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authorKlement Sekera <ksekera@cisco.com>2021-03-24 16:46:22 +0100
committerOle Tr�an <otroan@employees.org>2021-03-25 09:37:13 +0000
commit07bc8bb1edff6d50b45116a36bb973d06968c3c5 (patch)
treec7316b9e061a8fe67095428b9130d60ce6651684 /src
parente0b63b2978552cd21ed23343232de720157a282d (diff)
nat: fix vnet_feature_next in source hairpinning
Avoid erroneous double vnet_feature_next if routing buffer manually. Type: fix Change-Id: I3f56c12bf57f59a1e5ddad63a2565fa195934cf6 Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/nat/nat44-ei/nat44_ei_hairpinning.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.c b/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.c
index 0de2de1faf4..a049e4659a7 100644
--- a/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.c
+++ b/src/plugins/nat/nat44-ei/nat44_ei_hairpinning.c
@@ -440,7 +440,6 @@ VLIB_NODE_FN (nat44_ei_hairpin_src_node)
b0 = vlib_get_buffer (vm, bi0);
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- vnet_feature_next (&next0, b0);
pool_foreach (i, nm->output_feature_interfaces)
{
@@ -452,14 +451,23 @@ VLIB_NODE_FN (nat44_ei_hairpin_src_node)
NAT44_EI_FLAG_HAIRPINNING))
{
if (PREDICT_TRUE (nm->num_workers > 1))
- next0 = NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH;
+ {
+ next0 = NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH;
+ goto skip_feature_next;
+ }
else
- next0 = NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT;
+ {
+ next0 = NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT;
+ goto skip_feature_next;
+ }
}
break;
}
}
+ vnet_feature_next (&next0, b0);
+ skip_feature_next:
+
if (next0 != NAT44_EI_HAIRPIN_SRC_NEXT_DROP)
{
vlib_increment_simple_counter (