1 /* 2 * Copyright (c) 2013 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 #ifndef BRCMFMAC_PROTO_H 17 #define BRCMFMAC_PROTO_H 18 19 20 enum proto_addr_mode { 21 ADDR_INDIRECT = 0, 22 ADDR_DIRECT 23 }; 24 25 struct brcmf_skb_reorder_data { 26 u8 *reorder; 27 }; 28 29 struct brcmf_proto { 30 int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws, 31 struct sk_buff *skb, struct brcmf_if **ifp); 32 int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, 33 void *buf, uint len, int *fwerr); 34 int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, 35 uint len, int *fwerr); 36 int (*tx_queue_data)(struct brcmf_pub *drvr, int ifidx, 37 struct sk_buff *skb); 38 int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset, 39 struct sk_buff *skb); 40 void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx, 41 enum proto_addr_mode addr_mode); 42 void (*delete_peer)(struct brcmf_pub *drvr, int ifidx, 43 u8 peer[ETH_ALEN]); 44 void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx, 45 u8 peer[ETH_ALEN]); 46 void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb); 47 void (*add_if)(struct brcmf_if *ifp); 48 void (*del_if)(struct brcmf_if *ifp); 49 void (*reset_if)(struct brcmf_if *ifp); 50 int (*init_done)(struct brcmf_pub *drvr); 51 void *pd; 52 }; 53 54 55 int brcmf_proto_attach(struct brcmf_pub *drvr); 56 void brcmf_proto_detach(struct brcmf_pub *drvr); 57 58 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, 59 struct sk_buff *skb, 60 struct brcmf_if **ifp) 61 { 62 struct brcmf_if *tmp = NULL; 63 64 /* assure protocol is always called with 65 * non-null initialized pointer. 66 */ 67 if (ifp) 68 *ifp = NULL; 69 else 70 ifp = &tmp; 71 return drvr->proto->hdrpull(drvr, do_fws, skb, ifp); 72 } 73 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, 74 uint cmd, void *buf, uint len, 75 int *fwerr) 76 { 77 return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len,fwerr); 78 } 79 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, 80 uint cmd, void *buf, uint len, 81 int *fwerr) 82 { 83 return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len, fwerr); 84 } 85 86 static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx, 87 struct sk_buff *skb) 88 { 89 return drvr->proto->tx_queue_data(drvr, ifidx, skb); 90 } 91 92 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, 93 u8 offset, struct sk_buff *skb) 94 { 95 return drvr->proto->txdata(drvr, ifidx, offset, skb); 96 } 97 static inline void 98 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, 99 enum proto_addr_mode addr_mode) 100 { 101 drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); 102 } 103 static inline void 104 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 105 { 106 drvr->proto->delete_peer(drvr, ifidx, peer); 107 } 108 static inline void 109 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 110 { 111 drvr->proto->add_tdls_peer(drvr, ifidx, peer); 112 } 113 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) 114 { 115 struct brcmf_skb_reorder_data *rd; 116 117 rd = (struct brcmf_skb_reorder_data *)skb->cb; 118 return !!rd->reorder; 119 } 120 121 static inline void 122 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb) 123 { 124 ifp->drvr->proto->rxreorder(ifp, skb); 125 } 126 127 static inline void 128 brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 129 { 130 if (!drvr->proto->add_if) 131 return; 132 drvr->proto->add_if(ifp); 133 } 134 135 static inline void 136 brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 137 { 138 if (!drvr->proto->del_if) 139 return; 140 drvr->proto->del_if(ifp); 141 } 142 143 static inline void 144 brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 145 { 146 if (!drvr->proto->reset_if) 147 return; 148 drvr->proto->reset_if(ifp); 149 } 150 151 static inline int 152 brcmf_proto_init_done(struct brcmf_pub *drvr) 153 { 154 if (!drvr->proto->init_done) 155 return 0; 156 return drvr->proto->init_done(drvr); 157 } 158 159 #endif /* BRCMFMAC_PROTO_H */ 160