diff options
| author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2020-07-24 11:21:22 +1200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-24 20:03:27 -0700 |
| commit | 1baf0fac10fbe3084975d7cb0a4378eb18871482 (patch) | |
| tree | f84edf062292f1ded152fd31dd253ec1ad6098f2 /drivers/net/dsa/mv88e6xxx/chip.c | |
| parent | e8b34c67d6c10ee3f187469958af3fb36c9c3361 (diff) | |
net: dsa: mv88e6xxx: Use chip-wide max frame size for MTU
Some of the chips in the mv88e6xxx family don't support jumbo
configuration per port. But they do have a chip-wide max frame size that
can be used. Use this to approximate the behaviour of configuring a port
based MTU.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 43a2ab8cf2c8..b8a3e8c88c07 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2699,6 +2699,8 @@ static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port) if (chip->info->ops->port_set_jumbo_size) return 10240; + else if (chip->info->ops->set_max_frame_size) + return 1632; return 1522; } @@ -2710,6 +2712,8 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) mv88e6xxx_reg_lock(chip); if (chip->info->ops->port_set_jumbo_size) ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu); + else if (chip->info->ops->set_max_frame_size) + ret = chip->info->ops->set_max_frame_size(chip, new_mtu); else if (new_mtu > 1522) ret = -EINVAL; @@ -3450,6 +3454,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = { .vtu_getnext = mv88e6352_g1_vtu_getnext, .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6095_ops = { @@ -3478,6 +3483,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = { .vtu_getnext = mv88e6185_g1_vtu_getnext, .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6097_ops = { @@ -3515,6 +3521,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = { .vtu_getnext = mv88e6352_g1_vtu_getnext, .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6123_ops = { @@ -3549,6 +3556,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = { .vtu_getnext = mv88e6352_g1_vtu_getnext, .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6131_ops = { @@ -3938,6 +3946,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = { .vtu_getnext = mv88e6185_g1_vtu_getnext, .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6190_ops = { |