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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hey Thomas, I retried a build when libpcap was absent and was able to reproduce the sam= e errors as you did. Error: cannot find librte_pcapng.so.25.1 in dpdk-build/build-arm64-generic-= gcc/install Error: cannot find librte_graph.so.25.1 in dpdk-build/build-arm64-generic-g= cc/install Error: cannot find librte_node.so.25.1 in dpdk-build/build-arm64-generic-gc= c/install Error: cannot find librte_pdump.so.25.1 in dpdk-build/build-arm64-generic-g= cc/install These Errors are coming from ABI check: dpdk/devtools/check-abi.sh:49 I see in this function that it is checking for the existence of these libra= ries, which will be absent when libpcap is absent. Is there a way to have t= he abi-check skip these libraries if they are not built? Or better question: How does the abi-check even know about these libraries = if they are never built? Thanks! Dylan ________________________________ From: Thomas Monjalon Sent: Monday, June 30, 2025 8:28 AM To: Dylan Schneider Cc: dev@dpdk.org ; Reshma Pattan ; S= tephen Hemminger ; Jerin Jacob ; Kiran Kumar K ; Nithin Dabilpuram ; Zhirun Yan Subject: Re: [PATCH v2] pcapng: allow any protocol link type for the interf= ace block WARNING: This email originated from outside of Qualcomm. Please be wary of = any links or attachments, and do not enable macros. Sorry I did not investigate, but there is probably a different installation= of the pcap library. I have this in a config file: pcaparm=3D$deps/libpcap/build-aarch64/install # requires big changes in DPD= K #export PKG_CONFIG_PATH=3D$PKG_CONFIG_PATH:$pcaparm/lib/pkgconfig I don't remember what are the big changes required, and why it is disabled. Checking Meson, libpcap is indeed not found on aarch64: Run-time dependency libpcap found: NO (tried pkgconfig) Library pcap found: NO Can you check whether the error can be related to the absence of libpcap? 30/06/2025 15:50, Dylan Schneider: > Hey Thomas, just wanted to confirm, I see the ARM build passing in CI. I= s there a reason it would pass there but not on your dev machine? > > > ________________________________ > From: Dylan Schneider > Sent: Friday, June 27, 2025 11:46 AM > To: Thomas Monjalon > Cc: dev@dpdk.org ; Reshma Pattan ;= Stephen Hemminger ; Jerin Jacob ; Kiran Kumar K ; Nithin Dabilpuram ; Zhirun Yan > Subject: Re: [PATCH v2] pcapng: allow any protocol link type for the inte= rface block > > > WARNING: This email originated from outside of Qualcomm. Please be wary o= f any links or attachments, and do not enable macros. > > Hey Thomas, > Thanks for the reply. > Can you tell me the build command you're using to produce those errors? I= have ran the builds on my test machine and cannot reproduce these. Thanks! > Dylan > ________________________________ > From: Thomas Monjalon > Sent: Friday, June 27, 2025 11:39 AM > To: Dylan Schneider > Cc: dev@dpdk.org ; Reshma Pattan ;= Stephen Hemminger ; Jerin Jacob ; Kiran Kumar K ; Nithin Dabilpuram ; Zhirun Yan > Subject: Re: [PATCH v2] pcapng: allow any protocol link type for the inte= rface block > > WARNING: This email originated from outside of Qualcomm. Please be wary o= f any links or attachments, and do not enable macros. > > 09/06/2025 23:19, Schneide: > > From: Dylan Schneider > > > > Allow the user to specify protocol link type when creating pcapng files= . > > This change is needed to specify the protocol type in the pcapng file, > > DLT_EN10MB specifies ethernet packets only. This will allow dissectors > > for other protocols to be used on files generated by pcapng. > > > > Includes a breaking change to rte_pcapng_add_interface to add link_type > > parameter. Existing calls to the function have been updated to pass > > DLT_EN10MB for the link type argument. > > > > Fixes: d1da6d0d04c7 ("pcapng: require per-interface information") > > Signed-off-by: Dylan Schneider > > Cc: stephen@networkplumber.org > > I doesn't pass compilation test on my machine: > > Error: cannot find librte_pcapng.so.25.1 in dpdk-build/build-arm64-generi= c-gcc/install > Error: cannot find librte_graph.so.25.1 in dpdk-build/build-arm64-generic= -gcc/install > Error: cannot find librte_node.so.25.1 in dpdk-build/build-arm64-generic-= gcc/install > Error: cannot find librte_pdump.so.25.1 in dpdk-build/build-arm64-generic= -gcc/install > > > > --_000_IA3PR02MB10771C80F1E35014C06F8C9A9E940AIA3PR02MB10771na_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hey Thomas,
I retried a build when libpcap was absent and was able to reproduce the sam= e errors as you did.
Error: cannot find librte_pcapng=
.so.25.1 in dpdk-build/build-arm64-generic-gcc/install=0A=
Error: cannot find librte_graph.so.25.1 in dpdk-build/build-arm64-generic-g=
cc/install=0A=
Error: cannot find librte_node.so.25.1 in dpdk-build/build-arm64-generic-gc=
c/install=0A=
Error: cannot find librte_pdump.so.25.1 in dpdk-build/build-arm64-generic-g=
cc/install
These Errors are coming from ABI check: dpdk/devtools/check-abi.sh:49

I see in this function that it is checking for the existence of these libra= ries, which will be absent when libpcap is absent. Is there a way to have t= he abi-check skip these libraries if they are not built?
Or better question: How does the abi-check even know about these libraries = if they are never built?

Thanks!
Dylan


From: Thomas Monjalon <thomas@monjalon.net>
Sent: Monday, June 30, 2025 8:28 AM
To: Dylan Schneider <schneide@qti.qualcomm.com>
Cc: dev@dpdk.org <dev@dpdk.org>; Reshma Pattan <reshma= .pattan@intel.com>; Stephen Hemminger <stephen@networkplumber.org>= ; Jerin Jacob <jerinj@marvell.com>; Kiran Kumar K <kirankumark@mar= vell.com>; Nithin Dabilpuram <ndabilpuram@marvell.com>; Zhirun Yan <yanzhirun_163@163.com>
Subject: Re: [PATCH v2] pcapng: allow any protocol link type fo= r the interface block
 
WARNING: This email originated from outside= of Qualcomm. Please be wary of any links or attachments, and do not enable= macros.

Sorry I did not investigate, but there is probably a different installation= of the pcap library.

I have this in a config file:

pcaparm=3D$deps/libpcap/build-aarch64/install # requires big changes in DPD= K
#export PKG_CONFIG_PATH=3D$PKG_CONFIG_PATH:$pcaparm/lib/pkgconfig

I don't remember what are the big changes required, and why it is disabled.=

Checking Meson, libpcap is indeed not found on aarch64:

        Run-time dependency libpcap foun= d: NO (tried pkgconfig)
        Library pcap found: NO

Can you check whether the error can be related to the absence of libpcap?


30/06/2025 15:50, Dylan Schneider:
> Hey Thomas, just wanted to confirm,  I see the ARM build passing = in CI. Is there a reason it would pass there but not on your dev machine? >
>
> ________________________________
> From: Dylan Schneider <schneide@qti.qualcomm.com>
> Sent: Friday, June 27, 2025 11:46 AM
> To: Thomas Monjalon <thomas@monjalon.net>
> Cc: dev@dpdk.org <dev@dpdk.org>; Reshma Pattan <reshma.pattan= @intel.com>; Stephen Hemminger <stephen@networkplumber.org>; Jerin= Jacob <jerinj@marvell.com>; Kiran Kumar K <kirankumark@marvell.co= m>; Nithin Dabilpuram <ndabilpuram@marvell.com>; Zhirun Yan <ya= nzhirun_163@163.com>
> Subject: Re: [PATCH v2] pcapng: allow any protocol link type for the i= nterface block
>
>
> WARNING: This email originated from outside of Qualcomm. Please be war= y of any links or attachments, and do not enable macros.
>
> Hey Thomas,
> Thanks for the reply.
> Can you tell me the build command you're using to produce those errors= ? I have ran the builds on my test machine and cannot reproduce these. Than= ks!
> Dylan
> ________________________________
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Friday, June 27, 2025 11:39 AM
> To: Dylan Schneider <schneide@qti.qualcomm.com>
> Cc: dev@dpdk.org <dev@dpdk.org>; Reshma Pattan <reshma.pattan= @intel.com>; Stephen Hemminger <stephen@networkplumber.org>; Jerin= Jacob <jerinj@marvell.com>; Kiran Kumar K <kirankumark@marvell.co= m>; Nithin Dabilpuram <ndabilpuram@marvell.com>; Zhirun Yan <ya= nzhirun_163@163.com>
> Subject: Re: [PATCH v2] pcapng: allow any protocol link type for the i= nterface block
>
> WARNING: This email originated from outside of Qualcomm. Please be war= y of any links or attachments, and do not enable macros.
>
> 09/06/2025 23:19, Schneide:
> > From: Dylan Schneider <schneide@qti.qualcomm.com>
> >
> > Allow the user to specify protocol link type when creating pcapng= files.
> > This change is needed to specify the protocol type in the pcapng = file,
> > DLT_EN10MB specifies ethernet packets only. This will allow disse= ctors
> > for other protocols to be used on files generated by pcapng.
> >
> > Includes a breaking change to rte_pcapng_add_interface to add lin= k_type
> > parameter. Existing calls to the function have been updated to pa= ss
> > DLT_EN10MB for the link type argument.
> >
> > Fixes: d1da6d0d04c7 ("pcapng: require per-interface informat= ion")
> > Signed-off-by: Dylan Schneider <schneide@qti.qualcomm.com><= br> > > Cc: stephen@networkplumber.org
>
> I doesn't pass compilation test on my machine:
>
> Error: cannot find librte_pcapng.so.25.1 in dpdk-build/build-arm64-gen= eric-gcc/install
> Error: cannot find librte_graph.so.25.1 in dpdk-build/build-arm64-gene= ric-gcc/install
> Error: cannot find librte_node.so.25.1 in dpdk-build/build-arm64-gener= ic-gcc/install
> Error: cannot find librte_pdump.so.25.1 in dpdk-build/build-arm64-gene= ric-gcc/install
>
>
>
>





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