diff options
Diffstat (limited to 'bgpd/rfapi/rfapi.c')
| -rw-r--r-- | bgpd/rfapi/rfapi.c | 6731 |
1 files changed, 3219 insertions, 3512 deletions
diff --git a/bgpd/rfapi/rfapi.c b/bgpd/rfapi/rfapi.c index a959b9827..3a2a608a7 100644 --- a/bgpd/rfapi/rfapi.c +++ b/bgpd/rfapi/rfapi.c @@ -1,4 +1,4 @@ -/* +/* * * Copyright 2009-2016, LabN Consulting, L.L.C. * @@ -65,38 +65,36 @@ #include <execinfo.h> #endif /* HAVE_GLIBC_BACKTRACE */ -struct ethaddr rfapi_ethaddr0 = { {0} }; +struct ethaddr rfapi_ethaddr0 = {{0}}; #define DEBUG_RFAPI_STR "RF API debugging/testing command\n" -const char * -rfapi_error_str (int code) +const char *rfapi_error_str(int code) { - switch (code) - { - case 0: - return "Success"; - case ENXIO: - return "BGP or VNC not configured"; - case ENOENT: - return "No match"; - case EEXIST: - return "Handle already open"; - case ENOMSG: - return "Incomplete configuration"; - case EAFNOSUPPORT: - return "Invalid address family"; - case EDEADLK: - return "Called from within a callback procedure"; - case EBADF: - return "Invalid handle"; - case EINVAL: - return "Invalid argument"; - case ESTALE: - return "Stale descriptor"; - default: - return "Unknown error"; - } + switch (code) { + case 0: + return "Success"; + case ENXIO: + return "BGP or VNC not configured"; + case ENOENT: + return "No match"; + case EEXIST: + return "Handle already open"; + case ENOMSG: + return "Incomplete configuration"; + case EAFNOSUPPORT: + return "Invalid address family"; + case EDEADLK: + return "Called from within a callback procedure"; + case EBADF: + return "Invalid handle"; + case EINVAL: + return "Invalid argument"; + case ESTALE: + return "Stale descriptor"; + default: + return "Unknown error"; + } } /*------------------------------------------ @@ -106,20 +104,19 @@ rfapi_error_str (int code) * rfp_start_val value returned by rfp_start or * NULL (=use default instance) * - * input: + * input: * None * * output: * * return value: The bgp instance default lifetime for a response. --------------------------------------------*/ -int -rfapi_get_response_lifetime_default (void *rfp_start_val) +int rfapi_get_response_lifetime_default(void *rfp_start_val) { - struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (bgp) - return bgp->rfapi_cfg->default_response_lifetime; - return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; + struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (bgp) + return bgp->rfapi_cfg->default_response_lifetime; + return BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT; } /*------------------------------------------ @@ -127,7 +124,7 @@ rfapi_get_response_lifetime_default (void *rfp_start_val) * * Returns if VNC (BGP VPN messaging /VPN & encap SAFIs) are configured * - * input: + * input: * rfp_start_val value returned by rfp_start or * NULL (=use default instance) * @@ -137,11 +134,10 @@ rfapi_get_response_lifetime_default (void *rfp_start_val) * 0 Success * ENXIO VNC not configured --------------------------------------------*/ -int -rfapi_is_vnc_configured (void *rfp_start_val) +int rfapi_is_vnc_configured(void *rfp_start_val) { - struct bgp *bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - return bgp_rfapi_is_vnc_configured (bgp); + struct bgp *bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + return bgp_rfapi_is_vnc_configured(bgp); } @@ -150,19 +146,18 @@ rfapi_is_vnc_configured (void *rfp_start_val) * * Get the virtual network address used by an NVE based on it's RFD * - * input: + * input: * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic * * output: * - * return value: + * return value: * vn NVE virtual network address *------------------------------------------*/ -struct rfapi_ip_addr * -rfapi_get_vn_addr (void *rfd) +struct rfapi_ip_addr *rfapi_get_vn_addr(void *rfd) { - struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; - return &rrfd->vn_addr; + struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; + return &rrfd->vn_addr; } /*------------------------------------------ @@ -170,505 +165,459 @@ rfapi_get_vn_addr (void *rfd) * * Get the underlay network address used by an NVE based on it's RFD * - * input: + * input: * rfd: rfapi descriptor returned by rfapi_open or rfapi_create_generic * * output: * - * return value: + * return value: * un NVE underlay network address *------------------------------------------*/ -struct rfapi_ip_addr * -rfapi_get_un_addr (void *rfd) +struct rfapi_ip_addr *rfapi_get_un_addr(void *rfd) { - struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *) rfd; - return &rrfd->un_addr; + struct rfapi_descriptor *rrfd = (struct rfapi_descriptor *)rfd; + return &rrfd->un_addr; } -int -rfapi_ip_addr_cmp (struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) +int rfapi_ip_addr_cmp(struct rfapi_ip_addr *a1, struct rfapi_ip_addr *a2) { - if (a1->addr_family != a2->addr_family) - return a1->addr_family - a2->addr_family; + if (a1->addr_family != a2->addr_family) + return a1->addr_family - a2->addr_family; - if (a1->addr_family == AF_INET) - { - return IPV4_ADDR_CMP (&a1->addr.v4, &a2->addr.v4); - } + if (a1->addr_family == AF_INET) { + return IPV4_ADDR_CMP(&a1->addr.v4, &a2->addr.v4); + } - if (a1->addr_family == AF_INET6) - { - return IPV6_ADDR_CMP (&a1->addr.v6, &a2->addr.v6); - } + if (a1->addr_family == AF_INET6) { + return IPV6_ADDR_CMP(&a1->addr.v6, &a2->addr.v6); + } - assert (1); - /* NOTREACHED */ - return 1; + assert(1); + /* NOTREACHED */ + return 1; } -static int -rfapi_find_node ( - struct bgp *bgp, - struct rfapi_ip_addr *vn_addr, - struct rfapi_ip_addr *un_addr, - struct route_node **node) +static int rfapi_find_node(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, + struct rfapi_ip_addr *un_addr, + struct route_node **node) { - struct rfapi *h; - struct prefix p; - struct route_node *rn; - int rc; - int afi; + struct rfapi *h; + struct prefix p; + struct route_node *rn; + int rc; + int afi; - if (!bgp) - { - return ENXIO; - } + if (!bgp) { + return ENXIO; + } - h = bgp->rfapi; - if (!h) - { - return ENXIO; - } + h = bgp->rfapi; + if (!h) { + return ENXIO; + } - afi = family2afi (un_addr->addr_family); - if (!afi) - { - return EAFNOSUPPORT; - } + afi = family2afi(un_addr->addr_family); + if (!afi) { + return EAFNOSUPPORT; + } - if ((rc = rfapiRaddr2Qprefix (un_addr, &p))) - return rc; + if ((rc = rfapiRaddr2Qprefix(un_addr, &p))) + return rc; - rn = route_node_lookup (&h->un[afi], &p); + rn = route_node_lookup(&h->un[afi], &p); - if (!rn) - return ENOENT; + if (!rn) + return ENOENT; - route_unlock_node (rn); + route_unlock_node(rn); - *node = rn; + *node = rn; - return 0; + return 0; } -int -rfapi_find_rfd ( - struct bgp *bgp, - struct rfapi_ip_addr *vn_addr, - struct rfapi_ip_addr *un_addr, - struct rfapi_descriptor **rfd) +int rfapi_find_rfd(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, + struct rfapi_ip_addr *un_addr, struct rfapi_descriptor **rfd) { - struct route_node *rn; - int rc; + struct route_node *rn; + int rc; - rc = rfapi_find_node (bgp, vn_addr, un_addr, &rn); + rc = rfapi_find_node(bgp, vn_addr, un_addr, &rn); - if (rc) - return rc; + if (rc) + return rc; - for (*rfd = (struct rfapi_descriptor *) (rn->info); *rfd; - *rfd = (*rfd)->next) - { - if (!rfapi_ip_addr_cmp (&(*rfd)->vn_addr, vn_addr)) - break; - } + for (*rfd = (struct rfapi_descriptor *)(rn->info); *rfd; + *rfd = (*rfd)->next) { + if (!rfapi_ip_addr_cmp(&(*rfd)->vn_addr, vn_addr)) + break; + } - if (!*rfd) - return ENOENT; + if (!*rfd) + return ENOENT; - return 0; + return 0; } /*------------------------------------------ * rfapi_find_handle * - * input: + * input: * un underlay network address * vn virtual network address * * output: * pHandle pointer to location to store handle * - * return value: + * return value: * 0 Success * ENOENT no matching handle * ENXIO BGP or VNC not configured *------------------------------------------*/ -static int -rfapi_find_handle ( - struct bgp *bgp, - struct rfapi_ip_addr *vn_addr, - struct rfapi_ip_addr *un_addr, - rfapi_handle *handle) +static int rfapi_find_handle(struct bgp *bgp, struct rfapi_ip_addr *vn_addr, + struct rfapi_ip_addr *un_addr, + rfapi_handle *handle) { - struct rfapi_descriptor **rfd; + struct rfapi_descriptor **rfd; - rfd = (struct rfapi_descriptor **) handle; + rfd = (struct rfapi_descriptor **)handle; - return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); + return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); } -static int -rfapi_find_handle_vty ( - struct vty *vty, - struct rfapi_ip_addr *vn_addr, - struct rfapi_ip_addr *un_addr, - rfapi_handle *handle) +static int rfapi_find_handle_vty(struct vty *vty, struct rfapi_ip_addr *vn_addr, + struct rfapi_ip_addr *un_addr, + rfapi_handle *handle) { - struct bgp *bgp; - struct rfapi_descriptor **rfd; + struct bgp *bgp; + struct rfapi_descriptor **rfd; - bgp = bgp_get_default (); /* assume 1 instance for now */ + bgp = bgp_get_default(); /* assume 1 instance for now */ - rfd = (struct rfapi_descriptor **) handle; + rfd = (struct rfapi_descriptor **)handle; - return rfapi_find_rfd (bgp, vn_addr, un_addr, rfd); + return rfapi_find_rfd(bgp, vn_addr, un_addr, rfd); } -static int -is_valid_rfd (struct rfapi_descriptor *rfd) +static int is_valid_rfd(struct rfapi_descriptor *rfd) { - rfapi_handle hh; + rfapi_handle hh; - if (!rfd || rfd->bgp == NULL) - return 0; + if (!rfd || rfd->bgp == NULL) + return 0; - if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ - return 1; + if (CHECK_FLAG( + rfd->flags, + RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ + return 1; - if (rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) - return 0; + if (rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh)) + return 0; - if (rfd != hh) - return 0; + if (rfd != hh) + return 0; - return 1; + return 1; } /* * check status of descriptor */ -int -rfapi_check (void *handle) +int rfapi_check(void *handle) { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - rfapi_handle hh; - int rc; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + rfapi_handle hh; + int rc; - if (!rfd || rfd->bgp == NULL) - return EINVAL; + if (!rfd || rfd->bgp == NULL) + return EINVAL; - if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ - return 0; + if (CHECK_FLAG( + rfd->flags, + RFAPI_HD_FLAG_IS_VRF)) /* assume VRF/internal are valid */ + return 0; - if ((rc = rfapi_find_handle (rfd->bgp, &rfd->vn_addr, &rfd->un_addr, &hh))) - return rc; + if ((rc = rfapi_find_handle(rfd->bgp, &rfd->vn_addr, &rfd->un_addr, + &hh))) + return rc; - if (rfd != hh) - return ENOENT; + if (rfd != hh) + return ENOENT; - if (!rfd->rfg) - return ESTALE; + if (!rfd->rfg) + return ESTALE; - return 0; + return 0; } - -void -del_vnc_route ( - struct rfapi_descriptor *rfd, - struct peer *peer, /* rfd->peer for RFP regs */ - struct bgp *bgp, - safi_t safi, - struct prefix *p, - struct prefix_rd *prd, - uint8_t type, - uint8_t sub_type, - struct rfapi_nexthop *lnh, - int kill) +void del_vnc_route(struct rfapi_descriptor *rfd, + struct peer *peer, /* rfd->peer for RFP regs */ + struct bgp *bgp, safi_t safi, struct prefix *p, + struct prefix_rd *prd, uint8_t type, uint8_t sub_type, + struct rfapi_nexthop *lnh, int kill) { - afi_t afi; /* of the VN address */ - struct bgp_node *bn; - struct bgp_info *bi; - char buf[BUFSIZ]; - char buf2[BUFSIZ]; - struct prefix_rd prd0; - - prefix2str (p, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ - - prefix_rd2str (prd, buf2, BUFSIZ); - buf2[BUFSIZ - 1] = 0; - - afi = family2afi (p->family); - assert (afi == AFI_IP || afi == AFI_IP6); - - if (safi == SAFI_ENCAP) - { - memset (&prd0, 0, sizeof (prd0)); - prd0.family = AF_UNSPEC; - prd0.prefixlen = 64; - prd = &prd0; - } - bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); - - vnc_zlog_debug_verbose - ("%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", - __func__, peer, buf, buf2, afi, safi, bn, (bn ? bn->info : NULL)); - - for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) - { - - vnc_zlog_debug_verbose - ("%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p, local_pref=%u", - __func__, bi, bi->peer, bi->type, bi->sub_type, - (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL), - ((bi->attr && CHECK_FLAG(bi->attr->flag, ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF)))? bi->attr->local_pref: 0)); - - if (bi->peer == peer && - bi->type == type && - bi->sub_type == sub_type && - bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) - { - - vnc_zlog_debug_verbose ("%s: matched it", __func__); - - break; - } - } - - if (lnh) - { - /* - * lnh set means to JUST delete the local nexthop from this - * route. Leave the route itself in place. - * TBD add return code reporting of success/failure - */ - if (!bi || !bi->extra || !bi->extra->vnc.export.local_nexthops) - { - /* - * no local nexthops - */ - vnc_zlog_debug_verbose ("%s: lnh list already empty at prefix %s", - __func__, buf); - goto done; - } - - /* - * look for it - */ - struct listnode *node; - struct rfapi_nexthop *pLnh = NULL; - - for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, - node, pLnh)) - { - - if (prefix_same (&pLnh->addr, &lnh->addr)) - { - break; - } - } - - if (pLnh) - { - listnode_delete (bi->extra->vnc.export.local_nexthops, pLnh); - - /* silly rabbit, listnode_delete doesn't invoke list->del on data */ - rfapi_nexthop_free (pLnh); - } - else - { - vnc_zlog_debug_verbose ("%s: desired lnh not found %s", __func__, buf); - } - goto done; - } - - /* - * loop back to import tables - * Do this before removing from BGP RIB because rfapiProcessWithdraw - * might refer to it - */ - rfapiProcessWithdraw (peer, rfd, p, prd, NULL, afi, safi, type, kill); - - if (bi) - { - char buf[BUFSIZ]; - - prefix2str (p, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ - - vnc_zlog_debug_verbose ("%s: Found route (safi=%d) to delete at prefix %s", - __func__, safi, buf); - - if (safi == SAFI_MPLS_VPN) - { - struct bgp_node *prn = NULL; - struct bgp_table *table = NULL; - - prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); - if (prn->info) - { - table = (struct bgp_table *) (prn->info); - - vnc_import_bgp_del_vnc_host_route_mode_resolve_nve (bgp, - prd, - table, - p, bi); - } - bgp_unlock_node (prn); - } - - /* - * Delete local_nexthops list - */ - if (bi->extra && bi->extra->vnc.export.local_nexthops) - { - list_delete (bi->extra->vnc.export.local_nexthops); - } - - bgp_aggregate_decrement (bgp, p, bi, afi, safi); - bgp_info_delete (bn, bi); - bgp_process (bgp, bn, afi, safi); - } - else - { - vnc_zlog_debug_verbose ("%s: Couldn't find route (safi=%d) at prefix %s", - __func__, safi, buf); - } + afi_t afi; /* of the VN address */ + struct bgp_node *bn; + struct bgp_info *bi; + char buf[BUFSIZ]; + char buf2[BUFSIZ]; + struct prefix_rd prd0; + + prefix2str(p, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ + + prefix_rd2str(prd, buf2, BUFSIZ); + buf2[BUFSIZ - 1] = 0; + + afi = family2afi(p->family); + assert(afi == AFI_IP || afi == AFI_IP6); + + if (safi == SAFI_ENCAP) { + memset(&prd0, 0, sizeof(prd0)); + prd0.family = AF_UNSPEC; + prd0.prefixlen = 64; + prd = &prd0; + } + bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); + + vnc_zlog_debug_verbose( + "%s: peer=%p, prefix=%s, prd=%s afi=%d, safi=%d bn=%p, bn->info=%p", + __func__, peer, buf, buf2, afi, safi, bn, + (bn ? bn->info : NULL)); + + for (bi = (bn ? bn->info : NULL); bi; bi = bi->next) { + + vnc_zlog_debug_verbose( + "%s: trying bi=%p, bi->peer=%p, bi->type=%d, bi->sub_type=%d, bi->extra->vnc.export.rfapi_handle=%p, local_pref=%u", + __func__, bi, bi->peer, bi->type, bi->sub_type, + (bi->extra ? bi->extra->vnc.export.rfapi_handle : NULL), + ((bi->attr + && CHECK_FLAG(bi->attr->flag, + ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF))) + ? bi->attr->local_pref + : 0)); + + if (bi->peer == peer && bi->type == type + && bi->sub_type == sub_type && bi->extra + && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { + + vnc_zlog_debug_verbose("%s: matched it", __func__); + + break; + } + } + + if (lnh) { + /* + * lnh set means to JUST delete the local nexthop from this + * route. Leave the route itself in place. + * TBD add return code reporting of success/failure + */ + if (!bi || !bi->extra + || !bi->extra->vnc.export.local_nexthops) { + /* + * no local nexthops + */ + vnc_zlog_debug_verbose( + "%s: lnh list already empty at prefix %s", + __func__, buf); + goto done; + } + + /* + * look for it + */ + struct listnode *node; + struct rfapi_nexthop *pLnh = NULL; + + for (ALL_LIST_ELEMENTS_RO(bi->extra->vnc.export.local_nexthops, + node, pLnh)) { + + if (prefix_same(&pLnh->addr, &lnh->addr)) { + break; + } + } + + if (pLnh) { + listnode_delete(bi->extra->vnc.export.local_nexthops, + pLnh); + + /* silly rabbit, listnode_delete doesn't invoke + * list->del on data */ + rfapi_nexthop_free(pLnh); + } else { + vnc_zlog_debug_verbose("%s: desired lnh not found %s", + __func__, buf); + } + goto done; + } + + /* + * loop back to import tables + * Do this before removing from BGP RIB because rfapiProcessWithdraw + * might refer to it + */ + rfapiProcessWithdraw(peer, rfd, p, prd, NULL, afi, safi, type, kill); + + if (bi) { + char buf[BUFSIZ]; + + prefix2str(p, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ + + vnc_zlog_debug_verbose( + "%s: Found route (safi=%d) to delete at prefix %s", + __func__, safi, buf); + + if (safi == SAFI_MPLS_VPN) { + struct bgp_node *prn = NULL; + struct bgp_table *table = NULL; + + prn = bgp_node_get(bgp->rib[afi][safi], + (struct prefix *)prd); + if (prn->info) { + table = (struct bgp_table *)(prn->info); + + vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( + bgp, prd, table, p, bi); + } + bgp_unlock_node(prn); + } + + /* + * Delete local_nexthops list + */ + if (bi->extra && bi->extra->vnc.export.local_nexthops) { + list_delete(bi->extra->vnc.export.local_nexthops); + } + + bgp_aggregate_decrement(bgp, p, bi, afi, safi); + bgp_info_delete(bn, bi); + bgp_process(bgp, bn, afi, safi); + } else { + vnc_zlog_debug_verbose( + "%s: Couldn't find route (safi=%d) at prefix %s", + __func__, safi, buf); + } done: - bgp_unlock_node (bn); + bgp_unlock_node(bn); } -struct rfapi_nexthop * -rfapi_nexthop_new (struct rfapi_nexthop *copyme) +struct rfapi_nexthop *rfapi_nexthop_new(struct rfapi_nexthop *copyme) { - struct rfapi_nexthop *new = - XCALLOC (MTYPE_RFAPI_NEXTHOP, sizeof (struct rfapi_nexthop)); - if (copyme) - *new = *copyme; - return new; + struct rfapi_nexthop *new = + XCALLOC(MTYPE_RFAPI_NEXTHOP, sizeof(struct rfapi_nexthop)); + if (copyme) + *new = *copyme; + return new; } -void -rfapi_nexthop_free (void *p) +void rfapi_nexthop_free(void *p) { - struct rfapi_nexthop *goner = p; - XFREE (MTYPE_RFAPI_NEXTHOP, goner); + struct rfapi_nexthop *goner = p; + XFREE(MTYPE_RFAPI_NEXTHOP, goner); } -struct rfapi_vn_option * -rfapi_vn_options_dup (struct rfapi_vn_option *existing) +struct rfapi_vn_option *rfapi_vn_options_dup(struct rfapi_vn_option *existing) { - struct rfapi_vn_option *p; - struct rfapi_vn_option *head = NULL; - struct rfapi_vn_option *tail = NULL; - - for (p = existing; p; p = p->next) - { - struct rfapi_vn_option *new; - - new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); - *new = *p; - new->next = NULL; - if (tail) - (tail)->next = new; - tail = new; - if (!head) - { - head = new; - } - } - return head; + struct rfapi_vn_option *p; + struct rfapi_vn_option *head = NULL; + struct rfapi_vn_option *tail = NULL; + + for (p = existing; p; p = p->next) { + struct rfapi_vn_option *new; + + new = XCALLOC(MTYPE_RFAPI_VN_OPTION, + sizeof(struct rfapi_vn_option)); + *new = *p; + new->next = NULL; + if (tail) + (tail)->next = new; + tail = new; + if (!head) { + head = new; + } + } + return head; } -void -rfapi_un_options_free (struct rfapi_un_option *p) +void rfapi_un_options_free(struct rfapi_un_option *p) { - struct rfapi_un_option *next; + struct rfapi_un_option *next; - while (p) - { - next = p->next; - XFREE (MTYPE_RFAPI_UN_OPTION, p); - p = next; - } + while (p) { + next = p->next; + XFREE(MTYPE_RFAPI_UN_OPTION, p); + p = next; + } } -void -rfapi_vn_options_free (struct rfapi_vn_option *p) +void rfapi_vn_options_free(struct rfapi_vn_option *p) { - struct rfapi_vn_option *next; + struct rfapi_vn_option *next; - while (p) - { - next = p->next; - XFREE (MTYPE_RFAPI_VN_OPTION, p); - p = next; - } + while (p) { + next = p->next; + XFREE(MTYPE_RFAPI_VN_OPTION, p); + p = next; + } } /* Based on bgp_redistribute_add() */ -void -add_vnc_route ( - struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ - struct bgp *bgp, - int safi, - struct prefix *p, - struct prefix_rd *prd, - struct rfapi_ip_addr *nexthop, - uint32_t *local_pref, - uint32_t *lifetime, /* NULL => dont send lifetime */ - struct bgp_tea_options *rfp_options, - struct rfapi_un_option *options_un, - struct rfapi_vn_option *options_vn, - struct ecommunity *rt_export_list,/* Copied, not consumed */ - uint32_t *med, /* NULL => don't set med */ - uint32_t *label, /* low order 3 bytes */ - uint8_t type, - uint8_t sub_type, /* RFP, NORMAL or REDIST */ - int flags) +void add_vnc_route(struct rfapi_descriptor *rfd, /* cookie, VPN UN addr, peer */ + struct bgp *bgp, int safi, struct prefix *p, + struct prefix_rd *prd, struct rfapi_ip_addr *nexthop, + uint32_t *local_pref, + uint32_t *lifetime, /* NULL => dont send lifetime */ + struct bgp_tea_options *rfp_options, + struct rfapi_un_option *options_un, + struct rfapi_vn_option *options_vn, + struct ecommunity *rt_export_list, /* Copied, not consumed */ + uint32_t *med, /* NULL => don't set med */ + uint32_t *label, /* low order 3 bytes */ + uint8_t type, uint8_t sub_type, /* RFP, NORMAL or REDIST */ + int flags) { - afi_t afi; /* of the VN address */ - struct bgp_info *new; - struct bgp_info *bi; - struct bgp_node *bn; - - struct attr attr = { 0 }; - struct attr *new_attr; - uint32_t label_val; - - struct bgp_attr_encap_subtlv *encaptlv; - char buf[BUFSIZ]; - char buf2[BUFSIZ]; -#if 0 /* unused? */ + afi_t afi; /* of the VN address */ + struct bgp_info *new; + struct bgp_info *bi; + struct bgp_node *bn; + + struct attr attr = {0}; + struct attr *new_attr; + uint32_t label_val; + + struct bgp_attr_encap_subtlv *encaptlv; + char buf[BUFSIZ]; + char buf2[BUFSIZ]; +#if 0 /* unused? */ struct prefix pfx_buf; #endif - struct rfapi_nexthop *lnh = NULL; /* local nexthop */ - struct rfapi_vn_option *vo; - struct rfapi_l2address_option *l2o = NULL; - struct rfapi_ip_addr *un_addr = &rfd->un_addr; + struct rfapi_nexthop *lnh = NULL; /* local nexthop */ + struct rfapi_vn_option *vo; + struct rfapi_l2address_option *l2o = NULL; + struct rfapi_ip_addr *un_addr = &rfd->un_addr; - bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; - struct bgp_redist *red; + bgp_encap_types TunnelType = BGP_ENCAP_TYPE_RESERVED; + struct bgp_redist *red; - if (safi == SAFI_ENCAP && - !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) - { + if (safi == SAFI_ENCAP + && !(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)) { - /* - * Encap mode not enabled. UN addresses will be communicated - * via VNC Tunnel subtlv instead. - */ - vnc_zlog_debug_verbose ("%s: encap mode not enabled, not adding SAFI_ENCAP route", - __func__); - return; - } + /* + * Encap mode not enabled. UN addresses will be communicated + * via VNC Tunnel subtlv instead. + */ + vnc_zlog_debug_verbose( + "%s: encap mode not enabled, not adding SAFI_ENCAP route", + __func__); + return; + } -#if 0 /* unused? */ +#if 0 /* unused? */ if ((safi == SAFI_MPLS_VPN) && (flags & RFAPI_AHR_SET_PFX_TO_NEXTHOP)) { @@ -682,579 +631,542 @@ add_vnc_route ( p = &pfx_buf; } #endif - for (vo = options_vn; vo; vo = vo->next) - { - if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) - { - l2o = &vo->v.l2addr; - if (RFAPI_0_ETHERADDR (&l2o->macaddr)) - l2o = NULL; /* not MAC resolution */ - } - if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) - { - lnh = &vo->v.local_nexthop; - } - } - - if (label) - label_val = *label; - else - label_val = MPLS_LABEL_IMPLICIT_NULL; - - prefix_rd2str (prd, buf2, BUFSIZ); - buf2[BUFSIZ - 1] = 0; - - - afi = family2afi (p->family); - assert (afi == AFI_IP || afi == AFI_IP6); - - vnc_zlog_debug_verbose ("%s: afi=%s, safi=%s", __func__, afi2str (afi), - safi2str (safi)); - - /* Make default attribute. Produces already-interned attr.aspath */ - /* Cripes, the memory management of attributes is byzantine */ - - bgp_attr_default_set (&attr, BGP_ORIGIN_INCOMPLETE); - - /* - * At this point: - * attr: static - * extra: dynamically allocated, owned by attr - * aspath: points to interned hash from aspath hash table - */ - - - /* - * Route-specific un_options get added to the VPN SAFI - * advertisement tunnel encap attribute. (the per-NVE - * "default" un_options are put into the 1-per-NVE ENCAP - * SAFI advertisement). The VPN SAFI also gets the - * default un_options if there are no route-specific options. - */ - if (options_un) - { - struct rfapi_un_option *uo; - - for (uo = options_un; uo; uo = uo->next) - { - if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) - { - TunnelType = rfapi_tunneltype_option_to_tlv ( - bgp, un_addr, &uo->v.tunnel, &attr, l2o != NULL); - } - } - } - else - { - /* - * Add encap attr - * These are the NVE-specific "default" un_options which are - * put into the 1-per-NVE ENCAP advertisement. - */ - if (rfd->default_tunneltype_option.type) - { - TunnelType = rfapi_tunneltype_option_to_tlv ( - bgp, un_addr, &rfd->default_tunneltype_option, &attr, - l2o != NULL); - } - else /* create default for local addse */ - if (type == ZEBRA_ROUTE_BGP && sub_type == BGP_ROUTE_RFP) - TunnelType = - rfapi_tunneltype_option_to_tlv (bgp, un_addr, NULL, - &attr, l2o != NULL); - } - - if (TunnelType == BGP_ENCAP_TYPE_MPLS) - { - if (safi == SAFI_ENCAP) - { - /* Encap SAFI not used with MPLS */ - vnc_zlog_debug_verbose ("%s: mpls tunnel type, encap safi omitted", __func__); - aspath_unintern (&attr.aspath); /* Unintern original. */ - return; - } - } - - if (local_pref) - { - attr.local_pref = *local_pref; - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF); - } - - if (med) - { - attr.med = *med; - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); - } - - /* override default weight assigned by bgp_attr_default_set() */ - attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; - - /* - * NB: ticket 81: do not reset attr.aspath here because it would - * cause iBGP peers to drop route - */ - - /* - * Set originator ID for routes imported from BGP directly. - * These routes could be synthetic, and therefore could - * reuse the peer pointers of the routes they are derived - * from. Setting the originator ID to "us" prevents the - * wrong originator ID from being sent when this route is - * sent from a route reflector. - */ - if (type == ZEBRA_ROUTE_BGP_DIRECT || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) - { - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID); - attr.originator_id = bgp->router_id; - } - - - /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ - if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) - { - uint32_t lt; - - encaptlv = - XCALLOC (MTYPE_ENCAP_TLV, - sizeof (struct bgp_attr_encap_subtlv) - 1 + 4); - assert (encaptlv); - encaptlv->type = BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ - encaptlv->length = 4; - lt = htonl (*lifetime); - memcpy (encaptlv->value, <, 4); - attr.vnc_subtlvs = encaptlv; - vnc_zlog_debug_verbose ("%s: set Encap Attr Prefix Lifetime to %d", - __func__, *lifetime); - } - - /* add rfp options to vnc attr */ - if (rfp_options) - { - - if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) - { - - /* - * this flag means we're passing a pointer to an - * existing encap tlv chain which we should copy. - * It's a hack to avoid adding yet another argument - * to add_vnc_route() - */ - encaptlv = - encap_tlv_dup ((struct bgp_attr_encap_subtlv *) rfp_options); - if (attr.vnc_subtlvs) - { - attr.vnc_subtlvs->next = encaptlv; - } - else - { - attr.vnc_subtlvs = encaptlv; - } - - } - else - { - struct bgp_tea_options *hop; - /* XXX max of one tlv present so far from above code */ - struct bgp_attr_encap_subtlv *tail = attr.vnc_subtlvs; - - for (hop = rfp_options; hop; hop = hop->next) - { - - /* - * Construct subtlv - */ - encaptlv = XCALLOC (MTYPE_ENCAP_TLV, - sizeof (struct bgp_attr_encap_subtlv) - 1 + - 2 + hop->length); - assert (encaptlv); - encaptlv->type = BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP option */ - encaptlv->length = 2 + hop->length; - *((uint8_t *) (encaptlv->value) + 0) = hop->type; - *((uint8_t *) (encaptlv->value) + 1) = hop->length; - memcpy (((uint8_t *) encaptlv->value) + 2, hop->value, - hop->length); - - /* - * add to end of subtlv chain - */ - if (tail) - { - tail->next = encaptlv; - } - else - { - attr.vnc_subtlvs = encaptlv; - } - tail = encaptlv; - } - } - } - - /* - * At this point: - * attr: static - * extra: dynamically allocated, owned by attr - * vnc_subtlvs: dynamic chain, length 1 - * aspath: points to interned hash from aspath hash table - */ - - - attr.ecommunity = ecommunity_new (); - assert (attr.ecommunity); - - if (TunnelType != BGP_ENCAP_TYPE_MPLS && - TunnelType != BGP_ENCAP_TYPE_RESERVED) - { - /* - * Add BGP Encapsulation Extended Community. Format described in - * section 4.5 of RFC 5512. - * Always include when not MPLS type, to disambiguate this case. - */ - struct ecommunity_val beec; - - memset (&beec, 0, sizeof (beec)); - beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; - beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; - beec.val[6] = ((TunnelType) >> 8) & 0xff; - beec.val[7] = (TunnelType) & 0xff; - ecommunity_add_val (attr.ecommunity, &beec); - } - - /* - * Add extended community attributes to match rt export list - */ - if (rt_export_list) - { - attr.ecommunity = - ecommunity_merge (attr.ecommunity, rt_export_list); - } - - if (attr.ecommunity->size) - { - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_EXT_COMMUNITIES); - } - else - { - ecommunity_free (&attr.ecommunity); - attr.ecommunity = NULL; - } - vnc_zlog_debug_verbose ("%s: attr.ecommunity=%p", __func__, - attr.ecommunity); - - - /* - * At this point: - * attr: static - * extra: dynamically allocated, owned by attr - * vnc_subtlvs: dynamic chain, length 1 - * ecommunity: dynamic 2-part - * aspath: points to interned hash from aspath hash table - */ - - /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ - switch (nexthop->addr_family) - { - case AF_INET: - /* - * set this field to prevent bgp_route.c code from setting - * mp_nexthop_global_in to self - */ - attr.nexthop.s_addr = nexthop->addr.v4.s_addr; - - attr.mp_nexthop_global_in = nexthop->addr.v4; - attr.mp_nexthop_len = 4; - break; - - case AF_INET6: - attr.mp_nexthop_global = nexthop->addr.v6; - attr.mp_nexthop_len = 16; - break; - - default: - assert (0); - } - - - prefix2str (p, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ - - /* - * At this point: - * - * attr: static - * extra: dynamically allocated, owned by attr - * vnc_subtlvs: dynamic chain, length 1 - * ecommunity: dynamic 2-part - * aspath: points to interned hash from aspath hash table - */ - - red = bgp_redist_lookup(bgp, afi, type, VRF_DEFAULT); - - if (red && red->redist_metric_flag) - { - attr.med = red->redist_metric; - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); - } - - bn = bgp_afi_node_get (bgp->rib[afi][safi], afi, safi, p, prd); - - /* - * bgp_attr_intern creates a new reference to a cached - * attribute, but leaves the following bits of trash: - * - old attr - * - old attr->extra (free via bgp_attr_extra_free(attr)) - * - * Note that it frees the original attr->extra->ecommunity - * but leaves the new attribute pointing to the ORIGINAL - * vnc options (which therefore we needn't free from the - * static attr) - */ - new_attr = bgp_attr_intern (&attr); - - aspath_unintern (&attr.aspath); /* Unintern original. */ - - /* - * At this point: - * - * attr: static - * extra: dynamically allocated, owned by attr - * vnc_subtlvs: dynamic chain, length 1 - * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED - * - * new_attr: an attr that is part of the hash table, distinct - * from attr which is static. - * extra: dynamically allocated, owned by new_attr (in hash table) - * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr - * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr - * aspath: POINTS TO interned/refcounted hashed block - */ - for (bi = bn->info; bi; bi = bi->next) - { - /* probably only need to check bi->extra->vnc.export.rfapi_handle */ - if (bi->peer == rfd->peer && - bi->type == type && - bi->sub_type == sub_type && - bi->extra && bi->extra->vnc.export.rfapi_handle == (void *) rfd) - { - - break; - } - } - - if (bi) - { - - /* - * Adding new local_nexthop, which does not by itself change - * what is advertised via BGP - */ - if (lnh) - { - if (!bi->extra->vnc.export.local_nexthops) - { - /* TBD make arrangements to free when needed */ - bi->extra->vnc.export.local_nexthops = list_new (); - bi->extra->vnc.export.local_nexthops->del = rfapi_nexthop_free; - } - - /* - * already present? - */ - struct listnode *node; - struct rfapi_nexthop *pLnh = NULL; - - for (ALL_LIST_ELEMENTS_RO (bi->extra->vnc.export.local_nexthops, - node, pLnh)) - { - - if (prefix_same (&pLnh->addr, &lnh->addr)) - { - break; - } - } - - /* - * Not present, add new one - */ - if (!pLnh) - { - pLnh = rfapi_nexthop_new (lnh); - listnode_add (bi->extra->vnc.export.local_nexthops, pLnh); - } - } - - if (attrhash_cmp (bi->attr, new_attr) && - !CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) - { - bgp_attr_unintern (&new_attr); - bgp_unlock_node (bn); - - vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, no change", - __func__, safi, buf); - - goto done; - } - else - { - /* The attribute is changed. */ - bgp_info_set_flag (bn, bi, BGP_INFO_ATTR_CHANGED); - - if (safi == SAFI_MPLS_VPN) - { - struct bgp_node *prn = NULL; - struct bgp_table *table = NULL; - - prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); - if (prn->info) - { - table = (struct bgp_table *) (prn->info); - - vnc_import_bgp_del_vnc_host_route_mode_resolve_nve ( - bgp, prd, table, p, bi); - } - bgp_unlock_node (prn); - } - - /* Rewrite BGP route information. */ - if (CHECK_FLAG (bi->flags, BGP_INFO_REMOVED)) - bgp_info_restore (bn, bi); - else - bgp_aggregate_decrement (bgp, p, bi, afi, safi); - bgp_attr_unintern (&bi->attr); - bi->attr = new_attr; - bi->uptime = bgp_clock (); - - - if (safi == SAFI_MPLS_VPN) - { - struct bgp_node *prn = NULL; - struct bgp_table *table = NULL; - - prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); - if (prn->info) - { - table = (struct bgp_table *) (prn->info); - - vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( - bgp, prd, table, p, bi); - } - bgp_unlock_node (prn); - } - - /* Process change. */ - bgp_aggregate_increment (bgp, p, bi, afi, safi); - bgp_process (bgp, bn, afi, safi); - bgp_unlock_node (bn); - - vnc_zlog_debug_any ("%s: Found route (safi=%d) at prefix %s, changed attr", - __func__, safi, buf); - - goto done; - } - } - - - new = bgp_info_new (); - new->type = type; - new->sub_type = sub_type; - new->peer = rfd->peer; - SET_FLAG (new->flags, BGP_INFO_VALID); - new->attr = new_attr; - new->uptime = bgp_clock (); - - /* save backref to rfapi handle */ - assert (bgp_info_extra_get (new)); - new->extra->vnc.export.rfapi_handle = (void *) rfd; - encode_label (label_val, &new->extra->label); - - /* debug */ - - if (VNC_DEBUG(VERBOSE)) - { - vnc_zlog_debug_verbose ("%s: printing BI", __func__); - rfapiPrintBi (NULL, new); - } - - bgp_aggregate_increment (bgp, p, new, afi, safi); - bgp_info_add (bn, new); - - if (safi == SAFI_MPLS_VPN) - { - struct bgp_node *prn = NULL; - struct bgp_table *table = NULL; - - prn = bgp_node_get (bgp->rib[afi][safi], (struct prefix *) prd); - if (prn->info) - { - table = (struct bgp_table *) (prn->info); - - vnc_import_bgp_add_vnc_host_route_mode_resolve_nve ( - bgp, prd, table, p, new); - } - bgp_unlock_node (prn); - encode_label (label_val, &bn->local_label); - } - - bgp_unlock_node (bn); - bgp_process (bgp, bn, afi, safi); - - vnc_zlog_debug_any ("%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", - __func__, safi2str (safi), buf, bn, buf2); + for (vo = options_vn; vo; vo = vo->next) { + if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { + l2o = &vo->v.l2addr; + if (RFAPI_0_ETHERADDR(&l2o->macaddr)) + l2o = NULL; /* not MAC resolution */ + } + if (RFAPI_VN_OPTION_TYPE_LOCAL_NEXTHOP == vo->type) { + lnh = &vo->v.local_nexthop; + } + } + + if (label) + label_val = *label; + else + label_val = MPLS_LABEL_IMPLICIT_NULL; + + prefix_rd2str(prd, buf2, BUFSIZ); + buf2[BUFSIZ - 1] = 0; + + + afi = family2afi(p->family); + assert(afi == AFI_IP || afi == AFI_IP6); + + vnc_zlog_debug_verbose("%s: afi=%s, safi=%s", __func__, afi2str(afi), + safi2str(safi)); + + /* Make default attribute. Produces already-interned attr.aspath */ + /* Cripes, the memory management of attributes is byzantine */ + + bgp_attr_default_set(&attr, BGP_ORIGIN_INCOMPLETE); + + /* + * At this point: + * attr: static + * extra: dynamically allocated, owned by attr + * aspath: points to interned hash from aspath hash table + */ + + + /* + * Route-specific un_options get added to the VPN SAFI + * advertisement tunnel encap attribute. (the per-NVE + * "default" un_options are put into the 1-per-NVE ENCAP + * SAFI advertisement). The VPN SAFI also gets the + * default un_options if there are no route-specific options. + */ + if (options_un) { + struct rfapi_un_option *uo; + + for (uo = options_un; uo; uo = uo->next) { + if (RFAPI_UN_OPTION_TYPE_TUNNELTYPE == uo->type) { + TunnelType = rfapi_tunneltype_option_to_tlv( + bgp, un_addr, &uo->v.tunnel, &attr, + l2o != NULL); + } + } + } else { + /* + * Add encap attr + * These are the NVE-specific "default" un_options which are + * put into the 1-per-NVE ENCAP advertisement. + */ + if (rfd->default_tunneltype_option.type) { + TunnelType = rfapi_tunneltype_option_to_tlv( + bgp, un_addr, &rfd->default_tunneltype_option, + &attr, l2o != NULL); + } else /* create default for local addse */ + if (type == ZEBRA_ROUTE_BGP + && sub_type == BGP_ROUTE_RFP) + TunnelType = rfapi_tunneltype_option_to_tlv( + bgp, un_addr, NULL, &attr, l2o != NULL); + } + + if (TunnelType == BGP_ENCAP_TYPE_MPLS) { + if (safi == SAFI_ENCAP) { + /* Encap SAFI not used with MPLS */ + vnc_zlog_debug_verbose( + "%s: mpls tunnel type, encap safi omitted", + __func__); + aspath_unintern(&attr.aspath); /* Unintern original. */ + return; + } + } + + if (local_pref) { + attr.local_pref = *local_pref; + attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_LOCAL_PREF); + } + + if (med) { + attr.med = *med; + attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); + } + + /* override default weight assigned by bgp_attr_default_set() */ + attr.weight = rfd->peer ? rfd->peer->weight[afi][safi] : 0; + + /* + * NB: ticket 81: do not reset attr.aspath here because it would + * cause iBGP peers to drop route + */ + + /* + * Set originator ID for routes imported from BGP directly. + * These routes could be synthetic, and therefore could + * reuse the peer pointers of the routes they are derived + * from. Setting the originator ID to "us" prevents the + * wrong originator ID from being sent when this route is + * sent from a route reflector. + */ + if (type == ZEBRA_ROUTE_BGP_DIRECT + || type == ZEBRA_ROUTE_BGP_DIRECT_EXT) { + attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_ORIGINATOR_ID); + attr.originator_id = bgp->router_id; + } + + + /* Set up vnc attribute (sub-tlv for Prefix Lifetime) */ + if (lifetime && *lifetime != RFAPI_INFINITE_LIFETIME) { + uint32_t lt; + + encaptlv = + XCALLOC(MTYPE_ENCAP_TLV, + sizeof(struct bgp_attr_encap_subtlv) - 1 + 4); + assert(encaptlv); + encaptlv->type = + BGP_VNC_SUBTLV_TYPE_LIFETIME; /* prefix lifetime */ + encaptlv->length = 4; + lt = htonl(*lifetime); + memcpy(encaptlv->value, <, 4); + attr.vnc_subtlvs = encaptlv; + vnc_zlog_debug_verbose( + "%s: set Encap Attr Prefix Lifetime to %d", __func__, + *lifetime); + } + + /* add rfp options to vnc attr */ + if (rfp_options) { + + if (flags & RFAPI_AHR_RFPOPT_IS_VNCTLV) { + + /* + * this flag means we're passing a pointer to an + * existing encap tlv chain which we should copy. + * It's a hack to avoid adding yet another argument + * to add_vnc_route() + */ + encaptlv = encap_tlv_dup( + (struct bgp_attr_encap_subtlv *)rfp_options); + if (attr.vnc_subtlvs) { + attr.vnc_subtlvs->next = encaptlv; + } else { + attr.vnc_subtlvs = encaptlv; + } + + } else { + struct bgp_tea_options *hop; + /* XXX max of one tlv present so far from above code */ + struct bgp_attr_encap_subtlv *tail = attr.vnc_subtlvs; + + for (hop = rfp_options; hop; hop = hop->next) { + + /* + * Construct subtlv + */ + encaptlv = XCALLOC( + MTYPE_ENCAP_TLV, + sizeof(struct bgp_attr_encap_subtlv) - 1 + + 2 + hop->length); + assert(encaptlv); + encaptlv->type = + BGP_VNC_SUBTLV_TYPE_RFPOPTION; /* RFP + option + */ + encaptlv->length = 2 + hop->length; + *((uint8_t *)(encaptlv->value) + 0) = hop->type; + *((uint8_t *)(encaptlv->value) + 1) = + hop->length; + memcpy(((uint8_t *)encaptlv->value) + 2, + hop->value, hop->length); + + /* + * add to end of subtlv chain + */ + if (tail) { + tail->next = encaptlv; + } else { + attr.vnc_subtlvs = encaptlv; + } + tail = encaptlv; + } + } + } + + /* + * At this point: + * attr: static + * extra: dynamically allocated, owned by attr + * vnc_subtlvs: dynamic chain, length 1 + * aspath: points to interned hash from aspath hash table + */ + + + attr.ecommunity = ecommunity_new(); + assert(attr.ecommunity); + + if (TunnelType != BGP_ENCAP_TYPE_MPLS + && TunnelType != BGP_ENCAP_TYPE_RESERVED) { + /* + * Add BGP Encapsulation Extended Community. Format described in + * section 4.5 of RFC 5512. + * Always include when not MPLS type, to disambiguate this case. + */ + struct ecommunity_val beec; + + memset(&beec, 0, sizeof(beec)); + beec.val[0] = ECOMMUNITY_ENCODE_OPAQUE; + beec.val[1] = ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP; + beec.val[6] = ((TunnelType) >> 8) & 0xff; + beec.val[7] = (TunnelType)&0xff; + ecommunity_add_val(attr.ecommunity, &beec); + } + + /* + * Add extended community attributes to match rt export list + */ + if (rt_export_list) { + attr.ecommunity = + ecommunity_merge(attr.ecommunity, rt_export_list); + } + + if (attr.ecommunity->size) { + attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES); + } else { + ecommunity_free(&attr.ecommunity); + attr.ecommunity = NULL; + } + vnc_zlog_debug_verbose("%s: attr.ecommunity=%p", __func__, + attr.ecommunity); + + + /* + * At this point: + * attr: static + * extra: dynamically allocated, owned by attr + * vnc_subtlvs: dynamic chain, length 1 + * ecommunity: dynamic 2-part + * aspath: points to interned hash from aspath hash table + */ + + /* stuff nexthop in attr_extra; which field depends on IPv4 or IPv6 */ + switch (nexthop->addr_family) { + case AF_INET: + /* + * set this field to prevent bgp_route.c code from setting + * mp_nexthop_global_in to self + */ + attr.nexthop.s_addr = nexthop->addr.v4.s_addr; + + attr.mp_nexthop_global_in = nexthop->addr.v4; + attr.mp_nexthop_len = 4; + break; + + case AF_INET6: + attr.mp_nexthop_global = nexthop->addr.v6; + attr.mp_nexthop_len = 16; + break; + + default: + assert(0); + } + + + prefix2str(p, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ + + /* + * At this point: + * + * attr: static + * extra: dynamically allocated, owned by attr + * vnc_subtlvs: dynamic chain, length 1 + * ecommunity: dynamic 2-part + * aspath: points to interned hash from aspath hash table + */ + + red = bgp_redist_lookup(bgp, afi, type, VRF_DEFAULT); + + if (red && red->redist_metric_flag) { + attr.med = red->redist_metric; + attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_MULTI_EXIT_DISC); + } + + bn = bgp_afi_node_get(bgp->rib[afi][safi], afi, safi, p, prd); + + /* + * bgp_attr_intern creates a new reference to a cached + * attribute, but leaves the following bits of trash: + * - old attr + * - old attr->extra (free via bgp_attr_extra_free(attr)) + * + * Note that it frees the original attr->extra->ecommunity + * but leaves the new attribute pointing to the ORIGINAL + * vnc options (which therefore we needn't free from the + * static attr) + */ + new_attr = bgp_attr_intern(&attr); + + aspath_unintern(&attr.aspath); /* Unintern original. */ + + /* + * At this point: + * + * attr: static + * extra: dynamically allocated, owned by attr + * vnc_subtlvs: dynamic chain, length 1 + * ecommunity: POINTS TO INTERNED ecom, THIS REF NOT COUNTED + * + * new_attr: an attr that is part of the hash table, distinct + * from attr which is static. + * extra: dynamically allocated, owned by new_attr (in hash table) + * vnc_subtlvs: POINTS TO SAME dynamic chain AS attr + * ecommunity: POINTS TO interned/refcounted dynamic 2-part AS attr + * aspath: POINTS TO interned/refcounted hashed block + */ + for (bi = bn->info; bi; bi = bi->next) { + /* probably only need to check + * bi->extra->vnc.export.rfapi_handle */ + if (bi->peer == rfd->peer && bi->type == type + && bi->sub_type == sub_type && bi->extra + && bi->extra->vnc.export.rfapi_handle == (void *)rfd) { + + break; + } + } + + if (bi) { + + /* + * Adding new local_nexthop, which does not by itself change + * what is advertised via BGP + */ + if (lnh) { + if (!bi->extra->vnc.export.local_nexthops) { + /* TBD make arrangements to free when needed */ + bi->extra->vnc.export.local_nexthops = + list_new(); + bi->extra->vnc.export.local_nexthops->del = + rfapi_nexthop_free; + } + + /* + * already present? + */ + struct listnode *node; + struct rfapi_nexthop *pLnh = NULL; + + for (ALL_LIST_ELEMENTS_RO( + bi->extra->vnc.export.local_nexthops, node, + pLnh)) { + + if (prefix_same(&pLnh->addr, &lnh->addr)) { + break; + } + } + + /* + * Not present, add new one + */ + if (!pLnh) { + pLnh = rfapi_nexthop_new(lnh); + listnode_add( + bi->extra->vnc.export.local_nexthops, + pLnh); + } + } + + if (attrhash_cmp(bi->attr, new_attr) + && !CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) { + bgp_attr_unintern(&new_attr); + bgp_unlock_node(bn); + + vnc_zlog_debug_any( + "%s: Found route (safi=%d) at prefix %s, no change", + __func__, safi, buf); + + goto done; + } else { + /* The attribute is changed. */ + bgp_info_set_flag(bn, bi, BGP_INFO_ATTR_CHANGED); + + if (safi == SAFI_MPLS_VPN) { + struct bgp_node *prn = NULL; + struct bgp_table *table = NULL; + + prn = bgp_node_get(bgp->rib[afi][safi], + (struct prefix *)prd); + if (prn->info) { + table = (struct bgp_table *)(prn->info); + + vnc_import_bgp_del_vnc_host_route_mode_resolve_nve( + bgp, prd, table, p, bi); + } + bgp_unlock_node(prn); + } + + /* Rewrite BGP route information. */ + if (CHECK_FLAG(bi->flags, BGP_INFO_REMOVED)) + bgp_info_restore(bn, bi); + else + bgp_aggregate_decrement(bgp, p, bi, afi, safi); + bgp_attr_unintern(&bi->attr); + bi->attr = new_attr; + bi->uptime = bgp_clock(); + + + if (safi == SAFI_MPLS_VPN) { + struct bgp_node *prn = NULL; + struct bgp_table *table = NULL; + + prn = bgp_node_get(bgp->rib[afi][safi], + (struct prefix *)prd); + if (prn->info) { + table = (struct bgp_table *)(prn->info); + + vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( + bgp, prd, table, p, bi); + } + bgp_unlock_node(prn); + } + + /* Process change. */ + bgp_aggregate_increment(bgp, p, bi, afi, safi); + bgp_process(bgp, bn, afi, safi); + bgp_unlock_node(bn); + + vnc_zlog_debug_any( + "%s: Found route (safi=%d) at prefix %s, changed attr", + __func__, safi, buf); + + goto done; + } + } + + + new = bgp_info_new(); + new->type = type; + new->sub_type = sub_type; + new->peer = rfd->peer; + SET_FLAG(new->flags, BGP_INFO_VALID); + new->attr = new_attr; + new->uptime = bgp_clock(); + + /* save backref to rfapi handle */ + assert(bgp_info_extra_get(new)); + new->extra->vnc.export.rfapi_handle = (void *)rfd; + encode_label(label_val, &new->extra->label); + + /* debug */ + + if (VNC_DEBUG(VERBOSE)) { + vnc_zlog_debug_verbose("%s: printing BI", __func__); + rfapiPrintBi(NULL, new); + } + + bgp_aggregate_increment(bgp, p, new, afi, safi); + bgp_info_add(bn, new); + + if (safi == SAFI_MPLS_VPN) { + struct bgp_node *prn = NULL; + struct bgp_table *table = NULL; + + prn = bgp_node_get(bgp->rib[afi][safi], (struct prefix *)prd); + if (prn->info) { + table = (struct bgp_table *)(prn->info); + + vnc_import_bgp_add_vnc_host_route_mode_resolve_nve( + bgp, prd, table, p, new); + } + bgp_unlock_node(prn); + encode_label(label_val, &bn->local_label); + } + + bgp_unlock_node(bn); + bgp_process(bgp, bn, afi, safi); + + vnc_zlog_debug_any( + "%s: Added route (safi=%s) at prefix %s (bn=%p, prd=%s)", + __func__, safi2str(safi), buf, bn, buf2); done: - /* Loop back to import tables */ - rfapiProcessUpdate (rfd->peer, - rfd, - p, prd, new_attr, afi, safi, type, sub_type, &label_val); - vnc_zlog_debug_verbose ("%s: looped back import route (safi=%d)", __func__, safi); + /* Loop back to import tables */ + rfapiProcessUpdate(rfd->peer, rfd, p, prd, new_attr, afi, safi, type, + sub_type, &label_val); + vnc_zlog_debug_verbose("%s: looped back import route (safi=%d)", + __func__, safi); } -uint32_t -rfp_cost_to_localpref (uint8_t cost) +uint32_t rfp_cost_to_localpref(uint8_t cost) { - return 255 - cost; + return 255 - cost; } -static void -rfapiTunnelRouteAnnounce ( - struct bgp *bgp, - struct rfapi_descriptor *rfd, - uint32_t *pLifetime) +static void rfapiTunnelRouteAnnounce(struct bgp *bgp, + struct rfapi_descriptor *rfd, + uint32_t *pLifetime) { - struct prefix_rd prd; - struct prefix pfx_vn; - int rc; - uint32_t local_pref = rfp_cost_to_localpref (0); - - rc = rfapiRaddr2Qprefix (&(rfd->vn_addr), &pfx_vn); - assert (!rc); - - /* - * Construct route distinguisher = 0 - */ - memset (&prd, 0, sizeof (prd)); - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - - add_vnc_route (rfd, /* rfapi descr, for export list & backref */ - bgp, /* which bgp instance */ - SAFI_ENCAP, /* which SAFI */ - &pfx_vn, /* prefix to advertise */ - &prd, /* route distinguisher to use */ - &rfd->un_addr, /* nexthop */ - &local_pref, - pLifetime, /* max lifetime of child VPN routes */ - NULL, /* no rfp options for ENCAP safi */ - NULL, /* rfp un options */ - NULL, /* rfp vn options */ - rfd->rt_export_list, - NULL, /* med */ - NULL, /* label: default */ - ZEBRA_ROUTE_BGP, - BGP_ROUTE_RFP, - 0); + struct prefix_rd prd; + struct prefix pfx_vn; + int rc; + uint32_t local_pref = rfp_cost_to_localpref(0); + + rc = rfapiRaddr2Qprefix(&(rfd->vn_addr), &pfx_vn); + assert(!rc); + + /* + * Construct route distinguisher = 0 + */ + memset(&prd, 0, sizeof(prd)); + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + add_vnc_route(rfd, /* rfapi descr, for export list & backref */ + bgp, /* which bgp instance */ + SAFI_ENCAP, /* which SAFI */ + &pfx_vn, /* prefix to advertise */ + &prd, /* route distinguisher to use */ + &rfd->un_addr, /* nexthop */ + &local_pref, + pLifetime, /* max lifetime of child VPN routes */ + NULL, /* no rfp options for ENCAP safi */ + NULL, /* rfp un options */ + NULL, /* rfp vn options */ + rfd->rt_export_list, NULL, /* med */ + NULL, /* label: default */ + ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); } @@ -1265,88 +1177,84 @@ rfapiTunnelRouteAnnounce ( /*------------------------------------------ * rfapi_rfp_set_configuration * - * This is used to change rfapi's processing behavior based on - * RFP requirements. + * This is used to change rfapi's processing behavior based on + * RFP requirements. * - * input: + * input: * rfp_start_val value returned by rfp_start * rfapi_rfp_cfg Pointer to configuration structure * * output: * none * - * return value: + * return value: * 0 Success * ENXIO Unabled to locate configured BGP/VNC --------------------------------------------*/ -int -rfapi_rfp_set_configuration (void *rfp_start_val, struct rfapi_rfp_cfg *new) +int rfapi_rfp_set_configuration(void *rfp_start_val, struct rfapi_rfp_cfg *new) { - struct rfapi_rfp_cfg *rcfg; - struct bgp *bgp; - - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - - if (!new || !bgp || !bgp->rfapi_cfg) - return ENXIO; - - rcfg = &bgp->rfapi_cfg->rfp_cfg; - rcfg->download_type = new->download_type; - rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; - rcfg->holddown_factor = new->holddown_factor; - - if (rcfg->use_updated_response != new->use_updated_response) - { - rcfg->use_updated_response = new->use_updated_response; - if (rcfg->use_updated_response) - rfapiMonitorCallbacksOn (bgp); - else - rfapiMonitorCallbacksOff (bgp); - } - if (rcfg->use_removes != new->use_removes) - { - rcfg->use_removes = new->use_removes; - if (rcfg->use_removes) - rfapiMonitorResponseRemovalOn (bgp); - else - rfapiMonitorResponseRemovalOff (bgp); - } - return 0; + struct rfapi_rfp_cfg *rcfg; + struct bgp *bgp; + + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + + if (!new || !bgp || !bgp->rfapi_cfg) + return ENXIO; + + rcfg = &bgp->rfapi_cfg->rfp_cfg; + rcfg->download_type = new->download_type; + rcfg->ftd_advertisement_interval = new->ftd_advertisement_interval; + rcfg->holddown_factor = new->holddown_factor; + + if (rcfg->use_updated_response != new->use_updated_response) { + rcfg->use_updated_response = new->use_updated_response; + if (rcfg->use_updated_response) + rfapiMonitorCallbacksOn(bgp); + else + rfapiMonitorCallbacksOff(bgp); + } + if (rcfg->use_removes != new->use_removes) { + rcfg->use_removes = new->use_removes; + if (rcfg->use_removes) + rfapiMonitorResponseRemovalOn(bgp); + else + rfapiMonitorResponseRemovalOff(bgp); + } + return 0; } /*------------------------------------------ * rfapi_rfp_set_cb_methods * - * Change registered callback functions for asynchronous notifications + * Change registered callback functions for asynchronous notifications * from RFAPI to the RFP client. * - * input: + * input: * rfp_start_val value returned by rfp_start * methods Pointer to struct rfapi_rfp_cb_methods containing * pointers to callback methods as described above * - * return value: + * return value: * 0 Success * ENXIO BGP or VNC not configured *------------------------------------------*/ -int -rfapi_rfp_set_cb_methods (void *rfp_start_val, - struct rfapi_rfp_cb_methods *methods) +int rfapi_rfp_set_cb_methods(void *rfp_start_val, + struct rfapi_rfp_cb_methods *methods) { - struct rfapi *h; - struct bgp *bgp; + struct rfapi *h; + struct bgp *bgp; - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (!bgp) - return ENXIO; + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (!bgp) + return ENXIO; - h = bgp->rfapi; - if (!h) - return ENXIO; + h = bgp->rfapi; + if (!h) + return ENXIO; - h->rfp_methods = *methods; + h->rfp_methods = *methods; - return 0; + return 0; } /*********************************************************************** @@ -1358,570 +1266,520 @@ rfapi_rfp_set_cb_methods (void *rfp_start_val, * The advertised_prefixes[] array elements should be NULL to * have this function set them to newly-allocated radix trees. */ -static int -rfapi_open_inner ( - struct rfapi_descriptor *rfd, - struct bgp *bgp, - struct rfapi *h, - struct rfapi_nve_group_cfg *rfg) +static int rfapi_open_inner(struct rfapi_descriptor *rfd, struct bgp *bgp, + struct rfapi *h, struct rfapi_nve_group_cfg *rfg) { - int ret; - - if (h->flags & RFAPI_INCALLBACK) - return EDEADLK; + int ret; + + if (h->flags & RFAPI_INCALLBACK) + return EDEADLK; + + /* + * Fill in configured fields + */ + + /* + * If group's RD is specified as "auto", then fill in based + * on NVE's VN address + */ + rfd->rd = rfg->rd; + + if (rfd->rd.family == AF_UNIX) { + ret = rfapi_set_autord_from_vn(&rfd->rd, &rfd->vn_addr); + if (ret != 0) + return ret; + } + rfd->rt_export_list = (rfg->rt_export_list) + ? ecommunity_dup(rfg->rt_export_list) + : NULL; + rfd->response_lifetime = rfg->response_lifetime; + rfd->rfg = rfg; + + /* + * Fill in BGP peer structure + */ + rfd->peer = peer_new(bgp); + rfd->peer->status = Established; /* keep bgp core happy */ + bgp_sync_delete(rfd->peer); /* don't need these */ + if (rfd->peer->ibuf) { + stream_free(rfd->peer->ibuf); /* don't need it */ + rfd->peer->ibuf = NULL; + } + if (rfd->peer->obuf) { + stream_fifo_free(rfd->peer->obuf); /* don't need it */ + rfd->peer->obuf = NULL; + } + if (rfd->peer->work) { + stream_free(rfd->peer->work); /* don't need it */ + rfd->peer->work = NULL; + } + { /* base code assumes have valid host pointer */ + char buf[BUFSIZ]; + buf[0] = 0; + + if (rfd->vn_addr.addr_family == AF_INET) { + inet_ntop(AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); + } else if (rfd->vn_addr.addr_family == AF_INET6) { + inet_ntop(AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); + } + rfd->peer->host = XSTRDUP(MTYPE_BGP_PEER_HOST, buf); + } + /* Mark peer as belonging to HD */ + SET_FLAG(rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); + + /* + * Set min prefix lifetime to max value so it will get set + * upon first rfapi_register() + */ + rfd->min_prefix_lifetime = UINT32_MAX; - /* - * Fill in configured fields - */ - - /* - * If group's RD is specified as "auto", then fill in based - * on NVE's VN address - */ - rfd->rd = rfg->rd; - - if (rfd->rd.family == AF_UNIX) - { - ret = rfapi_set_autord_from_vn (&rfd->rd, &rfd->vn_addr); - if (ret != 0) - return ret; - } - rfd->rt_export_list = (rfg->rt_export_list) ? - ecommunity_dup (rfg->rt_export_list) : NULL; - rfd->response_lifetime = rfg->response_lifetime; - rfd->rfg = rfg; - - /* - * Fill in BGP peer structure - */ - rfd->peer = peer_new (bgp); - rfd->peer->status = Established; /* keep bgp core happy */ - bgp_sync_delete (rfd->peer); /* don't need these */ - if (rfd->peer->ibuf) - { - stream_free (rfd->peer->ibuf); /* don't need it */ - rfd->peer->ibuf = NULL; - } - if (rfd->peer->obuf) - { - stream_fifo_free (rfd->peer->obuf); /* don't need it */ - rfd->peer->obuf = NULL; - } - if (rfd->peer->work) - { - stream_free (rfd->peer->work); /* don't need it */ - rfd->peer->work = NULL; - } - { /* base code assumes have valid host pointer */ - char buf[BUFSIZ]; - buf[0] = 0; - - if (rfd->vn_addr.addr_family == AF_INET) - { - inet_ntop (AF_INET, &rfd->vn_addr.addr.v4, buf, BUFSIZ); - } - else if (rfd->vn_addr.addr_family == AF_INET6) - { - inet_ntop (AF_INET6, &rfd->vn_addr.addr.v6, buf, BUFSIZ); - } - rfd->peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, buf); - } - /* Mark peer as belonging to HD */ - SET_FLAG (rfd->peer->flags, PEER_FLAG_IS_RFAPI_HD); - - /* - * Set min prefix lifetime to max value so it will get set - * upon first rfapi_register() - */ - rfd->min_prefix_lifetime = UINT32_MAX; - - /* - * Allocate response tables if needed - */ -#define RFD_RTINIT_AFI(rh, ary, afi) do {\ - if (!ary[afi]) { \ - ary[afi] = route_table_init ();\ - ary[afi]->info = rh;\ - }\ -} while (0) - -#define RFD_RTINIT(rh, ary) do {\ - RFD_RTINIT_AFI(rh, ary, AFI_IP);\ - RFD_RTINIT_AFI(rh, ary, AFI_IP6);\ - RFD_RTINIT_AFI(rh, ary, AFI_L2VPN);\ -} while(0) - - RFD_RTINIT(rfd, rfd->rib); - RFD_RTINIT(rfd, rfd->rib_pending); - RFD_RTINIT(rfd, rfd->rsp_times); - - /* - * Link to Import Table - */ - rfd->import_table = rfg->rfapi_import_table; - rfd->import_table->refcount += 1; - - rfapiApInit (&rfd->advertised); - - /* - * add this NVE descriptor to the list of NVEs in the NVE group - */ - if (!rfg->nves) - { - rfg->nves = list_new (); - } - listnode_add (rfg->nves, rfd); - - vnc_direct_bgp_add_nve (bgp, rfd); - vnc_zebra_add_nve (bgp, rfd); - - return 0; +/* + * Allocate response tables if needed + */ +#define RFD_RTINIT_AFI(rh, ary, afi) \ + do { \ + if (!ary[afi]) { \ + ary[afi] = route_table_init(); \ + ary[afi]->info = rh; \ + } \ + } while (0) + +#define RFD_RTINIT(rh, ary) \ + do { \ + RFD_RTINIT_AFI(rh, ary, AFI_IP); \ + RFD_RTINIT_AFI(rh, ary, AFI_IP6); \ + RFD_RTINIT_AFI(rh, ary, AFI_L2VPN); \ + } while (0) + + RFD_RTINIT(rfd, rfd->rib); + RFD_RTINIT(rfd, rfd->rib_pending); + RFD_RTINIT(rfd, rfd->rsp_times); + + /* + * Link to Import Table + */ + rfd->import_table = rfg->rfapi_import_table; + rfd->import_table->refcount += 1; + + rfapiApInit(&rfd->advertised); + + /* + * add this NVE descriptor to the list of NVEs in the NVE group + */ + if (!rfg->nves) { + rfg->nves = list_new(); + } + listnode_add(rfg->nves, rfd); + + vnc_direct_bgp_add_nve(bgp, rfd); + vnc_zebra_add_nve(bgp, rfd); + + return 0; } /* moved from rfapi_register */ -int -rfapi_init_and_open( - struct bgp *bgp, - struct rfapi_descriptor *rfd, - struct rfapi_nve_group_cfg *rfg) +int rfapi_init_and_open(struct bgp *bgp, struct rfapi_descriptor *rfd, + struct rfapi_nve_group_cfg *rfg) { - struct rfapi *h = bgp->rfapi; - char buf_vn[BUFSIZ]; - char buf_un[BUFSIZ]; - afi_t afi_vn, afi_un; - struct prefix pfx_un; - struct route_node *rn; - - - rfapi_time (&rfd->open_time); - - if (rfg->type == RFAPI_GROUP_CFG_VRF) - SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); - - rfapiRfapiIpAddr2Str (&rfd->vn_addr, buf_vn, BUFSIZ); - rfapiRfapiIpAddr2Str (&rfd->un_addr, buf_un, BUFSIZ); - - vnc_zlog_debug_verbose ("%s: new RFD with VN=%s UN=%s cookie=%p", - __func__, buf_vn, buf_un, rfd->cookie); - - if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ - { - listnode_add (&h->descriptors, rfd); - if (h->descriptors.count > h->stat.max_descriptors) - { - h->stat.max_descriptors = h->descriptors.count; - } - - /* - * attach to UN radix tree - */ - afi_vn = family2afi (rfd->vn_addr.addr_family); - afi_un = family2afi (rfd->un_addr.addr_family); - assert (afi_vn && afi_un); - assert (!rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un)); - - rn = route_node_get (&(h->un[afi_un]), &pfx_un); - assert (rn); - rfd->next = rn->info; - rn->info = rfd; - rfd->un_node = rn; - } - return rfapi_open_inner (rfd, bgp, h, rfg); + struct rfapi *h = bgp->rfapi; + char buf_vn[BUFSIZ]; + char buf_un[BUFSIZ]; + afi_t afi_vn, afi_un; + struct prefix pfx_un; + struct route_node *rn; + + + rfapi_time(&rfd->open_time); + + if (rfg->type == RFAPI_GROUP_CFG_VRF) + SET_FLAG(rfd->flags, RFAPI_HD_FLAG_IS_VRF); + + rfapiRfapiIpAddr2Str(&rfd->vn_addr, buf_vn, BUFSIZ); + rfapiRfapiIpAddr2Str(&rfd->un_addr, buf_un, BUFSIZ); + + vnc_zlog_debug_verbose("%s: new RFD with VN=%s UN=%s cookie=%p", + __func__, buf_vn, buf_un, rfd->cookie); + + if (rfg->type != RFAPI_GROUP_CFG_VRF) /* unclear if needed for VRF */ + { + listnode_add(&h->descriptors, rfd); + if (h->descriptors.count > h->stat.max_descriptors) { + h->stat.max_descriptors = h->descriptors.count; + } + + /* + * attach to UN radix tree + */ + afi_vn = family2afi(rfd->vn_addr.addr_family); + afi_un = family2afi(rfd->un_addr.addr_family); + assert(afi_vn && afi_un); + assert(!rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un)); + + rn = route_node_get(&(h->un[afi_un]), &pfx_un); + assert(rn); + rfd->next = rn->info; + rn->info = rfd; + rfd->un_node = rn; + } + return rfapi_open_inner(rfd, bgp, h, rfg); } -struct rfapi_vn_option * -rfapiVnOptionsDup (struct rfapi_vn_option *orig) +struct rfapi_vn_option *rfapiVnOptionsDup(struct rfapi_vn_option *orig) { - struct rfapi_vn_option *head = NULL; - struct rfapi_vn_option *tail = NULL; - struct rfapi_vn_option *vo = NULL; - - for (vo = orig; vo; vo = vo->next) - { - struct rfapi_vn_option *new; - - new = XCALLOC (MTYPE_RFAPI_VN_OPTION, sizeof (struct rfapi_vn_option)); - memcpy (new, vo, sizeof (struct rfapi_vn_option)); - new->next = NULL; - - if (tail) - { - tail->next = new; - } - else - { - head = tail = new; - } - } - return head; + struct rfapi_vn_option *head = NULL; + struct rfapi_vn_option *tail = NULL; + struct rfapi_vn_option *vo = NULL; + + for (vo = orig; vo; vo = vo->next) { + struct rfapi_vn_option *new; + + new = XCALLOC(MTYPE_RFAPI_VN_OPTION, + sizeof(struct rfapi_vn_option)); + memcpy(new, vo, sizeof(struct rfapi_vn_option)); + new->next = NULL; + + if (tail) { + tail->next = new; + } else { + head = tail = new; + } + } + return head; } -struct rfapi_un_option * -rfapiUnOptionsDup (struct rfapi_un_option *orig) +struct rfapi_un_option *rfapiUnOptionsDup(struct rfapi_un_option *orig) { - struct rfapi_un_option *head = NULL; - struct rfapi_un_option *tail = NULL; - struct rfapi_un_option *uo = NULL; - - for (uo = orig; uo; uo = uo->next) - { - struct rfapi_un_option *new; - - new = XCALLOC (MTYPE_RFAPI_UN_OPTION, sizeof (struct rfapi_un_option)); - memcpy (new, uo, sizeof (struct rfapi_un_option)); - new->next = NULL; - - if (tail) - { - tail->next = new; - } - else - { - head = tail = new; - } - } - return head; + struct rfapi_un_option *head = NULL; + struct rfapi_un_option *tail = NULL; + struct rfapi_un_option *uo = NULL; + + for (uo = orig; uo; uo = uo->next) { + struct rfapi_un_option *new; + + new = XCALLOC(MTYPE_RFAPI_UN_OPTION, + sizeof(struct rfapi_un_option)); + memcpy(new, uo, sizeof(struct rfapi_un_option)); + new->next = NULL; + + if (tail) { + tail->next = new; + } else { + head = tail = new; + } + } + return head; } -struct bgp_tea_options * -rfapiOptionsDup (struct bgp_tea_options *orig) +struct bgp_tea_options *rfapiOptionsDup(struct bgp_tea_options *orig) { - struct bgp_tea_options *head = NULL; - struct bgp_tea_options *tail = NULL; - struct bgp_tea_options *hop = NULL; - - for (hop = orig; hop; hop = hop->next) - { - struct bgp_tea_options *new; - - new = XCALLOC (MTYPE_BGP_TEA_OPTIONS, sizeof (struct bgp_tea_options)); - memcpy (new, hop, sizeof (struct bgp_tea_options)); - new->next = NULL; - if (hop->value) - { - new->value = XCALLOC (MTYPE_BGP_TEA_OPTIONS_VALUE, hop->length); - memcpy (new->value, hop->value, hop->length); - } - if (tail) - { - tail->next = new; - } - else - { - head = tail = new; - } - } - return head; + struct bgp_tea_options *head = NULL; + struct bgp_tea_options *tail = NULL; + struct bgp_tea_options *hop = NULL; + + for (hop = orig; hop; hop = hop->next) { + struct bgp_tea_options *new; + + new = XCALLOC(MTYPE_BGP_TEA_OPTIONS, + sizeof(struct bgp_tea_options)); + memcpy(new, hop, sizeof(struct bgp_tea_options)); + new->next = NULL; + if (hop->value) { + new->value = XCALLOC(MTYPE_BGP_TEA_OPTIONS_VALUE, + hop->length); + memcpy(new->value, hop->value, hop->length); + } + if (tail) { + tail->next = new; + } else { + head = tail = new; + } + } + return head; } -void -rfapiFreeBgpTeaOptionChain (struct bgp_tea_options *p) +void rfapiFreeBgpTeaOptionChain(struct bgp_tea_options *p) { - struct bgp_tea_options *next; + struct bgp_tea_options *next; - while (p) - { - next = p->next; + while (p) { + next = p->next; - if (p->value) - { - XFREE (MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); - p->value = NULL; - } - XFREE (MTYPE_BGP_TEA_OPTIONS, p); + if (p->value) { + XFREE(MTYPE_BGP_TEA_OPTIONS_VALUE, p->value); + p->value = NULL; + } + XFREE(MTYPE_BGP_TEA_OPTIONS, p); - p = next; - } + p = next; + } } -void -rfapiAdbFree (struct rfapi_adb *adb) +void rfapiAdbFree(struct rfapi_adb *adb) { - XFREE (MTYPE_RFAPI_ADB, adb); + XFREE(MTYPE_RFAPI_ADB, adb); } static int -rfapi_query_inner ( - void *handle, - struct rfapi_ip_addr *target, - struct rfapi_l2address_option *l2o, /* may be NULL */ - struct rfapi_next_hop_entry **ppNextHopEntry) +rfapi_query_inner(void *handle, struct rfapi_ip_addr *target, + struct rfapi_l2address_option *l2o, /* may be NULL */ + struct rfapi_next_hop_entry **ppNextHopEntry) { - afi_t afi; - struct prefix p; - struct prefix p_original; - struct route_node *rn; - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - struct bgp *bgp = rfd->bgp; - struct rfapi_next_hop_entry *pNHE = NULL; - struct rfapi_ip_addr *self_vn_addr = NULL; - int eth_is_0 = 0; - int use_eth_resolution = 0; - struct rfapi_next_hop_entry *i_nhe; - - /* preemptive */ - if (!bgp) - { - vnc_zlog_debug_verbose ("%s: No BGP instance, returning ENXIO", __func__); - return ENXIO; - } - if (!bgp->rfapi) - { - vnc_zlog_debug_verbose ("%s: No RFAPI instance, returning ENXIO", __func__); - return ENXIO; - } - if (bgp->rfapi->flags & RFAPI_INCALLBACK) - { - vnc_zlog_debug_verbose ("%s: Called during calback, returning EDEADLK", __func__); - return EDEADLK; - } - - if (!is_valid_rfd (rfd)) - { - vnc_zlog_debug_verbose ("%s: invalid handle, returning EBADF", __func__); - return EBADF; - } - - rfd->rsp_counter++; /* dedup: identify this generation */ - rfd->rsp_time = rfapi_time (NULL); /* response content dedup */ - rfd->ftd_last_allowed_time = - bgp_clock() - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; - - if (l2o) - { - if (!memcmp (l2o->macaddr.octet, rfapi_ethaddr0.octet, ETHER_ADDR_LEN)) - { - eth_is_0 = 1; - } - /* per t/c Paul/Lou 151022 */ - if (!eth_is_0 || l2o->logical_net_id) - { - use_eth_resolution = 1; - } - } - - if (ppNextHopEntry) - *ppNextHopEntry = NULL; - - /* - * Save original target in prefix form. In case of L2-based queries, - * p_original will be modified to reflect the L2 target - */ - assert(!rfapiRaddr2Qprefix (target, &p_original)); - - if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) - { - /* convert query to 0/0 when full-table download is enabled */ - memset ((char *) &p, 0, sizeof (p)); - p.family = target->addr_family; - } - else - { - p = p_original; - } - - { - char buf[BUFSIZ]; - char *s; - - prefix2str (&p, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ - vnc_zlog_debug_verbose ("%s(rfd=%p, target=%s, ppNextHop=%p)", - __func__, rfd, buf, ppNextHopEntry); - - s = ecommunity_ecom2str(rfd->import_table->rt_import_list, - ECOMMUNITY_FORMAT_ROUTE_MAP, 0); - vnc_zlog_debug_verbose("%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", - __func__, rfd->import_table, s); XFREE (MTYPE_ECOMMUNITY_STR, s); - } - - afi = family2afi (p.family); - assert (afi); - - if (CHECK_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) - { - self_vn_addr = &rfd->vn_addr; - } - - if (use_eth_resolution) - { - uint32_t logical_net_id = l2o->logical_net_id; - struct ecommunity *l2com; - - /* - * fix up p_original to contain L2 address - */ - rfapiL2o2Qprefix (l2o, &p_original); - - l2com = - bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, logical_net_id, - l2o->label); - if (l2com) - { - uint8_t *v = l2com->val; - logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); - } - /* - * Ethernet/L2-based lookup - * - * Always returns IT node corresponding to route - */ - - if (RFAPI_RFP_DOWNLOAD_FULL == bgp->rfapi_cfg->rfp_cfg.download_type) - { - eth_is_0 = 1; - } - - rn = rfapiMonitorEthAdd (bgp, - rfd, - (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), - logical_net_id); - - if (eth_is_0) - { - struct rfapi_ip_prefix rprefix; - - memset (&rprefix, 0, sizeof (rprefix)); - rprefix.prefix.addr_family = target->addr_family; - if (target->addr_family == AF_INET) - { - rprefix.length = 32; - } - else - { - rprefix.length = 128; - } - - pNHE = rfapiEthRouteTable2NextHopList (logical_net_id, &rprefix, - rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); - goto done; - } - - } - else - { - - /* - * IP-based lookup - */ - - rn = rfapiMonitorAdd (bgp, rfd, &p); - - /* - * If target address is 0, this request is special: means to - * return ALL routes in the table - * - * Monitors for All-Routes queries get put on a special list, - * not in the VPN tree - */ - if (RFAPI_0_PREFIX (&p)) - { - - vnc_zlog_debug_verbose ("%s: 0-prefix", __func__); - - /* - * Generate nexthop list for caller - */ - pNHE = rfapiRouteTable2NextHopList ( - rfd->import_table->imported_vpn[afi], rfd->response_lifetime, - self_vn_addr, rfd->rib[afi], &p_original); - goto done; - } - - if (rn) - { - route_lock_node (rn); /* so we can unlock below */ - } - else - { - /* - * returns locked node. Don't unlock yet because the unlock - * might free it before we're done with it. This situation - * could occur when rfapiMonitorGetAttachNode() returns a - * newly-created default node. - */ - rn = rfapiMonitorGetAttachNode (rfd, &p); - } - } - - assert (rn); - if (!rn->info) - { - route_unlock_node (rn); - vnc_zlog_debug_verbose ("%s: VPN route not found, returning ENOENT", __func__); - return ENOENT; - } - - if (VNC_DEBUG(RFAPI_QUERY)) - { - rfapiShowImportTable (NULL, "query", rfd->import_table->imported_vpn[afi], - 1); - } - - if (use_eth_resolution) - { - - struct rfapi_ip_prefix rprefix; - - memset (&rprefix, 0, sizeof (rprefix)); - rprefix.prefix.addr_family = target->addr_family; - if (target->addr_family == AF_INET) - { - rprefix.length = 32; - } - else - { - rprefix.length = 128; - } - - pNHE = rfapiEthRouteNode2NextHopList (rn, &rprefix, - rfd->response_lifetime, self_vn_addr, rfd->rib[afi], &p_original); - - - } - else - { - /* - * Generate answer to query - */ - pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, - self_vn_addr, rfd->rib[afi], &p_original); - } - - route_unlock_node (rn); + afi_t afi; + struct prefix p; + struct prefix p_original; + struct route_node *rn; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + struct bgp *bgp = rfd->bgp; + struct rfapi_next_hop_entry *pNHE = NULL; + struct rfapi_ip_addr *self_vn_addr = NULL; + int eth_is_0 = 0; + int use_eth_resolution = 0; + struct rfapi_next_hop_entry *i_nhe; + + /* preemptive */ + if (!bgp) { + vnc_zlog_debug_verbose("%s: No BGP instance, returning ENXIO", + __func__); + return ENXIO; + } + if (!bgp->rfapi) { + vnc_zlog_debug_verbose("%s: No RFAPI instance, returning ENXIO", + __func__); + return ENXIO; + } + if (bgp->rfapi->flags & RFAPI_INCALLBACK) { + vnc_zlog_debug_verbose( + "%s: Called during calback, returning EDEADLK", + __func__); + return EDEADLK; + } + + if (!is_valid_rfd(rfd)) { + vnc_zlog_debug_verbose("%s: invalid handle, returning EBADF", + __func__); + return EBADF; + } + + rfd->rsp_counter++; /* dedup: identify this generation */ + rfd->rsp_time = rfapi_time(NULL); /* response content dedup */ + rfd->ftd_last_allowed_time = + bgp_clock() + - bgp->rfapi_cfg->rfp_cfg.ftd_advertisement_interval; + + if (l2o) { + if (!memcmp(l2o->macaddr.octet, rfapi_ethaddr0.octet, + ETHER_ADDR_LEN)) { + eth_is_0 = 1; + } + /* per t/c Paul/Lou 151022 */ + if (!eth_is_0 || l2o->logical_net_id) { + use_eth_resolution = 1; + } + } + + if (ppNextHopEntry) + *ppNextHopEntry = NULL; + + /* + * Save original target in prefix form. In case of L2-based queries, + * p_original will be modified to reflect the L2 target + */ + assert(!rfapiRaddr2Qprefix(target, &p_original)); + + if (bgp->rfapi_cfg->rfp_cfg.download_type == RFAPI_RFP_DOWNLOAD_FULL) { + /* convert query to 0/0 when full-table download is enabled */ + memset((char *)&p, 0, sizeof(p)); + p.family = target->addr_family; + } else { + p = p_original; + } + + { + char buf[BUFSIZ]; + char *s; + + prefix2str(&p, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ + vnc_zlog_debug_verbose("%s(rfd=%p, target=%s, ppNextHop=%p)", + __func__, rfd, buf, ppNextHopEntry); + + s = ecommunity_ecom2str(rfd->import_table->rt_import_list, + ECOMMUNITY_FORMAT_ROUTE_MAP, 0); + vnc_zlog_debug_verbose( + "%s rfd->import_table=%p, rfd->import_table->rt_import_list: %s", + __func__, rfd->import_table, s); + XFREE(MTYPE_ECOMMUNITY_STR, s); + } + + afi = family2afi(p.family); + assert(afi); + + if (CHECK_FLAG(bgp->rfapi_cfg->flags, + BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP)) { + self_vn_addr = &rfd->vn_addr; + } + + if (use_eth_resolution) { + uint32_t logical_net_id = l2o->logical_net_id; + struct ecommunity *l2com; + + /* + * fix up p_original to contain L2 address + */ + rfapiL2o2Qprefix(l2o, &p_original); + + l2com = bgp_rfapi_get_ecommunity_by_lni_label( + bgp, 1, logical_net_id, l2o->label); + if (l2com) { + uint8_t *v = l2com->val; + logical_net_id = (v[5] << 16) + (v[6] << 8) + (v[7]); + } + /* + * Ethernet/L2-based lookup + * + * Always returns IT node corresponding to route + */ + + if (RFAPI_RFP_DOWNLOAD_FULL + == bgp->rfapi_cfg->rfp_cfg.download_type) { + eth_is_0 = 1; + } + + rn = rfapiMonitorEthAdd( + bgp, rfd, (eth_is_0 ? &rfapi_ethaddr0 : &l2o->macaddr), + logical_net_id); + + if (eth_is_0) { + struct rfapi_ip_prefix rprefix; + + memset(&rprefix, 0, sizeof(rprefix)); + rprefix.prefix.addr_family = target->addr_family; + if (target->addr_family == AF_INET) { + rprefix.length = 32; + } else { + rprefix.length = 128; + } + + pNHE = rfapiEthRouteTable2NextHopList( + logical_net_id, &rprefix, + rfd->response_lifetime, self_vn_addr, + rfd->rib[afi], &p_original); + goto done; + } + + } else { + + /* + * IP-based lookup + */ + + rn = rfapiMonitorAdd(bgp, rfd, &p); + + /* + * If target address is 0, this request is special: means to + * return ALL routes in the table + * + * Monitors for All-Routes queries get put on a special list, + * not in the VPN tree + */ + if (RFAPI_0_PREFIX(&p)) { + + vnc_zlog_debug_verbose("%s: 0-prefix", __func__); + + /* + * Generate nexthop list for caller + */ + pNHE = rfapiRouteTable2NextHopList( + rfd->import_table->imported_vpn[afi], + rfd->response_lifetime, self_vn_addr, + rfd->rib[afi], &p_original); + goto done; + } + + if (rn) { + route_lock_node(rn); /* so we can unlock below */ + } else { + /* + * returns locked node. Don't unlock yet because the + * unlock + * might free it before we're done with it. This + * situation + * could occur when rfapiMonitorGetAttachNode() returns + * a + * newly-created default node. + */ + rn = rfapiMonitorGetAttachNode(rfd, &p); + } + } + + assert(rn); + if (!rn->info) { + route_unlock_node(rn); + vnc_zlog_debug_verbose( + "%s: VPN route not found, returning ENOENT", __func__); + return ENOENT; + } + + if (VNC_DEBUG(RFAPI_QUERY)) { + rfapiShowImportTable(NULL, "query", + rfd->import_table->imported_vpn[afi], 1); + } + + if (use_eth_resolution) { + + struct rfapi_ip_prefix rprefix; + + memset(&rprefix, 0, sizeof(rprefix)); + rprefix.prefix.addr_family = target->addr_family; + if (target->addr_family == AF_INET) { + rprefix.length = 32; + } else { + rprefix.length = 128; + } + + pNHE = rfapiEthRouteNode2NextHopList( + rn, &rprefix, rfd->response_lifetime, self_vn_addr, + rfd->rib[afi], &p_original); + + + } else { + /* + * Generate answer to query + */ + pNHE = rfapiRouteNode2NextHopList(rn, rfd->response_lifetime, + self_vn_addr, rfd->rib[afi], + &p_original); + } + + route_unlock_node(rn); done: - if (ppNextHopEntry) - { - /* only count if caller gets it */ - ++bgp->rfapi->response_immediate_count; - } - - if (!pNHE) - { - vnc_zlog_debug_verbose ("%s: NO NHEs, returning ENOENT", __func__); - return ENOENT; - } - - /* - * count nexthops for statistics - */ - for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) - { - ++rfd->stat_count_nh_reachable; - } - - if (ppNextHopEntry) - { - *ppNextHopEntry = pNHE; - } - else - { - rfapi_free_next_hop_list (pNHE); - } - - vnc_zlog_debug_verbose ("%s: success", __func__); - return 0; + if (ppNextHopEntry) { + /* only count if caller gets it */ + ++bgp->rfapi->response_immediate_count; + } + + if (!pNHE) { + vnc_zlog_debug_verbose("%s: NO NHEs, returning ENOENT", + __func__); + return ENOENT; + } + + /* + * count nexthops for statistics + */ + for (i_nhe = pNHE; i_nhe; i_nhe = i_nhe->next) { + ++rfd->stat_count_nh_reachable; + } + + if (ppNextHopEntry) { + *ppNextHopEntry = pNHE; + } else { + rfapi_free_next_hop_list(pNHE); + } + + vnc_zlog_debug_verbose("%s: success", __func__); + return 0; } /* @@ -1929,68 +1787,63 @@ done: * nve-group in the event that its original nve-group is * administratively deleted. */ -static int -rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) +static int rfapi_open_rfd(struct rfapi_descriptor *rfd, struct bgp *bgp) { - struct prefix pfx_vn; - struct prefix pfx_un; - struct rfapi_nve_group_cfg *rfg; - struct rfapi *h; - struct rfapi_cfg *hc; - int rc; - - h = bgp->rfapi; - if (!h) - return ENXIO; - - hc = bgp->rfapi_cfg; - if (!hc) - return ENXIO; - - rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); - assert (!rc); - - rc = rfapiRaddr2Qprefix (&rfd->un_addr, &pfx_un); - assert (!rc); - - /* - * Find the matching nve group config block - */ - rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); - if (!rfg) - { - return ENOENT; - } - - /* - * check nve group config block for required values - */ - if (!rfg->rt_export_list || !rfg->rfapi_import_table) - { - - return ENOMSG; - } - - rc = rfapi_open_inner (rfd, bgp, h, rfg); - if (rc) - { - return rc; - } - - /* - * re-advertise registered routes, this time as part of new NVE-group - */ - rfapiApReadvertiseAll (bgp, rfd); - - /* - * re-attach callbacks to import table - */ - if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) - { - rfapiMonitorAttachImportHd (rfd); - } - - return 0; + struct prefix pfx_vn; + struct prefix pfx_un; + struct rfapi_nve_group_cfg *rfg; + struct rfapi *h; + struct rfapi_cfg *hc; + int rc; + + h = bgp->rfapi; + if (!h) + return ENXIO; + + hc = bgp->rfapi_cfg; + if (!hc) + return ENXIO; + + rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); + assert(!rc); + + rc = rfapiRaddr2Qprefix(&rfd->un_addr, &pfx_un); + assert(!rc); + + /* + * Find the matching nve group config block + */ + rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); + if (!rfg) { + return ENOENT; + } + + /* + * check nve group config block for required values + */ + if (!rfg->rt_export_list || !rfg->rfapi_import_table) { + + return ENOMSG; + } + + rc = rfapi_open_inner(rfd, bgp, h, rfg); + if (rc) { + return rc; + } + + /* + * re-advertise registered routes, this time as part of new NVE-group + */ + rfapiApReadvertiseAll(bgp, rfd); + + /* + * re-attach callbacks to import table + */ + if (!(bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_CALLBACK_DISABLE)) { + rfapiMonitorAttachImportHd(rfd); + } + + return 0; } /*------------------------------------------ @@ -1999,7 +1852,7 @@ rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) * This function initializes a NVE record and associates it with * the specified VN and underlay network addresses * - * input: + * input: * rfp_start_val value returned by rfp_start * vn NVE virtual network address * @@ -2017,13 +1870,13 @@ rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) * * output: * response_lifetime The length of time that responses sent to this - * NVE are valid. + * NVE are valid. * * pHandle pointer to location to store rfapi handle. The * handle must be passed on subsequent rfapi_ calls. * * - * return value: + * return value: * 0 Success * EEXIST NVE with this {vn,un} already open * ENOENT No matching nve group config @@ -2033,188 +1886,176 @@ rfapi_open_rfd (struct rfapi_descriptor *rfd, struct bgp *bgp) * but underlay network address is not IPv4 * EDEADLK Called from within a callback procedure *------------------------------------------*/ -int -rfapi_open ( - void *rfp_start_val, - struct rfapi_ip_addr *vn, - struct rfapi_ip_addr *un, - struct rfapi_un_option *default_options, - uint32_t *response_lifetime, - void *userdata, /* callback cookie */ - rfapi_handle *pHandle) +int rfapi_open(void *rfp_start_val, struct rfapi_ip_addr *vn, + struct rfapi_ip_addr *un, + struct rfapi_un_option *default_options, + uint32_t *response_lifetime, + void *userdata, /* callback cookie */ + rfapi_handle *pHandle) { - struct bgp *bgp; - struct rfapi *h; - struct rfapi_descriptor *rfd; - struct rfapi_cfg *hc; - struct rfapi_nve_group_cfg *rfg; - - struct prefix pfx_vn; - struct prefix pfx_un; - - int rc; - rfapi_handle hh = NULL; - int reusing_provisional = 0; - - { - char buf[2][INET_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("%s: VN=%s UN=%s", __func__, - rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), - rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); - } - - assert (pHandle); - *pHandle = NULL; - - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (!bgp) - return ENXIO; - - h = bgp->rfapi; - if (!h) - return ENXIO; - - hc = bgp->rfapi_cfg; - if (!hc) - return ENXIO; - - if (h->flags & RFAPI_INCALLBACK) - return EDEADLK; - - rc = rfapiRaddr2Qprefix (vn, &pfx_vn); - assert (!rc); - - rc = rfapiRaddr2Qprefix (un, &pfx_un); - assert (!rc); - - /* - * already have a descriptor with VN and UN? - */ - if (!rfapi_find_handle (bgp, vn, un, &hh)) - { - /* - * we might have set up a handle for static routes before - * this NVE was opened. In that case, reuse the handle - */ - rfd = hh; - if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) - { - return EEXIST; - } - - /* - * reuse provisional descriptor - * hh is not NULL - */ - reusing_provisional = 1; - } - - /* - * Find the matching nve group config block - */ - rfg = bgp_rfapi_cfg_match_group (hc, &pfx_vn, &pfx_un); - if (!rfg) - { - ++h->stat.count_unknown_nves; - { - char buf[2][INET_ADDRSTRLEN]; - zlog_notice ("%s: no matching group VN=%s UN=%s", __func__, - rfapiRfapiIpAddr2Str (vn, buf[0], INET_ADDRSTRLEN), - rfapiRfapiIpAddr2Str (un, buf[1], INET_ADDRSTRLEN)); - } - return ENOENT; - } - - /* - * check nve group config block for required values - */ - if (!rfg->rt_export_list || !rfg->rfapi_import_table) - { - - ++h->stat.count_unknown_nves; - return ENOMSG; - } - - /* - * If group config specifies auto-rd assignment, check that - * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). - * Check here so we don't need to unwind memory allocations, &c. - */ - if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) - && (vn->addr_family != AF_INET6)) - { - return EAFNOSUPPORT; - } - - if (hh) - { - /* - * reusing provisional rfd - */ - rfd = hh; - } - else - { - rfd = XCALLOC (MTYPE_RFAPI_DESC, sizeof (struct rfapi_descriptor)); - } - assert (rfd); - - rfd->bgp = bgp; - if (default_options) - { - struct rfapi_un_option *p; - - for (p = default_options; p; p = p->next) - { - if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) - { - rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; - } - if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) - { - rfd->default_tunneltype_option = p->v.tunnel; - } - } - } - - /* - * Fill in caller fields - */ - rfd->vn_addr = *vn; - rfd->un_addr = *un; - rfd->cookie = userdata; - - if (!reusing_provisional) - { - rc = rfapi_init_and_open(bgp, rfd, rfg); - /* - * This can fail only if the VN address is IPv6 and the group - * specified auto-assignment of RDs, which only works for v4, - * and the check above should catch it. - * - * Another failure possibility is that we were called - * during an rfapi callback. Also checked above. - */ - assert (!rc); - } - - if (response_lifetime) - *response_lifetime = rfd->response_lifetime; - *pHandle = rfd; - return 0; + struct bgp *bgp; + struct rfapi *h; + struct rfapi_descriptor *rfd; + struct rfapi_cfg *hc; + struct rfapi_nve_group_cfg *rfg; + + struct prefix pfx_vn; + struct prefix pfx_un; + + int rc; + rfapi_handle hh = NULL; + int reusing_provisional = 0; + + { + char buf[2][INET_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "%s: VN=%s UN=%s", __func__, + rfapiRfapiIpAddr2Str(vn, buf[0], INET_ADDRSTRLEN), + rfapiRfapiIpAddr2Str(un, buf[1], INET_ADDRSTRLEN)); + } + + assert(pHandle); + *pHandle = NULL; + + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (!bgp) + return ENXIO; + + h = bgp->rfapi; + if (!h) + return ENXIO; + + hc = bgp->rfapi_cfg; + if (!hc) + return ENXIO; + + if (h->flags & RFAPI_INCALLBACK) + return EDEADLK; + + rc = rfapiRaddr2Qprefix(vn, &pfx_vn); + assert(!rc); + + rc = rfapiRaddr2Qprefix(un, &pfx_un); + assert(!rc); + + /* + * already have a descriptor with VN and UN? + */ + if (!rfapi_find_handle(bgp, vn, un, &hh)) { + /* + * we might have set up a handle for static routes before + * this NVE was opened. In that case, reuse the handle + */ + rfd = hh; + if (!CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_PROVISIONAL)) { + return EEXIST; + } + + /* + * reuse provisional descriptor + * hh is not NULL + */ + reusing_provisional = 1; + } + + /* + * Find the matching nve group config block + */ + rfg = bgp_rfapi_cfg_match_group(hc, &pfx_vn, &pfx_un); + if (!rfg) { + ++h->stat.count_unknown_nves; + { + char buf[2][INET_ADDRSTRLEN]; + zlog_notice("%s: no matching group VN=%s UN=%s", + __func__, + rfapiRfapiIpAddr2Str(vn, buf[0], + INET_ADDRSTRLEN), + rfapiRfapiIpAddr2Str(un, buf[1], + INET_ADDRSTRLEN)); + } + return ENOENT; + } + + /* + * check nve group config block for required values + */ + if (!rfg->rt_export_list || !rfg->rfapi_import_table) { + + ++h->stat.count_unknown_nves; + return ENOMSG; + } + + /* + * If group config specifies auto-rd assignment, check that + * VN address is IPv4|v6 so we don't fail in rfapi_open_inner(). + * Check here so we don't need to unwind memory allocations, &c. + */ + if ((rfg->rd.family == AF_UNIX) && (vn->addr_family != AF_INET) + && (vn->addr_family != AF_INET6)) { + return EAFNOSUPPORT; + } + + if (hh) { + /* + * reusing provisional rfd + */ + rfd = hh; + } else { + rfd = XCALLOC(MTYPE_RFAPI_DESC, + sizeof(struct rfapi_descriptor)); + } + assert(rfd); + + rfd->bgp = bgp; + if (default_options) { + struct rfapi_un_option *p; + + for (p = default_options; p; p = p->next) { + if ((RFAPI_UN_OPTION_TYPE_PROVISIONAL == p->type)) { + rfd->flags |= RFAPI_HD_FLAG_PROVISIONAL; + } + if ((RFAPI_UN_OPTION_TYPE_TUNNELTYPE == p->type)) { + rfd->default_tunneltype_option = p->v.tunnel; + } + } + } + + /* + * Fill in caller fields + */ + rfd->vn_addr = *vn; + rfd->un_addr = *un; + rfd->cookie = userdata; + + if (!reusing_provisional) { + rc = rfapi_init_and_open(bgp, rfd, rfg); + /* + * This can fail only if the VN address is IPv6 and the group + * specified auto-assignment of RDs, which only works for v4, + * and the check above should catch it. + * + * Another failure possibility is that we were called + * during an rfapi callback. Also checked above. + */ + assert(!rc); + } + + if (response_lifetime) + *response_lifetime = rfd->response_lifetime; + *pHandle = rfd; + return 0; } /* * For use with debug functions */ -static int -rfapi_set_response_cb (struct rfapi_descriptor *rfd, - rfapi_response_cb_t * response_cb) +static int rfapi_set_response_cb(struct rfapi_descriptor *rfd, + rfapi_response_cb_t *response_cb) { - if (!is_valid_rfd (rfd)) - return EBADF; - rfd->response_cb = response_cb; - return 0; + if (!is_valid_rfd(rfd)) + return EBADF; + rfd->response_cb = response_cb; + return 0; } /* @@ -2230,246 +2071,234 @@ rfapi_set_response_cb (struct rfapi_descriptor *rfd, * reassignment of an already-open nve to a new nve-group in the * event that its original nve-group is administratively deleted. */ -static int -rfapi_close_inner (struct rfapi_descriptor *rfd, struct bgp *bgp) +static int rfapi_close_inner(struct rfapi_descriptor *rfd, struct bgp *bgp) { - int rc; - struct prefix pfx_vn; - struct prefix_rd prd; /* currently always 0 for VN->UN */ - - if (!is_valid_rfd (rfd)) - return EBADF; - - rc = rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn); - assert (!rc); /* should never have bad AF in stored vn address */ - - /* - * update exported routes to reflect disappearance of this NVE as nexthop - */ - vnc_direct_bgp_del_nve (bgp, rfd); - vnc_zebra_del_nve (bgp, rfd); - - /* - * unlink this HD's monitors from import table - */ - rfapiMonitorDetachImportHd (rfd); - - /* - * Unlink from Import Table - * NB rfd->import_table will be NULL if we are closing a stale descriptor - */ - if (rfd->import_table) - rfapiImportTableRefDelByIt (bgp, rfd->import_table); - rfd->import_table = NULL; - - /* - * Construct route distinguisher - */ - memset (&prd, 0, sizeof (prd)); - prd = rfd->rd; - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - - /* - * withdraw tunnel - */ - del_vnc_route ( - rfd, - rfd->peer, - bgp, - SAFI_ENCAP, - &pfx_vn, /* prefix being advertised */ - &prd, /* route distinguisher to use (0 for ENCAP) */ - ZEBRA_ROUTE_BGP, - BGP_ROUTE_RFP, - NULL, - 0); /* no kill */ - - /* - * Construct route distinguisher for VPN routes - */ - prd = rfd->rd; - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - - /* - * find all VPN routes associated with this rfd and delete them, too - */ - rfapiApWithdrawAll (bgp, rfd); - - /* - * remove this nve descriptor from the list of nves - * associated with the nve group - */ - if (rfd->rfg) - { - listnode_delete (rfd->rfg->nves, rfd); - rfd->rfg = NULL; /* XXX mark as orphaned/stale */ - } - - if (rfd->rt_export_list) - ecommunity_free (&rfd->rt_export_list); - rfd->rt_export_list = NULL; - - /* - * free peer structure (possibly delayed until its - * refcount reaches zero) - */ - if (rfd->peer) - { - vnc_zlog_debug_verbose ("%s: calling peer_delete(%p), #%d", - __func__, rfd->peer, rfd->peer->lock); - peer_delete (rfd->peer); - } - rfd->peer = NULL; - - return 0; + int rc; + struct prefix pfx_vn; + struct prefix_rd prd; /* currently always 0 for VN->UN */ + + if (!is_valid_rfd(rfd)) + return EBADF; + + rc = rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn); + assert(!rc); /* should never have bad AF in stored vn address */ + + /* + * update exported routes to reflect disappearance of this NVE as + * nexthop + */ + vnc_direct_bgp_del_nve(bgp, rfd); + vnc_zebra_del_nve(bgp, rfd); + + /* + * unlink this HD's monitors from import table + */ + rfapiMonitorDetachImportHd(rfd); + + /* + * Unlink from Import Table + * NB rfd->import_table will be NULL if we are closing a stale + * descriptor + */ + if (rfd->import_table) + rfapiImportTableRefDelByIt(bgp, rfd->import_table); + rfd->import_table = NULL; + + /* + * Construct route distinguisher + */ + memset(&prd, 0, sizeof(prd)); + prd = rfd->rd; + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + /* + * withdraw tunnel + */ + del_vnc_route(rfd, rfd->peer, bgp, SAFI_ENCAP, + &pfx_vn, /* prefix being advertised */ + &prd, /* route distinguisher to use (0 for ENCAP) */ + ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, 0); /* no kill */ + + /* + * Construct route distinguisher for VPN routes + */ + prd = rfd->rd; + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + /* + * find all VPN routes associated with this rfd and delete them, too + */ + rfapiApWithdrawAll(bgp, rfd); + + /* + * remove this nve descriptor from the list of nves + * associated with the nve group + */ + if (rfd->rfg) { + listnode_delete(rfd->rfg->nves, rfd); + rfd->rfg = NULL; /* XXX mark as orphaned/stale */ + } + + if (rfd->rt_export_list) + ecommunity_free(&rfd->rt_export_list); + rfd->rt_export_list = NULL; + + /* + * free peer structure (possibly delayed until its + * refcount reaches zero) + */ + if (rfd->peer) { + vnc_zlog_debug_verbose("%s: calling peer_delete(%p), #%d", + __func__, rfd->peer, rfd->peer->lock); + peer_delete(rfd->peer); + } + rfd->peer = NULL; + + return 0; } -int -rfapi_close (void *handle) +int rfapi_close(void *handle) { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - int rc; - struct route_node *node; - struct bgp *bgp; - struct rfapi *h; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + int rc; + struct route_node *node; + struct bgp *bgp; + struct rfapi *h; - vnc_zlog_debug_verbose ("%s: rfd=%p", __func__, rfd); + vnc_zlog_debug_verbose("%s: rfd=%p", __func__, rfd); #if RFAPI_WHO_IS_CALLING_ME #ifdef HAVE_GLIBC_BACKTRACE #define RFAPI_DEBUG_BACKTRACE_NENTRIES 5 - { - void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; - char **syms; - int i; - size_t size; - - size = backtrace (buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); - syms = backtrace_symbols (buf, size); - for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; ++i) - { - vnc_zlog_debug_verbose ("backtrace[%2d]: %s", i, syms[i]); - } - free (syms); - } + { + void *buf[RFAPI_DEBUG_BACKTRACE_NENTRIES]; + char **syms; + int i; + size_t size; + + size = backtrace(buf, RFAPI_DEBUG_BACKTRACE_NENTRIES); + syms = backtrace_symbols(buf, size); + for (i = 0; i < size && i < RFAPI_DEBUG_BACKTRACE_NENTRIES; + ++i) { + vnc_zlog_debug_verbose("backtrace[%2d]: %s", i, + syms[i]); + } + free(syms); + } #endif #endif - bgp = rfd->bgp; - if (!bgp) - return ENXIO; - - h = bgp->rfapi; - if (!h) - return ENXIO; - - if (!is_valid_rfd (rfd)) - return EBADF; - - if (h->flags & RFAPI_INCALLBACK) - { - /* - * Queue these close requests for processing after callback - * is finished - */ - if (!CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) - { - work_queue_add (h->deferred_close_q, handle); - vnc_zlog_debug_verbose ("%s: added handle %p to deferred close queue", - __func__, handle); - } - return 0; - } - - if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) - { - - vnc_zlog_debug_verbose ("%s administrative close rfd=%p", __func__, rfd); - - if (h && h->rfp_methods.close_cb) - { - vnc_zlog_debug_verbose ("%s calling close callback rfd=%p", __func__, rfd); - - /* - * call the callback fairly early so that it can still lookup un/vn - * from handle, etc. - * - * NB RFAPI_INCALLBACK is tested above, so if we reach this point - * we are not already in the context of a callback. - */ - h->flags |= RFAPI_INCALLBACK; - (*h->rfp_methods.close_cb) (handle, EIDRM); - h->flags &= ~RFAPI_INCALLBACK; - } - } - - if (rfd->rfg) - { - /* - * Orphaned descriptors have already done this part, so do - * only for non-orphaned descriptors. - */ - if ((rc = rfapi_close_inner (rfd, bgp))) - return rc; - } - - /* - * Remove descriptor from UN index - * (remove from chain at node) - */ - rc = rfapi_find_node (bgp, &rfd->vn_addr, &rfd->un_addr, &node); - if (!rc) - { - struct rfapi_descriptor *hh; - - if (node->info == rfd) - { - node->info = rfd->next; - } - else - { - - for (hh = node->info; hh; hh = hh->next) - { - if (hh->next == rfd) - { - hh->next = rfd->next; - break; - } - } - } - route_unlock_node (node); - } - - /* - * remove from descriptor list - */ - listnode_delete (&h->descriptors, rfd); - - /* - * Delete monitor list items and free monitor structures - */ - (void) rfapiMonitorDelHd (rfd); - - /* - * release advertised prefix data - */ - rfapiApRelease (&rfd->advertised); - - /* - * Release RFP callback RIB - */ - rfapiRibFree (rfd); - - /* - * free descriptor - */ - memset (rfd, 0, sizeof (struct rfapi_descriptor)); - XFREE (MTYPE_RFAPI_DESC, rfd); - - return 0; + bgp = rfd->bgp; + if (!bgp) + return ENXIO; + + h = bgp->rfapi; + if (!h) + return ENXIO; + + if (!is_valid_rfd(rfd)) + return EBADF; + + if (h->flags & RFAPI_INCALLBACK) { + /* + * Queue these close requests for processing after callback + * is finished + */ + if (!CHECK_FLAG(rfd->flags, + RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { + work_queue_add(h->deferred_close_q, handle); + vnc_zlog_debug_verbose( + "%s: added handle %p to deferred close queue", + __func__, handle); + } + return 0; + } + + if (CHECK_FLAG(rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY)) { + + vnc_zlog_debug_verbose("%s administrative close rfd=%p", + __func__, rfd); + + if (h && h->rfp_methods.close_cb) { + vnc_zlog_debug_verbose( + "%s calling close callback rfd=%p", __func__, + rfd); + + /* + * call the callback fairly early so that it can still + * lookup un/vn + * from handle, etc. + * + * NB RFAPI_INCALLBACK is tested above, so if we reach + * this point + * we are not already in the context of a callback. + */ + h->flags |= RFAPI_INCALLBACK; + (*h->rfp_methods.close_cb)(handle, EIDRM); + h->flags &= ~RFAPI_INCALLBACK; + } + } + + if (rfd->rfg) { + /* + * Orphaned descriptors have already done this part, so do + * only for non-orphaned descriptors. + */ + if ((rc = rfapi_close_inner(rfd, bgp))) + return rc; + } + + /* + * Remove descriptor from UN index + * (remove from chain at node) + */ + rc = rfapi_find_node(bgp, &rfd->vn_addr, &rfd->un_addr, &node); + if (!rc) { + struct rfapi_descriptor *hh; + + if (node->info == rfd) { + node->info = rfd->next; + } else { + + for (hh = node->info; hh; hh = hh->next) { + if (hh->next == rfd) { + hh->next = rfd->next; + break; + } + } + } + route_unlock_node(node); + } + + /* + * remove from descriptor list + */ + listnode_delete(&h->descriptors, rfd); + + /* + * Delete monitor list items and free monitor structures + */ + (void)rfapiMonitorDelHd(rfd); + + /* + * release advertised prefix data + */ + rfapiApRelease(&rfd->advertised); + + /* + * Release RFP callback RIB + */ + rfapiRibFree(rfd); + + /* + * free descriptor + */ + memset(rfd, 0, sizeof(struct rfapi_descriptor)); + XFREE(MTYPE_RFAPI_DESC, rfd); + + return 0; } /* @@ -2489,580 +2318,535 @@ rfapi_close (void *handle) * caused by deleting and then adding the NVE: advertised prefixes * and nexthop lists for exported routes can turn over. */ -int -rfapi_reopen (struct rfapi_descriptor *rfd, struct bgp *bgp) +int rfapi_reopen(struct rfapi_descriptor *rfd, struct bgp *bgp) { - struct rfapi *h; - int rc; - - if ((rc = rfapi_close_inner (rfd, bgp))) - { - return rc; - } - if ((rc = rfapi_open_rfd (rfd, bgp))) - { - - h = bgp->rfapi; - - assert (!CHECK_FLAG (h->flags, RFAPI_INCALLBACK)); - - if (CHECK_FLAG (rfd->flags, RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) && - h && h->rfp_methods.close_cb) - { - - /* - * NB RFAPI_INCALLBACK is tested above, so if we reach this point - * we are not already in the context of a callback. - */ - h->flags |= RFAPI_INCALLBACK; - (*h->rfp_methods.close_cb) ((rfapi_handle) rfd, ESTALE); - h->flags &= ~RFAPI_INCALLBACK; - } - return rc; - } - return 0; + struct rfapi *h; + int rc; + + if ((rc = rfapi_close_inner(rfd, bgp))) { + return rc; + } + if ((rc = rfapi_open_rfd(rfd, bgp))) { + + h = bgp->rfapi; + + assert(!CHECK_FLAG(h->flags, RFAPI_INCALLBACK)); + + if (CHECK_FLAG(rfd->flags, + RFAPI_HD_FLAG_CLOSING_ADMINISTRATIVELY) + && h && h->rfp_methods.close_cb) { + + /* + * NB RFAPI_INCALLBACK is tested above, so if we reach + * this point + * we are not already in the context of a callback. + */ + h->flags |= RFAPI_INCALLBACK; + (*h->rfp_methods.close_cb)((rfapi_handle)rfd, ESTALE); + h->flags &= ~RFAPI_INCALLBACK; + } + return rc; + } + return 0; } /*********************************************************************** * NVE Routes ***********************************************************************/ -/* +/* * Announce reachability to this prefix via the NVE */ -int -rfapi_register ( - void *handle, - struct rfapi_ip_prefix *prefix, - uint32_t lifetime, /* host byte order */ - struct rfapi_un_option *options_un, - struct rfapi_vn_option *options_vn, - rfapi_register_action action) +int rfapi_register(void *handle, struct rfapi_ip_prefix *prefix, + uint32_t lifetime, /* host byte order */ + struct rfapi_un_option *options_un, + struct rfapi_vn_option *options_vn, + rfapi_register_action action) { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - struct bgp *bgp; - struct prefix p; - struct prefix *pfx_ip = NULL; - struct prefix_rd prd; - int afi; - struct prefix pfx_mac_buf; - struct prefix *pfx_mac = NULL; - struct prefix pfx_vn_buf; - const char *action_str = NULL; - uint32_t *label = NULL; - struct rfapi_vn_option *vo; - struct rfapi_l2address_option *l2o = NULL; - struct prefix_rd *prd_override = NULL; - - switch (action) - { - case RFAPI_REGISTER_ADD: - action_str = "add"; - break; - case RFAPI_REGISTER_WITHDRAW: - action_str = "withdraw"; - break; - case RFAPI_REGISTER_KILL: - action_str = "kill"; - break; - default: - assert (0); - break; - } - - /* - * Inspect VN options - */ - for (vo = options_vn; vo; vo = vo->next) - { - if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) - { - l2o = &vo->v.l2addr; - } - if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) - { - prd_override = &vo->v.internal_rd; - } - } - - /********************************************************************* - * advertise prefix - *********************************************************************/ - - /* - * set <p> based on <prefix> - */ - assert (!rfapiRprefix2Qprefix (prefix, &p)); - - afi = family2afi (prefix->prefix.addr_family); - assert (afi); - - - { - char buf[BUFSIZ]; - - prefix2str (&p, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ - vnc_zlog_debug_verbose - ("%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", - __func__, rfd, buf, lifetime, options_un, options_vn, action_str); - } - - /* - * These tests come after the prefix conversion so that we can - * print the prefix in a debug message before failing - */ - - bgp = rfd->bgp; - if (!bgp) - { - vnc_zlog_debug_verbose ("%s: no BGP instance: returning ENXIO", __func__); - return ENXIO; - } - if (!bgp->rfapi) - { - vnc_zlog_debug_verbose ("%s: no RFAPI instance: returning ENXIO", __func__); - return ENXIO; - } - if (!rfd->rfg) - { - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations_failed; - } - vnc_zlog_debug_verbose ("%s: rfd=%p, no RF GRP instance: returning ESTALE", - __func__, rfd); - return ESTALE; - } - - if (bgp->rfapi->flags & RFAPI_INCALLBACK) - { - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations_failed; - } - vnc_zlog_debug_verbose ("%s: in callback: returning EDEADLK", __func__); - return EDEADLK; - } - - if (!is_valid_rfd (rfd)) - { - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations_failed; - } - vnc_zlog_debug_verbose ("%s: invalid handle: returning EBADF", __func__); - return EBADF; - } - - /* - * Is there a MAC address in this registration? - */ - if (l2o && !RFAPI_0_ETHERADDR (&l2o->macaddr)) - { - rfapiL2o2Qprefix (l2o, &pfx_mac_buf); - pfx_mac = &pfx_mac_buf; - } - - /* - * Is there an IP prefix in this registration? - */ - if (!(RFAPI_0_PREFIX (&p) && RFAPI_HOST_PREFIX (&p))) - { - pfx_ip = &p; - } - else - { - if (!pfx_mac) - { - vnc_zlog_debug_verbose ("%s: missing mac addr that is required for host 0 pfx", - __func__); - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations_failed; - } - return EINVAL; - } - if (rfapiRaddr2Qprefix (&rfd->vn_addr, &pfx_vn_buf)) - { - vnc_zlog_debug_verbose ("%s: handle has bad vn_addr: returning EBADF", - __func__); - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations_failed; - } - return EBADF; - } - } - - if (RFAPI_REGISTER_ADD == action) - { - ++bgp->rfapi->stat.count_registrations; - } - - /* - * Figure out if this registration is missing an IP address - * - * MAC-addr based: - * - * In RFAPI, we use prefixes in family AF_LINK to store - * the MAC addresses. These prefixes are used for the - * list of advertised prefixes and in the RFAPI import - * tables. - * - * In BGP proper, we use the prefix matching the NVE's - * VN address with a host prefix-length (i.e., 32 or 128). - * - */ - if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX (&p) && - RFAPI_HOST_PREFIX (&p)) - { - - rfapiL2o2Qprefix (l2o, &pfx_mac_buf); - pfx_mac = &pfx_mac_buf; - } - - /* - * Construct route distinguisher - */ - if (prd_override) - { - prd = *prd_override; - } - else - { - memset (&prd, 0, sizeof (prd)); - if (pfx_mac) - { - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - encode_rd_type(RD_TYPE_VNC_ETH, prd.val); - if (l2o->local_nve_id || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) - { - /* - * If Local NVE ID is specified in message, use it. - * (if no local default configured, also use it even if 0) - */ - prd.val[1] = l2o->local_nve_id; - } - else - { - if (rfd->rfg->l2rd) - { - /* - * locally-configured literal value - */ - prd.val[1] = rfd->rfg->l2rd; - } - else - { - /* - * 0 means auto:vn, which means use LSB of VN addr - */ - if (rfd->vn_addr.addr_family == AF_INET) - { - prd.val[1] = - *(((char *) &rfd->vn_addr.addr.v4.s_addr) + 3); - } - else - { - prd.val[1] = - *(((char *) &rfd->vn_addr.addr.v6.s6_addr) + 15); - } - } - } - memcpy (prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); - } - else - { - prd = rfd->rd; - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - } - } - - - if (action == RFAPI_REGISTER_WITHDRAW || action == RFAPI_REGISTER_KILL) - { - - int adv_tunnel = 0; - - /* - * withdraw previous advertisement - */ - del_vnc_route ( - rfd, - rfd->peer, - bgp, - SAFI_MPLS_VPN, - pfx_ip ? pfx_ip : &pfx_vn_buf, /* prefix being advertised */ - &prd, /* route distinguisher (0 for ENCAP) */ - ZEBRA_ROUTE_BGP, - BGP_ROUTE_RFP, - NULL, - action == RFAPI_REGISTER_KILL); - - if (0 == rfapiApDelete (bgp, rfd, &p, pfx_mac, &prd, &adv_tunnel)) - { - if (adv_tunnel) - rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); - } - - } - else - { - - int adv_tunnel = 0; - uint32_t local_pref; - struct ecommunity *rtlist = NULL; - struct ecommunity_val ecom_value; - - if (!rfapiApCount (rfd)) - { - /* - * make sure we advertise tunnel route upon adding the - * first VPN route - */ - adv_tunnel = 1; - } - - if (rfapiApAdd (bgp, rfd, &p, pfx_mac, &prd, lifetime, prefix->cost, - l2o)) - { - adv_tunnel = 1; - } - - vnc_zlog_debug_verbose ("%s: adv_tunnel = %d", __func__, adv_tunnel); - if (adv_tunnel) - { - vnc_zlog_debug_verbose ("%s: announcing tunnel route", __func__); - rfapiTunnelRouteAnnounce (bgp, rfd, &rfd->max_prefix_lifetime); - } - - vnc_zlog_debug_verbose ("%s: calling add_vnc_route", __func__); - - local_pref = rfp_cost_to_localpref (prefix->cost); - - if (l2o && l2o->label) - label = &l2o->label; - - if (pfx_mac) - { - struct ecommunity *l2com = NULL; - - if (label) - { - l2com = bgp_rfapi_get_ecommunity_by_lni_label (bgp, 1, - l2o->logical_net_id, - *label); - } - if (l2com) - { - rtlist = ecommunity_dup (l2com); - } - else - { - /* - * If mac address is set, add an RT based on the registered LNI - */ - memset ((char *) &ecom_value, 0, sizeof (ecom_value)); - ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; - ecom_value.val[5] = (l2o->logical_net_id >> 16) & 0xff; - ecom_value.val[6] = (l2o->logical_net_id >> 8) & 0xff; - ecom_value.val[7] = (l2o->logical_net_id >> 0) & 0xff; - rtlist = ecommunity_new(); - ecommunity_add_val (rtlist, &ecom_value); - } - if (l2o->tag_id) - { - as_t as = bgp->as; - uint16_t val = l2o->tag_id; - memset ((char *) &ecom_value, 0, sizeof (ecom_value)); - ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; - if (as > BGP_AS_MAX) - { - ecom_value.val[0] = ECOMMUNITY_ENCODE_AS4; - ecom_value.val[2] = (as >>24) & 0xff; - ecom_value.val[3] = (as >>16) & 0xff; - ecom_value.val[4] = (as >>8) & 0xff; - ecom_value.val[5] = as & 0xff; - } - else - { - ecom_value.val[0] = ECOMMUNITY_ENCODE_AS; - ecom_value.val[2] = (as >>8) & 0xff; - ecom_value.val[3] = as & 0xff; - } - ecom_value.val[6] = (val >> 8) & 0xff; - ecom_value.val[7] = val & 0xff; - if (rtlist == NULL) - rtlist = ecommunity_new(); - ecommunity_add_val (rtlist, &ecom_value); - } - } - - /* - * advertise prefix via tunnel endpoint - */ - add_vnc_route ( - rfd, /* rfapi descr, for export list & backref */ - bgp, /* which bgp instance */ - SAFI_MPLS_VPN, /* which SAFI */ - (pfx_ip ? pfx_ip : &pfx_vn_buf), /* prefix being advertised */ - &prd, /* route distinguisher to use (0 for ENCAP) */ - &rfd->vn_addr, /* nexthop */ - &local_pref, - &lifetime, /* prefix lifetime -> Tunnel Encap attr */ - NULL, - options_un, /* rfapi un options */ - options_vn, /* rfapi vn options */ - (rtlist ? rtlist : rfd->rt_export_list), - NULL, /* med */ - label, /* label: default */ - ZEBRA_ROUTE_BGP, - BGP_ROUTE_RFP, - 0); - - if (rtlist) - ecommunity_free (&rtlist); /* sets rtlist = NULL */ - } - - vnc_zlog_debug_verbose ("%s: success", __func__); - return 0; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + struct bgp *bgp; + struct prefix p; + struct prefix *pfx_ip = NULL; + struct prefix_rd prd; + int afi; + struct prefix pfx_mac_buf; + struct prefix *pfx_mac = NULL; + struct prefix pfx_vn_buf; + const char *action_str = NULL; + uint32_t *label = NULL; + struct rfapi_vn_option *vo; + struct rfapi_l2address_option *l2o = NULL; + struct prefix_rd *prd_override = NULL; + + switch (action) { + case RFAPI_REGISTER_ADD: + action_str = "add"; + break; + case RFAPI_REGISTER_WITHDRAW: + action_str = "withdraw"; + break; + case RFAPI_REGISTER_KILL: + action_str = "kill"; + break; + default: + assert(0); + break; + } + + /* + * Inspect VN options + */ + for (vo = options_vn; vo; vo = vo->next) { + if (RFAPI_VN_OPTION_TYPE_L2ADDR == vo->type) { + l2o = &vo->v.l2addr; + } + if (RFAPI_VN_OPTION_TYPE_INTERNAL_RD == vo->type) { + prd_override = &vo->v.internal_rd; + } + } + + /********************************************************************* + * advertise prefix + *********************************************************************/ + + /* + * set <p> based on <prefix> + */ + assert(!rfapiRprefix2Qprefix(prefix, &p)); + + afi = family2afi(prefix->prefix.addr_family); + assert(afi); + + + { + char buf[BUFSIZ]; + + prefix2str(&p, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; /* guarantee NUL-terminated */ + vnc_zlog_debug_verbose( + "%s(rfd=%p, pfx=%s, lifetime=%d, opts_un=%p, opts_vn=%p, action=%s)", + __func__, rfd, buf, lifetime, options_un, options_vn, + action_str); + } + + /* + * These tests come after the prefix conversion so that we can + * print the prefix in a debug message before failing + */ + + bgp = rfd->bgp; + if (!bgp) { + vnc_zlog_debug_verbose("%s: no BGP instance: returning ENXIO", + __func__); + return ENXIO; + } + if (!bgp->rfapi) { + vnc_zlog_debug_verbose("%s: no RFAPI instance: returning ENXIO", + __func__); + return ENXIO; + } + if (!rfd->rfg) { + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations_failed; + } + vnc_zlog_debug_verbose( + "%s: rfd=%p, no RF GRP instance: returning ESTALE", + __func__, rfd); + return ESTALE; + } + + if (bgp->rfapi->flags & RFAPI_INCALLBACK) { + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations_failed; + } + vnc_zlog_debug_verbose("%s: in callback: returning EDEADLK", + __func__); + return EDEADLK; + } + + if (!is_valid_rfd(rfd)) { + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations_failed; + } + vnc_zlog_debug_verbose("%s: invalid handle: returning EBADF", + __func__); + return EBADF; + } + + /* + * Is there a MAC address in this registration? + */ + if (l2o && !RFAPI_0_ETHERADDR(&l2o->macaddr)) { + rfapiL2o2Qprefix(l2o, &pfx_mac_buf); + pfx_mac = &pfx_mac_buf; + } + + /* + * Is there an IP prefix in this registration? + */ + if (!(RFAPI_0_PREFIX(&p) && RFAPI_HOST_PREFIX(&p))) { + pfx_ip = &p; + } else { + if (!pfx_mac) { + vnc_zlog_debug_verbose( + "%s: missing mac addr that is required for host 0 pfx", + __func__); + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations_failed; + } + return EINVAL; + } + if (rfapiRaddr2Qprefix(&rfd->vn_addr, &pfx_vn_buf)) { + vnc_zlog_debug_verbose( + "%s: handle has bad vn_addr: returning EBADF", + __func__); + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations_failed; + } + return EBADF; + } + } + + if (RFAPI_REGISTER_ADD == action) { + ++bgp->rfapi->stat.count_registrations; + } + + /* + * Figure out if this registration is missing an IP address + * + * MAC-addr based: + * + * In RFAPI, we use prefixes in family AF_LINK to store + * the MAC addresses. These prefixes are used for the + * list of advertised prefixes and in the RFAPI import + * tables. + * + * In BGP proper, we use the prefix matching the NVE's + * VN address with a host prefix-length (i.e., 32 or 128). + * + */ + if (l2o && l2o->logical_net_id && RFAPI_0_PREFIX(&p) + && RFAPI_HOST_PREFIX(&p)) { + + rfapiL2o2Qprefix(l2o, &pfx_mac_buf); + pfx_mac = &pfx_mac_buf; + } + + /* + * Construct route distinguisher + */ + if (prd_override) { + prd = *prd_override; + } else { + memset(&prd, 0, sizeof(prd)); + if (pfx_mac) { + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + encode_rd_type(RD_TYPE_VNC_ETH, prd.val); + if (l2o->local_nve_id + || !(rfd->rfg->flags & RFAPI_RFG_L2RD)) { + /* + * If Local NVE ID is specified in message, use + * it. + * (if no local default configured, also use it + * even if 0) + */ + prd.val[1] = l2o->local_nve_id; + } else { + if (rfd->rfg->l2rd) { + /* + * locally-configured literal value + */ + prd.val[1] = rfd->rfg->l2rd; + } else { + /* + * 0 means auto:vn, which means use LSB + * of VN addr + */ + if (rfd->vn_addr.addr_family + == AF_INET) { + prd.val[1] = + *(((char *)&rfd->vn_addr + .addr.v4 + .s_addr) + + 3); + } else { + prd.val[1] = + *(((char *)&rfd->vn_addr + .addr.v6 + .s6_addr) + + 15); + } + } + } + memcpy(prd.val + 2, pfx_mac->u.prefix_eth.octet, 6); + } else { + prd = rfd->rd; + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + } + } + + + if (action == RFAPI_REGISTER_WITHDRAW + || action == RFAPI_REGISTER_KILL) { + + int adv_tunnel = 0; + + /* + * withdraw previous advertisement + */ + del_vnc_route( + rfd, rfd->peer, bgp, SAFI_MPLS_VPN, + pfx_ip ? pfx_ip + : &pfx_vn_buf, /* prefix being advertised */ + &prd, /* route distinguisher (0 for ENCAP) */ + ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, NULL, + action == RFAPI_REGISTER_KILL); + + if (0 == rfapiApDelete(bgp, rfd, &p, pfx_mac, &prd, + &adv_tunnel)) { + if (adv_tunnel) + rfapiTunnelRouteAnnounce( + bgp, rfd, &rfd->max_prefix_lifetime); + } + + } else { + + int adv_tunnel = 0; + uint32_t local_pref; + struct ecommunity *rtlist = NULL; + struct ecommunity_val ecom_value; + + if (!rfapiApCount(rfd)) { + /* + * make sure we advertise tunnel route upon adding the + * first VPN route + */ + adv_tunnel = 1; + } + + if (rfapiApAdd(bgp, rfd, &p, pfx_mac, &prd, lifetime, + prefix->cost, l2o)) { + adv_tunnel = 1; + } + + vnc_zlog_debug_verbose("%s: adv_tunnel = %d", __func__, + adv_tunnel); + if (adv_tunnel) { + vnc_zlog_debug_verbose("%s: announcing tunnel route", + __func__); + rfapiTunnelRouteAnnounce(bgp, rfd, + &rfd->max_prefix_lifetime); + } + + vnc_zlog_debug_verbose("%s: calling add_vnc_route", __func__); + + local_pref = rfp_cost_to_localpref(prefix->cost); + + if (l2o && l2o->label) + label = &l2o->label; + + if (pfx_mac) { + struct ecommunity *l2com = NULL; + + if (label) { + l2com = bgp_rfapi_get_ecommunity_by_lni_label( + bgp, 1, l2o->logical_net_id, *label); + } + if (l2com) { + rtlist = ecommunity_dup(l2com); + } else { + /* + * If mac address is set, add an RT based on the + * registered LNI + */ + memset((char *)&ecom_value, 0, + sizeof(ecom_value)); + ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; + ecom_value.val[5] = + (l2o->logical_net_id >> 16) & 0xff; + ecom_value.val[6] = + (l2o->logical_net_id >> 8) & 0xff; + ecom_value.val[7] = + (l2o->logical_net_id >> 0) & 0xff; + rtlist = ecommunity_new(); + ecommunity_add_val(rtlist, &ecom_value); + } + if (l2o->tag_id) { + as_t as = bgp->as; + uint16_t val = l2o->tag_id; + memset((char *)&ecom_value, 0, + sizeof(ecom_value)); + ecom_value.val[1] = ECOMMUNITY_ROUTE_TARGET; + if (as > BGP_AS_MAX) { + ecom_value.val[0] = + ECOMMUNITY_ENCODE_AS4; + ecom_value.val[2] = (as >> 24) & 0xff; + ecom_value.val[3] = (as >> 16) & 0xff; + ecom_value.val[4] = (as >> 8) & 0xff; + ecom_value.val[5] = as & 0xff; + } else { + ecom_value.val[0] = + ECOMMUNITY_ENCODE_AS; + ecom_value.val[2] = (as >> 8) & 0xff; + ecom_value.val[3] = as & 0xff; + } + ecom_value.val[6] = (val >> 8) & 0xff; + ecom_value.val[7] = val & 0xff; + if (rtlist == NULL) + rtlist = ecommunity_new(); + ecommunity_add_val(rtlist, &ecom_value); + } + } + + /* + * advertise prefix via tunnel endpoint + */ + add_vnc_route( + rfd, /* rfapi descr, for export list & backref */ + bgp, /* which bgp instance */ + SAFI_MPLS_VPN, /* which SAFI */ + (pfx_ip ? pfx_ip + : &pfx_vn_buf), /* prefix being advertised */ + &prd, /* route distinguisher to use (0 for ENCAP) */ + &rfd->vn_addr, /* nexthop */ + &local_pref, + &lifetime, /* prefix lifetime -> Tunnel Encap attr */ + NULL, options_un, /* rfapi un options */ + options_vn, /* rfapi vn options */ + (rtlist ? rtlist : rfd->rt_export_list), NULL, /* med */ + label, /* label: default */ + ZEBRA_ROUTE_BGP, BGP_ROUTE_RFP, 0); + + if (rtlist) + ecommunity_free(&rtlist); /* sets rtlist = NULL */ + } + + vnc_zlog_debug_verbose("%s: success", __func__); + return 0; } -int -rfapi_query ( - void *handle, - struct rfapi_ip_addr *target, - struct rfapi_l2address_option *l2o, /* may be NULL */ - struct rfapi_next_hop_entry **ppNextHopEntry) +int rfapi_query(void *handle, struct rfapi_ip_addr *target, + struct rfapi_l2address_option *l2o, /* may be NULL */ + struct rfapi_next_hop_entry **ppNextHopEntry) { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - struct bgp *bgp = rfd->bgp; - int rc; - - assert (ppNextHopEntry); - *ppNextHopEntry = NULL; - - if (bgp && bgp->rfapi) - { - bgp->rfapi->stat.count_queries++; - } - - if (!rfd->rfg) - { - if (bgp && bgp->rfapi) - ++bgp->rfapi->stat.count_queries_failed; - return ESTALE; - } - - if ((rc = rfapi_query_inner (handle, target, l2o, ppNextHopEntry))) - { - if (bgp && bgp->rfapi) - ++bgp->rfapi->stat.count_queries_failed; - } - return rc; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + struct bgp *bgp = rfd->bgp; + int rc; + + assert(ppNextHopEntry); + *ppNextHopEntry = NULL; + + if (bgp && bgp->rfapi) { + bgp->rfapi->stat.count_queries++; + } + + if (!rfd->rfg) { + if (bgp && bgp->rfapi) + ++bgp->rfapi->stat.count_queries_failed; + return ESTALE; + } + + if ((rc = rfapi_query_inner(handle, target, l2o, ppNextHopEntry))) { + if (bgp && bgp->rfapi) + ++bgp->rfapi->stat.count_queries_failed; + } + return rc; } -int -rfapi_query_done (rfapi_handle handle, struct rfapi_ip_addr *target) +int rfapi_query_done(rfapi_handle handle, struct rfapi_ip_addr *target) { - struct prefix p; - int rc; - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - struct bgp *bgp = rfd->bgp; + struct prefix p; + int rc; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + struct bgp *bgp = rfd->bgp; - if (!rfd->rfg) - return ESTALE; + if (!rfd->rfg) + return ESTALE; - assert (target); - rc = rfapiRaddr2Qprefix (target, &p); - assert (!rc); + assert(target); + rc = rfapiRaddr2Qprefix(target, &p); + assert(!rc); - if (!is_valid_rfd (rfd)) - return EBADF; + if (!is_valid_rfd(rfd)) + return EBADF; - /* preemptive */ - if (!bgp || !bgp->rfapi) - return ENXIO; + /* preemptive */ + if (!bgp || !bgp->rfapi) + return ENXIO; - if (bgp->rfapi->flags & RFAPI_INCALLBACK) - return EDEADLK; + if (bgp->rfapi->flags & RFAPI_INCALLBACK) + return EDEADLK; - rfapiMonitorDel (bgp, rfd, &p); + rfapiMonitorDel(bgp, rfd, &p); - return 0; + return 0; } -int -rfapi_query_done_all (rfapi_handle handle, int *count) +int rfapi_query_done_all(rfapi_handle handle, int *count) { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - struct bgp *bgp = rfd->bgp;; - int num; + struct rfapi_descriptor *rfd = (struct rfapi_descriptor *)handle; + struct bgp *bgp = rfd->bgp; + ; + int num; - if (!rfd->rfg) - return ESTALE; + if (!rfd->rfg) + return ESTALE; - if (!is_valid_rfd (rfd)) - return EBADF; + if (!is_valid_rfd(rfd)) + return EBADF; - /* preemptive */ - if (!bgp || !bgp->rfapi) - return ENXIO; + /* preemptive */ + if (!bgp || !bgp->rfapi) + return ENXIO; - if (bgp->rfapi->flags & RFAPI_INCALLBACK) - return EDEADLK; + if (bgp->rfapi->flags & RFAPI_INCALLBACK) + return EDEADLK; - num = rfapiMonitorDelHd (rfd); + num = rfapiMonitorDelHd(rfd); - if (count) - *count = num; + if (count) + *count = num; - return 0; + return 0; } -void -rfapi_free_next_hop_list (struct rfapi_next_hop_entry *list) +void rfapi_free_next_hop_list(struct rfapi_next_hop_entry *list) { - struct rfapi_next_hop_entry *nh; - struct rfapi_next_hop_entry *next; - - for (nh = list; nh; nh = next) - { - next = nh->next; - rfapi_un_options_free (nh->un_options); - nh->un_options = NULL; - rfapi_vn_options_free (nh->vn_options); - nh->vn_options = NULL; - XFREE (MTYPE_RFAPI_NEXTHOP, nh); - } + struct rfapi_next_hop_entry *nh; + struct rfapi_next_hop_entry *next; + + for (nh = list; nh; nh = next) { + next = nh->next; + rfapi_un_options_free(nh->un_options); + nh->un_options = NULL; + rfapi_vn_options_free(nh->vn_options); + nh->vn_options = NULL; + XFREE(MTYPE_RFAPI_NEXTHOP, nh); + } } /* * NULL handle => return total count across all nves */ -uint32_t -rfapi_monitor_count (void *handle) +uint32_t rfapi_monitor_count(void *handle) { - struct bgp *bgp = bgp_get_default (); - uint32_t count; + struct bgp *bgp = bgp_get_default(); + uint32_t count; - if (handle) - { - struct rfapi_descriptor *rfd = (struct rfapi_descriptor *) handle; - count = rfd->monitor_count; - } - else - { + if (handle) { + struct rfapi_descriptor *rfd = + (struct rfapi_descriptor *)handle; + count = rfd->monitor_count; + } else { - if (!bgp || !bgp->rfapi) - return 0; + if (!bgp || !bgp->rfapi) + return 0; - count = bgp->rfapi->monitor_count; - } + count = bgp->rfapi->monitor_count; + } - return count; + return count; } /*********************************************************************** @@ -3077,8 +2861,8 @@ DEFUN (debug_rfapi_show_nves, SHOW_STR "NVE Information\n") { - rfapiPrintMatchingDescriptors (vty, NULL, NULL); - return CMD_SUCCESS; + rfapiPrintMatchingDescriptors(vty, NULL, NULL); + return CMD_SUCCESS; } DEFUN ( @@ -3094,28 +2878,23 @@ DEFUN ( "IPv4 address\n" "IPv6 address\n") { - struct prefix pfx; - - if (!str2prefix (argv[5]->arg, &pfx)) - { - vty_out (vty, "Malformed address \"%s\"\n", argv[5]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - if (pfx.family != AF_INET && pfx.family != AF_INET6) - { - vty_out (vty, "Invalid address \"%s\"\n", argv[5]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - if (argv[4]->arg[0] == 'u') - { - rfapiPrintMatchingDescriptors (vty, NULL, &pfx); - } - else - { - rfapiPrintMatchingDescriptors (vty, &pfx, NULL); - } - return CMD_SUCCESS; + struct prefix pfx; + + if (!str2prefix(argv[5]->arg, &pfx)) { + vty_out(vty, "Malformed address \"%s\"\n", argv[5]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (pfx.family != AF_INET && pfx.family != AF_INET6) { + vty_out(vty, "Invalid address \"%s\"\n", argv[5]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + if (argv[4]->arg[0] == 'u') { + rfapiPrintMatchingDescriptors(vty, NULL, &pfx); + } else { + rfapiPrintMatchingDescriptors(vty, &pfx, NULL); + } + return CMD_SUCCESS; } /* @@ -3123,29 +2902,27 @@ DEFUN ( * with a stream pointing to a vty, the user will have to type something * before the callback output shows up */ -static void -test_nexthops_callback ( -// struct rfapi_ip_addr *target, - struct rfapi_next_hop_entry *next_hops, - void *userdata) +static void test_nexthops_callback( + // struct rfapi_ip_addr *target, + struct rfapi_next_hop_entry *next_hops, void *userdata) { - void *stream = userdata; + void *stream = userdata; - int (*fp) (void *, const char *, ...); - struct vty *vty; - void *out; - const char *vty_newline; + int (*fp)(void *, const char *, ...); + struct vty *vty; + void *out; + const char *vty_newline; - if (rfapiStream2Vty (stream, &fp, &vty, &out, &vty_newline) == 0) - return; + if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0) + return; - fp (out, "Nexthops Callback, Target=("); - //rfapiPrintRfapiIpAddr(stream, target); - fp (out, ")\n"); + fp(out, "Nexthops Callback, Target=("); + // rfapiPrintRfapiIpAddr(stream, target); + fp(out, ")\n"); - rfapiPrintNhl (stream, next_hops); + rfapiPrintNhl(stream, next_hops); - rfapi_free_next_hop_list (next_hops); + rfapi_free_next_hop_list(next_hops); } DEFUN (debug_rfapi_open, @@ -3161,35 +2938,35 @@ DEFUN (debug_rfapi_open, "underlay network interface IPv4 address\n" "underlay network interface IPv6 address\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - uint32_t lifetime; - int rc; - rfapi_handle handle; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + uint32_t lifetime; + int rc; + rfapi_handle handle; - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; - rc = rfapi_open (rfapi_get_rfp_start_val_by_bgp (bgp_get_default ()), - &vn, &un, /*&uo */ NULL, &lifetime, NULL, &handle); + rc = rfapi_open(rfapi_get_rfp_start_val_by_bgp(bgp_get_default()), &vn, + &un, /*&uo */ NULL, &lifetime, NULL, &handle); - vty_out (vty, "rfapi_open: status %d, handle %p, lifetime %d\n", - rc, handle, lifetime); + vty_out(vty, "rfapi_open: status %d, handle %p, lifetime %d\n", rc, + handle, lifetime); - rc = rfapi_set_response_cb (handle, test_nexthops_callback); + rc = rfapi_set_response_cb(handle, test_nexthops_callback); - vty_out (vty, "rfapi_set_response_cb: status %d\n", rc); + vty_out(vty, "rfapi_set_response_cb: status %d\n", rc); - return CMD_SUCCESS; + return CMD_SUCCESS; } @@ -3206,37 +2983,36 @@ DEFUN (debug_rfapi_close_vn_un, "underlay network interface IPv4 address\n" "underlay network interface IPv6 address\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - rfapi_handle handle; - int rc; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + rfapi_handle handle; + int rc; - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } - rc = rfapi_close (handle); + rc = rfapi_close(handle); - vty_out (vty, "rfapi_close(handle=%p): status %d\n", handle,rc); + vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN (debug_rfapi_close_rfd, @@ -3247,23 +3023,22 @@ DEFUN (debug_rfapi_close_rfd, "rfapi_close\n" "indicate handle follows\n" "rfapi handle in hexadecimal\n") { - rfapi_handle handle; - int rc; - char *endptr = NULL; + rfapi_handle handle; + int rc; + char *endptr = NULL; - handle = (rfapi_handle) (uintptr_t) (strtoull (argv[4]->arg, &endptr, 16)); + handle = (rfapi_handle)(uintptr_t)(strtoull(argv[4]->arg, &endptr, 16)); - if (*endptr != '\0' || (uintptr_t) handle == UINTPTR_MAX) - { - vty_out (vty, "Invalid value: %s\n", argv[4]->arg); - return CMD_WARNING_CONFIG_FAILED; - } + if (*endptr != '\0' || (uintptr_t)handle == UINTPTR_MAX) { + vty_out(vty, "Invalid value: %s\n", argv[4]->arg); + return CMD_WARNING_CONFIG_FAILED; + } - rc = rfapi_close (handle); + rc = rfapi_close(handle); - vty_out (vty, "rfapi_close(handle=%p): status %d\n", handle,rc); + vty_out(vty, "rfapi_close(handle=%p): status %d\n", handle, rc); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN (debug_rfapi_register_vn_un, @@ -3284,68 +3059,61 @@ DEFUN (debug_rfapi_register_vn_un, "indicate lifetime follows\n" "lifetime\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - rfapi_handle handle; - struct prefix pfx; - uint32_t lifetime; - struct rfapi_ip_prefix hpfx; - int rc; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; - - - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * Get prefix to advertise - */ - if (!str2prefix (argv[8]->arg, &pfx)) - { - vty_out (vty, "Malformed prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - if (pfx.family != AF_INET && pfx.family != AF_INET6) - { - vty_out (vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - rfapiQprefix2Rprefix (&pfx, &hpfx); - - if (strmatch(argv[10]->text, "infinite")) - { - lifetime = RFAPI_INFINITE_LIFETIME; - } - else - { - lifetime = strtoul(argv[10]->arg, NULL, 10); - } - - - rc = rfapi_register (handle, &hpfx, lifetime, NULL, NULL, 0); - if (rc) - { - vty_out (vty, "rfapi_register failed with rc=%d (%s)\n", rc, - strerror(rc)); - } - - return CMD_SUCCESS; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + rfapi_handle handle; + struct prefix pfx; + uint32_t lifetime; + struct rfapi_ip_prefix hpfx; + int rc; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; + + + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * Get prefix to advertise + */ + if (!str2prefix(argv[8]->arg, &pfx)) { + vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (pfx.family != AF_INET && pfx.family != AF_INET6) { + vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + rfapiQprefix2Rprefix(&pfx, &hpfx); + + if (strmatch(argv[10]->text, "infinite")) { + lifetime = RFAPI_INFINITE_LIFETIME; + } else { + lifetime = strtoul(argv[10]->arg, NULL, 10); + } + + + rc = rfapi_register(handle, &hpfx, lifetime, NULL, NULL, 0); + if (rc) { + vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, + strerror(rc)); + } + + return CMD_SUCCESS; } DEFUN (debug_rfapi_register_vn_un_l2o, @@ -3370,91 +3138,82 @@ DEFUN (debug_rfapi_register_vn_un_l2o, "indicate lni follows\n" "lni value range\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - rfapi_handle handle; - struct prefix pfx; - uint32_t lifetime; - struct rfapi_ip_prefix hpfx; - int rc; - struct rfapi_vn_option optary[10]; /* XXX must be big enough */ - struct rfapi_vn_option *opt = NULL; - int opt_next = 0; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; - - - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * Get prefix to advertise - */ - if (!str2prefix (argv[8]->arg, &pfx)) - { - vty_out (vty, "Malformed prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - if (pfx.family != AF_INET && pfx.family != AF_INET6) - { - vty_out (vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - rfapiQprefix2Rprefix (&pfx, &hpfx); - - if (strmatch(argv[10]->text, "infinite")) - { - lifetime = RFAPI_INFINITE_LIFETIME; - } - else - { - lifetime = strtoul(argv[10]->arg, NULL, 10); - } - - /* L2 option parsing START */ - memset (optary, 0, sizeof (optary)); - optary[opt_next].v.l2addr.logical_net_id = strtoul(argv[14]->arg, NULL, 10); - if ((rc = rfapiStr2EthAddr (argv[12]->arg, &optary[opt_next].v.l2addr.macaddr))) - { - vty_out (vty, "Bad mac address \"%s\"\n", argv[12]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; - if (opt_next) - { - optary[opt_next - 1].next = optary + opt_next; - } - else - { - opt = optary; - } - ++opt_next; - /* L2 option parsing END */ - - /* TBD fixme */ - rc = rfapi_register (handle, &hpfx, lifetime, NULL /* &uo */ , opt, 0); - if (rc) - { - vty_out (vty, "rfapi_register failed with rc=%d (%s)\n", rc, - strerror(rc)); - } - - return CMD_SUCCESS; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + rfapi_handle handle; + struct prefix pfx; + uint32_t lifetime; + struct rfapi_ip_prefix hpfx; + int rc; + struct rfapi_vn_option optary[10]; /* XXX must be big enough */ + struct rfapi_vn_option *opt = NULL; + int opt_next = 0; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; + + + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * Get prefix to advertise + */ + if (!str2prefix(argv[8]->arg, &pfx)) { + vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (pfx.family != AF_INET && pfx.family != AF_INET6) { + vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + rfapiQprefix2Rprefix(&pfx, &hpfx); + + if (strmatch(argv[10]->text, "infinite")) { + lifetime = RFAPI_INFINITE_LIFETIME; + } else { + lifetime = strtoul(argv[10]->arg, NULL, 10); + } + + /* L2 option parsing START */ + memset(optary, 0, sizeof(optary)); + optary[opt_next].v.l2addr.logical_net_id = + strtoul(argv[14]->arg, NULL, 10); + if ((rc = rfapiStr2EthAddr(argv[12]->arg, + &optary[opt_next].v.l2addr.macaddr))) { + vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + optary[opt_next].type = RFAPI_VN_OPTION_TYPE_L2ADDR; + if (opt_next) { + optary[opt_next - 1].next = optary + opt_next; + } else { + opt = optary; + } + ++opt_next; + /* L2 option parsing END */ + + /* TBD fixme */ + rc = rfapi_register(handle, &hpfx, lifetime, NULL /* &uo */, opt, 0); + if (rc) { + vty_out(vty, "rfapi_register failed with rc=%d (%s)\n", rc, + strerror(rc)); + } + + return CMD_SUCCESS; } @@ -3470,52 +3229,49 @@ DEFUN (debug_rfapi_unregister_vn_un, "underlay network interface address\n" "indicate prefix follows\n" "prefix") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - rfapi_handle handle; - struct prefix pfx; - struct rfapi_ip_prefix hpfx; - int rc; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; - - - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * Get prefix to advertise - */ - if (!str2prefix (argv[8]->arg, &pfx)) - { - vty_out (vty, "Malformed prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - if (pfx.family != AF_INET && pfx.family != AF_INET6) - { - vty_out (vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - rfapiQprefix2Rprefix (&pfx, &hpfx); - - rfapi_register (handle, &hpfx, 0, NULL, NULL, 1); - - return CMD_SUCCESS; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + rfapi_handle handle; + struct prefix pfx; + struct rfapi_ip_prefix hpfx; + int rc; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; + + + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * Get prefix to advertise + */ + if (!str2prefix(argv[8]->arg, &pfx)) { + vty_out(vty, "Malformed prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + if (pfx.family != AF_INET && pfx.family != AF_INET6) { + vty_out(vty, "Bad family for prefix \"%s\"\n", argv[8]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + rfapiQprefix2Rprefix(&pfx, &hpfx); + + rfapi_register(handle, &hpfx, 0, NULL, NULL, 1); + + return CMD_SUCCESS; } DEFUN (debug_rfapi_query_vn_un, @@ -3534,60 +3290,57 @@ DEFUN (debug_rfapi_query_vn_un, "target IPv4 address\n" "target IPv6 address\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - struct rfapi_ip_addr target; - rfapi_handle handle; - int rc; - struct rfapi_next_hop_entry *pNextHopEntry; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; - - - /* - * Get target addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[8]->arg, &target))) - return rc; - - - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * options parameter not used? Set to NULL for now - */ - rc = rfapi_query (handle, &target, NULL, &pNextHopEntry); - - if (rc) - { - vty_out (vty, "rfapi_query failed with rc=%d (%s)\n", rc, - strerror(rc)); - } - else - { - /* - * print nexthop list - */ - test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ - } - - return CMD_SUCCESS; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + struct rfapi_ip_addr target; + rfapi_handle handle; + int rc; + struct rfapi_next_hop_entry *pNextHopEntry; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; + + + /* + * Get target addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[8]->arg, &target))) + return rc; + + + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * options parameter not used? Set to NULL for now + */ + rc = rfapi_query(handle, &target, NULL, &pNextHopEntry); + + if (rc) { + vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, + strerror(rc)); + } else { + /* + * print nexthop list + */ + test_nexthops_callback(/*&target, */ pNextHopEntry, + vty); /* frees nh list! */ + } + + return CMD_SUCCESS; } @@ -3608,28 +3361,28 @@ DEFUN (debug_rfapi_query_vn_un_l2o, "indicate target MAC addr follows\n" "target MAC addr\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - struct rfapi_ip_addr target; - rfapi_handle handle; - int rc; - struct rfapi_next_hop_entry *pNextHopEntry; - struct rfapi_l2address_option l2o_buf; - struct bgp_tea_options hopt; - uint8_t valbuf[14]; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[4]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[6]->arg, &un))) - return rc; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + struct rfapi_ip_addr target; + rfapi_handle handle; + int rc; + struct rfapi_next_hop_entry *pNextHopEntry; + struct rfapi_l2address_option l2o_buf; + struct bgp_tea_options hopt; + uint8_t valbuf[14]; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[4]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[6]->arg, &un))) + return rc; #if 0 /* there is no IP target arg here ?????? */ @@ -3639,65 +3392,61 @@ DEFUN (debug_rfapi_query_vn_un_l2o, if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[2], &target))) return rc; #else - vty_out (vty, "%% This command is broken.\n"); - return CMD_WARNING_CONFIG_FAILED; + vty_out(vty, "%% This command is broken.\n"); + return CMD_WARNING_CONFIG_FAILED; #endif - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[4]->arg, argv[6]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * Set up L2 parameters - */ - memset (&l2o_buf, 0, sizeof (l2o_buf)); - if (rfapiStr2EthAddr (argv[10]->arg, &l2o_buf.macaddr)) - { - vty_out (vty, "Bad mac address \"%s\"\n", argv[10]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - l2o_buf.logical_net_id = strtoul(argv[8]->arg, NULL, 10); - - /* construct option chain */ - - memset (valbuf, 0, sizeof (valbuf)); - memcpy (valbuf, &l2o_buf.macaddr.octet, ETHER_ADDR_LEN); - valbuf[11] = (l2o_buf.logical_net_id >> 16) & 0xff; - valbuf[12] = (l2o_buf.logical_net_id >> 8) & 0xff; - valbuf[13] = l2o_buf.logical_net_id & 0xff; - - memset (&hopt, 0, sizeof (hopt)); - hopt.options_count = 1; - hopt.options_length = sizeof (valbuf); /* is this right? */ - hopt.type = RFAPI_VN_OPTION_TYPE_L2ADDR; - hopt.length = sizeof (valbuf); - hopt.value = valbuf; - - - /* - * options parameter not used? Set to NULL for now - */ - rc = rfapi_query (handle, &target, &l2o_buf, &pNextHopEntry); - - if (rc) - { - vty_out (vty, "rfapi_query failed with rc=%d (%s)\n", rc, - strerror(rc)); - } - else - { - /* - * print nexthop list - */ - /* TBD enhance to print L2 information */ - test_nexthops_callback ( /*&target, */ pNextHopEntry, vty); /* frees nh list! */ - } - - return CMD_SUCCESS; + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[4]->arg, argv[6]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * Set up L2 parameters + */ + memset(&l2o_buf, 0, sizeof(l2o_buf)); + if (rfapiStr2EthAddr(argv[10]->arg, &l2o_buf.macaddr)) { + vty_out(vty, "Bad mac address \"%s\"\n", argv[10]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + l2o_buf.logical_net_id = strtoul(argv[8]->arg, NULL, 10); + + /* construct option chain */ + + memset(valbuf, 0, sizeof(valbuf)); + memcpy(valbuf, &l2o_buf.macaddr.octet, ETHER_ADDR_LEN); + valbuf[11] = (l2o_buf.logical_net_id >> 16) & 0xff; + valbuf[12] = (l2o_buf.logical_net_id >> 8) & 0xff; + valbuf[13] = l2o_buf.logical_net_id & 0xff; + + memset(&hopt, 0, sizeof(hopt)); + hopt.options_count = 1; + hopt.options_length = sizeof(valbuf); /* is this right? */ + hopt.type = RFAPI_VN_OPTION_TYPE_L2ADDR; + hopt.length = sizeof(valbuf); + hopt.value = valbuf; + + + /* + * options parameter not used? Set to NULL for now + */ + rc = rfapi_query(handle, &target, &l2o_buf, &pNextHopEntry); + + if (rc) { + vty_out(vty, "rfapi_query failed with rc=%d (%s)\n", rc, + strerror(rc)); + } else { + /* + * print nexthop list + */ + /* TBD enhance to print L2 information */ + test_nexthops_callback(/*&target, */ pNextHopEntry, + vty); /* frees nh list! */ + } + + return CMD_SUCCESS; } @@ -3718,48 +3467,47 @@ DEFUN (debug_rfapi_query_done_vn_un, "Target IPv4 address\n" "Target IPv6 address\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - struct rfapi_ip_addr target; - rfapi_handle handle; - int rc; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + struct rfapi_ip_addr target; + rfapi_handle handle; + int rc; - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) - return rc; + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) + return rc; - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) - return rc; + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) + return rc; - /* - * Get target addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[9]->arg, &target))) - return rc; + /* + * Get target addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[9]->arg, &target))) + return rc; - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[5]->arg, argv[7]->arg); - return CMD_WARNING_CONFIG_FAILED; - } + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[5]->arg, argv[7]->arg); + return CMD_WARNING_CONFIG_FAILED; + } - /* - * options parameter not used? Set to NULL for now - */ - rc = rfapi_query_done (handle, &target); + /* + * options parameter not used? Set to NULL for now + */ + rc = rfapi_query_done(handle, &target); - vty_out (vty, "rfapi_query_done returned %d\n", rc); + vty_out(vty, "rfapi_query_done returned %d\n", rc); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN (debug_rfapi_show_import, @@ -3770,83 +3518,82 @@ DEFUN (debug_rfapi_show_import, SHOW_STR "import\n") { - struct bgp *bgp; - struct rfapi *h; - struct rfapi_import_table *it; - char *s; - int first_l2 = 1; - - /* - * Show all import tables - */ - - bgp = bgp_get_default (); /* assume 1 instance for now */ - if (!bgp) - { - vty_out (vty, "No BGP instance\n"); - return CMD_WARNING_CONFIG_FAILED; - } - - h = bgp->rfapi; - if (!h) - { - vty_out (vty, "No RFAPI instance\n"); - return CMD_WARNING_CONFIG_FAILED; - } - - /* - * Iterate over all import tables; do a filtered import - * for the afi/safi combination - */ - - - for (it = h->imports; it; it = it->next) - { - s = ecommunity_ecom2str (it->rt_import_list, - ECOMMUNITY_FORMAT_ROUTE_MAP, 0); - vty_out (vty, "Import Table %p, RTs: %s\n", it, s); - XFREE (MTYPE_ECOMMUNITY_STR, s); - - rfapiShowImportTable (vty, "IP VPN", it->imported_vpn[AFI_IP], 1); - rfapiShowImportTable (vty, "IP ENCAP", it->imported_encap[AFI_IP], 0); - rfapiShowImportTable (vty, "IP6 VPN", it->imported_vpn[AFI_IP6], 1); - rfapiShowImportTable (vty, "IP6 ENCAP", it->imported_encap[AFI_IP6], 0); - } - - if (h->import_mac) - { - void *cursor = NULL; - uint32_t lni; - uintptr_t lni_as_ptr; - int rc; - char buf[BUFSIZ]; - - for (rc = - skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, - &cursor); !rc; - rc = - skiplist_next (h->import_mac, (void **) &lni_as_ptr, (void **) &it, - &cursor)) - { - - if (it->imported_vpn[AFI_L2VPN]) - { - lni = lni_as_ptr; - if (first_l2) - { - vty_out (vty, "\nLNI-based Ethernet Tables:\n"); - first_l2 = 0; - } - snprintf (buf, BUFSIZ, "L2VPN LNI=%u", lni); - rfapiShowImportTable (vty, buf, it->imported_vpn[AFI_L2VPN], 1); - } - } - } - - rfapiShowImportTable (vty, "CE IT - IP VPN", - h->it_ce->imported_vpn[AFI_IP], 1); - - return CMD_SUCCESS; + struct bgp *bgp; + struct rfapi *h; + struct rfapi_import_table *it; + char *s; + int first_l2 = 1; + + /* + * Show all import tables + */ + + bgp = bgp_get_default(); /* assume 1 instance for now */ + if (!bgp) { + vty_out(vty, "No BGP instance\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + h = bgp->rfapi; + if (!h) { + vty_out(vty, "No RFAPI instance\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + /* + * Iterate over all import tables; do a filtered import + * for the afi/safi combination + */ + + + for (it = h->imports; it; it = it->next) { + s = ecommunity_ecom2str(it->rt_import_list, + ECOMMUNITY_FORMAT_ROUTE_MAP, 0); + vty_out(vty, "Import Table %p, RTs: %s\n", it, s); + XFREE(MTYPE_ECOMMUNITY_STR, s); + + rfapiShowImportTable(vty, "IP VPN", it->imported_vpn[AFI_IP], + 1); + rfapiShowImportTable(vty, "IP ENCAP", + it->imported_encap[AFI_IP], 0); + rfapiShowImportTable(vty, "IP6 VPN", it->imported_vpn[AFI_IP6], + 1); + rfapiShowImportTable(vty, "IP6 ENCAP", + it->imported_encap[AFI_IP6], 0); + } + + if (h->import_mac) { + void *cursor = NULL; + uint32_t lni; + uintptr_t lni_as_ptr; + int rc; + char buf[BUFSIZ]; + + for (rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, + (void **)&it, &cursor); + !rc; + rc = skiplist_next(h->import_mac, (void **)&lni_as_ptr, + (void **)&it, &cursor)) { + + if (it->imported_vpn[AFI_L2VPN]) { + lni = lni_as_ptr; + if (first_l2) { + vty_out(vty, + "\nLNI-based Ethernet Tables:\n"); + first_l2 = 0; + } + snprintf(buf, BUFSIZ, "L2VPN LNI=%u", lni); + rfapiShowImportTable( + vty, buf, it->imported_vpn[AFI_L2VPN], + 1); + } + } + } + + rfapiShowImportTable(vty, "CE IT - IP VPN", + h->it_ce->imported_vpn[AFI_IP], 1); + + return CMD_SUCCESS; } DEFUN (debug_rfapi_show_import_vn_un, @@ -3863,45 +3610,44 @@ DEFUN (debug_rfapi_show_import_vn_un, "underlay network interface IPv4 address\n" "underlay network interface IPv6 address\n") { - struct rfapi_ip_addr vn; - struct rfapi_ip_addr un; - rfapi_handle handle; - int rc; - struct rfapi_descriptor *rfd; - - /* - * Get VN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[5]->arg, &vn))) - return rc; - - - /* - * Get UN addr - */ - if ((rc = rfapiCliGetRfapiIpAddr (vty, argv[7]->arg, &un))) - return rc; - - - if (rfapi_find_handle_vty (vty, &vn, &un, &handle)) - { - vty_out (vty, "can't locate handle matching vn=%s, un=%s\n", - argv[5]->arg, argv[7]->arg); - return CMD_WARNING_CONFIG_FAILED; - } - - rfd = (struct rfapi_descriptor *) handle; - - rfapiShowImportTable (vty, "IP VPN", - rfd->import_table->imported_vpn[AFI_IP], 1); - rfapiShowImportTable (vty, "IP ENCAP", - rfd->import_table->imported_encap[AFI_IP], 0); - rfapiShowImportTable (vty, "IP6 VPN", - rfd->import_table->imported_vpn[AFI_IP6], 1); - rfapiShowImportTable (vty, "IP6 ENCAP", - rfd->import_table->imported_encap[AFI_IP6], 0); - - return CMD_SUCCESS; + struct rfapi_ip_addr vn; + struct rfapi_ip_addr un; + rfapi_handle handle; + int rc; + struct rfapi_descriptor *rfd; + + /* + * Get VN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[5]->arg, &vn))) + return rc; + + + /* + * Get UN addr + */ + if ((rc = rfapiCliGetRfapiIpAddr(vty, argv[7]->arg, &un))) + return rc; + + + if (rfapi_find_handle_vty(vty, &vn, &un, &handle)) { + vty_out(vty, "can't locate handle matching vn=%s, un=%s\n", + argv[5]->arg, argv[7]->arg); + return CMD_WARNING_CONFIG_FAILED; + } + + rfd = (struct rfapi_descriptor *)handle; + + rfapiShowImportTable(vty, "IP VPN", + rfd->import_table->imported_vpn[AFI_IP], 1); + rfapiShowImportTable(vty, "IP ENCAP", + rfd->import_table->imported_encap[AFI_IP], 0); + rfapiShowImportTable(vty, "IP6 VPN", + rfd->import_table->imported_vpn[AFI_IP6], 1); + rfapiShowImportTable(vty, "IP6 ENCAP", + rfd->import_table->imported_encap[AFI_IP6], 0); + + return CMD_SUCCESS; } DEFUN (debug_rfapi_response_omit_self, @@ -3912,25 +3658,25 @@ DEFUN (debug_rfapi_response_omit_self, "Omit self in RFP responses\n" "filter out self from responses\n" "leave self in responses\n") { - struct bgp *bgp = bgp_get_default (); - - if (!bgp) - { - vty_out (vty, "No BGP process is configured\n"); - return CMD_WARNING_CONFIG_FAILED; - } - if (!bgp->rfapi_cfg) - { - vty_out (vty, "VNC not configured\n"); - return CMD_WARNING_CONFIG_FAILED; - } - - if (strmatch(argv[3]->text, "on")) - SET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); - else - UNSET_FLAG (bgp->rfapi_cfg->flags, BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); - - return CMD_SUCCESS; + struct bgp *bgp = bgp_get_default(); + + if (!bgp) { + vty_out(vty, "No BGP process is configured\n"); + return CMD_WARNING_CONFIG_FAILED; + } + if (!bgp->rfapi_cfg) { + vty_out(vty, "VNC not configured\n"); + return CMD_WARNING_CONFIG_FAILED; + } + + if (strmatch(argv[3]->text, "on")) + SET_FLAG(bgp->rfapi_cfg->flags, + BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); + else + UNSET_FLAG(bgp->rfapi_cfg->flags, + BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP); + + return CMD_SUCCESS; } @@ -3943,9 +3689,9 @@ DEFUN (skiplist_test_cli, "skiplist command\n" "test\n") { - skiplist_test (vty); + skiplist_test(vty); - return CMD_SUCCESS; + return CMD_SUCCESS; } DEFUN (skiplist_debug_cli, @@ -3954,151 +3700,139 @@ DEFUN (skiplist_debug_cli, "skiplist command\n" "debug\n") { - skiplist_debug (vty, NULL); - return CMD_SUCCESS; + skiplist_debug(vty, NULL); + return CMD_SUCCESS; } #endif /* RFAPI_DEBUG_SKIPLIST_CLI */ -void -rfapi_init (void) +void rfapi_init(void) { - bgp_rfapi_cfg_init (); - vnc_debug_init(); + bgp_rfapi_cfg_init(); + vnc_debug_init(); - install_element (ENABLE_NODE, &debug_rfapi_show_import_cmd); - install_element (ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_show_import_cmd); + install_element(ENABLE_NODE, &debug_rfapi_show_import_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_open_cmd); - install_element (ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_close_rfd_cmd); - install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); - install_element (ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); + install_element(ENABLE_NODE, &debug_rfapi_open_cmd); + install_element(ENABLE_NODE, &debug_rfapi_close_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_close_rfd_cmd); + install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_unregister_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_done_cmd); + install_element(ENABLE_NODE, &debug_rfapi_query_vn_un_l2o_cmd); - install_element (ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); + install_element(ENABLE_NODE, &debug_rfapi_response_omit_self_cmd); - /* Need the following show commands for gpz test scripts */ - install_element (ENABLE_NODE, &debug_rfapi_show_nves_cmd); - install_element (ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); - install_element (ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); + /* Need the following show commands for gpz test scripts */ + install_element(ENABLE_NODE, &debug_rfapi_show_nves_cmd); + install_element(ENABLE_NODE, &debug_rfapi_show_nves_vn_un_cmd); + install_element(ENABLE_NODE, &debug_rfapi_register_vn_un_l2o_cmd); #ifdef RFAPI_DEBUG_SKIPLIST_CLI - install_element (ENABLE_NODE, &skiplist_test_cli_cmd); - install_element (ENABLE_NODE, &skiplist_debug_cli_cmd); + install_element(ENABLE_NODE, &skiplist_test_cli_cmd); + install_element(ENABLE_NODE, &skiplist_debug_cli_cmd); #endif - rfapi_vty_init (); + rfapi_vty_init(); } #ifdef DEBUG_RFAPI -static void -rfapi_print_exported (struct bgp *bgp) +static void rfapi_print_exported(struct bgp *bgp) { - struct bgp_node *rdn; - struct bgp_node *rn; - struct bgp_info *bi; - - if (!bgp) - return; - - for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; - rdn = bgp_route_next (rdn)) - { - if (!rdn->info) - continue; - fprintf (stderr, "%s: vpn rdn=%p\n", __func__, rdn); - for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) - { - if (!rn->info) - continue; - fprintf (stderr, "%s: rn=%p\n", __func__, rn); - for (bi = rn->info; bi; bi = bi->next) - { - rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ - } - } - } - for (rdn = bgp_table_top (bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; - rdn = bgp_route_next (rdn)) - { - if (!rdn->info) - continue; - fprintf (stderr, "%s: encap rdn=%p\n", __func__, rdn); - for (rn = bgp_table_top (rdn->info); rn; rn = bgp_route_next (rn)) - { - if (!rn->info) - continue; - fprintf (stderr, "%s: rn=%p\n", __func__, rn); - for (bi = rn->info; bi; bi = bi->next) - { - rfapiPrintBi ((void *) 2, bi); /* 2 => stderr */ - } - } - } - + struct bgp_node *rdn; + struct bgp_node *rn; + struct bgp_info *bi; + + if (!bgp) + return; + + for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rdn; + rdn = bgp_route_next(rdn)) { + if (!rdn->info) + continue; + fprintf(stderr, "%s: vpn rdn=%p\n", __func__, rdn); + for (rn = bgp_table_top(rdn->info); rn; + rn = bgp_route_next(rn)) { + if (!rn->info) + continue; + fprintf(stderr, "%s: rn=%p\n", __func__, rn); + for (bi = rn->info; bi; bi = bi->next) { + rfapiPrintBi((void *)2, bi); /* 2 => stderr */ + } + } + } + for (rdn = bgp_table_top(bgp->rib[AFI_IP][SAFI_ENCAP]); rdn; + rdn = bgp_route_next(rdn)) { + if (!rdn->info) + continue; + fprintf(stderr, "%s: encap rdn=%p\n", __func__, rdn); + for (rn = bgp_table_top(rdn->info); rn; + rn = bgp_route_next(rn)) { + if (!rn->info) + continue; + fprintf(stderr, "%s: rn=%p\n", __func__, rn); + for (bi = rn->info; bi; bi = bi->next) { + rfapiPrintBi((void *)2, bi); /* 2 => stderr */ + } + } + } } #endif /* defined(DEBUG_RFAPI) */ /* * Free all memory to prepare for clean exit as seen by valgrind memcheck */ -void -rfapi_delete (struct bgp *bgp) +void rfapi_delete(struct bgp *bgp) { - extern void rfp_clear_vnc_nve_all (void); /* can't fix correctly yet */ - - /* - * This clears queries and registered routes, and closes nves - */ - if (bgp->rfapi) - rfp_clear_vnc_nve_all (); - bgp_rfapi_cfg_destroy (bgp, bgp->rfapi_cfg); - bgp->rfapi_cfg = NULL; - bgp_rfapi_destroy (bgp, bgp->rfapi); - bgp->rfapi = NULL; + extern void rfp_clear_vnc_nve_all(void); /* can't fix correctly yet */ + + /* + * This clears queries and registered routes, and closes nves + */ + if (bgp->rfapi) + rfp_clear_vnc_nve_all(); + bgp_rfapi_cfg_destroy(bgp, bgp->rfapi_cfg); + bgp->rfapi_cfg = NULL; + bgp_rfapi_destroy(bgp, bgp->rfapi); + bgp->rfapi = NULL; #ifdef DEBUG_RFAPI - /* - * show what's left in the BGP MPLSVPN RIB - */ - rfapi_print_exported (bgp); + /* + * show what's left in the BGP MPLSVPN RIB + */ + rfapi_print_exported(bgp); #endif - } -int -rfapi_set_autord_from_vn (struct prefix_rd *rd, struct rfapi_ip_addr *vn) +int rfapi_set_autord_from_vn(struct prefix_rd *rd, struct rfapi_ip_addr *vn) { - vnc_zlog_debug_verbose ("%s: auto-assigning RD", __func__); - if (vn->addr_family != AF_INET - && vn->addr_family != AF_INET6) - { - vnc_zlog_debug_verbose ("%s: can't auto-assign RD, VN addr family is not IPv4" - "|v6" - , __func__); - return EAFNOSUPPORT; - } - rd->family = AF_UNSPEC; - rd->prefixlen = 64; - rd->val[1] = RD_TYPE_IP; - if (vn->addr_family == AF_INET) - { - memcpy (rd->val + 2, &vn->addr.v4.s_addr, 4); - } - else - { /* is v6 */ - memcpy (rd->val + 2, &vn->addr.v6.s6_addr32[3], 4);/* low order 4 bytes */ - } - { - char buf[BUFSIZ]; - buf[0] = 0; - prefix_rd2str (rd, buf, BUFSIZ); - buf[BUFSIZ - 1] = 0; - vnc_zlog_debug_verbose ("%s: auto-RD is set to %s", __func__, buf); - } - return 0; + vnc_zlog_debug_verbose("%s: auto-assigning RD", __func__); + if (vn->addr_family != AF_INET && vn->addr_family != AF_INET6) { + vnc_zlog_debug_verbose( + "%s: can't auto-assign RD, VN addr family is not IPv4" + "|v6", + __func__); + return EAFNOSUPPORT; + } + rd->family = AF_UNSPEC; + rd->prefixlen = 64; + rd->val[1] = RD_TYPE_IP; + if (vn->addr_family == AF_INET) { + memcpy(rd->val + 2, &vn->addr.v4.s_addr, 4); + } else { /* is v6 */ + memcpy(rd->val + 2, &vn->addr.v6.s6_addr32[3], + 4); /* low order 4 bytes */ + } + { + char buf[BUFSIZ]; + buf[0] = 0; + prefix_rd2str(rd, buf, BUFSIZ); + buf[BUFSIZ - 1] = 0; + vnc_zlog_debug_verbose("%s: auto-RD is set to %s", __func__, + buf); + } + return 0; } /*------------------------------------------ @@ -4106,7 +3840,7 @@ rfapi_set_autord_from_vn (struct prefix_rd *rd, struct rfapi_ip_addr *vn) * * Find bgp instance pointer based on value returned by rfp_start * - * input: + * input: * rfp_start_val value returned by rfp_startor * NULL (=get default instance) * @@ -4118,19 +3852,19 @@ rfapi_set_autord_from_vn (struct prefix_rd *rd, struct rfapi_ip_addr *vn) * NULL = not found * --------------------------------------------*/ -struct bgp * -rfapi_bgp_lookup_by_rfp (void *rfp_start_val) +struct bgp *rfapi_bgp_lookup_by_rfp(void *rfp_start_val) { - struct bgp *bgp = NULL; - struct listnode *node, *nnode; - - if (rfp_start_val == NULL) - bgp = bgp_get_default (); - else - for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) - if (bgp->rfapi != NULL && bgp->rfapi->rfp == rfp_start_val) - return bgp; - return bgp; + struct bgp *bgp = NULL; + struct listnode *node, *nnode; + + if (rfp_start_val == NULL) + bgp = bgp_get_default(); + else + for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) + if (bgp->rfapi != NULL + && bgp->rfapi->rfp == rfp_start_val) + return bgp; + return bgp; } /*------------------------------------------ @@ -4138,7 +3872,7 @@ rfapi_bgp_lookup_by_rfp (void *rfp_start_val) * * Find bgp instance pointer based on value returned by rfp_start * - * input: + * input: * bgp bgp instance pointer * * output: @@ -4149,91 +3883,81 @@ rfapi_bgp_lookup_by_rfp (void *rfp_start_val) * NULL = not found * --------------------------------------------*/ -void * -rfapi_get_rfp_start_val_by_bgp (struct bgp *bgp) +void *rfapi_get_rfp_start_val_by_bgp(struct bgp *bgp) { - if (!bgp || !bgp->rfapi) - return NULL; - return bgp->rfapi->rfp; + if (!bgp || !bgp->rfapi) + return NULL; + return bgp->rfapi->rfp; } /*********************************************************************** * RFP group specific configuration ***********************************************************************/ -static void * -rfapi_rfp_get_or_init_group_config_default ( - struct rfapi_cfg *rfc, - struct vty *vty, - uint32_t size) +static void *rfapi_rfp_get_or_init_group_config_default(struct rfapi_cfg *rfc, + struct vty *vty, + uint32_t size) { - if (rfc->default_rfp_cfg == NULL && size > 0) - { - rfc->default_rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); - vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); - - } - return rfc->default_rfp_cfg; + if (rfc->default_rfp_cfg == NULL && size > 0) { + rfc->default_rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); + vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, + size); + } + return rfc->default_rfp_cfg; } -static void * -rfapi_rfp_get_or_init_group_config_nve ( - struct rfapi_cfg *rfc, - struct vty *vty, - uint32_t size) +static void *rfapi_rfp_get_or_init_group_config_nve(struct rfapi_cfg *rfc, + struct vty *vty, + uint32_t size) { - struct rfapi_nve_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); - - /* make sure group is still in list */ - if (!rfg || !listnode_lookup (rfc->nve_groups_sequential, rfg)) - { - /* Not in list anymore */ - vty_out (vty, "Current NVE group no longer exists\n"); - return NULL; - } - - if (rfg->rfp_cfg == NULL && size > 0) - { - rfg->rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); - vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); - - } - return rfg->rfp_cfg; + struct rfapi_nve_group_cfg *rfg = + VTY_GET_CONTEXT_SUB(rfapi_nve_group_cfg); + + /* make sure group is still in list */ + if (!rfg || !listnode_lookup(rfc->nve_groups_sequential, rfg)) { + /* Not in list anymore */ + vty_out(vty, "Current NVE group no longer exists\n"); + return NULL; + } + + if (rfg->rfp_cfg == NULL && size > 0) { + rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); + vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, + size); + } + return rfg->rfp_cfg; } -static void * -rfapi_rfp_get_or_init_group_config_l2 ( - struct rfapi_cfg *rfc, - struct vty *vty, - uint32_t size) +static void *rfapi_rfp_get_or_init_group_config_l2(struct rfapi_cfg *rfc, + struct vty *vty, + uint32_t size) { - struct rfapi_l2_group_cfg *rfg = VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); - - /* make sure group is still in list */ - if (!rfg || !listnode_lookup (rfc->l2_groups, rfg)) - { - /* Not in list anymore */ - vty_out (vty, "Current L2 group no longer exists\n"); - return NULL; - } - if (rfg->rfp_cfg == NULL && size > 0) - { - rfg->rfp_cfg = XCALLOC (MTYPE_RFAPI_RFP_GROUP_CFG, size); - vnc_zlog_debug_verbose ("%s: allocated, size=%d", __func__, size); - - } - return rfg->rfp_cfg; + struct rfapi_l2_group_cfg *rfg = + VTY_GET_CONTEXT_SUB(rfapi_l2_group_cfg); + + /* make sure group is still in list */ + if (!rfg || !listnode_lookup(rfc->l2_groups, rfg)) { + /* Not in list anymore */ + vty_out(vty, "Current L2 group no longer exists\n"); + return NULL; + } + if (rfg->rfp_cfg == NULL && size > 0) { + rfg->rfp_cfg = XCALLOC(MTYPE_RFAPI_RFP_GROUP_CFG, size); + vnc_zlog_debug_verbose("%s: allocated, size=%d", __func__, + size); + } + return rfg->rfp_cfg; } /*------------------------------------------ * rfapi_rfp_init_group_config_ptr_vty * * This is used to init or return a previously init'ed group specific - * configuration pointer. Group is identified by vty context. + * configuration pointer. Group is identified by vty context. * NOTE: size is ignored when a previously init'ed value is returned. * RFAPI frees rfp_cfg_group when group is deleted during reconfig, * bgp restart or shutdown. * - * input: + * input: * rfp_start_val value returned by rfp_start * type group type * vty quagga vty context @@ -4242,46 +3966,43 @@ rfapi_rfp_get_or_init_group_config_l2 ( * output: * none * - * return value: + * return value: * rfp_cfg_group NULL or Pointer to configuration structure --------------------------------------------*/ -void * -rfapi_rfp_init_group_config_ptr_vty ( - void *rfp_start_val, - rfapi_rfp_cfg_group_type type, - struct vty *vty, - uint32_t size) +void *rfapi_rfp_init_group_config_ptr_vty(void *rfp_start_val, + rfapi_rfp_cfg_group_type type, + struct vty *vty, uint32_t size) { - struct bgp *bgp; - void *ret = NULL; - - if (rfp_start_val == NULL || vty == NULL) - return NULL; - - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (!bgp || !bgp->rfapi_cfg) - return NULL; - - switch (type) - { - case RFAPI_RFP_CFG_GROUP_DEFAULT: - ret = rfapi_rfp_get_or_init_group_config_default (bgp->rfapi_cfg, - vty, size); - break; - case RFAPI_RFP_CFG_GROUP_NVE: - ret = rfapi_rfp_get_or_init_group_config_nve (bgp->rfapi_cfg, - vty, size); - break; - case RFAPI_RFP_CFG_GROUP_L2: - ret = rfapi_rfp_get_or_init_group_config_l2 (bgp->rfapi_cfg, vty, size); - break; - default: - zlog_err ("%s: Unknown group type=%d", __func__, type); - /* should never happen */ - assert ("Unknown type" == NULL); - break; - } - return ret; + struct bgp *bgp; + void *ret = NULL; + + if (rfp_start_val == NULL || vty == NULL) + return NULL; + + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (!bgp || !bgp->rfapi_cfg) + return NULL; + + switch (type) { + case RFAPI_RFP_CFG_GROUP_DEFAULT: + ret = rfapi_rfp_get_or_init_group_config_default(bgp->rfapi_cfg, + vty, size); + break; + case RFAPI_RFP_CFG_GROUP_NVE: + ret = rfapi_rfp_get_or_init_group_config_nve(bgp->rfapi_cfg, + vty, size); + break; + case RFAPI_RFP_CFG_GROUP_L2: + ret = rfapi_rfp_get_or_init_group_config_l2(bgp->rfapi_cfg, vty, + size); + break; + default: + zlog_err("%s: Unknown group type=%d", __func__, type); + /* should never happen */ + assert("Unknown type" == NULL); + break; + } + return ret; } /*------------------------------------------ @@ -4290,9 +4011,9 @@ rfapi_rfp_init_group_config_ptr_vty ( * This is used to get group specific configuration pointer. * Group is identified by type and vty context. * RFAPI frees rfp_cfg_group when group is deleted during reconfig, - * bgp restart or shutdown. + * bgp restart or shutdown. * - * input: + * input: * rfp_start_val value returned by rfp_start * type group type * vty quagga vty context @@ -4301,64 +4022,56 @@ rfapi_rfp_init_group_config_ptr_vty ( * none * * return value: - * rfp_cfg_group Pointer to configuration structure + * rfp_cfg_group Pointer to configuration structure --------------------------------------------*/ -void * -rfapi_rfp_get_group_config_ptr_vty ( - void *rfp_start_val, - rfapi_rfp_cfg_group_type type, - struct vty *vty) +void *rfapi_rfp_get_group_config_ptr_vty(void *rfp_start_val, + rfapi_rfp_cfg_group_type type, + struct vty *vty) { - return rfapi_rfp_init_group_config_ptr_vty (rfp_start_val, type, vty, 0); + return rfapi_rfp_init_group_config_ptr_vty(rfp_start_val, type, vty, 0); } static void * -rfapi_rfp_get_group_config_name_nve ( - struct rfapi_cfg *rfc, - const char *name, - void *criteria, - rfp_group_config_search_cb_t *search_cb) +rfapi_rfp_get_group_config_name_nve(struct rfapi_cfg *rfc, const char *name, + void *criteria, + rfp_group_config_search_cb_t *search_cb) { - struct rfapi_nve_group_cfg *rfg; - struct listnode *node; - - for (ALL_LIST_ELEMENTS_RO (rfc->nve_groups_sequential, node, rfg)) - { - if (!strcmp (rfg->name, name) && /* name match */ - (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) - return rfg->rfp_cfg; - } - return NULL; + struct rfapi_nve_group_cfg *rfg; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(rfc->nve_groups_sequential, node, rfg)) { + if (!strcmp(rfg->name, name) && /* name match */ + (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) + return rfg->rfp_cfg; + } + return NULL; } static void * -rfapi_rfp_get_group_config_name_l2 ( - struct rfapi_cfg *rfc, - const char *name, - void *criteria, - rfp_group_config_search_cb_t *search_cb) +rfapi_rfp_get_group_config_name_l2(struct rfapi_cfg *rfc, const char *name, + void *criteria, + rfp_group_config_search_cb_t *search_cb) { - struct rfapi_l2_group_cfg *rfg; - struct listnode *node; - - for (ALL_LIST_ELEMENTS_RO (rfc->l2_groups, node, rfg)) - { - if (!strcmp (rfg->name, name) && /* name match */ - (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) - return rfg->rfp_cfg; - } - return NULL; + struct rfapi_l2_group_cfg *rfg; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(rfc->l2_groups, node, rfg)) { + if (!strcmp(rfg->name, name) && /* name match */ + (search_cb == NULL || !search_cb(criteria, rfg->rfp_cfg))) + return rfg->rfp_cfg; + } + return NULL; } /*------------------------------------------ * rfapi_rfp_get_group_config_ptr_name * * This is used to get group specific configuration pointer. - * Group is identified by type and name context. + * Group is identified by type and name context. * RFAPI frees rfp_cfg_group when group is deleted during reconfig, * bgp restart or shutdown. * - * input: + * input: * rfp_start_val value returned by rfp_start * type group type * name group name @@ -4369,46 +4082,41 @@ rfapi_rfp_get_group_config_name_l2 ( * none * * return value: - * rfp_cfg_group Pointer to configuration structure + * rfp_cfg_group Pointer to configuration structure --------------------------------------------*/ -void * -rfapi_rfp_get_group_config_ptr_name ( - void *rfp_start_val, - rfapi_rfp_cfg_group_type type, - const char *name, - void *criteria, - rfp_group_config_search_cb_t *search_cb) +void *rfapi_rfp_get_group_config_ptr_name( + void *rfp_start_val, rfapi_rfp_cfg_group_type type, const char *name, + void *criteria, rfp_group_config_search_cb_t *search_cb) { - struct bgp *bgp; - void *ret = NULL; - - if (rfp_start_val == NULL || name == NULL) - return NULL; - - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (!bgp || !bgp->rfapi_cfg) - return NULL; - - switch (type) - { - case RFAPI_RFP_CFG_GROUP_DEFAULT: - ret = bgp->rfapi_cfg->default_rfp_cfg; - break; - case RFAPI_RFP_CFG_GROUP_NVE: - ret = rfapi_rfp_get_group_config_name_nve (bgp->rfapi_cfg, - name, criteria, search_cb); - break; - case RFAPI_RFP_CFG_GROUP_L2: - ret = rfapi_rfp_get_group_config_name_l2 (bgp->rfapi_cfg, - name, criteria, search_cb); - break; - default: - zlog_err ("%s: Unknown group type=%d", __func__, type); - /* should never happen */ - assert ("Unknown type" == NULL); - break; - } - return ret; + struct bgp *bgp; + void *ret = NULL; + + if (rfp_start_val == NULL || name == NULL) + return NULL; + + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (!bgp || !bgp->rfapi_cfg) + return NULL; + + switch (type) { + case RFAPI_RFP_CFG_GROUP_DEFAULT: + ret = bgp->rfapi_cfg->default_rfp_cfg; + break; + case RFAPI_RFP_CFG_GROUP_NVE: + ret = rfapi_rfp_get_group_config_name_nve(bgp->rfapi_cfg, name, + criteria, search_cb); + break; + case RFAPI_RFP_CFG_GROUP_L2: + ret = rfapi_rfp_get_group_config_name_l2(bgp->rfapi_cfg, name, + criteria, search_cb); + break; + default: + zlog_err("%s: Unknown group type=%d", __func__, type); + /* should never happen */ + assert("Unknown type" == NULL); + break; + } + return ret; } /*------------------------------------------ @@ -4419,7 +4127,7 @@ rfapi_rfp_get_group_config_ptr_name ( * RFAPI frees rfp_cfg_group when group is deleted during reconfig, * bgp restart or shutdown. * - * input: + * input: * rfp_start_val value returned by rfp_start * type group type * logical_net_id group logical network identifier @@ -4430,35 +4138,34 @@ rfapi_rfp_get_group_config_ptr_name ( * none * * return value: - * rfp_cfg_group Pointer to configuration structure + * rfp_cfg_group Pointer to configuration structure --------------------------------------------*/ void * -rfapi_rfp_get_l2_group_config_ptr_lni ( - void *rfp_start_val, - uint32_t logical_net_id, - void *criteria, - rfp_group_config_search_cb_t *search_cb) +rfapi_rfp_get_l2_group_config_ptr_lni(void *rfp_start_val, + uint32_t logical_net_id, void *criteria, + rfp_group_config_search_cb_t *search_cb) { - struct bgp *bgp; - struct rfapi_l2_group_cfg *rfg; - struct listnode *node; - - if (rfp_start_val == NULL) - return NULL; - - bgp = rfapi_bgp_lookup_by_rfp (rfp_start_val); - if (!bgp || !bgp->rfapi_cfg) - return NULL; - - for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->l2_groups, node, rfg)) - { - if (rfg->logical_net_id == logical_net_id && - (search_cb == NULL || !search_cb (criteria, rfg->rfp_cfg))) - { - if (rfg->rfp_cfg == NULL) - vnc_zlog_debug_verbose ("%s: returning rfp group config for lni=0", __func__); - return rfg->rfp_cfg; - } - } - return NULL; + struct bgp *bgp; + struct rfapi_l2_group_cfg *rfg; + struct listnode *node; + + if (rfp_start_val == NULL) + return NULL; + + bgp = rfapi_bgp_lookup_by_rfp(rfp_start_val); + if (!bgp || !bgp->rfapi_cfg) + return NULL; + + for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->l2_groups, node, rfg)) { + if (rfg->logical_net_id == logical_net_id + && (search_cb == NULL + || !search_cb(criteria, rfg->rfp_cfg))) { + if (rfg->rfp_cfg == NULL) + vnc_zlog_debug_verbose( + "%s: returning rfp group config for lni=0", + __func__); + return rfg->rfp_cfg; + } + } + return NULL; } |