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For Phase2 and higher BTS, use the FULL IMMEDIATE ASSIGN INFO attribute, rather than IMMEDIATE ASSIGN INFO

This commit is contained in:
Harald Welte 2009-02-15 14:36:38 +00:00
parent 5c1e458376
commit 362322ed81
1 changed files with 20 additions and 3 deletions
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23
src/abis_rsl.c
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@ -220,6 +220,15 @@ static struct msgb *rsl_msgb_alloc(void)
return msgb_alloc_headroom(RSL_ALLOC_SIZE, RSL_ALLOC_HEADROOM);
}
#define MACBLOCK_SIZE 23
static void pad_macblock(u_int8_t *out, const u_int8_t *in, int len)
{
memcpy(out, in, len);
if (len < MACBLOCK_SIZE)
memset(out+len, 0x2b, MACBLOCK_SIZE-len);
}
/* Send a BCCH_INFO message as per Chapter 8.5.1 */
int rsl_bcch_info(struct gsm_bts_trx *trx, u_int8_t type,
const u_int8_t *data, int len)
@ -428,14 +437,22 @@ int rsl_imm_assign_cmd(struct gsm_bts *bts, u_int8_t len, u_int8_t *val)
{
struct msgb *msg = rsl_msgb_alloc();
struct abis_rsl_dchan_hdr *dh;
u_int8_t buf[MACBLOCK_SIZE];
dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh));
init_dchan_hdr(dh, RSL_MT_IMMEDIATE_ASSIGN_CMD);
dh->chan_nr = RSL_CHAN_PCH_AGCH;
/* If phase 2, FULL_IMM_ASS_INFO */
msgb_tlv_put(msg, RSL_IE_IMM_ASS_INFO, len, val);
switch (bts->type) {
case GSM_BTS_TYPE_BS11:
msgb_tlv_put(msg, RSL_IE_IMM_ASS_INFO, len, val);
break;
default:
/* If phase 2, construct a FULL_IMM_ASS_INFO */
pad_macblock(buf, val, len);
msgb_tlv_put(msg, RSL_IE_FULL_IMM_ASS_INFO, MACBLOCK_SIZE, buf);
break;
}
msg->trx = bts->c0;