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-rw-r--r--src/osmo-bsc/Makefile.am1
-rw-r--r--src/osmo-bsc/neighbor_ident_vty.c296
-rw-r--r--src/osmo-bsc/neighbor_iter.c152
3 files changed, 414 insertions, 35 deletions
diff --git a/src/osmo-bsc/Makefile.am b/src/osmo-bsc/Makefile.am
index 364228d8c..c96ebb59c 100644
--- a/src/osmo-bsc/Makefile.am
+++ b/src/osmo-bsc/Makefile.am
@@ -73,6 +73,7 @@ osmo_bsc_SOURCES = \
mgw_endpoint_fsm.c \
neighbor_ident.c \
neighbor_ident_vty.c \
+ neighbor_iter.c \
net_init.c \
gsm_08_08.c \
osmo_bsc_bssap.c \
diff --git a/src/osmo-bsc/neighbor_ident_vty.c b/src/osmo-bsc/neighbor_ident_vty.c
index 203b15057..1847aa950 100644
--- a/src/osmo-bsc/neighbor_ident_vty.c
+++ b/src/osmo-bsc/neighbor_ident_vty.c
@@ -86,6 +86,13 @@ bool neighbor_ident_bts_parse_key_params(struct vty *vty, struct gsm_bts *bts, c
#define LOCAL_BTS_PARAMS "bts <0-255>"
#define LOCAL_BTS_DOC "Neighbor cell by local BTS number\n" "BTS number\n"
+#define SHOW_BTS_PARAMS "show " LOCAL_BTS_PARAMS
+#define SHOW_BTS_DOC SHOW_STR "Display information about a BTS\n" "BTS number\n"
+
+#define SHOW_BTS_NEIGHBOR_PARAMS SHOW_BTS_PARAMS " neighbor"
+#define SHOW_BTS_NEIGHBOR_DOC SHOW_BTS_DOC \
+ "List this cell's neighbors matching the given criteria\n"
+
static struct gsm_bts *neighbor_ident_vty_parse_bts_nr(struct vty *vty, const char **argv)
{
const char *bts_nr_str = argv[0];
@@ -186,7 +193,7 @@ static int add_local_bts(struct vty *vty, struct gsm_bts *neigh)
return CMD_SUCCESS;
}
-static int del_local_bts(struct vty *vty, struct gsm_bts *neigh)
+static int del_local_bts_neighbor(struct vty *vty, struct gsm_bts *neigh)
{
int rc;
struct gsm_bts *bts = vty->index;
@@ -211,12 +218,123 @@ static int del_local_bts(struct vty *vty, struct gsm_bts *neigh)
neigh->nr, bts->nr, strerror(-rc), VTY_NEWLINE);
return CMD_WARNING;
}
- if (rc == 0)
+ if (rc == 0) {
vty_out(vty, "%% BTS %u is no neighbor of BTS %u%s",
neigh->nr, bts->nr, VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ vty_out(vty, "%% Removed from BTS %u local neighbor BTS %u%s", bts->nr, neigh->nr, VTY_NEWLINE);
+ return CMD_SUCCESS;
+}
+
+static int del_remote_neighbor(struct vty *vty, const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val)
+{
+ vty_out(vty, "%% Removing remote neighbor: %s %s%s",
+ neighbor_ident_key_name(key),
+ gsm0808_cell_id_list_name(val),
+ VTY_NEWLINE);
+ if (!neighbor_ident_del(g_neighbor_cells, key)) {
+ vty_out(vty, "%% Error: removing neighbor failed%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ return CMD_SUCCESS;
+}
+
+struct del_local_or_remote_neighbor_iter_data {
+ struct vty *vty;
+ struct gsm_bts *bts;
+ const struct gsm0808_cell_id *id;
+ int count_local;
+ int count_remote;
+};
+
+static bool del_local_or_remote_neighbor_iter_cb_count(struct gsm_bts *from_bts,
+ struct gsm_bts *neighbor_bts,
+ const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ int val_idx,
+ void *cb_data)
+{
+ struct del_local_or_remote_neighbor_iter_data *d = cb_data;
+ if (neighbor_bts)
+ d->count_local++;
+ else
+ d->count_remote++;
+ return true;
+}
+
+static bool del_local_or_remote_neighbor_iter_cb_list(struct gsm_bts *from_bts,
+ struct gsm_bts *neighbor_bts,
+ const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ int val_idx,
+ void *cb_data)
+{
+ struct del_local_or_remote_neighbor_iter_data *d = cb_data;
+ struct vty *vty = d->vty;
+ if (neighbor_bts)
+ vty_out(vty, "%% BTS %u has local neighbor BTS %u%s",
+ d->bts->nr, neighbor_bts->nr, VTY_NEWLINE);
+ else
+ vty_out(vty, "%% Remote neighbor %s %s%s",
+ neighbor_ident_key_name(key),
+ gsm0808_cell_id_list_name(val), VTY_NEWLINE);
+ return true;
+}
+
+static bool del_local_or_remote_neighbor_iter_cb_del(struct gsm_bts *from_bts,
+ struct gsm_bts *neighbor_bts,
+ const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ int val_idx,
+ void *cb_data)
+{
+ struct del_local_or_remote_neighbor_iter_data *d = cb_data;
+
+ if (neighbor_bts)
+ del_local_bts_neighbor(d->vty, neighbor_bts);
+ else
+ del_remote_neighbor(d->vty, key, val);
+ return true;
+}
+
+static int del_local_or_remote_neighbor(struct vty *vty, const struct gsm0808_cell_id *id,
+ bool allow_multiple_matches)
+{
+ struct del_local_or_remote_neighbor_iter_data d = {
+ .vty = vty,
+ .bts = vty->index,
+ .id = id,
+ };
+ int total;
+
+ if (vty->node != BTS_NODE)
+ d.bts = NULL;
+
+ neighbors_find_by_cell_id(g_net, d.bts, g_neighbor_cells, id, true, true,
+ del_local_or_remote_neighbor_iter_cb_count, &d);
+
+ total = d.count_local + d.count_remote;
+ if (!total) {
+ vty_out(vty, "%% No matching neighbor%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (total > 1 && !allow_multiple_matches) {
+ vty_out(vty, "%% More than one match found:%s", VTY_NEWLINE);
+ neighbors_find_by_cell_id(g_net, d.bts, g_neighbor_cells, id, true, true,
+ del_local_or_remote_neighbor_iter_cb_list,
+ &d);
+ return CMD_WARNING;
+ }
+
+ total = neighbors_find_by_cell_id(g_net, d.bts, g_neighbor_cells, id, true, true,
+ del_local_or_remote_neighbor_iter_cb_del, &d);
return CMD_SUCCESS;
}
+
DEFUN(cfg_neighbor_add_bts_nr, cfg_neighbor_add_bts_nr_cmd,
NEIGHBOR_ADD_CMD LOCAL_BTS_PARAMS,
NEIGHBOR_ADD_DOC LOCAL_BTS_DOC)
@@ -352,7 +470,7 @@ static int del_by_key(struct vty *vty, const struct neighbor_ident_key *key)
continue;
rc = gsm_bts_local_neighbor_del(bts, neigh->bts);
if (rc > 0) {
- vty_out(vty, "%% Removed local neighbor bts %u to bts %u%s",
+ vty_out(vty, "%% Removed from BTS %u local neighbor BTS %u%s",
bts->nr, neigh_bts->nr, VTY_NEWLINE);
removed += rc;
}
@@ -415,7 +533,7 @@ DEFUN(cfg_neighbor_del_bts_nr, cfg_neighbor_del_bts_nr_cmd,
NEIGHBOR_DEL_CMD LOCAL_BTS_PARAMS,
NEIGHBOR_DEL_DOC LOCAL_BTS_DOC)
{
- return del_local_bts(vty, neighbor_ident_vty_parse_bts_nr(vty, argv));
+ return del_local_bts_neighbor(vty, neighbor_ident_vty_parse_bts_nr(vty, argv));
}
DEFUN(cfg_neighbor_del_arfcn_bsic, cfg_neighbor_del_arfcn_bsic_cmd,
@@ -430,28 +548,45 @@ DEFUN(cfg_neighbor_del_arfcn_bsic, cfg_neighbor_del_arfcn_bsic_cmd,
return del_by_key(vty, &key);
}
+DEFUN(cfg_neighbor_del_lac, cfg_neighbor_del_lac_cmd,
+ NEIGHBOR_DEL_CMD LAC_PARAMS,
+ NEIGHBOR_DEL_DOC LAC_DOC)
+{
+ return del_local_or_remote_neighbor(vty, neighbor_ident_vty_parse_lac(vty, argv), false);
+}
+
+DEFUN(cfg_neighbor_del_lac_ci, cfg_neighbor_del_lac_ci_cmd,
+ NEIGHBOR_DEL_CMD LAC_CI_PARAMS,
+ NEIGHBOR_DEL_DOC LAC_CI_DOC)
+{
+ return del_local_or_remote_neighbor(vty, neighbor_ident_vty_parse_lac(vty, argv), false);
+}
+
+DEFUN(cfg_neighbor_del_cgi, cfg_neighbor_del_cgi_cmd,
+ NEIGHBOR_DEL_CMD CGI_PARAMS,
+ NEIGHBOR_DEL_DOC CGI_DOC)
+{
+ return del_local_or_remote_neighbor(vty, neighbor_ident_vty_parse_lac(vty, argv), false);
+}
+
+
struct write_neighbor_ident_entry_data {
struct vty *vty;
const char *indent;
struct gsm_bts *bts;
};
-static bool write_neighbor_ident_list(const struct neighbor_ident_key *key,
- const struct gsm0808_cell_id_list2 *val,
- void *cb_data)
+static void write_neighbor_ident_list_entry(struct vty *vty,
+ const char *indent,
+ const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ int idx)
{
- struct write_neighbor_ident_entry_data *d = cb_data;
- struct vty *vty = d->vty;
- int i;
-
- if (d->bts) {
- if (d->bts->nr != key->from_bts)
- return true;
- } else if (key->from_bts != NEIGHBOR_IDENT_KEY_ANY_BTS)
- return true;
+ if (idx >= val->id_list_len)
+ return;
#define NEIGH_BSS_WRITE(fmt, args...) do { \
- vty_out(vty, "%sneighbor " fmt " arfcn %u ", d->indent, ## args, key->arfcn); \
+ vty_out(vty, "%sneighbor " fmt " arfcn %u ", indent, ## args, key->arfcn); \
if (key->bsic == BSIC_ANY) \
vty_out(vty, "bsic any"); \
else \
@@ -461,20 +596,16 @@ static bool write_neighbor_ident_list(const struct neighbor_ident_key *key,
switch (val->id_discr) {
case CELL_IDENT_LAC:
- for (i = 0; i < val->id_list_len; i++) {
- NEIGH_BSS_WRITE("lac %u", val->id_list[i].lac);
- }
+ NEIGH_BSS_WRITE("lac %u", val->id_list[idx].lac);
break;
case CELL_IDENT_LAC_AND_CI:
- for (i = 0; i < val->id_list_len; i++) {
- NEIGH_BSS_WRITE("lac-ci %u %u",
- val->id_list[i].lac_and_ci.lac,
- val->id_list[i].lac_and_ci.ci);
- }
+ NEIGH_BSS_WRITE("lac-ci %u %u",
+ val->id_list[idx].lac_and_ci.lac,
+ val->id_list[idx].lac_and_ci.ci);
break;
case CELL_IDENT_WHOLE_GLOBAL:
- for (i = 0; i < val->id_list_len; i++) {
- const struct osmo_cell_global_id *cgi = &val->id_list[i].global;
+ {
+ const struct osmo_cell_global_id *cgi = &val->id_list[idx].global;
NEIGH_BSS_WRITE("cgi %s %s %u %u",
osmo_mcc_name(cgi->lai.plmn.mcc),
osmo_mnc_name(cgi->lai.plmn.mnc, cgi->lai.plmn.mnc_3_digits),
@@ -482,10 +613,28 @@ static bool write_neighbor_ident_list(const struct neighbor_ident_key *key,
}
break;
default:
- vty_out(vty, "%% Unsupported Cell Identity%s", VTY_NEWLINE);
+ vty_out(vty, "%% Unsupported Cell Identity type: %d%s", val->id_discr, VTY_NEWLINE);
}
#undef NEIGH_BSS_WRITE
+}
+
+static bool write_neighbor_ident_list(const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ void *cb_data)
+{
+ struct write_neighbor_ident_entry_data *d = cb_data;
+ struct vty *vty = d->vty;
+ int i;
+ if (d->bts) {
+ if (d->bts->nr != key->from_bts)
+ return true;
+ } else if (key->from_bts != NEIGHBOR_IDENT_KEY_ANY_BTS)
+ return true;
+
+ for (i = 0; i < val->id_list_len; i++) {
+ write_neighbor_ident_list_entry(vty, d->indent, key, val, i);
+ }
return true;
}
@@ -500,12 +649,17 @@ void neighbor_ident_vty_write_remote_bss(struct vty *vty, const char *indent, st
neighbor_ident_iter(g_neighbor_cells, write_neighbor_ident_list, &d);
}
+void neighbor_ident_vty_write_local_neighbor(struct vty *vty, const char *indent, struct gsm_bts *neighbor_bts)
+{
+ vty_out(vty, "%sneighbor bts %u%s", indent, neighbor_bts->nr, VTY_NEWLINE);
+}
+
void neighbor_ident_vty_write_local_neighbors(struct vty *vty, const char *indent, struct gsm_bts *bts)
{
struct gsm_bts_ref *neigh;
llist_for_each_entry(neigh, &bts->local_neighbors, entry) {
- vty_out(vty, "%sneighbor bts %u%s", indent, neigh->bts->nr, VTY_NEWLINE);
+ neighbor_ident_vty_write_local_neighbor(vty, indent, neigh->bts);
}
}
@@ -515,11 +669,25 @@ void neighbor_ident_vty_write(struct vty *vty, const char *indent, struct gsm_bt
neighbor_ident_vty_write_remote_bss(vty, indent, bts);
}
-DEFUN(show_bts_neighbor, show_bts_neighbor_cmd,
- "show bts <0-255> neighbor " NEIGHBOR_IDENT_VTY_KEY_PARAMS,
- SHOW_STR "Display information about a BTS\n" "BTS number\n"
- "Query which cell would be the target for this neighbor ARFCN+BSIC\n"
- NEIGHBOR_IDENT_VTY_KEY_DOC)
+DEFUN(show_bts_neighbor_all, show_bts_neighbor_all_cmd,
+ SHOW_BTS_NEIGHBOR_PARAMS " all",
+ SHOW_BTS_NEIGHBOR_DOC "List all neighbors\n")
+{
+ struct gsm_bts *bts = gsm_bts_num(g_net, atoi(argv[0]));
+
+ if (!bts) {
+ vty_out(vty, "%% Error: cannot find BTS '%s'%s", argv[0],
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ neighbor_ident_vty_write(vty, "% ", bts);
+ return CMD_SUCCESS;
+}
+
+DEFUN(show_bts_neighbor_arfcn, show_bts_neighbor_arfcn_cmd,
+ SHOW_BTS_NEIGHBOR_PARAMS " " NEIGHBOR_IDENT_VTY_KEY_PARAMS,
+ SHOW_BTS_NEIGHBOR_DOC NEIGHBOR_IDENT_VTY_KEY_DOC)
{
int found = 0;
struct neighbor_ident_key key;
@@ -563,6 +731,57 @@ DEFUN(show_bts_neighbor, show_bts_neighbor_cmd,
return CMD_SUCCESS;
}
+static bool show_neighbor_by_cell_id_cb(struct gsm_bts *from_bts,
+ struct gsm_bts *neighbor_bts,
+ const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ int val_idx,
+ void *cb_data)
+{
+ struct vty *vty = cb_data;
+ if (neighbor_bts)
+ neighbor_ident_vty_write_local_neighbor(vty, "% ", neighbor_bts);
+ else
+ write_neighbor_ident_list_entry(vty, "% ", key, val, val_idx);
+ return true;
+}
+
+static int show_neighbor_by_cell_id(struct vty *vty, const char **argv, const struct gsm0808_cell_id *id)
+{
+ struct gsm_bts *bts = gsm_bts_num(g_net, atoi(argv[0]));
+
+ if (!bts) {
+ vty_out(vty, "%% Error: cannot find BTS '%s'%s", argv[0],
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ neighbors_find_by_cell_id(g_net, bts, g_neighbor_cells, id, false, true,
+ show_neighbor_by_cell_id_cb, vty);
+ return CMD_SUCCESS;
+}
+
+DEFUN(show_bts_neighbor_lac, show_bts_neighbor_lac_cmd,
+ SHOW_BTS_NEIGHBOR_PARAMS " " LAC_PARAMS,
+ SHOW_BTS_NEIGHBOR_DOC LAC_DOC)
+{
+ return show_neighbor_by_cell_id(vty, argv, neighbor_ident_vty_parse_lac(vty, &argv[1]));
+}
+
+DEFUN(show_bts_neighbor_lac_ci, show_bts_neighbor_lac_ci_cmd,
+ SHOW_BTS_NEIGHBOR_PARAMS " " LAC_CI_PARAMS,
+ SHOW_BTS_NEIGHBOR_DOC LAC_CI_DOC)
+{
+ return show_neighbor_by_cell_id(vty, argv, neighbor_ident_vty_parse_lac_ci(vty, &argv[1]));
+}
+
+DEFUN(show_bts_neighbor_cgi, show_bts_neighbor_cgi_cmd,
+ SHOW_BTS_NEIGHBOR_PARAMS " " CGI_PARAMS,
+ SHOW_BTS_NEIGHBOR_DOC CGI_DOC)
+{
+ return show_neighbor_by_cell_id(vty, argv, neighbor_ident_vty_parse_cgi(vty, &argv[1]));
+}
+
void neighbor_ident_vty_init(struct gsm_network *net, struct neighbor_ident_list *nil)
{
g_net = net;
@@ -576,5 +795,12 @@ void neighbor_ident_vty_init(struct gsm_network *net, struct neighbor_ident_list
install_element(BTS_NODE, &cfg_neighbor_add_cgi_arfcn_bsic_cmd);
install_element(BTS_NODE, &cfg_neighbor_del_bts_nr_cmd);
install_element(BTS_NODE, &cfg_neighbor_del_arfcn_bsic_cmd);
- install_element_ve(&show_bts_neighbor_cmd);
+ install_element(BTS_NODE, &cfg_neighbor_del_lac_cmd);
+ install_element(BTS_NODE, &cfg_neighbor_del_lac_ci_cmd);
+ install_element(BTS_NODE, &cfg_neighbor_del_cgi_cmd);
+ install_element_ve(&show_bts_neighbor_all_cmd);
+ install_element_ve(&show_bts_neighbor_arfcn_cmd);
+ install_element_ve(&show_bts_neighbor_lac_cmd);
+ install_element_ve(&show_bts_neighbor_lac_ci_cmd);
+ install_element_ve(&show_bts_neighbor_cgi_cmd);
}
diff --git a/src/osmo-bsc/neighbor_iter.c b/src/osmo-bsc/neighbor_iter.c
new file mode 100644
index 000000000..79807735a
--- /dev/null
+++ b/src/osmo-bsc/neighbor_iter.c
@@ -0,0 +1,152 @@
+/* Copyright (C) 2018 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <neels@hofmeyr.de>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/* This file implements iteration of both local and remote neighbors, which has dependencies to both
+ * gsm_data.c as well as neighbor_ident.c. Placing this in gsm_data.c would require various tools to
+ * include the neighbor_ident.c implementations. In turn, neighbor_ident.c is gsm_data.c agnostic. */
+
+#include <osmocom/bsc/gsm_data.h>
+#include <osmocom/bsc/neighbor_ident.h>
+
+static int bts_local_neighbors_find_by_cell_id(struct gsm_bts *for_bts,
+ const struct gsm0808_cell_id *id,
+ neighbors_find_by_cell_id_cb_t cb,
+ void *cb_data)
+{
+ int count = 0;
+ struct gsm_bts_ref *ref, *ref_next;
+ llist_for_each_entry_safe(ref, ref_next, &for_bts->local_neighbors, entry) {
+ if (!id || gsm_bts_matches_cell_id(ref->bts, id)) {
+ if (cb)
+ cb(for_bts, ref->bts, NULL, NULL, -1, cb_data);
+ count ++;
+ }
+ }
+ return count;
+}
+
+static int all_local_neighbors_find_by_cell_id(struct gsm_network *net,
+ const struct gsm0808_cell_id *id,
+ neighbors_find_by_cell_id_cb_t cb,
+ void *cb_data)
+{
+ struct gsm_bts *bts, *bts_next;
+ int count = 0;
+ llist_for_each_entry_safe(bts, bts_next, &net->bts_list, list) {
+ count += bts_local_neighbors_find_by_cell_id(bts, id, cb, cb_data);
+ }
+ return count;
+}
+
+struct neighbors_find_by_cell_id_iter_cb_data {
+ struct gsm_network *net;
+ const struct gsm0808_cell_id *id;
+ bool all_matches;
+ neighbors_find_by_cell_id_cb_t cb;
+ void *cb_data;
+ int count;
+};
+
+static bool neighbors_find_by_cell_id_iter_cb(const struct neighbor_ident_key *key,
+ const struct gsm0808_cell_id_list2 *val,
+ void *cb_data)
+{
+ struct neighbors_find_by_cell_id_iter_cb_data *d = cb_data;
+ unsigned int match_nr;
+ int match_idx;
+
+ for (match_nr = 0; ; match_nr ++) {
+ /* On mismatch, just continue iterating. */
+ match_idx = gsm0808_cell_id_matches_list(d->id, val, match_nr);
+ if (match_idx < 0)
+ return true;
+
+ /* Match! */
+ if (d->cb)
+ d->cb(d->net ? gsm_bts_num(d->net, key->from_bts) : NULL,
+ NULL,
+ key, val,
+ match_idx,
+ d->cb_data);
+ d->count ++;
+
+ /* If neighbors_find_by_cell_id() was invoked with remote_neighbors_all_matches == false,
+ * stop looking after the first match in this list. */
+ if (!d->all_matches)
+ return true;
+ }
+ return true;
+}
+
+/* Find all neighbors that match a given Cell Identifier.
+ * If 'for_bts' is given, only neighbors for that cell are returned; NULL matches all cells' neighbors.
+ * If 'neighbor_bss_cells' is NULL, no remote neighbors are returned.
+ * If 'id' is NULL, all neighbors are returned. The id restricts the matches, where a CGI type is most
+ * restrictive, and a LAC type might still match a neighbor with LAC+CI or a neighbor with full CGI that
+ * contains this LAC.
+ * Results are returned by calling the cb(). If cb() returns false, further iteration is stopped.
+ * It is safe to remove any neighbor entries, except the neighbor entry *following* the one passed to
+ * cb(), i.e. you may remove the neighbor passed to cb(), but not the adjacent following llist entry.
+ *
+ * With remote_neighbors_exact_match == true, ignore remote-BSS neighbors with a cell id list that have a
+ * CELL_IDENT that differs from the id->id_discr. With false, any matching cell id item counts, e.g. a
+ * LAC of 23 matches a CGI that contains a LAC = 23.
+ *
+ * With remote_neighbors_all_matches == false, return only the first match in each cell id list of a
+ * remote neighbor. With true, cb() will be invoked for each matching val_idx in the given cell id list.
+ */
+int neighbors_find_by_cell_id(struct gsm_network *net,
+ struct gsm_bts *for_bts,
+ struct neighbor_ident_list *neighbor_bss_cells,
+ const struct gsm0808_cell_id *id,
+ bool remote_neighbors_exact_match,
+ bool remote_neighbors_all_matches,
+ neighbors_find_by_cell_id_cb_t cb,
+ void *cb_data)
+{
+ int count = 0;
+
+ /* Local neighbors */
+ if (for_bts) {
+ count += bts_local_neighbors_find_by_cell_id(for_bts, id, cb, cb_data);
+ if (!net)
+ net = for_bts->network;
+ } else if (net)
+ count += all_local_neighbors_find_by_cell_id(net, id, cb, cb_data);
+
+ /* Remote neighbors */
+ if (neighbor_bss_cells) {
+ struct neighbors_find_by_cell_id_iter_cb_data d = {
+ .net = net,
+ .id = id,
+ .all_matches = remote_neighbors_all_matches,
+ .cb = cb,
+ .cb_data = cb_data,
+ };
+
+ neighbor_ident_iter(neighbor_bss_cells,
+ neighbors_find_by_cell_id_iter_cb,
+ &d);
+ count += d.count;
+ }
+ return count;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 17:07:21 +0000