From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEE8DC531D0 for ; Mon, 27 Jul 2026 10:25:40 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 95B9540279; Mon, 27 Jul 2026 12:25:39 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by mails.dpdk.org (Postfix) with ESMTP id 6C1D7400D6 for ; Mon, 27 Jul 2026 12:25:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785147937; x=1816683937; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=hQazpuIM+aX4qf1G2QRhRaebnNXxR1WsPKKg5XZ5S04=; b=NdaEixuwpIwAaL8q9Rnm0V2Oyq42PrUDpB345xsTES0tN2ckdxojQdvR 3tedn2i+WczkQ5BM6ekDSgwveN/NZ4WarMVmf/M+P9IlBb0pSsrE/Cf16 yBfJ2Q/zDNAiWwuj5o2kWqRJ6nuBvoWu5+Lxcg1Gl9e8rc+Oz6ynfbtdu VFE6AMvSYa7iDLHd6sB3pcty0IVezj+Gq3Un1iTts82JeWxeloj1tv07h rnTo731xwnv8nVjwTigvVM7wTuWB/Rf3e37EJJ82Aa9AzTNdVbzV36e+0 OEZpKP+219x2rlIopSrbRUP9VUGWg2760V9MjcLGFhndzjgVi+GW70Fun g==; X-CSE-ConnectionGUID: o41zw8exQy2BwuOp8KABaA== X-CSE-MsgGUID: nTOW23Q3SFihKYIJar5CqQ== X-IronPort-AV: E=McAfee;i="6800,10657,11857"; a="96069314" X-IronPort-AV: E=Sophos;i="6.25,188,1779174000"; d="scan'208";a="96069314" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2026 03:25:19 -0700 X-CSE-ConnectionGUID: hw80r9WhQP6xejNzaRhNyg== X-CSE-MsgGUID: daVwLMeuSuqHnWyZzxD4SA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,188,1779174000"; d="scan'208";a="259441750" Received: from pae-14.iind.intel.com ([10.190.203.153]) by orviesa007.jf.intel.com with ESMTP; 27 Jul 2026 03:25:16 -0700 From: Anurag Mandal To: dev@dpdk.org Cc: bruce.richardson@intel.com, vladimir.medvedkin@intel.com, Anurag Mandal Subject: [PATCH] net/iavf: add clock read support Date: Mon, 27 Jul 2026 10:24:44 +0000 Message-Id: <20260727102444.789833-1-anurag.mandal@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 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 --- 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