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 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 | |