From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hemant Agrawal Subject: [PATCHv5 29/33] net/dpaa2: enable stashing for LS2088A devices Date: Thu, 19 Jan 2017 18:53:56 +0530 Message-ID: <1484832240-2048-32-git-send-email-hemant.agrawal@nxp.com> References: <1484679174-4174-1-git-send-email-hemant.agrawal@nxp.com> <1484832240-2048-1-git-send-email-hemant.agrawal@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: , , , , , , Hemant Agrawal To: Return-path: Received: from NAM01-BY2-obe.outbound.protection.outlook.com (mail-by2nam01on0040.outbound.protection.outlook.com [104.47.34.40]) by dpdk.org (Postfix) with ESMTP id 7321FF97E for ; Thu, 19 Jan 2017 14:25:51 +0100 (CET) In-Reply-To: <1484832240-2048-1-git-send-email-hemant.agrawal@nxp.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" As the hardware determines which core will process which packet, performance is boosted by direct cache warming/stashing as well as by providing biasing for core-to-flow affinity, which ensures that flow-specific data structures can remain in the core’s cache. This patch enables the one cache line data stashing for packet annotation data and packet context Signed-off-by: Hemant Agrawal --- drivers/net/dpaa2/dpaa2_ethdev.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index a9d5f10..2cf395f 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -278,6 +278,17 @@ options = options | DPNI_QUEUE_OPT_USER_CTX; cfg.user_context = (uint64_t)(dpaa2_q); + /*if ls2088 or rev2 device, enable the stashing */ + if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) { + options |= DPNI_QUEUE_OPT_FLC; + cfg.flc.stash_control = true; + cfg.flc.value &= 0xFFFFFFFFFFFFFFC0; + /* 00 00 00 - last 6 bit represent annotation, context stashing, + * data stashing setting 01 01 00 (0x14) to enable + * 1 line annotation, 1 line context + */ + cfg.flc.value |= 0x14; + } ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX, dpaa2_q->tc_index, flow_id, options, &cfg); if (ret) { -- 1.9.1