diff options
| author | Daniel Machon <daniel.machon@microchip.com> | 2022-09-20 12:14:30 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-09-23 09:53:10 +0100 |
| commit | e02a5ac6bf7763edcd9590b98a14dd17f49a5248 (patch) | |
| tree | 0c72718c4ccc6a935ad026141b089c3e5d58fac4 /drivers/net/ethernet/microchip/sparx5/sparx5_qos.h | |
| parent | ab0e493e75bde65579bf17a4e1e5a01f781146a7 (diff) | |
net: microchip: sparx5: add support for offloading tbf qdisc
Add support for offloading tbf qdisc to sparx5 qdisc.
The tbf qdisc makes it possible to attach a shaper on traffic egressing
from a port or a queue. Per-port tbf qdiscs are attached as a root qdisc
directly and queue tbf qdiscs are attached to one of the classes of a
parent qdisc (such as mqprio).
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/microchip/sparx5/sparx5_qos.h')
| -rw-r--r-- | drivers/net/ethernet/microchip/sparx5/sparx5_qos.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h index 0572fb41c949..49662ad86018 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h @@ -9,8 +9,59 @@ #include <linux/netdevice.h> +/* Number of Layers */ +#define SPX5_HSCH_LAYER_CNT 3 + +/* Scheduling elements per layer */ +#define SPX5_HSCH_L0_SE_CNT 5040 +#define SPX5_HSCH_L1_SE_CNT 64 +#define SPX5_HSCH_L2_SE_CNT 64 + +/* Calculate Layer 0 Scheduler Element when using normal hierarchy */ +#define SPX5_HSCH_L0_GET_IDX(port, queue) ((64 * (port)) + (8 * (queue))) + +/* Number of leak groups */ +#define SPX5_HSCH_LEAK_GRP_CNT 4 + +/* Scheduler modes */ +#define SPX5_SE_MODE_LINERATE 0 +#define SPX5_SE_MODE_DATARATE 1 + +/* Rate and burst */ +#define SPX5_SE_RATE_MAX 262143 +#define SPX5_SE_BURST_MAX 127 +#define SPX5_SE_RATE_MIN 1 +#define SPX5_SE_BURST_MIN 1 +#define SPX5_SE_BURST_UNIT 4096 + +struct sparx5_shaper { + u32 mode; + u32 rate; + u32 burst; +}; + +struct sparx5_lg { + u32 max_rate; + u32 resolution; + u32 leak_time; + u32 max_ses; +}; + +struct sparx5_layer { + struct sparx5_lg leak_groups[SPX5_HSCH_LEAK_GRP_CNT]; +}; + +int sparx5_qos_init(struct sparx5 *sparx5); + /* Multi-Queue Priority */ int sparx5_tc_mqprio_add(struct net_device *ndev, u8 num_tc); int sparx5_tc_mqprio_del(struct net_device *ndev); +/* Token Bucket Filter */ +struct tc_tbf_qopt_offload_replace_params; +int sparx5_tc_tbf_add(struct sparx5_port *port, + struct tc_tbf_qopt_offload_replace_params *params, + u32 layer, u32 idx); +int sparx5_tc_tbf_del(struct sparx5_port *port, u32 layer, u32 idx); + #endif /* __SPARX5_QOS_H__ */ |