diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/rsl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/common/rsl.c b/src/common/rsl.c index f11ec0e0..09723bed 100644 --- a/src/common/rsl.c +++ b/src/common/rsl.c @@ -993,6 +993,15 @@ static int rsl_rx_osmo_etws_cmd(struct gsm_bts_trx *trx, struct msgb *msg) * \param[in] len length of \a current in octets */ static inline void lapdm_ui_prefix(uint8_t *buf, uint32_t *valid, const uint8_t *current, uint8_t osmo_si, uint16_t len) { + /* Special case for short header SI. Do not pre-fix the two-byte UI header. */ + switch (osmo_si) { + case SYSINFO_TYPE_10: + (*valid) |= (1 << osmo_si); + memset(buf, GSM_MACBLOCK_PADDING, sizeof(sysinfo_buf_t)); + memcpy(buf, current, len); + return; + } + /* We have to pre-fix with the two-byte LAPDM UI header */ if (len > sizeof(sysinfo_buf_t) - 2) { LOGP(DRSL, LOGL_ERROR, "Truncating received SI%s (%u -> %zu) to prepend LAPDM UI header (2 bytes)\n", |