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Work on Mobility Management: MM information procedure

This commit is contained in:
Andreas Eversberg 2010-03-31 20:42:38 +02:00
parent 4495f10ee0
commit 194a702517
2 changed files with 30 additions and 20 deletions
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2
src/host/gsm48-andreas/gsm48_l3.h
View File

@ -242,6 +242,8 @@ struct gsm48_mmlayer {
struct timer_list t3213;
int t3212_value;
struct llist_head mm_conn;
char name_short[32];
char name_long[32];
};
/* MM connection types */

48
src/host/gsm48-andreas/gsm48_mm.c
View File

@ -578,6 +578,34 @@ static int gsm48_mm_rx_abort(struct osmocom_ms *ms, struct msgb *msg)
return 0;
}
/* 4.3.6.2 MM INFORMATION is received */
static int gsm48_mm_rx_info(struct osmocom_ms *ms, struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
struct tlv_parsed tp;
if (payload_len < 0)
short:
DEBUGP(DMM, "Short read of location updating accept message error.\n");
return -EINVAL;
}
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
/* long name */
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_LONG)) {
decode_network_name(mm->name_long, sizeof(mm->name_long),
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
}
/* short name */
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_SHORT)) {
decode_network_name(mm->name_short, sizeof(mm->name_short),
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
}
return 0;
}
@ -1056,26 +1084,6 @@ static int decode_lai(struct gsm48_loc_area_id *lai, u_int16_t *mcc, u_int16_t *
*lac = ntohs(lai->lac);
}
/* mm info is received from lower layer */
static int gsm48_mm_rx_info(struct osmocom_ms *ms, struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
struct tlv_parsed tp;
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
/* long name */
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_LONG)) {
decode_network_name(name_long, sizeof(name_long),
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
}
/* short name */
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_SHORT)) {
decode_network_name(name_short, sizeof(name_short),
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
}
}
/* location updating accept is received from lower layer */
static int gsm48_mm_rx_loc_upd_acc(struct osmocom_ms *ms, struct msgb *msg)