diff options
Diffstat (limited to 'drivers/net/dsa/sja1105/sja1105_tas.c')
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_tas.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_tas.c b/drivers/net/dsa/sja1105/sja1105_tas.c index e6153848a950..d7818710bc02 100644 --- a/drivers/net/dsa/sja1105/sja1105_tas.c +++ b/drivers/net/dsa/sja1105/sja1105_tas.c @@ -516,10 +516,11 @@ int sja1105_setup_tc_taprio(struct dsa_switch *ds, int port, /* Can't change an already configured port (must delete qdisc first). * Can't delete the qdisc from an unconfigured port. */ - if (!!tas_data->offload[port] == admin->enable) + if ((!!tas_data->offload[port] && admin->cmd == TAPRIO_CMD_REPLACE) || + (!tas_data->offload[port] && admin->cmd == TAPRIO_CMD_DESTROY)) return -EINVAL; - if (!admin->enable) { + if (admin->cmd == TAPRIO_CMD_DESTROY) { taprio_offload_free(tas_data->offload[port]); tas_data->offload[port] = NULL; @@ -528,6 +529,8 @@ int sja1105_setup_tc_taprio(struct dsa_switch *ds, int port, return rc; return sja1105_static_config_reload(priv, SJA1105_SCHEDULING); + } else if (admin->cmd != TAPRIO_CMD_REPLACE) { + return -EOPNOTSUPP; } /* The cycle time extension is the amount of time the last cycle from |