Files
kunlun/plc/halmac/hw2/rx/mac_rx_hw.c
2024-09-28 14:24:04 +08:00

556 lines
19 KiB
C
Executable File

/****************************************************************************
Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.
****************************************************************************/
#include "mac_rx_hw.h"
#include "mac_pdev.h"
#include "mpdu_frame.h"
#include "iot_errno.h"
#include "iot_pkt.h"
#include "iot_io.h"
#include "iot_system.h"
#include "plc_protocol.h"
#include "hw_tonemap.h"
#include "mac_vdev.h"
#include "mac_stream.h"
#include "mac_peer.h"
#include "mac_isr.h"
#include "mac_sched_hw.h"
#include "plc_const.h"
#include "phy_chn.h"
#include "phy_phase.h"
#include "mpdu_header.h"
#include "mac_rx_reg.h"
#include "mac_msg.h" /* for msg send */
#include "mac.h" /* for msg id */
#include "plc_mpdu_header.h" /* for frame_control_t */
#include "mac_sched.h"
#include "mac_cert_test.h"
#include "mac_rawdata_hw.h"
#include "iot_dbglog_api.h"
#include "iot_dbglog_parser.h"
#include "iot_plc_led.h"
#include "mac_ppm_scan.h"
#include "chip_reg_base.h"
#include "mac_reset.h"
#include "iot_system_api.h"
#include "mac_crc.h"
#include "mac_channel.h"
#include "hw_war.h"
#if MAC_TIMESTAMPING
#include "mac_sys_reg.h"
#include "hw_reg_api.h"
#endif
#include "multi_nid_sync.h"
/* init rx interface, register the call back */
uint32_t mac_rx_hw_init(uint32_t fw_mode) {
#if HW_PLATFORM >= HW_PLATFORM_FPGA
/* enable bcn miss int */
mac_isr_enable(MAC_ISR_BC_MISS_ID);
/* enable mpdu rx int */
mac_isr_enable(MAC_ISR_MPDU_RX_ID);
/* overflow */
mac_isr_enable(MAC_ISR_RX_DESC_OVERFLOW_ID);
//mac_isr_enable(MAC_ISR_RX_LOAD_OVERFLOW_ID);
/* low water mark */
//mac_isr_enable(MAC_ISR_RX_LOW_WATERMARK_ID);
/* rx timeout reset 0 - reset; 1 - not reset */
mac_rx_timeout_act_hang(0);
/* rx abort reset */
mac_rx_abort_act_hang(0);
/* WAR for RX CRC error issue */
mac_set_trans_done_selection(0);
/* rx pb timeout */
mac_rx_pb_timeout(1000000);
/**
* pb framelength for gp
* no good methods to caculate FL_ppb
* for GP protocol,so write the registers
* to restore the FL value
**/
uint32_t proto = PHY_PROTO_TYPE_GET();
if (PLC_PROTO_TYPE_GP == proto) {
mac_rx_gp_proto_band_set();
} else if (PLC_PROTO_TYPE_SG == proto \
|| PLC_PROTO_TYPE_SPG == proto)
{
/* filter unknown mpdu delimiter type */
mac_rx_set_sg_dt_filter(4, 5, 6, 7);
/* TODO: move to phy module */
mac_rx_set_delim(phy_band_id_get(), 0);
#if ENA_WAR_244
/* WAR:bugid 244,set debug register */
mac_set_debug_reg(MAC_RX_DEBUG_CFG);
/* WAR:bugid 244,sack tx isr config */
mac_rawdata_sack_isr_cfg(PHY_PROTO_TYPE_GET());
#endif
}
#endif
/* enable or disable rx filter
* 0:enable 1:disable
**/
if (MM_MODE == fw_mode)
{
/* disable bcn phase filter */
mac_rx_set_filter(CFG_BEACON_PHASE_FILTER_DIS_MASK, \
(CFG_BEACON_PHASE_FILTER_DIS_MASK & MAC_RX_FILTER_DISABLE_BITMAP));
/* enable dtei filter */
mac_rx_set_filter(CFG_MPDU_DTEI_FILTER_DIS_MASK, \
(CFG_MPDU_DTEI_FILTER_DIS_MASK & MAC_RX_FILTER_DISABLE_BITMAP));
/* disable nid filter */
mac_rx_set_filter(CFG_NID_FILTER_DIS_MASK, \
(CFG_NID_FILTER_DIS_MASK & MAC_RX_FILTER_DISABLE_BITMAP));
/* enable fc CRC error filter */
mac_rx_set_filter(CFG_FC_CRCERR_FILTER_DIS_MASK, \
(CFG_FC_CRCERR_FILTER_DIS_MASK & MAC_RX_FILTER_DISABLE_BITMAP));
}
else
{
/* FTM mode rx filter set */
/* disable bcn phase filter */
mac_rx_set_filter(CFG_BEACON_PHASE_FILTER_DIS_MASK, 1);
/* disable dtei filter */
mac_rx_set_filter(CFG_MPDU_DTEI_FILTER_DIS_MASK, 1);
/* disable nid filter */
mac_rx_set_filter(CFG_NID_FILTER_DIS_MASK, 1);
/* enable fc CRC error filter */
mac_rx_set_filter(CFG_FC_CRCERR_FILTER_DIS_MASK, 0);
}
/* for kl2 we have a feature to
* treat all 0s' FC to be fcs error
*/
phy_set_all0_fcs_error(true);
/*
* force rx whole packet before switch the phase
* or else, rx abort reason 4 would be occur
* if phase switching in the middle
*/
mac_rx_set_phase_protection(true, true);
/* fix rx desc abnormal issue */
if (PLC_PROTO_TYPE_SG == proto) {
mac_rx_set_last_pb_eco(0);
}
/* maybe fix hw rx abort bug -- kl2 */
mac_rx_set_pb_hdr_crc_opt(true);
return 0;
}
void mac_rx_led_control(rx_mpdu_start *mpdu_st)
{
if (mpdu_st) {
iot_plc_led_request(IOT_PLC_LED_REQ_PLC_RX);
}
return;
}
uint32_t mac_rx_debug_log_ringid_and_detype(rx_mpdu_start *mpdu_st)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_2)
uint8_t ring_id = mac_rx_mpdu_st_get_ring_id(mpdu_st);
frame_control_t *fc_debug = \
(frame_control_t *)mac_rx_mpdu_st_get_fc_addr(mpdu_st);
uint8_t delimiter_debug = fc_debug->delimiter_type;
iot_printf("ring_id = %d delimiter_type = %d\n",\
ring_id, delimiter_debug);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO_LVL_1,
IOT_MAC_RX_RINGID_DELI_ID, 2,ring_id, delimiter_debug);
#else
(void)mpdu_st;
#endif
return 0;
}
uint32_t mac_rx_debug_log_info(iot_pkt_t *pkt)
{
#if (PLC_MAC_RX_DEBUG_LOG > PLC_MAC_LOG_LEVEL_3)
rx_attention *att;
rx_mpdu_start *mpdu_st;
rx_mpdu_end *mpdu_ed;
rx_pb_start *pb_st;
rx_pb_end *pb_ed;
uint8_t *payload;
uint8_t *tmp =
iot_pkt_block_ptr(pkt, IOT_PKT_BLOCK_DATA);
att = (rx_attention*)(tmp + RX_ATTENTION_OFFSET);
mpdu_st = (rx_mpdu_start *)(tmp + MPDU_START_OFFSET);
mpdu_ed = (rx_mpdu_end *)(tmp + MPDU_END_OFFSET);
pb_st = (rx_pb_start *)(tmp + PB_START_OFFSET);
pb_ed = (rx_pb_end *)(tmp + PB_END_OFFSET);
payload = tmp + PB_PAYLOAD_OFFSET;
iot_printf( \
"proto1 = 0x%x,proto2 = 0x%x,pb_num=0x%x\n", \
mac_rx_att_get_rx_proto(att),
mac_rx_mpdu_st_get_rx_proto(mpdu_st),
mac_rx_mpdu_st_get_rx_pb_num(mpdu_st));
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO,
IOT_MAC_RX_PORT_PBNUM_ID, 3,\
mac_rx_att_get_rx_proto(att),
mac_rx_mpdu_st_get_rx_proto(mpdu_st),
mac_rx_mpdu_st_get_rx_pb_num(mpdu_st));
iot_printf("ssn = %d, msdu_start = %d, msdu_end = %d\n",\
pb_st->ssn, pb_st->msdu_start, pb_st->msdu_end);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO,
IOT_MAC_RX_PB_HEADER_ID, 3,\
pb_st->ssn, pb_st->msdu_start, pb_st->msdu_end);
iot_printf("fcserr = %d, pb_crc_err = %d\n",\
mac_rx_att_get_is_fcserr(att), \
mac_rx_pb_end_get_rx_pb_crc_err(pb_ed));
iot_dbglog_input(PLC_MAC_CRC_MID, DBGLOG_INFO,
IOT_MAC_PB_CRC_ERE_ID, 2,\
mac_rx_att_get_is_fcserr(att), \
mac_rx_pb_end_get_rx_pb_crc_err(pb_ed));
mem_dump((uint32_t *)payload, 0x50);
#else
(void)pkt;
#endif
return 0;
}
uint32_t mac_rx_debug_log_check_phy_err(rx_pb_start *pb_st, \
rx_mpdu_end *mpdu_ed)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_1)
/* if rx desc valid */
if (mac_rx_pb_st_get_last_pb(pb_st) &&
mac_rx_mpdu_end_get_rx_is_phyerr(mpdu_ed)) {
/* check rx phy err */
iot_printf("rxerr-is_phyerr:%d, id:%d\n", \
mac_rx_mpdu_end_get_rx_is_phyerr(mpdu_ed),\
mac_rx_mpdu_end_get_rx_phyerr_id(mpdu_ed));
}
#else
(void)pb_st;
(void)mpdu_ed;
#endif
return 0;
}
uint32_t mac_rx_debug_log_rxabort(iot_pkt_t *pkt)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_1)
rx_fc_msg_t rx_fc_msg = { 0 };
uint32_t proto = 0;
rx_attention *att;
rx_mpdu_start *mpdu_st;
rx_mpdu_end *mpdu_ed;
rx_pb_start *pb_st;
uint8_t *tmp =
iot_pkt_block_ptr(pkt, IOT_PKT_BLOCK_DATA);
att = (rx_attention*)(tmp + RX_ATTENTION_OFFSET);
mpdu_st = (rx_mpdu_start *)(tmp + MPDU_START_OFFSET);
mpdu_ed = (rx_mpdu_end *)(tmp + MPDU_END_OFFSET);
pb_st = (rx_pb_start *)(tmp + PB_START_OFFSET);
if (pb_st->last_pb) {
iot_printf("rx abort:reason-%d,"
"rx_ntb=0x%x,"
"force_phase_en=%d, force_phase=%d.\n", \
mac_rx_mpdu_end_get_rx_abnormal_id(mpdu_ed),
mac_rx_mpdu_end_get_ntb_timestamp(mpdu_ed),
phy_get_rx_phase_force_en(),
phy_get_rx_force_phase_val());
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_WARN,
IOT_MAC_RX_ABORT_LAST_PB_ID, 2, \
mac_rx_mpdu_end_get_rx_abnormal_id(mpdu_ed),\
mac_rx_mpdu_end_get_ntb_timestamp(mpdu_ed));
}
if (pb_st->first_pb) {
proto = PHY_PROTO_TYPE_GET();
mac_get_rx_frm_msg_from_fc(proto, mac_rx_mpdu_st_get_fc_addr(mpdu_st), \
&rx_fc_msg);
iot_printf("rx_abort:nid=0x%x,stei=%d,delim=%d, "
"rx_phase = %d, reg_phase = %d\n", \
rx_fc_msg.nid, rx_fc_msg.src_tei, \
mac_get_rx_delimiter_from_fc(proto, \
mac_rx_mpdu_st_get_fc_addr(mpdu_st)), \
mac_rx_att_get_rx_phase(att), g_phy_ctxt.dep.reg_phase);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_WARN,
IOT_MAC_RX_ABORT_FIRST_PB_ID, 5, \
rx_fc_msg.nid, rx_fc_msg.src_tei, \
mac_get_rx_delimiter_from_fc(proto, \
mac_rx_mpdu_st_get_fc_addr(mpdu_st)), \
mac_rx_att_get_rx_phase(att), g_phy_ctxt.dep.reg_phase);
}
#else
(void)pkt;
#endif
return 0;
}
uint32_t mac_rx_debug_log_fc(rx_mpdu_start *mpdu_st)
{
#if (PLC_MAC_RX_DEBUG_LOG > PLC_MAC_LOG_LEVEL_2)
uint32_t proto = 0;
proto = PHY_PROTO_TYPE_GET();
if (PLC_PROTO_TYPE_SG == proto) {
frame_control_t *fc = \
(frame_control_t *)mac_rx_mpdu_st_get_fc_addr(mpdu_st);
iot_printf(
"delimiter = 0x%x,"
"network = 0x%x,"
"nid = 0x%x\n", fc->delimiter_type,
fc->network_type, (uint32_t)fc->nid);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO_LVL_2,
IOT_MAC_SG_FC_INFO_ID, 3, fc->delimiter_type,
fc->network_type, (uint32_t)fc->nid);
}
#if SUPPORT_SOUTHERN_POWER_GRID
else if (PLC_PROTO_TYPE_SPG == proto)
{
spg_frame_control_t *fc = \
(spg_frame_control_t *)mac_rx_mpdu_st_get_fc_addr(mpdu_st);
iot_printf(
"delimiter = 0x%x,"
"access_ind = 0x%x,"
"snid = 0x%x\n", fc->delimiter_type,
fc->access_ind, fc->snid);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO_LVL_2,
IOT_MAC_SPG_FC_INFO_ID, 3, fc->delimiter_type,
fc->access_ind, fc->snid);
}
#endif
else if (PLC_PROTO_TYPE_GP == proto){
hpav_frame_control *fc = \
(hpav_frame_control *)mac_rx_mpdu_st_get_fc_addr(mpdu_st);
iot_printf(
"delimiter = 0x%x,"
"access_ind = 0x%x,"
"snid = 0x%x\n", fc->delimiter_type,
fc->access, fc->snid);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO_LVL_2,
IOT_MAC_GP_FC_INFO_ID, 3, fc->delimiter_type,
fc->access, fc->snid);
}else{
//todo
}
#else
(void)mpdu_st;
#endif
return 0;
}
uint32_t mac_rx_debug_log_sof_uicast_info(rx_fc_msg_t rx_fc_msg,
rx_mpdu_start *mpdu_st, rx_mpdu_end *mpdu_end, rx_pb_start *pb_st,
int8_t raw_snr)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_1)
/* if multi ppm, ppm is invalid */
iot_printf("-----rx stei %d, dtei %d," \
"nid=0x%x,ssn=%d,msdu_s=%d,msdu_e=%d," \
"1st_pb=%d,last_pb=%d," \
"retry=%d,pb_num=%d," \
"snr:%d->%d,tmi:%d-%d," \
"rx_phase=%d," \
"rssi=%d,nf=%d," \
"agc=%d," \
"adc=%d,adc_power=%d," \
"rx_sof_ts=%u,tx_sack_ts=%u" \
"hwppm=%d\n", \
rx_fc_msg.src_tei, rx_fc_msg.dst_tei, \
rx_fc_msg.nid, \
pb_st->ssn, pb_st->msdu_start, pb_st->msdu_end, \
pb_st->first_pb, pb_st->last_pb, \
rx_fc_msg.retry, mac_rx_mpdu_st_get_rx_pb_num(mpdu_st),\
raw_snr, mac_rx_mpdu_st_get_avg_snr(mpdu_st), \
rx_fc_msg.tmi, \
rx_fc_msg.tmi_ext, \
mac_rx_mpdu_st_get_rx_phase(mpdu_st), \
PHY_RSSI_FROM_RMI_GAIN(mac_rx_mpdu_st_get_adc_power(mpdu_st), \
mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
PHY_GET_NF(), \
PHY_GET_AGC_POWER(mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
mac_rx_mpdu_st_get_estimated_dc(mpdu_st), \
mac_rx_mpdu_st_get_adc_power(mpdu_st),
mac_rx_mpdu_end_get_ntb_timestamp(mpdu_end),
mac_get_unicast_sack_ts(),
mac_rx_mpdu_st_get_estimated_ppm(mpdu_st)
);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO_LVL_2,
IOT_MAC_RX_DSTEI_SNR_TMI_ID, 6, \
rx_fc_msg.src_tei, rx_fc_msg.dst_tei, \
mac_rx_mpdu_st_get_avg_snr(mpdu_st), \
rx_fc_msg.tmi, \
rx_fc_msg.tmi_ext, \
mac_rx_mpdu_st_get_rx_phase(mpdu_st) \
);
#else
(void)rx_fc_msg;
(void)mpdu_st;
(void)mpdu_end;
(void)pb_st;
(void)raw_snr;
#endif
return 0;
}
uint32_t mac_rx_debug_log_sof_bcast_info(rx_fc_msg_t rx_fc_msg,
rx_mpdu_start *mpdu_st, rx_mpdu_end *mpdu_end, rx_pb_start *pb_st,
int8_t raw_snr)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_1)
/* if multi ppm, ppm is invalid */
iot_printf("-----bcast rx stei %d, dtei %d," \
"nid=0x%x,ssn=%d,msdu_s=%d,msdu_e=%d," \
"1st_pb=%d,last_pb=%d," \
"retry=%d,pb_num=%d," \
"snr:%d->%d,tmi:%d-%d," \
"rx_phase=%d," \
"rssi=%d,nf=%d," \
"agc=%d," \
"adc=%d,adc_power=%d," \
"hwppm:%d, rx_ts:%lu\n", \
rx_fc_msg.src_tei, rx_fc_msg.dst_tei, \
rx_fc_msg.nid, \
pb_st->ssn, pb_st->msdu_start, pb_st->msdu_end, \
pb_st->first_pb, pb_st->last_pb, \
rx_fc_msg.retry, mac_rx_mpdu_st_get_rx_pb_num(mpdu_st),\
raw_snr, mac_rx_mpdu_st_get_avg_snr(mpdu_st), \
rx_fc_msg.tmi, \
rx_fc_msg.tmi_ext, \
mac_rx_mpdu_st_get_rx_phase(mpdu_st), \
PHY_RSSI_FROM_RMI_GAIN(mac_rx_mpdu_st_get_adc_power(mpdu_st), \
mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
PHY_GET_NF(),\
PHY_GET_AGC_POWER(mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
mac_rx_mpdu_st_get_estimated_dc(mpdu_st), \
mac_rx_mpdu_st_get_adc_power(mpdu_st),
mac_rx_mpdu_st_get_estimated_ppm(mpdu_st),
mac_rx_mpdu_end_get_ntb_timestamp(mpdu_end)
);
#else
(void)rx_fc_msg;
(void)mpdu_st;
(void)mpdu_end;
(void)pb_st;
(void)raw_snr;
#endif
return 0;
}
uint32_t mac_rx_debug_log_bcn_info(rx_fc_msg_t *rx_fc_msg,
rx_mpdu_start *mpdu_st, rx_mpdu_end *mpdu_ed, rx_pb_end *pb_ed,
int8_t raw_snr)
{
#if (PLC_MAC_RX_DEBUG_LOG >= PLC_MAC_LOG_LEVEL_1)
uint32_t nid = 0;
nid = mac_get_nid_from_fc(PHY_PROTO_TYPE_GET(), \
mac_rx_mpdu_st_get_fc_addr(mpdu_st));
if (mpdu_ed == NULL) {
return ERR_INVAL;
}
int32_t delta = mac_rx_mpdu_end_get_ntb_timestamp(mpdu_ed) \
- rx_fc_msg->time_stamp;
iot_printf("rx bcn:" \
"nid=0x%x," \
"stei=%d," \
"rx_phase=%d," \
"fc_phase=%d," \
"reg_phase = %d,"
"snr=%d->%d," \
"hwppm=%d," \
"mbandid=%d," \
"rssi=%d,nf=%d," \
"agc=%d," \
"adc=%d,adc_power=%d," \
"pb crc=%d,pld crc=%d," \
"d_ts=%d," \
"tmi%d-%d,"\
"sym_num=%d, ts:%lu, rx_ts:%lu, lts:%u\n",
nid, \
rx_fc_msg->src_tei, \
mac_rx_mpdu_st_get_rx_phase(mpdu_st), \
rx_fc_msg->phase, \
g_phy_ctxt.dep.reg_phase,\
raw_snr, mac_rx_mpdu_st_get_avg_snr(mpdu_st), \
mac_rx_mpdu_st_get_estimated_ppm(mpdu_st), \
mac_rx_mpdu_st_get_rx_band_sel(mpdu_st), \
PHY_RSSI_FROM_RMI_GAIN(mac_rx_mpdu_st_get_adc_power(mpdu_st), \
mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
PHY_GET_NF(), \
PHY_GET_AGC_POWER(mac_rx_mpdu_st_get_agc_gain_entry(mpdu_st)), \
mac_rx_mpdu_st_get_estimated_dc, \
mac_rx_mpdu_st_get_adc_power(mpdu_st), \
pb_ed->rx_pb_crc_err, \
(mac_tx_hw_get_bcn_swcrc_cfg() ? \
0:pb_ed->rx_beacon_pld_crc_err), \
delta, \
rx_fc_msg->tmi, rx_fc_msg->tmi_ext,\
rx_fc_msg->numsym,
rx_fc_msg->time_stamp,
mac_rx_mpdu_end_get_ntb_timestamp(mpdu_ed),
mac_rx_mpdu_end_get_local_timestamp(mpdu_ed));
iot_dbglog_input(PLC_MAC_RX_HW_MID, \
DBGLOG_INFO_LVL_2,
IOT_MAC_RX_BC_PB_PLD_CRC_ID, 4, \
nid, \
rx_fc_msg->src_tei, \
pb_ed->rx_pb_crc_err, \
(mac_tx_hw_get_bcn_swcrc_cfg() ? \
0:pb_ed->rx_beacon_pld_crc_err));
#else
(void)rx_fc_msg;
(void)mpdu_st;
(void)mpdu_ed;
(void)pb_ed;
(void)raw_snr;
#endif
return 0;
}
uint32_t mac_rx_debug_log_for_gp(uint32_t rtsf)
{
#if SUPPORT_GREEN_PHY
#if (PLC_MAC_RX_DEBUG_LOG > PLC_MAC_LOG_LEVEL_1)
if (1 == rtsf) {
iot_printf("%s, RTS rx\n", __FUNCTION__);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO,
IOT_MAC_RX_RTS_ID, 0);
}
else {
iot_printf("%s, CTS rx\n", __FUNCTION__);
iot_dbglog_input(PLC_MAC_RX_HW_MID, DBGLOG_INFO,
IOT_MAC_RX_CTS_ID, 0);
}
#endif
#endif
(void)rtsf;
return 0;
}