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_cls.h> 8 9 #define CXGB4_EOSW_TXQ_DEFAULT_DESC_NUM 128 10 11 #define CXGB4_EOHW_TXQ_DEFAULT_DESC_NUM 1024 12 13 #define CXGB4_EOHW_RXQ_DEFAULT_DESC_NUM 1024 14 #define CXGB4_EOHW_RXQ_DEFAULT_DESC_SIZE 64 15 #define CXGB4_EOHW_RXQ_DEFAULT_INTR_USEC 5 16 #define CXGB4_EOHW_RXQ_DEFAULT_PKT_CNT 8 17 18 #define CXGB4_EOHW_FLQ_DEFAULT_DESC_NUM 72 19 20 #define CXGB4_FLOWC_WAIT_TIMEOUT (5 * HZ) 21 22 enum cxgb4_mqprio_state { 23 CXGB4_MQPRIO_STATE_DISABLED = 0, 24 CXGB4_MQPRIO_STATE_ACTIVE, 25 }; 26 27 struct 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 34 struct 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 40 int cxgb4_setup_tc_mqprio(struct net_device *dev, 41 struct tc_mqprio_qopt_offload *mqprio); 42 void cxgb4_mqprio_stop_offload(struct adapter *adap); 43 int cxgb4_init_tc_mqprio(struct adapter *adap); 44 void cxgb4_cleanup_tc_mqprio(struct adapter *adap); 45 #endif /* __CXGB4_TC_MQPRIO_H__ */ 46