nexmon – Blame information for rev 1

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1 office 1 /* Copyright (c) 2014 Broadcom Corporation
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
14 */
15 #ifndef BRCMFMAC_FLOWRING_H
16 #define BRCMFMAC_FLOWRING_H
17  
18  
19 #define BRCMF_FLOWRING_HASHSIZE 512 /* has to be 2^x */
20 #define BRCMF_FLOWRING_INVALID_ID 0xFFFFFFFF
21  
22  
23 struct brcmf_flowring_hash {
24 u8 mac[ETH_ALEN];
25 u8 fifo;
26 u8 ifidx;
27 u16 flowid;
28 };
29  
30 enum ring_status {
31 RING_CLOSED,
32 RING_CLOSING,
33 RING_OPEN
34 };
35  
36 struct brcmf_flowring_ring {
37 u16 hash_id;
38 bool blocked;
39 enum ring_status status;
40 struct sk_buff_head skblist;
41 };
42  
43 struct brcmf_flowring_tdls_entry {
44 u8 mac[ETH_ALEN];
45 struct brcmf_flowring_tdls_entry *next;
46 };
47  
48 struct brcmf_flowring {
49 struct device *dev;
50 struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
51 struct brcmf_flowring_ring **rings;
52 spinlock_t block_lock;
53 enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
54 u16 nrofrings;
55 bool tdls_active;
56 struct brcmf_flowring_tdls_entry *tdls_entry;
57 };
58  
59  
60 u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
61 u8 prio, u8 ifidx);
62 u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
63 u8 prio, u8 ifidx);
64 void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
65 void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
66 u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
67 u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
68 struct sk_buff *skb);
69 struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
70 void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
71 struct sk_buff *skb);
72 u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
73 u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
74 struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
75 void brcmf_flowring_detach(struct brcmf_flowring *flow);
76 void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
77 enum proto_addr_mode addr_mode);
78 void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
79 u8 peer[ETH_ALEN]);
80 void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
81 u8 peer[ETH_ALEN]);
82  
83  
84 #endif /* BRCMFMAC_FLOWRING_H */