diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-01-07 16:42:29 +0200 |
|---|---|---|
| committer | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-05-04 15:24:52 +0200 |
| commit | 25488e75473abe3bc042061711eede2a98ef2e94 (patch) | |
| tree | 51372f75c64af8947854228014fe5525add00c1f | |
| parent | 8a111f49dc1a4b3b4da3fec3e15839c9d700eb46 (diff) | |
net: dsa: felix: add port fast age support
Add support for flushing the MAC table on a given port in the ocelot
switch library, and use this functionality in the felix DSA driver.
This operation is needed when a port leaves a bridge to become
standalone, and when the learning is disabled, and when the STP state
changes to a state where no FDB entry should be present.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220107144229.244584-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
(cherry picked from commit 5cad43a52ee3caf451cd645baa4beb53a1733dae)
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
| -rw-r--r-- | drivers/net/dsa/ocelot/felix.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.c | 37 | ||||
| -rw-r--r-- | include/soc/mscc/ocelot.h | 1 |
3 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 845026346c02..4e68ef4545e2 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -639,6 +639,17 @@ static int felix_set_ageing_time(struct dsa_switch *ds, return 0; } +static void felix_port_fast_age(struct dsa_switch *ds, int port) +{ + struct ocelot *ocelot = ds->priv; + int err; + + err = ocelot_mact_flush(ocelot, port); + if (err) + dev_err(ds->dev, "Flushing MAC table on port %d returned %pe\n", + port, ERR_PTR(err)); +} + static int felix_fdb_dump(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb, void *data) { @@ -1622,6 +1633,7 @@ const struct dsa_switch_ops felix_switch_ops = { .phylink_mac_config = felix_phylink_mac_config, .phylink_mac_link_down = felix_phylink_mac_link_down, .phylink_mac_link_up = felix_phylink_mac_link_up, + .port_fast_age = felix_port_fast_age, .port_fdb_dump = felix_fdb_dump, .port_fdb_add = felix_fdb_add, .port_fdb_del = felix_fdb_del, diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 9cdeb994a95d..a7269c2fcbcf 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1329,6 +1329,43 @@ static int ocelot_mact_read(struct ocelot *ocelot, int port, int row, int col, return 0; } +int ocelot_mact_flush(struct ocelot *ocelot, int port) +{ + int err; + + mutex_lock(&ocelot->mact_lock); + + /* Program ageing filter for a single port */ + ocelot_write(ocelot, ANA_ANAGEFIL_PID_EN | ANA_ANAGEFIL_PID_VAL(port), + ANA_ANAGEFIL); + + /* Flushing dynamic FDB entries requires two successive age scans */ + ocelot_write(ocelot, + ANA_TABLES_MACACCESS_MAC_TABLE_CMD(MACACCESS_CMD_AGE), + ANA_TABLES_MACACCESS); + + err = ocelot_mact_wait_for_completion(ocelot); + if (err) { + mutex_unlock(&ocelot->mact_lock); + return err; + } + + /* And second... */ + ocelot_write(ocelot, + ANA_TABLES_MACACCESS_MAC_TABLE_CMD(MACACCESS_CMD_AGE), + ANA_TABLES_MACACCESS); + + err = ocelot_mact_wait_for_completion(ocelot); + + /* Restore ageing filter */ + ocelot_write(ocelot, 0, ANA_ANAGEFIL); + + mutex_unlock(&ocelot->mact_lock); + + return err; +} +EXPORT_SYMBOL_GPL(ocelot_mact_flush); + int ocelot_fdb_dump(struct ocelot *ocelot, int port, dsa_fdb_dump_cb_t *cb, void *data) { diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index 33f2e8c9e88b..6896614fd27c 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -827,6 +827,7 @@ void ocelot_port_bridge_join(struct ocelot *ocelot, int port, struct net_device *bridge); void ocelot_port_bridge_leave(struct ocelot *ocelot, int port, struct net_device *bridge); +int ocelot_mact_flush(struct ocelot *ocelot, int port); int ocelot_fdb_dump(struct ocelot *ocelot, int port, dsa_fdb_dump_cb_t *cb, void *data); int ocelot_fdb_add(struct ocelot *ocelot, int port, |