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backfire: generic: rtl8366: move common VLAN handling functions to rtl8366_smi.c (backport of 21979)

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@22025 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2010-07-01 18:08:19 +00:00
parent e651d111d7
commit c667963cee
4 changed files with 217 additions and 410 deletions
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203
target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c
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@@ -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;