Release 4.11 drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.h

/* 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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Directory: drivers/net/wireless/broadcom/brcm80211/brcmfmac

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