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implement human-readable RSL cause printing

This commit is contained in:
Harald Welte 2009-07-28 17:58:09 +02:00
parent 716fa9f0d2
commit 9869c0a0c8
2 changed files with 74 additions and 20 deletions
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12
openbsc/include/openbsc/abis_rsl.h
View File

@ -319,11 +319,14 @@ struct rsl_ie_chan_ident {
#define RSL_ERRCLS_PROTO_ERROR 0x60
#define RSL_ERRCLS_INTERWORKING 0x70
/* normal event */
#define RSL_ERR_RADIO_IF_FAIL 0x00
#define RSL_ERR_RADIO_LINK_FAIL 0x01
#define RSL_ERR_HANDOVER_ACC_FAIL 0x02
#define RSL_ERR_TALKER_ACC_FAIL 0x03
#define RSL_ERR_OM_INTERVENTION 0x07
#define RSL_ERR_NORMAL_UNSPEC 0x0f
/* resource unavailable */
#define RSL_ERR_EQUIPMENT_FAIL 0x20
#define RSL_ERR_RR_UNAVAIL 0x21
#define RSL_ERR_TERR_CH_FAIL 0x22
@ -331,15 +334,19 @@ struct rsl_ie_chan_ident {
#define RSL_ERR_ACCH_OVERLOAD 0x24
#define RSL_ERR_PROCESSOR_OVERLOAD 0x25
#define RSL_ERR_RES_UNAVAIL 0x2f
/* service or option not available */
#define RSL_ERR_TRANSC_UNAVAIL 0x30
#define RSL_ERR_SERV_OPT_UNAVAIL 0x3f
/* service or option not implemented */
#define RSL_ERR_ENCR_UNIMPL 0x40
#define RSL_ERR_SEV_OPT_UNIMPL 0x4f
#define RSL_ERR_SERV_OPT_UNIMPL 0x4f
/* invalid message */
#define RSL_ERR_RCH_ALR_ACTV_ALLOC 0x50
#define RSL_ERR_INVALID_MESSAGE 0x5f
/* protocol error */
#define RSL_ERR_MSG_DISCR 0x60
#define RSL_ERR_MSG_TYPE 0x61
#define RSL_ERR_MSG_SEQA 0x62
#define RSL_ERR_MSG_SEQ 0x62
#define RSL_ERR_IE_ERROR 0x63
#define RSL_ERR_MAND_IE_ERROR 0x64
#define RSL_ERR_OPT_IE_ERROR 0x65
@ -347,6 +354,7 @@ struct rsl_ie_chan_ident {
#define RSL_ERR_IE_LENGTH 0x67
#define RSL_ERR_IE_CONTENT 0x68
#define RSL_ERR_PROTO 0x6f
/* interworking */
#define RSL_ERR_INTERWORKING 0x7f
/* Chapter 9.3.30 */

82
openbsc/src/abis_rsl.c
View File

@ -314,18 +314,55 @@ static void pad_macblock(u_int8_t *out, const u_int8_t *in, int len)
memset(out+len, 0x2b, MACBLOCK_SIZE-len);
}
static void print_rsl_cause(u_int8_t *cause_tlv)
static const char *rsl_err_vals[0xff] = {
[RSL_ERR_RADIO_IF_FAIL] = "Radio Interface Failure",
[RSL_ERR_RADIO_LINK_FAIL] = "Radio Link Failure",
[RSL_ERR_HANDOVER_ACC_FAIL] = "Handover Access Failure",
[RSL_ERR_TALKER_ACC_FAIL] = "Talker Access Failure",
[RSL_ERR_OM_INTERVENTION] = "O&M Intervention",
[RSL_ERR_NORMAL_UNSPEC] = "Normal event, unspecified",
[RSL_ERR_EQUIPMENT_FAIL] = "Equipment Failure",
[RSL_ERR_RR_UNAVAIL] = "Radio Resource not available",
[RSL_ERR_TERR_CH_FAIL] = "Terrestrial Channel Failure",
[RSL_ERR_CCCH_OVERLOAD] = "CCCH Overload",
[RSL_ERR_ACCH_OVERLOAD] = "ACCH Overload",
[RSL_ERR_PROCESSOR_OVERLOAD] = "Processor Overload",
[RSL_ERR_RES_UNAVAIL] = "Resource not available, unspecified",
[RSL_ERR_TRANSC_UNAVAIL] = "Transcoding not available",
[RSL_ERR_SERV_OPT_UNAVAIL] = "Service or Option not available",
[RSL_ERR_ENCR_UNIMPL] = "Encryption algorithm not implemented",
[RSL_ERR_SERV_OPT_UNIMPL] = "Service or Option not implemented",
[RSL_ERR_RCH_ALR_ACTV_ALLOC] = "Radio channel already activated",
[RSL_ERR_INVALID_MESSAGE] = "Invalid Message, unspecified",
[RSL_ERR_MSG_DISCR] = "Message Discriminator Error",
[RSL_ERR_MSG_TYPE] = "Message Type Error",
[RSL_ERR_MSG_SEQ] = "Message Sequence Error",
[RSL_ERR_IE_ERROR] = "General IE error",
[RSL_ERR_MAND_IE_ERROR] = "Mandatory IE error",
[RSL_ERR_OPT_IE_ERROR] = "Optional IE error",
[RSL_ERR_IE_NONEXIST] = "IE non-existent",
[RSL_ERR_IE_LENGTH] = "IE length error",
[RSL_ERR_IE_CONTENT] = "IE content error",
[RSL_ERR_PROTO] = "Protocol error, unspecified",
[RSL_ERR_INTERWORKING] = "Interworking error, unspecified",
};
static const char *rsl_err_name(u_int8_t err)
{
if (rsl_err_vals[err])
return rsl_err_vals[err];
else
return "unknown";
}
static void print_rsl_cause(const u_int8_t *cause_v, u_int8_t cause_len)
{
u_int8_t cause_len;
int i;
if (cause_tlv[0] != RSL_IE_CAUSE)
return;
cause_len = cause_tlv[1];
DEBUGPC(DRSL, "CAUSE: ");
for (i = 0; i < cause_len; i++)
DEBUGPC(DRSL, "%02x ", cause_tlv[2+i]);
DEBUGPC(DRSL, "CAUSE=0x%02x(%s) ",
cause_v[0], rsl_err_name(cause_v[0]));
for (i = 1; i < cause_len-1; i++)
DEBUGPC(DRSL, "%02x ", cause_v[i]);
}
/* Send a BCCH_INFO message as per Chapter 8.5.1 */
@ -817,8 +854,9 @@ static int rsl_rx_chan_act_nack(struct msgb *msg)
rsl_tlv_parse(&tp, dh->data, msgb_l2len(msg)-sizeof(*dh));
if (TLVP_PRESENT(&tp, RSL_IE_CAUSE))
DEBUGPC(DRSL, "CAUSE=0x%02x ", *TLVP_VAL(&tp, RSL_IE_CAUSE));
print_rsl_cause(TLVP_VAL(&tp, RSL_IE_CAUSE),
TLVP_LEN(&tp, RSL_IE_CAUSE));
return 0;
}
@ -829,10 +867,13 @@ static int rsl_rx_conn_fail(struct msgb *msg)
struct tlv_parsed tp;
DEBUGPC(DRSL, "CONNECTION FAIL: ");
print_rsl_cause(dh->data);
rsl_tlv_parse(&tp, dh->data, msgb_l2len(msg)-sizeof(*dh));
if (TLVP_PRESENT(&tp, RSL_IE_CAUSE))
print_rsl_cause(TLVP_VAL(&tp, RSL_IE_CAUSE),
TLVP_LEN(&tp, RSL_IE_CAUSE));
if (msg->trx->bts->type == GSM_BTS_TYPE_BS11) {
/* FIXME: we have no idea what cause 0x18 is !!! */
if (TLVP_PRESENT(&tp, RSL_IE_CAUSE) &&
@ -954,9 +995,16 @@ static int abis_rsl_rx_dchan(struct msgb *msg)
static int rsl_rx_error_rep(struct msgb *msg)
{
struct abis_rsl_common_hdr *rslh = msgb_l2(msg);
struct tlv_parsed tp;
DEBUGP(DRSL, "ERROR REPORT ");
print_rsl_cause(rslh->data);
rsl_tlv_parse(&tp, rslh->data, msgb_l2len(msg)-sizeof(*rslh));
if (TLVP_PRESENT(&tp, RSL_IE_CAUSE))
print_rsl_cause(TLVP_VAL(&tp, RSL_IE_CAUSE),
TLVP_LEN(&tp, RSL_IE_CAUSE));
DEBUGPC(DRSL, "\n");
return 0;
@ -1292,12 +1340,10 @@ static int abis_rsl_rx_ipacc_disc_ind(struct msgb *msg)
struct tlv_parsed tv;
rsl_tlv_parse(&tv, dh->data, msgb_l2len(msg)-sizeof(*dh));
if (!TLVP_PRESENT(&tv, RSL_IE_CAUSE)) {
DEBUGPC(DRSL, "mandatory IE missing! ");
return -EINVAL;
}
DEBUGPC(DRSL, "cause=0x%02x ", *TLVP_VAL(&tv, RSL_IE_CAUSE));
if (TLVP_PRESENT(&tv, RSL_IE_CAUSE))
print_rsl_cause(TLVP_VAL(&tv, RSL_IE_CAUSE),
TLVP_LEN(&tv, RSL_IE_CAUSE));
return 0;
}