From 72cdb34ae8fc0784d18539bac4552c863f3e910a Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 30 Mar 2014 09:15:11 +0000 Subject: [PATCH] kernel: rtl8306: fix max pvid & remove port isolation - hide port pvid - vlan index relation - switch initialises with vlans disabled so port isolation is not used - remove special treatment of cpu port Signed-off-by: Antonios Vamporakis SVN-Revision: 40304 --- .../generic/files/drivers/net/phy/rtl8306.c | 113 ++++++++++++------ 1 file changed, 76 insertions(+), 37 deletions(-) diff --git a/target/linux/generic/files/drivers/net/phy/rtl8306.c b/target/linux/generic/files/drivers/net/phy/rtl8306.c index 1f27065a33..33dbf969c1 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8306.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8306.c @@ -359,6 +359,31 @@ rtl_set(struct switch_dev *dev, enum rtl_regidx s, unsigned int val) return rtl_rmw(dev, r->page, r->phy, r->reg, mask, val); } +static void +rtl_fix_pvids(struct switch_dev *dev) +{ + unsigned int port, vlan, mask; + + for (port = 0; port < RTL8306_NUM_PORTS; port++) + { + /* skip tagged ports */ + if (rtl_get(dev, RTL_PORT_REG(port, TAG_INSERT)) != 1) + continue; + + for (vlan = 0; vlan < RTL8306_NUM_VLANS; vlan++) + { + mask = rtl_get(dev, RTL_VLAN_REG(vlan, PORTMASK)); + /* skip non-members */ + if (!(mask & (1 << port))) + continue; + + rtl_set(dev, RTL_PORT_REG(port, PVID), vlan); + /* next port */ + break; + } + } +} + static void rtl_phy_save(struct switch_dev *dev, int port, struct rtl_phyregs *regs) { @@ -440,7 +465,6 @@ static void rtl_hw_init(struct switch_dev *dev) { struct rtl_priv *priv = to_rtl(dev); - int cpu_mask = 1 << dev->cpu_port; int i; rtl_set(dev, RTL_REG_VLAN_ENABLE, 0); @@ -466,21 +490,19 @@ rtl_hw_init(struct switch_dev *dev) rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), 0); } +#ifdef DEBUG /* default to port isolation */ for (i = 0; i < RTL8306_NUM_PORTS; i++) { - unsigned long mask; - - if ((1 << i) == cpu_mask) - mask = ((1 << RTL8306_NUM_PORTS) - 1) & ~cpu_mask; /* all bits set */ - else - mask = cpu_mask | (1 << i); - - rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), mask); + if (i != dev->cpu_port) + rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), (1 << dev->cpu_port) | (1 << i)); rtl_set(dev, RTL_PORT_REG(i, PVID), i); rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1); rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), 1); rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), 3); } +#endif + rtl_fix_pvids(dev); + rtl_hw_apply(dev); } @@ -565,6 +587,7 @@ rtl_attr_get_int(struct switch_dev *dev, const struct switch_attr *attr, struct return 0; } +#ifdef DEBUG static int rtl_attr_set_port_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { @@ -581,6 +604,39 @@ rtl_attr_get_port_int(struct switch_dev *dev, const struct switch_attr *attr, st return -EINVAL; return rtl_attr_get_int(dev, attr, val); } +#endif + +static int +rtl_attr_set_port_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) +{ + unsigned int vlan; + + if (val->port_vlan >= RTL8306_NUM_PORTS) + return -EINVAL; + + for (vlan = 0; vlan < RTL8306_NUM_VLANS; vlan++) { + if (rtl_get(dev, RTL_VLAN_REG(vlan, VID)) == val->value.i) { + rtl_set(dev, RTL_PORT_REG(val->port_vlan, PVID), vlan); + break; + } + } + + return 0; +} + +static int +rtl_attr_get_port_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) +{ + unsigned int vlan; + + if (val->port_vlan >= RTL8306_NUM_PORTS) + return -EINVAL; + + vlan = rtl_get(dev, RTL_PORT_REG(val->port_vlan, PVID)); + val->value.i = rtl_get(dev, RTL_VLAN_REG(vlan, VID)); + + return 0; +} static int rtl_get_port_link(struct switch_dev *dev, int port, struct switch_port_link *link) @@ -635,7 +691,7 @@ rtl_get_ports(struct switch_dev *dev, struct switch_val *val) port = &val->value.ports[val->len]; port->id = i; - if (rtl_get(dev, RTL_PORT_REG(i, TAG_INSERT)) == 2 || i == dev->cpu_port) + if (rtl_get(dev, RTL_PORT_REG(i, TAG_INSERT)) == 2) port->flags = (1 << SWITCH_PORT_FLAG_TAGGED); val->len++; } @@ -662,13 +718,15 @@ rtl_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct swit if (i > 3) rtl_phy_save(dev, val->port_vlan, &port); rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1); - rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), (en ? (i == dev->cpu_port ? 0 : 1) : 1)); - rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), (en ? (i == dev->cpu_port ? 2 : 1) : 3)); + rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), 1); + rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), (en ? 1 : 3)); if (i > 3) rtl_phy_restore(dev, val->port_vlan, &port); } rtl_set(dev, RTL_REG_VLAN_ENABLE, en); + rtl_fix_pvids(dev); + return 0; } @@ -683,7 +741,6 @@ static int rtl_set_ports(struct switch_dev *dev, struct switch_val *val) { unsigned int mask = 0; - unsigned int oldmask; int i; for(i = 0; i < val->len; i++) @@ -693,37 +750,17 @@ rtl_set_ports(struct switch_dev *dev, struct switch_val *val) mask |= (1 << port->id); - if (port->id == dev->cpu_port) - continue; - - if ((i == dev->cpu_port) || - (port->flags & (1 << SWITCH_PORT_FLAG_TAGGED))) + if (port->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) tagged = true; - /* fix up PVIDs for added ports */ - if (!tagged) - rtl_set(dev, RTL_PORT_REG(port->id, PVID), val->port_vlan); - rtl_set(dev, RTL_PORT_REG(port->id, NON_PVID_DISCARD), (tagged ? 0 : 1)); rtl_set(dev, RTL_PORT_REG(port->id, VID_INSERT), (tagged ? 0 : 1)); rtl_set(dev, RTL_PORT_REG(port->id, TAG_INSERT), (tagged ? 2 : 1)); } - oldmask = rtl_get(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK)); rtl_set(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK), mask); - /* fix up PVIDs for removed ports, default to last vlan */ - oldmask &= ~mask; - for (i = 0; i < RTL8306_NUM_PORTS; i++) { - if (!(oldmask & (1 << i))) - continue; - - if (i == dev->cpu_port) - continue; - - if (rtl_get(dev, RTL_PORT_REG(i, PVID)) == val->port_vlan) - rtl_set(dev, RTL_PORT_REG(i, PVID), dev->vlans - 1); - } + rtl_fix_pvids(dev); return 0; } @@ -794,10 +831,12 @@ static struct switch_attr rtl_globals[] = { }; static struct switch_attr rtl_port[] = { { - RTL_PORT_REGATTR(PVID), + .type = SWITCH_TYPE_INT, + .set = rtl_attr_set_port_pvid, + .get = rtl_attr_get_port_pvid, .name = "pvid", .description = "Port VLAN ID", - .max = RTL8306_NUM_VLANS - 1, + .max = 4095, }, #ifdef DEBUG { -- 2.25.1