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[184.163.105.249]) by smtp.gmail.com with ESMTPSA id t199sm9002745qke.36.2019.10.21.13.51.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Oct 2019 13:51:36 -0700 (PDT) From: Vivien Didelot To: "David S. Miller" Cc: linux-kernel@vger.kernel.org, Vivien Didelot , Florian Fainelli , Andrew Lunn , netdev@vger.kernel.org Subject: [PATCH net-next v2 01/16] net: dsa: use dsa_to_port helper everywhere Date: Mon, 21 Oct 2019 16:51:15 -0400 Message-Id: <20191021205130.304149-2-vivien.didelot@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191021205130.304149-1-vivien.didelot@gmail.com> References: <20191021205130.304149-1-vivien.didelot@gmail.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Do not let the drivers access the ds->ports static array directly while there is a dsa_to_port helper for this purpose. At the same time, un-const this helper since the SJA1105 driver assigns the priv member of the returned dsa_port structure. Signed-off-by: Vivien Didelot Reviewed-by: Florian Fainelli Reviewed-by: Andrew Lunn --- drivers/net/dsa/b53/b53_common.c | 6 +++--- drivers/net/dsa/bcm_sf2.c | 8 ++++---- drivers/net/dsa/bcm_sf2_cfp.c | 6 +++--- drivers/net/dsa/mt7530.c | 12 ++++++------ drivers/net/dsa/mv88e6xxx/chip.c | 10 +++++----- drivers/net/dsa/qca8k.c | 2 +- drivers/net/dsa/sja1105/sja1105_main.c | 18 +++++++++--------- include/net/dsa.h | 2 +- net/dsa/dsa.c | 8 +++++--- net/dsa/dsa2.c | 4 ++-- net/dsa/switch.c | 4 ++-- net/dsa/tag_8021q.c | 6 +++--- 12 files changed, 44 insertions(+), 42 deletions(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index cc3536315eff..aef9b56781ef 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -524,7 +524,7 @@ int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy) if (!dsa_is_user_port(ds, port)) return 0; - cpu_port = ds->ports[port].cpu_dp->index; + cpu_port = dsa_to_port(ds, port)->cpu_dp->index; if (dev->ops->irq_enable) ret = dev->ops->irq_enable(dev, port); @@ -1629,7 +1629,7 @@ EXPORT_SYMBOL(b53_fdb_dump); int b53_br_join(struct dsa_switch *ds, int port, struct net_device *br) { struct b53_device *dev = ds->priv; - s8 cpu_port = ds->ports[port].cpu_dp->index; + s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; u16 pvlan, reg; unsigned int i; @@ -1675,7 +1675,7 @@ void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *br) { struct b53_device *dev = ds->priv; struct b53_vlan *vl = &dev->vlans[0]; - s8 cpu_port = ds->ports[port].cpu_dp->index; + s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; unsigned int i; u16 pvlan, reg, pvid; diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 26509fa37a50..c068a3b7207b 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -662,7 +662,7 @@ static void bcm_sf2_sw_fixed_state(struct dsa_switch *ds, int port, * state machine and make it go in PHY_FORCING state instead. */ if (!status->link) - netif_carrier_off(ds->ports[port].slave); + netif_carrier_off(dsa_to_port(ds, port)->slave); status->duplex = DUPLEX_FULL; } else { status->link = true; @@ -728,7 +728,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = ds->ports[port].cpu_dp->master; + struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct ethtool_wolinfo pwol = { }; @@ -752,9 +752,9 @@ static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = ds->ports[port].cpu_dp->master; + struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); - s8 cpu_port = ds->ports[port].cpu_dp->index; + s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; struct ethtool_wolinfo pwol = { }; if (p->ethtool_ops->get_wol) diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c index d264776a95a3..f3f0c3f07391 100644 --- a/drivers/net/dsa/bcm_sf2_cfp.c +++ b/drivers/net/dsa/bcm_sf2_cfp.c @@ -821,7 +821,7 @@ static int bcm_sf2_cfp_rule_insert(struct dsa_switch *ds, int port, struct ethtool_rx_flow_spec *fs) { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); - s8 cpu_port = ds->ports[port].cpu_dp->index; + s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; __u64 ring_cookie = fs->ring_cookie; unsigned int queue_num, port_num; int ret; @@ -1049,7 +1049,7 @@ static int bcm_sf2_cfp_rule_get_all(struct bcm_sf2_priv *priv, int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc, u32 *rule_locs) { - struct net_device *p = ds->ports[port].cpu_dp->master; + struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; @@ -1092,7 +1092,7 @@ int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, int bcm_sf2_set_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc) { - struct net_device *p = ds->ports[port].cpu_dp->master; + struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 1d8d36de4d20..a91293e47a57 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -862,7 +862,7 @@ mt7530_port_set_vlan_unaware(struct dsa_switch *ds, int port) for (i = 0; i < MT7530_NUM_PORTS; i++) { if (dsa_is_user_port(ds, i) && - dsa_port_is_vlan_filtering(&ds->ports[i])) { + dsa_port_is_vlan_filtering(dsa_to_port(ds, i))) { all_user_ports_removed = false; break; } @@ -922,7 +922,7 @@ mt7530_port_bridge_leave(struct dsa_switch *ds, int port, * other port is still a VLAN-aware port. */ if (dsa_is_user_port(ds, i) && i != port && - !dsa_port_is_vlan_filtering(&ds->ports[i])) { + !dsa_port_is_vlan_filtering(dsa_to_port(ds, i))) { if (dsa_to_port(ds, i)->bridge_dev != bridge) continue; if (priv->ports[i].enable) @@ -1165,7 +1165,7 @@ mt7530_port_vlan_add(struct dsa_switch *ds, int port, /* The port is kept as VLAN-unaware if bridge with vlan_filtering not * being set. */ - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) return; mutex_lock(&priv->reg_mutex); @@ -1196,7 +1196,7 @@ mt7530_port_vlan_del(struct dsa_switch *ds, int port, /* The port is kept as VLAN-unaware if bridge with vlan_filtering not * being set. */ - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) return 0; mutex_lock(&priv->reg_mutex); @@ -1252,7 +1252,7 @@ mt7530_setup(struct dsa_switch *ds) * controller also is the container for two GMACs nodes representing * as two netdev instances. */ - dn = ds->ports[MT7530_CPU_PORT].master->dev.of_node->parent; + dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent; if (priv->id == ID_MT7530) { priv->ethernet = syscon_node_to_regmap(dn); @@ -1340,7 +1340,7 @@ mt7530_setup(struct dsa_switch *ds) if (!dsa_is_unused_port(ds, 5)) { priv->p5_intf_sel = P5_INTF_SEL_GMAC5; - interface = of_get_phy_mode(ds->ports[5].dn); + interface = of_get_phy_mode(dsa_to_port(ds, 5)->dn); } else { /* Scan the ethernet nodes. look for GMAC1, lookup used phy */ for_each_child_of_node(dn, mac_np) { diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 6787d560e9e3..d67deec77452 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1075,7 +1075,7 @@ static u16 mv88e6xxx_port_vlan(struct mv88e6xxx_chip *chip, int dev, int port) if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) return mv88e6xxx_port_mask(chip); - br = ds->ports[port].bridge_dev; + br = dsa_to_port(ds, port)->bridge_dev; pvlan = 0; /* Frames from user ports can egress any local DSA links and CPU ports, @@ -1402,7 +1402,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port, if (dsa_is_dsa_port(ds, i) || dsa_is_cpu_port(ds, i)) continue; - if (!ds->ports[i].slave) + if (!dsa_to_port(ds, i)->slave) continue; if (vlan.member[i] == @@ -1410,7 +1410,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port, continue; if (dsa_to_port(ds, i)->bridge_dev == - ds->ports[port].bridge_dev) + dsa_to_port(ds, port)->bridge_dev) break; /* same bridge, check next VLAN */ if (!dsa_to_port(ds, i)->bridge_dev) @@ -2042,7 +2042,7 @@ static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip, /* Remap the Port VLAN of each local bridge group member */ for (port = 0; port < mv88e6xxx_num_ports(chip); ++port) { - if (chip->ds->ports[port].bridge_dev == br) { + if (dsa_to_port(chip->ds, port)->bridge_dev == br) { err = mv88e6xxx_port_vlan_map(chip, port); if (err) return err; @@ -2059,7 +2059,7 @@ static int mv88e6xxx_bridge_map(struct mv88e6xxx_chip *chip, break; for (port = 0; port < ds->num_ports; ++port) { - if (ds->ports[port].bridge_dev == br) { + if (dsa_to_port(ds, port)->bridge_dev == br) { err = mv88e6xxx_pvt_map(chip, dev, port); if (err) return err; diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index b00274caae4f..71e44c8763b8 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -661,7 +661,7 @@ qca8k_setup(struct dsa_switch *ds) return ret; /* Initialize CPU port pad mode (xMII type, delays...) */ - phy_mode = of_get_phy_mode(ds->ports[QCA8K_CPU_PORT].dn); + phy_mode = of_get_phy_mode(dsa_to_port(ds, QCA8K_CPU_PORT)->dn); if (phy_mode < 0) { pr_err("Can't find phy-mode for master device\n"); return phy_mode; diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 2ffe642cf54b..4b0cb779f187 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1058,7 +1058,7 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, l2_lookup.vlanid = vid; l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (dsa_port_is_vlan_filtering(&ds->ports[port])) { + if (dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) { l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.mask_iotag = BIT(0); } else { @@ -1121,7 +1121,7 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, l2_lookup.vlanid = vid; l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (dsa_port_is_vlan_filtering(&ds->ports[port])) { + if (dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) { l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.mask_iotag = BIT(0); } else { @@ -1167,7 +1167,7 @@ static int sja1105_fdb_add(struct dsa_switch *ds, int port, * for what gets printed in 'bridge fdb show'. In the case of zero, * no VID gets printed at all. */ - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) vid = 0; return priv->info->fdb_add_cmd(ds, port, addr, vid); @@ -1178,7 +1178,7 @@ static int sja1105_fdb_del(struct dsa_switch *ds, int port, { struct sja1105_private *priv = ds->priv; - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) vid = 0; return priv->info->fdb_del_cmd(ds, port, addr, vid); @@ -1217,7 +1217,7 @@ static int sja1105_fdb_dump(struct dsa_switch *ds, int port, u64_to_ether_addr(l2_lookup.macaddr, macaddr); /* We need to hide the dsa_8021q VLANs from the user. */ - if (!dsa_port_is_vlan_filtering(&ds->ports[port])) + if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) l2_lookup.vlanid = 0; cb(macaddr, l2_lookup.vlanid, l2_lookup.lockeds, data); } @@ -1704,7 +1704,7 @@ static int sja1105_port_enable(struct dsa_switch *ds, int port, if (!dsa_is_user_port(ds, port)) return 0; - slave = ds->ports[port].slave; + slave = dsa_to_port(ds, port)->slave; slave->features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; @@ -1736,7 +1736,7 @@ static int sja1105_mgmt_xmit(struct dsa_switch *ds, int port, int slot, } /* Transfer skb to the host port. */ - dsa_enqueue_skb(skb, ds->ports[port].slave); + dsa_enqueue_skb(skb, dsa_to_port(ds, port)->slave); /* Wait until the switch has processed the frame */ do { @@ -2061,8 +2061,8 @@ static int sja1105_probe(struct spi_device *spi) for (i = 0; i < SJA1105_NUM_PORTS; i++) { struct sja1105_port *sp = &priv->ports[i]; - ds->ports[i].priv = sp; - sp->dp = &ds->ports[i]; + dsa_to_port(ds, i)->priv = sp; + sp->dp = dsa_to_port(ds, i); sp->data = tagger_data; } mutex_init(&priv->ptp_data.lock); diff --git a/include/net/dsa.h b/include/net/dsa.h index 8c3ea0530f65..2e4fe2f8962b 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -278,7 +278,7 @@ struct dsa_switch { struct dsa_port ports[]; }; -static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) +static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) { return &ds->ports[p]; } diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 43120a3fb06f..a5545762f5e7 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -246,7 +246,9 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, #ifdef CONFIG_PM_SLEEP static bool dsa_is_port_initialized(struct dsa_switch *ds, int p) { - return dsa_is_user_port(ds, p) && ds->ports[p].slave; + const struct dsa_port *dp = dsa_to_port(ds, p); + + return dp->type == DSA_PORT_TYPE_USER && dp->slave; } int dsa_switch_suspend(struct dsa_switch *ds) @@ -258,7 +260,7 @@ int dsa_switch_suspend(struct dsa_switch *ds) if (!dsa_is_port_initialized(ds, i)) continue; - ret = dsa_slave_suspend(ds->ports[i].slave); + ret = dsa_slave_suspend(dsa_to_port(ds, i)->slave); if (ret) return ret; } @@ -285,7 +287,7 @@ int dsa_switch_resume(struct dsa_switch *ds) if (!dsa_is_port_initialized(ds, i)) continue; - ret = dsa_slave_resume(ds->ports[i].slave); + ret = dsa_slave_resume(dsa_to_port(ds, i)->slave); if (ret) return ret; } diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 716d265ba8ca..1716535167ee 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -708,7 +708,7 @@ static int dsa_switch_parse_ports_of(struct dsa_switch *ds, goto out_put_node; } - dp = &ds->ports[reg]; + dp = dsa_to_port(ds, reg); err = dsa_port_parse_of(dp, port); if (err) @@ -787,7 +787,7 @@ static int dsa_switch_parse_ports(struct dsa_switch *ds, for (i = 0; i < DSA_MAX_PORTS; i++) { name = cd->port_names[i]; dev = cd->netdev[i]; - dp = &ds->ports[i]; + dp = dsa_to_port(ds, i); if (!name) continue; diff --git a/net/dsa/switch.c b/net/dsa/switch.c index 6a9607518823..df4abe897ed6 100644 --- a/net/dsa/switch.c +++ b/net/dsa/switch.c @@ -20,7 +20,7 @@ static unsigned int dsa_switch_fastest_ageing_time(struct dsa_switch *ds, int i; for (i = 0; i < ds->num_ports; ++i) { - struct dsa_port *dp = &ds->ports[i]; + struct dsa_port *dp = dsa_to_port(ds, i); if (dp->ageing_time && dp->ageing_time < ageing_time) ageing_time = dp->ageing_time; @@ -98,7 +98,7 @@ static int dsa_switch_bridge_leave(struct dsa_switch *ds, if (unset_vlan_filtering) { struct switchdev_trans trans = {0}; - err = dsa_port_vlan_filtering(&ds->ports[info->port], + err = dsa_port_vlan_filtering(dsa_to_port(ds, info->port), false, &trans); if (err && err != EOPNOTSUPP) return err; diff --git a/net/dsa/tag_8021q.c b/net/dsa/tag_8021q.c index 9c1cc2482b68..bf91fc55fc44 100644 --- a/net/dsa/tag_8021q.c +++ b/net/dsa/tag_8021q.c @@ -103,7 +103,7 @@ static int dsa_8021q_restore_pvid(struct dsa_switch *ds, int port) if (!dsa_is_user_port(ds, port)) return 0; - slave = ds->ports[port].slave; + slave = dsa_to_port(ds, port)->slave; err = br_vlan_get_pvid(slave, &pvid); if (err < 0) @@ -118,7 +118,7 @@ static int dsa_8021q_restore_pvid(struct dsa_switch *ds, int port) return err; } - return dsa_port_vid_add(&ds->ports[port], pvid, vinfo.flags); + return dsa_port_vid_add(dsa_to_port(ds, port), pvid, vinfo.flags); } /* If @enabled is true, installs @vid with @flags into the switch port's HW @@ -130,7 +130,7 @@ static int dsa_8021q_restore_pvid(struct dsa_switch *ds, int port) static int dsa_8021q_vid_apply(struct dsa_switch *ds, int port, u16 vid, u16 flags, bool enabled) { - struct dsa_port *dp = &ds->ports[port]; + struct dsa_port *dp = dsa_to_port(ds, port); struct bridge_vlan_info vinfo; int err;