From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EDBBBA0A0F; Wed, 30 Jun 2021 09:35:16 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A9FC941248; Wed, 30 Jun 2021 09:35:09 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mails.dpdk.org (Postfix) with ESMTP id 5487D40040 for ; Wed, 30 Jun 2021 09:35:04 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10030"; a="229940179" X-IronPort-AV: E=Sophos;i="5.83,311,1616482800"; d="scan'208";a="229940179" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2021 00:35:02 -0700 X-IronPort-AV: E=Sophos;i="5.83,311,1616482800"; d="scan'208";a="457115060" Received: from unknown (HELO localhost.localdomain) ([10.240.183.109]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2021 00:34:59 -0700 From: Wenwu Ma To: dev@dpdk.org Cc: maxime.coquelin@redhat.com, chenbo.xia@intel.com, cheng1.jiang@intel.com, jiayu.hu@intel.com, Wenwu Ma Date: Wed, 30 Jun 2021 19:27:55 +0000 Message-Id: <20210630192757.91911-3-wenwux.ma@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210630192757.91911-1-wenwux.ma@intel.com> References: <20210602083110.5530-1-yuanx.wang@intel.com> <20210630192757.91911-1-wenwux.ma@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v4 2/4] examples/vhost: use a new API to query remaining ring space 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 Sender: "dev" A new API for querying the remaining descriptor ring capacity is available, so we use the new one instead of the old one. Signed-off-by: Wenwu Ma --- examples/vhost/ioat.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/examples/vhost/ioat.c b/examples/vhost/ioat.c index 2a2c2d7202..bf4e033bdb 100644 --- a/examples/vhost/ioat.c +++ b/examples/vhost/ioat.c @@ -17,7 +17,6 @@ struct packet_tracker { unsigned short next_read; unsigned short next_write; unsigned short last_remain; - unsigned short ioat_space; }; struct packet_tracker cb_tracker[MAX_VHOST_DEVICE]; @@ -113,7 +112,6 @@ open_ioat(const char *value) goto out; } rte_rawdev_start(dev_id); - cb_tracker[dev_id].ioat_space = IOAT_RING_SIZE - 1; dma_info->nr++; i++; } @@ -140,7 +138,7 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, src = descs[i_desc].src; dst = descs[i_desc].dst; i_seg = 0; - if (cb_tracker[dev_id].ioat_space < src->nr_segs) + if (rte_ioat_burst_capacity(dev_id) < src->nr_segs) break; while (i_seg < src->nr_segs) { rte_ioat_enqueue_copy(dev_id, @@ -155,7 +153,6 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, } write &= mask; cb_tracker[dev_id].size_track[write] = src->nr_segs; - cb_tracker[dev_id].ioat_space -= src->nr_segs; write++; } } else { @@ -194,7 +191,6 @@ ioat_check_completed_copies_cb(int vid, uint16_t queue_id, if (n_seg == 0) return 0; - cb_tracker[dev_id].ioat_space += n_seg; n_seg += cb_tracker[dev_id].last_remain; read = cb_tracker[dev_id].next_read; -- 2.25.1