diff options
| -rw-r--r-- | src/osmo-bts-trx/trx_if.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/osmo-bts-trx/trx_if.c b/src/osmo-bts-trx/trx_if.c index bc80150b..8993de64 100644 --- a/src/osmo-bts-trx/trx_if.c +++ b/src/osmo-bts-trx/trx_if.c @@ -123,21 +123,29 @@ static int trx_clk_read_cb(struct osmo_fd *ofd, unsigned int what) { char buf[1500]; int len; + uint32_t fn; len = recv(ofd->fd, buf, sizeof(buf) - 1, 0); if (len <= 0) return len; buf[len] = '\0'; - if (!strncmp(buf, "IND CLOCK ", 10)) { - uint32_t fn; - - sscanf(buf, "IND CLOCK %u", &fn); - LOGP(DTRX, LOGL_INFO, "Clock indication: fn=%u\n", fn); - trx_sched_clock(fn); - } else + if (!!strncmp(buf, "IND CLOCK ", 10)) { LOGP(DTRX, LOGL_NOTICE, "Unknown message on clock port: %s\n", buf); + return 0; + } + + sscanf(buf, "IND CLOCK %u", &fn); + LOGP(DTRX, LOGL_INFO, "Clock indication: fn=%u\n", fn); + + if (fn >= 2715648) { + fn %= 2715648; + LOGP(DTRX, LOGL_ERROR, "Indicated clock's FN is not wrapping " + "correctly, correcting to fn=%u\n", fn); + } + + trx_sched_clock(fn); return 0; } |