/*====================================================================* * * Copyright (c) 2013 Qualcomm Atheros, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted (subject to the limitations * in the disclaimer below) provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of Qualcomm Atheros nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE * COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *--------------------------------------------------------------------*/ /*====================================================================* * * signed ToneMaps2 (struct plc * plc); * * amp.h * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ #ifndef TONEMAPS2_SOURCE #define TONEMAPS2_SOURCE #include <stdio.h> #include <stdint.h> #include "../tools/flags.h" #include "../tools/error.h" #include "../tools/endian.h" #include "../plc/plc.h" #include "../mme/mme.h" #ifndef SIGNALTONOISE2_SOURCE static uint8_t const mod2bits [AMP_BITS] = { 0, 1, 2, 3, 4, 6, 8, 10, 12 }; #endif #ifndef SIGNALTONOISE2_SOURCE static uint8_t const mod2db [AMP_BITS] = { 0, 2, 4, 7, 10, 16, 22, 28, 36 }; #endif signed ToneMaps2 (struct plc * plc) { uint8_t tonemap [PLC_SLOTS + 1][AMP_CARRIERS >> 1]; struct channel * channel = (struct channel *)(plc->channel); struct message * message = (struct message *)(plc->message); uint16_t extent = 0; uint16_t carriers = AMP_CARRIERS; uint16_t carrier = 0; uint8_t slots = PLC_SLOTS; uint8_t slot = 0; #ifndef __GNUC__ #pragma pack (push,1) #endif struct __packed vs_tonemap_char_request { struct ethernet_hdr ethernet; struct qualcomm_fmi qualcomm; uint8_t MME_SUBVER; uint8_t Reserved1 [3]; uint8_t MACADDRESS [ETHER_ADDR_LEN]; uint8_t TMSLOT; uint8_t COUPLING; } * request = (struct vs_tonemap_char_request *) (message); struct __packed vs_tonemap_char_confirm { struct ethernet_hdr ethernet; struct qualcomm_fmi qualcomm; uint8_t MSTATUS; uint8_t Reserved1; uint16_t MME_LEN; struct __packed vs_tonemap_char_header { uint8_t MME_SUBVER; uint8_t Reserved2; uint8_t MACADDRESS [6]; uint8_t TMSLOT; uint8_t COUPLING; uint8_t NUMTMS; uint8_t Reserved4; uint16_t TMNUMACTCARRIERS; uint16_t Reserved5; uint16_t NUMCARRIERS; uint16_t Reserved6; uint32_t Reserved7; } header; uint8_t MOD_CARRIER [1]; } * confirm = (struct vs_tonemap_char_confirm *) (message); struct __packed vs_tonemap_char_fragment { struct ethernet_hdr ethernet; struct homeplug_fmi qualcomm; uint8_t MOD_CARRIER [1]; } * fragment = (struct vs_tonemap_char_fragment *) (message); #ifndef __GNUC__ #pragma pack (pop) #endif memset (tonemap, 0, sizeof (tonemap)); for (carrier = slot = 0; slot < slots; carrier = 0, slot++) { memset (message, 0, sizeof (* message)); EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type); QualcommHeader1 (&request->qualcomm, 1, (VS_TONE_MAP_CHAR | MMTYPE_REQ)); plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN); memcpy (request->MACADDRESS, plc->RDA, sizeof (request->MACADDRESS)); request->TMSLOT = slot; request->COUPLING = plc->coupling; if (SendMME (plc) <= 0) { error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND); return (-1); } if (ReadMME (plc, 1, (VS_TONE_MAP_CHAR | MMTYPE_CNF)) <= 0) { error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD); return (-1); } if (confirm->MSTATUS) { error (1, 0, "Device refused request for slot %d: %s", slot, MMECode (VS_TONE_MAP_CHAR | MMTYPE_CNF, confirm->MSTATUS)); } carriers = LE16TOH (confirm->header.TMNUMACTCARRIERS); slots = confirm->header.NUMTMS; extent = LE16TOH (confirm->MME_LEN) - sizeof (struct vs_tonemap_char_header); if (extent > (AMP_CARRIERS >> 1)) { error (1, EOVERFLOW, "Too many carriers"); } plc->packetsize -= sizeof (struct vs_tonemap_char_confirm); plc->packetsize += sizeof (confirm->MOD_CARRIER); if (plc->packetsize > extent) { plc->packetsize = extent; } memcpy (&tonemap [slot] [carrier], &confirm->MOD_CARRIER, plc->packetsize); carrier += plc->packetsize; extent -= plc->packetsize; while (extent) { if (ReadMME (plc, 1, (VS_TONE_MAP_CHAR | MMTYPE_CNF)) <= 0) { error (1, errno, CHANNEL_CANTREAD); } plc->packetsize -= sizeof (struct vs_tonemap_char_fragment); plc->packetsize += sizeof (fragment->MOD_CARRIER); if (plc->packetsize > extent) { plc->packetsize = extent; } memcpy (&tonemap [slot] [carrier], fragment->MOD_CARRIER, plc->packetsize); carrier += plc->packetsize; extent -= plc->packetsize; } } for (carrier = 0; carrier < carriers; carrier++) { uint16_t scale = 0; uint16_t value = 0; uint16_t index = carrier >> 1; printf ("%04d", carrier); for (slot = 0; slot < slots; slot++) { value = tonemap [slot][index]; if ((carrier & 1)) { value >>= 4; } value &= 0x0F; printf (",%02d", mod2bits [value]); value *= value; scale += value; } if (slots) { scale /= slots; } printf (" %03d ", scale); if (_anyset (plc->flags, PLC_GRAPH)) { while (scale--) { printf ("#"); } } printf ("\n"); } return (0); } #endif