1*4882a593Smuzhiyun // SPDX-License-Identifier: ISC 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2014 Broadcom Corporation 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef BRCMFMAC_FLOWRING_H 6*4882a593Smuzhiyun #define BRCMFMAC_FLOWRING_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define BRCMF_FLOWRING_HASHSIZE 512 /* has to be 2^x */ 10*4882a593Smuzhiyun #define BRCMF_FLOWRING_INVALID_ID 0xFFFFFFFF 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct brcmf_flowring_hash { 14*4882a593Smuzhiyun u8 mac[ETH_ALEN]; 15*4882a593Smuzhiyun u8 fifo; 16*4882a593Smuzhiyun u8 ifidx; 17*4882a593Smuzhiyun u16 flowid; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun enum ring_status { 21*4882a593Smuzhiyun RING_CLOSED, 22*4882a593Smuzhiyun RING_CLOSING, 23*4882a593Smuzhiyun RING_OPEN 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct brcmf_flowring_ring { 27*4882a593Smuzhiyun u16 hash_id; 28*4882a593Smuzhiyun bool blocked; 29*4882a593Smuzhiyun enum ring_status status; 30*4882a593Smuzhiyun struct sk_buff_head skblist; 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct brcmf_flowring_tdls_entry { 34*4882a593Smuzhiyun u8 mac[ETH_ALEN]; 35*4882a593Smuzhiyun struct brcmf_flowring_tdls_entry *next; 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun struct brcmf_flowring { 39*4882a593Smuzhiyun struct device *dev; 40*4882a593Smuzhiyun struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE]; 41*4882a593Smuzhiyun struct brcmf_flowring_ring **rings; 42*4882a593Smuzhiyun spinlock_t block_lock; 43*4882a593Smuzhiyun enum proto_addr_mode addr_mode[BRCMF_MAX_IFS]; 44*4882a593Smuzhiyun u16 nrofrings; 45*4882a593Smuzhiyun bool tdls_active; 46*4882a593Smuzhiyun struct brcmf_flowring_tdls_entry *tdls_entry; 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN], 51*4882a593Smuzhiyun u8 prio, u8 ifidx); 52*4882a593Smuzhiyun u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN], 53*4882a593Smuzhiyun u8 prio, u8 ifidx); 54*4882a593Smuzhiyun void brcmf_flowring_delete(struct brcmf_flowring *flow, u16 flowid); 55*4882a593Smuzhiyun void brcmf_flowring_open(struct brcmf_flowring *flow, u16 flowid); 56*4882a593Smuzhiyun u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u16 flowid); 57*4882a593Smuzhiyun u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u16 flowid, 58*4882a593Smuzhiyun struct sk_buff *skb); 59*4882a593Smuzhiyun struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u16 flowid); 60*4882a593Smuzhiyun void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u16 flowid, 61*4882a593Smuzhiyun struct sk_buff *skb); 62*4882a593Smuzhiyun u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u16 flowid); 63*4882a593Smuzhiyun u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u16 flowid); 64*4882a593Smuzhiyun struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings); 65*4882a593Smuzhiyun void brcmf_flowring_detach(struct brcmf_flowring *flow); 66*4882a593Smuzhiyun void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx, 67*4882a593Smuzhiyun enum proto_addr_mode addr_mode); 68*4882a593Smuzhiyun void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx, 69*4882a593Smuzhiyun u8 peer[ETH_ALEN]); 70*4882a593Smuzhiyun void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx, 71*4882a593Smuzhiyun u8 peer[ETH_ALEN]); 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #endif /* BRCMFMAC_FLOWRING_H */ 75