(WIP) host/layer23: introduce an application to dump L1CTL PHY info
Change-Id: Ib89f45b5c8612ed6c9a8dedb7d3b7aa712c17feb
This commit is contained in:
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5e9786bde9
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1c84127b19
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@ -34,3 +34,4 @@ src/misc/cbch_sniff
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src/misc/ccch_scan
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src/misc/layer23
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src/mobile/mobile
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src/misc/phy_info
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@ -54,6 +54,9 @@ int l1ctl_tx_tch_mode_req(struct osmocom_ms *ms, uint8_t tch_mode,
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/* Transmit ECHO_REQ */
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int l1ctl_tx_echo_req(struct osmocom_ms *ms, unsigned int len);
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/* Transmit info / features negotiation request */
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int l1ctl_tx_nego_req(struct osmocom_ms *ms);
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/* Transmit L1CTL_RESET_REQ */
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int l1ctl_tx_reset_req(struct osmocom_ms *ms, uint8_t type);
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@ -1,6 +1,7 @@
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#ifndef osmocom_data_h
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#define osmocom_data_h
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/select.h>
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#include <osmocom/gsm/gsm_utils.h>
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#include <osmocom/core/write_queue.h>
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@ -86,6 +87,9 @@ struct osmocom_ms {
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struct osmomncc_entity mncc_entity;
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struct llist_head trans_list;
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/* PHY info / features */
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struct msgb *phy_info;
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void *lua_state;
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int lua_cb_ref;
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char *lua_script;
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@ -106,6 +110,7 @@ enum osmobb_l1ctl_sig {
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S_L1CTL_TCH_MODE_CONF,
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S_L1CTL_LOSS_IND,
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S_L1CTL_NEIGH_PM_IND,
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S_L1CTL_NEGO_IND,
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};
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enum osmobb_global_sig {
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@ -612,6 +612,19 @@ int l1ctl_tx_echo_req(struct osmocom_ms *ms, unsigned int len)
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return osmo_send_l1(ms, msg);
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}
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int l1ctl_tx_nego_req(struct osmocom_ms *ms)
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{
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struct msgb *msg;
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msg = osmo_l1_alloc(L1CTL_PHY_NEGO_REQ);
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if (!msg)
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return -ENOMEM;
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/* TODO: the host side might also indicate some info... */
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return osmo_send_l1(ms, msg);
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}
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int l1ctl_tx_sim_req(struct osmocom_ms *ms, uint8_t *data, uint16_t length)
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{
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struct msgb *msg;
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@ -884,6 +897,28 @@ static int rx_l1_neigh_pm_ind(struct osmocom_ms *ms, struct msgb *msg)
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return 0;
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}
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/* Receive L1CTL_PHY_NEGO_IND */
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static int rx_l1_nego_ind(struct osmocom_ms *ms, struct msgb *msg)
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{
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struct l1ctl_phy_nego_ind *hdr;
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/* If we already have PHY info, free it */
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if (ms->phy_info)
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msgb_free(ms->phy_info);
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/* Store the received information */
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ms->phy_info = msg;
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/* Correct the header */
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hdr = (struct l1ctl_phy_nego_ind *) msg->l1h;
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hdr->len = ntohs(hdr->len);
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/* Notify everybody about this great event */
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osmo_signal_dispatch(SS_L1CTL, S_L1CTL_NEGO_IND, ms);
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return 0;
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}
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/* Receive incoming data from L1 using L1CTL format */
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int l1ctl_recv(struct osmocom_ms *ms, struct msgb *msg)
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{
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@ -952,6 +987,9 @@ int l1ctl_recv(struct osmocom_ms *ms, struct msgb *msg)
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case L1CTL_TRAFFIC_CONF:
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msgb_free(msg);
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break;
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case L1CTL_PHY_NEGO_IND:
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rc = rx_l1_nego_ind(ms, msg);
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break;
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default:
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LOGP(DL1C, LOGL_ERROR, "Unknown MSG: %u\n", hdr->msg_type);
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msgb_free(msg);
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@ -2,7 +2,7 @@ AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include
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AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBGPS_CFLAGS)
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LDADD = ../common/liblayer23.a $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOCODEC_LIBS) $(LIBGPS_LIBS)
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bin_PROGRAMS = bcch_scan ccch_scan echo_test cell_log cbch_sniff
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bin_PROGRAMS = bcch_scan ccch_scan echo_test cell_log cbch_sniff phy_info
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bcch_scan_SOURCES = ../common/main.c app_bcch_scan.c bcch_scan.c
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ccch_scan_SOURCES = ../common/main.c app_ccch_scan.c rslms.c
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@ -11,3 +11,4 @@ cell_log_LDADD = $(LDADD) -lm
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cell_log_SOURCES = ../common/main.c app_cell_log.c cell_log.c \
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../../../gsmmap/geo.c
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cbch_sniff_SOURCES = ../common/main.c app_cbch_sniff.c
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phy_info_SOURCES = ../common/main.c app_phy_info.c
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@ -0,0 +1,156 @@
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/*
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* PHY info / features negotiation test
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*
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* (C) 2018 by Vadim Yanitskiy <axilirator@gmail.com>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <osmocom/core/negotiation.h>
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#include <osmocom/core/signal.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/bb/common/osmocom_data.h>
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#include <osmocom/bb/common/l23_app.h>
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#include <osmocom/bb/common/l1ctl.h>
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#include <l1ctl_proto.h>
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extern int quit;
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static struct value_string fdesc[] = {
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BAND_400),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BAND_850),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BAND_900),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BAND_DCS),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BAND_PCS),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CODEC_HR),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CODEC_FR),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CODEC_EFR),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CODEC_HR_AMR),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CODEC_FR_AMR),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CHAN_XCCH),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CHAN_TCHF),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CHAN_TCHH),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CHAN_CBCH),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_CHAN_PTCH),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_1),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_2),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_3),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_4),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_5),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_6),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_A5_7),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_TX),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_FH),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_PM),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_NEIGH_PM),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_SIM),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_MEAS_REP),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BURST_TRX),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_BURST_IND),
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OSMO_VALUE_STRING(L1CTL_PHY_FEATURE_TRAFFIC),
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{ 0, NULL }
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};
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static void parse_nego_info(struct msgb *msg)
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{
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struct l1ctl_phy_nego_ind *hdr;
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const uint8_t *features;
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size_t features_len;
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const char *info;
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bool present;
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int i;
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hdr = (struct l1ctl_phy_nego_ind *) msg->l1h;
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info = osmo_nego_get_info(hdr->data, hdr->len, L1CTL_PHY_INFO_NAME);
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printf("[i] PHY name: %s\n", info);
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features = (uint8_t *) osmo_nego_get_info(hdr->data, hdr->len,
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L1CTL_PHY_INFO_FEATURES);
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if (!features) {
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printf("[!] PHY features: none\n");
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quit = 1;
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return;
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}
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/* HACK, modify the API */
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features_len = msg->tail - features;
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for (i = 0; i < _L1CTL_PHY_FEATURE_MAX; i++) {
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present = osmo_nego_check_feature(features, features_len, i);
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if (present)
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printf("[i] PHY feature: %s\n", get_value_string(fdesc, i));
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}
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/* We are done */
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quit = 1;
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}
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static int signal_cb(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data)
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{
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struct osmocom_ms *ms = (struct osmocom_ms *) signal_data;
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/* FIXME: ignore other signals? */
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if (subsys != SS_L1CTL)
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return 0;
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switch (signal) {
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case S_L1CTL_RESET:
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printf("RESET received, requesting info negotiation again...\n");
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l1ctl_tx_nego_req(ms);
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break;
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case S_L1CTL_NEGO_IND:
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printf("Received negotiation response, parsing...\n\n");
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parse_nego_info(ms->phy_info);
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}
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return 0;
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}
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int l23_app_init(struct osmocom_ms *ms)
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{
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/* Register L1CTL handler */
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osmo_signal_register_handler(SS_L1CTL, &signal_cb, NULL);
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/* Send negotiation request and wait for response */
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printf("Sending negotiation request...\n");
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l1ctl_tx_nego_req(ms);
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return 0;
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}
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static struct l23_app_info info = {
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.copyright = "(C) 2018 by Vadim Yanitskiy <axilirator@gmail.com>\n",
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};
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struct l23_app_info *l23_app_info()
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{
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return &info;
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}
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