mirror of https://gitee.com/openkylin/linux.git
net: dsa: bcm_sf2: Add VLAN support
Add support for configuring VLANs on the Broadcom Starfigther2 switch. This is all done through the bridge vlan facility just like other DSA drivers. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
David S. Miller
parent
064523ff78
commit
9c57a77182
|
|
@ -467,7 +467,7 @@ static int bcm_sf2_fast_age_op(struct bcm_sf2_priv *priv)
|
|||
u32 reg;
|
||||
|
||||
reg = core_readl(priv, CORE_FAST_AGE_CTRL);
|
||||
reg |= EN_AGE_PORT | EN_AGE_DYNAMIC | FAST_AGE_STR_DONE;
|
||||
reg |= EN_AGE_PORT | EN_AGE_VLAN | EN_AGE_DYNAMIC | FAST_AGE_STR_DONE;
|
||||
core_writel(priv, reg, CORE_FAST_AGE_CTRL);
|
||||
|
||||
do {
|
||||
|
|
@ -498,13 +498,86 @@ static int bcm_sf2_sw_fast_age_port(struct dsa_switch *ds, int port)
|
|||
return bcm_sf2_fast_age_op(priv);
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_fast_age_vlan(struct bcm_sf2_priv *priv, u16 vid)
|
||||
{
|
||||
core_writel(priv, vid, CORE_FAST_AGE_VID);
|
||||
|
||||
return bcm_sf2_fast_age_op(priv);
|
||||
}
|
||||
|
||||
static int bcm_sf2_vlan_op_wait(struct bcm_sf2_priv *priv)
|
||||
{
|
||||
unsigned int timeout = 10;
|
||||
u32 reg;
|
||||
|
||||
do {
|
||||
reg = core_readl(priv, CORE_ARLA_VTBL_RWCTRL);
|
||||
if (!(reg & ARLA_VTBL_STDN))
|
||||
return 0;
|
||||
|
||||
usleep_range(1000, 2000);
|
||||
} while (timeout--);
|
||||
|
||||
return -ETIMEDOUT;
|
||||
}
|
||||
|
||||
static int bcm_sf2_vlan_op(struct bcm_sf2_priv *priv, u8 op)
|
||||
{
|
||||
core_writel(priv, ARLA_VTBL_STDN | op, CORE_ARLA_VTBL_RWCTRL);
|
||||
|
||||
return bcm_sf2_vlan_op_wait(priv);
|
||||
}
|
||||
|
||||
static void bcm_sf2_set_vlan_entry(struct bcm_sf2_priv *priv, u16 vid,
|
||||
struct bcm_sf2_vlan *vlan)
|
||||
{
|
||||
int ret;
|
||||
|
||||
core_writel(priv, vid & VTBL_ADDR_INDEX_MASK, CORE_ARLA_VTBL_ADDR);
|
||||
core_writel(priv, vlan->untag << UNTAG_MAP_SHIFT | vlan->members,
|
||||
CORE_ARLA_VTBL_ENTRY);
|
||||
|
||||
ret = bcm_sf2_vlan_op(priv, ARLA_VTBL_CMD_WRITE);
|
||||
if (ret)
|
||||
pr_err("failed to write VLAN entry\n");
|
||||
}
|
||||
|
||||
static int bcm_sf2_get_vlan_entry(struct bcm_sf2_priv *priv, u16 vid,
|
||||
struct bcm_sf2_vlan *vlan)
|
||||
{
|
||||
u32 entry;
|
||||
int ret;
|
||||
|
||||
core_writel(priv, vid & VTBL_ADDR_INDEX_MASK, CORE_ARLA_VTBL_ADDR);
|
||||
|
||||
ret = bcm_sf2_vlan_op(priv, ARLA_VTBL_CMD_READ);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
entry = core_readl(priv, CORE_ARLA_VTBL_ENTRY);
|
||||
vlan->members = entry & FWD_MAP_MASK;
|
||||
vlan->untag = (entry >> UNTAG_MAP_SHIFT) & UNTAG_MAP_MASK;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_br_join(struct dsa_switch *ds, int port,
|
||||
struct net_device *bridge)
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
s8 cpu_port = ds->dst->cpu_port;
|
||||
unsigned int i;
|
||||
u32 reg, p_ctl;
|
||||
|
||||
/* Make this port leave the all VLANs join since we will have proper
|
||||
* VLAN entries from now on
|
||||
*/
|
||||
reg = core_readl(priv, CORE_JOIN_ALL_VLAN_EN);
|
||||
reg &= ~BIT(port);
|
||||
if ((reg & BIT(cpu_port)) == BIT(cpu_port))
|
||||
reg &= ~BIT(cpu_port);
|
||||
core_writel(priv, reg, CORE_JOIN_ALL_VLAN_EN);
|
||||
|
||||
priv->port_sts[port].bridge_dev = bridge;
|
||||
p_ctl = core_readl(priv, CORE_PORT_VLAN_CTL_PORT(port));
|
||||
|
||||
|
|
@ -536,6 +609,7 @@ static void bcm_sf2_sw_br_leave(struct dsa_switch *ds, int port)
|
|||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
struct net_device *bridge = priv->port_sts[port].bridge_dev;
|
||||
s8 cpu_port = ds->dst->cpu_port;
|
||||
unsigned int i;
|
||||
u32 reg, p_ctl;
|
||||
|
||||
|
|
@ -559,6 +633,13 @@ static void bcm_sf2_sw_br_leave(struct dsa_switch *ds, int port)
|
|||
core_writel(priv, p_ctl, CORE_PORT_VLAN_CTL_PORT(port));
|
||||
priv->port_sts[port].vlan_ctl_mask = p_ctl;
|
||||
priv->port_sts[port].bridge_dev = NULL;
|
||||
|
||||
/* Make this port join all VLANs without VLAN entries */
|
||||
reg = core_readl(priv, CORE_JOIN_ALL_VLAN_EN);
|
||||
reg |= BIT(port);
|
||||
if (!(reg & BIT(cpu_port)))
|
||||
reg |= BIT(cpu_port);
|
||||
core_writel(priv, reg, CORE_JOIN_ALL_VLAN_EN);
|
||||
}
|
||||
|
||||
static void bcm_sf2_sw_br_set_stp_state(struct dsa_switch *ds, int port,
|
||||
|
|
@ -1312,6 +1393,182 @@ static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port,
|
|||
return p->ethtool_ops->set_wol(p, wol);
|
||||
}
|
||||
|
||||
static void bcm_sf2_enable_vlan(struct bcm_sf2_priv *priv, bool enable)
|
||||
{
|
||||
u32 mgmt, vc0, vc1, vc4, vc5;
|
||||
|
||||
mgmt = core_readl(priv, CORE_SWMODE);
|
||||
vc0 = core_readl(priv, CORE_VLAN_CTRL0);
|
||||
vc1 = core_readl(priv, CORE_VLAN_CTRL1);
|
||||
vc4 = core_readl(priv, CORE_VLAN_CTRL4);
|
||||
vc5 = core_readl(priv, CORE_VLAN_CTRL5);
|
||||
|
||||
mgmt &= ~SW_FWDG_MODE;
|
||||
|
||||
if (enable) {
|
||||
vc0 |= VLAN_EN | VLAN_LEARN_MODE_IVL;
|
||||
vc1 |= EN_RSV_MCAST_UNTAG | EN_RSV_MCAST_FWDMAP;
|
||||
vc4 &= ~(INGR_VID_CHK_MASK << INGR_VID_CHK_SHIFT);
|
||||
vc4 |= INGR_VID_CHK_DROP;
|
||||
vc5 |= DROP_VTABLE_MISS | EN_VID_FFF_FWD;
|
||||
} else {
|
||||
vc0 &= ~(VLAN_EN | VLAN_LEARN_MODE_IVL);
|
||||
vc1 &= ~(EN_RSV_MCAST_UNTAG | EN_RSV_MCAST_FWDMAP);
|
||||
vc4 &= ~(INGR_VID_CHK_MASK << INGR_VID_CHK_SHIFT);
|
||||
vc5 &= ~(DROP_VTABLE_MISS | EN_VID_FFF_FWD);
|
||||
vc4 |= INGR_VID_CHK_VID_VIOL_IMP;
|
||||
}
|
||||
|
||||
core_writel(priv, vc0, CORE_VLAN_CTRL0);
|
||||
core_writel(priv, vc1, CORE_VLAN_CTRL1);
|
||||
core_writel(priv, 0, CORE_VLAN_CTRL3);
|
||||
core_writel(priv, vc4, CORE_VLAN_CTRL4);
|
||||
core_writel(priv, vc5, CORE_VLAN_CTRL5);
|
||||
core_writel(priv, mgmt, CORE_SWMODE);
|
||||
}
|
||||
|
||||
static void bcm_sf2_sw_configure_vlan(struct dsa_switch *ds)
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
unsigned int port;
|
||||
|
||||
/* Clear all VLANs */
|
||||
bcm_sf2_vlan_op(priv, ARLA_VTBL_CMD_CLEAR);
|
||||
|
||||
for (port = 0; port < priv->hw_params.num_ports; port++) {
|
||||
if (!((1 << port) & ds->enabled_port_mask))
|
||||
continue;
|
||||
|
||||
core_writel(priv, 1, CORE_DEFAULT_1Q_TAG_P(port));
|
||||
}
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_vlan_filtering(struct dsa_switch *ds, int port,
|
||||
bool vlan_filtering)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_vlan_prepare(struct dsa_switch *ds, int port,
|
||||
const struct switchdev_obj_port_vlan *vlan,
|
||||
struct switchdev_trans *trans)
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
|
||||
bcm_sf2_enable_vlan(priv, true);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void bcm_sf2_sw_vlan_add(struct dsa_switch *ds, int port,
|
||||
const struct switchdev_obj_port_vlan *vlan,
|
||||
struct switchdev_trans *trans)
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
|
||||
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
|
||||
s8 cpu_port = ds->dst->cpu_port;
|
||||
struct bcm_sf2_vlan *vl;
|
||||
u16 vid;
|
||||
|
||||
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
|
||||
vl = &priv->vlans[vid];
|
||||
|
||||
bcm_sf2_get_vlan_entry(priv, vid, vl);
|
||||
|
||||
vl->members |= BIT(port) | BIT(cpu_port);
|
||||
if (untagged)
|
||||
vl->untag |= BIT(port) | BIT(cpu_port);
|
||||
else
|
||||
vl->untag &= ~(BIT(port) | BIT(cpu_port));
|
||||
|
||||
bcm_sf2_set_vlan_entry(priv, vid, vl);
|
||||
bcm_sf2_sw_fast_age_vlan(priv, vid);
|
||||
}
|
||||
|
||||
if (pvid) {
|
||||
core_writel(priv, vlan->vid_end, CORE_DEFAULT_1Q_TAG_P(port));
|
||||
core_writel(priv, vlan->vid_end,
|
||||
CORE_DEFAULT_1Q_TAG_P(cpu_port));
|
||||
bcm_sf2_sw_fast_age_vlan(priv, vid);
|
||||
}
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_vlan_del(struct dsa_switch *ds, int port,
|
||||
const struct switchdev_obj_port_vlan *vlan)
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
|
||||
s8 cpu_port = ds->dst->cpu_port;
|
||||
struct bcm_sf2_vlan *vl;
|
||||
u16 vid, pvid;
|
||||
int ret;
|
||||
|
||||
pvid = core_readl(priv, CORE_DEFAULT_1Q_TAG_P(port));
|
||||
|
||||
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
|
||||
vl = &priv->vlans[vid];
|
||||
|
||||
ret = bcm_sf2_get_vlan_entry(priv, vid, vl);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
vl->members &= ~BIT(port);
|
||||
if ((vl->members & BIT(cpu_port)) == BIT(cpu_port))
|
||||
vl->members = 0;
|
||||
if (pvid == vid)
|
||||
pvid = 0;
|
||||
if (untagged) {
|
||||
vl->untag &= ~BIT(port);
|
||||
if ((vl->untag & BIT(port)) == BIT(cpu_port))
|
||||
vl->untag = 0;
|
||||
}
|
||||
|
||||
bcm_sf2_set_vlan_entry(priv, vid, vl);
|
||||
bcm_sf2_sw_fast_age_vlan(priv, vid);
|
||||
}
|
||||
|
||||
core_writel(priv, pvid, CORE_DEFAULT_1Q_TAG_P(port));
|
||||
core_writel(priv, pvid, CORE_DEFAULT_1Q_TAG_P(cpu_port));
|
||||
bcm_sf2_sw_fast_age_vlan(priv, vid);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_vlan_dump(struct dsa_switch *ds, int port,
|
||||
struct switchdev_obj_port_vlan *vlan,
|
||||
int (*cb)(struct switchdev_obj *obj))
|
||||
{
|
||||
struct bcm_sf2_priv *priv = ds_to_priv(ds);
|
||||
struct bcm_sf2_port_status *p = &priv->port_sts[port];
|
||||
struct bcm_sf2_vlan *vl;
|
||||
u16 vid, pvid;
|
||||
int err = 0;
|
||||
|
||||
pvid = core_readl(priv, CORE_DEFAULT_1Q_TAG_P(port));
|
||||
|
||||
for (vid = 0; vid < VLAN_N_VID; vid++) {
|
||||
vl = &priv->vlans[vid];
|
||||
|
||||
if (!(vl->members & BIT(port)))
|
||||
continue;
|
||||
|
||||
vlan->vid_begin = vlan->vid_end = vid;
|
||||
vlan->flags = 0;
|
||||
|
||||
if (vl->untag & BIT(port))
|
||||
vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
|
||||
if (p->pvid == vid)
|
||||
vlan->flags |= BRIDGE_VLAN_INFO_PVID;
|
||||
|
||||
err = cb(&vlan->obj);
|
||||
if (err)
|
||||
break;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int bcm_sf2_sw_setup(struct dsa_switch *ds)
|
||||
{
|
||||
const char *reg_names[BCM_SF2_REGS_NUM] = BCM_SF2_REGS_NAME;
|
||||
|
|
@ -1403,6 +1660,8 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds)
|
|||
bcm_sf2_port_disable(ds, port, NULL);
|
||||
}
|
||||
|
||||
bcm_sf2_sw_configure_vlan(ds);
|
||||
|
||||
rev = reg_readl(priv, REG_SWITCH_REVISION);
|
||||
priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) &
|
||||
SWITCH_TOP_REV_MASK;
|
||||
|
|
@ -1457,6 +1716,11 @@ static struct dsa_switch_driver bcm_sf2_switch_driver = {
|
|||
.port_fdb_add = bcm_sf2_sw_fdb_add,
|
||||
.port_fdb_del = bcm_sf2_sw_fdb_del,
|
||||
.port_fdb_dump = bcm_sf2_sw_fdb_dump,
|
||||
.port_vlan_filtering = bcm_sf2_sw_vlan_filtering,
|
||||
.port_vlan_prepare = bcm_sf2_sw_vlan_prepare,
|
||||
.port_vlan_add = bcm_sf2_sw_vlan_add,
|
||||
.port_vlan_del = bcm_sf2_sw_vlan_del,
|
||||
.port_vlan_dump = bcm_sf2_sw_vlan_dump,
|
||||
};
|
||||
|
||||
static int __init bcm_sf2_init(void)
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
#include <linux/ethtool.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/if_vlan.h>
|
||||
|
||||
#include <net/dsa.h>
|
||||
|
||||
|
|
@ -50,6 +51,7 @@ struct bcm_sf2_port_status {
|
|||
struct ethtool_eee eee;
|
||||
|
||||
u32 vlan_ctl_mask;
|
||||
u16 pvid;
|
||||
|
||||
struct net_device *bridge_dev;
|
||||
};
|
||||
|
|
@ -63,6 +65,11 @@ struct bcm_sf2_arl_entry {
|
|||
u8 is_static:1;
|
||||
};
|
||||
|
||||
struct bcm_sf2_vlan {
|
||||
u16 members;
|
||||
u16 untag;
|
||||
};
|
||||
|
||||
static inline void bcm_sf2_mac_from_u64(u64 src, u8 *dst)
|
||||
{
|
||||
unsigned int i;
|
||||
|
|
@ -148,6 +155,9 @@ struct bcm_sf2_priv {
|
|||
struct device_node *master_mii_dn;
|
||||
struct mii_bus *slave_mii_bus;
|
||||
struct mii_bus *master_mii_bus;
|
||||
|
||||
/* Cache of programmed VLANs */
|
||||
struct bcm_sf2_vlan vlans[VLAN_N_VID];
|
||||
};
|
||||
|
||||
struct bcm_sf2_hw_stats {
|
||||
|
|
|
|||
Loading…
Reference in New Issue