}
static_always_inline int
-nat44_ei_hairpinning_enable (u32 sw_if_index, u8 is_enable)
+nat44_ei_hairpinning_enable (u8 is_enable)
{
- return vnet_feature_enable_disable ("ip4-local", "nat44-ei-hairpinning",
- sw_if_index, is_enable, 0, 0);
+ nat44_ei_main_t *nm = &nat44_ei_main;
+ u32 sw_if_index = 0; // local0
+
+ if (is_enable)
+ {
+ nm->hairpin_reg += 1;
+ if (1 == nm->hairpin_reg)
+ {
+ return vnet_feature_enable_disable (
+ "ip4-local", "nat44-ei-hairpinning", sw_if_index, is_enable, 0, 0);
+ }
+ }
+ else
+ {
+ if (0 == nm->hairpin_reg)
+ return 1;
+
+ nm->hairpin_reg -= 1;
+ if (0 == nm->hairpin_reg)
+ {
+ return vnet_feature_enable_disable (
+ "ip4-local", "nat44-ei-hairpinning", sw_if_index, is_enable, 0, 0);
+ }
+ }
+
+ return 0;
}
int
}
if (!is_inside)
{
- rv = nat44_ei_hairpinning_enable (sw_if_index, 0);
+ rv = nat44_ei_hairpinning_enable (0);
if (rv)
{
return rv;
}
if (is_inside && !nm->out2in_dpo)
{
- rv = nat44_ei_hairpinning_enable (sw_if_index, 1);
+ rv = nat44_ei_hairpinning_enable (1);
if (rv)
{
return rv;
}
else
{
- rv = nat44_ei_hairpinning_enable (sw_if_index, 1);
+ rv = nat44_ei_hairpinning_enable (1);
if (rv)
{
return rv;
}
if (is_inside)
{
- rv = nat44_ei_hairpinning_enable (sw_if_index, 0);
+ rv = nat44_ei_hairpinning_enable (0);
if (rv)
{
return rv;
next_index = *next;
if (PREDICT_TRUE (error == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
{
- vnet_feature_arc_start (arc_index,
- vnet_buffer (b)->sw_if_index[VLIB_RX],
- &next_index, b);
+ vnet_feature_arc_start (
+ arc_index, vnet_buffer (b)->ip.rx_sw_if_index, &next_index, b);
*next = next_index;
}
}
{
u32 next32 = next[0];
vnet_feature_arc_start (arc_index,
- vnet_buffer (b[0])->sw_if_index
- [VLIB_RX], &next32, b[0]);
+ vnet_buffer (b[0])->ip.rx_sw_if_index,
+ &next32, b[0]);
next[0] = next32;
}
if (PREDICT_TRUE (ip6_unknown[1]))
{
u32 next32 = next[1];
vnet_feature_arc_start (arc_index,
- vnet_buffer (b[1])->sw_if_index
- [VLIB_RX], &next32, b[1]);
+ vnet_buffer (b[1])->ip.rx_sw_if_index,
+ &next32, b[1]);
next[1] = next32;
}
}
{
u32 next32 = next[0];
vnet_feature_arc_start (arc_index,
- vnet_buffer (b[0])->sw_if_index
- [VLIB_RX], &next32, b[0]);
+ vnet_buffer (b[0])->ip.rx_sw_if_index,
+ &next32, b[0]);
next[0] = next32;
}
}