[dpdk-users] Create new driver error

[dpdk-users] Create new driver error

[Oscar Pap]

Hello!

I´m trying to create a new driver called "baseband_ldpc" for baseband but I
get this error:

EAL: failed to parse device "baseband_ldpc"
EAL: Unable to parse device 'baseband_ldpc'


I created the driver in the /dpdk/drivers/baseband/ldpc folder.
The file is called ldpc.c
I created a copy of the Makefile from the other drivers but changed these
lines:

LIB =librte_pmd_bbdev_ldpc.a
...
EXPORT_MAP :=rte_pmd_bbdev_ldpc_version.map
...
SRCS-$(CONFIG_RTELIBRTE_PMD_BBDEV_LDPC) += ldpc.c


I added this line in the Makefile in the folder /dpdk/drivers/baseband
DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_LDPC) += ldpc
DEPDIRS-ldpc = $(core-libs)

I also added these lines in the common_base file:
CONFIG_RTE_LIBRTE_PMD_BBDEV_LDPC=y

My guess is that the error has something to do with vdev and that my
baseband_ldpc doesnt get registered as a valid vdev.

My command for running the app is:
./build/bbdev --vdev='baseband_ldpc' --vdev='net_tap0' --no-pci

I hope that you can help with this problem.

Best regards,
Oscar

Re: [dpdk-users] Create new driver error

[Wiles, Keith]

Sent from my iPhone

> On Jan 31, 2019, at 2:44 AM, Oscar Pap <oscarpap94@gmail.com> wrote:
> 
> Hello!
> 
> I´m trying to create a new driver called "baseband_ldpc" for baseband but I
> get this error:
> 
> EAL: failed to parse device "baseband_ldpc"
> EAL: Unable to parse device 'baseband_ldpc'
> 
> 
> I created the driver in the /dpdk/drivers/baseband/ldpc folder.
> The file is called ldpc.c
> I created a copy of the Makefile from the other drivers but changed these
> lines:
> 
> LIB =librte_pmd_bbdev_ldpc.a
> ...
> EXPORT_MAP :=rte_pmd_bbdev_ldpc_version.map
> ...
> SRCS-$(CONFIG_RTELIBRTE_PMD_BBDEV_LDPC) += ldpc.c
> 
> 
> I added this line in the Makefile in the folder /dpdk/drivers/baseband
> DIRS-$(CONFIG_RTE_LIBRTE_PMD_BBDEV_LDPC) += ldpc
> DEPDIRS-ldpc = $(core-libs)
> 
> I also added these lines in the common_base file:
> CONFIG_RTE_LIBRTE_PMD_BBDEV_LDPC=y
> 
> My guess is that the error has something to do with vdev and that my
> baseband_ldpc doesnt get registered as a valid vdev.
> 
> My command for running the app is:
> ./build/bbdev --vdev='baseband_ldpc' --vdev='net_tap0' --no-pci
> 

Did you add your driver to the mk/rte.app.mk file?

> I hope that you can help with this problem.
> 
> Best regards,
> Oscar