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 *pd; 48 }; 49 50 51 int brcmf_proto_attach(struct brcmf_pub *drvr); 52 void brcmf_proto_detach(struct brcmf_pub *drvr); 53 54 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, 55 struct sk_buff *skb, 56 struct brcmf_if **ifp) 57 { 58 struct brcmf_if *tmp = NULL; 59 60 /* assure protocol is always called with 61 * non-null initialized pointer. 62 */ 63 if (ifp) 64 *ifp = NULL; 65 else 66 ifp = &tmp; 67 return drvr->proto->hdrpull(drvr, do_fws, skb, ifp); 68 } 69 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, 70 uint cmd, void *buf, uint len) 71 { 72 return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len); 73 } 74 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, 75 uint cmd, void *buf, uint len) 76 { 77 return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len); 78 } 79 80 static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx, 81 struct sk_buff *skb) 82 { 83 return drvr->proto->tx_queue_data(drvr, ifidx, skb); 84 } 85 86 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, 87 u8 offset, struct sk_buff *skb) 88 { 89 return drvr->proto->txdata(drvr, ifidx, offset, skb); 90 } 91 static inline void 92 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, 93 enum proto_addr_mode addr_mode) 94 { 95 drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); 96 } 97 static inline void 98 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 99 { 100 drvr->proto->delete_peer(drvr, ifidx, peer); 101 } 102 static inline void 103 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 104 { 105 drvr->proto->add_tdls_peer(drvr, ifidx, peer); 106 } 107 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) 108 { 109 struct brcmf_skb_reorder_data *rd; 110 111 rd = (struct brcmf_skb_reorder_data *)skb->cb; 112 return !!rd->reorder; 113 } 114 115 static inline void 116 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb) 117 { 118 ifp->drvr->proto->rxreorder(ifp, skb); 119 } 120 121 #endif /* BRCMFMAC_PROTO_H */ 122