// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2014 Broadcom Corporation
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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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