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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) 2019 Chelsio Communications. All rights reserved. */3 4#ifndef __CXGB4_TC_MQPRIO_H__5#define __CXGB4_TC_MQPRIO_H__6 7#include <net/pkt_sched.h>8 9#define CXGB4_EOSW_TXQ_DEFAULT_DESC_NUM 12810 11#define CXGB4_EOHW_TXQ_DEFAULT_DESC_NUM 102412 13#define CXGB4_EOHW_RXQ_DEFAULT_DESC_NUM 102414#define CXGB4_EOHW_RXQ_DEFAULT_DESC_SIZE 6415#define CXGB4_EOHW_RXQ_DEFAULT_INTR_USEC 516#define CXGB4_EOHW_RXQ_DEFAULT_PKT_CNT 817 18#define CXGB4_EOHW_FLQ_DEFAULT_DESC_NUM 7219 20#define CXGB4_FLOWC_WAIT_TIMEOUT (5 * HZ)21 22enum cxgb4_mqprio_state {23 CXGB4_MQPRIO_STATE_DISABLED = 0,24 CXGB4_MQPRIO_STATE_ACTIVE,25};26 27struct cxgb4_tc_port_mqprio {28 enum cxgb4_mqprio_state state; /* Current MQPRIO offload state */29 struct tc_mqprio_qopt_offload mqprio; /* MQPRIO offload params */30 struct sge_eosw_txq *eosw_txq; /* Netdev SW Tx queue array */31 u8 tc_hwtc_map[TC_QOPT_MAX_QUEUE]; /* MQPRIO tc to hardware tc map */32};33 34struct cxgb4_tc_mqprio {35 refcount_t refcnt; /* Refcount for adapter-wide resources */36 struct mutex mqprio_mutex; /* Lock for accessing MQPRIO info */37 struct cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */38};39 40int cxgb4_setup_tc_mqprio(struct net_device *dev,41 struct tc_mqprio_qopt_offload *mqprio);42void cxgb4_mqprio_stop_offload(struct adapter *adap);43int cxgb4_init_tc_mqprio(struct adapter *adap);44void cxgb4_cleanup_tc_mqprio(struct adapter *adap);45#endif /* __CXGB4_TC_MQPRIO_H__ */46