diff options
Diffstat (limited to 'src/plugins/snat')
| -rw-r--r-- | src/plugins/snat/in2out.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/plugins/snat/in2out.c b/src/plugins/snat/in2out.c index 4970fce3004..f7d29c69fe1 100644 --- a/src/plugins/snat/in2out.c +++ b/src/plugins/snat/in2out.c @@ -1635,8 +1635,13 @@ snat_det_in2out_node_fn (vlib_main_t * vm, } if (PREDICT_FALSE(!ses0)) { - next0 = SNAT_IN2OUT_NEXT_DROP; - b0->error = node->errors[SNAT_IN2OUT_ERROR_OUT_OF_PORTS]; + /* too many sessions for user, send ICMP error packet */ + + vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; + icmp4_error_set_vnet_buffer (b0, ICMP4_destination_unreachable, + ICMP4_destination_unreachable_destination_unreachable_host, + 0); + next0 = SNAT_IN2OUT_NEXT_ICMP_ERROR; goto trace0; } } @@ -1780,8 +1785,13 @@ snat_det_in2out_node_fn (vlib_main_t * vm, } if (PREDICT_FALSE(!ses1)) { - next1 = SNAT_IN2OUT_NEXT_DROP; - b1->error = node->errors[SNAT_IN2OUT_ERROR_OUT_OF_PORTS]; + /* too many sessions for user, send ICMP error packet */ + + vnet_buffer (b1)->sw_if_index[VLIB_TX] = (u32) ~ 0; + icmp4_error_set_vnet_buffer (b1, ICMP4_destination_unreachable, + ICMP4_destination_unreachable_destination_unreachable_host, + 0); + next1 = SNAT_IN2OUT_NEXT_ICMP_ERROR; goto trace1; } } @@ -1961,8 +1971,13 @@ snat_det_in2out_node_fn (vlib_main_t * vm, } if (PREDICT_FALSE(!ses0)) { - next0 = SNAT_IN2OUT_NEXT_DROP; - b0->error = node->errors[SNAT_IN2OUT_ERROR_OUT_OF_PORTS]; + /* too many sessions for user, send ICMP error packet */ + + vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; + icmp4_error_set_vnet_buffer (b0, ICMP4_destination_unreachable, + ICMP4_destination_unreachable_destination_unreachable_host, + 0); + next0 = SNAT_IN2OUT_NEXT_ICMP_ERROR; goto trace00; } } |