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-rw-r--r--sys/netinet/tcp_output.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index 4b5fa10..4542ac5 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -1102,8 +1102,15 @@ send:
m->m_pkthdr.tso_segsz = tp->t_maxopd - optlen;
}
+#ifdef IPSEC
+ KASSERT(len + hdrlen + ipoptlen - ipsec_optlen == m_length(m, NULL),
+ ("%s: mbuf chain shorter than expected: %ld + %u + %u - %u != %u",
+ __func__, len, hdrlen, ipoptlen, ipsec_optlen, m_length(m, NULL)));
+#else
KASSERT(len + hdrlen + ipoptlen == m_length(m, NULL),
- ("%s: mbuf chain shorter than expected", __func__));
+ ("%s: mbuf chain shorter than expected: %ld + %u + %u != %u",
+ __func__, len, hdrlen, ipoptlen, m_length(m, NULL)));
+#endif
/*
* In transmit state, time the transmission and arrange for
@@ -1331,7 +1338,7 @@ out:
* then remember the size of the advertised window.
* Any pending ACK has now been sent.
*/
- if (recwin > 0 && SEQ_GT(tp->rcv_nxt + recwin, tp->rcv_adv))
+ if (recwin >= 0 && SEQ_GT(tp->rcv_nxt + recwin, tp->rcv_adv))
tp->rcv_adv = tp->rcv_nxt + recwin;
tp->last_ack_sent = tp->rcv_nxt;
tp->t_flags &= ~(TF_ACKNOW | TF_DELACK);
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