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 67B4EC53209 for ; Mon, 27 Jul 2026 13:10:59 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2304440279; Mon, 27 Jul 2026 15:10:58 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by mails.dpdk.org (Postfix) with ESMTP id 9B22A400D6 for ; Mon, 27 Jul 2026 15:10:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785157857; x=1816693857; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cUewVA1cQjznm9MAXjwomAsFPhFUF01JtW/JXu6NsTE=; b=C5fl6Ibh9dCql6WoO+s1CGMj9giYwWVp+IkI7aTan9k9NpZZacQUfEsz K6to1cc7xuZq9IIDgKX+P/ikzBdw8IIRCHtKQrcvo/24Cf0MzEkj/ZMrQ T/aSuqpvVG2uTPic2fg7LYtXQZVrQWdMwmlMS//J/7lwksiZlxLafyFcS OcZIfsxVvnvq9QxezdcJnMgegtCBUQnI9QGhNMQ94J1c5aGkd2ZSoL9Cm o3XOPEzskFyxvnsaqaOpIn5S9Y5PYSPzaIslWZIE3fKwOhVRaTCHqNLWS D0LdZg9fm24uTjsgXEqt89Iwj8j0BJJuUG8p0mgq+dnyIXQGncYmn4Bp2 Q==; X-CSE-ConnectionGUID: oTcERYutQuaAqUHMduyiEg== X-CSE-MsgGUID: tQvfYJouQYSnBJF9lAdiCw== X-IronPort-AV: E=McAfee;i="6800,10657,11858"; a="84701149" X-IronPort-AV: E=Sophos;i="6.25,188,1779174000"; d="scan'208";a="84701149" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2026 06:10:55 -0700 X-CSE-ConnectionGUID: j+IZeS24RkuCWMhieGRc/g== X-CSE-MsgGUID: Vn4eRS/8TUKrYC6Jm7IUUQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,188,1779174000"; d="scan'208";a="261377373" Received: from pae-14.iind.intel.com ([10.190.203.153]) by fmviesa004.fm.intel.com with ESMTP; 27 Jul 2026 06:10:53 -0700 From: Anurag Mandal To: dev@dpdk.org Cc: bruce.richardson@intel.com, vladimir.medvedkin@intel.com, Anurag Mandal Subject: [PATCH v2] net/iavf: add clock read support Date: Mon, 27 Jul 2026 13:10:16 +0000 Message-Id: <20260727131016.790792-1-anurag.mandal@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260727102444.789833-1-anurag.mandal@intel.com> References: <20260727102444.789833-1-anurag.mandal@intel.com> 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 --- V2: Addressed minor typo drivers/net/intel/iavf/iavf.h | 1 + drivers/net/intel/iavf/iavf_ethdev.c | 24 ++++++++++++++++++++++++ drivers/net/intel/iavf/iavf_vchnl.c | 13 ++++++++++--- 3 files changed, 35 insertions(+), 3 deletions(-) diff --git a/drivers/net/intel/iavf/iavf.h b/drivers/net/intel/iavf/iavf.h index 293adaf6c9..416625d9fb 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); +int iavf_phc_get_time(struct iavf_adapter *adapter, uint64_t *time); #endif /* _IAVF_ETHDEV_H_ */ 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