Hi Thomas
Sure, I will do it ASAP! Thank you for the helps!
Regards,
Helin
> -Original Message-
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Tuesday, January 20, 2015 3:54 PM
> To: Zhang, Helin
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v8 3/4] i40e:
Hi Michael,
On 2015/01/20 18:23, Qiu, Michael wrote:
> On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
>> The patch adds functions for unmapping igb_uio resources. The patch is only
>> for Linux and igb_uio environment. VFIO and BSD are not supported.
>>
>> v4:
>> - Add paramerter checking.
>> - Add h
On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
> The patch adds following functions.
>
> - rte_eth_dev_save()
> The function is used for saving current rte_eth_dev structures.
> - rte_eth_dev_get_changed_port()
> The function receives the rte_eth_dev structures, then compare
> these with current
> -Original Message-
> From: Wodkowski, PawelX
> Sent: Tuesday, January 20, 2015 5:35 PM
> To: Ouyang, Changchun; dev at dpdk.org
> Subject: RE: [dpdk-dev] [PATCH v6 5/6] ixgbe: Config VF RSS
>
> > -Original Message-
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Ouy
On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
> The function removes the specified devargs entry from devargs_list.
> Also the patch adds sanity checking to rte_eal_devargs_add().
>
> v4:
> - Fix sanity check code
>
> Signed-off-by: Tetsuya Mukawa
> ---
> lib/librte_eal/common/eal_common_devargs.c
Hi,
> -Original Message-
> From: Olivier MATZ [mailto:olivier.matz at 6wind.com]
> Sent: Wednesday, January 21, 2015 2:16 AM
> To: Ananyev, Konstantin; Liu, Jijiang
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v3 0/3] enhance TX checksum command and
> csum forwarding engine
>
>
> -Original Message-
> From: Neil Horman [mailto:nhorman at tuxdriver.com]
> Sent: Wednesday, January 21, 2015 3:16 AM
> To: Stephen Hemminger
> Cc: Wang, Zhihong; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 4/4] lib/librte_eal: Optimized memcpy in
> arch/x86/rte_memcpy.h for both SS
To follow up the comments from Wodkowski, PawelX, remove this unnecessary check,
as check_mq_mode has already check the queue number in device configure stage,
if the queue number of vf is not correct, it will return error code and exit,
so it doesn't need check again here in device start stage(not
> -Original Message-
> From: Richardson, Bruce
> Sent: Wednesday, January 21, 2015 12:15 AM
> To: Neil Horman
> Cc: Wang, Zhihong; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 0/4] DPDK memcpy optimization
>
> On Tue, Jan 20, 2015 at 10:11:18AM -0500, Neil Horman wrote:
> > On Tue, J
On 1/19/2015 6:43 PM, Tetsuya Mukawa wrote:
> These functions are used for attaching or detaching a port.
> When rte_eal_dev_attach() is called, the function tries to realize the
> device name as pci address. If this is done successfully,
> rte_eal_dev_attach() will attach physical device port. If
Hi David,
Apologies for the delay. I was not able to find quality time to finish it as a
few other things have been keeping me busy. But I shall work on it and provide
the doc and the perf details soon.
In the mean time, it would be great if you could point me to some resources on
running pkt
Hi Michael,
On 2015/01/21 11:55, Qiu, Michael wrote:
> On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
>> The function removes the specified devargs entry from devargs_list.
>> Also the patch adds sanity checking to rte_eal_devargs_add().
>>
>> v4:
>> - Fix sanity check code
>>
>> Signed-off-by: Tetsu
Hi Michael,
On 2015/01/21 12:49, Qiu, Michael wrote:
> On 1/19/2015 6:43 PM, Tetsuya Mukawa wrote:
>> These functions are used for attaching or detaching a port.
>> When rte_eal_dev_attach() is called, the function tries to realize the
>> device name as pci address. If this is done successfully,
>
Hi,
> -Original Message-
> From: Olivier MATZ [mailto:olivier.matz at 6wind.com]
> Sent: Wednesday, January 21, 2015 2:16 AM
> To: Ananyev, Konstantin; Liu, Jijiang
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v3 0/3] enhance TX checksum command and
> csum forwarding engine
>
>
new commands for ethertype filter
- ethertype_filter (port_id) (add|del) (mac_addr|mac_ignr)
(mac_address) ethertype (ether_type) (drop|fwd) queue (queue_id)
Signed-off-by: Jingjing Wu
---
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 46 +++--
1 file change
> -Original Message-
> From: Ouyang, Changchun
> Sent: Wednesday, January 21, 2015 3:44 AM
> To: Wodkowski, PawelX; dev at dpdk.org
> Cc: Ouyang, Changchun
> Subject: RE: [dpdk-dev] [PATCH v6 5/6] ixgbe: Config VF RSS
>
>
>
> > -Original Message-
> > From: Wodkowski, PawelX
> >
Hi Michael,
On 2015/01/21 11:40, Qiu, Michael wrote:
> On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
>> The patch adds following functions.
>>
>> - rte_eth_dev_save()
>> The function is used for saving current rte_eth_dev structures.
>> - rte_eth_dev_get_changed_port()
>> The function receives t
Hi Jijiang,
On 01/21/2015 09:01 AM, Liu, Jijiang wrote:
>>> I still don't understand why you are so eager to 'forbid' it.
>>> Yes we support it for FVL, but no one forces you to use it.
>>
>> Well, how would you describe this 2 ways of doing the same thing in the
>> offload API? Would you talk abo
> -Original Message-
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Tuesday, January 20, 2015 5:11 PM
> To: O'driscoll, Tim
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] DPDK Community Call, Monday 2nd February, 17:00
> GMT
>
> On Tue, 20 Jan 2015 15:21:40 +
Hi Jingjing,
Thanks for providing a patch quickly for the missing doc.
I have a few comments.
2015-01-21 16:30, Jingjing Wu:
> new commands for ethertype filter
> - ethertype_filter (port_id) (add|del) (mac_addr|mac_ignr)
> (mac_address) ethertype (ether_type) (drop|fwd) queue (queu
Hi Michael,
On 2015/01/20 18:23, Qiu, Michael wrote:
> On 1/19/2015 6:42 PM, Tetsuya Mukawa wrote:
>> The patch adds functions for unmapping igb_uio resources. The patch is only
>> for Linux and igb_uio environment. VFIO and BSD are not supported.
>>
>> v4:
>> - Add paramerter checking.
>> - Add h
> -Original Message-
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Neil Horman
> Sent: Tuesday, January 20, 2015 9:18 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH v6 4/4] docs: Add ABI documentation
>
> Adding a document describing rudimentary ABI policy and adding not
2015-01-20 16:17, Neil Horman:
> Adding a document describing rudimentary ABI policy and adding notice space
> for
> any deprecation announcements
>
> Signed-off-by: Neil Horman
> CC: Thomas Monjalon
> CC: "Richardson, Bruce"
>
> ---
> Change notes:
>
> v5) Updated documentation to add notes
On Wed, Jan 21, 2015 at 03:44:23AM +, Wang, Zhihong wrote:
> Neil, Bruce,
>
> Some data first.
>
> Sandy Bridge without AVX2:
> 1. original w/ 10 constant memcpy: 2'25"
> 2. patch w/ 12 constant memcpy: 2'41"
> 3. patch w/ 63 constant memcpy: 9'41"
>
> Haswell with AVX2:
> 1. original w/
> -Original Message-
> From: Olivier MATZ [mailto:olivier.matz at 6wind.com]
> Sent: Wednesday, January 21, 2015 9:11 AM
> To: Liu, Jijiang
> Cc: Ananyev, Konstantin; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v3 0/3] enhance TX checksum command and csum
> forwarding engine
>
> Hi
> -Original Message-
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Wang, Zhihong
> Sent: Wednesday, January 21, 2015 3:44 AM
> To: Richardson, Bruce; Neil Horman
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 0/4] DPDK memcpy optimization
>
>
>
> > -Original Mes
> -Original Message-
> From: Wu, Jingjing
> Sent: Thursday, January 15, 2015 1:46 AM
> To: dev at dpdk.org
> Cc: Wu, Jingjing; De Lara Guarch, Pablo; Cao, Min
> Subject: [PATCH 0/5] new ntuple filter replaces 2tuple and 5tuple filters
>
> The patch set uses new filter_ctrl API to replace
On 21/01/15 04:44, Wang, Zhihong wrote:
>
>> -Original Message-
>> From: Richardson, Bruce
>> Sent: Wednesday, January 21, 2015 12:15 AM
>> To: Neil Horman
>> Cc: Wang, Zhihong; dev at dpdk.org
>> Subject: Re: [dpdk-dev] [PATCH 0/4] DPDK memcpy optimization
>>
>> On Tue, Jan 20, 2015 at 10
On Wed, Jan 21, 2015 at 12:02:57PM +, Ananyev, Konstantin wrote:
>
>
> > -Original Message-
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Wang, Zhihong
> > Sent: Wednesday, January 21, 2015 3:44 AM
> > To: Richardson, Bruce; Neil Horman
> > Cc: dev at dpdk.org
> > Subjec
On Tue, Jan 20, 2015 at 08:16:58PM -0800, stephen at networkplumber.org wrote:
> From: Stephen Hemminger
>
> The rte_eth_stats_get is the only API that should call the device
> statistics function directly, and it already does a memset of the
> resulting structure. Therefore doing memset() in the
On Wed, Jan 21, 2015 at 01:36:41PM +0100, Marc Sune wrote:
>
> On 21/01/15 04:44, Wang, Zhihong wrote:
> >
> >>-Original Message-
> >>From: Richardson, Bruce
> >>Sent: Wednesday, January 21, 2015 12:15 AM
> >>To: Neil Horman
> >>Cc: Wang, Zhihong; dev at dpdk.org
> >>Subject: Re: [dpdk-dev
Hello Stephen,
On Wed, Jan 21, 2015 at 5:16 AM, wrote:
> From: Stephen Hemminger
>
> The rte_eth_stats_get is the only API that should call the device
> statistics function directly, and it already does a memset of the
> resulting structure. Therefore doing memset() in the driver is
> redundant
On 21/01/15 14:02, Bruce Richardson wrote:
> On Wed, Jan 21, 2015 at 01:36:41PM +0100, Marc Sune wrote:
>> On 21/01/15 04:44, Wang, Zhihong wrote:
-Original Message-
From: Richardson, Bruce
Sent: Wednesday, January 21, 2015 12:15 AM
To: Neil Horman
Cc: Wang, Zhihon
On Wed, Jan 21, 2015 at 02:21:25PM +0100, Marc Sune wrote:
>
> On 21/01/15 14:02, Bruce Richardson wrote:
> >On Wed, Jan 21, 2015 at 01:36:41PM +0100, Marc Sune wrote:
> >>On 21/01/15 04:44, Wang, Zhihong wrote:
> -Original Message-
> From: Richardson, Bruce
> Sent: Wednesday,
On Tue, Jan 20, 2015 at 11:39:03AM +0100, Martin Weiser wrote:
> Hi again,
>
> I did some further testing and it seems like this issue is linked to
> jumbo frames. I think a similar issue has already been reported by
> Prashant Upadhyaya with the subject 'Packet Rx issue with DPDK1.8'.
> In our ap
Hello,
-- PROBLEM
I have a AF_PACKET socket which is in promiscuous mode to get all the NIC
traffic and let my apps do the whole stuff.
So I have one receiver and need to communicate the packet to different
threads/processes (lcore) so that they can process the rest of the packet
(tcp/udp...)
> From: O'driscoll, Tim
>
> > From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> >
> > On Tue, 20 Jan 2015 15:21:40 +
> > "O'driscoll, Tim" wrote:
> >
> > > We had our last community call in December, and then took a break over
> > the holiday period. I think we should reinstate
On Wed, Jan 21, 2015 at 11:25:48AM +0100, Thomas Monjalon wrote:
> 2015-01-20 16:17, Neil Horman:
> > Adding a document describing rudimentary ABI policy and adding notice space
> > for
> > any deprecation announcements
> >
> > Signed-off-by: Neil Horman
> > CC: Thomas Monjalon
> > CC: "Richard
Hi,
On 01/21/2015 04:12 AM, Liu, Jijiang wrote:
> Ok, and why it should be our problem?
> We have a lot of things done in a different manner then
> linux/freebsd kernel drivers, Why now it became a problem?
If linux doesn't need an equivalent flag for doing the same thing, it
2015-01-21 09:59, Neil Horman:
> On Wed, Jan 21, 2015 at 11:25:48AM +0100, Thomas Monjalon wrote:
> > 2015-01-20 16:17, Neil Horman:
> > > Adding a document describing rudimentary ABI policy and adding notice
> > > space for
> > > any deprecation announcements
> > >
> > > Signed-off-by: Neil Horm
Hi Olivier,
> -Original Message-
> From: Olivier MATZ [mailto:olivier.matz at 6wind.com]
> Sent: Wednesday, January 21, 2015 3:25 PM
> To: Liu, Jijiang; Ananyev, Konstantin
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v3 0/3] enhance TX checksum command and csum
> forwarding eng
On Wed, Jan 21, 2015 at 03:00:50PM +0100, deco33000 Jog wrote:
> Hello,
>
> -- PROBLEM
> I have a AF_PACKET socket which is in promiscuous mode to get all the NIC
> traffic and let my apps do the whole stuff.
>
> So I have one receiver and need to communicate the packet to different
> threads/p
Signed-off-by: Marc Sune
---
lib/librte_ip_frag/rte_ip_frag.h | 8
1 file changed, 8 insertions(+)
diff --git a/lib/librte_ip_frag/rte_ip_frag.h b/lib/librte_ip_frag/rte_ip_frag.h
index 3989a5a..1083d44 100644
--- a/lib/librte_ip_frag/rte_ip_frag.h
+++ b/lib/librte_ip_frag/rte_ip_frag.h
Hello,
I observed that the latest OVS with dpdk-1.8.0 and igb_uio starts to
drop packets earlier than a regular Linux ixgbe 10G interface, setup
follows:
receiver/forwarder:
- 8 core/2 head system with E5-2603v2, cores 1-3 are given to OVS exclusively
- n-dpdk-rxqs=6, rx scattering is not enabled
Hi Konstantin,
On 01/21/2015 05:28 PM, Ananyev, Konstantin wrote:
>> I added the support of Ether over GRE, IP over GRE and IP over IP
>> tunnels in csumonly to do the test. I ask the csum forward engine
>> to calculate inner IP+TCP checksums, and outer IP (case 6 in [1]).
>> Here are the results:
21.01.2015, 20:16, "deco33000 Jog" :
> 21.01.2015, 17:43, "Bruce Richardson" :
>> ?On Wed, Jan 21, 2015 at 03:00:50PM +0100, deco33000 Jog wrote:
>>> ??Hello,
>>>
>>> ??-- PROBLEM
>>> ??I have a AF_PACKET socket which is in promiscuous mode to get all the NIC
>>> traffic and let my apps do the w
On Wed, Jan 21, 2015 at 05:05:51PM +0100, Thomas Monjalon wrote:
> 2015-01-21 09:59, Neil Horman:
> > On Wed, Jan 21, 2015 at 11:25:48AM +0100, Thomas Monjalon wrote:
> > > 2015-01-20 16:17, Neil Horman:
> > > > Adding a document describing rudimentary ABI policy and adding notice
> > > > space fo
On Wed, 21 Jan 2015 03:12:35 +
"Liu, Jijiang" wrote:
> > Because the dpdk looks very similar to that part of linux driver.
>
> A guy from Intel who have already confirmed that the NVGRE is not supported
> yet in Linux kernel.
>
> He said "So far as I know it is not yet supported and
On Wed, 21 Jan 2015 13:26:20 +
Bruce Richardson wrote:
> On Wed, Jan 21, 2015 at 02:21:25PM +0100, Marc Sune wrote:
> >
> > On 21/01/15 14:02, Bruce Richardson wrote:
> > >On Wed, Jan 21, 2015 at 01:36:41PM +0100, Marc Sune wrote:
> > >>On 21/01/15 04:44, Wang, Zhihong wrote:
> > -Or
On Wed, 21 Jan 2015 14:39:17 +
"O'driscoll, Tim" wrote:
> > From: O'driscoll, Tim
> >
> > > From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> > >
> > > On Tue, 20 Jan 2015 15:21:40 +
> > > "O'driscoll, Tim" wrote:
> > >
> > > > We had our last community call in December,
On Wed, Jan 21, 2015 at 11:49:47AM -0800, Stephen Hemminger wrote:
> On Wed, 21 Jan 2015 13:26:20 +
> Bruce Richardson wrote:
>
> > On Wed, Jan 21, 2015 at 02:21:25PM +0100, Marc Sune wrote:
> > >
> > > On 21/01/15 14:02, Bruce Richardson wrote:
> > > >On Wed, Jan 21, 2015 at 01:36:41PM +010
From: Thomas Monjalon
Signed-off-by: Thomas Monjalon
---
lib/librte_eal/common/include/rte_version.h | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/librte_eal/common/include/rte_version.h
b/lib/librte_eal/common/include/rte_version.h
index d2686ae..a267040 1006
When building static archives with CONFIG_COMBINED_LIBS, we still need to
specify --whole-archive to pull in all the proper constructors.
Signed-off-by: Neil Horman
Reported-by: Lyn M
Tested-by: Lyn M
Acked-by: Thomas Monjalon
---
mk/rte.app.mk | 8
1 file changed, 4 insertions(+), 4
From: Ravi Kerur
rte_is_power_of_2 returns true for 0 and 0 is not power_of_2.
Fix by checking for n.
Signed-off-by: Ravi Kerur
Acked-by: Neil Horman
---
lib/librte_eal/common/include/rte_common.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_eal/common/includ
From: Pawel Wodkowski
Fix check introduced in commit 4bdefaade6d1 (VMDQ enhancements).
Signed-off-by: Pawel Wodkowski
Acked-by: Thomas Monjalon
---
lib/librte_ether/rte_ethdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ethe
From: Vlad Zolotarov
When scanning the hugetlbfs maps search only for the DPDK maps.
This will allow the application create its own hugetlbfs mappings
and use the DPDK facilities on the same hugetlbfs mount point.
Signed-off-by: Vlad Zolotarov
Acked-by: Thomas Monjalon
---
lib/librte_eal/linu
From: Stephen Hemminger
The read/seek/close stub functions are unnecessary on the
log stream. Per glibc fopencookie man page:
cookie_read_function_t *read
If *read is a null pointer, then reads from the custom stream
always return end of file.
cooki
From: Michael Qiu
When vfio module is not loaded when kernel support vfio feature,
the routine still try to open the container to get file
description.
This action is not safe, and of course got error messages:
EAL: Detected 40 lcore(s)
EAL: unsupported IOMMU type!
EAL: VFIO support could not
From: Declan Doherty
This patch contains a fix for link bonding handling of vlan tagged packets in
mode 3 and 5.
Currently xmit_slave_hash function misinterprets the PKT_RX_VLAN_PKT flag to
mean that
there is a vlan tag within the packet when in actually means that there is a
valid entry
in th
From: Bruce Richardson
There were two static functions called "parse_item_list" in testpmd app.
Since one was a superset of the functionality of the other, we can
collapse the two calls down into a single one, shared between the two
C files.
Signed-off-by: Bruce Richardson
Acked-by: Pablo de La
From: Bruce Richardson
Replace d_thread_t with struct thread in nic_uio.
Ref: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196691
Quote:
"The d_thread_t typedef is a compat shim to support FreeBSD 4.x.
I'm planning to remove this shim from 11 and dpdk is very unlikely
to ever be ported to 4
On Wed, Jan 21, 2015 at 03:57:25PM -0500, Neil Horman wrote:
> From: Thomas Monjalon
>
> Signed-off-by: Thomas Monjalon
> ---
> lib/librte_eal/common/include/rte_version.h | 8
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/lib/librte_eal/common/include/rte_version
Add initial pass header files to support symbol versioning.
Signed-off-by: Neil Horman
CC: Thomas Monjalon
CC: "Richardson, Bruce"
CC: "Gonzalez Monroy, Sergio"
---
Change Notes:
V2)
Moved ifeq to _INSTALL target
V3)
Undo V2 changes and make librte_compat use the rte.install.
Add linker version script files to each DPDK library to put a stake in the
ground from which we can start cleaning up API's
Signed-off-by: Neil Horman
CC: Thomas Monjalon
CC: "Richardson, Bruce"
---
Change Notes:
v2)
* Updated export map to not require full path
---
lib/librte_acl/Ma
To differentiate libraries that break ABI, we add a library version number
suffix to the library, which must be incremented when a given libraries ABI is
broken. This patch enforces that addition, sets the initial abi soname
extension to 1 for each library and creates a symlink to the base SONAME
Adding a document describing rudimentary ABI policy and adding notice space for
any deprecation announcements
Signed-off-by: Neil Horman
CC: Thomas Monjalon
CC: "Richardson, Bruce"
---
Change notes:
v5) Updated documentation to add notes from Thomas M.
v6) Moved abi.txt to guides/rel_notes/a
Hi,
Thanks for the inputs. I did download dpdk-1.8 and used your latest
packet-gen-2.8.0 but I am getting this crash.
Looks like I am missing or not specifying the correct arguments. Can you
please help ?
./app/pktgen -c 03 -n 1 --proc-type auto --socket-mem 128 --file-prefix
pg -- -T -P -m
I?m not as concerned with compile times given the potential performance boost.
A long time ago (mid-80s) I was at Convex, and wanted to do a vector bcopy(),
because it would make the I/O system (mostly disk then (*)) go faster.
The architect explained to me that the vector registers were for app
2015-01-21 14:43, Neil Horman:
> On Wed, Jan 21, 2015 at 05:05:51PM +0100, Thomas Monjalon wrote:
> > 2015-01-21 09:59, Neil Horman:
> > > Considered and answered already. I'm in favor of listing macros and
> > > structure
> > > changes in the abi document, but I think an exhaustive list isn't ne
Intel team,
Please let me know what additional testing needs to be done for I217/I218?
I have confined changes only to _osdep_ files and have done basic testing
with testpmd utility. Since DPDK PMD driver supporting e1000e has been
available for quite sometime, I have assumed basic testing for Tx
On Thu, 15 Jan 2015 12:02:11 +0100
Thomas Monjalon wrote:
> Someone to review these patches?
Any comments from
Bruce Richardson
On Wed, 21 Jan 2015 15:25:40 -0600
Jim Thompson wrote:
> I?m not as concerned with compile times given the potential performance boost.
Compile time matters. Right now full build of large project is fast.
Like 2 minutes or less.
Is this only the test applications (which can be disabled from th
On Thu, 22 Jan 2015 00:36:19 +0100
Olivier Matz wrote:
> The goal of this series is to clarify and simplify the mbuf offload API.
> Several issues are solved:
>
> - simplify the definitions of PKT_TX_IP_CKSUM and PKT_TX_IPV4, each
> flag has now only one meaning. No impact on the code.
>
> -
On Thu, Jan 22, 2015 at 11:39:11AM +0800, Linhaifeng wrote:
> Why call memcpy when n is constant variable?
One theory. Many DPDK functions crash if they are called before rte_eal_init()
is called. So perhaps this could be a cause, since that won't have been called
when working on a constant?
Ma
On Thu, Jan 22, 2015 at 01:32:04PM +0800, Linhaifeng wrote:
> Do you mean if call rte_memcpy before rte_eal_init() would crash?why?
No guarantee. But a theory. It might use some things from the EAL init to
figure out which version of the accelerated algorithm to use.
Matthew.
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