diff options
Diffstat (limited to 'src/plugins/ioam/udp-ping/udp_ping_node.c')
-rw-r--r-- | src/plugins/ioam/udp-ping/udp_ping_node.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/plugins/ioam/udp-ping/udp_ping_node.c b/src/plugins/ioam/udp-ping/udp_ping_node.c index 4de8fe2f894..84759b0fab8 100644 --- a/src/plugins/ioam/udp-ping/udp_ping_node.c +++ b/src/plugins/ioam/udp-ping/udp_ping_node.c @@ -429,7 +429,18 @@ udp_ping_analyse_hbh (vlib_buffer_t * b0, ioam_e2e_option_t *e2e; ioam_trace_option_t *trace; + /* If the packet doesnt match UDP session then return */ + if (PREDICT_FALSE (pool_is_free_index (udp_ping_main.ip46_flow, flow_id))) + return; + ip46_flow = udp_ping_main.ip46_flow + flow_id; + /* Check port is within range */ + if (PREDICT_FALSE ((src_port < ip46_flow->udp_data.start_src_port) || + (src_port > ip46_flow->udp_data.end_src_port) || + (dst_port < ip46_flow->udp_data.start_dst_port) || + (dst_port > ip46_flow->udp_data.end_dst_port))) + return; + flow_index = (src_port - ip46_flow->udp_data.start_src_port) * (ip46_flow->udp_data.end_dst_port - ip46_flow->udp_data.start_dst_port + 1); |