cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

flowring.h (2205B)

      1// SPDX-License-Identifier: ISC
      2/*
      3 * Copyright (c) 2014 Broadcom Corporation
      4 */
      5#ifndef BRCMFMAC_FLOWRING_H
      6#define BRCMFMAC_FLOWRING_H
      7
      8
      9#define BRCMF_FLOWRING_HASHSIZE		512		/* has to be 2^x */
     10#define BRCMF_FLOWRING_INVALID_ID	0xFFFFFFFF
     11
     12
     13struct brcmf_flowring_hash {
     14	u8 mac[ETH_ALEN];
     15	u8 fifo;
     16	u8 ifidx;
     17	u16 flowid;
     18};
     19
     20enum ring_status {
     21	RING_CLOSED,
     22	RING_CLOSING,
     23	RING_OPEN
     24};
     25
     26struct brcmf_flowring_ring {
     27	u16 hash_id;
     28	bool blocked;
     29	enum ring_status status;
     30	struct sk_buff_head skblist;
     31};
     32
     33struct brcmf_flowring_tdls_entry {
     34	u8 mac[ETH_ALEN];
     35	struct brcmf_flowring_tdls_entry *next;
     36};
     37
     38struct brcmf_flowring {
     39	struct device *dev;
     40	struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
     41	struct brcmf_flowring_ring **rings;
     42	spinlock_t block_lock;
     43	enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
     44	u16 nrofrings;
     45	bool tdls_active;
     46	struct brcmf_flowring_tdls_entry *tdls_entry;
     47};
     48
     49
     50u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
     51			  u8 prio, u8 ifidx);
     52u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
     53			  u8 prio, u8 ifidx);
     54void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
     55void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
     56u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
     57u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
     58			   struct sk_buff *skb);
     59struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
     60void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
     61			     struct sk_buff *skb);
     62u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
     63u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
     64struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
     65void brcmf_flowring_detach(struct brcmf_flowring *flow);
     66void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
     67					enum proto_addr_mode addr_mode);
     68void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
     69				u8 peer[ETH_ALEN]);
     70void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
     71				  u8 peer[ETH_ALEN]);
     72
     73
     74#endif /* BRCMFMAC_FLOWRING_H */