diff options
Diffstat (limited to 'freebsd/sys/netinet6/frag6.c')
| -rw-r--r-- | freebsd/sys/netinet6/frag6.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/freebsd/sys/netinet6/frag6.c b/freebsd/sys/netinet6/frag6.c index 391f2a78..f176ffb6 100644 --- a/freebsd/sys/netinet6/frag6.c +++ b/freebsd/sys/netinet6/frag6.c @@ -223,6 +223,19 @@ frag6_input(struct mbuf **mp, int *offp, int proto) /* offset now points to data portion */ offset += sizeof(struct ip6_frag); + /* + * XXX-BZ RFC XXXX (draft-gont-6man-ipv6-atomic-fragments) + * Handle "atomic" fragments (offset and m bit set to 0) upfront, + * unrelated to any reassembly. Just skip the fragment header. + */ + if ((ip6f->ip6f_offlg & ~IP6F_RESERVED_MASK) == 0) { + /* XXX-BZ we want dedicated counters for this. */ + V_ip6stat.ip6s_reassembled++; + in6_ifstat_inc(dstifp, ifs6_reass_ok); + *offp = offset; + return (ip6f->ip6f_nxt); + } + IP6Q_LOCK(); /* |