netdev - [PATCH net-next v3 6/6] net: ethernet: ti: am65-cpsw: setup priority to flow mapping

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Message-Id: <20240703-am65-cpsw-multi-rx-v3-6-f11cd860fd72@kernel.org>
Date: Wed, 03 Jul 2024 16:51:37 +0300
From: Roger Quadros <rogerq@...nel.org>
To: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Siddharth Vadapalli <s-vadapalli@...com>, 
 Julien Panis <jpanis@...libre.com>
Cc: Simon Horman <horms@...nel.org>, Andrew Lunn <andrew@...n.ch>, 
 srk@...com, vigneshr@...com, danishanwar@...com, 
 pekka Varis <p-varis@...com>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, 
 Roger Quadros <rogerq@...nel.org>
Subject: [PATCH net-next v3 6/6] net: ethernet: ti: am65-cpsw: setup
 priority to flow mapping

Now that we support multiple RX queues, enable default priority
to flow mapping so that higher priority packets come on higher
channels (flows).

The Classifier checks for PCP/DSCP priority in the packet and
routes them to the appropriate flow.

Signed-off-by: Roger Quadros <rogerq@...nel.org>
Reviewed-by: Simon Horman <horms@...nel.org>
---
Changelog:
v3:
- added Reviewed-by Simon Horman
---
 drivers/net/ethernet/ti/am65-cpsw-nuss.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index deb8e39e4648..4db03010d234 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2497,6 +2497,9 @@ static int am65_cpsw_nuss_init_rx_chns(struct am65_cpsw_common *common)
 		}
 	}

+	/* setup classifier to route priorities to flows */
+	cpsw_ale_classifier_setup_default(common->ale, common->rx_ch_num_flows);
+
 err:
 	i = devm_add_action(dev, am65_cpsw_nuss_free_rx_chns, common);
 	if (i) {

-- 
2.34.1