drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h

   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 */