LXR linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.h

   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 */
  75