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-rw-r--r--slirp/tcp_output.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/slirp/tcp_output.c b/slirp/tcp_output.c
index eec8902466..99b0a9b1cb 100644
--- a/slirp/tcp_output.c
+++ b/slirp/tcp_output.c
@@ -63,6 +63,7 @@ tcp_output(struct tcpcb *tp)
 	register struct mbuf *m;
 	register struct tcpiphdr *ti, tcpiph_save;
 	struct ip *ip;
+	struct ip6 *ip6;
 	u_char opt[MAX_TCPOPTLEN];
 	unsigned optlen, hdrlen;
 	int idle, sendalot;
@@ -468,6 +469,21 @@ send:
 	    error = ip_output(so, m);
 	    break;
 
+	case AF_INET6:
+	    m->m_data += sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+	                                         - sizeof(struct ip6);
+	    m->m_len  -= sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+	                                         - sizeof(struct ip6);
+	    ip6 = mtod(m, struct ip6 *);
+
+	    ip6->ip_pl = tcpiph_save.ti_len;
+	    ip6->ip_dst = tcpiph_save.ti_dst6;
+	    ip6->ip_src = tcpiph_save.ti_src6;
+	    ip6->ip_nh = tcpiph_save.ti_nh6;
+
+	    error = ip6_output(so, m, 0);
+	    break;
+
 	default:
 	    g_assert_not_reached();
 	}