85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/* Copyright (c) 2014 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef BRCMFMAC_FLOWRING_H
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#define BRCMFMAC_FLOWRING_H
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#define BRCMF_FLOWRING_HASHSIZE 512 /* has to be 2^x */
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#define BRCMF_FLOWRING_INVALID_ID 0xFFFFFFFF
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struct brcmf_flowring_hash {
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u8 mac[ETH_ALEN];
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u8 fifo;
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u8 ifidx;
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u16 flowid;
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};
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enum ring_status {
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RING_CLOSED,
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RING_CLOSING,
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RING_OPEN
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};
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struct brcmf_flowring_ring {
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u16 hash_id;
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bool blocked;
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enum ring_status status;
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struct sk_buff_head skblist;
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};
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struct brcmf_flowring_tdls_entry {
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u8 mac[ETH_ALEN];
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struct brcmf_flowring_tdls_entry *next;
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};
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struct brcmf_flowring {
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struct device *dev;
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struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
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struct brcmf_flowring_ring **rings;
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spinlock_t block_lock;
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enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
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u16 nrofrings;
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bool tdls_active;
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struct brcmf_flowring_tdls_entry *tdls_entry;
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};
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u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
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u8 prio, u8 ifidx);
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u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
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u8 prio, u8 ifidx);
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void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
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void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
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u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
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u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
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struct sk_buff *skb);
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struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
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void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
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struct sk_buff *skb);
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u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
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u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
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struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
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void brcmf_flowring_detach(struct brcmf_flowring *flow);
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void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
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enum proto_addr_mode addr_mode);
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void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
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u8 peer[ETH_ALEN]);
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void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
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u8 peer[ETH_ALEN]);
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#endif /* BRCMFMAC_FLOWRING_H */
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