diff options
Diffstat (limited to 'lib/vrf.h')
| -rw-r--r-- | lib/vrf.h | 91 |
1 files changed, 82 insertions, 9 deletions
@@ -26,12 +26,9 @@ #include "linklist.h" #include "qobj.h" #include "vty.h" - -/* The default NS ID */ -#define NS_DEFAULT 0 +#include "ns.h" /* The default VRF ID */ -#define VRF_DEFAULT 0 #define VRF_UNKNOWN UINT32_MAX /* Pending: May need to refine this. */ @@ -42,6 +39,7 @@ enum { IFLA_VRF_UNSPEC, IFLA_VRF_TABLE, __IFLA_VRF_MAX }; #endif #define VRF_NAMSIZ 36 +#define NS_NAMSIZ 16 #define VRF_DEFAULT_NAME "Default-IP-Routing-Table" @@ -60,6 +58,7 @@ struct vrf_data { union { struct { uint32_t table_id; + char netns_name[NS_NAMSIZ]; } l; }; }; @@ -88,6 +87,9 @@ struct vrf { /* The table_id from the kernel */ struct vrf_data data; + /* Back pointer to namespace context */ + void *ns_ctxt; + QOBJ_FIELDS }; RB_HEAD(vrf_id_head, vrf); @@ -96,6 +98,9 @@ RB_HEAD(vrf_name_head, vrf); RB_PROTOTYPE(vrf_name_head, vrf, name_entry, vrf_name_compare) DECLARE_QOBJ_TYPE(vrf) +/* Allow VRF with netns as backend */ +#define VRF_BACKEND_VRF_LITE 0 +#define VRF_BACKEND_NETNS 1 extern struct vrf_id_head vrfs_by_id; extern struct vrf_name_head vrfs_by_name; @@ -195,17 +200,85 @@ extern void vrf_init(int (*create)(struct vrf *), int (*enable)(struct vrf *), */ extern void vrf_terminate(void); -extern void vrf_cmd_init(int (*writefunc)(struct vty *vty)); - /* - * VRF utilities + * Utilities to create networks objects, + * or call network operations */ /* Create a socket serving for the given VRF */ -extern int vrf_socket(int, int, int, vrf_id_t); +extern int vrf_socket(int domain, int type, + int protocol, vrf_id_t vrf_id, + char *name); + +extern int vrf_sockunion_socket(const union sockunion *su, + vrf_id_t vrf_id, char *name); + +extern int vrf_bind(vrf_id_t vrf_id, int fd, char *name); + +/* VRF ioctl operations */ +extern int vrf_getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, + struct addrinfo **res, vrf_id_t vrf_id); + +extern int vrf_ioctl(vrf_id_t vrf_id, int d, unsigned long request, char *args); + +/* function called by macro VRF_DEFAULT + * to get the default VRF_ID + */ +extern vrf_id_t vrf_get_default_id(void); +/* The default VRF ID */ +#define VRF_DEFAULT vrf_get_default_id() + +/* VRF is mapped on netns or not ? */ +int vrf_is_mapped_on_netns(vrf_id_t vrf_id); + +/* VRF switch from NETNS */ +extern int vrf_switch_to_netns(vrf_id_t vrf_id); +extern int vrf_switchback_to_initial(void); /* - * VRF Debugging + * VRF backend routines + * should be called from zebra only + */ + +/* VRF vty command initialisation + */ +extern void vrf_cmd_init(int (*writefunc)(struct vty *vty)); + +/* VRF vty debugging */ extern void vrf_install_commands(void); + +/* + * VRF utilities + */ + +/* API for configuring VRF backend + * should be called from zebra only + */ +extern void vrf_configure_backend(int vrf_backend_netns); +extern int vrf_get_backend(void); +extern int vrf_is_backend_netns(void); + + +/* API to create a VRF. either from vty + * or through discovery + */ +extern int vrf_handler_create(struct vty *vty, + const char *name, + struct vrf **vrf); + +/* API to associate a VRF with a NETNS. + * called either from vty or through discovery + * should be called from zebra only + */ +extern int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, + char *pathname, ns_id_t ns_id); + +/* used internally to enable or disable VRF. + * Notify a change in the VRF ID of the VRF + */ +extern void vrf_disable(struct vrf *vrf); +extern int vrf_enable(struct vrf *vrf); + #endif /*_ZEBRA_VRF_H*/ |