brcm80211/brcmfmac/flowring.h

0001 // SPDX-License-Identifier: ISC
0002 /*
0003  * Copyright (c) 2014 Broadcom Corporation
0004  */
0005 #ifndef BRCMFMAC_FLOWRING_H
0006 #define BRCMFMAC_FLOWRING_H
0007
0008
0009 #define BRCMF_FLOWRING_HASHSIZE     512     /* has to be 2^x */
0010 #define BRCMF_FLOWRING_INVALID_ID   0xFFFFFFFF
0011
0012
0013 struct brcmf_flowring_hash {
0014     u8 mac[ETH_ALEN];
0015     u8 fifo;
0016     u8 ifidx;
0017     u16 flowid;
0018 };
0019
0020 enum ring_status {
0021     RING_CLOSED,
0022     RING_CLOSING,
0023     RING_OPEN
0024 };
0025
0026 struct brcmf_flowring_ring {
0027     u16 hash_id;
0028     bool blocked;
0029     enum ring_status status;
0030     struct sk_buff_head skblist;
0031 };
0032
0033 struct brcmf_flowring_tdls_entry {
0034     u8 mac[ETH_ALEN];
0035     struct brcmf_flowring_tdls_entry *next;
0036 };
0037
0038 struct brcmf_flowring {
0039     struct device *dev;
0040     struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE];
0041     struct brcmf_flowring_ring **rings;
0042     spinlock_t block_lock;
0043     enum proto_addr_mode addr_mode[BRCMF_MAX_IFS];
0044     u16 nrofrings;
0045     bool tdls_active;
0046     struct brcmf_flowring_tdls_entry *tdls_entry;
0047 };
0048
0049
0050 u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
0051               u8 prio, u8 ifidx);
0052 u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN],
0053               u8 prio, u8 ifidx);
0054 void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid);
0055 void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid);
0056 u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid);
0057 u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid,
0058                struct sk_buff *skb);
0059 struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid);
0060 void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid,
0061                  struct sk_buff *skb);
0062 u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid);
0063 u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid);
0064 struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings);
0065 void brcmf_flowring_detach(struct brcmf_flowring *flow);
0066 void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx,
0067                     enum proto_addr_mode addr_mode);
0068 void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx,
0069                 u8 peer[ETH_ALEN]);
0070 void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx,
0071                   u8 peer[ETH_ALEN]);
0072
0073
0074 #endif /* BRCMFMAC_FLOWRING_H */