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Date: Fri, 6 May 2016 17:57:13 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next 11/21] net: dsa: mv88e6xxx: factorize ATU access
Add a MV88E6XXX_FLAG_ATU flag to identify switch models with an Address
Translation Unit.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6123.c | 4 ++++
drivers/net/dsa/mv88e6xxx.c | 14 ++++++++++++++
drivers/net/dsa/mv88e6xxx.h | 24 ++++++++++++++++++------
3 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
index da5aa9c..45cce4f 100644
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -141,6 +141,10 @@ struct dsa_switch_driver mv88e6123_switch_driver = {
.port_vlan_add = mv88e6xxx_port_vlan_add,
.port_vlan_del = mv88e6xxx_port_vlan_del,
.port_vlan_dump = mv88e6xxx_port_vlan_dump,
+ .port_fdb_prepare = mv88e6xxx_port_fdb_prepare,
+ .port_fdb_add = mv88e6xxx_port_fdb_add,
+ .port_fdb_del = mv88e6xxx_port_fdb_del,
+ .port_fdb_dump = mv88e6xxx_port_fdb_dump,
};
MODULE_ALIAS("platform:mv88e6123");
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 7994486..dbbda4e 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2267,6 +2267,11 @@ int mv88e6xxx_port_fdb_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_fdb *fdb,
struct switchdev_trans *trans)
{
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_ATU))
+ return -EOPNOTSUPP;
+
/* We don't need any dynamic resource from the kernel (yet),
* so skip the prepare phase.
*/
@@ -2282,6 +2287,9 @@ void mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
GLOBAL_ATU_DATA_STATE_UC_STATIC;
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_ATU))
+ return;
+
mutex_lock(&ps->smi_mutex);
if (_mv88e6xxx_port_fdb_load(ps, port, fdb->addr, fdb->vid, state))
netdev_err(ds->ports[port], "failed to load MAC address\n");
@@ -2294,6 +2302,9 @@ int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_ATU))
+ return -EOPNOTSUPP;
+
mutex_lock(&ps->smi_mutex);
ret = _mv88e6xxx_port_fdb_load(ps, port, fdb->addr, fdb->vid,
GLOBAL_ATU_DATA_STATE_UNUSED);
@@ -2399,6 +2410,9 @@ int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
u16 fid;
int err;
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_ATU))
+ return -EOPNOTSUPP;
+
mutex_lock(&ps->smi_mutex);
/* Dump port's default Filtering Information Database (VLAN ID 0) */
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 4f21206..192292f 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -351,6 +351,11 @@ enum mv88e6xxx_family {
};
enum mv88e6xxx_cap {
+ /* Address Translation Unit.
+ * The ATU is used to lookup and learn MAC addresses. See GLOBAL_ATU_OP.
+ */
+ MV88E6XXX_CAP_ATU,
+
/* Energy Efficient Ethernet.
*/
MV88E6XXX_CAP_EEE,
@@ -402,6 +407,7 @@ enum mv88e6xxx_cap {
};
/* Bitmask of capabilities */
+#define MV88E6XXX_FLAG_ATU BIT(MV88E6XXX_CAP_ATU)
#define MV88E6XXX_FLAG_EEE BIT(MV88E6XXX_CAP_EEE)
#define MV88E6XXX_FLAG_EEPROM BIT(MV88E6XXX_CAP_EEPROM)
#define MV88E6XXX_FLAG_PORTSTATE BIT(MV88E6XXX_CAP_PORTSTATE)
@@ -414,12 +420,14 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_VTU BIT(MV88E6XXX_CAP_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6095 \
- (MV88E6XXX_FLAG_PPU | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6097 \
- (MV88E6XXX_FLAG_PPU | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
@@ -428,12 +436,14 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_TEMP)
#define MV88E6XXX_FLAGS_FAMILY_6185 \
- (MV88E6XXX_FLAG_PPU | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_PPU | \
MV88E6XXX_FLAG_VLANTABLE | \
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6320 \
- (MV88E6XXX_FLAG_EEE | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_SMI_PHY | \
@@ -444,7 +454,8 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6351 \
- (MV88E6XXX_FLAG_PORTSTATE | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_SMI_PHY | \
MV88E6XXX_FLAG_SWITCH_MAC | \
MV88E6XXX_FLAG_TEMP | \
@@ -452,7 +463,8 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_VTU)
#define MV88E6XXX_FLAGS_FAMILY_6352 \
- (MV88E6XXX_FLAG_EEE | \
+ (MV88E6XXX_FLAG_ATU | \
+ MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_EEPROM | \
MV88E6XXX_FLAG_PORTSTATE | \
MV88E6XXX_FLAG_SMI_PHY | \
--
2.8.2
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