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 (*debugfs_create)(struct brcmf_pub *drvr); 52 void *pd; 53 }; 54 55 56 int brcmf_proto_attach(struct brcmf_pub *drvr); 57 void brcmf_proto_detach_pre_delif(struct brcmf_pub *drvr); 58 void brcmf_proto_detach_post_delif(struct brcmf_pub *drvr); 59 60 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, 61 struct sk_buff *skb, 62 struct brcmf_if **ifp) 63 { 64 struct brcmf_if *tmp = NULL; 65 66 /* assure protocol is always called with 67 * non-null initialized pointer. 68 */ 69 if (ifp) 70 *ifp = NULL; 71 else 72 ifp = &tmp; 73 return drvr->proto->hdrpull(drvr, do_fws, skb, ifp); 74 } 75 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, 76 uint cmd, void *buf, uint len, 77 int *fwerr) 78 { 79 return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len,fwerr); 80 } 81 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, 82 uint cmd, void *buf, uint len, 83 int *fwerr) 84 { 85 return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len, fwerr); 86 } 87 88 static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx, 89 struct sk_buff *skb) 90 { 91 return drvr->proto->tx_queue_data(drvr, ifidx, skb); 92 } 93 94 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, 95 u8 offset, struct sk_buff *skb) 96 { 97 return drvr->proto->txdata(drvr, ifidx, offset, skb); 98 } 99 static inline void 100 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, 101 enum proto_addr_mode addr_mode) 102 { 103 drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); 104 } 105 static inline void 106 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 107 { 108 drvr->proto->delete_peer(drvr, ifidx, peer); 109 } 110 static inline void 111 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 112 { 113 drvr->proto->add_tdls_peer(drvr, ifidx, peer); 114 } 115 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) 116 { 117 struct brcmf_skb_reorder_data *rd; 118 119 rd = (struct brcmf_skb_reorder_data *)skb->cb; 120 return !!rd->reorder; 121 } 122 123 static inline void 124 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb) 125 { 126 ifp->drvr->proto->rxreorder(ifp, skb); 127 } 128 129 static inline void 130 brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 131 { 132 if (!drvr->proto->add_if) 133 return; 134 drvr->proto->add_if(ifp); 135 } 136 137 static inline void 138 brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 139 { 140 if (!drvr->proto->del_if) 141 return; 142 drvr->proto->del_if(ifp); 143 } 144 145 static inline void 146 brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp) 147 { 148 if (!drvr->proto->reset_if) 149 return; 150 drvr->proto->reset_if(ifp); 151 } 152 153 static inline int 154 brcmf_proto_init_done(struct brcmf_pub *drvr) 155 { 156 if (!drvr->proto->init_done) 157 return 0; 158 return drvr->proto->init_done(drvr); 159 } 160 161 static inline void 162 brcmf_proto_debugfs_create(struct brcmf_pub *drvr) 163 { 164 drvr->proto->debugfs_create(drvr); 165 } 166 167 #endif /* BRCMFMAC_PROTO_H */ 168