1b1396c2bSRahul Lakkireddy /* SPDX-License-Identifier: GPL-2.0-only */ 2b1396c2bSRahul Lakkireddy /* Copyright (C) 2019 Chelsio Communications. All rights reserved. */ 3b1396c2bSRahul Lakkireddy 4b1396c2bSRahul Lakkireddy #ifndef __CXGB4_TC_MQPRIO_H__ 5b1396c2bSRahul Lakkireddy #define __CXGB4_TC_MQPRIO_H__ 6b1396c2bSRahul Lakkireddy 7*9adafe2bSVladimir Oltean #include <net/pkt_sched.h> 8b1396c2bSRahul Lakkireddy 9b1396c2bSRahul Lakkireddy #define CXGB4_EOSW_TXQ_DEFAULT_DESC_NUM 128 10b1396c2bSRahul Lakkireddy 112d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_TXQ_DEFAULT_DESC_NUM 1024 122d0cb84dSRahul Lakkireddy 132d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_RXQ_DEFAULT_DESC_NUM 1024 142d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_RXQ_DEFAULT_DESC_SIZE 64 152d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_RXQ_DEFAULT_INTR_USEC 5 162d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_RXQ_DEFAULT_PKT_CNT 8 172d0cb84dSRahul Lakkireddy 182d0cb84dSRahul Lakkireddy #define CXGB4_EOHW_FLQ_DEFAULT_DESC_NUM 72 192d0cb84dSRahul Lakkireddy 200e395b3cSRahul Lakkireddy #define CXGB4_FLOWC_WAIT_TIMEOUT (5 * HZ) 210e395b3cSRahul Lakkireddy 22b1396c2bSRahul Lakkireddy enum cxgb4_mqprio_state { 23b1396c2bSRahul Lakkireddy CXGB4_MQPRIO_STATE_DISABLED = 0, 24b1396c2bSRahul Lakkireddy CXGB4_MQPRIO_STATE_ACTIVE, 25b1396c2bSRahul Lakkireddy }; 26b1396c2bSRahul Lakkireddy 27b1396c2bSRahul Lakkireddy struct cxgb4_tc_port_mqprio { 28b1396c2bSRahul Lakkireddy enum cxgb4_mqprio_state state; /* Current MQPRIO offload state */ 29b1396c2bSRahul Lakkireddy struct tc_mqprio_qopt_offload mqprio; /* MQPRIO offload params */ 30b1396c2bSRahul Lakkireddy struct sge_eosw_txq *eosw_txq; /* Netdev SW Tx queue array */ 310e395b3cSRahul Lakkireddy u8 tc_hwtc_map[TC_QOPT_MAX_QUEUE]; /* MQPRIO tc to hardware tc map */ 32b1396c2bSRahul Lakkireddy }; 33b1396c2bSRahul Lakkireddy 34b1396c2bSRahul Lakkireddy struct cxgb4_tc_mqprio { 352d0cb84dSRahul Lakkireddy refcount_t refcnt; /* Refcount for adapter-wide resources */ 365148e595SRahul Lakkireddy struct mutex mqprio_mutex; /* Lock for accessing MQPRIO info */ 37b1396c2bSRahul Lakkireddy struct cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */ 38b1396c2bSRahul Lakkireddy }; 39b1396c2bSRahul Lakkireddy 40b1396c2bSRahul Lakkireddy int cxgb4_setup_tc_mqprio(struct net_device *dev, 41b1396c2bSRahul Lakkireddy struct tc_mqprio_qopt_offload *mqprio); 42cef8dac9SRahul Lakkireddy void cxgb4_mqprio_stop_offload(struct adapter *adap); 43b1396c2bSRahul Lakkireddy int cxgb4_init_tc_mqprio(struct adapter *adap); 44b1396c2bSRahul Lakkireddy void cxgb4_cleanup_tc_mqprio(struct adapter *adap); 45b1396c2bSRahul Lakkireddy #endif /* __CXGB4_TC_MQPRIO_H__ */ 46