[dpdk-stable] [PATCH v3] net/dpaa2: fix build error about timesync functions

[Sachin Saxena (OSS)]

Acked-by: Sachin Saxena<sachin.saxena at oss.nxp.com>


On 08-Oct-20 6:42 PM, Ferruh Yigit wrote:
> On 10/8/2020 3:24 AM, Sachin Saxena (OSS) wrote:
>
> [please don't top post, I moved reply to down]
>
>>
>> On 06-Oct-20 10:46 PM, Ferruh Yigit wrote:
>>> From: Chenxu Di<chenxux.di at intel.com>
>>>
>>> Some timesync related source files are built only when
>>> 'RTE_LIBRTE_IEEE1588' config is set, which is missing in meson.
>>>
>>> Building with '-DRTE_LIBRTE_IEEE1588' cflag will enable timesync
>>> functionality in the files that are build, but it won't build files
>>> that require 'RTE_LIBRTE_IEEE1588' config.
>>> This causes the build error.
>>>
>>> Fixing by removing config check in meson file and build all .c files by
>>> default, but wrap relevant code part with 'RTE_LIBRTE_IEEE1588' macro.
>>>
>>> Also removing 'RTE_LIBRTE_IEEE1588' ifdef around some fields of the 
>>> data
>>> structures, to not require finer grained macro wraps on the functions
>>> using them.
>>> Since the registration of the function disabled with macro check, 
>>> having
>>> functions compiled shouldn't affect the functionality.
>>>
>>> Fixes: 184c39d16568 ("net/dpaa2: add DPRTC sub-module")
>>> Cc:stable at dpdk.org
>>>
>>> Signed-off-by: Chenxu Di<chenxux.di at intel.com>
>>> Signed-off-by: Ferruh Yigit<ferruh.yigit at intel.com>
>>> ---
>>>   drivers/net/dpaa2/dpaa2_ethdev.h | 4 ----
>>>   drivers/net/dpaa2/dpaa2_ptp.c    | 2 ++
>>>   drivers/net/dpaa2/meson.build    | 7 ++-----
>>>   3 files changed, 4 insertions(+), 9 deletions(-)
>>>
>>> diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h 
>>> b/drivers/net/dpaa2/dpaa2_ethdev.h
>>> index e577355d57..94cf253827 100644
>>> --- a/drivers/net/dpaa2/dpaa2_ethdev.h
>>> +++ b/drivers/net/dpaa2/dpaa2_ethdev.h
>>> @@ -160,7 +160,6 @@ struct dpaa2_dev_priv {
>>>       uint16_t ss_offset;
>>>       uint64_t ss_iova;
>>>       uint64_t ss_param_iova;
>>> -#if defined(RTE_LIBRTE_IEEE1588)
>>>       /*stores timestamp of last received packet on dev*/
>>>       uint64_t rx_timestamp;
>>>       /*stores timestamp of last received tx confirmation packet on 
>>> dev*/
>>> @@ -169,7 +168,6 @@ struct dpaa2_dev_priv {
>>>        * it corresponds to last packet transmitted
>>>        */
>>>       struct dpaa2_queue *next_tx_conf_queue;
>>> -#endif
>>>         struct rte_eth_dev *eth_dev; /**< Pointer back to holding 
>>> ethdev */
>>>   @@ -227,7 +225,6 @@ void dpaa2_dev_free_eqresp_buf(uint16_t 
>>> eqresp_ci);
>>>   void dpaa2_flow_clean(struct rte_eth_dev *dev);
>>>   uint16_t dpaa2_dev_tx_conf(void *queue)  __rte_unused;
>>>   -#if defined(RTE_LIBRTE_IEEE1588)
>>>   int dpaa2_timesync_enable(struct rte_eth_dev *dev);
>>>   int dpaa2_timesync_disable(struct rte_eth_dev *dev);
>>>   int dpaa2_timesync_read_time(struct rte_eth_dev *dev,
>>> @@ -240,5 +237,4 @@ int dpaa2_timesync_read_rx_timestamp(struct 
>>> rte_eth_dev *dev,
>>>                           uint32_t flags __rte_unused);
>>>   int dpaa2_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
>>>                         struct timespec *timestamp);
>>> -#endif
>>>   #endif /* _DPAA2_ETHDEV_H */
>>> diff --git a/drivers/net/dpaa2/dpaa2_ptp.c 
>>> b/drivers/net/dpaa2/dpaa2_ptp.c
>>> index f58eedb314..899dd5d442 100644
>>> --- a/drivers/net/dpaa2/dpaa2_ptp.c
>>> +++ b/drivers/net/dpaa2/dpaa2_ptp.c
>>> @@ -129,6 +129,7 @@ int dpaa2_timesync_read_rx_timestamp(struct 
>>> rte_eth_dev *dev,
>>>       return 0;
>>>   }
>>>   +#if defined(RTE_LIBRTE_IEEE1588)
>>>   static int
>>>   dpaa2_create_dprtc_device(int vdev_fd __rte_unused,
>>>                  struct vfio_device_info *obj_info __rte_unused,
>>> @@ -179,3 +180,4 @@ static struct rte_dpaa2_object 
>>> rte_dpaa2_dprtc_obj = {
>>>   };
>>>     RTE_PMD_REGISTER_DPAA2_OBJECT(dprtc, rte_dpaa2_dprtc_obj);
>>> +#endif
>>> diff --git a/drivers/net/dpaa2/meson.build 
>>> b/drivers/net/dpaa2/meson.build
>>> index 6dd0eb274c..4312aa73f7 100644
>>> --- a/drivers/net/dpaa2/meson.build
>>> +++ b/drivers/net/dpaa2/meson.build
>>> @@ -13,15 +13,12 @@ sources = files('base/dpaa2_hw_dpni.c',
>>>           'dpaa2_flow.c',
>>>           'dpaa2_rxtx.c',
>>>           'dpaa2_sparser.c',
>>> +        'dpaa2_ptp.c',
>>> +        'mc/dprtc.c',
>>>           'mc/dpkg.c',
>>>           'mc/dpdmux.c',
>>>           'mc/dpni.c')
>>>   -if dpdk_conf.has('RTE_LIBRTE_IEEE1588')
>>> -    sources += files('mc/dprtc.c')
>>> -    sources += files('dpaa2_ptp.c')
>>> -endif
>>> -
>>>   includes += include_directories('base', 'mc')
>>>     install_headers('rte_pmd_dpaa2.h')
>>
> > Following change should also be handled as suggested by Ferruh in 
> earlier.
> >
> >     diff --git a/drivers/net/dpaa2/dpaa2_ptp.c 
> b/drivers/net/dpaa2/dpaa2_ptp.c
> >     index 9f755e84bf..0e44d4c6bf 100644
> >     --- a/drivers/net/dpaa2/dpaa2_ptp.c
> >     +++ b/drivers/net/dpaa2/dpaa2_ptp.c
> >     @@ -178,4 +178,6 @@ static struct rte_dpaa2_object 
> rte_dpaa2_dprtc_obj = {
> >              .create = dpaa2_create_dprtc_device,
> >       };
> >
> >     +#if defined(RTE_LIBRTE_IEEE1588)
> >       RTE_PMD_REGISTER_DPAA2_OBJECT(dprtc, rte_dpaa2_dprtc_obj);
> >     +#endif
> >
>
> I think it is already covered in the patch.
>
> Since just wrapping the macro cause a warning on unused static 
> variable/function, I need to wrap 'rte_dpaa2_dprtc_obj' & 
> 'dpaa2_create_dprtc_device()' too along with above macro you mentioned.