xref: /linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.h (revision 6a143a7cf94730f57544ea14a987dc025364dbb8)
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 
9 enum cxgb4_matchall_state {
10 	CXGB4_MATCHALL_STATE_DISABLED = 0,
11 	CXGB4_MATCHALL_STATE_ENABLED,
12 };
13 
14 struct 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 
20 struct 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 
31 struct 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 
36 struct cxgb4_tc_matchall {
37 	struct cxgb4_tc_port_matchall *port_matchall; /* Per port entry */
38 };
39 
40 int cxgb4_tc_matchall_replace(struct net_device *dev,
41 			      struct tc_cls_matchall_offload *cls_matchall,
42 			      bool ingress);
43 int cxgb4_tc_matchall_destroy(struct net_device *dev,
44 			      struct tc_cls_matchall_offload *cls_matchall,
45 			      bool ingress);
46 int cxgb4_tc_matchall_stats(struct net_device *dev,
47 			    struct tc_cls_matchall_offload *cls_matchall);
48 
49 int cxgb4_init_tc_matchall(struct adapter *adap);
50 void cxgb4_cleanup_tc_matchall(struct adapter *adap);
51 #endif /* __CXGB4_TC_MATCHALL_H__ */
52