From 7639f28439496bad5ff4ec1a2d80f24964d452c3 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 28 Jun 2010 17:23:45 +0000 Subject: generic: rtl8366: move common VLAN handling functions to rtl8366_smi.c git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21979 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../generic/files/drivers/net/phy/rtl8366_smi.c | 203 +++++++++++++++++++++ 1 file changed, 203 insertions(+) (limited to 'target/linux/generic/files/drivers/net/phy/rtl8366_smi.c') diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c index bb2e3ba68f..dacb465946 100644 --- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c +++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c @@ -281,6 +281,209 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data) } EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr); +static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used) +{ + int err; + int i; + + *used = 0; + for (i = 0; i < smi->num_ports; i++) { + int index = 0; + + err = smi->ops->get_mc_index(smi, i, &index); + if (err) + return err; + + if (mc_index == index) { + *used = 1; + break; + } + } + + return 0; +} + +int rtl8366_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 = smi->ops->get_vlan_4k(smi, vid, &vlan4k); + if (err) + return err; + + vlan4k.member = member; + vlan4k.untag = untag; + vlan4k.fid = fid; + err = smi->ops->set_vlan_4k(smi, &vlan4k); + if (err) + return err; + + /* Try to find an existing MC entry for this VID */ + for (i = 0; i < smi->num_vlan_mc; i++) { + struct rtl8366_vlan_mc vlanmc; + + err = smi->ops->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 = smi->ops->set_vlan_mc(smi, i, &vlanmc); + break; + } + } + + return err; +} +EXPORT_SYMBOL_GPL(rtl8366_set_vlan); + +int rtl8366_reset_vlan(struct rtl8366_smi *smi) +{ + struct rtl8366_vlan_mc vlanmc; + int err; + int i; + + /* clear VLAN member configurations */ + vlanmc.vid = 0; + vlanmc.priority = 0; + vlanmc.member = 0; + vlanmc.untag = 0; + vlanmc.fid = 0; + for (i = 0; i < smi->num_vlan_mc; i++) { + err = smi->ops->set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + } + + for (i = 0; i < smi->num_ports; i++) { + if (i == smi->cpu_port) + continue; + + err = rtl8366_set_vlan(smi, (i + 1), + (1 << i) | (1 << smi->cpu_port), + (1 << i) | (1 << smi->cpu_port), + 0); + if (err) + return err; + + err = rtl8366_set_pvid(smi, i, (i + 1)); + if (err) + return err; + } + + return 0; +} +EXPORT_SYMBOL_GPL(rtl8366_reset_vlan); + +int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val) +{ + struct rtl8366_vlan_mc vlanmc; + int err; + int index; + + err = smi->ops->get_mc_index(smi, port, &index); + if (err) + return err; + + err = smi->ops->get_vlan_mc(smi, index, &vlanmc); + if (err) + return err; + + *val = vlanmc.vid; + return 0; +} +EXPORT_SYMBOL_GPL(rtl8366_get_pvid); + +int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port, unsigned vid) +{ + struct rtl8366_vlan_mc vlanmc; + struct rtl8366_vlan_4k vlan4k; + int err; + int i; + + /* Try to find an existing MC entry for this VID */ + for (i = 0; i < smi->num_vlan_mc; i++) { + err = smi->ops->get_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + if (vid == vlanmc.vid) { + err = smi->ops->set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + err = smi->ops->set_mc_index(smi, port, i); + return err; + } + } + + /* We have no MC entry for this VID, try to find an empty one */ + for (i = 0; i < smi->num_vlan_mc; i++) { + err = smi->ops->get_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + if (vlanmc.vid == 0 && vlanmc.member == 0) { + /* Update the entry from the 4K table */ + err = smi->ops->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 = smi->ops->set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + err = smi->ops->set_mc_index(smi, port, i); + return err; + } + } + + /* MC table is full, try to find an unused entry and replace it */ + for (i = 0; i < smi->num_vlan_mc; i++) { + int used; + + err = rtl8366_mc_is_used(smi, i, &used); + if (err) + return err; + + if (!used) { + /* Update the entry from the 4K table */ + err = smi->ops->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 = smi->ops->set_vlan_mc(smi, i, &vlanmc); + if (err) + return err; + + err = smi->ops->set_mc_index(smi, port, i); + return err; + } + } + + dev_err(smi->parent, + "all VLAN member configurations are in use\n"); + + return -ENOSPC; +} +EXPORT_SYMBOL_GPL(rtl8366_set_pvid); + static int rtl8366_smi_mii_init(struct rtl8366_smi *smi) { int ret; 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