linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
<<
>>
Prefs
   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
  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 cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */
  37};
  38
  39int cxgb4_setup_tc_mqprio(struct net_device *dev,
  40                          struct tc_mqprio_qopt_offload *mqprio);
  41int cxgb4_init_tc_mqprio(struct adapter *adap);
  42void cxgb4_cleanup_tc_mqprio(struct adapter *adap);
  43#endif /* __CXGB4_TC_MQPRIO_H__ */
  44