diff options
Diffstat (limited to 'src/vnet/dhcp/dhcp4_proxy_node.c')
| -rw-r--r-- | src/vnet/dhcp/dhcp4_proxy_node.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/vnet/dhcp/dhcp4_proxy_node.c b/src/vnet/dhcp/dhcp4_proxy_node.c index d0def3f740d..8a517080eae 100644 --- a/src/vnet/dhcp/dhcp4_proxy_node.c +++ b/src/vnet/dhcp/dhcp4_proxy_node.c @@ -746,21 +746,24 @@ VLIB_REGISTER_NODE (dhcp_proxy_to_client_node, static) = { /* *INDENT-ON* */ void -dhcp_maybe_register_udp_ports (void) +dhcp_maybe_register_udp_ports (dhcp_port_reg_flags_t ports) { dhcp_proxy_main_t *dm = &dhcp_proxy_main; vlib_main_t *vm = dm->vlib_main; + int port_regs_diff = dm->udp_ports_registered ^ ports; - if (dm->udp_ports_registered) + if (!port_regs_diff) return; - udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_client, - dhcp_proxy_to_client_node.index, 1 /* is_ip4 */ ); + if ((port_regs_diff & DHCP_PORT_REG_CLIENT) & ports) + udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_client, + dhcp_proxy_to_client_node.index, 1 /* is_ip4 */ ); - udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_server, - dhcp_proxy_to_server_node.index, 1 /* is_ip4 */ ); + if ((port_regs_diff & DHCP_PORT_REG_SERVER) & ports) + udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_server, + dhcp_proxy_to_server_node.index, 1 /* is_ip4 */ ); - dm->udp_ports_registered = 1; + dm->udp_ports_registered |= ports; } static clib_error_t * @@ -799,7 +802,7 @@ dhcp4_proxy_set_server (ip46_address_t * addr, if (ip46_address_is_zero (src_addr)) return VNET_API_ERROR_INVALID_SRC_ADDRESS; - dhcp_maybe_register_udp_ports (); + dhcp_maybe_register_udp_ports (DHCP_PORT_REG_CLIENT | DHCP_PORT_REG_SERVER); rx_fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, rx_table_id, |