMD.
Ouyang Changchun (3
This patch cleanups some coding style issue, and fixes some errors and warnings
reported by checkpatch.pl.
Signed-off-by: Ouyang Changchun
Tested-by: Waterman Cao
This patch passed Testpmd testing base on commit:
57f0ba5f8b8588dfa6ffcd001447ef6337afa6cd.
See test environment information as
queues which serve
RX/TX;
To utilize this feature, the backend also need support multiple queues feature
and enable it.
Signed-off-by: Ouyang Changchun
Tested-by: Waterman Cao
This patch passed Testpmd testing base on commit:
57f0ba5f8b8588dfa6ffcd001447ef6337afa6cd.
See test environment
and
transmitting packets, it negotiates multiple virtio-net queues which serve
RX/TX;
To utilize this feature, the backend also need support multiple queues feature
and enable it.
Ouyang Changchun (2):
Cleanup the existing codes in virtio-net PMD.
Support multiple queues feature in DPDK based
Commit aec8283d47d4e4366b6 fixes the compilation issue, but it leads to
one runtime issue: early exit wrongly. In some case, 'path' is NULL, but
'resolved_path' has effective path, it should continue going ahead rather
than exit.
Signed-off-by: Changchun Ouyang
---
lib/librte_vhost/virtio-net
This patch set fix packet length issue in vhost app, and enhance code by
extracting a function to replace duplicated codes in one copy and zero copy
TX function.
-v3 change:
Extract a function to replace duplicated codes in one copy and zero copy TX
function
-v2 change:
Update data length by p
Extract a function to replace duplicated codes in one copy and zero copy TX
function.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c | 139 +-
1 file changed, 58 insertions(+), 81 deletions(-)
diff --git a/examples/vhost/main.c b/examp
As HW vlan strip will reduce the packet length by minus length of vlan tag,
so it need restore the packet length by plus it.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c | 12 ++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/examples/vhost/main.c b/example
As HW vlan strip will reduce the packet length by minus length of vlan tag,
so it need restore the packet length by plus it.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c | 12 ++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/examples/vhost/main.c b/example
This patch set fix packet length issue in vhost app, and enhance code by
extracting a function to replace duplicated codes in one copy and zero copy
TX function.
-v4 chang:
Check offset value and extra bytes inside packet buffer cross page boundary.
-v3 change:
Extract a function to replace dup
Extract a function to replace duplicated codes in one copy and zero copy TX
function.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c | 139 +-
1 file changed, 58 insertions(+), 81 deletions(-)
diff --git a/examples/vhost/main.c b/examp
This patch checks the packet length offset value, and checks if the extra bytes
inside buffer
cross page boundary.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
i
ei
> Cc: dev at dpdk.org; Ouyang, Changchun
> Subject: Re: [dpdk-dev] [PATCH v4 3/3] vhost: Check offset value
>
> 2014-11-05 16:52, Xie, Huawei:
> > Why don't we merge 1,2,3 patches?
>
> Because it's simpler to understand small patches with a dedicated
> expl
Hi Huawei,
Thanks for the comments,
And my response as follows.
> -Original Message-
> From: Xie, Huawei
> Sent: Thursday, November 6, 2014 10:39 AM
> To: Ouyang, Changchun; dev at dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] librte_vhost: Fix the path test issue
>
&g
-V1 change:
This patch series support multicast feature in virtio and vhost.
The vhost backend enables the promiscuous mode and config
ETH_VMDQ_ACCEPT_BROADCAST
and ETH_VMDQ_ACCEPT_MULTICAST in VMDQ offload register to receive the multicast
and broadcast packets.
The virtio frontend provides the
Add vmdq rx mode field into rx config struct, it is flag from ETH_VMDQ_ACCEPT_*.
Signed-off-by: Changchun Ouyang
---
lib/librte_ether/rte_ethdev.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 7e4c998..c29525b 100644
--- a
Config VM offload register in igb PMD to enable it receive broadcast and
multicast packets.
Signed-off-by: Changchun Ouyang
---
lib/librte_pmd_e1000/igb_rxtx.c | 20
1 file changed, 20 insertions(+)
diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rx
Config PFVML2FLT register in ixgbe PMD to enable it receive broadcast and
multicast packets;
also factorize the common logic with ixgbe_set_pool_rx_mode.
Signed-off-by: Changchun Ouyang
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 31 +--
lib/librte_pmd_ixgbe/ixgbe_ethd
This is to enable user space vhost receiving and forwarding broadcast and
multicast packets: Use new option in command line to enable promisc mode;
Enable 2 bits in VMDQ RX mode: ETH_VMDQ_ACCEPT_BROADCAST and
ETH_VMDQ_ACCEPT_MULTICAST.
Signed-off-by: Changchun Ouyang
---
examples/vhost/main.c
Add codes for supporting promiscuous and allmulticast enable and disable.
Signed-off-by: Changchun Ouyang
---
lib/librte_pmd_virtio/virtio_ethdev.c | 90 ++-
1 file changed, 89 insertions(+), 1 deletion(-)
diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c
b/lib
Hi Thomas,
> -Original Message-
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Thursday, November 6, 2014 9:56 PM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v3 1/5] ethdev: add vmdq rx mode
>
> 2014-10-31
Hi Thomas,
Thanks very much for applying this patch!
> -Original Message-
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Wednesday, November 12, 2014 7:17 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org; Xie, Huawei
> Subject: Re: [dpdk-dev] [PAT
It is one feature in developing,
scatter and mergeable RX will be support in virtio subsequent patch.
Thanks
Changchun
> -Original Message-
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Xie, Huawei
> Sent: Thursday, August 7, 2014 3:07 PM
> To: Czaus, Tomasz; dev at dpdk.org
v3 change:
- Investigate the comments from Huawei and fix one potential issue of wrong
offset to
the number of descriptor in buffer; also fix other tiny comments.
v2 change:
- Resolve conflicts with the tip code;
- And resolve 2 issues:
-- fix mbuf leak when discard an uncompleted packet.
This patch support mergeable RX feature and thus support jumbo frame RX and TX
in user space vhost(as virtio backend).
On RX, it secures enough room from vring to accommodate one complete scattered
packet which is received by PMD from physical port, and then copy data from
mbuf to vring buffer, po
Hi all,
Any comments for this patch?
And what's the status for merging it into mainline?
Thanks in advance
Changchun
> -Original Message-
> From: Ouyang, Changchun
> Sent: Thursday, August 14, 2014 4:55 PM
> To: dev at dpdk.org
> Cc: Cao, Waterman; Ouyang, Changchun
Hi all,
Any comments for this patch?
And what's the status for merging it into mainline?
Thanks in advance
Changchun
> -Original Message-
> From: Ouyang, Changchun
> Sent: Friday, August 15, 2014 12:58 PM
> To: dev at dpdk.org
> Cc: Cao, Waterman; Ouyang, Changch
functionality of enabling and disabling the
multicast and
promiscuous mode.
Changchun Ouyang (2):
Set VM offload register according to VMDQ config for IGB PMD to
support broadcast and multicast packets.
Add new API in virtio for supporting promiscuous and allmulticast
enable and disable.
Ouyang
This patch set VM offload register according to VMDQ config for e1000
PMD to support multicast and broadcast packets.
Signed-off-by: Changchun Ouyang
Acked-by: Huawei Xie
Acked-by: Cunming Liang
---
lib/librte_pmd_e1000/igb_rxtx.c | 20
1 file changed, 20 insertions(+)
d
This patch is to let vhost receive and forward multicast and broadcast packets,
add promiscuous option into command line; and set VMDQ RX mode as:
ETH_VMDQ_ACCEPT_BROADCAST|ETH_VMDQ_ACCEPT_MULTICAST if promisc mode is on.
Signed-off-by: Changchun Ouyang
Acked-by: Huawei Xie
Acked-by: Cunming Lia
This patch specifies rx_mode as 0 for 2 samples: vmdq and vhost-xen
because the multicast feature is not available currently for both samples.
Signed-off-by: Changchun Ouyang
Acked-by: Huawei Xie
Acked-by: Cunming Liang
---
examples/vhost_xen/main.c | 1 +
examples/vmdq/main.c | 1 +
2 f
This patch adds new API in virtio for supporting promiscuous and allmulticast
enabling and disabling.
Signed-off-by: Changchun Ouyang
Acked-by: Huawei Xie
Acked-by: Cunming Liang
---
lib/librte_pmd_virtio/virtio_ethdev.c | 98 ++-
1 file changed, 97 insertions
This patch adds new field of rx mode in VMDQ config; and set the register
PFVML2FLT
for IXGBE PMD, this makes VMDQ receive multicast and broadcast packets.
Signed-off-by: Changchun Ouyang
Acked-by: Huawei Xie
Acked-by: Cunming Liang
---
lib/librte_ether/rte_ethdev.h | 1 +
lib/librte_pm
Hi Stephen,
My response below.
Thanks
Changchun
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, August 26, 2014 8:13 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 4/5] virtio:
Acked-by: Changchun Ouyang
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, August 26, 2014 10:08 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: [RFC 07/10] virtio: remove unnecessary adapter stru
: Tuesday, August 26, 2014 10:08 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org; Stephen Hemminger
> Subject: [RFC 10/10] virtio: add support for promiscious and multicast
>
> Implement standard virtio controls for enabling and disabling promiscious
> and multicast.
>
>
Acked-by: Changchun Ouyang
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, August 26, 2014 10:08 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: [RFC 01/10] virtio: rearrange resource initialization
>
tephen at networkplumber.org]
> Sent: Tuesday, August 26, 2014 10:08 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org; Stephen Hemminger
> Subject: [RFC 06/10] virtio: use software vlan stripping
>
> Implement VLAN stripping in software. This allows application to be device
> i
Acked by: Changchun Ouyang
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, August 26, 2014 10:08 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org; Stephen Hemminger
> Subject: [RFC 08/10] virtio: remove redu
Do we have performance comparison between both implementation?
Thanks
Changchun
-Original Message-
From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Xie, Huawei
Sent: Tuesday, August 26, 2014 7:06 PM
To: dev at dpdk.org
Subject: Re: [dpdk-dev] [RFC] lib/librte_vhost: qemu vhost-user su
; From: Tetsuya.Mukawa [mailto:mukawa at igel.co.jp]
> Sent: Wednesday, August 27, 2014 12:39 PM
> To: Ouyang, Changchun; dev at dpdk.org
> Cc: Xie, Huawei; Katsuya MATSUBARA; nakajima.yoshihiro at lab.ntt.co.jp;
> Hitoshi Masutani
> Subject: Re: [dpdk-dev] [RFC] lib/librte_vhost: qemu vhost-use
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Wednesday, August 27, 2014 12:24 AM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [RFC 06/10] virtio: use software vlan stripping
>
> On Tue, 26 Aug 2014
> -Original Message-
> From: Tetsuya.Mukawa [mailto:mukawa at igel.co.jp]
> Sent: Wednesday, August 27, 2014 1:28 PM
> To: Ouyang, Changchun; dev at dpdk.org
> Cc: Xie, Huawei; Katsuya MATSUBARA; nakajima.yoshihiro at lab.ntt.co.jp;
> Hitoshi Masutani
> Subject: Re:
Hi Vincent,
Thanks for your highlighting. Will consider how to resolve it.
regards
Changchun
> -Original Message-
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Vincent JARDIN
> Sent: Tuesday, December 2, 2014 4:23 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] virtio merging
For clarity make the setup of PCI resources for Linux into a function rather
than block of code #ifdef'd in middle of dev_init.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 76 ---
1 file changed, 43
It is helpful to allow device drivers that don't support hardware
VLAN stripping to emulate this in software. This allows application
to be device independent.
Avoid discarding shared mbufs. Make a copy in rte_vlan_insert() of any
packet to be tagged that has a reference count > 1.
Signed-off-by:
Cleanup virtio code by eliminating unnecessary nesting of
virtio hardware structure inside adapter structure.
Also allows removing unneeded macro, making code clearer.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 43 ---
The DPDK driver only has to deal with the case of running on PCI
and with SMP. In this case, the code can use the weaker barriers
instead of using hard (fence) barriers. This will help performance.
The rationale is explained in Linux kernel virtio_ring.h.
To make it clearer that this is a virtio t
Virtio has link state interrupt which can be used.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 78 +++
lib/librte_pmd_virtio/virtio_pci.c| 22 ++
lib/librte_pmd_virtio/virtio_pci.h|
Implement VLAN stripping in software. This allows application
to be device independent.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_ether/rte_ethdev.h | 3 +++
lib/librte_pmd_virtio/virtio_ethdev.c | 2 ++
lib/librte_pmd_virtio/virtio_pci.h| 1
Make vtpci_get_status a local function as it is used in one file.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_pci.c | 4 +++-
lib/librte_pmd_virtio/virtio_pci.h | 2 --
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/librt
Change order of initialiazation to match Linux kernel.
Don't blow away control queue by doing reset when stopped.
Calling dev_stop then dev_start would not work.
Dev_stop was calling virtio reset and that would clear all queues
and clear all feature negotiation.
Resolved by only doing reset on dev
Since vq_alignment is constant (always 4K), it does not
need to be part of the vring struct.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 1 -
lib/librte_pmd_virtio/virtio_rxtx.c | 2 +-
lib/librte_pmd_virtio/virtqueue.h | 3
If allocation fails, don't want to leave virtio device stuck
in middle of initialization sequence.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 18 +-
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/li
Starting driver with link down should be ok, it is with every
other driver. So just allow it.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 6 ++
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/lib/librte_pmd_virti
Better to check at compile time than fail at runtime.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c
b/lib/librte_pmd_virti
Virtio supports vlan filtering.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 31 +--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c
b/lib/librte_pmd
Need to have do special things to set default mac address.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_ether/rte_ethdev.h | 5 +
lib/librte_pmd_virtio/virtio_ethdev.c | 24
2 files changed, 29 insertions(+)
diff --git a/
This is RFC patch for single virtio implementation.
Why we need single virtio?
As we know currently there are at least 3 virtio PMD driver implementations:
A) lib/librte_pmd_virtio(refer as virtio A);
B) virtio_net_pmd by 6wind(refer as virtio B);
C) virtio by Brocade/
Virtio support multiple MAC addresses.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
lib/librte_pmd_virtio/virtio_ethdev.c | 94 ++-
lib/librte_pmd_virtio/virtio_ethdev.h | 3 +-
lib/librte_pmd_virtio/virtqueue.h | 34 -
3
Make virtio not require UIO for some security reasons, this is to match 6Wind's
virtio-net-pmd.
Signed-off-by: Changchun Ouyang
---
lib/librte_eal/common/include/rte_pci.h | 2 +
lib/librte_eal/linuxapp/eal/eal_pci.c | 3 +-
lib/librte_pmd_virtio/virtio_ethdev.c | 75 +
This makes virtio driver work like ixgbe. Transmit buffers are
held until a transmit threshold is reached. The previous behavior
was to hold mbuf's until the ring entry was reused which caused
more memory usage than needed.
Signed-off-by: Changchun Ouyang
Signed-off-by: Stephen Hemminger
---
li
Hi Thomas,
> -Original Message-
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Monday, December 8, 2014 5:31 PM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [RFC PATCH 00/17] Single virtio implementation
>
> Hi Ch
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