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); 34 int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, 35 uint len); 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 { 76 return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len); 77 } 78 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, 79 uint cmd, void *buf, uint len) 80 { 81 return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len); 82 } 83 84 static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx, 85 struct sk_buff *skb) 86 { 87 return drvr->proto->tx_queue_data(drvr, ifidx, skb); 88 } 89 90 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, 91 u8 offset, struct sk_buff *skb) 92 { 93 return drvr->proto->txdata(drvr, ifidx, offset, skb); 94 } 95 static inline void 96 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, 97 enum proto_addr_mode addr_mode) 98 { 99 drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); 100 } 101 static inline void 102 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 103 { 104 drvr->proto->delete_peer(drvr, ifidx, peer); 105 } 106 static inline void 107 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 108 { 109 drvr->proto->add_tdls_peer(drvr, ifidx, peer); 110 } 111 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) 112 { 113 struct brcmf_skb_reorder_data *rd; 114 115 rd = (struct brcmf_skb_reorder_data *)skb->cb; 116 return !!rd->reorder; 117 } 118 119 static inline void 120 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb) 121 { 122 ifp->drvr->proto->rxreorder(ifp, skb); 123 } 124 125 static inline void 126 brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 127 { 128 if (!drvr->proto->add_if) 129 return; 130 drvr->proto->add_if(ifp); 131 } 132 133 static inline void 134 brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 135 { 136 if (!drvr->proto->del_if) 137 return; 138 drvr->proto->del_if(ifp); 139 } 140 141 static inline void 142 brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 143 { 144 if (!drvr->proto->reset_if) 145 return; 146 drvr->proto->reset_if(ifp); 147 } 148 149 static inline int 150 brcmf_proto_init_done(struct brcmf_pub *drvr) 151 { 152 if (!drvr->proto->init_done) 153 return 0; 154 return drvr->proto->init_done(drvr); 155 } 156 157 #endif /* BRCMFMAC_PROTO_H */ 158