diff options
Diffstat (limited to 'drivers/net/mrvl/mrvl_qos.h')
| -rw-r--r-- | drivers/net/mrvl/mrvl_qos.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/net/mrvl/mrvl_qos.h b/drivers/net/mrvl/mrvl_qos.h new file mode 100644 index 00000000..ae7508c9 --- /dev/null +++ b/drivers/net/mrvl/mrvl_qos.h @@ -0,0 +1,113 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2017 Marvell International Ltd. + * Copyright(c) 2017 Semihalf. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MRVL_QOS_H_ +#define _MRVL_QOS_H_ + +#include <rte_common.h> + +#include "mrvl_ethdev.h" + +/** Code Points per Traffic Class. Equals max(DSCP, PCP). */ +#define MRVL_CP_PER_TC (64) + +/** Value used as "unknown". */ +#define MRVL_UNKNOWN_TC (0xFF) + +/* QoS config. */ +struct mrvl_qos_cfg { + struct port_cfg { + struct { + uint8_t inq[MRVL_PP2_RXQ_MAX]; + uint8_t dscp[MRVL_CP_PER_TC]; + uint8_t pcp[MRVL_CP_PER_TC]; + uint8_t inqs; + uint8_t dscps; + uint8_t pcps; + } tc[MRVL_PP2_TC_MAX]; + struct { + uint8_t weight; + } outq[MRVL_PP2_RXQ_MAX]; + enum pp2_cls_qos_tbl_type mapping_priority; + uint16_t inqs; + uint16_t outqs; + uint8_t default_tc; + uint8_t use_global_defaults; + } port[RTE_MAX_ETHPORTS]; +}; + +/** Global QoS configuration. */ +extern struct mrvl_qos_cfg *mrvl_qos_cfg; + +/** + * Parse QoS configuration - rte_kvargs_process handler. + * + * Opens configuration file and parses its content. + * + * @param key Unused. + * @param path Path to config file. + * @param extra_args Pointer to configuration structure. + * @returns 0 in case of success, exits otherwise. + */ +int +mrvl_get_qoscfg(const char *key __rte_unused, const char *path, + void *extra_args); + +/** + * Configure RX Queues in a given port. + * + * Sets up RX queues, their Traffic Classes and DPDK rxq->(TC,inq) mapping. + * + * @param priv Port's private data + * @param portid DPDK port ID + * @param max_queues Maximum number of queues to configure. + * @returns 0 in case of success, negative value otherwise. + */ +int +mrvl_configure_rxqs(struct mrvl_priv *priv, uint16_t portid, + uint16_t max_queues); + +/** + * Start QoS mapping. + * + * Finalize QoS table configuration and initialize it in SDK. It can be done + * only after port is started, so we have a valid ppio reference. + * + * @param priv Port's private (configuration) data. + * @returns 0 in case of success, exits otherwise. + */ +int +mrvl_start_qos_mapping(struct mrvl_priv *priv); + +#endif /* _MRVL_QOS_H_ */ |