Line data    Source code

       1             : /*
       2             :  * vr_mpls.h --
       3             :  *
       4             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       5             :  * Copyright Contributors to the OpenSDN project
       6             :  */
       7             : #ifndef __VR_MPLS_H__
       8             : #define __VR_MPLS_H__
       9             : 
      10             : #include "vr_types.h"
      11             : 
      12             : #define VR_MPLS_LABEL_SHIFT         12
      13             : #define VR_MPLS_EXP_QOS_SHIFT       9
      14             : #define VR_MPLS_HDR_LEN             4
      15             : #define VR_MAX_UCAST_LABELS         1024
      16             : #define VR_DEF_LABELS               5120
      17             : #define VR_MPLS_STACK_BIT           (0x1 << 8)
      18             : 
      19             : #define VR_MPLS_OVER_UDP_OLD_DST_PORT   51234
      20             : #define VR_MPLS_OVER_UDP_NEW_DST_PORT   6635
      21             : #define VR_MPLS_OVER_UDP_DST_PORT       VR_MPLS_OVER_UDP_NEW_DST_PORT
      22             : #define VR_MPLS_OVER_UDP_SRC_PORT       51000
      23             : #define VR_MUDP_PORT_RANGE_START        49152
      24             : #define VR_MUDP_PORT_RANGE_END          65535
      25             : 
      26             : #define VR_VXLAN_UDP_DST_PORT        4789
      27             : #define VR_VXLAN_UDP_SRC_PORT       52000
      28             : #define VR_MPLS_LABEL_STACK_BIT_MASK    0x100
      29             : #define VR_MPLS_LABEL_MASK              0XFFFFF
      30             : struct vrouter;
      31             : struct vr_packet;
      32             : struct vr_forwarding_md;
      33             : 
      34             : extern int vr_mpls_init(struct vrouter *);
      35             : extern void vr_mpls_exit(struct vrouter *, bool);
      36             : extern int vr_mpls_dump(vr_mpls_req *);
      37             : extern int vr_mpls_get(vr_mpls_req *);
      38             : extern int vr_mpls_add(vr_mpls_req *);
      39             : extern int vr_mpls_tunnel_type(unsigned int , unsigned int, unsigned short *);
      40             : extern struct vr_nexthop *__vrouter_get_label(struct vrouter *, unsigned int);
      41             : extern int vr_mpls_input(struct vrouter *, struct vr_packet *,
      42             :                         struct vr_forwarding_md *);
      43             : 
      44             : 
      45             : static inline bool
      46          10 : vr_mpls_udp_port(unsigned short port)
      47             : {
      48          10 :     if ((port == VR_MPLS_OVER_UDP_OLD_DST_PORT) ||
      49             :             (port == VR_MPLS_OVER_UDP_NEW_DST_PORT))
      50           7 :         return true;
      51             : 
      52           3 :     return false;
      53             : }
      54             : 
      55             : static inline bool
      56           1 : vr_vxlan_udp_port(unsigned short port)
      57             : {
      58           1 :     if (port == VR_VXLAN_UDP_DST_PORT)
      59           0 :         return true;
      60             : 
      61           1 :     return false;
      62             : }
      63             : 
      64             : #endif /* __VR_MPLS_H__ */