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authorVivien Didelot <vivien.didelot@savoirfairelinux.com>2017-05-01 14:05:25 -0400
committerDavid S. Miller <davem@davemloft.net>2017-05-01 15:03:13 -0400
commit567aa59a8b055bb5853bc7e5d5f8ac191216c9c7 (patch)
treee04d79b3ceacd29adb8f3c7c2d8655733d07468e /drivers
parentbf7d71c0451776143cdbd9a42a5bcbd6478da3c8 (diff)
downloadlinux-567aa59a8b055bb5853bc7e5d5f8ac191216c9c7.tar.bz2
net: dsa: mv88e6xxx: simplify VTU entry getter
Make the code which fetches or initializes a new VTU entry more concise. This allows us the get rid of the old underscore prefix naming. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c62
1 files changed, 24 insertions, 38 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 51c8b2ff9760..aede0194e341 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1359,33 +1359,8 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
return mv88e6xxx_g1_atu_flush(chip, *fid, true);
}
-static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
- struct mv88e6xxx_vtu_entry *entry)
-{
- struct dsa_switch *ds = chip->ds;
- struct mv88e6xxx_vtu_entry vlan = {
- .valid = true,
- .vid = vid,
- };
- int i, err;
-
- err = mv88e6xxx_atu_new(chip, &vlan.fid);
- if (err)
- return err;
-
- /* exclude all ports except the CPU and DSA ports */
- for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
- vlan.member[i] = dsa_is_cpu_port(ds, i) ||
- dsa_is_dsa_port(ds, i)
- ? GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED
- : GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
-
- *entry = vlan;
- return 0;
-}
-
-static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
- struct mv88e6xxx_vtu_entry *entry, bool creat)
+static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
+ struct mv88e6xxx_vtu_entry *entry, bool new)
{
int err;
@@ -1399,17 +1374,28 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
if (err)
return err;
- if (entry->vid != vid || !entry->valid) {
- if (!creat)
- return -EOPNOTSUPP;
- /* -ENOENT would've been more appropriate, but switchdev expects
- * -EOPNOTSUPP to inform bridge about an eventual software VLAN.
- */
+ if (entry->vid == vid && entry->valid)
+ return 0;
+
+ if (new) {
+ int i;
+
+ /* Initialize a fresh VLAN entry */
+ memset(entry, 0, sizeof(*entry));
+ entry->valid = true;
+ entry->vid = vid;
- err = _mv88e6xxx_vtu_new(chip, vid, entry);
+ /* Include only CPU and DSA ports */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
+ entry->member[i] = dsa_is_normal_port(chip->ds, i) ?
+ GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER :
+ GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED;
+
+ return mv88e6xxx_atu_new(chip, &entry->fid);
}
- return err;
+ /* switchdev expects -EOPNOTSUPP to honor software VLANs */
+ return -EOPNOTSUPP;
}
static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
@@ -1519,7 +1505,7 @@ static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
struct mv88e6xxx_vtu_entry vlan;
int err;
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, true);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, true);
if (err)
return err;
@@ -1564,7 +1550,7 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry vlan;
int i, err;
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, false);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
if (err)
return err;
@@ -1639,7 +1625,7 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
if (vid == 0)
err = mv88e6xxx_port_get_fid(chip, port, &vlan.fid);
else
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, false);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
if (err)
return err;