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[94.71.163.64]) by smtp.gmail.com with ESMTPSA id s9sm14071186wme.36.2019.09.16.02.56.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Sep 2019 02:56:56 -0700 (PDT) Date: Mon, 16 Sep 2019 12:56:53 +0300 From: Ilias Apalodimas To: Vladimir Oltean Cc: f.fainelli@gmail.com, vivien.didelot@gmail.com, andrew@lunn.ch, davem@davemloft.net, vinicius.gomes@intel.com, vedang.patel@intel.com, richardcochran@gmail.com, weifeng.voon@intel.com, jiri@mellanox.com, m-karicheri2@ti.com, jose.abreu@synopsys.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com, kurt.kanzenbach@linutronix.de, joergen.andreasen@microchip.com, netdev@vger.kernel.org Subject: Re: [PATCH v4 net-next 2/6] net: dsa: Pass ndo_setup_tc slave callback to drivers Message-ID: <20190916095653.GA4323@apalos.home> References: <20190915020003.27926-1-olteanv@gmail.com> <20190915020003.27926-3-olteanv@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190915020003.27926-3-olteanv@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, Sep 15, 2019 at 04:59:59AM +0300, Vladimir Oltean wrote: > DSA currently handles shared block filters (for the classifier-action > qdisc) in the core due to what I believe are simply pragmatic reasons - > hiding the complexity from drivers and offerring a simple API for port > mirroring. > > Extend the dsa_slave_setup_tc function by passing all other qdisc > offloads to the driver layer, where the driver may choose what it > implements and how. DSA is simply a pass-through in this case. > > Signed-off-by: Vladimir Oltean > Acked-by: Kurt Kanzenbach > Reviewed-by: Florian Fainelli > --- > Changes since v2: > - Added Florian Fainelli's Reviewed-by. > > Changes since v1: > - Added Kurt Kanzenbach's Acked-by. > > Changes since RFC: > - Removed the unused declaration of struct tc_taprio_qopt_offload. > > include/net/dsa.h | 2 ++ > net/dsa/slave.c | 12 ++++++++---- > 2 files changed, 10 insertions(+), 4 deletions(-) > > diff --git a/include/net/dsa.h b/include/net/dsa.h > index 96acb14ec1a8..541fb514e31d 100644 > --- a/include/net/dsa.h > +++ b/include/net/dsa.h > @@ -515,6 +515,8 @@ struct dsa_switch_ops { > bool ingress); > void (*port_mirror_del)(struct dsa_switch *ds, int port, > struct dsa_mall_mirror_tc_entry *mirror); > + int (*port_setup_tc)(struct dsa_switch *ds, int port, > + enum tc_setup_type type, void *type_data); > > /* > * Cross-chip operations > diff --git a/net/dsa/slave.c b/net/dsa/slave.c > index 9a88035517a6..75d58229a4bd 100644 > --- a/net/dsa/slave.c > +++ b/net/dsa/slave.c > @@ -1035,12 +1035,16 @@ static int dsa_slave_setup_tc_block(struct net_device *dev, > static int dsa_slave_setup_tc(struct net_device *dev, enum tc_setup_type type, > void *type_data) > { > - switch (type) { > - case TC_SETUP_BLOCK: > + struct dsa_port *dp = dsa_slave_to_port(dev); > + struct dsa_switch *ds = dp->ds; > + > + if (type == TC_SETUP_BLOCK) > return dsa_slave_setup_tc_block(dev, type_data); > - default: > + > + if (!ds->ops->port_setup_tc) > return -EOPNOTSUPP; > - } > + > + return ds->ops->port_setup_tc(ds, dp->index, type, type_data); > } > > static void dsa_slave_get_stats64(struct net_device *dev, > -- > 2.17.1 > Acked-by: Ilias Apalodimas