diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/netns_linux.c | 40 | ||||
| -rw-r--r-- | lib/ns.h | 16 | ||||
| -rw-r--r-- | lib/vrf.c | 8 | ||||
| -rw-r--r-- | lib/vrf.h | 2 |
4 files changed, 59 insertions, 7 deletions
diff --git a/lib/netns_linux.c b/lib/netns_linux.c index 98f359401e..e8d549b4e0 100644 --- a/lib/netns_linux.c +++ b/lib/netns_linux.c @@ -379,12 +379,20 @@ struct ns *ns_lookup(ns_id_t ns_id) return ns_lookup_internal(ns_id); } -void ns_walk_func(int (*func)(struct ns *)) +void ns_walk_func(int (*func)(struct ns *, + void *param_in, + void **param_out), + void *param_in, + void **param_out) { struct ns *ns = NULL; + int ret; - RB_FOREACH (ns, ns_head, &ns_tree) - func(ns); + RB_FOREACH (ns, ns_head, &ns_tree) { + ret = func(ns, param_in, param_out); + if (ret == NS_WALK_STOP) + return; + } } const char *ns_get_name(struct ns *ns) @@ -584,9 +592,35 @@ int ns_socket(int domain, int type, int protocol, ns_id_t ns_id) return ret; } +/* if relative link_nsid matches default netns, + * then return default absolute netns value + * otherwise, return NS_UNKNOWN + */ +ns_id_t ns_id_get_absolute(ns_id_t ns_id_reference, ns_id_t link_nsid) +{ + struct ns *ns; + + ns = ns_lookup(ns_id_reference); + if (!ns) + return NS_UNKNOWN; + + if (ns->relative_default_ns != link_nsid) + return NS_UNKNOWN; + + ns = ns_get_default(); + assert(ns); + return ns->ns_id; +} + ns_id_t ns_get_default_id(void) { if (default_ns) return default_ns->ns_id; return NS_DEFAULT_INTERNAL; } + +struct ns *ns_get_default(void) +{ + return default_ns; +} + @@ -53,6 +53,11 @@ struct ns { /* Identifier, mapped on the NSID value */ ns_id_t internal_ns_id; + /* Identifier, value of NSID of default netns, + * relative value in that local netns + */ + ns_id_t relative_default_ns; + /* Name */ char *name; @@ -120,7 +125,14 @@ int ns_socket(int domain, int type, int protocol, ns_id_t ns_id); extern char *ns_netns_pathname(struct vty *vty, const char *name); /* Parse and execute a function on all the NETNS */ -extern void ns_walk_func(int (*func)(struct ns *)); +#define NS_WALK_CONTINUE 0 +#define NS_WALK_STOP 1 + +extern void ns_walk_func(int (*func)(struct ns *, + void *, + void **), + void *param_in, + void **param_out); /* API to get the NETNS name, from the ns pointer */ extern const char *ns_get_name(struct ns *ns); @@ -174,7 +186,9 @@ extern struct ns *ns_lookup_name(const char *name); */ extern int ns_enable(struct ns *ns, void (*func)(ns_id_t, void *)); extern struct ns *ns_get_created(struct ns *ns, char *name, ns_id_t ns_id); +extern ns_id_t ns_id_get_absolute(ns_id_t ns_id_reference, ns_id_t link_nsid); extern void ns_disable(struct ns *ns); +extern struct ns *ns_get_default(void); #ifdef __cplusplus } @@ -659,7 +659,8 @@ int vrf_handler_create(struct vty *vty, const char *vrfname, } int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname, - ns_id_t ns_id, ns_id_t internal_ns_id) + ns_id_t ns_id, ns_id_t internal_ns_id, + ns_id_t rel_def_ns_id) { struct ns *ns = NULL; @@ -706,6 +707,7 @@ int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname, } ns = ns_get_created(ns, pathname, ns_id); ns->internal_ns_id = internal_ns_id; + ns->relative_default_ns = rel_def_ns_id; ns->vrf_ctxt = (void *)vrf; vrf->ns_ctxt = (void *)ns; /* update VRF netns NAME */ @@ -801,7 +803,9 @@ DEFUN_NOSH (vrf_netns, frr_with_privs(vrf_daemon_privs) { ret = vrf_netns_handler_create(vty, vrf, pathname, - NS_UNKNOWN, NS_UNKNOWN); + NS_UNKNOWN, + NS_UNKNOWN, + NS_UNKNOWN); } return ret; } @@ -315,7 +315,7 @@ extern int vrf_handler_create(struct vty *vty, const char *name, */ extern int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname, ns_id_t ext_ns_id, - ns_id_t ns_id); + ns_id_t ns_id, ns_id_t rel_def_ns_id); /* used internally to enable or disable VRF. * Notify a change in the VRF ID of the VRF |