drivers/net/wireless/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
  26 struct brcmf_proto {
  27         int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws,
  28                        struct sk_buff *skb, struct brcmf_if **ifp);
  29         int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd,
  30                           void *buf, uint len);
  31         int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
  32                         uint len);
  33         int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset,
  34                       struct sk_buff *skb);
  35         void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx,
  36                                     enum proto_addr_mode addr_mode);
  37         void (*delete_peer)(struct brcmf_pub *drvr, int ifidx,
  38                             u8 peer[ETH_ALEN]);
  39         void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx,
  40                               u8 peer[ETH_ALEN]);
  41         void *pd;
  42 };
  43
  44
  45 int brcmf_proto_attach(struct brcmf_pub *drvr);
  46 void brcmf_proto_detach(struct brcmf_pub *drvr);
  47
  48 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
  49                                       struct sk_buff *skb,
  50                                       struct brcmf_if **ifp)
  51 {
  52         struct brcmf_if *tmp = NULL;
  53
  54         /* assure protocol is always called with
  55          * non-null initialized pointer.
  56          */
  57         if (ifp)
  58                 *ifp = NULL;
  59         else
  60                 ifp = &tmp;
  61         return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
  62 }
  63 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
  64                                          uint cmd, void *buf, uint len)
  65 {
  66         return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len);
  67 }
  68 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
  69                                        uint cmd, void *buf, uint len)
  70 {
  71         return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len);
  72 }
  73 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx,
  74                                      u8 offset, struct sk_buff *skb)
  75 {
  76         return drvr->proto->txdata(drvr, ifidx, offset, skb);
  77 }
  78 static inline void
  79 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
  80                                 enum proto_addr_mode addr_mode)
  81 {
  82         drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode);
  83 }
  84 static inline void
  85 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
  86 {
  87         drvr->proto->delete_peer(drvr, ifidx, peer);
  88 }
  89 static inline void
  90 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
  91 {
  92         drvr->proto->add_tdls_peer(drvr, ifidx, peer);
  93 }
  94
  95
  96 #endif /* BRCMFMAC_PROTO_H */