From: Gabor Juhos Date: Sat, 26 Jun 2010 19:54:22 +0000 (+0000) Subject: backfire: generic: rtl8366: update vlan handling code for rtl8366s (backport of r21922) X-Git-Tag: backfire_10.03.1~704 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a72d8fb81c97dcfb16e4588986bb5a59f7df973c;p=openwrt%2Fsvn-archive%2Fopenwrt.git backfire: generic: rtl8366: update vlan handling code for rtl8366s (backport of r21922) SVN-Revision: 21941 --- diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c index 3bb0b549db..4e758e97c9 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c @@ -630,8 +630,7 @@ static int rtl8366s_set_vlan_mc(struct rtl8366_smi *smi, u32 index, return 0; } -static int rtl8366s_get_port_vlan_index(struct rtl8366_smi *smi, int port, - int *val) +static int rtl8366s_get_mc_index(struct rtl8366_smi *smi, int port, int *val) { u32 data; int err; @@ -648,17 +647,68 @@ static int rtl8366s_get_port_vlan_index(struct rtl8366_smi *smi, int port, RTL8366S_PORT_VLAN_CTRL_MASK; return 0; +} + +static int rtl8366s_set_mc_index(struct rtl8366_smi *smi, int port, int index) +{ + if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS) + return -EINVAL; + + return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port), + RTL8366S_PORT_VLAN_CTRL_MASK << + RTL8366S_PORT_VLAN_CTRL_SHIFT(port), + (index & RTL8366S_PORT_VLAN_CTRL_MASK) << + RTL8366S_PORT_VLAN_CTRL_SHIFT(port)); +} + +static int rtl8366s_set_vlan(struct rtl8366_smi *smi, int vid, u32 member, + u32 untag, u32 fid) +{ + struct rtl8366_vlan_4k vlan4k; + int err; + int i; + + /* Update the 4K table */ + err = rtl8366s_get_vlan_4k(smi, vid, &vlan4k); + if (err) + return err; + + vlan4k.member = member; + vlan4k.untag = untag; + vlan4k.fid = fid; + err = rtl8366s_set_vlan_4k(smi, &vlan4k); + if (err) + return err; + + /* Try to find an existing MC entry for this VID */ + for (i = 0; i < RTL8366_NUM_VLANS; i++) { + struct rtl8366_vlan_mc vlanmc; + + err = rtl8366s_get_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + if (vid == vlanmc.vid) { + /* update the MC entry */ + vlanmc.member = member; + vlanmc.untag = untag; + vlanmc.fid = fid; + + err = rtl8366s_set_vlan_mc(smi, i, &vlanmc); + break; + } + } + + return err; } -static int rtl8366s_get_vlan_port_pvid(struct rtl8366_smi *smi, int port, - int *val) +static int rtl8366s_get_pvid(struct rtl8366_smi *smi, int port, int *val) { struct rtl8366_vlan_mc vlanmc; int err; int index; - err = rtl8366s_get_port_vlan_index(smi, port, &index); + err = rtl8366s_get_mc_index(smi, port, &index); if (err) return err; @@ -670,87 +720,111 @@ static int rtl8366s_get_vlan_port_pvid(struct rtl8366_smi *smi, int port, return 0; } -static int rtl8366s_set_port_vlan_index(struct rtl8366_smi *smi, int port, - int index) +static int rtl8366s_mc_is_used(struct rtl8366_smi *smi, int mc_index, + int *used) { - if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS) - return -EINVAL; + int err; + int i; - return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port), - RTL8366S_PORT_VLAN_CTRL_MASK << - RTL8366S_PORT_VLAN_CTRL_SHIFT(port), - (index & RTL8366S_PORT_VLAN_CTRL_MASK) << - RTL8366S_PORT_VLAN_CTRL_SHIFT(port)); + *used = 0; + for (i = 0; i < RTL8366_NUM_PORTS; i++) { + int index = 0; + + err = rtl8366s_get_mc_index(smi, i, &index); + if (err) + return err; + + if (mc_index == index) { + *used = 1; + break; + } + } + + return 0; } -static int rtl8366s_set_vlan_port_pvid(struct rtl8366_smi *smi, int port, int val) +static int rtl8366s_set_pvid(struct rtl8366_smi *smi, unsigned port, + unsigned vid) { - int i; struct rtl8366_vlan_mc vlanmc; struct rtl8366_vlan_4k vlan4k; + int err; + int i; - if (port >= RTL8366_NUM_PORTS || val >= RTL8366_NUM_VIDS) - return -EINVAL; - - /* Updating the 4K entry; lookup it and change the port member set */ - rtl8366s_get_vlan_4k(smi, val, &vlan4k); - vlan4k.member |= ((1 << port) | RTL8366_PORT_CPU); - vlan4k.untag = RTL8366_PORT_ALL_BUT_CPU; - rtl8366s_set_vlan_4k(smi, &vlan4k); - - /* - * For the 16 entries more work needs to be done. First see if such - * VID is already there and change it - */ - for (i = 0; i < RTL8366_NUM_VLANS; ++i) { - rtl8366s_get_vlan_mc(smi, i, &vlanmc); - - /* Try to find an existing vid and update port member set */ - if (val == vlanmc.vid) { - vlanmc.member |= ((1 << port) | RTL8366_PORT_CPU); - rtl8366s_set_vlan_mc(smi, i, &vlanmc); + /* Try to find an existing MC entry for this VID */ + for (i = 0; i < RTL8366_NUM_VLANS; i++) { + err = rtl8366s_get_vlan_mc(smi, i, &vlanmc); + if (err) + return err; - /* Now update PVID register settings */ - rtl8366s_set_port_vlan_index(smi, port, i); + if (vid == vlanmc.vid) { + err = rtl8366s_set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; - return 0; + err = rtl8366s_set_mc_index(smi, port, i); + return err; } } - /* - * PVID could not be found from vlan table. Replace unused (one that - * has no member ports) with new one - */ - for (i = 0; i < RTL8366_NUM_VLANS; ++i) { - rtl8366s_get_vlan_mc(smi, i, &vlanmc); + /* We have no MC entry for this VID, try to find an empty one */ + for (i = 0; i < RTL8366_NUM_VLANS; i++) { + err = rtl8366s_get_vlan_mc(smi, i, &vlanmc); + if (err) + return err; - /* - * See if this vlan member configuration is unused. It is - * unused if member set contains no ports or CPU port only - */ - if (!vlanmc.member || vlanmc.member == RTL8366_PORT_CPU) { - vlanmc.vid = val; - vlanmc.priority = 0; - vlanmc.untag = RTL8366_PORT_ALL_BUT_CPU; - vlanmc.member = ((1 << port) | RTL8366_PORT_CPU); - vlanmc.fid = 0; + if (vlanmc.vid == 0 && vlanmc.member == 0) { + /* Update the entry from the 4K table */ + err = rtl8366s_get_vlan_4k(smi, vid, &vlan4k); + if (err) + return err; + + vlanmc.vid = vid; + vlanmc.member = vlan4k.member; + vlanmc.untag = vlan4k.untag; + vlanmc.fid = vlan4k.fid; + err = rtl8366s_set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + err = rtl8366s_set_mc_index(smi, port, i); + return err; + } + } - rtl8366s_set_vlan_mc(smi, i, &vlanmc); + /* MC table is full, try to find an unused entry and replace it */ + for (i = 0; i < RTL8366_NUM_VLANS; i++) { + int used; - /* Now update PVID register settings */ - rtl8366s_set_port_vlan_index(smi, port, i); + err = rtl8366s_mc_is_used(smi, i, &used); + if (err) + return err; - return 0; + if (!used) { + /* Update the entry from the 4K table */ + err = rtl8366s_get_vlan_4k(smi, vid, &vlan4k); + if (err) + return err; + + vlanmc.vid = vid; + vlanmc.member = vlan4k.member; + vlanmc.untag = vlan4k.untag; + vlanmc.fid = vlan4k.fid; + err = rtl8366s_set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + err = rtl8366s_set_mc_index(smi, port, i); + return err; } } dev_err(smi->parent, - "All 16 vlan member configurations are in use\n"); + "all VLAN member configurations are in use\n"); - return -EINVAL; + return -ENOSPC; } - static int rtl8366s_vlan_set_vlan(struct rtl8366_smi *smi, int enable) { return rtl8366_smi_rmwr(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, @@ -766,12 +840,11 @@ static int rtl8366s_vlan_set_4ktable(struct rtl8366_smi *smi, int enable) static int rtl8366s_reset_vlan(struct rtl8366_smi *smi) { - struct rtl8366_vlan_4k vlan4k; struct rtl8366_vlan_mc vlanmc; int err; int i; - /* clear 16 VLAN member configuration */ + /* clear VLAN member configurations */ vlanmc.vid = 0; vlanmc.priority = 0; vlanmc.member = 0; @@ -783,18 +856,18 @@ static int rtl8366s_reset_vlan(struct rtl8366_smi *smi) return err; } - /* Set a default VLAN with vid 1 to 4K table for all ports */ - vlan4k.vid = 1; - vlan4k.member = RTL8366_PORT_ALL; - vlan4k.untag = RTL8366_PORT_ALL; - vlan4k.fid = 0; - err = rtl8366s_set_vlan_4k(smi, &vlan4k); - if (err) - return err; - - /* Set all ports PVID to default VLAN */ for (i = 0; i < RTL8366_NUM_PORTS; i++) { - err = rtl8366s_set_vlan_port_pvid(smi, i, 0); + if (i == RTL8366_PORT_CPU) + continue; + + err = rtl8366s_set_vlan(smi, (i + 1), + (1 << i) | RTL8366_PORT_CPU, + (1 << i) | RTL8366_PORT_CPU, + 0); + if (err) + return err; + + err = rtl8366s_set_pvid(smi, i, (i + 1)); if (err) return err; } @@ -872,7 +945,7 @@ static ssize_t rtl8366s_read_debugfs_vlan(struct file *file, for (j = 0; j < RTL8366_NUM_PORTS; ++j) { int index = 0; - if (!rtl8366s_get_port_vlan_index(smi, j, &index)) { + if (!rtl8366s_get_mc_index(smi, j, &index)) { if (index == i) len += snprintf(buf + len, sizeof(rtl->buf) - len, @@ -1167,43 +1240,35 @@ static int rtl8366s_sw_get_vlan_info(struct switch_dev *dev, { int i; u32 len = 0; - struct rtl8366_vlan_mc vlanmc; struct rtl8366_vlan_4k vlan4k; struct rtl8366s *rtl = sw_to_rtl8366s(dev); struct rtl8366_smi *smi = &rtl->smi; char *buf = rtl->buf; + int err; if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS) return -EINVAL; memset(buf, '\0', sizeof(rtl->buf)); - rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc); - rtl8366s_get_vlan_4k(smi, vlanmc.vid, &vlan4k); + err = rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k); + if (err) + return err; - len += snprintf(buf + len, sizeof(rtl->buf) - len, "VLAN %d: Ports: ", - val->port_vlan); + len += snprintf(buf + len, sizeof(rtl->buf) - len, + "VLAN %d: Ports: '", vlan4k.vid); - for (i = 0; i < RTL8366_NUM_PORTS; ++i) { - int index = 0; - if (!rtl8366s_get_port_vlan_index(smi, i, &index) && - index == val->port_vlan) - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d", i); + for (i = 0; i < RTL8366_NUM_PORTS; i++) { + if (!(vlan4k.member & (1 << i))) + continue; + + len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d%s", i, + (vlan4k.untag & (1 << i)) ? "" : "t"); } - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n"); len += snprintf(buf + len, sizeof(rtl->buf) - len, - "\t\t vid \t prio \t member \t untag \t fid\n"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\tMC:\t"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d \t %d \t 0x%04x \t 0x%04x \t %d\n", - vlanmc.vid, vlanmc.priority, vlanmc.member, - vlanmc.untag, vlanmc.fid); - len += snprintf(buf + len, sizeof(rtl->buf) - len, "\t4K:\t"); - len += snprintf(buf + len, sizeof(rtl->buf) - len, - "%d \t \t 0x%04x \t 0x%04x \t %d", - vlan4k.vid, vlan4k.member, vlan4k.untag, vlan4k.fid); + "', members=%04x, untag=%04x, fid=%u", + vlan4k.member, vlan4k.untag, vlan4k.fid); val->value.s = buf; val->len = len; @@ -1304,23 +1369,23 @@ static int rtl8366s_sw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val) { struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); - struct rtl8366_vlan_mc vlanmc; struct switch_port *port; + struct rtl8366_vlan_4k vlan4k; int i; if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS) return -EINVAL; - rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc); + rtl8366s_get_vlan_4k(smi, val->port_vlan, &vlan4k); port = &val->value.ports[0]; val->len = 0; for (i = 0; i < RTL8366_NUM_PORTS; i++) { - if (!(vlanmc.member & BIT(i))) + if (!(vlan4k.member & BIT(i))) continue; port->id = i; - port->flags = (vlanmc.untag & BIT(i)) ? + port->flags = (vlan4k.untag & BIT(i)) ? 0 : BIT(SWITCH_PORT_FLAG_TAGGED); val->len++; port++; @@ -1332,46 +1397,35 @@ static int rtl8366s_sw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val) { struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); - struct rtl8366_vlan_mc vlanmc; - struct rtl8366_vlan_4k vlan4k; struct switch_port *port; + u32 member = 0; + u32 untag = 0; int i; if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS) return -EINVAL; - rtl8366s_get_vlan_mc(smi, val->port_vlan, &vlanmc); - rtl8366s_get_vlan_4k(smi, vlanmc.vid, &vlan4k); - - vlanmc.untag = 0; - vlanmc.member = 0; - port = &val->value.ports[0]; for (i = 0; i < val->len; i++, port++) { - vlanmc.member |= BIT(port->id); + member |= BIT(port->id); if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED))) - vlanmc.untag |= BIT(port->id); + untag |= BIT(port->id); } - vlan4k.member = vlanmc.member; - vlan4k.untag = vlanmc.untag; - - rtl8366s_set_vlan_mc(smi, val->port_vlan, &vlanmc); - rtl8366s_set_vlan_4k(smi, &vlan4k); - return 0; + return rtl8366s_set_vlan(smi, val->port_vlan, member, untag, 0); } static int rtl8366s_sw_get_port_pvid(struct switch_dev *dev, int port, int *val) { struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); - return rtl8366s_get_vlan_port_pvid(smi, port, val); + return rtl8366s_get_pvid(smi, port, val); } static int rtl8366s_sw_set_port_pvid(struct switch_dev *dev, int port, int val) { struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev); - return rtl8366s_set_vlan_port_pvid(smi, port, val); + return rtl8366s_set_pvid(smi, port, val); } static int rtl8366s_sw_reset_switch(struct switch_dev *dev)