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 (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset, 37 struct sk_buff *skb); 38 void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx, 39 enum proto_addr_mode addr_mode); 40 void (*delete_peer)(struct brcmf_pub *drvr, int ifidx, 41 u8 peer[ETH_ALEN]); 42 void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx, 43 u8 peer[ETH_ALEN]); 44 void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb); 45 void *pd; 46 }; 47 48 49 int brcmf_proto_attach(struct brcmf_pub *drvr); 50 void brcmf_proto_detach(struct brcmf_pub *drvr); 51 52 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, 53 struct sk_buff *skb, 54 struct brcmf_if **ifp) 55 { 56 struct brcmf_if *tmp = NULL; 57 58 /* assure protocol is always called with 59 * non-null initialized pointer. 60 */ 61 if (ifp) 62 *ifp = NULL; 63 else 64 ifp = &tmp; 65 return drvr->proto->hdrpull(drvr, do_fws, skb, ifp); 66 } 67 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, 68 uint cmd, void *buf, uint len) 69 { 70 return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len); 71 } 72 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, 73 uint cmd, void *buf, uint len) 74 { 75 return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len); 76 } 77 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, 78 u8 offset, struct sk_buff *skb) 79 { 80 return drvr->proto->txdata(drvr, ifidx, offset, skb); 81 } 82 static inline void 83 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, 84 enum proto_addr_mode addr_mode) 85 { 86 drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); 87 } 88 static inline void 89 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 90 { 91 drvr->proto->delete_peer(drvr, ifidx, peer); 92 } 93 static inline void 94 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) 95 { 96 drvr->proto->add_tdls_peer(drvr, ifidx, peer); 97 } 98 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) 99 { 100 struct brcmf_skb_reorder_data *rd; 101 102 rd = (struct brcmf_skb_reorder_data *)skb->cb; 103 return !!rd->reorder; 104 } 105 106 static inline void 107 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb) 108 { 109 ifp->drvr->proto->rxreorder(ifp, skb); 110 } 111 112 #endif /* BRCMFMAC_PROTO_H */ 113