diff options
| author | Po Liu <po.liu@nxp.com> | 2019-11-15 03:33:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-16 12:49:16 -0800 |
| commit | 34c6adf1977b611fca3b824ad12a2a415e1e420e (patch) | |
| tree | b2f974fcde2faedca773c20a16d2ce051ba868a1 /drivers/net/ethernet/freescale/enetc/enetc.c | |
| parent | c3f812cea0d7006469d1cf33a4a9f0a12bb4b3a3 (diff) | |
| download | lwn-34c6adf1977b611fca3b824ad12a2a415e1e420e.tar.gz lwn-34c6adf1977b611fca3b824ad12a2a415e1e420e.zip | |
enetc: Configure the Time-Aware Scheduler via tc-taprio offload
ENETC supports in hardware for time-based egress shaping according
to IEEE 802.1Qbv. This patch implement the Qbv enablement by the
hardware offload method qdisc tc-taprio method.
Also update cbdr writeback to up level since control bd ring may
writeback data to control bd ring.
Signed-off-by: Po Liu <Po.Liu@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 3e8f9819f08c..d58dbc2c4270 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1427,8 +1427,7 @@ int enetc_close(struct net_device *ndev) return 0; } -int enetc_setup_tc(struct net_device *ndev, enum tc_setup_type type, - void *type_data) +int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data) { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct tc_mqprio_qopt *mqprio = type_data; @@ -1436,9 +1435,6 @@ int enetc_setup_tc(struct net_device *ndev, enum tc_setup_type type, u8 num_tc; int i; - if (type != TC_SETUP_QDISC_MQPRIO) - return -EOPNOTSUPP; - mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS; num_tc = mqprio->num_tc; @@ -1483,6 +1479,19 @@ int enetc_setup_tc(struct net_device *ndev, enum tc_setup_type type, return 0; } +int enetc_setup_tc(struct net_device *ndev, enum tc_setup_type type, + void *type_data) +{ + switch (type) { + case TC_SETUP_QDISC_MQPRIO: + return enetc_setup_tc_mqprio(ndev, type_data); + case TC_SETUP_QDISC_TAPRIO: + return enetc_setup_tc_taprio(ndev, type_data); + default: + return -EOPNOTSUPP; + } +} + struct net_device_stats *enetc_get_stats(struct net_device *ndev) { struct enetc_ndev_priv *priv = netdev_priv(ndev); |