+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
+
+ if (PREDICT_FALSE
+ (!(hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)))
+ {
+ vlib_increment_combined_counter
+ (drop_counter, thread_index, sw_if_index0, 1, len0);
+ b0->error = node->errors[IPSEC_IF_INPUT_ERROR_DISABLED];
+ n_disabled++;
+ goto trace;
+ }