diff options
Diffstat (limited to 'zebra/zebra_ns.c')
| -rw-r--r-- | zebra/zebra_ns.c | 122 |
1 files changed, 118 insertions, 4 deletions
diff --git a/zebra/zebra_ns.c b/zebra/zebra_ns.c index 1715881f7e..cb302985c8 100644 --- a/zebra/zebra_ns.c +++ b/zebra/zebra_ns.c @@ -1,6 +1,7 @@ /* zebra NS Routines * Copyright (C) 2016 Cumulus Networks, Inc. * Donald Sharp + * Copyright (C) 2017/2018 6WIND * * This file is part of Quagga. * @@ -22,6 +23,7 @@ #include "lib/ns.h" #include "lib/vrf.h" +#include "lib/logicalrouter.h" #include "lib/prefix.h" #include "lib/memory.h" @@ -31,6 +33,11 @@ #include "zebra_memory.h" #include "rt.h" #include "zebra_vxlan.h" +#include "debug.h" +#include "zebra_netns_notify.h" +#include "zebra_netns_id.h" + +extern struct zebra_privs_t zserv_privs; DEFINE_MTYPE(ZEBRA, ZEBRA_NS, "Zebra Name Space") @@ -53,9 +60,72 @@ zebra_ns_table_entry_compare(const struct zebra_ns_table *e1, return e1->tableid - e2->tableid; } +static int logicalrouter_config_write(struct vty *vty); + struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id) { - return dzns; + if (ns_id == NS_DEFAULT) + return dzns; + struct zebra_ns *info = (struct zebra_ns *)ns_info_lookup(ns_id); + + return (info == NULL) ? dzns : info; +} + +static struct zebra_ns *zebra_ns_alloc(void) +{ + return XCALLOC(MTYPE_ZEBRA_NS, sizeof(struct zebra_ns)); +} + +static int zebra_ns_new(struct ns *ns) +{ + struct zebra_ns *zns; + + if (IS_ZEBRA_DEBUG_EVENT) + zlog_info("ZNS %s with id %u (created)", ns->name, ns->ns_id); + + zns = zebra_ns_alloc(); + ns->info = zns; + zns->ns = ns; + + /* Do any needed per-NS data structure allocation. */ + zns->if_table = route_table_init(); + zebra_vxlan_ns_init(zns); + + return 0; +} + +static int zebra_ns_delete(struct ns *ns) +{ + struct zebra_ns *zns = (struct zebra_ns *) ns->info; + + if (IS_ZEBRA_DEBUG_EVENT) + zlog_info("ZNS %s with id %u (deleted)", ns->name, ns->ns_id); + if (!zns) + return 0; + XFREE(MTYPE_ZEBRA_NS, zns); + return 0; +} + +static int zebra_ns_enabled(struct ns *ns) +{ + struct zebra_ns *zns = ns->info; + + if (IS_ZEBRA_DEBUG_EVENT) + zlog_info("ZNS %s with id %u (enabled)", ns->name, ns->ns_id); + if (!zns) + return 0; + return zebra_ns_enable(ns->ns_id, (void **)&zns); +} + +int zebra_ns_disabled(struct ns *ns) +{ + struct zebra_ns *zns = ns->info; + + if (IS_ZEBRA_DEBUG_EVENT) + zlog_info("ZNS %s with id %u (disabled)", ns->name, ns->ns_id); + if (!zns) + return 0; + return zebra_ns_disable(ns->ns_id, (void **)&zns); } /* Do global enable actions - open sockets, read kernel config etc. */ @@ -63,6 +133,8 @@ int zebra_ns_enable(ns_id_t ns_id, void **info) { struct zebra_ns *zns = (struct zebra_ns *)(*info); + zns->ns_id = ns_id; + #if defined(HAVE_RTADV) rtadv_init(zns); #endif @@ -155,15 +227,27 @@ int zebra_ns_disable(ns_id_t ns_id, void **info) kernel_terminate(zns); + zns->ns_id = NS_DEFAULT; + return 0; } int zebra_ns_init(void) { - dzns = XCALLOC(MTYPE_ZEBRA_NS, sizeof(struct zebra_ns)); + ns_id_t ns_id; + + dzns = zebra_ns_alloc(); - ns_init(); + if (zserv_privs.change(ZPRIVS_RAISE)) + zlog_err("Can't raise privileges"); + ns_id = zebra_ns_id_get_default(); + if (zserv_privs.change(ZPRIVS_LOWER)) + zlog_err("Can't lower privileges"); + + ns_init_management(ns_id); + + logicalrouter_init(logicalrouter_config_write); /* Do any needed per-NS data structure allocation. */ dzns->if_table = route_table_init(); @@ -173,7 +257,37 @@ int zebra_ns_init(void) zebra_vrf_init(); /* Default NS is activated */ - zebra_ns_enable(NS_DEFAULT, (void **)&dzns); + zebra_ns_enable(ns_id, (void **)&dzns); + + if (vrf_is_backend_netns()) { + ns_add_hook(NS_NEW_HOOK, zebra_ns_new); + ns_add_hook(NS_ENABLE_HOOK, zebra_ns_enabled); + ns_add_hook(NS_DISABLE_HOOK, zebra_ns_disabled); + ns_add_hook(NS_DELETE_HOOK, zebra_ns_delete); + zebra_ns_notify_parse(); + zebra_ns_notify_init(); + } + return 0; +} +static int logicalrouter_config_write(struct vty *vty) +{ + struct ns *ns; + int write = 0; + + RB_FOREACH(ns, ns_head, &ns_tree) { + if (ns->ns_id == NS_DEFAULT || ns->name == NULL) + continue; + vty_out(vty, "logical-router %u netns %s\n", ns->ns_id, + ns->name); + write = 1; + } + return write; +} + +int zebra_ns_config_write(struct vty *vty, struct ns *ns) +{ + if (ns && ns->name != NULL) + vty_out(vty, " netns %s\n", ns->name); return 0; } |