diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h new file mode 100644 index 0000000000..d4a862a9fd --- /dev/null +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (C) 2019 Chelsio Communications. All rights reserved. */ + +#ifndef __CXGB4_TC_MQPRIO_H__ +#define __CXGB4_TC_MQPRIO_H__ + +#include <net/pkt_sched.h> + +#define CXGB4_EOSW_TXQ_DEFAULT_DESC_NUM 128 + +#define CXGB4_EOHW_TXQ_DEFAULT_DESC_NUM 1024 + +#define CXGB4_EOHW_RXQ_DEFAULT_DESC_NUM 1024 +#define CXGB4_EOHW_RXQ_DEFAULT_DESC_SIZE 64 +#define CXGB4_EOHW_RXQ_DEFAULT_INTR_USEC 5 +#define CXGB4_EOHW_RXQ_DEFAULT_PKT_CNT 8 + +#define CXGB4_EOHW_FLQ_DEFAULT_DESC_NUM 72 + +#define CXGB4_FLOWC_WAIT_TIMEOUT (5 * HZ) + +enum cxgb4_mqprio_state { + CXGB4_MQPRIO_STATE_DISABLED = 0, + CXGB4_MQPRIO_STATE_ACTIVE, +}; + +struct cxgb4_tc_port_mqprio { + enum cxgb4_mqprio_state state; /* Current MQPRIO offload state */ + struct tc_mqprio_qopt_offload mqprio; /* MQPRIO offload params */ + struct sge_eosw_txq *eosw_txq; /* Netdev SW Tx queue array */ + u8 tc_hwtc_map[TC_QOPT_MAX_QUEUE]; /* MQPRIO tc to hardware tc map */ +}; + +struct cxgb4_tc_mqprio { + refcount_t refcnt; /* Refcount for adapter-wide resources */ + struct mutex mqprio_mutex; /* Lock for accessing MQPRIO info */ + struct cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */ +}; + +int cxgb4_setup_tc_mqprio(struct net_device *dev, + struct tc_mqprio_qopt_offload *mqprio); +void cxgb4_mqprio_stop_offload(struct adapter *adap); +int cxgb4_init_tc_mqprio(struct adapter *adap); +void cxgb4_cleanup_tc_mqprio(struct adapter *adap); +#endif /* __CXGB4_TC_MQPRIO_H__ */ |