1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (C) 2019 Chelsio Communications. All rights reserved. */
3
4#ifndef __CXGB4_TC_MATCHALL_H__
5#define __CXGB4_TC_MATCHALL_H__
6
7#include <net/pkt_cls.h>
8
9enum cxgb4_matchall_state {
10 CXGB4_MATCHALL_STATE_DISABLED = 0,
11 CXGB4_MATCHALL_STATE_ENABLED,
12};
13
14struct cxgb4_matchall_egress_entry {
15 enum cxgb4_matchall_state state; /* Current MATCHALL offload state */
16 u8 hwtc; /* Traffic class bound to port */
17 u64 cookie; /* Used to identify the MATCHALL rule offloaded */
18};
19
20struct cxgb4_matchall_ingress_entry {
21 enum cxgb4_matchall_state state; /* Current MATCHALL offload state */
22 u32 tid[CXGB4_FILTER_TYPE_MAX]; /* Index to hardware filter entries */
23 /* Filter entries */
24 struct ch_filter_specification fs[CXGB4_FILTER_TYPE_MAX];
25 u16 viid_mirror; /* Identifier for allocated Mirror VI */
26 u64 bytes; /* # of bytes hitting the filter */
27 u64 packets; /* # of packets hitting the filter */
28 u64 last_used; /* Last updated jiffies time */
29};
30
31struct cxgb4_tc_port_matchall {
32 struct cxgb4_matchall_egress_entry egress; /* Egress offload info */
33 struct cxgb4_matchall_ingress_entry ingress; /* Ingress offload info */
34};
35
36struct cxgb4_tc_matchall {
37 struct cxgb4_tc_port_matchall *port_matchall; /* Per port entry */
38};
39
40int cxgb4_tc_matchall_replace(struct net_device *dev,
41 struct tc_cls_matchall_offload *cls_matchall,
42 bool ingress);
43int cxgb4_tc_matchall_destroy(struct net_device *dev,
44 struct tc_cls_matchall_offload *cls_matchall,
45 bool ingress);
46int cxgb4_tc_matchall_stats(struct net_device *dev,
47 struct tc_cls_matchall_offload *cls_matchall);
48
49int cxgb4_init_tc_matchall(struct adapter *adap);
50void cxgb4_cleanup_tc_matchall(struct adapter *adap);
51#endif /* __CXGB4_TC_MATCHALL_H__ */
52

source code of linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.h