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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/dev/broadcom/brcm80211/brcmfmac/flowring.h
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// 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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#if defined(__linux__)

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				u8 peer[ETH_ALEN]);

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#elif defined(__FreeBSD__)

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				const u8 peer[ETH_ALEN]);

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#endif

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void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,

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#if defined(__linux__)

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				  u8 peer[ETH_ALEN]);

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#elif defined(__FreeBSD__)

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				  const u8 peer[ETH_ALEN]);

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#endif

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#endif /* BRCMFMAC_FLOWRING_H */

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