Date: Sun, 16 Sep 2007 22:00:55 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 126489 for review Message-ID: <200709162200.l8GM0tUv080388@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=126489 Change 126489 by kmacy@kmacy_home:ethng on 2007/09/16 22:00:18 cache the route in the inpcb this is currently half-complete at best as it doesn't yet re-validate the rt_entry against a gen_count as is intended Affected files ... .. //depot/projects/ethng/src/sys/netinet/tcp_output.c#3 edit Differences ... ==== //depot/projects/ethng/src/sys/netinet/tcp_output.c#3 (text+ko) ==== @@ -123,7 +123,8 @@ int tcp_output(struct tcpcb *tp) { - struct socket *so = tp->t_inpcb->inp_socket; + struct inpcb *inp = tp->t_inpcb; + struct socket *so = inp->inp_socket; long len, recwin, sendwin; int off, flags, error; #ifdef TCP_SIGNATURE @@ -1121,9 +1122,23 @@ */ if (path_mtu_discovery) ip->ip_off |= IP_DF; + /* + * XXX need to validate + */ + if (inp->inp_route.ro_rt == NULL) { + struct sockaddr_in *dst = (struct sockaddr_in *)&inp->inp_route.ro_dst; + struct ip *ip = mtod(m, struct ip *); + + bzero(dst, sizeof(*dst)); + dst->sin_family = AF_INET; + dst->sin_len = sizeof(*dst); + dst->sin_addr = ip->ip_dst; + + rtalloc_ign(&inp->inp_route, 0); + } m->m_pkthdr.rss_hash = tp->t_inpcb->inp_rss_hash; - error = ip_output(m, tp->t_inpcb->inp_options, NULL, + error = ip_output(m, tp->t_inpcb->inp_options, &inp->inp_route, ((so->so_options & SO_DONTROUTE) ? IP_ROUTETOIF : 0), 0, tp->t_inpcb); }
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