From e6cb3a75522a102fa0b8ce767e4e2267e0afe781 Mon Sep 17 00:00:00 2001 From: Lucian Cristian Date: Sun, 28 Feb 2021 14:55:36 +0200 Subject: [PATCH] frr: update to latest and backports cherry-pick: backport nhrpd support multicast backport ospf updates Signed-off-by: Lucian Cristian --- net/frr/Makefile | 8 +- .../046-nhrpd_cache_config_fixes.patch | 385 +++++++++ .../patches/047-nhrpd_fix_SA_warning.patch | 48 ++ .../patches/048-nhrpd_cleanup_resources.patch | 226 +++++ ...9-clear_ip_ospf_process_and_neighbor.patch | 383 +++++++++ .../050-ospf_nbr_nbma_lookup_next.patch | 105 +++ .../patches/051-ospfd_instance_fixes.patch | 797 ++++++++++++++++++ .../052-nhrpd_support_for_multicast.patch | 793 +++++++++++++++++ net/frr/patches/053-more_SA_fixes.patch | 96 +++ net/frr/patches/098-fix_mips_libyang.patch | 2 +- 10 files changed, 2838 insertions(+), 5 deletions(-) create mode 100644 net/frr/patches/046-nhrpd_cache_config_fixes.patch create mode 100644 net/frr/patches/047-nhrpd_fix_SA_warning.patch create mode 100644 net/frr/patches/048-nhrpd_cleanup_resources.patch create mode 100644 net/frr/patches/049-clear_ip_ospf_process_and_neighbor.patch create mode 100644 net/frr/patches/050-ospf_nbr_nbma_lookup_next.patch create mode 100644 net/frr/patches/051-ospfd_instance_fixes.patch create mode 100644 net/frr/patches/052-nhrpd_support_for_multicast.patch create mode 100644 net/frr/patches/053-more_SA_fixes.patch diff --git a/net/frr/Makefile b/net/frr/Makefile index f9767365fb..44ccacf3c6 100644 --- a/net/frr/Makefile +++ b/net/frr/Makefile @@ -8,15 +8,15 @@ include $(TOPDIR)/rules.mk PKG_NAME:=frr PKG_VERSION:=7.5 -PKG_RELEASE:=4 -PKG_SOURCE_DATE:=2021-02-05 +PKG_RELEASE:=5 +PKG_SOURCE_DATE:=2021-02-26 PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_DATE).tar.gz -PKG_SOURCE_VERSION:=20b35e4c3386de798f3b0cb9f2a7e6b04d995485 +PKG_SOURCE_VERSION:=13a8efb4b6e3c92e8b9361c9cb1e78a86b0194cf PKG_SOURCE_URL:=https://codeload.github.com/FRRouting/frr/tar.gz/$(PKG_SOURCE_VERSION)? -PKG_HASH:=f3b4a4ce43ad60fcf4b908dc4467cbc9dae277b5829489b3d221913e043dd250 +PKG_HASH:=6e313edff69cd12444b53dbc5593892b280280b7735e620c00189a669f80bdcc PKG_MAINTAINER:=Lucian Cristian PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_SOURCE_VERSION) diff --git a/net/frr/patches/046-nhrpd_cache_config_fixes.patch b/net/frr/patches/046-nhrpd_cache_config_fixes.patch new file mode 100644 index 0000000000..1c07ab7a1d --- /dev/null +++ b/net/frr/patches/046-nhrpd_cache_config_fixes.patch @@ -0,0 +1,385 @@ +From fef2ed139d140f551cdfcbb21c5a023dea2e02cb Mon Sep 17 00:00:00 2001 +From: Philippe Guibert +Date: Thu, 26 Mar 2020 17:33:53 +0100 +Subject: [PATCH] nhrpd: cache config may disappear if iface not present at + startup + +When interface not present at config time, store separately the list of +config parameters. Then, when interface is ready and an address has been configured, the nbma setting is done. Reversely, when interface disappears, +there is no need to keep the maps present, then keep only the configuration. + +Signed-off-by: Philippe Guibert +--- + nhrpd/nhrp_cache.c | 86 ++++++++++++++++++++++++++++++++++++++++++ + nhrpd/nhrp_interface.c | 63 ++++++++++++++++++++++++++++++- + nhrpd/nhrp_vty.c | 49 ++++++++++++++++-------- + nhrpd/nhrpd.h | 14 +++++++ + 4 files changed, 195 insertions(+), 17 deletions(-) + +--- a/nhrpd/nhrp_cache.c ++++ b/nhrpd/nhrp_cache.c +@@ -16,6 +16,7 @@ + #include "netlink.h" + + DEFINE_MTYPE_STATIC(NHRPD, NHRP_CACHE, "NHRP cache entry") ++DEFINE_MTYPE_STATIC(NHRPD, NHRP_CACHE_CONFIG, "NHRP cache config entry") + + unsigned long nhrp_cache_counts[NHRP_CACHE_NUM_TYPES]; + +@@ -77,6 +78,68 @@ static void nhrp_cache_free(struct nhrp_ + XFREE(MTYPE_NHRP_CACHE, c); + } + ++static unsigned int nhrp_cache_config_protocol_key(const void *peer_data) ++{ ++ const struct nhrp_cache_config *p = peer_data; ++ return sockunion_hash(&p->remote_addr); ++} ++ ++static bool nhrp_cache_config_protocol_cmp(const void *cache_data, ++ const void *key_data) ++{ ++ const struct nhrp_cache_config *a = cache_data; ++ const struct nhrp_cache_config *b = key_data; ++ ++ if (!sockunion_same(&a->remote_addr, &b->remote_addr)) ++ return false; ++ if (a->ifp != b->ifp) ++ return false; ++ return true; ++} ++ ++static void *nhrp_cache_config_alloc(void *data) ++{ ++ struct nhrp_cache_config *p, *key = data; ++ ++ p = XCALLOC(MTYPE_NHRP_CACHE_CONFIG, sizeof(struct nhrp_cache_config)); ++ ++ *p = (struct nhrp_cache_config){ ++ .remote_addr = key->remote_addr, ++ .ifp = key->ifp, ++ }; ++ return p; ++} ++ ++void nhrp_cache_config_free(struct nhrp_cache_config *c) ++{ ++ struct nhrp_interface *nifp = c->ifp->info; ++ ++ hash_release(nifp->cache_config_hash, c); ++ XFREE(MTYPE_NHRP_CACHE_CONFIG, c); ++} ++ ++struct nhrp_cache_config *nhrp_cache_config_get(struct interface *ifp, ++ union sockunion *remote_addr, ++ int create) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_cache_config key; ++ ++ if (!nifp->cache_config_hash) { ++ nifp->cache_config_hash = ++ hash_create(nhrp_cache_config_protocol_key, ++ nhrp_cache_config_protocol_cmp, ++ "NHRP Config Cache"); ++ if (!nifp->cache_config_hash) ++ return NULL; ++ } ++ key.remote_addr = *remote_addr; ++ key.ifp = ifp; ++ ++ return hash_get(nifp->cache_config_hash, &key, ++ create ? nhrp_cache_config_alloc : NULL); ++} ++ + struct nhrp_cache *nhrp_cache_get(struct interface *ifp, + union sockunion *remote_addr, int create) + { +@@ -423,12 +486,23 @@ struct nhrp_cache_iterator_ctx { + void *ctx; + }; + ++struct nhrp_cache_config_iterator_ctx { ++ void (*cb)(struct nhrp_cache_config *, void *); ++ void *ctx; ++}; ++ + static void nhrp_cache_iterator(struct hash_bucket *b, void *ctx) + { + struct nhrp_cache_iterator_ctx *ic = ctx; + ic->cb(b->data, ic->ctx); + } + ++static void nhrp_cache_config_iterator(struct hash_bucket *b, void *ctx) ++{ ++ struct nhrp_cache_config_iterator_ctx *ic = ctx; ++ ic->cb(b->data, ic->ctx); ++} ++ + void nhrp_cache_foreach(struct interface *ifp, + void (*cb)(struct nhrp_cache *, void *), void *ctx) + { +@@ -441,6 +515,18 @@ void nhrp_cache_foreach(struct interface + hash_iterate(nifp->cache_hash, nhrp_cache_iterator, &ic); + } + ++void nhrp_cache_config_foreach(struct interface *ifp, ++ void (*cb)(struct nhrp_cache_config *, void *), void *ctx) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_cache_config_iterator_ctx ic = { ++ .cb = cb, .ctx = ctx, ++ }; ++ ++ if (nifp->cache_config_hash) ++ hash_iterate(nifp->cache_config_hash, nhrp_cache_config_iterator, &ic); ++} ++ + void nhrp_cache_notify_add(struct nhrp_cache *c, struct notifier_block *n, + notifier_fn_t fn) + { +--- a/nhrpd/nhrp_interface.c ++++ b/nhrpd/nhrp_interface.c +@@ -23,6 +23,10 @@ + + DEFINE_MTYPE_STATIC(NHRPD, NHRP_IF, "NHRP interface") + ++static void nhrp_interface_update_cache_config(struct interface *ifp, ++ bool available, ++ uint8_t family); ++ + static int nhrp_if_new_hook(struct interface *ifp) + { + struct nhrp_interface *nifp; +@@ -311,11 +315,68 @@ int nhrp_ifp_destroy(struct interface *i + { + debugf(NHRP_DEBUG_IF, "if-delete: %s", ifp->name); + ++ nhrp_interface_update_cache_config(ifp, false, AF_INET); ++ nhrp_interface_update_cache_config(ifp, false, AF_INET6); + nhrp_interface_update(ifp); + + return 0; + } + ++struct map_ctx { ++ int family; ++ bool enabled; ++}; ++ ++static void interface_config_update_nhrp_map(struct nhrp_cache_config *cc, void *data) ++{ ++ struct map_ctx *ctx = data; ++ struct interface *ifp = cc->ifp; ++ struct nhrp_cache *c; ++ union sockunion nbma_addr; ++ ++ if (sockunion_family(&cc->remote_addr) != ctx->family) ++ return; ++ ++ /* gre layer not ready */ ++ if (ifp->vrf_id == VRF_UNKNOWN) ++ return; ++ ++ c = nhrp_cache_get(ifp, &cc->remote_addr, ctx->enabled ? 1 : 0); ++ if (!c && !ctx->enabled) ++ return; ++ /* suppress */ ++ if (!ctx->enabled) { ++ if (c && c->map) { ++ nhrp_cache_update_binding(c, c->cur.type, -1, ++ nhrp_peer_get(ifp, &nbma_addr), 0, NULL); ++ } ++ return; ++ } ++ /* create */ ++ c->map = 1; ++ if (cc->type == NHRP_CACHE_LOCAL) ++ nhrp_cache_update_binding(c, NHRP_CACHE_LOCAL, 0, NULL, 0, ++ NULL); ++ else { ++ nhrp_cache_update_binding(c, NHRP_CACHE_STATIC, 0, ++ nhrp_peer_get(ifp, &cc->nbma), 0, ++ NULL); ++ } ++} ++ ++static void nhrp_interface_update_cache_config(struct interface *ifp, bool available, uint8_t family) ++{ ++ struct map_ctx mapctx; ++ ++ mapctx = (struct map_ctx){ ++ .family = family, ++ .enabled = available ++ }; ++ nhrp_cache_config_foreach(ifp, interface_config_update_nhrp_map, ++ &mapctx); ++ ++} ++ + int nhrp_ifp_up(struct interface *ifp) + { + debugf(NHRP_DEBUG_IF, "if-up: %s", ifp->name); +@@ -346,7 +407,7 @@ int nhrp_interface_address_add(ZAPI_CALL + + nhrp_interface_update_address( + ifc->ifp, family2afi(PREFIX_FAMILY(ifc->address)), 0); +- ++ nhrp_interface_update_cache_config(ifc->ifp, true, PREFIX_FAMILY(ifc->address)); + return 0; + } + +--- a/nhrpd/nhrp_vty.c ++++ b/nhrpd/nhrp_vty.c +@@ -494,28 +494,42 @@ DEFUN(if_nhrp_map, if_nhrp_map_cmd, + VTY_DECLVAR_CONTEXT(interface, ifp); + afi_t afi = cmd_to_afi(argv[0]); + union sockunion proto_addr, nbma_addr; ++ struct nhrp_cache_config *cc; + struct nhrp_cache *c; ++ enum nhrp_cache_type type; + + if (str2sockunion(argv[3]->arg, &proto_addr) < 0 + || afi2family(afi) != sockunion_family(&proto_addr)) + return nhrp_vty_return(vty, NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH); + ++ if (strmatch(argv[4]->text, "local")) ++ type = NHRP_CACHE_LOCAL; ++ else { ++ if (str2sockunion(argv[4]->arg, &nbma_addr) < 0) ++ return nhrp_vty_return(vty, NHRP_ERR_FAIL); ++ type = NHRP_CACHE_STATIC; ++ } ++ cc = nhrp_cache_config_get(ifp, &proto_addr, 1); ++ if (!cc) ++ return nhrp_vty_return(vty, NHRP_ERR_FAIL); ++ cc->nbma = nbma_addr; ++ cc->type = type; ++ /* gre layer not ready */ ++ if (ifp->ifindex == IFINDEX_INTERNAL) ++ return CMD_SUCCESS; ++ + c = nhrp_cache_get(ifp, &proto_addr, 1); + if (!c) + return nhrp_vty_return(vty, NHRP_ERR_FAIL); + + c->map = 1; +- if (strmatch(argv[4]->text, "local")) { ++ if (type == NHRP_CACHE_LOCAL) + nhrp_cache_update_binding(c, NHRP_CACHE_LOCAL, 0, NULL, 0, + NULL); +- } else { +- if (str2sockunion(argv[4]->arg, &nbma_addr) < 0) +- return nhrp_vty_return(vty, NHRP_ERR_FAIL); ++ else + nhrp_cache_update_binding(c, NHRP_CACHE_STATIC, 0, + nhrp_peer_get(ifp, &nbma_addr), 0, + NULL); +- } +- + return CMD_SUCCESS; + } + +@@ -533,15 +547,22 @@ DEFUN(if_no_nhrp_map, if_no_nhrp_map_cmd + VTY_DECLVAR_CONTEXT(interface, ifp); + afi_t afi = cmd_to_afi(argv[1]); + union sockunion proto_addr, nbma_addr; ++ struct nhrp_cache_config *cc; + struct nhrp_cache *c; + + if (str2sockunion(argv[4]->arg, &proto_addr) < 0 + || afi2family(afi) != sockunion_family(&proto_addr)) + return nhrp_vty_return(vty, NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH); + ++ cc = nhrp_cache_config_get(ifp, &proto_addr, 0); ++ if (!cc) ++ return nhrp_vty_return(vty, NHRP_ERR_FAIL); ++ nhrp_cache_config_free(cc); ++ + c = nhrp_cache_get(ifp, &proto_addr, 0); ++ /* silently return */ + if (!c || !c->map) +- return nhrp_vty_return(vty, NHRP_ERR_ENTRY_NOT_FOUND); ++ return CMD_SUCCESS; + + nhrp_cache_update_binding(c, c->cur.type, -1, + nhrp_peer_get(ifp, &nbma_addr), 0, NULL); +@@ -997,23 +1018,19 @@ struct write_map_ctx { + const char *aficmd; + }; + +-static void interface_config_write_nhrp_map(struct nhrp_cache *c, void *data) ++static void interface_config_write_nhrp_map(struct nhrp_cache_config *c, void *data) + { + struct write_map_ctx *ctx = data; + struct vty *vty = ctx->vty; + char buf[2][SU_ADDRSTRLEN]; + +- if (!c->map) +- return; + if (sockunion_family(&c->remote_addr) != ctx->family) + return; + + vty_out(vty, " %s nhrp map %s %s\n", ctx->aficmd, + sockunion2str(&c->remote_addr, buf[0], sizeof(buf[0])), +- c->cur.type == NHRP_CACHE_LOCAL +- ? "local" +- : sockunion2str(&c->cur.peer->vc->remote.nbma, buf[1], +- sizeof(buf[1]))); ++ c->type == NHRP_CACHE_LOCAL ++ ? "local" : sockunion2str(&c->nbma, buf[1], sizeof(buf[1]))); + } + + static int interface_config_write(struct vty *vty) +@@ -1076,8 +1093,8 @@ static int interface_config_write(struct + .family = afi2family(afi), + .aficmd = aficmd, + }; +- nhrp_cache_foreach(ifp, interface_config_write_nhrp_map, +- &mapctx); ++ nhrp_cache_config_foreach(ifp, interface_config_write_nhrp_map, ++ &mapctx); + + list_for_each_entry(nhs, &ad->nhslist_head, + nhslist_entry) +--- a/nhrpd/nhrpd.h ++++ b/nhrpd/nhrpd.h +@@ -197,6 +197,13 @@ enum nhrp_cache_type { + extern const char *const nhrp_cache_type_str[]; + extern unsigned long nhrp_cache_counts[NHRP_CACHE_NUM_TYPES]; + ++struct nhrp_cache_config { ++ struct interface *ifp; ++ union sockunion remote_addr; ++ enum nhrp_cache_type type; ++ union sockunion nbma; ++}; ++ + struct nhrp_cache { + struct interface *ifp; + union sockunion remote_addr; +@@ -280,6 +287,7 @@ struct nhrp_interface { + uint32_t grekey; + + struct hash *peer_hash; ++ struct hash *cache_config_hash; + struct hash *cache_hash; + + struct notifier_list notifier_list; +@@ -358,10 +366,16 @@ void nhrp_shortcut_foreach(afi_t afi, + void nhrp_shortcut_purge(struct nhrp_shortcut *s, int force); + void nhrp_shortcut_prefix_change(const struct prefix *p, int deleted); + ++void nhrp_cache_config_free(struct nhrp_cache_config *c); ++struct nhrp_cache_config *nhrp_cache_config_get(struct interface *ifp, ++ union sockunion *remote_addr, ++ int create); + struct nhrp_cache *nhrp_cache_get(struct interface *ifp, + union sockunion *remote_addr, int create); + void nhrp_cache_foreach(struct interface *ifp, + void (*cb)(struct nhrp_cache *, void *), void *ctx); ++void nhrp_cache_config_foreach(struct interface *ifp, ++ void (*cb)(struct nhrp_cache_config *, void *), void *ctx); + void nhrp_cache_set_used(struct nhrp_cache *, int); + int nhrp_cache_update_binding(struct nhrp_cache *, enum nhrp_cache_type type, + int holding_time, struct nhrp_peer *p, diff --git a/net/frr/patches/047-nhrpd_fix_SA_warning.patch b/net/frr/patches/047-nhrpd_fix_SA_warning.patch new file mode 100644 index 0000000000..fdf78a5e69 --- /dev/null +++ b/net/frr/patches/047-nhrpd_fix_SA_warning.patch @@ -0,0 +1,48 @@ +From e5773617afba7408c76ec2683814ce076c72c79d Mon Sep 17 00:00:00 2001 +From: Mark Stapp +Date: Tue, 8 Dec 2020 09:10:10 -0500 +Subject: [PATCH] nhrpd: fix SA warning in nhrp_interface + +Clear SA warning from recent nhrp cache code changes. + +Signed-off-by: Mark Stapp +--- + nhrpd/nhrp_interface.c | 14 ++++++++++---- + 1 file changed, 10 insertions(+), 4 deletions(-) + +--- a/nhrpd/nhrp_interface.c ++++ b/nhrpd/nhrp_interface.c +@@ -327,7 +327,8 @@ struct map_ctx { + bool enabled; + }; + +-static void interface_config_update_nhrp_map(struct nhrp_cache_config *cc, void *data) ++static void interface_config_update_nhrp_map(struct nhrp_cache_config *cc, ++ void *data) + { + struct map_ctx *ctx = data; + struct interface *ifp = cc->ifp; +@@ -344,15 +345,20 @@ static void interface_config_update_nhrp + c = nhrp_cache_get(ifp, &cc->remote_addr, ctx->enabled ? 1 : 0); + if (!c && !ctx->enabled) + return; ++ + /* suppress */ + if (!ctx->enabled) { + if (c && c->map) { +- nhrp_cache_update_binding(c, c->cur.type, -1, +- nhrp_peer_get(ifp, &nbma_addr), 0, NULL); ++ nhrp_cache_update_binding( ++ c, c->cur.type, -1, ++ nhrp_peer_get(ifp, &nbma_addr), 0, NULL); + } + return; + } +- /* create */ ++ ++ /* Newly created */ ++ assert(c != NULL); ++ + c->map = 1; + if (cc->type == NHRP_CACHE_LOCAL) + nhrp_cache_update_binding(c, NHRP_CACHE_LOCAL, 0, NULL, 0, diff --git a/net/frr/patches/048-nhrpd_cleanup_resources.patch b/net/frr/patches/048-nhrpd_cleanup_resources.patch new file mode 100644 index 0000000000..5eafe61a8d --- /dev/null +++ b/net/frr/patches/048-nhrpd_cleanup_resources.patch @@ -0,0 +1,226 @@ +From ee72f0a0eb93038ef6dfd01fed9f32e24c5de2a1 Mon Sep 17 00:00:00 2001 +From: Reuben Dowle +Date: Mon, 7 Dec 2020 16:35:13 +1300 +Subject: [PATCH] nhrpd: Cleanup resources when interface is deleted + +Currently when an interface is deleted from configuration, associated +resources are not freed. This causes memory leaks and crashes. + +To reproduce this issue: +* Connect to a DMVPN hub +* Outside of frr, delete the underlying GRE interface +* Use 'no interface xxx' to delete the interface containing nhrp configurations + +Signed-off-by: Reuben Dowle +--- + nhrpd/nhrp_cache.c | 42 ++++++++++++++++++++++++++++++++++++++++-- + nhrpd/nhrp_interface.c | 15 +++++++++++++++ + nhrpd/nhrp_nhs.c | 18 ++++++++++++++++++ + nhrpd/nhrp_peer.c | 27 +++++++++++++++++++++++++++ + nhrpd/nhrpd.h | 3 +++ + 5 files changed, 103 insertions(+), 2 deletions(-) + mode change 100644 => 100755 nhrpd/nhrp_cache.c + mode change 100644 => 100755 nhrpd/nhrp_interface.c + mode change 100644 => 100755 nhrpd/nhrpd.h + +--- a/nhrpd/nhrp_cache.c ++++ b/nhrpd/nhrp_cache.c +@@ -69,12 +69,13 @@ static void nhrp_cache_free(struct nhrp_ + { + struct nhrp_interface *nifp = c->ifp->info; + +- zassert(c->cur.type == NHRP_CACHE_INVALID && c->cur.peer == NULL); +- zassert(c->new.type == NHRP_CACHE_INVALID && c->new.peer == NULL); ++ debugf(NHRP_DEBUG_COMMON, "Deleting cache entry"); + nhrp_cache_counts[c->cur.type]--; + notifier_call(&c->notifier_list, NOTIFY_CACHE_DELETE); + zassert(!notifier_active(&c->notifier_list)); + hash_release(nifp->cache_hash, c); ++ THREAD_OFF(c->t_timeout); ++ THREAD_OFF(c->t_auth); + XFREE(MTYPE_NHRP_CACHE, c); + } + +@@ -140,6 +141,41 @@ struct nhrp_cache_config *nhrp_cache_con + create ? nhrp_cache_config_alloc : NULL); + } + ++static void do_nhrp_cache_free(struct hash_bucket *hb, ++ void *arg __attribute__((__unused__))) ++{ ++ struct nhrp_cache *c = hb->data; ++ ++ nhrp_cache_free(c); ++} ++ ++static void do_nhrp_cache_config_free(struct hash_bucket *hb, ++ void *arg __attribute__((__unused__))) ++{ ++ struct nhrp_cache_config *cc = hb->data; ++ ++ nhrp_cache_config_free(cc); ++} ++ ++void nhrp_cache_interface_del(struct interface *ifp) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ ++ debugf(NHRP_DEBUG_COMMON, "Cleaning up undeleted cache entries (%lu)", ++ nifp->cache_hash ? nifp->cache_hash->count : 0); ++ ++ if (nifp->cache_hash) { ++ hash_iterate(nifp->cache_hash, do_nhrp_cache_free, NULL); ++ hash_free(nifp->cache_hash); ++ } ++ ++ if (nifp->cache_config_hash) { ++ hash_iterate(nifp->cache_config_hash, do_nhrp_cache_config_free, ++ NULL); ++ hash_free(nifp->cache_config_hash); ++ } ++} ++ + struct nhrp_cache *nhrp_cache_get(struct interface *ifp, + union sockunion *remote_addr, int create) + { +@@ -164,6 +200,7 @@ struct nhrp_cache *nhrp_cache_get(struct + static int nhrp_cache_do_free(struct thread *t) + { + struct nhrp_cache *c = THREAD_ARG(t); ++ + c->t_timeout = NULL; + nhrp_cache_free(c); + return 0; +@@ -172,6 +209,7 @@ static int nhrp_cache_do_free(struct thr + static int nhrp_cache_do_timeout(struct thread *t) + { + struct nhrp_cache *c = THREAD_ARG(t); ++ + c->t_timeout = NULL; + if (c->cur.type != NHRP_CACHE_INVALID) + nhrp_cache_update_binding(c, c->cur.type, -1, NULL, 0, NULL); +--- a/nhrpd/nhrp_interface.c ++++ b/nhrpd/nhrp_interface.c +@@ -49,6 +49,21 @@ static int nhrp_if_new_hook(struct inter + + static int nhrp_if_delete_hook(struct interface *ifp) + { ++ struct nhrp_interface *nifp = ifp->info; ++ ++ debugf(NHRP_DEBUG_IF, "Deleted interface (%s)", ifp->name); ++ ++ nhrp_cache_interface_del(ifp); ++ nhrp_nhs_interface_del(ifp); ++ nhrp_peer_interface_del(ifp); ++ ++ if (nifp->ipsec_profile) ++ free(nifp->ipsec_profile); ++ if (nifp->ipsec_fallback_profile) ++ free(nifp->ipsec_fallback_profile); ++ if (nifp->source) ++ free(nifp->source); ++ + XFREE(MTYPE_NHRP_IF, ifp->info); + return 0; + } +--- a/nhrpd/nhrp_nhs.c ++++ b/nhrpd/nhrp_nhs.c +@@ -378,6 +378,24 @@ int nhrp_nhs_free(struct nhrp_nhs *nhs) + return 0; + } + ++void nhrp_nhs_interface_del(struct interface *ifp) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_nhs *nhs, *tmp; ++ afi_t afi; ++ ++ for (afi = 0; afi < AFI_MAX; afi++) { ++ debugf(NHRP_DEBUG_COMMON, "Cleaning up nhs entries (%d)", ++ !list_empty(&nifp->afi[afi].nhslist_head)); ++ ++ list_for_each_entry_safe(nhs, tmp, &nifp->afi[afi].nhslist_head, ++ nhslist_entry) ++ { ++ nhrp_nhs_free(nhs); ++ } ++ } ++} ++ + void nhrp_nhs_terminate(void) + { + struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); +--- a/nhrpd/nhrp_peer.c ++++ b/nhrpd/nhrp_peer.c +@@ -38,11 +38,17 @@ static void nhrp_packet_debug(struct zbu + + static void nhrp_peer_check_delete(struct nhrp_peer *p) + { ++ char buf[2][256]; + struct nhrp_interface *nifp = p->ifp->info; + + if (p->ref || notifier_active(&p->notifier_list)) + return; + ++ debugf(NHRP_DEBUG_COMMON, "Deleting peer ref:%d remote:%s local:%s", ++ p->ref, ++ sockunion2str(&p->vc->remote.nbma, buf[0], sizeof(buf[0])), ++ sockunion2str(&p->vc->local.nbma, buf[1], sizeof(buf[1]))); ++ + THREAD_OFF(p->t_fallback); + hash_release(nifp->peer_hash, p); + nhrp_interface_notify_del(p->ifp, &p->ifp_notifier); +@@ -185,6 +191,27 @@ static void *nhrp_peer_create(void *data + return p; + } + ++static void do_peer_hash_free(struct hash_bucket *hb, ++ void *arg __attribute__((__unused__))) ++{ ++ struct nhrp_peer *p = hb->data; ++ nhrp_peer_check_delete(p); ++} ++ ++void nhrp_peer_interface_del(struct interface *ifp) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ ++ debugf(NHRP_DEBUG_COMMON, "Cleaning up undeleted peer entries (%lu)", ++ nifp->peer_hash ? nifp->peer_hash->count : 0); ++ ++ if (nifp->peer_hash) { ++ hash_iterate(nifp->peer_hash, do_peer_hash_free, NULL); ++ assert(nifp->peer_hash->count == 0); ++ hash_free(nifp->peer_hash); ++ } ++} ++ + struct nhrp_peer *nhrp_peer_get(struct interface *ifp, + const union sockunion *remote_nbma) + { +--- a/nhrpd/nhrpd.h ++++ b/nhrpd/nhrpd.h +@@ -343,6 +343,7 @@ void nhrp_nhs_foreach(struct interface * + void (*cb)(struct nhrp_nhs *, struct nhrp_registration *, + void *), + void *ctx); ++void nhrp_nhs_interface_del(struct interface *ifp); + + void nhrp_route_update_nhrp(const struct prefix *p, struct interface *ifp); + void nhrp_route_announce(int add, enum nhrp_cache_type type, +@@ -366,6 +367,7 @@ void nhrp_shortcut_foreach(afi_t afi, + void nhrp_shortcut_purge(struct nhrp_shortcut *s, int force); + void nhrp_shortcut_prefix_change(const struct prefix *p, int deleted); + ++void nhrp_cache_interface_del(struct interface *ifp); + void nhrp_cache_config_free(struct nhrp_cache_config *c); + struct nhrp_cache_config *nhrp_cache_config_get(struct interface *ifp, + union sockunion *remote_addr, +@@ -446,6 +448,7 @@ struct nhrp_reqid *nhrp_reqid_lookup(str + + int nhrp_packet_init(void); + ++void nhrp_peer_interface_del(struct interface *ifp); + struct nhrp_peer *nhrp_peer_get(struct interface *ifp, + const union sockunion *remote_nbma); + struct nhrp_peer *nhrp_peer_ref(struct nhrp_peer *p); diff --git a/net/frr/patches/049-clear_ip_ospf_process_and_neighbor.patch b/net/frr/patches/049-clear_ip_ospf_process_and_neighbor.patch new file mode 100644 index 0000000000..ba259cbea8 --- /dev/null +++ b/net/frr/patches/049-clear_ip_ospf_process_and_neighbor.patch @@ -0,0 +1,383 @@ +From f91ce319d3cdb465df54ff4e091dbd4aed85b24c Mon Sep 17 00:00:00 2001 +From: Mobashshera Rasool +Date: Wed, 23 Dec 2020 13:20:22 +0000 +Subject: [PATCH] ospfd: Clear ip ospf process and clear ip ospf neighbor + +Implement the below 2 CLIs to clear the current data in the process +and neighbor data structure. +1. clear ip ospf process +2. clear ip ospf neighbor + +Signed-off-by: Mobashshera Rasool +--- + doc/user/ospfd.rst | 17 ++++++++ + ospfd/ospf_ase.c | 1 + + ospfd/ospf_lsa.c | 13 +++++- + ospfd/ospf_vty.c | 72 +++++++++++++++++++++++++++++++-- + ospfd/ospfd.c | 99 ++++++++++++++++++++++++++++++++++++---------- + ospfd/ospfd.h | 5 +++ + 6 files changed, 182 insertions(+), 25 deletions(-) + +--- a/doc/user/ospfd.rst ++++ b/doc/user/ospfd.rst +@@ -322,6 +322,23 @@ To start OSPF process you have to specif + + This feature is enabled by default. + ++.. index:: clear ip ospf [(1-65535)] process ++.. clicmd:: clear ip ospf [(1-65535)] process ++ ++ This command can be used to clear the ospf process data structures. This ++ will clear the ospf neighborship as well and it will get re-established. ++ This will clear the LSDB too. This will be helpful when there is a change ++ in router-id and if user wants the router-id change to take effect, user can ++ use this cli instead of restarting the ospfd daemon. ++ ++.. index:: clear ip ospf [(1-65535)] neighbor ++.. clicmd:: clear ip ospf [(1-65535)] neighbor ++ ++ This command can be used to clear the ospf neighbor data structures. This ++ will clear the ospf neighborship and it will get re-established. This ++ command can be used when the neighbor state get stuck at some state and ++ this can be used to recover it from that state. ++ + .. _ospf-area: + + Areas +--- a/ospfd/ospf_ase.c ++++ b/ospfd/ospf_ase.c +@@ -753,6 +753,7 @@ void ospf_ase_unregister_external_lsa(st + lst = rn->info; + listnode_delete(lst, lsa); + ospf_lsa_unlock(&lsa); /* external_lsas list */ ++ + route_unlock_node(rn); + } + } +--- a/ospfd/ospf_lsa.c ++++ b/ospfd/ospf_lsa.c +@@ -2735,7 +2735,7 @@ int ospf_check_nbr_status(struct ospf *o + static int ospf_maxage_lsa_remover(struct thread *thread) + { + struct ospf *ospf = THREAD_ARG(thread); +- struct ospf_lsa *lsa; ++ struct ospf_lsa *lsa, *old; + struct route_node *rn; + int reschedule = 0; + +@@ -2797,6 +2797,17 @@ static int ospf_maxage_lsa_remover(struc + + /* Remove from lsdb. */ + if (lsa->lsdb) { ++ old = ospf_lsdb_lookup(lsa->lsdb, lsa); ++ /* The max age LSA here must be the same ++ * as the LSA in LSDB ++ */ ++ if (old != lsa) { ++ flog_err(EC_OSPF_LSA_MISSING, ++ "%s: LSA[Type%d:%s]: LSA not in LSDB", ++ __func__, lsa->data->type, ++ inet_ntoa(lsa->data->id)); ++ continue; ++ } + ospf_discard_from_db(ospf, lsa->lsdb, lsa); + ospf_lsdb_delete(lsa->lsdb, lsa); + } else { +--- a/ospfd/ospf_vty.c ++++ b/ospfd/ospf_vty.c +@@ -276,7 +276,7 @@ DEFPY (ospf_router_id, + for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) + if (area->full_nbrs) { + vty_out(vty, +- "For this router-id change to take effect, save config and restart ospfd\n"); ++ "For this router-id change to take effect, use “clear ip ospf process” command\n"); + return CMD_SUCCESS; + } + +@@ -309,7 +309,7 @@ DEFUN_HIDDEN (ospf_router_id_old, + for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) + if (area->full_nbrs) { + vty_out(vty, +- "For this router-id change to take effect, save config and restart ospfd\n"); ++ "For this router-id change to take effect, use “clear ip ospf process” command\n"); + return CMD_SUCCESS; + } + +@@ -342,7 +342,7 @@ DEFPY (no_ospf_router_id, + for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) + if (area->full_nbrs) { + vty_out(vty, +- "For this router-id change to take effect, save config and restart ospfd\n"); ++ "For this router-id change to take effect, use “clear ip ospf process” command\n"); + return CMD_SUCCESS; + } + +@@ -9769,6 +9769,70 @@ DEFUN (show_ip_ospf_vrfs, + + return CMD_SUCCESS; + } ++DEFPY (clear_ip_ospf_neighbor, ++ clear_ip_ospf_neighbor_cmd, ++ "clear ip ospf [(1-65535)]$instance neighbor [A.B.C.D$nbr_id]", ++ CLEAR_STR ++ IP_STR ++ "OSPF information\n" ++ "Instance ID\n" ++ "Reset OSPF Neighbor\n" ++ "Neighbor ID\n") ++{ ++ struct listnode *node; ++ struct ospf *ospf = NULL; ++ ++ /* If user does not specify the arguments, ++ * instance = 0 and nbr_id = 0.0.0.0 ++ */ ++ if (instance != 0) { ++ /* This means clear only the particular ospf process */ ++ ospf = ospf_lookup_instance(instance); ++ if (ospf == NULL) ++ return CMD_NOT_MY_INSTANCE; ++ } ++ ++ /* Clear all the ospf processes */ ++ for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) { ++ if (!ospf->oi_running) ++ continue; ++ ++ ospf_neighbor_reset(ospf, nbr_id, nbr_id_str); ++ } ++ ++ return CMD_SUCCESS; ++} ++ ++DEFPY (clear_ip_ospf_process, ++ clear_ip_ospf_process_cmd, ++ "clear ip ospf [(1-65535)]$instance process", ++ CLEAR_STR ++ IP_STR ++ "OSPF information\n" ++ "Instance ID\n" ++ "Reset OSPF Process\n") ++{ ++ struct listnode *node; ++ struct ospf *ospf = NULL; ++ ++ /* Check if instance is not passed as an argument */ ++ if (instance != 0) { ++ /* This means clear only the particular ospf process */ ++ ospf = ospf_lookup_instance(instance); ++ if (ospf == NULL) ++ return CMD_NOT_MY_INSTANCE; ++ } ++ ++ /* Clear all the ospf processes */ ++ for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) { ++ if (!ospf->oi_running) ++ continue; ++ ++ ospf_process_reset(ospf); ++ } ++ ++ return CMD_SUCCESS; ++} + + static const char *const ospf_abr_type_str[] = { + "unknown", "standard", "ibm", "cisco", "shortcut" +@@ -10806,6 +10870,8 @@ DEFUN (clear_ip_ospf_interface, + void ospf_vty_clear_init(void) + { + install_element(ENABLE_NODE, &clear_ip_ospf_interface_cmd); ++ install_element(ENABLE_NODE, &clear_ip_ospf_process_cmd); ++ install_element(ENABLE_NODE, &clear_ip_ospf_neighbor_cmd); + } + + +--- a/ospfd/ospfd.c ++++ b/ospfd/ospfd.c +@@ -84,13 +84,15 @@ static void ospf_finish_final(struct osp + + #define OSPF_EXTERNAL_LSA_ORIGINATE_DELAY 1 + +-void ospf_router_id_update(struct ospf *ospf) ++void ospf_process_refresh_data(struct ospf *ospf, bool reset) + { + struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); + struct in_addr router_id, router_id_old; + struct ospf_interface *oi; + struct interface *ifp; +- struct listnode *node; ++ struct listnode *node, *nnode; ++ struct ospf_area *area; ++ bool rid_change = false; + + if (!ospf->oi_running) { + if (IS_DEBUG_OSPF_EVENT) +@@ -123,8 +125,8 @@ void ospf_router_id_update(struct ospf * + zlog_debug("Router-ID[OLD:%s]: Update to %s", + inet_ntoa(ospf->router_id), inet_ntoa(router_id)); + +- if (!IPV4_ADDR_SAME(&router_id_old, &router_id)) { +- ++ rid_change = !(IPV4_ADDR_SAME(&router_id_old, &router_id)); ++ if (rid_change || (reset)) { + for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { + /* Some nbrs are identified by router_id, these needs + * to be rebuilt. Possible optimization would be to do +@@ -146,16 +148,8 @@ void ospf_router_id_update(struct ospf * + ospf_if_up(oi); + } + +- /* Flush (inline) all external LSAs based on the OSPF_LSA_SELF +- * flag */ +- if (ospf->lsdb) { +- struct route_node *rn; +- struct ospf_lsa *lsa; +- +- LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa) +- if (IS_LSA_SELF(lsa)) +- ospf_lsa_flush_schedule(ospf, lsa); +- } ++ /* Flush (inline) all the self originated LSAs */ ++ ospf_flush_self_originated_lsas_now(ospf); + + ospf->router_id = router_id; + if (IS_DEBUG_OSPF_EVENT) +@@ -180,24 +174,81 @@ void ospf_router_id_update(struct ospf * + LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa) { + /* AdvRouter and Router ID is the same. */ + if (IPV4_ADDR_SAME(&lsa->data->adv_router, +- &ospf->router_id)) { ++ &ospf->router_id) && rid_change) { + SET_FLAG(lsa->flags, + OSPF_LSA_SELF_CHECKED); + SET_FLAG(lsa->flags, OSPF_LSA_SELF); + ospf_lsa_flush_schedule(ospf, lsa); + } ++ /* The above flush will send immediately ++ * So discard the LSA to originate new ++ */ ++ ospf_discard_from_db(ospf, ospf->lsdb, lsa); + } ++ ++ LSDB_LOOP (OPAQUE_AS_LSDB(ospf), rn, lsa) ++ ospf_discard_from_db(ospf, ospf->lsdb, lsa); ++ ++ ospf_lsdb_delete_all(ospf->lsdb); + } + ++ /* Delete the LSDB */ ++ for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) ++ ospf_area_lsdb_discard_delete(area); ++ + /* update router-lsa's for each area */ + ospf_router_lsa_update(ospf); + + /* update ospf_interface's */ +- FOR_ALL_INTERFACES (vrf, ifp) +- ospf_if_update(ospf, ifp); ++ FOR_ALL_INTERFACES (vrf, ifp) { ++ if (reset) ++ ospf_if_reset(ifp); ++ else ++ ospf_if_update(ospf, ifp); ++ } + + ospf_external_lsa_rid_change(ospf); + } ++ ++ ospf->inst_shutdown = 0; ++} ++ ++void ospf_router_id_update(struct ospf *ospf) ++{ ++ ospf_process_refresh_data(ospf, false); ++} ++ ++void ospf_process_reset(struct ospf *ospf) ++{ ++ ospf_process_refresh_data(ospf, true); ++} ++ ++void ospf_neighbor_reset(struct ospf *ospf, struct in_addr nbr_id, ++ const char *nbr_str) ++{ ++ struct route_node *rn; ++ struct ospf_neighbor *nbr; ++ struct ospf_interface *oi; ++ struct listnode *node; ++ ++ /* Clear only a particular nbr with nbr router id as nbr_id */ ++ if (nbr_str != NULL) { ++ for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { ++ nbr = ospf_nbr_lookup_by_routerid(oi->nbrs, &nbr_id); ++ if (nbr) ++ OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr); ++ } ++ return; ++ } ++ ++ /* send Neighbor event KillNbr to all associated neighbors. */ ++ for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { ++ for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) { ++ nbr = rn->info; ++ if (nbr && (nbr != oi->nbr_self)) ++ OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr); ++ } ++ } + } + + /* For OSPF area sort by area id. */ +@@ -839,14 +890,11 @@ static struct ospf_area *ospf_area_new(s + return new; + } + +-static void ospf_area_free(struct ospf_area *area) ++void ospf_area_lsdb_discard_delete(struct ospf_area *area) + { + struct route_node *rn; + struct ospf_lsa *lsa; + +- ospf_opaque_type10_lsa_term(area); +- +- /* Free LSDBs. */ + LSDB_LOOP (ROUTER_LSDB(area), rn, lsa) + ospf_discard_from_db(area->ospf, area->lsdb, lsa); + LSDB_LOOP (NETWORK_LSDB(area), rn, lsa) +@@ -864,6 +912,15 @@ static void ospf_area_free(struct ospf_a + ospf_discard_from_db(area->ospf, area->lsdb, lsa); + + ospf_lsdb_delete_all(area->lsdb); ++} ++ ++static void ospf_area_free(struct ospf_area *area) ++{ ++ ospf_opaque_type10_lsa_term(area); ++ ++ /* Free LSDBs. */ ++ ospf_area_lsdb_discard_delete(area); ++ + ospf_lsdb_free(area->lsdb); + + ospf_lsa_unlock(&area->router_lsa_self); +--- a/ospfd/ospfd.h ++++ b/ospfd/ospfd.h +@@ -523,7 +523,11 @@ extern struct ospf *ospf_lookup_by_inst_ + const char *name); + extern struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id); + extern void ospf_finish(struct ospf *); ++extern void ospf_process_refresh_data(struct ospf *ospf, bool reset); + extern void ospf_router_id_update(struct ospf *ospf); ++extern void ospf_process_reset(struct ospf *ospf); ++extern void ospf_neighbor_reset(struct ospf *ospf, struct in_addr nbr_id, ++ const char *nbr_str); + extern int ospf_network_set(struct ospf *, struct prefix_ipv4 *, struct in_addr, + int); + extern int ospf_network_unset(struct ospf *, struct prefix_ipv4 *, +@@ -548,6 +552,7 @@ extern int ospf_area_shortcut_set(struct + extern int ospf_area_shortcut_unset(struct ospf *, struct ospf_area *); + extern int ospf_timers_refresh_set(struct ospf *, int); + extern int ospf_timers_refresh_unset(struct ospf *); ++void ospf_area_lsdb_discard_delete(struct ospf_area *area); + extern int ospf_nbr_nbma_set(struct ospf *, struct in_addr); + extern int ospf_nbr_nbma_unset(struct ospf *, struct in_addr); + extern int ospf_nbr_nbma_priority_set(struct ospf *, struct in_addr, uint8_t); diff --git a/net/frr/patches/050-ospf_nbr_nbma_lookup_next.patch b/net/frr/patches/050-ospf_nbr_nbma_lookup_next.patch new file mode 100644 index 0000000000..c9c4906178 --- /dev/null +++ b/net/frr/patches/050-ospf_nbr_nbma_lookup_next.patch @@ -0,0 +1,105 @@ +From 153bdb3d03542530ed1deccbefc716cb4b699a67 Mon Sep 17 00:00:00 2001 +From: Donald Sharp +Date: Thu, 28 Jan 2021 14:56:11 -0500 +Subject: [PATCH] ospfd: ospf_nbr_nbma_lookup_next always returns NULL + +The calling function of ospf_nbr_nbma_lookup_next calls +this function and then immediately returns when it +gets the NULL. Just cleanup a bit more code. + +Signed-off-by: Donald Sharp +--- + ospfd/ospf_snmp.c | 23 +---------------------- + ospfd/ospfd.c | 9 --------- + ospfd/ospfd.h | 2 -- + 3 files changed, 1 insertion(+), 33 deletions(-) + +--- a/ospfd/ospf_snmp.c ++++ b/ospfd/ospf_snmp.c +@@ -1236,7 +1236,6 @@ static struct ospf_nbr_nbma *ospfHostLoo + size_t *length, + struct in_addr *addr, int exact) + { +- int len; + struct ospf_nbr_nbma *nbr_nbma; + struct ospf *ospf; + +@@ -1258,28 +1257,8 @@ static struct ospf_nbr_nbma *ospfHostLoo + nbr_nbma = ospf_nbr_nbma_lookup(ospf, *addr); + + return nbr_nbma; +- } else { +- len = *length - v->namelen; +- if (len > 4) +- len = 4; +- +- oid2in_addr(name + v->namelen, len, addr); +- +- nbr_nbma = +- ospf_nbr_nbma_lookup_next(ospf, addr, len == 0 ? 1 : 0); +- +- if (nbr_nbma == NULL) +- return NULL; +- +- oid_copy_addr(name + v->namelen, addr, IN_ADDR_SIZE); +- +- /* Set TOS 0. */ +- name[v->namelen + IN_ADDR_SIZE] = 0; +- +- *length = v->namelen + IN_ADDR_SIZE + 1; +- +- return nbr_nbma; + } ++ + return NULL; + } + +--- a/ospfd/ospfd.c ++++ b/ospfd/ospfd.c +@@ -1932,35 +1932,6 @@ struct ospf_nbr_nbma *ospf_nbr_nbma_look + return NULL; + } + +-struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next(struct ospf *ospf, +- struct in_addr *addr, int first) +-{ +-#if 0 +- struct ospf_nbr_nbma *nbr_nbma; +- struct listnode *node; +-#endif +- +- if (ospf == NULL) +- return NULL; +- +-#if 0 +- for (ALL_LIST_ELEMENTS_RO (ospf->nbr_nbma, node, nbr_nbma)) +- { +- if (first) +- { +- *addr = nbr_nbma->addr; +- return nbr_nbma; +- } +- else if (ntohl (nbr_nbma->addr.s_addr) > ntohl (addr->s_addr)) +- { +- *addr = nbr_nbma->addr; +- return nbr_nbma; +- } +- } +-#endif +- return NULL; +-} +- + int ospf_nbr_nbma_set(struct ospf *ospf, struct in_addr nbr_addr) + { + struct ospf_nbr_nbma *nbr_nbma; +--- a/ospfd/ospfd.h ++++ b/ospfd/ospfd.h +@@ -567,8 +567,6 @@ extern void ospf_terminate(void); + extern void ospf_nbr_nbma_if_update(struct ospf *, struct ospf_interface *); + extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup(struct ospf *, + struct in_addr); +-extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next(struct ospf *, +- struct in_addr *, int); + extern int ospf_oi_count(struct interface *); + + extern struct ospf_area *ospf_area_get(struct ospf *, struct in_addr); diff --git a/net/frr/patches/051-ospfd_instance_fixes.patch b/net/frr/patches/051-ospfd_instance_fixes.patch new file mode 100644 index 0000000000..91f999ab09 --- /dev/null +++ b/net/frr/patches/051-ospfd_instance_fixes.patch @@ -0,0 +1,797 @@ +From 409f98ab443682ec360e3e76954f1c8985b3371d Mon Sep 17 00:00:00 2001 +From: Igor Ryzhov +Date: Thu, 28 Jan 2021 02:41:07 +0300 +Subject: [PATCH 1/2] ospfd: don't rely on instance existence in vty + +Store instance index at startup and use it when processing vty commands. +The instance itself may be created and deleted by the user in runtime +using `[no] router ospf X` command. + +Fixes #7908 + +Signed-off-by: Igor Ryzhov +--- + ospfd/ospf_dump.c | 70 ++++++--------- + ospfd/ospf_main.c | 20 +---- + ospfd/ospf_vty.c | 220 +++++++++++++++++++++++----------------------- + ospfd/ospfd.c | 26 +++--- + ospfd/ospfd.h | 3 +- + 5 files changed, 154 insertions(+), 185 deletions(-) + +--- a/ospfd/ospf_dump.c ++++ b/ospfd/ospf_dump.c +@@ -607,7 +607,7 @@ DEFUN (debug_ospf_packet, + + if (inst) // user passed instance ID + { +- if (!ospf_lookup_instance(strtoul(argv[2]->arg, NULL, 10))) ++ if (inst != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -683,7 +683,7 @@ DEFUN (no_debug_ospf_packet, + + if (inst) // user passed instance ID + { +- if (!ospf_lookup_instance(strtoul(argv[3]->arg, NULL, 10))) ++ if (inst != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -754,7 +754,7 @@ DEFUN (debug_ospf_ism, + + if (inst) // user passed instance ID + { +- if (!ospf_lookup_instance(strtoul(argv[2]->arg, NULL, 10))) ++ if (inst != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -805,7 +805,7 @@ DEFUN (no_debug_ospf_ism, + + if (inst) // user passed instance ID + { +- if (!ospf_lookup_instance(strtoul(argv[3]->arg, NULL, 10))) ++ if (inst != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -900,8 +900,8 @@ DEFUN (debug_ospf_instance_nsm, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + return debug_ospf_nsm_common(vty, 4, argc, argv); + } +@@ -972,7 +972,7 @@ DEFUN (no_debug_ospf_instance_nsm, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + + return no_debug_ospf_nsm_common(vty, 5, argc, argv); +@@ -1046,7 +1046,7 @@ DEFUN (debug_ospf_instance_lsa, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + + return debug_ospf_lsa_common(vty, 4, argc, argv); +@@ -1122,7 +1122,7 @@ DEFUN (no_debug_ospf_instance_lsa, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + + return no_debug_ospf_lsa_common(vty, 5, argc, argv); +@@ -1184,7 +1184,7 @@ DEFUN (debug_ospf_instance_zebra, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + + return debug_ospf_zebra_common(vty, 4, argc, argv); +@@ -1248,8 +1248,8 @@ DEFUN (no_debug_ospf_instance_zebra, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + return no_debug_ospf_zebra_common(vty, 5, argc, argv); + } +@@ -1294,8 +1294,8 @@ DEFUN (debug_ospf_instance_event, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + if (vty->node == CONFIG_NODE) + CONF_DEBUG_ON(event, EVENT); +@@ -1316,8 +1316,8 @@ DEFUN (no_debug_ospf_instance_event, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + if (vty->node == CONFIG_NODE) + CONF_DEBUG_OFF(event, EVENT); +@@ -1364,8 +1364,8 @@ DEFUN (debug_ospf_instance_nssa, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + if (vty->node == CONFIG_NODE) + CONF_DEBUG_ON(nssa, NSSA); +@@ -1386,8 +1386,8 @@ DEFUN (no_debug_ospf_instance_nssa, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if (!ospf_lookup_instance(instance)) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + + if (vty->node == CONFIG_NODE) + CONF_DEBUG_OFF(nssa, NSSA); +@@ -1536,12 +1536,12 @@ DEFUN (no_debug_ospf, + return CMD_SUCCESS; + } + +-static int show_debugging_ospf_common(struct vty *vty, struct ospf *ospf) ++static int show_debugging_ospf_common(struct vty *vty) + { + int i; + +- if (ospf->instance) +- vty_out(vty, "\nOSPF Instance: %d\n\n", ospf->instance); ++ if (ospf_instance) ++ vty_out(vty, "\nOSPF Instance: %d\n\n", ospf_instance); + + vty_out(vty, "OSPF debugging status:\n"); + +@@ -1645,13 +1645,7 @@ DEFUN_NOSH (show_debugging_ospf, + DEBUG_STR + OSPF_STR) + { +- struct ospf *ospf = NULL; +- +- ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); +- if (ospf == NULL) +- return CMD_SUCCESS; +- +- return show_debugging_ospf_common(vty, ospf); ++ return show_debugging_ospf_common(vty); + } + + DEFUN_NOSH (show_debugging_ospf_instance, +@@ -1663,14 +1657,13 @@ DEFUN_NOSH (show_debugging_ospf_instance + "Instance ID\n") + { + int idx_number = 3; +- struct ospf *ospf; + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- if ((ospf = ospf_lookup_instance(instance)) == NULL) +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; + +- return show_debugging_ospf_common(vty, ospf); ++ return show_debugging_ospf_common(vty); + } + + static int config_write_debug(struct vty *vty); +@@ -1693,16 +1686,11 @@ static int config_write_debug(struct vty + "", " send", " recv", "", + " detail", " send detail", " recv detail", " detail"}; + +- struct ospf *ospf; + char str[16]; + memset(str, 0, 16); + +- ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); +- if (ospf == NULL) +- return CMD_SUCCESS; +- +- if (ospf->instance) +- snprintf(str, sizeof(str), " %u", ospf->instance); ++ if (ospf_instance) ++ snprintf(str, sizeof(str), " %u", ospf_instance); + + /* debug ospf ism (status|events|timers). */ + if (IS_CONF_DEBUG_OSPF(ism, ISM) == OSPF_DEBUG_ISM) +--- a/ospfd/ospf_main.c ++++ b/ospfd/ospf_main.c +@@ -145,9 +145,6 @@ FRR_DAEMON_INFO(ospfd, OSPF, .vty_port = + /* OSPFd main routine. */ + int main(int argc, char **argv) + { +- unsigned short instance = 0; +- bool created = false; +- + #ifdef SUPPORT_OSPF_API + /* OSPF apiserver is disabled by default. */ + ospf_apiserver_enable = 0; +@@ -168,8 +165,8 @@ int main(int argc, char **argv) + + switch (opt) { + case 'n': +- ospfd_di.instance = instance = atoi(optarg); +- if (instance < 1) ++ ospfd_di.instance = ospf_instance = atoi(optarg); ++ if (ospf_instance < 1) + exit(0); + break; + case 0: +@@ -207,7 +204,7 @@ int main(int argc, char **argv) + + /* OSPFd inits. */ + ospf_if_init(); +- ospf_zebra_init(master, instance); ++ ospf_zebra_init(master, ospf_instance); + + /* OSPF vty inits. */ + ospf_vty_init(); +@@ -223,17 +220,6 @@ int main(int argc, char **argv) + /* OSPF errors init */ + ospf_error_init(); + +- /* +- * Need to initialize the default ospf structure, so the interface mode +- * commands can be duly processed if they are received before 'router +- * ospf', when ospfd is restarted +- */ +- if (instance && !ospf_get_instance(instance, &created)) { +- flog_err(EC_OSPF_INIT_FAIL, "OSPF instance init failed: %s", +- strerror(errno)); +- exit(1); +- } +- + frr_config_fork(); + frr_run(master); + +--- a/ospfd/ospf_vty.c ++++ b/ospfd/ospf_vty.c +@@ -136,44 +136,37 @@ int ospf_oi_count(struct interface *ifp) + all_vrf = strmatch(vrf_name, "all"); \ + } + +-static struct ospf *ospf_cmd_lookup_ospf(struct vty *vty, +- struct cmd_token *argv[], +- const int argc, uint32_t enable, +- unsigned short *instance) ++static int ospf_router_cmd_parse(struct vty *vty, struct cmd_token *argv[], ++ const int argc, unsigned short *instance, ++ const char **vrf_name) + { +- struct ospf *ospf = NULL; + int idx_vrf = 0, idx_inst = 0; +- const char *vrf_name = NULL; +- bool created = false; + + *instance = 0; +- if (argv_find(argv, argc, "(1-65535)", &idx_inst)) ++ if (argv_find(argv, argc, "(1-65535)", &idx_inst)) { ++ if (ospf_instance == 0) { ++ vty_out(vty, ++ "%% OSPF is not running in instance mode\n"); ++ return CMD_WARNING_CONFIG_FAILED; ++ } ++ + *instance = strtoul(argv[idx_inst]->arg, NULL, 10); ++ } + ++ *vrf_name = NULL; + if (argv_find(argv, argc, "vrf", &idx_vrf)) { +- vrf_name = argv[idx_vrf + 1]->arg; +- if (vrf_name == NULL || strmatch(vrf_name, VRF_DEFAULT_NAME)) +- vrf_name = NULL; +- if (enable) { +- /* Allocate VRF aware instance */ +- ospf = ospf_get(*instance, vrf_name, &created); +- } else { +- ospf = ospf_lookup_by_inst_name(*instance, vrf_name); +- } +- } else { +- if (enable) { +- ospf = ospf_get(*instance, NULL, &created); +- } else { +- ospf = ospf_lookup_instance(*instance); ++ if (ospf_instance != 0) { ++ vty_out(vty, ++ "%% VRF is not supported in instance mode\n"); ++ return CMD_WARNING_CONFIG_FAILED; + } +- } + +- if (created) { +- if (DFLT_OSPF_LOG_ADJACENCY_CHANGES) +- SET_FLAG(ospf->config, OSPF_LOG_ADJACENCY_CHANGES); ++ *vrf_name = argv[idx_vrf + 1]->arg; ++ if (*vrf_name && strmatch(*vrf_name, VRF_DEFAULT_NAME)) ++ *vrf_name = NULL; + } + +- return ospf; ++ return CMD_SUCCESS; + } + + static void ospf_show_vrf_name(struct ospf *ospf, struct vty *vty, +@@ -209,28 +202,35 @@ DEFUN_NOSH (router_ospf, + "Instance ID\n" + VRF_CMD_HELP_STR) + { +- struct ospf *ospf = NULL; +- int ret = CMD_SUCCESS; +- unsigned short instance = 0; ++ unsigned short instance; ++ const char *vrf_name; ++ bool created = false; ++ struct ospf *ospf; ++ int ret; + +- ospf = ospf_cmd_lookup_ospf(vty, argv, argc, 1, &instance); +- if (!ospf) +- return CMD_WARNING_CONFIG_FAILED; ++ ret = ospf_router_cmd_parse(vty, argv, argc, &instance, &vrf_name); ++ if (ret != CMD_SUCCESS) ++ return ret; + +- /* The following logic to set the vty qobj index is in place to be able +- to ignore the commands which dont belong to this instance. */ +- if (ospf->instance != instance) { ++ if (instance != ospf_instance) { + VTY_PUSH_CONTEXT_NULL(OSPF_NODE); +- ret = CMD_NOT_MY_INSTANCE; +- } else { +- if (IS_DEBUG_OSPF_EVENT) +- zlog_debug( +- "Config command 'router ospf %d' received, vrf %s id %u oi_running %u", +- instance, ospf->name ? ospf->name : "NIL", +- ospf->vrf_id, ospf->oi_running); +- VTY_PUSH_CONTEXT(OSPF_NODE, ospf); ++ return CMD_NOT_MY_INSTANCE; + } + ++ ospf = ospf_get(instance, vrf_name, &created); ++ ++ if (created) ++ if (DFLT_OSPF_LOG_ADJACENCY_CHANGES) ++ SET_FLAG(ospf->config, OSPF_LOG_ADJACENCY_CHANGES); ++ ++ if (IS_DEBUG_OSPF_EVENT) ++ zlog_debug( ++ "Config command 'router ospf %d' received, vrf %s id %u oi_running %u", ++ ospf->instance, ospf->name ? ospf->name : "NIL", ++ ospf->vrf_id, ospf->oi_running); ++ ++ VTY_PUSH_CONTEXT(OSPF_NODE, ospf); ++ + return ret; + } + +@@ -243,19 +243,25 @@ DEFUN (no_router_ospf, + "Instance ID\n" + VRF_CMD_HELP_STR) + { ++ unsigned short instance; ++ const char *vrf_name; + struct ospf *ospf; +- unsigned short instance = 0; ++ int ret; + +- ospf = ospf_cmd_lookup_ospf(vty, argv, argc, 0, &instance); +- if (ospf == NULL) { +- if (instance) +- return CMD_NOT_MY_INSTANCE; +- else +- return CMD_WARNING; +- } +- ospf_finish(ospf); ++ ret = ospf_router_cmd_parse(vty, argv, argc, &instance, &vrf_name); ++ if (ret != CMD_SUCCESS) ++ return ret; + +- return CMD_SUCCESS; ++ if (instance != ospf_instance) ++ return CMD_NOT_MY_INSTANCE; ++ ++ ospf = ospf_lookup(instance, vrf_name); ++ if (ospf) ++ ospf_finish(ospf); ++ else ++ ret = CMD_WARNING_CONFIG_FAILED; ++ ++ return ret; + } + + +@@ -3324,11 +3330,11 @@ DEFUN (show_ip_ospf_instance, + json_object *json = NULL; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (uj) +@@ -4014,11 +4020,11 @@ DEFUN (show_ip_ospf_instance_interface, + json_object *json = NULL; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (uj) +@@ -4407,11 +4413,11 @@ DEFUN (show_ip_ospf_instance_neighbor, + int ret = CMD_SUCCESS; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (uj) +@@ -4619,11 +4625,11 @@ DEFUN (show_ip_ospf_instance_neighbor_al + int ret = CMD_SUCCESS; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + if (uj) + json = json_object_new_object(); +@@ -4759,11 +4765,11 @@ DEFUN (show_ip_ospf_instance_neighbor_in + show_ip_ospf_neighbour_header(vty); + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (!uj) +@@ -5168,11 +5174,11 @@ DEFPY (show_ip_ospf_instance_neighbor_id + { + struct ospf *ospf; + +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + return show_ip_ospf_neighbor_id_common(vty, ospf, &router_id, !!json, +@@ -5341,11 +5347,11 @@ DEFUN (show_ip_ospf_instance_neighbor_de + int ret = CMD_SUCCESS; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (uj) +@@ -5536,11 +5542,11 @@ DEFUN (show_ip_ospf_instance_neighbor_de + int ret = CMD_SUCCESS; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + if (uj) +@@ -5668,11 +5674,11 @@ DEFUN (show_ip_ospf_instance_neighbor_in + bool uj = use_json(argc, argv); + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + return show_ip_ospf_neighbor_int_detail_common(vty, ospf, idx_ifname, +@@ -6418,10 +6424,11 @@ DEFUN (show_ip_ospf_instance_database, + + if (argv_find(argv, argc, "(1-65535)", &idx)) { + instance = strtoul(argv[idx]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; +- if (!ospf->oi_running) ++ ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + return (show_ip_ospf_database_common(vty, ospf, idx ? 1 : 0, +@@ -6482,15 +6489,12 @@ DEFUN (show_ip_ospf_instance_database_ma + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) { +- vty_out(vty, "%% OSPF instance not found\n"); ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; +- } + + return show_ip_ospf_database_common(vty, ospf, 1, argc, argv, 0); + } +@@ -6576,13 +6580,12 @@ DEFUN (show_ip_ospf_instance_database_ty + + if (argv_find(argv, argc, "(1-65535)", &idx)) { + instance = strtoul(argv[idx]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; +- if (!ospf->oi_running) { +- vty_out(vty, "%% OSPF instance not found\n"); ++ ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; +- } + + return (show_ip_ospf_database_type_adv_router_common( + vty, ospf, idx ? 1 : 0, argc, argv, use_vrf)); +@@ -8033,7 +8036,7 @@ DEFUN (ip_ospf_area, + else + ospf = ospf_lookup_instance(instance); + +- if (instance && ospf == NULL) { ++ if (instance && instance != ospf_instance) { + /* + * At this point we know we have received + * an instance and there is no ospf instance +@@ -8158,7 +8161,7 @@ DEFUN (no_ip_ospf_area, + else + ospf = ospf_lookup_instance(instance); + +- if (instance && ospf == NULL) ++ if (instance && instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + + argv_find(argv, argc, "area", &idx); +@@ -9519,11 +9522,11 @@ DEFUN (show_ip_ospf_instance_border_rout + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + return show_ip_ospf_border_routers_common(vty, ospf, 0); +@@ -9687,11 +9690,11 @@ DEFUN (show_ip_ospf_instance_route, + unsigned short instance = 0; + + instance = strtoul(argv[idx_number]->arg, NULL, 10); +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + +- if (!ospf->oi_running) ++ ospf = ospf_lookup_instance(instance); ++ if (!ospf || !ospf->oi_running) + return CMD_SUCCESS; + + return show_ip_ospf_route_common(vty, ospf, NULL, 0); +@@ -9787,8 +9790,7 @@ DEFPY (clear_ip_ospf_neighbor, + */ + if (instance != 0) { + /* This means clear only the particular ospf process */ +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -9818,8 +9820,7 @@ DEFPY (clear_ip_ospf_process, + /* Check if instance is not passed as an argument */ + if (instance != 0) { + /* This means clear only the particular ospf process */ +- ospf = ospf_lookup_instance(instance); +- if (ospf == NULL) ++ if (instance != ospf_instance) + return CMD_NOT_MY_INSTANCE; + } + +@@ -9860,7 +9861,6 @@ static int config_write_interface_one(st + struct route_node *rn = NULL; + struct ospf_if_params *params; + int write = 0; +- struct ospf *ospf = vrf->info; + + FOR_ALL_INTERFACES (vrf, ifp) { + +@@ -10039,9 +10039,9 @@ static int config_write_interface_one(st + + /* Area print. */ + if (OSPF_IF_PARAM_CONFIGURED(params, if_area)) { +- if (ospf && ospf->instance) ++ if (ospf_instance) + vty_out(vty, " ip ospf %d", +- ospf->instance); ++ ospf_instance); + else + vty_out(vty, " ip ospf"); + +--- a/ospfd/ospfd.c ++++ b/ospfd/ospfd.c +@@ -67,6 +67,8 @@ static struct ospf_master ospf_master; + /* OSPF process wide configuration pointer to export. */ + struct ospf_master *om; + ++unsigned short ospf_instance; ++ + extern struct zclient *zclient; + + +@@ -468,36 +470,28 @@ static void ospf_init(struct ospf *ospf) + ospf_router_id_update(ospf); + } + +-struct ospf *ospf_get(unsigned short instance, const char *name, bool *created) ++struct ospf *ospf_lookup(unsigned short instance, const char *name) + { + struct ospf *ospf; + +- /* vrf name provided call inst and name based api +- * in case of no name pass default ospf instance */ +- if (name) ++ if (ospf_instance) { ++ ospf = ospf_lookup_instance(instance); ++ } else { + ospf = ospf_lookup_by_inst_name(instance, name); +- else +- ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); +- +- *created = (ospf == NULL); +- if (ospf == NULL) { +- ospf = ospf_new(instance, name); +- ospf_add(ospf); +- +- ospf_init(ospf); + } + + return ospf; + } + +-struct ospf *ospf_get_instance(unsigned short instance, bool *created) ++struct ospf *ospf_get(unsigned short instance, const char *name, bool *created) + { + struct ospf *ospf; + +- ospf = ospf_lookup_instance(instance); ++ ospf = ospf_lookup(instance, name); ++ + *created = (ospf == NULL); + if (ospf == NULL) { +- ospf = ospf_new(instance, NULL /* VRF_DEFAULT*/); ++ ospf = ospf_new(instance, name); + ospf_add(ospf); + + ospf_init(ospf); +--- a/ospfd/ospfd.h ++++ b/ospfd/ospfd.h +@@ -507,6 +507,7 @@ struct ospf_nbr_nbma { + + /* Extern variables. */ + extern struct ospf_master *om; ++extern unsigned short ospf_instance; + extern const int ospf_redistributed_proto_max; + extern struct zclient *zclient; + extern struct thread_master *master; +@@ -516,9 +517,9 @@ extern struct zebra_privs_t ospfd_privs; + /* Prototypes. */ + extern const char *ospf_redist_string(unsigned int route_type); + extern struct ospf *ospf_lookup_instance(unsigned short); ++extern struct ospf *ospf_lookup(unsigned short instance, const char *name); + extern struct ospf *ospf_get(unsigned short instance, const char *name, + bool *created); +-extern struct ospf *ospf_get_instance(unsigned short, bool *created); + extern struct ospf *ospf_lookup_by_inst_name(unsigned short instance, + const char *name); + extern struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id); +--- a/vtysh/vtysh.c ++++ b/vtysh/vtysh.c +@@ -2487,7 +2487,7 @@ static int show_per_daemon(const char *l + int ret = CMD_SUCCESS; + + for (i = 0; i < array_size(vtysh_client); i++) +- if (vtysh_client[i].fd >= 0) { ++ if (vtysh_client[i].fd >= 0 || vtysh_client[i].next) { + vty_out(vty, headline, vtysh_client[i].name); + ret = vtysh_client_execute(&vtysh_client[i], line); + vty_out(vty, "\n"); diff --git a/net/frr/patches/052-nhrpd_support_for_multicast.patch b/net/frr/patches/052-nhrpd_support_for_multicast.patch new file mode 100644 index 0000000000..6a78ad45f0 --- /dev/null +++ b/net/frr/patches/052-nhrpd_support_for_multicast.patch @@ -0,0 +1,793 @@ +From f9ff7bf497894b74fd02d54dc0f0a39981f7cc06 Mon Sep 17 00:00:00 2001 +From: Amol Lad +Date: Wed, 17 Feb 2021 13:47:32 +1300 +Subject: [PATCH 1/6] nhrpd: Add support for forwarding multicast packets + +Forwarding multicast is a pre-requisite for allowing multicast based routing +protocols such as OSPF to work with DMVPN + +This code relies on externally adding iptables rule. For example: +iptables -A OUTPUT -d 224.0.0.0/24 -o gre1 -j NFLOG --nflog-group 224 + +Signed-off-by: Reuben Dowle +--- + nhrpd/linux.c | 11 +- + nhrpd/nhrp_interface.c | 2 + + nhrpd/nhrp_multicast.c | 312 +++++++++++++++++++++++++++++++++++++++++ + nhrpd/nhrp_peer.c | 3 +- + nhrpd/nhrp_vty.c | 63 +++++++++ + nhrpd/nhrpd.h | 16 +++ + nhrpd/os.h | 2 +- + nhrpd/subdir.am | 1 + + 8 files changed, 403 insertions(+), 7 deletions(-) + create mode 100644 nhrpd/nhrp_multicast.c + +--- a/nhrpd/linux.c ++++ b/nhrpd/linux.c +@@ -15,6 +15,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -42,7 +43,7 @@ int os_socket(void) + } + + int os_sendmsg(const uint8_t *buf, size_t len, int ifindex, const uint8_t *addr, +- size_t addrlen) ++ size_t addrlen, uint16_t protocol) + { + struct sockaddr_ll lladdr; + struct iovec iov = { +@@ -61,16 +62,16 @@ int os_sendmsg(const uint8_t *buf, size_ + + memset(&lladdr, 0, sizeof(lladdr)); + lladdr.sll_family = AF_PACKET; +- lladdr.sll_protocol = htons(ETH_P_NHRP); ++ lladdr.sll_protocol = htons(protocol); + lladdr.sll_ifindex = ifindex; + lladdr.sll_halen = addrlen; + memcpy(lladdr.sll_addr, addr, addrlen); + +- status = sendmsg(nhrp_socket_fd, &msg, 0); ++ status = sendmsg(os_socket(), &msg, 0); + if (status < 0) +- return -1; ++ return -errno; + +- return 0; ++ return status; + } + + int os_recvmsg(uint8_t *buf, size_t *len, int *ifindex, uint8_t *addr, +--- a/nhrpd/nhrp_interface.c ++++ b/nhrpd/nhrp_interface.c +@@ -42,6 +42,7 @@ static int nhrp_if_new_hook(struct inter + struct nhrp_afi_data *ad = &nifp->afi[afi]; + ad->holdtime = NHRPD_DEFAULT_HOLDTIME; + list_init(&ad->nhslist_head); ++ list_init(&ad->mcastlist_head); + } + + return 0; +@@ -55,6 +56,7 @@ static int nhrp_if_delete_hook(struct in + + nhrp_cache_interface_del(ifp); + nhrp_nhs_interface_del(ifp); ++ nhrp_multicast_interface_del(ifp); + nhrp_peer_interface_del(ifp); + + if (nifp->ipsec_profile) +--- /dev/null ++++ b/nhrpd/nhrp_multicast.c +@@ -0,0 +1,312 @@ ++/* NHRP Multicast Support ++ * Copyright (c) 2020-2021 4RF Limited ++ * ++ * This file is free software: you may copy, redistribute and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation, either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#ifdef HAVE_CONFIG_H ++#include "config.h" ++#endif ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "thread.h" ++#include "nhrpd.h" ++#include "netlink.h" ++#include "znl.h" ++#include "os.h" ++ ++DEFINE_MTYPE_STATIC(NHRPD, NHRP_MULTICAST, "NHRP Multicast") ++ ++static int netlink_mcast_nflog_group; ++static int netlink_mcast_log_fd = -1; ++static struct thread *netlink_mcast_log_thread; ++static int nhrp_multicast_ip_count; ++ ++struct mcast_ctx { ++ struct interface *ifp; ++ struct zbuf *pkt; ++}; ++ ++static void nhrp_multicast_send(struct nhrp_peer *p, struct zbuf *zb) ++{ ++ char buf[2][256]; ++ size_t addrlen; ++ int ret; ++ ++ addrlen = sockunion_get_addrlen(&p->vc->remote.nbma); ++ ret = os_sendmsg(zb->head, zbuf_used(zb), p->ifp->ifindex, ++ sockunion_get_addr(&p->vc->remote.nbma), ++ addrlen, addrlen == 4 ? 0x0800 : 0x86DD); ++ ++ debugf(NHRP_DEBUG_COMMON, "Multicast Packet: %s -> %s, ret = %d, size = %zu, addrlen = %zu", ++ sockunion2str(&p->vc->local.nbma, buf[0], sizeof(buf[0])), ++ sockunion2str(&p->vc->remote.nbma, buf[1], sizeof(buf[1])), ++ ret, zbuf_used(zb), addrlen); ++} ++ ++static void nhrp_multicast_forward_nbma(union sockunion *nbma_addr, struct interface *ifp, struct zbuf *pkt) ++{ ++ struct nhrp_peer *p = nhrp_peer_get(ifp, nbma_addr); ++ if(p && p->online) { ++ /* Send packet */ ++ nhrp_multicast_send(p, pkt); ++ } ++ nhrp_peer_unref(p); ++} ++ ++static void nhrp_multicast_forward_cache(struct nhrp_cache *c, void *pctx) ++{ ++ struct mcast_ctx *ctx = (struct mcast_ctx *)pctx; ++ ++ if (c->cur.type == NHRP_CACHE_DYNAMIC && c->cur.peer) ++ nhrp_multicast_forward_nbma(&c->cur.peer->vc->remote.nbma, ctx->ifp, ctx->pkt); ++} ++ ++static void nhrp_multicast_forward(struct nhrp_multicast *mcast, void *pctx) ++{ ++ struct mcast_ctx *ctx = (struct mcast_ctx *)pctx; ++ struct nhrp_interface *nifp = ctx->ifp->info; ++ ++ if (!nifp->enabled) ++ return; ++ ++ /* dynamic */ ++ if (sockunion_family(&mcast->nbma_addr) == AF_UNSPEC) { ++ nhrp_cache_foreach(ctx->ifp, nhrp_multicast_forward_cache, pctx); ++ return; ++ } ++ ++ /* Fixed IP Address */ ++ nhrp_multicast_forward_nbma(&mcast->nbma_addr, ctx->ifp, ctx->pkt); ++} ++ ++static void netlink_mcast_log_handler(struct nlmsghdr *msg, struct zbuf *zb) ++{ ++ struct nfgenmsg *nf; ++ struct rtattr *rta; ++ struct zbuf rtapl, pktpl; ++ struct interface *ifp; ++ uint32_t *out_ndx = NULL; ++ afi_t afi; ++ struct mcast_ctx ctx; ++ ++ debugf(NHRP_DEBUG_COMMON,"Inside %s\n", __func__); ++ ++ nf = znl_pull(zb, sizeof(*nf)); ++ if (!nf) ++ return; ++ ++ memset(&pktpl, 0, sizeof(pktpl)); ++ while ((rta = znl_rta_pull(zb, &rtapl)) != NULL) { ++ switch (rta->rta_type) { ++ case NFULA_IFINDEX_OUTDEV: ++ out_ndx = znl_pull(&rtapl, sizeof(*out_ndx)); ++ break; ++ case NFULA_PAYLOAD: ++ pktpl = rtapl; ++ break; ++ /* NFULA_HWHDR exists and is supposed to contain source ++ * hardware address. However, for ip_gre it seems to be ++ * the nexthop destination address if the packet matches ++ * route. */ ++ } ++ } ++ ++ if (!out_ndx || !zbuf_used(&pktpl)) ++ return; ++ ++ ifp = if_lookup_by_index(htonl(*out_ndx), VRF_DEFAULT); ++ if (!ifp) ++ return; ++ ++ debugf(NHRP_DEBUG_COMMON,"Outgoing interface = %s\n", ifp->name); ++ ++ ctx = (struct mcast_ctx) { ++ .ifp = ifp, ++ .pkt = &pktpl, ++ }; ++ ++ for (afi = 0; afi < AFI_MAX; afi++) { ++ nhrp_multicast_foreach(ifp, afi, nhrp_multicast_forward, (void *)&ctx); ++ } ++} ++ ++static int netlink_mcast_log_recv(struct thread *t) ++{ ++ uint8_t buf[65535]; /* Max OSPF Packet size */ ++ int fd = THREAD_FD(t); ++ struct zbuf payload, zb; ++ struct nlmsghdr *n; ++ ++ netlink_mcast_log_thread = NULL; ++ ++ zbuf_init(&zb, buf, sizeof(buf), 0); ++ while (zbuf_recv(&zb, fd) > 0) { ++ while ((n = znl_nlmsg_pull(&zb, &payload)) != NULL) { ++ debugf(NHRP_DEBUG_COMMON, ++ "Netlink-mcast-log: Received msg_type %u, msg_flags %u", ++ n->nlmsg_type, n->nlmsg_flags); ++ switch (n->nlmsg_type) { ++ case (NFNL_SUBSYS_ULOG << 8) | NFULNL_MSG_PACKET: ++ netlink_mcast_log_handler(n, &payload); ++ break; ++ } ++ } ++ } ++ ++ thread_add_read(master, netlink_mcast_log_recv, 0, netlink_mcast_log_fd, ++ &netlink_mcast_log_thread); ++ ++ return 0; ++} ++ ++static void netlink_mcast_log_register(int fd, int group) ++{ ++ struct nlmsghdr *n; ++ struct nfgenmsg *nf; ++ struct nfulnl_msg_config_cmd cmd; ++ struct zbuf *zb = zbuf_alloc(512); ++ ++ n = znl_nlmsg_push(zb, (NFNL_SUBSYS_ULOG << 8) | NFULNL_MSG_CONFIG, ++ NLM_F_REQUEST | NLM_F_ACK); ++ nf = znl_push(zb, sizeof(*nf)); ++ *nf = (struct nfgenmsg){ ++ .nfgen_family = AF_UNSPEC, ++ .version = NFNETLINK_V0, ++ .res_id = htons(group), ++ }; ++ cmd.command = NFULNL_CFG_CMD_BIND; ++ znl_rta_push(zb, NFULA_CFG_CMD, &cmd, sizeof(cmd)); ++ znl_nlmsg_complete(zb, n); ++ ++ zbuf_send(zb, fd); ++ zbuf_free(zb); ++} ++ ++static void netlink_mcast_set_nflog_group(struct interface *ifp, int nlgroup) ++{ ++ if (netlink_mcast_log_fd >= 0) { ++ THREAD_OFF(netlink_mcast_log_thread); ++ close(netlink_mcast_log_fd); ++ netlink_mcast_log_fd = -1; ++ debugf(NHRP_DEBUG_COMMON, "De-register nflog group"); ++ } ++ netlink_mcast_nflog_group = nlgroup; ++ if (nlgroup) { ++ netlink_mcast_log_fd = znl_open(NETLINK_NETFILTER, 0); ++ if (netlink_mcast_log_fd < 0) ++ return; ++ ++ netlink_mcast_log_register(netlink_mcast_log_fd, nlgroup); ++ thread_add_read(master, netlink_mcast_log_recv, 0, netlink_mcast_log_fd, ++ &netlink_mcast_log_thread); ++ debugf(NHRP_DEBUG_COMMON, "Register nflog group: %d", netlink_mcast_nflog_group); ++ } ++} ++ ++static int nhrp_multicast_free(struct interface *ifp, struct nhrp_multicast *mcast) ++{ ++ list_del(&mcast->list_entry); ++ XFREE(MTYPE_NHRP_MULTICAST, mcast); ++ if (--nhrp_multicast_ip_count == 0) ++ netlink_mcast_set_nflog_group(ifp, 0); ++ return 0; ++} ++ ++int nhrp_multicast_add(struct interface *ifp, afi_t afi, union sockunion *nbma_addr) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_multicast *mcast; ++ char buf[SU_ADDRSTRLEN]; ++ ++ list_for_each_entry(mcast, &nifp->afi[afi].mcastlist_head, list_entry) ++ { ++ if (sockunion_same(&mcast->nbma_addr, nbma_addr)) ++ return NHRP_ERR_ENTRY_EXISTS; ++ } ++ ++ mcast = XMALLOC(MTYPE_NHRP_MULTICAST, sizeof(struct nhrp_multicast)); ++ ++ *mcast = (struct nhrp_multicast){ ++ .afi = afi, ++ .ifp = ifp, ++ .nbma_addr = *nbma_addr, ++ }; ++ list_add_tail(&mcast->list_entry, &nifp->afi[afi].mcastlist_head); ++ ++ if (netlink_mcast_log_fd == -1) ++ netlink_mcast_set_nflog_group(ifp, MCAST_NFLOG_GROUP); ++ ++ nhrp_multicast_ip_count++; ++ ++ sockunion2str(nbma_addr, buf, sizeof(buf)); ++ debugf(NHRP_DEBUG_COMMON, "Adding multicast entry (%s) [%d]", buf, nhrp_multicast_ip_count); ++ ++ return NHRP_OK; ++} ++ ++int nhrp_multicast_del(struct interface *ifp, afi_t afi, union sockunion *nbma_addr) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_multicast *mcast, *tmp; ++ char buf[SU_ADDRSTRLEN]; ++ ++ list_for_each_entry_safe(mcast, tmp, &nifp->afi[afi].mcastlist_head, ++ list_entry) ++ { ++ if (!sockunion_same(&mcast->nbma_addr, nbma_addr)) ++ continue; ++ ++ sockunion2str(nbma_addr, buf, sizeof(buf)); ++ debugf(NHRP_DEBUG_COMMON, "Deleting multicast entry (%s) [%d]", buf, nhrp_multicast_ip_count); ++ ++ nhrp_multicast_free(ifp, mcast); ++ ++ return NHRP_OK; ++ } ++ ++ return NHRP_ERR_ENTRY_NOT_FOUND; ++} ++ ++void nhrp_multicast_interface_del(struct interface *ifp) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_multicast *mcast, *tmp; ++ afi_t afi; ++ ++ for (afi = 0; afi < AFI_MAX; afi++) { ++ debugf(NHRP_DEBUG_COMMON, "Cleaning up multicast entries (%d, %d)", !list_empty(&nifp->afi[afi].mcastlist_head), nhrp_multicast_ip_count); ++ ++ list_for_each_entry_safe( ++ mcast, tmp, &nifp->afi[afi].mcastlist_head, ++ list_entry) { ++ nhrp_multicast_free(ifp, mcast); ++ } ++ } ++} ++ ++void nhrp_multicast_foreach(struct interface *ifp, afi_t afi, ++ void (*cb)(struct nhrp_multicast *, void *), ++ void *ctx) ++{ ++ struct nhrp_interface *nifp = ifp->info; ++ struct nhrp_multicast *mcast; ++ ++ list_for_each_entry(mcast, &nifp->afi[afi].mcastlist_head, list_entry) ++ { ++ cb (mcast, ctx); ++ } ++} +--- a/nhrpd/nhrp_peer.c ++++ b/nhrpd/nhrp_peer.c +@@ -337,7 +337,8 @@ void nhrp_peer_send(struct nhrp_peer *p, + + os_sendmsg(zb->head, zbuf_used(zb), p->ifp->ifindex, + sockunion_get_addr(&p->vc->remote.nbma), +- sockunion_get_addrlen(&p->vc->remote.nbma)); ++ sockunion_get_addrlen(&p->vc->remote.nbma), ++ ETH_P_NHRP); + zbuf_reset(zb); + } + +--- a/nhrpd/nhrp_vty.c ++++ b/nhrpd/nhrp_vty.c +@@ -569,6 +569,53 @@ DEFUN(if_no_nhrp_map, if_no_nhrp_map_cmd + return CMD_SUCCESS; + } + ++DEFUN(if_nhrp_map_multicast, if_nhrp_map_multicast_cmd, ++ AFI_CMD " nhrp map multicast ", ++ AFI_STR ++ NHRP_STR ++ "Multicast NBMA Configuration\n" ++ "Use this NBMA mapping for multicasts\n" ++ "IPv4 NBMA address\n" ++ "IPv6 NBMA address\n" ++ "Dynamically learn destinations from client registrations on hub\n") ++{ ++ VTY_DECLVAR_CONTEXT(interface, ifp); ++ afi_t afi = cmd_to_afi(argv[0]); ++ union sockunion nbma_addr; ++ int ret; ++ ++ if (str2sockunion(argv[4]->arg, &nbma_addr) < 0) ++ sockunion_family(&nbma_addr) = AF_UNSPEC; ++ ++ ret = nhrp_multicast_add(ifp, afi, &nbma_addr); ++ ++ return nhrp_vty_return(vty, ret); ++} ++ ++DEFUN(if_no_nhrp_map_multicast, if_no_nhrp_map_multicast_cmd, ++ "no " AFI_CMD " nhrp map multicast ", ++ NO_STR ++ AFI_STR ++ NHRP_STR ++ "Multicast NBMA Configuration\n" ++ "Use this NBMA mapping for multicasts\n" ++ "IPv4 NBMA address\n" ++ "IPv6 NBMA address\n" ++ "Dynamically learn destinations from client registrations on hub\n") ++{ ++ VTY_DECLVAR_CONTEXT(interface, ifp); ++ afi_t afi = cmd_to_afi(argv[1]); ++ union sockunion nbma_addr; ++ int ret; ++ ++ if (str2sockunion(argv[5]->arg, &nbma_addr) < 0) ++ sockunion_family(&nbma_addr) = AF_UNSPEC; ++ ++ ret = nhrp_multicast_del(ifp, afi, &nbma_addr); ++ ++ return nhrp_vty_return(vty, ret); ++} ++ + DEFUN(if_nhrp_nhs, if_nhrp_nhs_cmd, + AFI_CMD " nhrp nhs nbma ", + AFI_STR +@@ -1040,6 +1087,7 @@ static int interface_config_write(struct + struct interface *ifp; + struct nhrp_interface *nifp; + struct nhrp_nhs *nhs; ++ struct nhrp_multicast *mcast; + const char *aficmd; + afi_t afi; + char buf[SU_ADDRSTRLEN]; +@@ -1109,6 +1157,19 @@ static int interface_config_write(struct + sizeof(buf)), + nhs->nbma_fqdn); + } ++ ++ list_for_each_entry(mcast, &ad->mcastlist_head, ++ list_entry) ++ { ++ vty_out(vty, " %s nhrp map multicast %s\n", ++ aficmd, ++ sockunion_family(&mcast->nbma_addr) ++ == AF_UNSPEC ++ ? "dynamic" ++ : sockunion2str( ++ &mcast->nbma_addr, buf, ++ sizeof(buf))); ++ } + } + + vty_endframe(vty, "!\n"); +@@ -1163,6 +1224,8 @@ void nhrp_config_init(void) + install_element(INTERFACE_NODE, &if_no_nhrp_reg_flags_cmd); + install_element(INTERFACE_NODE, &if_nhrp_map_cmd); + install_element(INTERFACE_NODE, &if_no_nhrp_map_cmd); ++ install_element(INTERFACE_NODE, &if_nhrp_map_multicast_cmd); ++ install_element(INTERFACE_NODE, &if_no_nhrp_map_multicast_cmd); + install_element(INTERFACE_NODE, &if_nhrp_nhs_cmd); + install_element(INTERFACE_NODE, &if_no_nhrp_nhs_cmd); + } +--- a/nhrpd/nhrpd.h ++++ b/nhrpd/nhrpd.h +@@ -24,6 +24,7 @@ DECLARE_MGROUP(NHRPD) + + #define NHRP_VTY_PORT 2610 + #define NHRP_DEFAULT_CONFIG "nhrpd.conf" ++#define MCAST_NFLOG_GROUP 224 + + extern struct thread_master *master; + +@@ -259,6 +260,13 @@ struct nhrp_nhs { + struct list_head reglist_head; + }; + ++struct nhrp_multicast { ++ struct interface *ifp; ++ struct list_head list_entry; ++ afi_t afi; ++ union sockunion nbma_addr; /* IP-address */ ++}; ++ + struct nhrp_registration { + struct list_head reglist_entry; + struct thread *t_register; +@@ -304,6 +312,7 @@ struct nhrp_interface { + unsigned short mtu; + unsigned int holdtime; + struct list_head nhslist_head; ++ struct list_head mcastlist_head; + } afi[AFI_MAX]; + }; + +@@ -345,6 +354,13 @@ void nhrp_nhs_foreach(struct interface * + void *ctx); + void nhrp_nhs_interface_del(struct interface *ifp); + ++int nhrp_multicast_add(struct interface *ifp, afi_t afi, union sockunion *nbma_addr); ++int nhrp_multicast_del(struct interface *ifp, afi_t afi, union sockunion *nbma_addr); ++void nhrp_multicast_interface_del(struct interface *ifp); ++void nhrp_multicast_foreach(struct interface *ifp, afi_t afi, ++ void (*cb)(struct nhrp_multicast *, void *), ++ void *ctx); ++ + void nhrp_route_update_nhrp(const struct prefix *p, struct interface *ifp); + void nhrp_route_announce(int add, enum nhrp_cache_type type, + const struct prefix *p, struct interface *ifp, +--- a/nhrpd/os.h ++++ b/nhrpd/os.h +@@ -1,7 +1,7 @@ + + int os_socket(void); + int os_sendmsg(const uint8_t *buf, size_t len, int ifindex, const uint8_t *addr, +- size_t addrlen); ++ size_t addrlen, uint16_t protocol); + int os_recvmsg(uint8_t *buf, size_t *len, int *ifindex, uint8_t *addr, + size_t *addrlen); + int os_configure_dmvpn(unsigned int ifindex, const char *ifname, int af); +--- a/nhrpd/subdir.am ++++ b/nhrpd/subdir.am +@@ -21,6 +21,7 @@ nhrpd_nhrpd_SOURCES = \ + nhrpd/nhrp_nhs.c \ + nhrpd/nhrp_packet.c \ + nhrpd/nhrp_peer.c \ ++ nhrpd/nhrp_multicast.c \ + nhrpd/nhrp_route.c \ + nhrpd/nhrp_shortcut.c \ + nhrpd/nhrp_vc.c \ +--- a/ospfd/ospf_interface.c ++++ b/ospfd/ospf_interface.c +@@ -534,6 +534,8 @@ static struct ospf_if_params *ospf_new_i + oip->network_lsa_seqnum = htonl(OSPF_INITIAL_SEQUENCE_NUMBER); + oip->is_v_wait_set = false; + ++ oip->ptp_dmvpn = 0; ++ + return oip; + } + +--- a/ospfd/ospf_interface.h ++++ b/ospfd/ospf_interface.h +@@ -105,6 +105,9 @@ struct ospf_if_params { + + /* BFD configuration */ + struct bfd_info *bfd_info; ++ ++ /* point-to-point DMVPN configuration */ ++ uint8_t ptp_dmvpn; + }; + + enum { MEMBER_ALLROUTERS = 0, +@@ -167,6 +170,9 @@ struct ospf_interface { + /* OSPF Network Type. */ + uint8_t type; + ++ /* point-to-point DMVPN configuration */ ++ uint8_t ptp_dmvpn; ++ + /* State of Interface State Machine. */ + uint8_t state; + +--- a/ospfd/ospf_lsa.c ++++ b/ospfd/ospf_lsa.c +@@ -469,6 +469,12 @@ static char link_info_set(struct stream + } + + /* Describe Point-to-Point link (Section 12.4.1.1). */ ++ ++/* Note: If the interface is configured as point-to-point dmvpn then the other ++ * end of link is dmvpn hub with point-to-multipoint ospf network type. The ++ * hub then expects this router to populate the stub network and also Link Data ++ * Field set to IP Address and not MIB-II ifIndex ++ */ + static int lsa_link_ptop_set(struct stream **s, struct ospf_interface *oi) + { + int links = 0; +@@ -482,7 +488,8 @@ static int lsa_link_ptop_set(struct stre + if ((nbr = ospf_nbr_lookup_ptop(oi))) + if (nbr->state == NSM_Full) { + if (CHECK_FLAG(oi->connected->flags, +- ZEBRA_IFA_UNNUMBERED)) { ++ ZEBRA_IFA_UNNUMBERED) ++ && !oi->ptp_dmvpn) { + /* For unnumbered point-to-point networks, the + Link Data field + should specify the interface's MIB-II ifIndex +@@ -500,7 +507,8 @@ static int lsa_link_ptop_set(struct stre + } + + /* no need for a stub link for unnumbered interfaces */ +- if (!CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED)) { ++ if (oi->ptp_dmvpn ++ || !CHECK_FLAG(oi->connected->flags, ZEBRA_IFA_UNNUMBERED)) { + /* Regardless of the state of the neighboring router, we must + add a Type 3 link (stub network). + N.B. Options 1 & 2 share basically the same logic. */ +--- a/ospfd/ospf_vty.c ++++ b/ospfd/ospf_vty.c +@@ -7560,20 +7560,21 @@ DEFUN_HIDDEN (no_ospf_hello_interval, + return no_ip_ospf_hello_interval(self, vty, argc, argv); + } + +-DEFUN (ip_ospf_network, +- ip_ospf_network_cmd, +- "ip ospf network ", +- "IP Information\n" +- "OSPF interface commands\n" +- "Network type\n" +- "Specify OSPF broadcast multi-access network\n" +- "Specify OSPF NBMA network\n" +- "Specify OSPF point-to-multipoint network\n" +- "Specify OSPF point-to-point network\n") ++DEFUN(ip_ospf_network, ip_ospf_network_cmd, ++ "ip ospf network ", ++ "IP Information\n" ++ "OSPF interface commands\n" ++ "Network type\n" ++ "Specify OSPF broadcast multi-access network\n" ++ "Specify OSPF NBMA network\n" ++ "Specify OSPF point-to-multipoint network\n" ++ "Specify OSPF point-to-point network\n" ++ "Specify OSPF point-to-point DMVPN network\n") + { + VTY_DECLVAR_CONTEXT(interface, ifp); + int idx = 0; + int old_type = IF_DEF_PARAMS(ifp)->type; ++ uint8_t old_ptp_dmvpn = IF_DEF_PARAMS(ifp)->ptp_dmvpn; + struct route_node *rn; + + if (old_type == OSPF_IFTYPE_LOOPBACK) { +@@ -7582,16 +7583,22 @@ DEFUN (ip_ospf_network, + return CMD_WARNING_CONFIG_FAILED; + } + ++ IF_DEF_PARAMS(ifp)->ptp_dmvpn = 0; ++ + if (argv_find(argv, argc, "broadcast", &idx)) + IF_DEF_PARAMS(ifp)->type = OSPF_IFTYPE_BROADCAST; + else if (argv_find(argv, argc, "non-broadcast", &idx)) + IF_DEF_PARAMS(ifp)->type = OSPF_IFTYPE_NBMA; + else if (argv_find(argv, argc, "point-to-multipoint", &idx)) + IF_DEF_PARAMS(ifp)->type = OSPF_IFTYPE_POINTOMULTIPOINT; +- else if (argv_find(argv, argc, "point-to-point", &idx)) ++ else if (argv_find(argv, argc, "point-to-point", &idx)) { + IF_DEF_PARAMS(ifp)->type = OSPF_IFTYPE_POINTOPOINT; ++ if (argv_find(argv, argc, "dmvpn", &idx)) ++ IF_DEF_PARAMS(ifp)->ptp_dmvpn = 1; ++ } + +- if (IF_DEF_PARAMS(ifp)->type == old_type) ++ if (IF_DEF_PARAMS(ifp)->type == old_type ++ && IF_DEF_PARAMS(ifp)->ptp_dmvpn == old_ptp_dmvpn) + return CMD_SUCCESS; + + SET_IF_PARAM(IF_DEF_PARAMS(ifp), type); +@@ -7603,6 +7610,7 @@ DEFUN (ip_ospf_network, + continue; + + oi->type = IF_DEF_PARAMS(ifp)->type; ++ oi->ptp_dmvpn = IF_DEF_PARAMS(ifp)->ptp_dmvpn; + + if (oi->state > ISM_Down) { + OSPF_ISM_EVENT_EXECUTE(oi, ISM_InterfaceDown); +@@ -7643,6 +7651,7 @@ DEFUN (no_ip_ospf_network, + struct route_node *rn; + + IF_DEF_PARAMS(ifp)->type = ospf_default_iftype(ifp); ++ IF_DEF_PARAMS(ifp)->ptp_dmvpn = 0; + + if (IF_DEF_PARAMS(ifp)->type == old_type) + return CMD_SUCCESS; +@@ -9888,6 +9897,10 @@ static int config_write_interface_one(st + vty_out(vty, " ip ospf network %s", + ospf_int_type_str + [params->type]); ++ if (params->type ++ == OSPF_IFTYPE_POINTOPOINT ++ && params->ptp_dmvpn) ++ vty_out(vty, " dmvpn"); + if (params != IF_DEF_PARAMS(ifp) && rn) + vty_out(vty, " %s", + inet_ntoa( +--- a/ospfd/ospfd.c ++++ b/ospfd/ospfd.c +@@ -1017,6 +1017,7 @@ static void add_ospf_interface(struct co + /* If network type is specified previously, + skip network type setting. */ + oi->type = IF_DEF_PARAMS(co->ifp)->type; ++ oi->ptp_dmvpn = IF_DEF_PARAMS(co->ifp)->ptp_dmvpn; + + /* Add pseudo neighbor. */ + ospf_nbr_self_reset(oi, oi->ospf->router_id); +--- a/doc/user/nhrpd.rst ++++ b/doc/user/nhrpd.rst +@@ -189,6 +189,34 @@ and + https://git.alpinelinux.org/user/tteras/strongswan/log/?h=tteras + git repositories for the patches. + ++.. _multicast-functionality: ++ ++Multicast Functionality ++======================= ++ ++nhrpd can be configured to forward multicast packets, allowing routing ++protocols that use multicast (such as OSPF) to be supported in the DMVPN ++network. ++ ++This support requires an NFLOG redirection rule to work: ++ ++ .. code-block:: shell ++ ++ iptables -I OUTPUT -d 224.0.0.0/24 -o gre1 -j NFLOG --nflog-group 2 ++ ++.. index:: nhrp multicast-nflog-group (1-65535) ++.. clicmd:: nhrp multicast-nflog-group (1-65535) ++ ++ Sets the nflog group that nhrpd will listen on for multicast packets. This ++ value must match the nflog-group value set in the iptables rule. ++ ++.. index:: ip nhrp map multicast A.B.C.D|X:X::X:X A.B.C.D|dynamic ++.. clicmd:: ip nhrp map multicast A.B.C.D|X:X::X:X A.B.C.D|dynamic ++ ++ Sends multicast packets to the specified NBMA address. If dynamic is ++ specified then destination NBMA address (or addresses) are learnt ++ dynamically. ++ + .. _nhrp-events: + + NHRP Events +--- a/doc/user/ospfd.rst ++++ b/doc/user/ospfd.rst +@@ -687,8 +687,8 @@ Interfaces + :clicmd:`ip ospf dead-interval minimal hello-multiplier (2-20)` is also + specified for the interface. + +-.. index:: ip ospf network (broadcast|non-broadcast|point-to-multipoint|point-to-point) +-.. clicmd:: ip ospf network (broadcast|non-broadcast|point-to-multipoint|point-to-point) ++.. index:: ip ospf network (broadcast|non-broadcast|point-to-multipoint|point-to-point [dmvpn]) ++.. clicmd:: ip ospf network (broadcast|non-broadcast|point-to-multipoint|point-to-point [dmvpn]) + + When configuring a point-to-point network on an interface and the interface + has a /32 address associated with then OSPF will treat the interface +@@ -870,6 +870,9 @@ Redistribution + .. index:: no router zebra + .. clicmd:: no router zebra + ++ When used in a DMVPN network at a spoke, this OSPF will be configured in ++ point-to-point, but the HUB will be a point-to-multipoint. To make this ++ topology work, specify the optional 'dmvpn' parameter at the spoke. + + .. _showing-ospf-information: + diff --git a/net/frr/patches/053-more_SA_fixes.patch b/net/frr/patches/053-more_SA_fixes.patch new file mode 100644 index 0000000000..5d4aab1e08 --- /dev/null +++ b/net/frr/patches/053-more_SA_fixes.patch @@ -0,0 +1,96 @@ +From bd9caa8f11d931db21f628ad61be042147861ad4 Mon Sep 17 00:00:00 2001 +From: Mark Stapp +Date: Fri, 26 Feb 2021 11:16:09 -0500 +Subject: [PATCH 1/3] lib: fix some misc SA warnings + +- clippy.c: fix valid memleak +- defun_lex.l: suppress warnings in generated code +- northbound_cli.c: suppress warning in eldritch libyang macro + +Signed-off-by: Quentin Young +--- + lib/clippy.c | 4 +++- + lib/defun_lex.l | 4 ++++ + lib/northbound_cli.c | 12 ++++++++++++ + 3 files changed, 19 insertions(+), 1 deletion(-) + +--- a/lib/clippy.c ++++ b/lib/clippy.c +@@ -51,7 +51,8 @@ int main(int argc, char **argv) + #if PY_VERSION_HEX >= 0x03040000 /* 3.4 */ + Py_SetStandardStreamEncoding("UTF-8", NULL); + #endif +- Py_SetProgramName(wconv(argv[0])); ++ wchar_t *name = wconv(argv[0]); ++ Py_SetProgramName(name); + PyImport_AppendInittab("_clippy", command_py_init); + + Py_Initialize(); +@@ -67,6 +68,8 @@ int main(int argc, char **argv) + fp = fopen(pyfile, "r"); + if (!fp) { + fprintf(stderr, "%s: %s\n", pyfile, strerror(errno)); ++ ++ free(name); + return 1; + } + } else { +@@ -85,6 +88,8 @@ int main(int argc, char **argv) + if (PyRun_AnyFile(fp, pyfile)) { + if (PyErr_Occurred()) + PyErr_Print(); ++ ++ free(name); + return 1; + } + Py_Finalize(); +@@ -93,6 +98,7 @@ int main(int argc, char **argv) + for (int i = 1; i < argc; i++) + free(wargv[i - 1]); + #endif ++ free(name); + free(wargv); + return 0; + } +--- a/lib/defun_lex.l ++++ b/lib/defun_lex.l +@@ -80,6 +80,8 @@ static void extendbuf(char **what, const + } + #define extend(x) extendbuf(&value, x) + ++#ifndef __clang_analyzer__ ++ + %} + + ID [A-Za-z0-9_]+ +@@ -157,6 +159,8 @@ SPECIAL [(),] + + %% + ++#endif /* __clang_analyzer__ */ ++ + static int yylex_clr(char **retbuf) + { + int rv = def_yylex(); +--- a/lib/northbound_cli.c ++++ b/lib/northbound_cli.c +@@ -595,7 +595,19 @@ void nb_cli_show_dnode_cmds(struct vty * + (*nb_node->cbs.cli_show_end)(vty, parent); + } + ++ /* ++ * There is a possible path in this macro that ends up ++ * dereferencing child->parent->parent. We just null checked ++ * child->parent by checking (ly_iter_next_up(child) != NULL) ++ * above. ++ * ++ * I am not sure whether it is possible for the other ++ * conditions within this macro guarding the problem ++ * dereference to be satisfied when child->parent == NULL. ++ */ ++#ifndef __clang_analyzer__ + LY_TREE_DFS_END(root, next, child); ++#endif + } + } + diff --git a/net/frr/patches/098-fix_mips_libyang.patch b/net/frr/patches/098-fix_mips_libyang.patch index adf0785b5e..e956581d2c 100644 --- a/net/frr/patches/098-fix_mips_libyang.patch +++ b/net/frr/patches/098-fix_mips_libyang.patch @@ -1,6 +1,6 @@ --- a/lib/northbound.h +++ b/lib/northbound.h -@@ -562,11 +562,7 @@ struct frr_yang_module_info { +@@ -569,11 +569,7 @@ struct frr_yang_module_info { /* Priority - lower priorities are processed first. */ uint32_t priority; -- 2.30.2