1// SPDX-License-Identifier: ISC
 2/*
 3 * Copyright (c) 2014 Broadcom Corporation
 4 */
 5#ifndef BRCMFMAC_FLOWRING_H
 6#define BRCMFMAC_FLOWRING_H
 7
 8
 9#define BRCMF_FLOWRING_HASHSIZE		512		/* has to be 2^x */
10#define BRCMF_FLOWRING_INVALID_ID	0xFFFFFFFF
11
12
13struct brcmf_flowring_hash {
14	u8 mac[ETH_ALEN];
15	u8 fifo;
16	u8 ifidx;
17	u16 flowid;
18};
19
20enum ring_status {
21	RING_CLOSED,
22	RING_CLOSING,
23	RING_OPEN
24};
25
26struct brcmf_flowring_ring {
27	u16 hash_id;
28	bool blocked;
29	enum ring_status status;
30	struct sk_buff_head skblist;
31};
32
33struct brcmf_flowring_tdls_entry {
34	u8 mac[ETH_ALEN];
35	struct brcmf_flowring_tdls_entry *next;
36};
37
38struct brcmf_flowring {
39	struct device *dev;
40	struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
41	struct brcmf_flowring_ring **rings;
42	spinlock_t block_lock;
43	enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
44	u16 nrofrings;
45	bool tdls_active;
46	struct brcmf_flowring_tdls_entry *tdls_entry;
47};
48
49
50u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
51			  u8 prio, u8 ifidx);
52u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
53			  u8 prio, u8 ifidx);
54void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
55void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
56u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
57u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
58			   struct sk_buff *skb);
59struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
60void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
61			     struct sk_buff *skb);
62u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
63u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
64struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
65void brcmf_flowring_detach(struct brcmf_flowring *flow);
66void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
67					enum proto_addr_mode addr_mode);
68void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
69				u8 peer[ETH_ALEN]);
70void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
71				  u8 peer[ETH_ALEN]);
72
73
74#endif /* BRCMFMAC_FLOWRING_H */