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 (*debugfs_create)(struct brcmf_pub *drvr);
  52         void *pd;
  53 };
  54
  55
  56 int brcmf_proto_attach(struct brcmf_pub *drvr);
  57 void brcmf_proto_detach_pre_delif(struct brcmf_pub *drvr);
  58 void brcmf_proto_detach_post_delif(struct brcmf_pub *drvr);
  59
  60 static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
  61                                       struct sk_buff *skb,
  62                                       struct brcmf_if **ifp)
  63 {
  64         struct brcmf_if *tmp = NULL;
  65
  66         /* assure protocol is always called with
  67          * non-null initialized pointer.
  68          */
  69         if (ifp)
  70                 *ifp = NULL;
  71         else
  72                 ifp = &tmp;
  73         return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
  74 }
  75 static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
  76                                          uint cmd, void *buf, uint len,
  77                                          int *fwerr)
  78 {
  79         return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len,fwerr);
  80 }
  81 static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
  82                                        uint cmd, void *buf, uint len,
  83                                        int *fwerr)
  84 {
  85         return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len, fwerr);
  86 }
  87
  88 static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx,
  89                                             struct sk_buff *skb)
  90 {
  91         return drvr->proto->tx_queue_data(drvr, ifidx, skb);
  92 }
  93
  94 static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx,
  95                                      u8 offset, struct sk_buff *skb)
  96 {
  97         return drvr->proto->txdata(drvr, ifidx, offset, skb);
  98 }
  99 static inline void
 100 brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
 101                                 enum proto_addr_mode addr_mode)
 102 {
 103         drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode);
 104 }
 105 static inline void
 106 brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
 107 {
 108         drvr->proto->delete_peer(drvr, ifidx, peer);
 109 }
 110 static inline void
 111 brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
 112 {
 113         drvr->proto->add_tdls_peer(drvr, ifidx, peer);
 114 }
 115 static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb)
 116 {
 117         struct brcmf_skb_reorder_data *rd;
 118
 119         rd = (struct brcmf_skb_reorder_data *)skb->cb;
 120         return !!rd->reorder;
 121 }
 122
 123 static inline void
 124 brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb)
 125 {
 126         ifp->drvr->proto->rxreorder(ifp, skb);
 127 }
 128
 129 static inline void
 130 brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 131 {
 132         if (!drvr->proto->add_if)
 133                 return;
 134         drvr->proto->add_if(ifp);
 135 }
 136
 137 static inline void
 138 brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 139 {
 140         if (!drvr->proto->del_if)
 141                 return;
 142         drvr->proto->del_if(ifp);
 143 }
 144
 145 static inline void
 146 brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 147 {
 148         if (!drvr->proto->reset_if)
 149                 return;
 150         drvr->proto->reset_if(ifp);
 151 }
 152
 153 static inline int
 154 brcmf_proto_init_done(struct brcmf_pub *drvr)
 155 {
 156         if (!drvr->proto->init_done)
 157                 return 0;
 158         return drvr->proto->init_done(drvr);
 159 }
 160
 161 static inline void
 162 brcmf_proto_debugfs_create(struct brcmf_pub *drvr)
 163 {
 164         drvr->proto->debugfs_create(drvr);
 165 }
 166
 167 #endif /* BRCMFMAC_PROTO_H */