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authorMatus Fabian <matfabia@cisco.com>2018-11-20 02:19:05 -0800
committerDamjan Marion <dmarion@me.com>2018-11-20 11:29:29 +0000
commit111add7e5d6581bb4eca05cc862a651ff6a09792 (patch)
treeceacf2bc84e338eb919b400101112512c7f730a7 /src/plugins/nat
parent9162c2d2e2450b7d497ff4be002cf619009f3f9e (diff)
NAT44: fix virtual fragmentation reassembly in forwarding mode (VPP-1501)
Change-Id: Id86d8aa8753b9b2ff4c709b11e3901ba8d552918 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat')
-rwxr-xr-xsrc/plugins/nat/out2in.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index 9cace08c565..52f2023efe1 100755
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -1443,6 +1443,12 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm,
node->errors[SNAT_OUT2IN_ERROR_NO_TRANSLATION];
next0 = SNAT_OUT2IN_NEXT_DROP;
}
+ else
+ {
+ reass0->flags |= NAT_REASS_FLAG_ED_DONT_TRANSLATE;
+ nat_ip4_reass_get_frags (reass0,
+ &fragments_to_loopback);
+ }
goto trace0;
}
@@ -1474,6 +1480,8 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm,
}
else
{
+ if (reass0->flags & NAT_REASS_FLAG_ED_DONT_TRANSLATE)
+ goto trace0;
if (PREDICT_FALSE (reass0->sess_index == (u32) ~ 0))
{
if (nat_ip4_reass_add_fragment