diff options
| author | karels <karels@FreeBSD.org> | 2016-09-21 00:06:49 +0000 |
|---|---|---|
| committer | karels <karels@FreeBSD.org> | 2016-09-21 00:06:49 +0000 |
| commit | ec9379ac6e3074dbc61ad6186c8ec5c245dda19a (patch) | |
| tree | fdd21663765cc516454fce30b2e479c7922f3029 | |
| parent | bca7482346238dcfe2a6ddc1c01263d62e40354b (diff) | |
| download | FreeBSD-src-ec9379ac6e3074dbc61ad6186c8ec5c245dda19a.zip FreeBSD-src-ec9379ac6e3074dbc61ad6186c8ec5c245dda19a.tar.gz | |
MFC r304713:
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
Differential Revision: https://reviews.freebsd.org/D7591
| -rw-r--r-- | sys/netinet6/ip6_output.c | 10 | ||||
| -rw-r--r-- | sys/netinet6/udp6_usrreq.c | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/sys/netinet6/ip6_output.c b/sys/netinet6/ip6_output.c index f31679e..2b0e50d 100644 --- a/sys/netinet6/ip6_output.c +++ b/sys/netinet6/ip6_output.c @@ -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; diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c index 0904e86..b44fb9e 100644 --- a/sys/netinet6/udp6_usrreq.c +++ b/sys/netinet6/udp6_usrreq.c @@ -898,7 +898,7 @@ udp6_output(struct inpcb *inp, struct mbuf *m, struct sockaddr *addr6, 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: |
