diff options
Diffstat (limited to 'drivers/net/dsa/b53')
-rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 191 | ||||
-rw-r--r-- | drivers/net/dsa/b53/b53_priv.h | 14 | ||||
-rw-r--r-- | drivers/net/dsa/b53/b53_serdes.h | 4 | ||||
-rw-r--r-- | drivers/net/dsa/b53/b53_srab.c | 8 |
4 files changed, 183 insertions, 34 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 907af62846ba..449a22172e07 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -342,6 +342,13 @@ static void b53_set_forwarding(struct b53_device *dev, int enable) b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, &mgmt); mgmt |= B53_MII_DUMB_FWDG_EN; b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_CTRL, mgmt); + + /* Look at B53_UC_FWD_EN and B53_MC_FWD_EN to decide whether + * frames should be flooded or not. + */ + b53_read8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, &mgmt); + mgmt |= B53_UC_FWD_EN | B53_MC_FWD_EN | B53_IPMC_FWD_EN; + b53_write8(dev, B53_CTRL_PAGE, B53_IP_MULTICAST_CTRL, mgmt); } static void b53_enable_vlan(struct b53_device *dev, bool enable, @@ -364,8 +371,6 @@ static void b53_enable_vlan(struct b53_device *dev, bool enable, b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5, &vc5); } - mgmt &= ~SM_SW_FWD_MODE; - if (enable) { vc0 |= VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID; vc1 |= VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN; @@ -510,10 +515,17 @@ EXPORT_SYMBOL(b53_imp_vlan_setup); int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy) { struct b53_device *dev = ds->priv; - unsigned int cpu_port = ds->ports[port].cpu_dp->index; + unsigned int cpu_port; int ret = 0; u16 pvlan; + if (!dsa_is_user_port(ds, port)) + return 0; + + cpu_port = dsa_to_port(ds, port)->cpu_dp->index; + + b53_br_egress_floods(ds, port, true, true); + if (dev->ops->irq_enable) ret = dev->ops->irq_enable(dev, port); if (ret) @@ -559,9 +571,8 @@ EXPORT_SYMBOL(b53_disable_port); void b53_brcm_hdr_setup(struct dsa_switch *ds, int port) { - bool tag_en = !(ds->ops->get_tag_protocol(ds, port) == - DSA_TAG_PROTO_NONE); struct b53_device *dev = ds->priv; + bool tag_en = !(dev->tag_protocol == DSA_TAG_PROTO_NONE); u8 hdr_ctl, val; u16 reg; @@ -581,6 +592,22 @@ void b53_brcm_hdr_setup(struct dsa_switch *ds, int port) break; } + /* Enable management mode if tagging is requested */ + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &hdr_ctl); + if (tag_en) + hdr_ctl |= SM_SW_FWD_MODE; + else + hdr_ctl &= ~SM_SW_FWD_MODE; + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, hdr_ctl); + + /* Configure the appropriate IMP port */ + b53_read8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, &hdr_ctl); + if (port == 8) + hdr_ctl |= GC_FRM_MGMT_PORT_MII; + else if (port == 5) + hdr_ctl |= GC_FRM_MGMT_PORT_M; + b53_write8(dev, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, hdr_ctl); + /* Enable Broadcom tags for IMP port */ b53_read8(dev, B53_MGMT_PAGE, B53_BRCM_HDR, &hdr_ctl); if (tag_en) @@ -629,6 +656,8 @@ static void b53_enable_cpu_port(struct b53_device *dev, int port) b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), port_ctrl); b53_brcm_hdr_setup(dev->ds, port); + + b53_br_egress_floods(dev->ds, port, true, true); } static void b53_enable_mib(struct b53_device *dev) @@ -664,7 +693,7 @@ int b53_configure_vlan(struct dsa_switch *ds) b53_do_vlan_op(dev, VTA_CMD_CLEAR); } - b53_enable_vlan(dev, false, ds->vlan_filtering); + b53_enable_vlan(dev, dev->vlan_enabled, ds->vlan_filtering); b53_for_each_port(dev, i) b53_write16(dev, B53_VLAN_PAGE, @@ -1491,11 +1520,25 @@ static int b53_arl_op(struct b53_device *dev, int op, int port, idx = 1; } - memset(&ent, 0, sizeof(ent)); - ent.port = port; + /* For multicast address, the port is a bitmask and the validity + * is determined by having at least one port being still active + */ + if (!is_multicast_ether_addr(addr)) { + ent.port = port; + ent.is_valid = is_valid; + } else { + if (is_valid) + ent.port |= BIT(port); + else + ent.port &= ~BIT(port); + + ent.is_valid = !!(ent.port); + } + ent.is_valid = is_valid; ent.vid = vid; ent.is_static = true; + ent.is_age = false; memcpy(ent.mac, addr, ETH_ALEN); b53_arl_from_entry(&mac_vid, &fwd_entry, &ent); @@ -1614,10 +1657,51 @@ int b53_fdb_dump(struct dsa_switch *ds, int port, } EXPORT_SYMBOL(b53_fdb_dump); +int b53_mdb_prepare(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct b53_device *priv = ds->priv; + + /* 5325 and 5365 require some more massaging, but could + * be supported eventually + */ + if (is5325(priv) || is5365(priv)) + return -EOPNOTSUPP; + + return 0; +} +EXPORT_SYMBOL(b53_mdb_prepare); + +void b53_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct b53_device *priv = ds->priv; + int ret; + + ret = b53_arl_op(priv, 0, port, mdb->addr, mdb->vid, true); + if (ret) + dev_err(ds->dev, "failed to add MDB entry\n"); +} +EXPORT_SYMBOL(b53_mdb_add); + +int b53_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct b53_device *priv = ds->priv; + int ret; + + ret = b53_arl_op(priv, 0, port, mdb->addr, mdb->vid, false); + if (ret) + dev_err(ds->dev, "failed to delete MDB entry\n"); + + return ret; +} +EXPORT_SYMBOL(b53_mdb_del); + 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; @@ -1663,7 +1747,7 @@ 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; @@ -1748,6 +1832,38 @@ void b53_br_fast_age(struct dsa_switch *ds, int port) } EXPORT_SYMBOL(b53_br_fast_age); +int b53_br_egress_floods(struct dsa_switch *ds, int port, + bool unicast, bool multicast) +{ + struct b53_device *dev = ds->priv; + u16 uc, mc; + + b53_read16(dev, B53_CTRL_PAGE, B53_UC_FLOOD_MASK, &uc); + if (unicast) + uc |= BIT(port); + else + uc &= ~BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_UC_FLOOD_MASK, uc); + + b53_read16(dev, B53_CTRL_PAGE, B53_MC_FLOOD_MASK, &mc); + if (multicast) + mc |= BIT(port); + else + mc &= ~BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_MC_FLOOD_MASK, mc); + + b53_read16(dev, B53_CTRL_PAGE, B53_IPMC_FLOOD_MASK, &mc); + if (multicast) + mc |= BIT(port); + else + mc &= ~BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_IPMC_FLOOD_MASK, mc); + + return 0; + +} +EXPORT_SYMBOL(b53_br_egress_floods); + static bool b53_possible_cpu_port(struct dsa_switch *ds, int port) { /* Broadcom switches will accept enabling Broadcom tags on the @@ -1763,36 +1879,57 @@ static bool b53_possible_cpu_port(struct dsa_switch *ds, int port) return false; } -static bool b53_can_enable_brcm_tags(struct dsa_switch *ds, int port) +static bool b53_can_enable_brcm_tags(struct dsa_switch *ds, int port, + enum dsa_tag_protocol tag_protocol) { bool ret = b53_possible_cpu_port(ds, port); - if (!ret) + if (!ret) { dev_warn(ds->dev, "Port %d is not Broadcom tag capable\n", port); + return ret; + } + + switch (tag_protocol) { + case DSA_TAG_PROTO_BRCM: + case DSA_TAG_PROTO_BRCM_PREPEND: + dev_warn(ds->dev, + "Port %d is stacked to Broadcom tag switch\n", port); + ret = false; + break; + default: + ret = true; + break; + } + return ret; } -enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port) +enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port, + enum dsa_tag_protocol mprot) { struct b53_device *dev = ds->priv; /* Older models (5325, 5365) support a different tag format that we do - * not support in net/dsa/tag_brcm.c yet. 539x and 531x5 require managed - * mode to be turned on which means we need to specifically manage ARL - * misses on multicast addresses (TBD). + * not support in net/dsa/tag_brcm.c yet. */ - if (is5325(dev) || is5365(dev) || is539x(dev) || is531x5(dev) || - !b53_can_enable_brcm_tags(ds, port)) - return DSA_TAG_PROTO_NONE; + if (is5325(dev) || is5365(dev) || + !b53_can_enable_brcm_tags(ds, port, mprot)) { + dev->tag_protocol = DSA_TAG_PROTO_NONE; + goto out; + } /* Broadcom BCM58xx chips have a flow accelerator on Port 8 * which requires us to use the prepended Broadcom tag type */ - if (dev->chip_id == BCM58XX_DEVICE_ID && port == B53_CPU_PORT) - return DSA_TAG_PROTO_BRCM_PREPEND; + if (dev->chip_id == BCM58XX_DEVICE_ID && port == B53_CPU_PORT) { + dev->tag_protocol = DSA_TAG_PROTO_BRCM_PREPEND; + goto out; + } - return DSA_TAG_PROTO_BRCM; + dev->tag_protocol = DSA_TAG_PROTO_BRCM; +out: + return dev->tag_protocol; } EXPORT_SYMBOL(b53_get_tag_protocol); @@ -1808,7 +1945,6 @@ int b53_mirror_add(struct dsa_switch *ds, int port, loc = B53_EG_MIR_CTL; b53_read16(dev, B53_MGMT_PAGE, loc, ®); - reg &= ~MIRROR_MASK; reg |= BIT(port); b53_write16(dev, B53_MGMT_PAGE, loc, reg); @@ -1948,6 +2084,7 @@ static const struct dsa_switch_ops b53_switch_ops = { .port_bridge_leave = b53_br_leave, .port_stp_state_set = b53_br_set_stp_state, .port_fast_age = b53_br_fast_age, + .port_egress_floods = b53_br_egress_floods, .port_vlan_filtering = b53_vlan_filtering, .port_vlan_prepare = b53_vlan_prepare, .port_vlan_add = b53_vlan_add, @@ -1957,6 +2094,9 @@ static const struct dsa_switch_ops b53_switch_ops = { .port_fdb_del = b53_fdb_del, .port_mirror_add = b53_mirror_add, .port_mirror_del = b53_mirror_del, + .port_mdb_prepare = b53_mdb_prepare, + .port_mdb_add = b53_mdb_add, + .port_mdb_del = b53_mdb_del, }; struct b53_chip_data { @@ -2304,10 +2444,13 @@ struct b53_device *b53_switch_alloc(struct device *base, struct dsa_switch *ds; struct b53_device *dev; - ds = dsa_switch_alloc(base, DSA_MAX_PORTS); + ds = devm_kzalloc(base, sizeof(*ds), GFP_KERNEL); if (!ds) return NULL; + ds->dev = base; + ds->num_ports = DSA_MAX_PORTS; + dev = devm_kzalloc(base, sizeof(*dev), GFP_KERNEL); if (!dev) return NULL; diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index f25bc80c4ffc..3c30f3a7eb29 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -118,6 +118,7 @@ struct b53_device { u8 jumbo_size_reg; int reset_gpio; u8 num_arl_entries; + enum dsa_tag_protocol tag_protocol; /* used ports mask */ u16 enabled_ports; @@ -250,7 +251,7 @@ b53_build_op(write48, u64); b53_build_op(write64, u64); struct b53_arl_entry { - u8 port; + u16 port; u8 mac[ETH_ALEN]; u16 vid; u8 is_valid:1; @@ -319,6 +320,8 @@ int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge); void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge); void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); void b53_br_fast_age(struct dsa_switch *ds, int port); +int b53_br_egress_floods(struct dsa_switch *ds, int port, + bool unicast, bool multicast); void b53_port_event(struct dsa_switch *ds, int port); void b53_phylink_validate(struct dsa_switch *ds, int port, unsigned long *supported, @@ -349,9 +352,16 @@ int b53_fdb_del(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int b53_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb, void *data); +int b53_mdb_prepare(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb); +void b53_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb); +int b53_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb); int b53_mirror_add(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror, bool ingress); -enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port); +enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port, + enum dsa_tag_protocol mprot); void b53_mirror_del(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror); int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); diff --git a/drivers/net/dsa/b53/b53_serdes.h b/drivers/net/dsa/b53/b53_serdes.h index 3bb4f91aec9e..55d280fe38e4 100644 --- a/drivers/net/dsa/b53/b53_serdes.h +++ b/drivers/net/dsa/b53/b53_serdes.h @@ -1,5 +1,5 @@ -/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause - * +/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ +/* * Northstar Plus switch SerDes/SGMII PHY definitions * * Copyright (C) 2018 Florian Fainelli <f.fainelli@gmail.com> diff --git a/drivers/net/dsa/b53/b53_srab.c b/drivers/net/dsa/b53/b53_srab.c index d9c56a779c08..0a1be5259be0 100644 --- a/drivers/net/dsa/b53/b53_srab.c +++ b/drivers/net/dsa/b53/b53_srab.c @@ -536,7 +536,6 @@ static void b53_srab_mux_init(struct platform_device *pdev) struct b53_device *dev = platform_get_drvdata(pdev); struct b53_srab_priv *priv = dev->priv; struct b53_srab_port_priv *p; - struct resource *r; unsigned int port; u32 reg, off = 0; int ret; @@ -544,8 +543,7 @@ static void b53_srab_mux_init(struct platform_device *pdev) if (dev->pdata && dev->pdata->chip_id != BCM58XX_DEVICE_ID) return; - r = platform_get_resource(pdev, IORESOURCE_MEM, 1); - priv->mux_config = devm_ioremap_resource(&pdev->dev, r); + priv->mux_config = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(priv->mux_config)) return; @@ -593,7 +591,6 @@ static int b53_srab_probe(struct platform_device *pdev) const struct of_device_id *of_id = NULL; struct b53_srab_priv *priv; struct b53_device *dev; - struct resource *r; if (dn) of_id = of_match_node(b53_srab_of_match, dn); @@ -610,8 +607,7 @@ static int b53_srab_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->regs = devm_ioremap_resource(&pdev->dev, r); + priv->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->regs)) return -ENOMEM; |