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/*
 * Copyright (c) 2013 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef BRCMFMAC_PROTO_H
#define BRCMFMAC_PROTO_H


enum proto_addr_mode {
        ADDR_INDIRECT   = 0,
        ADDR_DIRECT
};

struct brcmf_skb_reorder_data {
        u8 *reorder;
};

struct brcmf_proto {
        int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws,
                       struct sk_buff *skb, struct brcmf_if **ifp);
        int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd,
                          void *buf, uint len);
        int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
                        uint len);
        int (*tx_queue_data)(struct brcmf_pub *drvr, int ifidx,
                             struct sk_buff *skb);
        int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset,
                      struct sk_buff *skb);
        void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx,
                                    enum proto_addr_mode addr_mode);
        void (*delete_peer)(struct brcmf_pub *drvr, int ifidx,
                            u8 peer[ETH_ALEN]);
        void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx,
                              u8 peer[ETH_ALEN]);
        void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb);
        void (*add_if)(struct brcmf_if *ifp);
        void (*del_if)(struct brcmf_if *ifp);
        void (*reset_if)(struct brcmf_if *ifp);
        int (*init_done)(struct brcmf_pub *drvr);
        void *pd;
};


int brcmf_proto_attach(struct brcmf_pub *drvr);
void brcmf_proto_detach(struct brcmf_pub *drvr);

static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
                                      struct sk_buff *skb,
                                      struct brcmf_if **ifp)
{
        struct brcmf_if *tmp = NULL;

        /* assure protocol is always called with
         * non-null initialized pointer.
         */
        if (ifp)
                *ifp = NULL;
        else
                ifp = &tmp;
        return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
}
static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
                                         uint cmd, void *buf, uint len)
{
        return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len);
}
static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
                                       uint cmd, void *buf, uint len)
{
        return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len);
}

static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx,
                                            struct sk_buff *skb)
{
        return drvr->proto->tx_queue_data(drvr, ifidx, skb);
}

static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx,
                                     u8 offset, struct sk_buff *skb)
{
        return drvr->proto->txdata(drvr, ifidx, offset, skb);
}
static inline void
brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx,
                                enum proto_addr_mode addr_mode)
{
        drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode);
}
static inline void
brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
{
        drvr->proto->delete_peer(drvr, ifidx, peer);
}
static inline void
brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN])
{
        drvr->proto->add_tdls_peer(drvr, ifidx, peer);
}
static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb)
{
        struct brcmf_skb_reorder_data *rd;

        rd = (struct brcmf_skb_reorder_data *)skb->cb;
        return !!rd->reorder;
}

static inline void
brcmf_proto_rxreorder(struct brcmf_if *ifp, struct sk_buff *skb)
{
        ifp->drvr->proto->rxreorder(ifp, skb);
}

static inline void
brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
{
        if (!drvr->proto->add_if)
                return;
        drvr->proto->add_if(ifp);
}

static inline void
brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
{
        if (!drvr->proto->del_if)
                return;
        drvr->proto->del_if(ifp);
}

static inline void
brcmf_proto_reset_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
{
        if (!drvr->proto->reset_if)
                return;
        drvr->proto->reset_if(ifp);
}

static inline int
brcmf_proto_init_done(struct brcmf_pub *drvr)
{
        if (!drvr->proto->init_done)
                return 0;
        return drvr->proto->init_done(drvr);
}

#endif /* BRCMFMAC_PROTO_H */