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mostly cosmetic: have one msc_conn_close() with cause argument

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Change-Id: Ied7663f856cfce6e7ed1c0314fd558af85091dcc
This commit is contained in:
Neels Hofmeyr
2017-03-10 02:12:32 +01:00
parent 78fc746b10
commit 525a8ac9d7
4 changed files with 17 additions and 14 deletions
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2
openbsc/include/openbsc/osmo_msc.h
View File

@@ -77,7 +77,7 @@ int msc_compl_l3(struct gsm_subscriber_connection *conn,
void msc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg);
void msc_cipher_mode_compl(struct gsm_subscriber_connection *conn,
struct msgb *msg, uint8_t alg_id);
void msc_close_connection(struct gsm_subscriber_connection *conn);
void msc_conn_close(struct gsm_subscriber_connection *conn, uint32_t cause);
bool msc_subscr_conn_is_accepted(struct gsm_subscriber_connection *conn);
void msc_subscr_conn_communicating(struct gsm_subscriber_connection *conn);

19
openbsc/src/libmsc/gsm_04_08.c
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@@ -202,8 +202,7 @@ void gsm0408_clear_request(struct gsm_subscriber_connection *conn, uint32_t caus
return;
}
/* TODO add cause item to msc_close_connection() */
osmo_fsm_inst_dispatch(conn->conn_fsm, SUBSCR_CONN_E_CN_CLOSE, &cause);
msc_conn_close(conn, cause);
}
/* clear all transactions globally; used in case of MNCC socket disconnect */
@@ -802,7 +801,7 @@ static int gsm48_rx_mm_imsi_detach_ind(struct gsm_subscriber_connection *conn, s
return 0;
#endif
msc_close_connection(conn);
msc_conn_close(conn, 0);
return 0;
}
@@ -898,7 +897,7 @@ static int gsm48_rx_mm_auth_resp(struct gsm_subscriber_connection *conn, struct
if (!conn->vsub) {
LOGP(DMM, LOGL_ERROR,
"MM AUTHENTICATION RESPONSE: invalid: no subscriber\n");
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -912,7 +911,7 @@ static int gsm48_rx_mm_auth_resp(struct gsm_subscriber_connection *conn, struct
}
if (rc) {
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -937,7 +936,7 @@ static int gsm48_rx_mm_auth_fail(struct gsm_subscriber_connection *conn, struct
if (!conn->vsub) {
LOGP(DMM, LOGL_ERROR,
"MM R99 AUTHENTICATION FAILURE: invalid: no subscriber\n");
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -946,7 +945,7 @@ static int gsm48_rx_mm_auth_fail(struct gsm_subscriber_connection *conn, struct
"%s: MM R99 AUTHENTICATION FAILURE:"
" l3 length invalid: %u\n",
vlr_subscr_name(conn->vsub), msgb_l3len(msg));
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -969,7 +968,7 @@ static int gsm48_rx_mm_auth_fail(struct gsm_subscriber_connection *conn, struct
"%s: MM R99 AUTHENTICATION FAILURE:"
" invalid Synch Failure: missing AUTS IE\n",
vlr_subscr_name(conn->vsub));
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -986,7 +985,7 @@ static int gsm48_rx_mm_auth_fail(struct gsm_subscriber_connection *conn, struct
" got IE 0x%02x of %u bytes\n",
vlr_subscr_name(conn->vsub),
GSM48_IE_AUTS, auts_tag, auts_len);
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}
@@ -995,7 +994,7 @@ static int gsm48_rx_mm_auth_fail(struct gsm_subscriber_connection *conn, struct
"%s: MM R99 AUTHENTICATION FAILURE:"
" invalid Synch Failure msg: message truncated (%u)\n",
vlr_subscr_name(conn->vsub), msgb_l3len(msg));
gsm0408_clear_request(conn, GSM_CAUSE_AUTH_FAILED);
msc_conn_close(conn, GSM_CAUSE_AUTH_FAILED);
return -EINVAL;
}

2
openbsc/src/libmsc/iucs.c
View File

@@ -151,7 +151,7 @@ int gsm0408_rcvmsg_iucs(struct gsm_network *network, struct msgb *msg,
" %s from LAC %d to %d\n",
vlr_subscr_name(conn->vsub), conn->lac, *lac);
/* Deallocate conn with previous LAC */
gsm0408_clear_request(conn, 0);
msc_conn_close(conn, GSM_CAUSE_INV_MAND_INFO);
/* At this point we could be tolerant and allocate a new
* connection, but changing the LAC within the same connection
* is shifty. Rather cancel everything. */

8
openbsc/src/libmsc/osmo_msc.c
View File

@@ -241,7 +241,11 @@ struct bsc_api *msc_bsc_api() {
return &msc_handler;
}
void msc_close_connection(struct gsm_subscriber_connection *conn)
/* Signal the connection's FSM to gracefully terminate the connection by a
* SUBSCR_CONN_E_CN_CLOSE event.
* \param cause a GSM_CAUSE_* constant, e.g. GSM_CAUSE_AUTH_FAILED.
*/
void msc_conn_close(struct gsm_subscriber_connection *conn, uint32_t cause)
{
if (!conn)
return;
@@ -251,7 +255,7 @@ void msc_close_connection(struct gsm_subscriber_connection *conn)
return;
if (conn->conn_fsm->state == SUBSCR_CONN_S_RELEASED)
return;
osmo_fsm_inst_dispatch(conn->conn_fsm, SUBSCR_CONN_E_CN_CLOSE, NULL);
osmo_fsm_inst_dispatch(conn->conn_fsm, SUBSCR_CONN_E_CN_CLOSE, &cause);
}
/* increment the ref-count. Needs to be called by every user */