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
  13 struct brcmf_flowring_hash {
  14         u8 mac[ETH_ALEN];
  15         u8 fifo;
  16         u8 ifidx;
  17         u16 flowid;
  18 };
  19
  20 enum ring_status {
  21         RING_CLOSED,
  22         RING_CLOSING,
  23         RING_OPEN
  24 };
  25
  26 struct brcmf_flowring_ring {
  27         u16 hash_id;
  28         bool blocked;
  29         enum ring_status status;
  30         struct sk_buff_head skblist;
  31 };
  32
  33 struct brcmf_flowring_tdls_entry {
  34         u8 mac[ETH_ALEN];
  35         struct brcmf_flowring_tdls_entry *next;
  36 };
  37
  38 struct 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
  50 u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
  51                           u8 prio, u8 ifidx);
  52 u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
  53                           u8 prio, u8 ifidx);
  54 void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
  55 void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
  56 u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
  57 u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
  58                            struct sk_buff *skb);
  59 struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
  60 void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
  61                              struct sk_buff *skb);
  62 u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
  63 u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
  64 struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
  65 void brcmf_flowring_detach(struct brcmf_flowring *flow);
  66 void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
  67                                         enum proto_addr_mode addr_mode);
  68 void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
  69                                 u8 peer[ETH_ALEN]);
  70 void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
  71                                   u8 peer[ETH_ALEN]);
  72
  73
  74 #endif /* BRCMFMAC_FLOWRING_H */