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osmo-bsc
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[nat] Add option to forbid the paging to the BSC. 

This can be done for testing purposes and to allow making
a BTS crash that can not handle paging requests properly.
This commit is contained in:
Holger Hans Peter Freyther 2010-04-21 19:05:14 +08:00
parent b5513caaf8
commit 62e5843a61
3 changed files with 24 additions and 1 deletions
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2
openbsc/include/openbsc/bsc_nat.h
View File

@ -146,6 +146,8 @@ struct bsc_config {
char *imsi_deny;
regex_t imsi_deny_re;
int forbid_paging;
/* backpointer */
struct bsc_nat *nat;

4
openbsc/src/nat/bsc_nat.c
View File

@ -311,7 +311,9 @@ send_to_all:
if (parsed->ipa_proto == IPAC_PROTO_SCCP && parsed->gsm_type == BSS_MAP_MSG_PAGING) {
int lac;
bsc = bsc_nat_find_bsc(nat, msg, &lac);
if (bsc)
if (bsc && bsc->cfg->forbid_paging)
LOGP(DNAT, LOGL_NOTICE, "Paging forbidden for BTS: %d\n", bsc->cfg->nr);
else if (bsc)
bsc_send_data(bsc, msg->l2h, msgb_l2len(msg), parsed->ipa_proto);
else
LOGP(DNAT, LOGL_ERROR, "Could not determine BSC for paging on lac: %d/0x%x\n",

19
openbsc/src/nat/bsc_nat_vty.c
View File

@ -69,6 +69,7 @@ static void config_write_bsc_single(struct vty *vty, struct bsc_config *bsc)
vty_out(vty, " imsi allow %s%s", bsc->imsi_allow, VTY_NEWLINE);
if (bsc->imsi_deny)
vty_out(vty, " imsi deny %s%s", bsc->imsi_deny, VTY_NEWLINE);
vty_out(vty, " paging forbidden %d%s", bsc->forbid_paging, VTY_NEWLINE);
}
static int config_write_bsc(struct vty *vty)
@ -128,6 +129,8 @@ DEFUN(show_bsc_cfg, show_bsc_cfg_cmd, "bsc config show",
conf->imsi_allow ? conf->imsi_allow: "any",
conf->imsi_deny ? conf->imsi_deny : "none",
VTY_NEWLINE);
vty_out(vty, " paging forbidden: %d%s",
conf->forbid_paging, VTY_NEWLINE);
}
return CMD_SUCCESS;
@ -315,6 +318,21 @@ DEFUN(cfg_bsc_imsi_deny,
return CMD_SUCCESS;
}
DEFUN(cfg_bsc_paging,
cfg_bsc_paging_cmd,
"paging forbidden (0|1)",
"Forbid sending PAGING REQUESTS to the BSC.")
{
struct bsc_config *conf = vty->index;
if (strcmp("1", argv[1]) == 0)
conf->forbid_paging = 1;
else
conf->forbid_paging = 0;
return CMD_SUCCESS;
}
int bsc_nat_vty_init(struct bsc_nat *nat)
{
_nat = nat;
@ -347,6 +365,7 @@ int bsc_nat_vty_init(struct bsc_nat *nat)
install_element(BSC_NODE, &cfg_bsc_lac_cmd);
install_element(BSC_NODE, &cfg_bsc_imsi_allow_cmd);
install_element(BSC_NODE, &cfg_bsc_imsi_deny_cmd);
install_element(BSC_NODE, &cfg_bsc_paging_cmd);
mgcp_vty_init();