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From: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
To: xiaoliang.yang_1@nxp.com, po.liu@nxp.com, claudiu.manoil@nxp.com,
	alexandru.marginean@nxp.com, vladimir.oltean@nxp.com,
	leoyang.li@nxp.com, mingkai.hu@nxp.com, andrew@lunn.ch,
	f.fainelli@gmail.com, vivien.didelot@gmail.com,
	davem@davemloft.net, jiri@resnulli.us, idosch@idosch.org,
	kuba@kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, horatiu.vultur@microchip.com,
	alexandre.belloni@bootlin.com, allan.nielsen@microchip.com,
	joergen.andreasen@microchip.com, UNGLinuxDriver@microchip.com,
	vinicius.gomes@intel.com, nikolay@cumulusnetworks.com,
	roopa@cumulusnetworks.com, linux-devel@linux.nxdi.nxp.com
Subject: [PATCH v2 net-next 1/3] net: dsa: felix: qos classified based on pcp
Date: Wed, 13 May 2020 10:25:08 +0800	[thread overview]
Message-ID: <20200513022510.18457-2-xiaoliang.yang_1@nxp.com> (raw)
In-Reply-To: <20200513022510.18457-1-xiaoliang.yang_1@nxp.com>

Set the default QoS Classification based on PCP and DEI of vlan tag,
after that, frames can be Classified to different Qos based on PCP tag.
If there is no vlan tag or vlan ignored, use port default Qos.

Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
---
 drivers/net/dsa/ocelot/felix.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index a2dfd73f8a1a..58d6b0f454e5 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -289,6 +289,27 @@ static void felix_phylink_mac_link_up(struct dsa_switch *ds, int port,
 			 QSYS_SWITCH_PORT_MODE, port);
 }
 
+static void felix_port_qos_map_init(struct ocelot *ocelot, int port)
+{
+	int i;
+
+	ocelot_rmw_gix(ocelot,
+		       ANA_PORT_QOS_CFG_QOS_PCP_ENA,
+		       ANA_PORT_QOS_CFG_QOS_PCP_ENA,
+		       ANA_PORT_QOS_CFG,
+		       port);
+
+	for (i = 0; i < FELIX_NUM_TC * 2; i++) {
+		ocelot_rmw_ix(ocelot,
+			      (ANA_PORT_PCP_DEI_MAP_DP_PCP_DEI_VAL & i) |
+			      ANA_PORT_PCP_DEI_MAP_QOS_PCP_DEI_VAL(i),
+			      ANA_PORT_PCP_DEI_MAP_DP_PCP_DEI_VAL |
+			      ANA_PORT_PCP_DEI_MAP_QOS_PCP_DEI_VAL_M,
+			      ANA_PORT_PCP_DEI_MAP,
+			      port, i);
+	}
+}
+
 static void felix_get_strings(struct dsa_switch *ds, int port,
 			      u32 stringset, u8 *data)
 {
@@ -547,6 +568,11 @@ static int felix_setup(struct dsa_switch *ds)
 			ocelot_configure_cpu(ocelot, port,
 					     OCELOT_TAG_PREFIX_NONE,
 					     OCELOT_TAG_PREFIX_LONG);
+
+		/* Set the default QoS Classification based on PCP and DEI
+		 * bits of vlan tag.
+		 */
+		felix_port_qos_map_init(ocelot, port);
 	}
 
 	/* Include the CPU port module in the forwarding mask for unknown
-- 
2.17.1


  reply	other threads:[~2020-05-13  2:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13  2:25 [PATCH v2 net-next 0/3] net: dsa: felix: tc taprio and CBS offload support Xiaoliang Yang
2020-05-13  2:25 ` Xiaoliang Yang [this message]
2020-05-13  3:19   ` [PATCH v2 net-next 1/3] net: dsa: felix: qos classified based on pcp Florian Fainelli
2020-05-13  2:25 ` [PATCH v2 net-next 2/3] net: dsa: felix: Configure Time-Aware Scheduler via taprio offload Xiaoliang Yang
2020-05-13  3:20   ` Florian Fainelli
2020-05-13  2:25 ` [PATCH v2 net-next 3/3] net: dsa: felix: add support Credit Based Shaper(CBS) for hardware offload Xiaoliang Yang
2020-05-13  3:20   ` Florian Fainelli
2020-05-13 18:55 ` [PATCH v2 net-next 0/3] net: dsa: felix: tc taprio and CBS offload support David Miller

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