/* Routines for UMTS FP Hint protocol disassembly

 *

 * Wireshark - Network traffic analyzer

 * By Gerald Combs <gerald@wireshark.org>

 * Copyright 1998 Gerald Combs

 *

 * SPDX-License-Identifier: GPL-2.0-or-later

 */

#include "config.h"

#include <epan/packet.h>

#include <wiretap/wtap.h>

#include <epan/tfs.h>

#include <epan/expert.h>

#include <epan/proto_data.h>

#include "packet-umts_fp.h"

#include "packet-umts_mac.h"

#include "packet-umts_rlc.h"

void proto_register_fp_hint(void);

void proto_reg_handoff_fp_hint(void);

static int proto_fp_hint;

extern int proto_fp;

extern int proto_umts_mac;

extern int proto_umts_rlc;

static int ett_fph;

static int ett_fph_rb;

static int ett_fph_ddi_entry;

static int ett_fph_tf;

static int hf_fph_frametype;

static int hf_fph_channeltype;

static int hf_fph_chcnt;

static int hf_fph_dchid;

static int hf_fph_urnti;

static int hf_fph_rlcmode;

static int hf_fph_content;

static int hf_fph_rbid;

static int hf_fph_ctmux;

static int hf_fph_ciphered;

static int hf_fph_deciphered;

static int hf_fph_macdflowid;

static int hf_fph_macehs;

static int hf_fph_rb;

static int hf_fph_ddi_entry;

static int hf_fph_ddi_size;

static int hf_fph_ddi_logical;

static int hf_fph_ddi_value;

static int hf_fph_tf;

static int hf_fph_tf_n;

static int hf_fph_tf_size;

static expert_field ei_fph_radio_bearers;

static expert_field ei_fph_mac_frames;

static expert_field ei_fph_fp_channels;

static dissector_handle_t data_handle;

static dissector_handle_t ethwithfcs_handle;

static dissector_handle_t atm_untrunc_handle;

enum fph_ctype {

    FPH_CHANNEL_PCH,

    FPH_CHANNEL_RACH,

    FPH_CHANNEL_FACH,

    FPH_CHANNEL_DCH,

    FPH_CHANNEL_HSDSCH,

    FPH_CHANNEL_EDCH

};

enum fph_frame {

    FPH_FRAME_ATM_AAL2,

    FPH_FRAME_ETHERNET

};

enum fph_pich {

    FPH_PICH18,

    FPH_PICH36,

    FPH_PICH72,

    FPH_PICH144

};

enum fph_content {

    FPH_CONTENT_UNKNOWN,

    FPH_CONTENT_DCCH,

    FPH_CONTENT_PS_DTCH,

    FPH_CONTENT_CS_DTCH

};

static const value_string fph_frametype_vals[] = {

    { FPH_FRAME_ATM_AAL2,   "ATM AAL2" },

    { FPH_FRAME_ETHERNET,   "Ethernet" },

    { 0, NULL }

};

static const value_string fph_channeltype_vals[] = {

    { FPH_CHANNEL_PCH,      "PCH" },

    { FPH_CHANNEL_RACH,     "RACH" },

    { FPH_CHANNEL_FACH,     "FACH" },

    { FPH_CHANNEL_DCH,      "DCH" },

    { FPH_CHANNEL_HSDSCH,   "HSDSCH" },

    { FPH_CHANNEL_EDCH,     "E-DCH" },

    { 0, NULL }

};

static const value_string fph_rlcmode_vals[] = {

    { RLC_TM,           "Transparent Mode" },

    { RLC_UM,           "Unacknowledged Mode" },

    { RLC_AM,           "Acknowledged Mode" },

    { 0, NULL }

};

static const value_string fph_content_vals[] = {

    { FPH_CONTENT_UNKNOWN,  "Unknown" },

    { FPH_CONTENT_DCCH,     "DCCH" },

    { FPH_CONTENT_PS_DTCH,  "PS DTCH" },

    { FPH_CONTENT_CS_DTCH,  "PS DTCH" },

    { 0, NULL }

};

static const true_false_string fph_ctmux_vals = {

    "C/T Mux field present", "C/T Mux field not present"

};

static const true_false_string fph_ciphered_vals = {

    "Ciphered", "Not ciphered"

};

static const true_false_string fph_deciphered_vals = {

    "Deciphered", "Not deciphered"

};

static uint16_t assign_rb_info(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, uint8_t rbcnt, proto_tree *tree)

{

    uint8_t i = 0, next_byte;

    uint8_t rlc_mode, content, rb_id, ctmux, ciphered, deciphered;

    uint32_t urnti;

    struct umts_mac_info *macinf;

    struct rlc_info *rlcinf;

    macinf = (umts_mac_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_umts_mac, 0);

    rlcinf = (rlc_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_umts_rlc, 0);

    if (!macinf) {

        macinf = wmem_new0(wmem_file_scope(), struct umts_mac_info);

        p_add_proto_data(wmem_file_scope(), pinfo, proto_umts_mac, 0, macinf);

    }

    if (!rlcinf) {

        rlcinf = wmem_new0(wmem_file_scope(), struct rlc_info);

        p_add_proto_data(wmem_file_scope(), pinfo, proto_umts_rlc, 0, rlcinf);

    }

    while (i < rbcnt) {

        urnti = tvb_get_letohl(tvb, offset);

        next_byte = tvb_get_uint8(tvb, offset + 4);

        rlc_mode = next_byte & 0x3;

        content = (next_byte >> 2) & 0x3;

        rb_id = next_byte >> 4;

        next_byte = tvb_get_uint8(tvb, offset + 5);

        rb_id |= (next_byte & 0x01) << 4;

        ctmux = (next_byte >> 1) & 0x1;

        ciphered = (next_byte >> 2) & 0x1;

        deciphered = (next_byte >> 3) & 0x1;

        if (i >= MAX_RLC_CHANS) {

            proto_tree_add_expert_format(tree, pinfo, &ei_fph_radio_bearers, tvb, offset, -1,

                "Frame contains more Radio Bearers than currently supported (%u present, %u supported)",

                rbcnt, MAX_RLC_CHANS);

            return -1;

        }

        if (i >= MAX_MAC_FRAMES) {

            proto_tree_add_expert_format(tree, pinfo, &ei_fph_mac_frames, tvb, offset, -1,

                "Frame contains more MAC Frames than currently supported (%u present, %u supported)",

                rbcnt, MAX_MAC_FRAMES);

            return -1;

        }

        rlcinf->mode[i] = rlc_mode;

        rlcinf->rbid[i] = rb_id;

        rlcinf->ueid[i] = urnti;

        rlcinf->ciphered[i] = ciphered;

        rlcinf->deciphered[i] = deciphered;

        rlcinf->li_size[i] = RLC_LI_VARIABLE;

        macinf->ctmux[i] = ctmux ? true : false;

        switch (content) {

            case FPH_CONTENT_DCCH:

                macinf->content[i] = MAC_CONTENT_DCCH;

                break;

            case FPH_CONTENT_PS_DTCH:

                macinf->content[i] = MAC_CONTENT_PS_DTCH;

                break;

            case FPH_CONTENT_CS_DTCH:

                macinf->content[i] = MAC_CONTENT_CS_DTCH;

                break;

            default:

                macinf->content[i] = MAC_CONTENT_UNKNOWN;

        }

        if (tree) {

            proto_tree *subtree;

            proto_item *pi;

            pi = proto_tree_add_item(tree, hf_fph_rb, tvb, offset, 8, ENC_NA);

            subtree = proto_item_add_subtree(pi, ett_fph_rb);

            if (urnti)

                proto_tree_add_uint(subtree, hf_fph_urnti, tvb, offset, 4, urnti);

            proto_tree_add_bits_item(subtree, hf_fph_content, tvb, (offset+4)*8+4, 2, ENC_LITTLE_ENDIAN);

            proto_tree_add_bits_item(subtree, hf_fph_rlcmode, tvb, (offset+4)*8+6, 2, ENC_LITTLE_ENDIAN);

            proto_tree_add_item(subtree, hf_fph_rbid, tvb, (offset+4), 2, ENC_LITTLE_ENDIAN);

            proto_tree_add_boolean(subtree, hf_fph_ctmux, tvb, offset+5, 1, ctmux);

            proto_tree_add_boolean(subtree, hf_fph_ciphered, tvb, offset+5, 1, ciphered);

            proto_tree_add_boolean(subtree, hf_fph_deciphered, tvb, offset+5, 1, deciphered);

        }

        offset += 8;

        i++;

    }

    return offset;

}

static void assign_fph_pch(tvbuff_t *tvb, packet_info *pinfo _U_, uint16_t offset, fp_info *fpi, proto_tree *tree _U_)

{

    uint8_t pich;

    uint16_t blkcnt, blksz;

    const uint8_t *hdr;

    fpi->channel = CHANNEL_PCH;

    hdr = tvb_get_ptr(tvb, offset, 4);

    blkcnt = hdr[0] | ((hdr[1] & 0x01) << 8);

    blksz = (hdr[1] >> 1) | ((hdr[2] & 0x3f) << 7);

    pich = (hdr[2] >> 6) | ((hdr[3] & 0x01) << 2);

    switch (pich) {

        case FPH_PICH18:

            fpi->paging_indications = 18;

            break;

        case FPH_PICH36:

            fpi->paging_indications = 36;

            break;

        case FPH_PICH72:

            fpi->paging_indications = 72;

            break;

        case FPH_PICH144:

            fpi->paging_indications = 144;

            break;

        default:

            fpi->paging_indications = 0;

    }

    fpi->num_chans = 1;

    fpi->chan_tf_size[0] = blksz;

    fpi->chan_num_tbs[0] = blkcnt;

}

static void assign_fph_rach(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, fp_info *fpi, proto_tree *tree)

{

    const uint8_t *hdr;

    uint8_t rbcnt;

    uint16_t blkcnt, blksz;

    fpi->channel = CHANNEL_RACH_FDD;

    hdr = tvb_get_ptr(tvb, offset, 4);

    blkcnt = hdr[0] | ((hdr[1] & 0x01) << 8);

    blksz = (hdr[1] >> 1) | ((hdr[2] & 0x3f) << 7);

    fpi->num_chans = 1;

    fpi->chan_tf_size[0] = blksz;

    fpi->chan_num_tbs[0] = blkcnt;

    offset += 4;

    rbcnt = tvb_get_uint8(tvb, offset); offset++;

    if (rbcnt > 0)

        /*offset =*/ assign_rb_info(tvb, pinfo, offset, rbcnt, tree);

}

static void assign_fph_dch(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, fp_info *fpi, proto_tree *tree)

{

    uint8_t dch_id, rbcnt;

    uint16_t N, size;

    uint32_t cnt, i = 0;

    const uint8_t *hdr;

    proto_tree *subtree;

    proto_item *pi;

    fpi->channel = CHANNEL_DCH;

    cnt = tvb_get_uint8(tvb, offset); offset++;

    if (tree)

        proto_tree_add_uint(tree, hf_fph_chcnt, tvb, offset-1, 1, cnt);

    fpi->num_chans = cnt;

    fpi->dch_crc_present = 1;

    while (i < cnt) {

        pi = proto_tree_add_item(tree, hf_fph_tf, tvb, offset, 4, ENC_NA);

        subtree = proto_item_add_subtree(pi, ett_fph_rb);

        hdr = tvb_get_ptr(tvb, offset, 4);

        dch_id = (hdr[0] & 0x1f) + 1;

        N = ((hdr[1] & 0x3f)<<3) | (hdr[0] >> 5);

        size = ((hdr[3] & 0x07)<<10) | (hdr[2] << 2) | ((hdr[1] & 0xc0)>>6);

        size = size == 0x1fff ? 0 : size;

        fpi->chan_tf_size[i] = size;

        fpi->chan_num_tbs[i] = N;

        if (subtree) {

            proto_tree_add_uint(subtree, hf_fph_dchid, tvb, offset, 1, dch_id);

            proto_tree_add_uint(subtree, hf_fph_tf_n, tvb, offset, 2, N);

            if (size)

                proto_tree_add_uint(subtree, hf_fph_tf_size, tvb, offset + 1, 3, size);

        }

        offset += 4;

        if (i > MAX_FP_CHANS) {

            proto_tree_add_expert_format(tree, pinfo, &ei_fph_fp_channels, tvb, offset, -1,

                "Frame contains more FP channels than currently supported (%u supported)",

                MAX_FP_CHANS);

            return;

        }

        i++;

    }

    rbcnt = tvb_get_uint8(tvb, offset); offset++;

    if (rbcnt > 0)

        /*offset =*/ assign_rb_info(tvb, pinfo, offset, rbcnt, tree);

}

static void assign_fph_fach(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, fp_info *fpi, proto_tree *tree)

{

    const uint8_t *hdr;

    uint8_t rbcnt;

    uint16_t blkcnt, blksz;

    fpi->channel = CHANNEL_FACH_FDD;

    hdr = tvb_get_ptr(tvb, offset, 4);

    blkcnt = hdr[0] | ((hdr[1] & 0x01) << 8);

    blksz = (hdr[1] >> 1) | ((hdr[2] & 0x3f) << 7);

    fpi->num_chans = 1;

    fpi->chan_tf_size[0] = blksz;

    fpi->chan_num_tbs[0] = blkcnt;

    offset += 4;

    rbcnt = tvb_get_uint8(tvb, offset); offset++;

    if (rbcnt > 0)

        /*offset =*/ assign_rb_info(tvb, pinfo, offset, rbcnt, tree);

}

static void assign_fph_hsdsch(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, fp_info *fpi, proto_tree *tree)

{

    uint8_t rbcnt, hsdsch_info;

    hsdsch_info = tvb_get_uint8(tvb, offset);

    fpi->hsdsch_entity = hsdsch_info & 0x08 ? ehs : hs;

    fpi->channel = CHANNEL_HSDSCH;

    if (tree) {

        proto_tree_add_bits_item(tree, hf_fph_macehs, tvb,

            offset*8+4, 1, ENC_LITTLE_ENDIAN);

        proto_tree_add_bits_item(tree, hf_fph_macdflowid, tvb,

            offset*8+5, 3, ENC_LITTLE_ENDIAN);

    }

    offset++;

    rbcnt = tvb_get_uint8(tvb, offset); offset++;

    if (rbcnt > 0)

        /*offset =*/ assign_rb_info(tvb, pinfo, offset, rbcnt, tree);

}

static void assign_fph_edch(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, fp_info *fpi, proto_tree *tree)

{

    uint8_t rbcnt, macdflow_id, maces_cnt, i = 0;

    uint8_t logical, ddi;

    uint16_t maces_size;

    proto_item *pi;

    proto_tree *subtree = NULL;

    fpi->channel = CHANNEL_EDCH;

    macdflow_id = tvb_get_uint8(tvb, offset);

    if (tree) {

        proto_tree_add_uint(tree, hf_fph_macdflowid, tvb, offset, 1, macdflow_id);

    }

    offset++;

    maces_cnt = tvb_get_uint8(tvb, offset); offset++;

    fpi->no_ddi_entries = maces_cnt;

    while (i < maces_cnt) {

        ddi = tvb_get_uint8(tvb, offset++);

        logical = tvb_get_uint8(tvb, offset++);

        maces_size = tvb_get_letohs(tvb, offset);

        offset += 2;

        fpi->edch_ddi[i] = ddi;

        fpi->edch_macd_pdu_size[i] = maces_size;

        if (tree) {

            pi = proto_tree_add_item(tree, hf_fph_ddi_entry, tvb, offset - 4, 4, ENC_NA);

            subtree = proto_item_add_subtree(pi, ett_fph_ddi_entry);

            proto_tree_add_uint(subtree, hf_fph_ddi_value, tvb, offset - 4, 1, ddi);

            proto_tree_add_uint(subtree, hf_fph_ddi_logical, tvb, offset - 3, 1, logical);

            proto_tree_add_uint(subtree, hf_fph_ddi_size, tvb, offset - 2, 2, maces_size);

        }

        i++;

        if (i >= MAX_EDCH_DDIS) {

            proto_tree_add_expert_format(tree, pinfo, &ei_fph_fp_channels, tvb, offset, -1,

                "Frame contains more FP channels than currently supported (%u supported)",

                MAX_FP_CHANS);

            return;

        }

    }

    rbcnt = tvb_get_uint8(tvb, offset); offset++;

    if (rbcnt > 0)

        /*offset =*/ assign_rb_info(tvb, pinfo, offset, rbcnt, tree);

}

static void attach_info(tvbuff_t *tvb, packet_info *pinfo, uint16_t offset, uint8_t channel_type, uint8_t frame_type, proto_tree *tree)

{

    fp_info *fpi;

    fpi = (fp_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_fp, 0);

    if (!fpi) {

        fpi = wmem_new0(wmem_file_scope(), fp_info);

        p_add_proto_data(wmem_file_scope(), pinfo, proto_fp, 0, fpi);

    }

    fpi->is_uplink = pinfo->p2p_dir == P2P_DIR_RECV;

    /* TODO make this configurable */

    fpi->release = 7;

    fpi->release_year = 2008;

    fpi->release_month = 9;

    fpi->dch_crc_present = 1;

    switch (frame_type) {

        case FPH_FRAME_ATM_AAL2:

            fpi->link_type = FP_Link_ATM;

            break;

        case FPH_FRAME_ETHERNET:

            fpi->link_type = FP_Link_Ethernet;

            break;

        default:

            fpi->link_type = FP_Link_Unknown;

    }

    /* at the moment, only IuB is supported */

    fpi->iface_type = IuB_Interface;

    /* at the moment, only FDD is supported */

    fpi->division = Division_FDD;

    switch (channel_type) {

        case FPH_CHANNEL_PCH:

            assign_fph_pch(tvb, pinfo, offset, fpi, tree);

            break;

        case FPH_CHANNEL_RACH:

            assign_fph_rach(tvb, pinfo, offset, fpi, tree);

            break;

        case FPH_CHANNEL_FACH:

            assign_fph_fach(tvb, pinfo, offset, fpi, tree);

            break;

        case FPH_CHANNEL_DCH:

            assign_fph_dch(tvb, pinfo, offset, fpi, tree);

            break;

        case FPH_CHANNEL_HSDSCH:

            assign_fph_hsdsch(tvb, pinfo, offset, fpi, tree);

            break;

        case FPH_CHANNEL_EDCH:

            assign_fph_edch(tvb, pinfo, offset, fpi, tree);

            break;

        default:

            fpi->channel = 0;

    }

}

static int dissect_fp_hint(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)

{

    uint8_t frame_type, channel_type;

    uint16_t hdrlen;

    uint32_t atm_hdr, aal2_ext;

    tvbuff_t *next_tvb;

    dissector_handle_t next_dissector;

    void *next_dissector_data;

    proto_item *ti;

    proto_tree *fph_tree = NULL;

    struct atm_phdr atm_info;

    col_set_str(pinfo->cinfo, COL_PROTOCOL, "FP Hint");

    hdrlen = tvb_get_letohs(tvb, 0);

    frame_type = tvb_get_uint8(tvb, 2);

    channel_type = tvb_get_uint8(tvb, 3);

    if (tree) {

        ti = proto_tree_add_item(tree, proto_fp_hint, tvb, 0, hdrlen, ENC_NA);

        fph_tree = proto_item_add_subtree(ti, ett_fph);

        proto_tree_add_uint(fph_tree, hf_fph_frametype, tvb, 2, 1, frame_type);

        proto_tree_add_uint(fph_tree, hf_fph_channeltype, tvb, 3, 1, channel_type);

    }

    /* attach FP, MAC, RLC information */

    attach_info(tvb, pinfo, 4, channel_type, frame_type, fph_tree);

    switch (frame_type) {

        case FPH_FRAME_ATM_AAL2:

            aal2_ext = tvb_get_ntohl(tvb, hdrlen); hdrlen += 4;

            atm_hdr = tvb_get_ntohl(tvb, hdrlen); hdrlen += 4;

            memset(&atm_info, 0, sizeof(atm_info));

            atm_info.aal = AAL_2;

            /* atm_info.flags = pinfo->p2p_dir; */

            atm_info.flags = ATM_AAL2_NOPHDR;

            atm_info.vpi = ((atm_hdr & 0x0ff00000) >> 20);

            atm_info.vci = ((atm_hdr & 0x000ffff0) >>  4);

            atm_info.aal2_cid = aal2_ext & 0x000000ff;

            atm_info.type = TRAF_UMTS_FP;

            next_dissector = atm_untrunc_handle;

            next_dissector_data = &atm_info;

            break;

        case FPH_FRAME_ETHERNET:

            next_dissector = ethwithfcs_handle;

            next_dissector_data = NULL;

            break;

        default:

            next_dissector = data_handle;

            next_dissector_data = NULL;

            break;

    }

    next_tvb = tvb_new_subset_remaining(tvb, hdrlen);

    call_dissector_with_data(next_dissector, next_tvb, pinfo, tree,

                             next_dissector_data);

    return tvb_captured_length(tvb);

}

void

proto_register_fp_hint(void)

{

    static hf_register_info hf[] = {

        { &hf_fph_frametype, { "Frame Type", "fp_hint.frame_type", FT_UINT8, BASE_HEX, VALS(fph_frametype_vals), 0x0, NULL, HFILL } },

        { &hf_fph_channeltype, { "Channel Type", "fp_hint.channel_type", FT_UINT8, BASE_HEX, VALS(fph_channeltype_vals), 0x0, NULL, HFILL } },

        { &hf_fph_chcnt, { "Number of Channels", "fp_hint.num_chan", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_dchid, { "DCH ID", "fp_hint.dchid", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_macdflowid, { "MACd Flow ID", "fp_hint.macdflowid", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_macehs, { "MAC-ehs indicator", "fp_hint.mac_ehs", FT_BOOLEAN, BASE_NONE, NULL, 0, NULL, HFILL } },

        /* traffic format details */

        { &hf_fph_tf, { "Traffic Format", "fp_hint.tf", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL } },

        { &hf_fph_tf_n, { "N", "fp_hint.tf.n", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_tf_size, { "Size", "fp_hint.tf.size", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL } },

        /* DDI information for E-DCH */

        { &hf_fph_ddi_entry, { "DDI Entry", "fp_hint.ddi", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL } },

        { &hf_fph_ddi_value, { "DDI", "fp_hint.ddi.value", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_ddi_logical, { "Logical Channel ID", "fp_hint.ddi.logical", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },

        { &hf_fph_ddi_size, { "Size", "fp_hint.ddi.size", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } },

        /* radio bearer details */

        { &hf_fph_rb, { "Radio Bearer", "fp_hint.rb", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL } },

        { &hf_fph_urnti, { "U-RNTI", "fp_hint.rb.urnti", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },

        { &hf_fph_content, { "Content", "fp_hint.rb.content", FT_UINT8, BASE_DEC, VALS(fph_content_vals), 0, NULL, HFILL } },

        { &hf_fph_rlcmode, { "RLC Mode", "fp_hint.rb.rlc_mode", FT_UINT8, BASE_DEC, VALS(fph_rlcmode_vals), 0, NULL, HFILL } },

        { &hf_fph_rbid, { "Radio Bearer ID", "fp_hint.rb.rbid", FT_UINT16, BASE_DEC, NULL, 0x01f0, NULL, HFILL } },

        { &hf_fph_ctmux, { "C/T Mux", "fp_hint.rb.ctmux", FT_BOOLEAN, BASE_NONE, TFS(&fph_ctmux_vals), 0, "C/T Mux field", HFILL } },

        { &hf_fph_ciphered, { "Ciphered", "fp_hint.rb.ciphered", FT_BOOLEAN, BASE_NONE, TFS(&fph_ciphered_vals), 0, "Ciphered flag", HFILL } },

        { &hf_fph_deciphered, { "Deciphered", "fp_hint.rb.deciphered", FT_BOOLEAN, BASE_NONE, TFS(&fph_deciphered_vals), 0, "Deciphered flag", HFILL } }

    };

    static int *ett[] = {

        &ett_fph,

        &ett_fph_rb,

        &ett_fph_ddi_entry,

        &ett_fph_tf

    };

    static ei_register_info ei[] = {

        { &ei_fph_radio_bearers, { "fp_hint.rb.invalid", PI_PROTOCOL, PI_WARN, "Frame contains more Radio Bearers than currently supported", EXPFILL }},

        { &ei_fph_mac_frames, { "fp_hint.mac_frames.invalid", PI_PROTOCOL, PI_WARN, "Frame contains more MAC Frames than currently supported", EXPFILL }},

        { &ei_fph_fp_channels, { "fp_hint.fp_channels.invalid", PI_PROTOCOL, PI_WARN, "Frame contains more FP channels than currently supported", EXPFILL }},

    };

    expert_module_t* expert_fp_hint;

    proto_fp_hint = proto_register_protocol("FP Hint", "FP Hint", "fp_hint");

    register_dissector("fp_hint", dissect_fp_hint, proto_fp_hint);

    proto_register_field_array(proto_fp_hint, hf, array_length(hf));

    proto_register_subtree_array(ett, array_length(ett));

    expert_fp_hint = expert_register_protocol(proto_fp_hint);

    expert_register_field_array(expert_fp_hint, ei, array_length(ei));

}

void

proto_reg_handoff_fp_hint(void)

{

    atm_untrunc_handle = find_dissector_add_dependency("atm_untruncated", proto_fp_hint);

    data_handle = find_dissector("data");

    ethwithfcs_handle = find_dissector_add_dependency("eth_withfcs", proto_fp_hint);

}

/*

 * Editor modelines  -  https://www.wireshark.org/tools/modelines.html

 *

 * Local variables:

 * c-basic-offset: 4

 * tab-width: 8

 * indent-tabs-mode: nil

 * End:

 *

 * vi: set shiftwidth=4 tabstop=8 expandtab:

 * :indentSize=4:tabSize=8:noTabs=true:

 */