diff options
| -rw-r--r-- | lib/libtle_l4p/tcp_rxtx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/libtle_l4p/tcp_rxtx.c b/lib/libtle_l4p/tcp_rxtx.c index a702177..3d1c550 100644 --- a/lib/libtle_l4p/tcp_rxtx.c +++ b/lib/libtle_l4p/tcp_rxtx.c @@ -2277,7 +2277,17 @@ tcb_establish(struct tle_tcp_stream *s, const struct tle_tcp_conn_info *ci) uint32_t mss, tms; tms = tcp_get_tms(s->s.ctx->cycles_ms_shift); - mss = calc_smss(ci->so.mss, &s->tx.dst); + + /* set a default MSS if it is unset (0) */ + if ((ci->so.mss == 0) && (s->s.type == TLE_V4)) { + mss = calc_smss(TCP4_MIN_MSS, &s->tx.dst); + } + else if ((ci->so.mss == 0) && (s->s.type == TLE_V6)) { + mss = calc_smss(TCP6_MIN_MSS, &s->tx.dst); + } + else { + mss = calc_smss(ci->so.mss, &s->tx.dst); + } s->tcb.so = ci->so; fill_tcb_snd(&s->tcb, ci->ack, ci->seq, mss, |