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);
  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 */