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[2a01:cb05:8d23:d600:b637:ad91:a758:ba3f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432da29ffe9sm22060855e9.44.2024.11.14.04.13.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Nov 2024 04:13:30 -0800 (PST) Date: Thu, 14 Nov 2024 13:13:28 +0100 From: Guillaume Nault To: Roger Quadros Cc: Siddharth Vadapalli , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-omap@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, srk@ti.com, Pekka Varis Subject: Re: [PATCH net-next v3 2/2] net: ethernet: ti: am65-cpsw: enable DSCP to priority map for RX Message-ID: References: <20241109-am65-cpsw-multi-rx-dscp-v3-0-1cfb76928490@kernel.org> <20241109-am65-cpsw-multi-rx-dscp-v3-2-1cfb76928490@kernel.org> <76dd6141-5852-43ae-af98-f0edf0bc10f5@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <76dd6141-5852-43ae-af98-f0edf0bc10f5@kernel.org> On Thu, Nov 14, 2024 at 11:41:06AM +0200, Roger Quadros wrote: > On 14/11/2024 02:16, Guillaume Nault wrote: > > So what about following the IETF mapping found in section 4.3? > > https://datatracker.ietf.org/doc/html/rfc8325#section-4.3 > > Thanks for this tip. > I will update this patch to have the default DSCP to UP mapping as per > above link and map all unused DSCP to UP 0. > > Is there any mechanism/API for network administrator to change this > default mapping in the network drivers? I'm not aware of any (appart from manual update with tc), but I could have missed something. It'd probably make sense to have such a mechanism though. > >> static void am65_cpsw_sl_ctl_reset(struct am65_cpsw_port *port) > >> { > >> cpsw_sl_reset(port->slave.mac_sl, 100); > >> @@ -921,6 +974,7 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) > >> common->usage_count++; > >> > >> am65_cpsw_port_set_sl_mac(port, ndev->dev_addr); > >> + am65_cpsw_port_enable_dscp_map(port); > >> > >> if (common->is_emac_mode) > >> am65_cpsw_init_port_emac_ale(port); > >> > >> -- > >> 2.34.1 > >> > >> > > > > -- > cheers, > -roger >