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Message-Id: <20170615161406.20546-5-vivien.didelot@savoirfairelinux.com>
Date: Thu, 15 Jun 2017 12:14:02 -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 4/8] net: dsa: mv88e6xxx: prefix Global VTU macros
Prefix and document the Global VTU registers macros and give a clear
16-bit registers representation.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 23 ++++++-----
drivers/net/dsa/mv88e6xxx/chip.h | 4 +-
drivers/net/dsa/mv88e6xxx/global1.h | 69 ++++++++++++++++++++-------------
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 62 +++++++++++++++--------------
4 files changed, 90 insertions(+), 68 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 066fa63c6b6e..f2ce054913e4 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1047,7 +1047,8 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
if (!next.valid)
break;
- if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+ if (next.member[port] ==
+ MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
continue;
/* reinit and dump this VLAN obj */
@@ -1055,7 +1056,8 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
vlan->vid_end = next.vid;
vlan->flags = 0;
- if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED)
+ if (next.member[port] ==
+ MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED)
vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
if (next.vid == pvid)
@@ -1143,7 +1145,7 @@ static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
/* Exclude all ports */
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
entry->member[i] =
- GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
+ MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
return mv88e6xxx_atu_new(chip, &entry->fid);
}
@@ -1185,7 +1187,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
continue;
if (vlan.member[i] ==
- GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+ MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
continue;
if (ds->ports[i].bridge_dev ==
@@ -1281,11 +1283,11 @@ static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
return;
if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port))
- member = GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED;
+ member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED;
else if (untagged)
- member = GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED;
+ member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED;
else
- member = GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED;
+ member = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED;
mutex_lock(&chip->reg_lock);
@@ -1312,15 +1314,16 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
return err;
/* Tell switchdev if this VLAN is handled in software */
- if (vlan.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+ if (vlan.member[port] == MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
return -EOPNOTSUPP;
- vlan.member[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
+ vlan.member[port] = MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER;
/* keep the VLAN unless all ports are excluded */
vlan.valid = false;
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
- if (vlan.member[i] != GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
+ if (vlan.member[i] !=
+ MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
vlan.valid = true;
break;
}
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index d70873498501..409452ebc4b9 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -127,12 +127,12 @@ enum mv88e6xxx_cap {
/* Per VLAN Spanning Tree Unit (STU).
* The Port State database, if present, is accessed through VTU
- * operations and dedicated SID registers. See GLOBAL_VTU_SID.
+ * operations and dedicated SID registers. See MV88E6352_G1_VTU_SID.
*/
MV88E6XXX_CAP_STU,
/* VLAN Table Unit.
- * The VTU is used to program 802.1Q VLANs. See GLOBAL_VTU_OP.
+ * The VTU is used to program 802.1Q VLANs. See MV88E6XXX_G1_VTU_OP.
*/
MV88E6XXX_CAP_VTU,
};
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 126515532d53..56ba709628c7 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -47,10 +47,14 @@
/* Offset 0x01: ATU FID Register */
#define MV88E6352_G1_ATU_FID 0x01
-#define GLOBAL_VTU_FID 0x02
-#define GLOBAL_VTU_FID_MASK 0xfff
-#define GLOBAL_VTU_SID 0x03 /* 6097 6165 6351 6352 */
-#define GLOBAL_VTU_SID_MASK 0x3f
+/* Offset 0x02: VTU FID Register */
+#define MV88E6352_G1_VTU_FID 0x02
+#define MV88E6352_G1_VTU_FID_MASK 0x0fff
+
+/* Offset 0x03: VTU SID Register */
+#define MV88E6352_G1_VTU_SID 0x03
+#define MV88E6352_G1_VTU_SID_MASK 0x3f
+
#define GLOBAL_CONTROL 0x04
#define GLOBAL_CONTROL_SW_RESET BIT(15)
#define GLOBAL_CONTROL_PPU_ENABLE BIT(14)
@@ -66,29 +70,40 @@
#define GLOBAL_CONTROL_ATU_DONE_EN BIT(2)
#define GLOBAL_CONTROL_TCAM_EN BIT(1)
#define GLOBAL_CONTROL_EEPROM_DONE_EN BIT(0)
-#define GLOBAL_VTU_OP 0x05
-#define GLOBAL_VTU_OP_BUSY BIT(15)
-#define GLOBAL_VTU_OP_FLUSH_ALL ((0x01 << 12) | GLOBAL_VTU_OP_BUSY)
-#define GLOBAL_VTU_OP_VTU_LOAD_PURGE ((0x03 << 12) | GLOBAL_VTU_OP_BUSY)
-#define GLOBAL_VTU_OP_VTU_GET_NEXT ((0x04 << 12) | GLOBAL_VTU_OP_BUSY)
-#define GLOBAL_VTU_OP_STU_LOAD_PURGE ((0x05 << 12) | GLOBAL_VTU_OP_BUSY)
-#define GLOBAL_VTU_OP_STU_GET_NEXT ((0x06 << 12) | GLOBAL_VTU_OP_BUSY)
-#define GLOBAL_VTU_VID 0x06
-#define GLOBAL_VTU_VID_MASK 0xfff
-#define GLOBAL_VTU_VID_PAGE BIT(13)
-#define GLOBAL_VTU_VID_VALID BIT(12)
-#define GLOBAL_VTU_DATA_0_3 0x07
-#define GLOBAL_VTU_DATA_4_7 0x08
-#define GLOBAL_VTU_DATA_8_11 0x09
-#define GLOBAL_VTU_STU_DATA_MASK 0x03
-#define GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED 0x00
-#define GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED 0x01
-#define GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED 0x02
-#define GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER 0x03
-#define GLOBAL_STU_DATA_PORT_STATE_DISABLED 0x00
-#define GLOBAL_STU_DATA_PORT_STATE_BLOCKING 0x01
-#define GLOBAL_STU_DATA_PORT_STATE_LEARNING 0x02
-#define GLOBAL_STU_DATA_PORT_STATE_FORWARDING 0x03
+
+/* Offset 0x05: VTU Operation Register */
+#define MV88E6XXX_G1_VTU_OP 0x05
+#define MV88E6XXX_G1_VTU_OP_BUSY 0x8000
+#define MV88E6XXX_G1_VTU_OP_MASK 0x7000
+#define MV88E6XXX_G1_VTU_OP_FLUSH_ALL 0x1000
+#define MV88E6XXX_G1_VTU_OP_NOOP 0x2000
+#define MV88E6XXX_G1_VTU_OP_VTU_LOAD_PURGE 0x3000
+#define MV88E6XXX_G1_VTU_OP_VTU_GET_NEXT 0x4000
+#define MV88E6XXX_G1_VTU_OP_STU_LOAD_PURGE 0x5000
+#define MV88E6XXX_G1_VTU_OP_STU_GET_NEXT 0x6000
+
+/* Offset 0x06: VTU VID Register */
+#define MV88E6XXX_G1_VTU_VID 0x06
+#define MV88E6XXX_G1_VTU_VID_MASK 0x0fff
+#define MV88E6390_G1_VTU_VID_PAGE 0x2000
+#define MV88E6XXX_G1_VTU_VID_VALID 0x1000
+
+/* Offset 0x07: VTU/STU Data Register 1
+ * Offset 0x08: VTU/STU Data Register 2
+ * Offset 0x09: VTU/STU Data Register 3
+ */
+#define MV88E6XXX_G1_VTU_DATA1 0x07
+#define MV88E6XXX_G1_VTU_DATA2 0x08
+#define MV88E6XXX_G1_VTU_DATA3 0x09
+#define MV88E6XXX_G1_VTU_STU_DATA_MASK 0x0003
+#define MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNMODIFIED 0x0000
+#define MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED 0x0001
+#define MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_TAGGED 0x0002
+#define MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER 0x0003
+#define MV88E6XXX_G1_STU_DATA_PORT_STATE_DISABLED 0x0000
+#define MV88E6XXX_G1_STU_DATA_PORT_STATE_BLOCKING 0x0001
+#define MV88E6XXX_G1_STU_DATA_PORT_STATE_LEARNING 0x0002
+#define MV88E6XXX_G1_STU_DATA_PORT_STATE_FORWARDING 0x0003
/* Offset 0x0A: ATU Control Register */
#define MV88E6XXX_G1_ATU_CTL 0x0a
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index bf593c7aaa9b..8c8a0ec3d6e9 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -22,11 +22,11 @@ static int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
u16 val;
int err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_FID, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6352_G1_VTU_FID, &val);
if (err)
return err;
- entry->fid = val & GLOBAL_VTU_FID_MASK;
+ entry->fid = val & MV88E6352_G1_VTU_FID_MASK;
return 0;
}
@@ -34,9 +34,9 @@ static int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
- u16 val = entry->fid & GLOBAL_VTU_FID_MASK;
+ u16 val = entry->fid & MV88E6352_G1_VTU_FID_MASK;
- return mv88e6xxx_g1_write(chip, GLOBAL_VTU_FID, val);
+ return mv88e6xxx_g1_write(chip, MV88E6352_G1_VTU_FID, val);
}
/* Offset 0x03: VTU SID Register */
@@ -47,11 +47,11 @@ static int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
u16 val;
int err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_SID, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6352_G1_VTU_SID, &val);
if (err)
return err;
- entry->sid = val & GLOBAL_VTU_SID_MASK;
+ entry->sid = val & MV88E6352_G1_VTU_SID_MASK;
return 0;
}
@@ -59,23 +59,25 @@ static int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
- u16 val = entry->sid & GLOBAL_VTU_SID_MASK;
+ u16 val = entry->sid & MV88E6352_G1_VTU_SID_MASK;
- return mv88e6xxx_g1_write(chip, GLOBAL_VTU_SID, val);
+ return mv88e6xxx_g1_write(chip, MV88E6352_G1_VTU_SID, val);
}
/* Offset 0x05: VTU Operation Register */
static int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
{
- return mv88e6xxx_g1_wait(chip, GLOBAL_VTU_OP, GLOBAL_VTU_OP_BUSY);
+ return mv88e6xxx_g1_wait(chip, MV88E6XXX_G1_VTU_OP,
+ MV88E6XXX_G1_VTU_OP_BUSY);
}
static int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
{
int err;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_OP, op);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_VTU_OP,
+ MV88E6XXX_G1_VTU_OP_BUSY | op);
if (err)
return err;
@@ -90,16 +92,16 @@ static int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
u16 val;
int err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_VID, &val);
if (err)
return err;
entry->vid = val & 0xfff;
- if (val & GLOBAL_VTU_VID_PAGE)
+ if (val & MV88E6390_G1_VTU_VID_PAGE)
entry->vid |= 0x1000;
- entry->valid = !!(val & GLOBAL_VTU_VID_VALID);
+ entry->valid = !!(val & MV88E6XXX_G1_VTU_VID_VALID);
return 0;
}
@@ -110,12 +112,12 @@ static int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
u16 val = entry->vid & 0xfff;
if (entry->vid & 0x1000)
- val |= GLOBAL_VTU_VID_PAGE;
+ val |= MV88E6390_G1_VTU_VID_PAGE;
if (entry->valid)
- val |= GLOBAL_VTU_VID_VALID;
+ val |= MV88E6XXX_G1_VTU_VID_VALID;
- return mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, val);
+ return mv88e6xxx_g1_write(chip, MV88E6XXX_G1_VTU_VID, val);
}
/* Offset 0x07: VTU/STU Data Register 1
@@ -134,7 +136,7 @@ static int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
u16 *reg = ®s[i];
int err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA1 + i, reg);
if (err)
return err;
}
@@ -171,7 +173,7 @@ static int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
u16 reg = regs[i];
int err;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_VTU_DATA1 + i, reg);
if (err)
return err;
}
@@ -189,7 +191,7 @@ static int mv88e6390_g1_vtu_data_read(struct mv88e6xxx_chip *chip, u8 *data)
u16 *reg = ®s[i];
int err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_DATA1 + i, reg);
if (err)
return err;
}
@@ -221,7 +223,7 @@ static int mv88e6390_g1_vtu_data_write(struct mv88e6xxx_chip *chip, u8 *data)
u16 reg = regs[i];
int err;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_VTU_DATA1 + i, reg);
if (err)
return err;
}
@@ -240,7 +242,7 @@ static int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
if (err)
return err;
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_GET_NEXT);
+ err = mv88e6xxx_g1_vtu_op(chip, MV88E6XXX_G1_VTU_OP_STU_GET_NEXT);
if (err)
return err;
@@ -295,7 +297,7 @@ static int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
return err;
}
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_GET_NEXT);
+ err = mv88e6xxx_g1_vtu_op(chip, MV88E6XXX_G1_VTU_OP_VTU_GET_NEXT);
if (err)
return err;
@@ -320,7 +322,7 @@ int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
/* VTU DBNum[3:0] are located in VTU Operation 3:0
* VTU DBNum[7:4] are located in VTU Operation 11:8
*/
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_OP, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_VTU_OP, &val);
if (err)
return err;
@@ -394,7 +396,7 @@ int mv88e6390_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
- u16 op = GLOBAL_VTU_OP_VTU_LOAD_PURGE;
+ u16 op = MV88E6XXX_G1_VTU_OP_VTU_LOAD_PURGE;
int err;
err = mv88e6xxx_g1_vtu_op_wait(chip);
@@ -444,7 +446,8 @@ int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
return err;
/* Load STU entry */
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ err = mv88e6xxx_g1_vtu_op(chip,
+ MV88E6XXX_G1_VTU_OP_STU_LOAD_PURGE);
if (err)
return err;
@@ -454,7 +457,7 @@ int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
}
/* Load/Purge VTU entry */
- return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_LOAD_PURGE);
+ return mv88e6xxx_g1_vtu_op(chip, MV88E6XXX_G1_VTU_OP_VTU_LOAD_PURGE);
}
int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
@@ -481,7 +484,8 @@ int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
return err;
/* Load STU entry */
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ err = mv88e6xxx_g1_vtu_op(chip,
+ MV88E6XXX_G1_VTU_OP_STU_LOAD_PURGE);
if (err)
return err;
@@ -496,7 +500,7 @@ int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
}
/* Load/Purge VTU entry */
- return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_LOAD_PURGE);
+ return mv88e6xxx_g1_vtu_op(chip, MV88E6XXX_G1_VTU_OP_VTU_LOAD_PURGE);
}
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
@@ -507,5 +511,5 @@ int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
if (err)
return err;
- return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_FLUSH_ALL);
+ return mv88e6xxx_g1_vtu_op(chip, MV88E6XXX_G1_VTU_OP_FLUSH_ALL);
}
--
2.13.1
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