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Sat, 23 Feb 2019 08:48:55 +0000 From: Ioana Ciornei To: Leo Li CC: Roy Pledge , Ioana Ciocoi Radulescu , Laurentiu Tudor , Horia Geanta , "brouer@redhat.com" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Ioana Ciornei Subject: [PATCH 3/3] dpaa2-eth: configure the cache stashing amount on a queue Thread-Topic: [PATCH 3/3] dpaa2-eth: configure the cache stashing amount on a queue Thread-Index: AQHUy1Sce6CSfKYA40uc+yzfmqx49A== Date: Sat, 23 Feb 2019 08:48:55 +0000 Message-ID: <20190223084816.28985-4-ioana.ciornei@nxp.com> References: <20190223084816.28985-1-ioana.ciornei@nxp.com> In-Reply-To: <20190223084816.28985-1-ioana.ciornei@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SN6PR04CA0061.namprd04.prod.outlook.com (2603:10b6:805:2a::38) To VI1PR0402MB2800.eurprd04.prod.outlook.com (2603:10a6:800:ad::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=ioana.ciornei@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.8.3 x-originating-ip: [64.157.242.222] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 443011c1-e52a-4027-1bbc-08d6996bbe6a x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; 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Since the frame context is not used, configure that only 64 bytes of frame data and 64 bytes of annotation will be stashed. Signed-off-by: Ioana Ciornei --- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index c500ea7..3c03fca8 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -2303,9 +2303,14 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv, queue.destination.type = DPNI_DEST_DPCON; queue.destination.priority = 1; queue.user_context = (u64)(uintptr_t)fq; + queue.flc.stash_control = 1; + queue.flc.value &= 0xFFFFFFFFFFFFFFC0; + /* 01 01 00 - data, annotation, flow context */ + queue.flc.value |= 0x14; err = dpni_set_queue(priv->mc_io, 0, priv->mc_token, DPNI_QUEUE_RX, 0, fq->flowid, - DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST, + DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST | + DPNI_QUEUE_OPT_FLC, &queue); if (err) { dev_err(dev, "dpni_set_queue(RX) failed\n");