Recheck-request: rebase=next-net-intel, iol-unit-arm64-testing intel-Functional
Thank you. Regards, Anurag M > -----Original Message----- > From: Mandal, Anurag <[email protected]> > Sent: 27 July 2026 15:55 > To: [email protected] > Cc: Richardson, Bruce <[email protected]>; Medvedkin, Vladimir > <[email protected]>; Mandal, Anurag > <[email protected]> > Subject: [PATCH] net/iavf: add clock read support > > Implemented read_clock ethdev operation by adding > iavf_dev_read_clock() feature to get current time in nanoseconds for > scheduling packets based on transmit time. > > Signed-off-by: Anurag Mandal <[email protected]> > --- > drivers/net/intel/iavf/iavf.h | 3 ++- > drivers/net/intel/iavf/iavf_ethdev.c | 24 ++++++++++++++++++++++++ > drivers/net/intel/iavf/iavf_vchnl.c | 13 ++++++++++--- > 3 files changed, 36 insertions(+), 4 deletions(-) > > diff --git a/drivers/net/intel/iavf/iavf.h b/drivers/net/intel/iavf/iavf.h > index > 293adaf6c9..cf2b6596d5 100644 > --- a/drivers/net/intel/iavf/iavf.h > +++ b/drivers/net/intel/iavf/iavf.h > @@ -533,4 +533,5 @@ void iavf_handle_hw_reset(struct rte_eth_dev *dev, > bool vf_initiated_reset); void iavf_set_no_poll(struct iavf_adapter *adapter, > bool link_change); bool is_iavf_supported(struct rte_eth_dev *dev); void > iavf_hash_uninit(struct iavf_adapter *ad); -#endif /* _IAVF_ETHDEV_H_ */ > +int iavf_phc_get_time(struct iavf_adapter *adapter, uint64_t *time); > +#endif /* _IAVF_ETHDEV_H_ u*/ > diff --git a/drivers/net/intel/iavf/iavf_ethdev.c > b/drivers/net/intel/iavf/iavf_ethdev.c > index e475b64971..1a36885107 100644 > --- a/drivers/net/intel/iavf/iavf_ethdev.c > +++ b/drivers/net/intel/iavf/iavf_ethdev.c > @@ -165,6 +165,7 @@ static int iavf_set_mc_addr_list(struct rte_eth_dev > *dev, > struct rte_ether_addr *mc_addrs, > uint32_t mc_addrs_num); > static int iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg); > +static int iavf_dev_read_clock(struct rte_eth_dev *dev, uint64_t > +*clock); > > static const struct rte_pci_id pci_id_iavf_map[] = { > { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, > IAVF_DEV_ID_ADAPTIVE_VF) }, @@ -264,6 +265,7 @@ static const struct > eth_dev_ops iavf_eth_dev_ops = { > .tx_done_cleanup = iavf_dev_tx_done_cleanup, > .get_monitor_addr = iavf_get_monitor_addr, > .tm_ops_get = iavf_tm_ops_get, > + .read_clock = iavf_dev_read_clock, > }; > > static int > @@ -3662,6 +3664,28 @@ bool is_iavf_supported(struct rte_eth_dev *dev) > return !strcmp(dev->device->driver->name, > rte_iavf_pmd.driver.name); } > > +static int > +iavf_dev_read_clock(struct rte_eth_dev *dev, uint64_t *clock) { > + struct iavf_adapter *adapter = > + IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); > + struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); > + int ret; > + > + if (adapter->closed) > + return -EIO; > + > + if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_PTP) || > + !(vf->ptp_caps & VIRTCHNL_1588_PTP_CAP_READ_PHC)) > + return -ENOTSUP; > + > + ret = iavf_phc_get_time(adapter, clock); > + if (ret != 0) > + return -EIO; > + > + return 0; > +} > + > RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd); > RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map); > RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci"); diff --git > a/drivers/net/intel/iavf/iavf_vchnl.c b/drivers/net/intel/iavf/iavf_vchnl.c > index f346837bf1..a63639549c 100644 > --- a/drivers/net/intel/iavf/iavf_vchnl.c > +++ b/drivers/net/intel/iavf/iavf_vchnl.c > @@ -2521,9 +2521,8 @@ iavf_get_ptp_cap(struct iavf_adapter *adapter) } > > int > -iavf_get_phc_time(struct ci_rx_queue *rxq) > +iavf_phc_get_time(struct iavf_adapter *adapter, uint64_t *time) > { > - struct iavf_adapter *adapter = rxq->iavf_vsi->adapter; > struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); > uint8_t msg_buf[IAVF_AQ_BUF_SZ] = {0}; > struct virtchnl_phc_time phc_time; > @@ -2543,9 +2542,17 @@ iavf_get_phc_time(struct ci_rx_queue *rxq) > "Failed to execute command of > VIRTCHNL_OP_1588_PTP_GET_TIME"); > goto out; > } > - rxq->phc_time = ((struct virtchnl_phc_time *)args.out_buffer)->time; > + *time = ((struct virtchnl_phc_time *)args.out_buffer)->time; > > out: > rte_spinlock_unlock(&vf->phc_time_aq_lock); > return err; > } > + > +int > +iavf_get_phc_time(struct ci_rx_queue *rxq) { > + struct iavf_adapter *adapter = rxq->iavf_vsi->adapter; > + > + return iavf_phc_get_time(adapter, &rxq->phc_time); } > -- > 2.34.1
