Author: karels Date: Wed Aug 24 00:52:30 2016 New Revision: 304713 URL: https://svnweb.freebsd.org/changeset/base/304713
Log: Fix L2 caching for UDP over IPv6 ip6_output() was missing cache invalidation code analougous to ip_output.c. r304545 disabled L2 caching for UDP/IPv6 as a workaround. This change adds the missing cache invalidation code and reverts r304545. Reviewed by: gnn Approved by: gnn (mentor) Tested by: peter@, Mike Andrews MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D7591 Modified: head/sys/netinet6/ip6_output.c head/sys/netinet6/udp6_usrreq.c Modified: head/sys/netinet6/ip6_output.c ============================================================================== --- head/sys/netinet6/ip6_output.c Wed Aug 24 00:02:20 2016 (r304712) +++ head/sys/netinet6/ip6_output.c Wed Aug 24 00:52:30 2016 (r304713) @@ -87,6 +87,7 @@ __FBSDID("$FreeBSD$"); #include <net/if.h> #include <net/if_var.h> +#include <net/if_llatbl.h> #include <net/netisr.h> #include <net/route.h> #include <net/pfil.h> @@ -552,6 +553,9 @@ again: rt = ro->ro_rt; ifp = ro->ro_rt->rt_ifp; } else { + if (ro->ro_lle) + LLE_FREE(ro->ro_lle); /* zeros ro_lle */ + ro->ro_lle = NULL; if (fwd_tag == NULL) { bzero(&dst_sa, sizeof(dst_sa)); dst_sa.sin6_family = AF_INET6; @@ -821,6 +825,9 @@ again: } else { RO_RTFREE(ro); needfiblookup = 1; /* Redo the routing table lookup. */ + if (ro->ro_lle) + LLE_FREE(ro->ro_lle); /* zeros ro_lle */ + ro->ro_lle = NULL; } } /* See if fib was changed by packet filter. */ @@ -829,6 +836,9 @@ again: fibnum = M_GETFIB(m); RO_RTFREE(ro); needfiblookup = 1; + if (ro->ro_lle) + LLE_FREE(ro->ro_lle); /* zeros ro_lle */ + ro->ro_lle = NULL; } if (needfiblookup) goto again; Modified: head/sys/netinet6/udp6_usrreq.c ============================================================================== --- head/sys/netinet6/udp6_usrreq.c Wed Aug 24 00:02:20 2016 (r304712) +++ head/sys/netinet6/udp6_usrreq.c Wed Aug 24 00:52:30 2016 (r304713) @@ -898,7 +898,7 @@ udp6_output(struct inpcb *inp, struct mb UDP_PROBE(send, NULL, inp, ip6, inp, udp6); UDPSTAT_INC(udps_opackets); - error = ip6_output(m, optp, NULL, flags, + error = ip6_output(m, optp, &inp->inp_route6, flags, inp->in6p_moptions, NULL, inp); break; case AF_INET: _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
