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