LXR linux/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
  20enum proto_addr_mode {
  21        ADDR_INDIRECT   = 0,
  22        ADDR_DIRECT
  23};
  24
  25struct brcmf_skb_reorder_data {
  26        u8 *reorder;
  27};
  28
  29struct 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
  56int brcmf_proto_attach(struct brcmf_pub *drvr);
  57void brcmf_proto_detach(struct brcmf_pub *drvr);
  58
  59static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
  60                                      struct sk_buff *skb,
  61                                      struct brcmf_if **ifp)
  62{
  63        struct brcmf_if *tmp = NULL;
  64
  65        /* assure protocol is always called with
  66         * non-null initialized pointer.
  67         */
  68        if (ifp)
  69                *ifp = NULL;
  70        else
  71                ifp = &tmp;
  72        return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
  73}
  74static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
  75                                         uint cmd, void *buf, uint len,
  76                                         int *fwerr)
  77{
  78        return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len,fwerr);
  79}
  80static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
  81                                       uint cmd, void *buf, uint len,
  82                                       int *fwerr)
  83{
  84        return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len, fwerr);
  85}
  86
  87static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx,
  88                                            struct sk_buff *skb)
  89{
  90        return drvr->proto->tx_queue_data(drvr, ifidx, skb);
  91}
  92
  93static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx,
  94                                     u8 offset, struct sk_buff *skb)
  95{
  96        return drvr->proto->txdata(drvr, ifidx, offset, skb);
  97}
  98static inline void
  99brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
 100                                enum proto_addr_mode addr_mode)
 101{
 102        drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode);
 103}
 104static inline void
 105brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
 106{
 107        drvr->proto->delete_peer(drvr, ifidx, peer);
 108}
 109static inline void
 110brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
 111{
 112        drvr->proto->add_tdls_peer(drvr, ifidx, peer);
 113}
 114static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb)
 115{
 116        struct brcmf_skb_reorder_data *rd;
 117
 118        rd = (struct brcmf_skb_reorder_data *)skb->cb;
 119        return !!rd->reorder;
 120}
 121
 122static inline void
 123brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb)
 124{
 125        ifp->drvr->proto->rxreorder(ifp, skb);
 126}
 127
 128static inline void
 129brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 130{
 131        if (!drvr->proto->add_if)
 132                return;
 133        drvr->proto->add_if(ifp);
 134}
 135
 136static inline void
 137brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 138{
 139        if (!drvr->proto->del_if)
 140                return;
 141        drvr->proto->del_if(ifp);
 142}
 143
 144static inline void
 145brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 146{
 147        if (!drvr->proto->reset_if)
 148                return;
 149        drvr->proto->reset_if(ifp);
 150}
 151
 152static inline int
 153brcmf_proto_init_done(struct brcmf_pub *drvr)
 154{
 155        if (!drvr->proto->init_done)
 156                return 0;
 157        return drvr->proto->init_done(drvr);
 158}
 159
 160static inline void
 161brcmf_proto_debugfs_create(struct brcmf_pub *drvr)
 162{
 163        drvr->proto->debugfs_create(drvr);
 164}
 165
 166#endif /* BRCMFMAC_PROTO_H */
 167