From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mail.toke.dk (Postfix) with ESMTPS id 8A0B7A0628B for ; Fri, 12 May 2023 17:20:19 +0200 (CEST) Authentication-Results: mail.toke.dk; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=QuNobgS8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683904819; x=1715440819; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cqKMx2oSgYgFjniI/xbMp1UqCMkQn2DYgiq9853O1hY=; b=QuNobgS8u5sjHdkjWMmd1Ndhtk1Z9rvvG2WjDoH6XjqhRwjVu81SUkcE Izoz4zCjVqO8YZ8mxeIMqRxsdGS6tchZXnxu5eon5jnuNabxRedAf9o46 XtSF3QJ6PYAHS5jPIoaG5joiBtX81hMAV0ijV7RMqkmzLwuMM4PlVByfc fUwVE7Fd+VWa+XxG+mKw7AKgmmKmwQzIIsTuX74y8nl6eKxm6QxSoveWI HeudbpqltchIRE8Tp6rYxisCyBlDEvjJRYhnFgzjV9jbW52GbKTXEXrf4 394PVhwHZeocRuiW2f8TJKUT+RimtS0MmSPU1wGL3CRVMwFfzjFCBPmyb Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="331173854" X-IronPort-AV: E=Sophos;i="5.99,269,1677571200"; d="scan'208";a="331173854" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 08:20:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="765196706" X-IronPort-AV: E=Sophos;i="5.99,269,1677571200"; d="scan'208";a="765196706" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmsmga008.fm.intel.com with ESMTP; 12 May 2023 08:20:14 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id D702B3635B; Fri, 12 May 2023 16:20:12 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Date: Fri, 12 May 2023 17:16:30 +0200 Message-Id: <20230512151639.992033-7-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230512151639.992033-1-larysa.zaremba@intel.com> References: <20230512151639.992033-1-larysa.zaremba@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: 2B3ZTPCFSEX2I2FQ6MNQOSFHLHXN55GE X-Message-ID-Hash: 2B3ZTPCFSEX2I2FQ6MNQOSFHLHXN55GE X-MailFrom: larysa.zaremba@intel.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Larysa Zaremba , Stanislav Fomichev , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Jakub Kicinski , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Jiri Olsa , Jesse Brandeburg , Tony Nguyen , Anatoly Burakov , Jesper Dangaard Brouer , Alexander Lobakin , Magnus Karlsson , Maryam Tahhan , xdp-hints@xdp-project.net, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] [PATCH 06/15] ice: Support HW timestamp hint List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Use previously refactored code and create a function that allows XDP code to read HW timestamp. HW timestamp is the first supported hint in the driver, so also add xdp_metadata_ops. Signed-off-by: Larysa Zaremba --- drivers/net/ethernet/intel/ice/ice.h | 2 ++ drivers/net/ethernet/intel/ice/ice_main.c | 1 + drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 22 +++++++++++++++++++ 3 files changed, 25 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index aa32111afd6e..ba1bb8392db1 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -962,4 +962,6 @@ static inline void ice_clear_rdma_cap(struct ice_pf *pf) set_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags); clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); } + +extern const struct xdp_metadata_ops ice_xdp_md_ops; #endif /* _ICE_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a1f7c8edc22f..cda6c4a80737 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3378,6 +3378,7 @@ static void ice_set_ops(struct ice_vsi *vsi) netdev->netdev_ops = &ice_netdev_ops; netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic; + netdev->xdp_metadata_ops = &ice_xdp_md_ops; ice_set_ethtool_ops(netdev); if (vsi->type != ICE_VSI_PF) diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 2515f5f7a2b6..e9589cadf811 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -537,3 +537,25 @@ void ice_finalize_xdp_rx(struct ice_tx_ring *xdp_ring, unsigned int xdp_res, spin_unlock(&xdp_ring->tx_lock); } } + +/** + * ice_xdp_rx_hw_ts - HW timestamp XDP hint handler + * @ctx: XDP buff pointer + * @ts_ns: destination address + * + * Copy HW timestamp (if available) to the destination address. + */ +static int ice_xdp_rx_hw_ts(const struct xdp_md *ctx, u64 *ts_ns) +{ + const struct ice_xdp_buff *xdp_ext = (void *)ctx; + + if (!ice_ptp_copy_rx_hwts_from_desc(xdp_ext->rx_ring, + xdp_ext->eop_desc, ts_ns)) + return -EOPNOTSUPP; + + return 0; +} + +const struct xdp_metadata_ops ice_xdp_md_ops = { + .xmo_rx_timestamp = ice_xdp_rx_hw_ts, +}; -- 2.35.3