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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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