diff options
Diffstat (limited to 'bgpd/rfapi/vnc_zebra.c')
| -rw-r--r-- | bgpd/rfapi/vnc_zebra.c | 1817 |
1 files changed, 871 insertions, 946 deletions
diff --git a/bgpd/rfapi/vnc_zebra.c b/bgpd/rfapi/vnc_zebra.c index 84b299ce1d..1151186988 100644 --- a/bgpd/rfapi/vnc_zebra.c +++ b/bgpd/rfapi/vnc_zebra.c @@ -1,4 +1,4 @@ -/* +/* * * Copyright 2009-2016, LabN Consulting, L.L.C. * @@ -48,7 +48,7 @@ #include "bgpd/rfapi/rfapi_backend.h" #include "bgpd/rfapi/vnc_debug.h" -static struct rfapi_descriptor vncHD1VR; /* Single-VR export dummy nve descr */ +static struct rfapi_descriptor vncHD1VR; /* Single-VR export dummy nve descr */ static struct zclient *zclient_vnc = NULL; /*********************************************************************** @@ -58,281 +58,271 @@ static struct zclient *zclient_vnc = NULL; /* * Routes coming from zebra get added to VNC here */ -static void -vnc_redistribute_add ( - struct prefix *p, - struct in_addr *nexthop, - u_int32_t metric, - uint8_t type) +static void vnc_redistribute_add(struct prefix *p, struct in_addr *nexthop, + u_int32_t metric, uint8_t type) { - struct bgp *bgp = bgp_get_default (); - struct prefix_rd prd; - struct rfapi_ip_addr vnaddr; - afi_t afi; - uint32_t local_pref = rfp_cost_to_localpref (metric > 255 ? 255 : metric); - - if (!bgp) - return; - - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: bgp->rfapi_cfg is NULL, skipping", __func__); - return; - } - - afi = family2afi (p->family); - if (!afi) - { - vnc_zlog_debug_verbose ("%s: unknown prefix address family %d", __func__, - p->family); - return; - } - - if (!bgp->rfapi_cfg->redist[afi][type]) - { - vnc_zlog_debug_verbose - ("%s: bgp->rfapi_cfg->redist[afi=%d][type=%d] is 0, skipping", - __func__, afi, type); - return; - } - if (!bgp->rfapi_cfg->rfg_redist) - { - vnc_zlog_debug_verbose ("%s: no redist nve group, skipping", __func__); - return; - } - - /* - * Assume nve group's configured VN address prefix is a host - * route which also happens to give the NVE VN address to use - * for redistributing into VNC. - */ - vnaddr.addr_family = bgp->rfapi_cfg->rfg_redist->vn_prefix.family; - switch (bgp->rfapi_cfg->rfg_redist->vn_prefix.family) - { - case AF_INET: - if (bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen != 32) - { - vnc_zlog_debug_verbose - ("%s: redist nve group VN prefix len (%d) != 32, skipping", - __func__, bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen); - return; - } - vnaddr.addr.v4 = bgp->rfapi_cfg->rfg_redist->vn_prefix.u.prefix4; - break; - case AF_INET6: - if (bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen != 128) - { - vnc_zlog_debug_verbose - ("%s: redist nve group VN prefix len (%d) != 128, skipping", - __func__, bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen); - return; - } - vnaddr.addr.v6 = bgp->rfapi_cfg->rfg_redist->vn_prefix.u.prefix6; - break; - default: - vnc_zlog_debug_verbose - ("%s: no redist nve group VN host prefix configured, skipping", - __func__); - return; - } - - /* - * Assume nve group's configured UN address prefix is a host - * route which also happens to give the NVE UN address to use - * for redistributing into VNC. - */ - - /* - * Set UN address in dummy nve descriptor so add_vnc_route - * can use it in VNC tunnel SubTLV - */ - { - struct rfapi_ip_prefix pfx_un; - - rfapiQprefix2Rprefix (&bgp->rfapi_cfg->rfg_redist->un_prefix, &pfx_un); - - switch (pfx_un.prefix.addr_family) - { - case AF_INET: - if (pfx_un.length != 32) - { - vnc_zlog_debug_verbose - ("%s: redist nve group UN prefix len (%d) != 32, skipping", - __func__, pfx_un.length); - return; - } - break; - case AF_INET6: - if (pfx_un.length != 128) - { - vnc_zlog_debug_verbose - ("%s: redist nve group UN prefix len (%d) != 128, skipping", - __func__, pfx_un.length); - return; - } - break; - default: - vnc_zlog_debug_verbose - ("%s: no redist nve group UN host prefix configured, skipping", - __func__); - return; - } - - vncHD1VR.un_addr = pfx_un.prefix; - - if (!vncHD1VR.peer) - { - /* - * Same setup as in rfapi_open() - */ - vncHD1VR.peer = peer_new (bgp); - vncHD1VR.peer->status = Established; /* keep bgp core happy */ - bgp_sync_delete (vncHD1VR.peer); /* don't need these */ - if (vncHD1VR.peer->ibuf) - { - stream_free (vncHD1VR.peer->ibuf); /* don't need it */ - vncHD1VR.peer->ibuf = NULL; - } - if (vncHD1VR.peer->obuf) - { - stream_fifo_free (vncHD1VR.peer->obuf); /* don't need it */ - vncHD1VR.peer->obuf = NULL; - } - if (vncHD1VR.peer->work) - { - stream_free (vncHD1VR.peer->work); /* don't need it */ - vncHD1VR.peer->work = NULL; - } - /* base code assumes have valid host pointer */ - vncHD1VR.peer->host = XSTRDUP (MTYPE_BGP_PEER_HOST, ".zebra."); - - /* Mark peer as belonging to HD */ - SET_FLAG (vncHD1VR.peer->flags, PEER_FLAG_IS_RFAPI_HD); - } - } - - memset (&prd, 0, sizeof (prd)); - prd = bgp->rfapi_cfg->rfg_redist->rd; - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - - add_vnc_route (&vncHD1VR, /* cookie + UN addr */ - bgp, SAFI_MPLS_VPN, p, &prd, &vnaddr, &local_pref, &(bgp->rfapi_cfg->redist_lifetime), NULL, /* RFP options */ - NULL, /* struct rfapi_un_option */ - NULL, /* struct rfapi_vn_option */ - bgp->rfapi_cfg->rfg_redist->rt_export_list, NULL, NULL, /* label: default */ - type, BGP_ROUTE_REDISTRIBUTE, 0); /* flags */ + struct bgp *bgp = bgp_get_default(); + struct prefix_rd prd; + struct rfapi_ip_addr vnaddr; + afi_t afi; + uint32_t local_pref = + rfp_cost_to_localpref(metric > 255 ? 255 : metric); + + if (!bgp) + return; + + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping", + __func__); + return; + } + + afi = family2afi(p->family); + if (!afi) { + vnc_zlog_debug_verbose("%s: unknown prefix address family %d", + __func__, p->family); + return; + } + + if (!bgp->rfapi_cfg->redist[afi][type]) { + vnc_zlog_debug_verbose( + "%s: bgp->rfapi_cfg->redist[afi=%d][type=%d] is 0, skipping", + __func__, afi, type); + return; + } + if (!bgp->rfapi_cfg->rfg_redist) { + vnc_zlog_debug_verbose("%s: no redist nve group, skipping", + __func__); + return; + } + + /* + * Assume nve group's configured VN address prefix is a host + * route which also happens to give the NVE VN address to use + * for redistributing into VNC. + */ + vnaddr.addr_family = bgp->rfapi_cfg->rfg_redist->vn_prefix.family; + switch (bgp->rfapi_cfg->rfg_redist->vn_prefix.family) { + case AF_INET: + if (bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen != 32) { + vnc_zlog_debug_verbose( + "%s: redist nve group VN prefix len (%d) != 32, skipping", + __func__, + bgp->rfapi_cfg->rfg_redist->vn_prefix + .prefixlen); + return; + } + vnaddr.addr.v4 = + bgp->rfapi_cfg->rfg_redist->vn_prefix.u.prefix4; + break; + case AF_INET6: + if (bgp->rfapi_cfg->rfg_redist->vn_prefix.prefixlen != 128) { + vnc_zlog_debug_verbose( + "%s: redist nve group VN prefix len (%d) != 128, skipping", + __func__, + bgp->rfapi_cfg->rfg_redist->vn_prefix + .prefixlen); + return; + } + vnaddr.addr.v6 = + bgp->rfapi_cfg->rfg_redist->vn_prefix.u.prefix6; + break; + default: + vnc_zlog_debug_verbose( + "%s: no redist nve group VN host prefix configured, skipping", + __func__); + return; + } + + /* + * Assume nve group's configured UN address prefix is a host + * route which also happens to give the NVE UN address to use + * for redistributing into VNC. + */ + + /* + * Set UN address in dummy nve descriptor so add_vnc_route + * can use it in VNC tunnel SubTLV + */ + { + struct rfapi_ip_prefix pfx_un; + + rfapiQprefix2Rprefix(&bgp->rfapi_cfg->rfg_redist->un_prefix, + &pfx_un); + + switch (pfx_un.prefix.addr_family) { + case AF_INET: + if (pfx_un.length != 32) { + vnc_zlog_debug_verbose( + "%s: redist nve group UN prefix len (%d) != 32, skipping", + __func__, pfx_un.length); + return; + } + break; + case AF_INET6: + if (pfx_un.length != 128) { + vnc_zlog_debug_verbose( + "%s: redist nve group UN prefix len (%d) != 128, skipping", + __func__, pfx_un.length); + return; + } + break; + default: + vnc_zlog_debug_verbose( + "%s: no redist nve group UN host prefix configured, skipping", + __func__); + return; + } + + vncHD1VR.un_addr = pfx_un.prefix; + + if (!vncHD1VR.peer) { + /* + * Same setup as in rfapi_open() + */ + vncHD1VR.peer = peer_new(bgp); + vncHD1VR.peer->status = + Established; /* keep bgp core happy */ + bgp_sync_delete(vncHD1VR.peer); /* don't need these */ + if (vncHD1VR.peer->ibuf) { + stream_free(vncHD1VR.peer + ->ibuf); /* don't need it */ + vncHD1VR.peer->ibuf = NULL; + } + if (vncHD1VR.peer->obuf) { + stream_fifo_free( + vncHD1VR.peer + ->obuf); /* don't need it */ + vncHD1VR.peer->obuf = NULL; + } + if (vncHD1VR.peer->work) { + stream_free(vncHD1VR.peer + ->work); /* don't need it */ + vncHD1VR.peer->work = NULL; + } + /* base code assumes have valid host pointer */ + vncHD1VR.peer->host = + XSTRDUP(MTYPE_BGP_PEER_HOST, ".zebra."); + + /* Mark peer as belonging to HD */ + SET_FLAG(vncHD1VR.peer->flags, PEER_FLAG_IS_RFAPI_HD); + } + } + + memset(&prd, 0, sizeof(prd)); + prd = bgp->rfapi_cfg->rfg_redist->rd; + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + add_vnc_route(&vncHD1VR, /* cookie + UN addr */ + bgp, SAFI_MPLS_VPN, p, &prd, &vnaddr, &local_pref, + &(bgp->rfapi_cfg->redist_lifetime), + NULL, /* RFP options */ + NULL, /* struct rfapi_un_option */ + NULL, /* struct rfapi_vn_option */ + bgp->rfapi_cfg->rfg_redist->rt_export_list, NULL, + NULL, /* label: default */ + type, BGP_ROUTE_REDISTRIBUTE, 0); /* flags */ } /* * Route deletions from zebra propagate to VNC here */ -static void -vnc_redistribute_delete (struct prefix *p, uint8_t type) +static void vnc_redistribute_delete(struct prefix *p, uint8_t type) { - struct bgp *bgp = bgp_get_default (); - struct prefix_rd prd; - afi_t afi; - - if (!bgp) - return; - - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: bgp->rfapi_cfg is NULL, skipping", __func__); - return; - } - afi = family2afi (p->family); - if (!afi) - { - vnc_zlog_debug_verbose ("%s: unknown prefix address family %d", __func__, - p->family); - return; - } - if (!bgp->rfapi_cfg->redist[afi][type]) - { - vnc_zlog_debug_verbose - ("%s: bgp->rfapi_cfg->redist[afi=%d][type=%d] is 0, skipping", - __func__, afi, type); - return; - } - if (!bgp->rfapi_cfg->rfg_redist) - { - vnc_zlog_debug_verbose ("%s: no redist nve group, skipping", __func__); - return; - } - - memset (&prd, 0, sizeof (prd)); - prd = bgp->rfapi_cfg->rfg_redist->rd; - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - - del_vnc_route (&vncHD1VR, /* use dummy ptr as cookie */ - vncHD1VR.peer, - bgp, - SAFI_MPLS_VPN, - p, &prd, type, BGP_ROUTE_REDISTRIBUTE, NULL, 0); + struct bgp *bgp = bgp_get_default(); + struct prefix_rd prd; + afi_t afi; + + if (!bgp) + return; + + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping", + __func__); + return; + } + afi = family2afi(p->family); + if (!afi) { + vnc_zlog_debug_verbose("%s: unknown prefix address family %d", + __func__, p->family); + return; + } + if (!bgp->rfapi_cfg->redist[afi][type]) { + vnc_zlog_debug_verbose( + "%s: bgp->rfapi_cfg->redist[afi=%d][type=%d] is 0, skipping", + __func__, afi, type); + return; + } + if (!bgp->rfapi_cfg->rfg_redist) { + vnc_zlog_debug_verbose("%s: no redist nve group, skipping", + __func__); + return; + } + + memset(&prd, 0, sizeof(prd)); + prd = bgp->rfapi_cfg->rfg_redist->rd; + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + del_vnc_route(&vncHD1VR, /* use dummy ptr as cookie */ + vncHD1VR.peer, bgp, SAFI_MPLS_VPN, p, &prd, type, + BGP_ROUTE_REDISTRIBUTE, NULL, 0); } /* * Flush all redistributed routes of type <type> */ -static void -vnc_redistribute_withdraw (struct bgp *bgp, afi_t afi, uint8_t type) +static void vnc_redistribute_withdraw(struct bgp *bgp, afi_t afi, uint8_t type) { - struct prefix_rd prd; - struct bgp_table *table; - struct bgp_node *prn; - struct bgp_node *rn; - - vnc_zlog_debug_verbose ("%s: entry", __func__); - - if (!bgp) - return; - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: bgp->rfapi_cfg is NULL, skipping", __func__); - return; - } - - /* - * Loop over all the RDs - */ - for (prn = bgp_table_top (bgp->rib[afi][SAFI_MPLS_VPN]); prn; - prn = bgp_route_next (prn)) - { - memset (&prd, 0, sizeof (prd)); - prd.family = AF_UNSPEC; - prd.prefixlen = 64; - memcpy (prd.val, prn->p.u.val, 8); - - /* This is the per-RD table of prefixes */ - table = prn->info; - - for (rn = bgp_table_top (table); rn; rn = bgp_route_next (rn)) - { - - struct bgp_info *ri; - - for (ri = rn->info; ri; ri = ri->next) - { - if (ri->type == type) - { /* has matching redist type */ - break; - } - } - if (ri) - { - del_vnc_route (&vncHD1VR, /* use dummy ptr as cookie */ - vncHD1VR.peer, - bgp, - SAFI_MPLS_VPN, - &(rn->p), - &prd, type, BGP_ROUTE_REDISTRIBUTE, NULL, 0); - } - } - } - vnc_zlog_debug_verbose ("%s: return", __func__); + struct prefix_rd prd; + struct bgp_table *table; + struct bgp_node *prn; + struct bgp_node *rn; + + vnc_zlog_debug_verbose("%s: entry", __func__); + + if (!bgp) + return; + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping", + __func__); + return; + } + + /* + * Loop over all the RDs + */ + for (prn = bgp_table_top(bgp->rib[afi][SAFI_MPLS_VPN]); prn; + prn = bgp_route_next(prn)) { + memset(&prd, 0, sizeof(prd)); + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + memcpy(prd.val, prn->p.u.val, 8); + + /* This is the per-RD table of prefixes */ + table = prn->info; + + for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) { + + struct bgp_info *ri; + + for (ri = rn->info; ri; ri = ri->next) { + if (ri->type + == type) { /* has matching redist type */ + break; + } + } + if (ri) { + del_vnc_route( + &vncHD1VR, /* use dummy ptr as cookie */ + vncHD1VR.peer, bgp, SAFI_MPLS_VPN, + &(rn->p), &prd, type, + BGP_ROUTE_REDISTRIBUTE, NULL, 0); + } + } + } + vnc_zlog_debug_verbose("%s: return", __func__); } /* @@ -340,177 +330,159 @@ vnc_redistribute_withdraw (struct bgp *bgp, afi_t afi, uint8_t type) * * Assumes 1 nexthop */ -static int -vnc_zebra_read_ipv4 ( - int command, - struct zclient *zclient, - zebra_size_t length, - vrf_id_t vrf_id) +static int vnc_zebra_read_ipv4(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) { - struct stream *s; - struct zapi_ipv4 api; - struct in_addr nexthop; - struct prefix_ipv4 p; - - s = zclient->ibuf; - nexthop.s_addr = 0; - - /* Type, flags, message. */ - api.type = stream_getc (s); - api.flags = stream_getc (s); - api.message = stream_getc (s); - - /* IPv4 prefix. */ - memset (&p, 0, sizeof (struct prefix_ipv4)); - p.family = AF_INET; - p.prefixlen = stream_getc (s); - stream_get (&p.prefix, s, PSIZE (p.prefixlen)); - - /* Nexthop, ifindex, distance, metric. */ - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) - { - api.nexthop_num = stream_getc (s); - nexthop.s_addr = stream_get_ipv4 (s); - } - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) - { - api.ifindex_num = stream_getc (s); - stream_getl (s); - } - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) - api.distance = stream_getc (s); - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) - api.metric = stream_getl (s); - else - api.metric = 0; - - if (command == ZEBRA_IPV4_ROUTE_ADD) - { - if (BGP_DEBUG (zebra, ZEBRA)) - { - char buf[2][INET_ADDRSTRLEN]; - vnc_zlog_debug_verbose - ("%s: Zebra rcvd: IPv4 route add %s %s/%d nexthop %s metric %u", - __func__, zebra_route_string (api.type), inet_ntop (AF_INET, - &p.prefix, - buf[0], - sizeof (buf - [0])), - p.prefixlen, inet_ntop (AF_INET, &nexthop, buf[1], - sizeof (buf[1])), api.metric); - } - vnc_redistribute_add ((struct prefix *) &p, &nexthop, api.metric, - api.type); - } - else - { - if (BGP_DEBUG (zebra, ZEBRA)) - { - char buf[2][INET_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("%s: Zebra rcvd: IPv4 route delete %s %s/%d " - "nexthop %s metric %u", - __func__, - zebra_route_string (api.type), - inet_ntop (AF_INET, &p.prefix, buf[0], sizeof (buf[0])), - p.prefixlen, - inet_ntop (AF_INET, &nexthop, buf[1], sizeof (buf[1])), - api.metric); - } - vnc_redistribute_delete ((struct prefix *) &p, api.type); - } - - return 0; + struct stream *s; + struct zapi_ipv4 api; + struct in_addr nexthop; + struct prefix_ipv4 p; + + s = zclient->ibuf; + nexthop.s_addr = 0; + + /* Type, flags, message. */ + api.type = stream_getc(s); + api.flags = stream_getc(s); + api.message = stream_getc(s); + + /* IPv4 prefix. */ + memset(&p, 0, sizeof(struct prefix_ipv4)); + p.family = AF_INET; + p.prefixlen = stream_getc(s); + stream_get(&p.prefix, s, PSIZE(p.prefixlen)); + + /* Nexthop, ifindex, distance, metric. */ + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) { + api.nexthop_num = stream_getc(s); + nexthop.s_addr = stream_get_ipv4(s); + } + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX)) { + api.ifindex_num = stream_getc(s); + stream_getl(s); + } + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE)) + api.distance = stream_getc(s); + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC)) + api.metric = stream_getl(s); + else + api.metric = 0; + + if (command == ZEBRA_IPV4_ROUTE_ADD) { + if (BGP_DEBUG(zebra, ZEBRA)) { + char buf[2][INET_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "%s: Zebra rcvd: IPv4 route add %s %s/%d nexthop %s metric %u", + __func__, zebra_route_string(api.type), + inet_ntop(AF_INET, &p.prefix, buf[0], + sizeof(buf[0])), + p.prefixlen, inet_ntop(AF_INET, &nexthop, + buf[1], sizeof(buf[1])), + api.metric); + } + vnc_redistribute_add((struct prefix *)&p, &nexthop, api.metric, + api.type); + } else { + if (BGP_DEBUG(zebra, ZEBRA)) { + char buf[2][INET_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "%s: Zebra rcvd: IPv4 route delete %s %s/%d " + "nexthop %s metric %u", + __func__, zebra_route_string(api.type), + inet_ntop(AF_INET, &p.prefix, buf[0], + sizeof(buf[0])), + p.prefixlen, inet_ntop(AF_INET, &nexthop, + buf[1], sizeof(buf[1])), + api.metric); + } + vnc_redistribute_delete((struct prefix *)&p, api.type); + } + + return 0; } /* Zebra route add and delete treatment. */ -static int -vnc_zebra_read_ipv6 ( - int command, - struct zclient *zclient, - zebra_size_t length, - vrf_id_t vrf_id) +static int vnc_zebra_read_ipv6(int command, struct zclient *zclient, + zebra_size_t length, vrf_id_t vrf_id) { - struct stream *s; - struct zapi_ipv6 api; - struct in6_addr nexthop; - struct prefix_ipv6 p, src_p; - - s = zclient->ibuf; - memset (&nexthop, 0, sizeof (struct in6_addr)); - - /* Type, flags, message. */ - api.type = stream_getc (s); - api.flags = stream_getc (s); - api.message = stream_getc (s); - - /* IPv6 prefix. */ - memset (&p, 0, sizeof (struct prefix_ipv6)); - p.family = AF_INET6; - p.prefixlen = stream_getc (s); - stream_get (&p.prefix, s, PSIZE (p.prefixlen)); - - memset (&src_p, 0, sizeof (struct prefix_ipv6)); - src_p.family = AF_INET6; - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_SRCPFX)) - { - src_p.prefixlen = stream_getc (s); - stream_get (&src_p.prefix, s, PSIZE (src_p.prefixlen)); - } - - if (src_p.prefixlen) - /* we completely ignore srcdest routes for now. */ - return 0; - - /* Nexthop, ifindex, distance, metric. */ - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) - { - api.nexthop_num = stream_getc (s); - stream_get (&nexthop, s, 16); - } - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) - { - api.ifindex_num = stream_getc (s); - stream_getl (s); - } - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) - api.distance = stream_getc (s); - else - api.distance = 0; - if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) - api.metric = stream_getl (s); - else - api.metric = 0; - - /* Simply ignore link-local address. */ - if (IN6_IS_ADDR_LINKLOCAL (&p.prefix)) - return 0; - - if (command == ZEBRA_IPV6_ROUTE_ADD) - { - if (BGP_DEBUG (zebra, ZEBRA)) - { - char buf[INET6_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("Zebra rcvd: IPv6 route add %s %s/%d metric %u", - zebra_route_string (api.type), - inet_ntop (AF_INET6, &p.prefix, buf, sizeof (buf)), - p.prefixlen, api.metric); - } - vnc_redistribute_add ((struct prefix *) &p, NULL, api.metric, api.type); - } - else - { - if (BGP_DEBUG (zebra, ZEBRA)) - { - char buf[INET6_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("Zebra rcvd: IPv6 route delete %s %s/%d metric %u", - zebra_route_string (api.type), - inet_ntop (AF_INET6, &p.prefix, buf, sizeof (buf)), - p.prefixlen, api.metric); - } - vnc_redistribute_delete ((struct prefix *) &p, api.type); - } - - return 0; + struct stream *s; + struct zapi_ipv6 api; + struct in6_addr nexthop; + struct prefix_ipv6 p, src_p; + + s = zclient->ibuf; + memset(&nexthop, 0, sizeof(struct in6_addr)); + + /* Type, flags, message. */ + api.type = stream_getc(s); + api.flags = stream_getc(s); + api.message = stream_getc(s); + + /* IPv6 prefix. */ + memset(&p, 0, sizeof(struct prefix_ipv6)); + p.family = AF_INET6; + p.prefixlen = stream_getc(s); + stream_get(&p.prefix, s, PSIZE(p.prefixlen)); + + memset(&src_p, 0, sizeof(struct prefix_ipv6)); + src_p.family = AF_INET6; + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { + src_p.prefixlen = stream_getc(s); + stream_get(&src_p.prefix, s, PSIZE(src_p.prefixlen)); + } + + if (src_p.prefixlen) + /* we completely ignore srcdest routes for now. */ + return 0; + + /* Nexthop, ifindex, distance, metric. */ + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) { + api.nexthop_num = stream_getc(s); + stream_get(&nexthop, s, 16); + } + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX)) { + api.ifindex_num = stream_getc(s); + stream_getl(s); + } + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE)) + api.distance = stream_getc(s); + else + api.distance = 0; + if (CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC)) + api.metric = stream_getl(s); + else + api.metric = 0; + + /* Simply ignore link-local address. */ + if (IN6_IS_ADDR_LINKLOCAL(&p.prefix)) + return 0; + + if (command == ZEBRA_IPV6_ROUTE_ADD) { + if (BGP_DEBUG(zebra, ZEBRA)) { + char buf[INET6_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "Zebra rcvd: IPv6 route add %s %s/%d metric %u", + zebra_route_string(api.type), + inet_ntop(AF_INET6, &p.prefix, buf, + sizeof(buf)), + p.prefixlen, api.metric); + } + vnc_redistribute_add((struct prefix *)&p, NULL, api.metric, + api.type); + } else { + if (BGP_DEBUG(zebra, ZEBRA)) { + char buf[INET6_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "Zebra rcvd: IPv6 route delete %s %s/%d metric %u", + zebra_route_string(api.type), + inet_ntop(AF_INET6, &p.prefix, buf, + sizeof(buf)), + p.prefixlen, api.metric); + } + vnc_redistribute_delete((struct prefix *)&p, api.type); + } + + return 0; } /*********************************************************************** @@ -520,509 +492,465 @@ vnc_zebra_read_ipv6 ( /* * low-level message builder */ -static void -vnc_zebra_route_msg ( - struct prefix *p, - int nhp_count, - void *nhp_ary, - int add) /* 1 = add, 0 = del */ +static void vnc_zebra_route_msg(struct prefix *p, int nhp_count, void *nhp_ary, + int add) /* 1 = add, 0 = del */ { - if (!nhp_count) - { - vnc_zlog_debug_verbose ("%s: empty nexthop list, skipping", __func__); - return; - } - - if (p->family == AF_INET) - { - - struct zapi_ipv4 api; - - api.flags = 0; - api.vrf_id = VRF_DEFAULT; - api.type = ZEBRA_ROUTE_VNC; - api.message = 0; - SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); /* TBD what's it mean? */ - api.nexthop_num = nhp_count; - api.nexthop = nhp_ary; - api.ifindex_num = 0; - api.instance = 0; - api.safi = SAFI_UNICAST; - - if (BGP_DEBUG (zebra, ZEBRA)) - { - - char buf[INET_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("%s: Zebra send: IPv4 route %s %s/%d, nhp_count=%d", - __func__, - (add ? "add" : "del"), - inet_ntop (AF_INET, &p->u.prefix4, buf, sizeof (buf)), - p->prefixlen, nhp_count); - } - - zapi_ipv4_route ((add ? ZEBRA_IPV4_NEXTHOP_ADD : - ZEBRA_IPV4_NEXTHOP_DELETE), zclient_vnc, - (struct prefix_ipv4 *) p, &api); - - } - else if (p->family == AF_INET6) - { - - struct zapi_ipv6 api; - ifindex_t ifindex = 0; - - /* Make Zebra API structure. */ - api.flags = 0; - api.vrf_id = VRF_DEFAULT; - api.type = ZEBRA_ROUTE_VNC; - api.message = 0; - SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); /* TBD means? */ - api.nexthop_num = nhp_count; - api.nexthop = nhp_ary; - SET_FLAG (api.message, ZAPI_MESSAGE_IFINDEX); - api.ifindex_num = 1; - api.ifindex = &ifindex; - api.instance = 0; - api.safi = SAFI_UNICAST; - - if (BGP_DEBUG (zebra, ZEBRA)) - { - - char buf[INET6_ADDRSTRLEN]; - vnc_zlog_debug_verbose ("%s: Zebra send: IPv6 route %s %s/%d nhp_count=%d", - __func__, - (add ? "add" : "del"), - inet_ntop (AF_INET6, &p->u.prefix6, buf, sizeof (buf)), - p->prefixlen, nhp_count); - } - - zapi_ipv6_route ((add ? ZEBRA_IPV6_NEXTHOP_ADD : - ZEBRA_IPV6_NEXTHOP_DELETE), zclient_vnc, - (struct prefix_ipv6 *) p, NULL, &api); - } - else - { - vnc_zlog_debug_verbose ("%s: unknown prefix address family, skipping", __func__); - return; - } + if (!nhp_count) { + vnc_zlog_debug_verbose("%s: empty nexthop list, skipping", + __func__); + return; + } + + if (p->family == AF_INET) { + + struct zapi_ipv4 api; + + api.flags = 0; + api.vrf_id = VRF_DEFAULT; + api.type = ZEBRA_ROUTE_VNC; + api.message = 0; + SET_FLAG(api.message, + ZAPI_MESSAGE_NEXTHOP); /* TBD what's it mean? */ + api.nexthop_num = nhp_count; + api.nexthop = nhp_ary; + api.ifindex_num = 0; + api.instance = 0; + api.safi = SAFI_UNICAST; + + if (BGP_DEBUG(zebra, ZEBRA)) { + + char buf[INET_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "%s: Zebra send: IPv4 route %s %s/%d, nhp_count=%d", + __func__, (add ? "add" : "del"), + inet_ntop(AF_INET, &p->u.prefix4, buf, + sizeof(buf)), + p->prefixlen, nhp_count); + } + + zapi_ipv4_route((add ? ZEBRA_IPV4_NEXTHOP_ADD + : ZEBRA_IPV4_NEXTHOP_DELETE), + zclient_vnc, (struct prefix_ipv4 *)p, &api); + + } else if (p->family == AF_INET6) { + + struct zapi_ipv6 api; + ifindex_t ifindex = 0; + + /* Make Zebra API structure. */ + api.flags = 0; + api.vrf_id = VRF_DEFAULT; + api.type = ZEBRA_ROUTE_VNC; + api.message = 0; + SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); /* TBD means? */ + api.nexthop_num = nhp_count; + api.nexthop = nhp_ary; + SET_FLAG(api.message, ZAPI_MESSAGE_IFINDEX); + api.ifindex_num = 1; + api.ifindex = &ifindex; + api.instance = 0; + api.safi = SAFI_UNICAST; + + if (BGP_DEBUG(zebra, ZEBRA)) { + + char buf[INET6_ADDRSTRLEN]; + vnc_zlog_debug_verbose( + "%s: Zebra send: IPv6 route %s %s/%d nhp_count=%d", + __func__, (add ? "add" : "del"), + inet_ntop(AF_INET6, &p->u.prefix6, buf, + sizeof(buf)), + p->prefixlen, nhp_count); + } + + zapi_ipv6_route((add ? ZEBRA_IPV6_NEXTHOP_ADD + : ZEBRA_IPV6_NEXTHOP_DELETE), + zclient_vnc, (struct prefix_ipv6 *)p, NULL, + &api); + } else { + vnc_zlog_debug_verbose( + "%s: unknown prefix address family, skipping", + __func__); + return; + } } static void -nve_list_to_nh_array ( - u_char family, - struct list *nve_list, - int *nh_count_ret, - void **nh_ary_ret, /* returned address array */ - void **nhp_ary_ret) /* returned pointer array */ +nve_list_to_nh_array(u_char family, struct list *nve_list, int *nh_count_ret, + void **nh_ary_ret, /* returned address array */ + void **nhp_ary_ret) /* returned pointer array */ { - int nve_count = listcount (nve_list); + int nve_count = listcount(nve_list); - *nh_count_ret = 0; - *nh_ary_ret = NULL; - *nhp_ary_ret = NULL; + *nh_count_ret = 0; + *nh_ary_ret = NULL; + *nhp_ary_ret = NULL; - if (!nve_count) - { - vnc_zlog_debug_verbose ("%s: empty nve_list, skipping", __func__); - return; - } + if (!nve_count) { + vnc_zlog_debug_verbose("%s: empty nve_list, skipping", + __func__); + return; + } - if (family == AF_INET) - { - struct listnode *ln; - struct in_addr *iap; - struct in_addr **v; + if (family == AF_INET) { + struct listnode *ln; + struct in_addr *iap; + struct in_addr **v; - /* - * Array of nexthop addresses - */ - *nh_ary_ret = XCALLOC (MTYPE_TMP, nve_count * sizeof (struct in_addr)); + /* + * Array of nexthop addresses + */ + *nh_ary_ret = + XCALLOC(MTYPE_TMP, nve_count * sizeof(struct in_addr)); - /* - * Array of pointers to nexthop addresses - */ - *nhp_ary_ret = - XCALLOC (MTYPE_TMP, nve_count * sizeof (struct in_addr *)); - iap = *nh_ary_ret; - v = *nhp_ary_ret; + /* + * Array of pointers to nexthop addresses + */ + *nhp_ary_ret = XCALLOC(MTYPE_TMP, + nve_count * sizeof(struct in_addr *)); + iap = *nh_ary_ret; + v = *nhp_ary_ret; - for (ln = listhead (nve_list); ln; ln = listnextnode (ln)) - { + for (ln = listhead(nve_list); ln; ln = listnextnode(ln)) { - struct rfapi_descriptor *irfd; - struct prefix nhp; + struct rfapi_descriptor *irfd; + struct prefix nhp; - irfd = listgetdata (ln); + irfd = listgetdata(ln); - if (rfapiRaddr2Qprefix (&irfd->vn_addr, &nhp)) - continue; + if (rfapiRaddr2Qprefix(&irfd->vn_addr, &nhp)) + continue; - *iap = nhp.u.prefix4; - *v = iap; - vnc_zlog_debug_verbose ("%s: ipadr: (%p)<-0x%x, ptr: (%p)<-%p", - __func__, iap, nhp.u.prefix4.s_addr, v, iap); + *iap = nhp.u.prefix4; + *v = iap; + vnc_zlog_debug_verbose( + "%s: ipadr: (%p)<-0x%x, ptr: (%p)<-%p", + __func__, iap, nhp.u.prefix4.s_addr, v, iap); - ++iap; - ++v; - ++*nh_count_ret; - } + ++iap; + ++v; + ++*nh_count_ret; + } - } - else if (family == AF_INET6) - { + } else if (family == AF_INET6) { - struct listnode *ln; + struct listnode *ln; - *nh_ary_ret = XCALLOC (MTYPE_TMP, nve_count * sizeof (struct in6_addr)); + *nh_ary_ret = + XCALLOC(MTYPE_TMP, nve_count * sizeof(struct in6_addr)); - *nhp_ary_ret = XCALLOC (MTYPE_TMP, - nve_count * sizeof (struct in6_addr *)); + *nhp_ary_ret = XCALLOC(MTYPE_TMP, + nve_count * sizeof(struct in6_addr *)); - for (ln = listhead (nve_list); ln; ln = listnextnode (ln)) - { + for (ln = listhead(nve_list); ln; ln = listnextnode(ln)) { - struct rfapi_descriptor *irfd; - struct in6_addr *iap = *nh_ary_ret; - struct in6_addr **v = *nhp_ary_ret; - struct prefix nhp; + struct rfapi_descriptor *irfd; + struct in6_addr *iap = *nh_ary_ret; + struct in6_addr **v = *nhp_ary_ret; + struct prefix nhp; - irfd = listgetdata (ln); + irfd = listgetdata(ln); - if (rfapiRaddr2Qprefix (&irfd->vn_addr, &nhp)) - continue; + if (rfapiRaddr2Qprefix(&irfd->vn_addr, &nhp)) + continue; - *iap = nhp.u.prefix6; - *v = iap; + *iap = nhp.u.prefix6; + *v = iap; - ++iap; - ++v; - ++*nh_count_ret; - } - } + ++iap; + ++v; + ++*nh_count_ret; + } + } } -static void -import_table_to_nve_list_zebra ( - struct bgp *bgp, - struct rfapi_import_table *it, - struct list **nves, - uint8_t family) +static void import_table_to_nve_list_zebra(struct bgp *bgp, + struct rfapi_import_table *it, + struct list **nves, uint8_t family) { - struct listnode *node; - struct rfapi_rfg_name *rfgn; - - /* - * Loop over the list of NVE-Groups configured for - * exporting to direct-bgp. - * - * Build a list of NVEs that use this import table - */ - *nves = NULL; - for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->rfg_export_zebra_l, node, rfgn)) - { - - /* - * If this NVE-Group's import table matches the current one - */ - if (rfgn->rfg && rfgn->rfg->nves && rfgn->rfg->rfapi_import_table == it) - { - - nve_group_to_nve_list (rfgn->rfg, nves, family); - } - } + struct listnode *node; + struct rfapi_rfg_name *rfgn; + + /* + * Loop over the list of NVE-Groups configured for + * exporting to direct-bgp. + * + * Build a list of NVEs that use this import table + */ + *nves = NULL; + for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->rfg_export_zebra_l, node, + rfgn)) { + + /* + * If this NVE-Group's import table matches the current one + */ + if (rfgn->rfg && rfgn->rfg->nves + && rfgn->rfg->rfapi_import_table == it) { + + nve_group_to_nve_list(rfgn->rfg, nves, family); + } + } } -static void -vnc_zebra_add_del_prefix ( - struct bgp *bgp, - struct rfapi_import_table *import_table, - struct route_node *rn, - int add) /* !0 = add, 0 = del */ +static void vnc_zebra_add_del_prefix(struct bgp *bgp, + struct rfapi_import_table *import_table, + struct route_node *rn, + int add) /* !0 = add, 0 = del */ { - struct list *nves; - - int nexthop_count = 0; - void *nh_ary = NULL; - void *nhp_ary = NULL; - - vnc_zlog_debug_verbose ("%s: entry, add=%d", __func__, add); - - if (zclient_vnc->sock < 0) - return; - - if (rn->p.family != AF_INET - && rn->p.family != AF_INET6) - { - zlog_err ("%s: invalid route node addr family", __func__); - return; - } - - if (!zclient_vnc->redist[family2afi(rn->p.family)][ZEBRA_ROUTE_VNC]) - return; - - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: bgp->rfapi_cfg is NULL, skipping", __func__); - return; - } - if (!listcount (bgp->rfapi_cfg->rfg_export_zebra_l)) - { - vnc_zlog_debug_verbose ("%s: no zebra export nve group, skipping", __func__); - return; - } - - import_table_to_nve_list_zebra (bgp, import_table, &nves, rn->p.family); - - if (nves) - { - nve_list_to_nh_array (rn->p.family, - nves, &nexthop_count, &nh_ary, &nhp_ary); - - list_delete (nves); - - if (nexthop_count) - vnc_zebra_route_msg (&rn->p, nexthop_count, nhp_ary, add); - } - - if (nhp_ary) - XFREE (MTYPE_TMP, nhp_ary); - if (nh_ary) - XFREE (MTYPE_TMP, nh_ary); + struct list *nves; + + int nexthop_count = 0; + void *nh_ary = NULL; + void *nhp_ary = NULL; + + vnc_zlog_debug_verbose("%s: entry, add=%d", __func__, add); + + if (zclient_vnc->sock < 0) + return; + + if (rn->p.family != AF_INET && rn->p.family != AF_INET6) { + zlog_err("%s: invalid route node addr family", __func__); + return; + } + + if (!zclient_vnc->redist[family2afi(rn->p.family)][ZEBRA_ROUTE_VNC]) + return; + + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping", + __func__); + return; + } + if (!listcount(bgp->rfapi_cfg->rfg_export_zebra_l)) { + vnc_zlog_debug_verbose( + "%s: no zebra export nve group, skipping", __func__); + return; + } + + import_table_to_nve_list_zebra(bgp, import_table, &nves, rn->p.family); + + if (nves) { + nve_list_to_nh_array(rn->p.family, nves, &nexthop_count, + &nh_ary, &nhp_ary); + + list_delete(nves); + + if (nexthop_count) + vnc_zebra_route_msg(&rn->p, nexthop_count, nhp_ary, + add); + } + + if (nhp_ary) + XFREE(MTYPE_TMP, nhp_ary); + if (nh_ary) + XFREE(MTYPE_TMP, nh_ary); } -void -vnc_zebra_add_prefix ( - struct bgp *bgp, - struct rfapi_import_table *import_table, - struct route_node *rn) +void vnc_zebra_add_prefix(struct bgp *bgp, + struct rfapi_import_table *import_table, + struct route_node *rn) { - vnc_zebra_add_del_prefix (bgp, import_table, rn, 1); + vnc_zebra_add_del_prefix(bgp, import_table, rn, 1); } -void -vnc_zebra_del_prefix ( - struct bgp *bgp, - struct rfapi_import_table *import_table, - struct route_node *rn) +void vnc_zebra_del_prefix(struct bgp *bgp, + struct rfapi_import_table *import_table, + struct route_node *rn) { - vnc_zebra_add_del_prefix (bgp, import_table, rn, 0); + vnc_zebra_add_del_prefix(bgp, import_table, rn, 0); } - -static void -vnc_zebra_add_del_nve ( - struct bgp *bgp, - struct rfapi_descriptor *rfd, - int add) /* 0 = del, !0 = add */ +static void vnc_zebra_add_del_nve(struct bgp *bgp, struct rfapi_descriptor *rfd, + int add) /* 0 = del, !0 = add */ { - struct listnode *node; - struct rfapi_rfg_name *rfgn; - struct rfapi_nve_group_cfg *rfg = rfd->rfg; - afi_t afi = family2afi (rfd->vn_addr.addr_family); - struct prefix nhp; -// struct prefix *nhpp; - void *pAddr; - - vnc_zlog_debug_verbose ("%s: entry, add=%d", __func__, add); - - if (zclient_vnc->sock < 0) - return; - - if (!zclient_vnc->redist[afi][ZEBRA_ROUTE_VNC]) - return; - - if (afi != AFI_IP && afi != AFI_IP6) - { - zlog_err ("%s: invalid vn addr family", __func__); - return; - } - - if (!bgp) - return; - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: bgp->rfapi_cfg is NULL, skipping", __func__); - return; - } - - if (rfapiRaddr2Qprefix (&rfd->vn_addr, &nhp)) - { - vnc_zlog_debug_verbose ("%s: can't convert vn address, skipping", __func__); - return; - } - - pAddr = &nhp.u.prefix4; - - /* - * Loop over the list of NVE-Groups configured for - * exporting to zebra and see if this new NVE's - * group is among them. - */ - for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->rfg_export_zebra_l, node, rfgn)) - { - - /* - * Yes, this NVE's group is configured for export to zebra - */ - if (rfgn->rfg == rfg) - { - - struct route_table *rt = NULL; - struct route_node *rn; - struct rfapi_import_table *import_table; - import_table = rfg->rfapi_import_table; - - vnc_zlog_debug_verbose ("%s: this nve's group is in zebra export list", - __func__); - - rt = import_table->imported_vpn[afi]; - - /* - * Walk the NVE-Group's VNC Import table - */ - for (rn = route_top (rt); rn; rn = route_next (rn)) - { - - if (rn->info) - { - - vnc_zlog_debug_verbose ("%s: sending %s", __func__, - (add ? "add" : "del")); - vnc_zebra_route_msg (&rn->p, 1, &pAddr, add); - } - } - } - } + struct listnode *node; + struct rfapi_rfg_name *rfgn; + struct rfapi_nve_group_cfg *rfg = rfd->rfg; + afi_t afi = family2afi(rfd->vn_addr.addr_family); + struct prefix nhp; + // struct prefix *nhpp; + void *pAddr; + + vnc_zlog_debug_verbose("%s: entry, add=%d", __func__, add); + + if (zclient_vnc->sock < 0) + return; + + if (!zclient_vnc->redist[afi][ZEBRA_ROUTE_VNC]) + return; + + if (afi != AFI_IP && afi != AFI_IP6) { + zlog_err("%s: invalid vn addr family", __func__); + return; + } + + if (!bgp) + return; + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping", + __func__); + return; + } + + if (rfapiRaddr2Qprefix(&rfd->vn_addr, &nhp)) { + vnc_zlog_debug_verbose("%s: can't convert vn address, skipping", + __func__); + return; + } + + pAddr = &nhp.u.prefix4; + + /* + * Loop over the list of NVE-Groups configured for + * exporting to zebra and see if this new NVE's + * group is among them. + */ + for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->rfg_export_zebra_l, node, + rfgn)) { + + /* + * Yes, this NVE's group is configured for export to zebra + */ + if (rfgn->rfg == rfg) { + + struct route_table *rt = NULL; + struct route_node *rn; + struct rfapi_import_table *import_table; + import_table = rfg->rfapi_import_table; + + vnc_zlog_debug_verbose( + "%s: this nve's group is in zebra export list", + __func__); + + rt = import_table->imported_vpn[afi]; + + /* + * Walk the NVE-Group's VNC Import table + */ + for (rn = route_top(rt); rn; rn = route_next(rn)) { + + if (rn->info) { + + vnc_zlog_debug_verbose( + "%s: sending %s", __func__, + (add ? "add" : "del")); + vnc_zebra_route_msg(&rn->p, 1, &pAddr, + add); + } + } + } + } } -void -vnc_zebra_add_nve (struct bgp *bgp, struct rfapi_descriptor *rfd) +void vnc_zebra_add_nve(struct bgp *bgp, struct rfapi_descriptor *rfd) { - vnc_zebra_add_del_nve (bgp, rfd, 1); + vnc_zebra_add_del_nve(bgp, rfd, 1); } -void -vnc_zebra_del_nve (struct bgp *bgp, struct rfapi_descriptor *rfd) +void vnc_zebra_del_nve(struct bgp *bgp, struct rfapi_descriptor *rfd) { - vnc_zebra_add_del_nve (bgp, rfd, 0); + vnc_zebra_add_del_nve(bgp, rfd, 0); } -static void -vnc_zebra_add_del_group_afi ( - struct bgp *bgp, - struct rfapi_nve_group_cfg *rfg, - afi_t afi, - int add) +static void vnc_zebra_add_del_group_afi(struct bgp *bgp, + struct rfapi_nve_group_cfg *rfg, + afi_t afi, int add) { - struct route_table *rt = NULL; - struct route_node *rn; - struct rfapi_import_table *import_table; - uint8_t family = afi2family (afi); - - struct list *nves = NULL; - int nexthop_count = 0; - void *nh_ary = NULL; - void *nhp_ary = NULL; - - vnc_zlog_debug_verbose ("%s: entry", __func__); - import_table = rfg->rfapi_import_table; - if (!import_table) - { - vnc_zlog_debug_verbose ("%s: import table not defined, returning", __func__); - return; - } - - if (afi == AFI_IP - || afi == AFI_IP6) - { - rt = import_table->imported_vpn[afi]; - } - else - { - zlog_err ("%s: bad afi %d", __func__, afi); - return; - } - - if (!family) - { - zlog_err ("%s: computed bad family: %d", __func__, family); - return; - } - - if (!rfg->nves) - { - /* avoid segfault below if list doesn't exist */ - vnc_zlog_debug_verbose ("%s: no NVEs in this group", __func__); - return; - } - - nve_group_to_nve_list (rfg, &nves, family); - if (nves) - { - vnc_zlog_debug_verbose ("%s: have nves", __func__); - nve_list_to_nh_array (family, nves, &nexthop_count, &nh_ary, &nhp_ary); - - vnc_zlog_debug_verbose ("%s: family: %d, nve count: %d", __func__, family, - nexthop_count); - - list_delete (nves); - - if (nexthop_count) - { - /* - * Walk the NVE-Group's VNC Import table - */ - for (rn = route_top (rt); rn; rn = route_next (rn)) - { - if (rn->info) - { - vnc_zebra_route_msg (&rn->p, nexthop_count, nhp_ary, add); - } - } - } - if (nhp_ary) - XFREE (MTYPE_TMP, nhp_ary); - if (nh_ary) - XFREE (MTYPE_TMP, nh_ary); - } + struct route_table *rt = NULL; + struct route_node *rn; + struct rfapi_import_table *import_table; + uint8_t family = afi2family(afi); + + struct list *nves = NULL; + int nexthop_count = 0; + void *nh_ary = NULL; + void *nhp_ary = NULL; + + vnc_zlog_debug_verbose("%s: entry", __func__); + import_table = rfg->rfapi_import_table; + if (!import_table) { + vnc_zlog_debug_verbose( + "%s: import table not defined, returning", __func__); + return; + } + + if (afi == AFI_IP || afi == AFI_IP6) { + rt = import_table->imported_vpn[afi]; + } else { + zlog_err("%s: bad afi %d", __func__, afi); + return; + } + + if (!family) { + zlog_err("%s: computed bad family: %d", __func__, family); + return; + } + + if (!rfg->nves) { + /* avoid segfault below if list doesn't exist */ + vnc_zlog_debug_verbose("%s: no NVEs in this group", __func__); + return; + } + + nve_group_to_nve_list(rfg, &nves, family); + if (nves) { + vnc_zlog_debug_verbose("%s: have nves", __func__); + nve_list_to_nh_array(family, nves, &nexthop_count, &nh_ary, + &nhp_ary); + + vnc_zlog_debug_verbose("%s: family: %d, nve count: %d", + __func__, family, nexthop_count); + + list_delete(nves); + + if (nexthop_count) { + /* + * Walk the NVE-Group's VNC Import table + */ + for (rn = route_top(rt); rn; rn = route_next(rn)) { + if (rn->info) { + vnc_zebra_route_msg(&rn->p, + nexthop_count, + nhp_ary, add); + } + } + } + if (nhp_ary) + XFREE(MTYPE_TMP, nhp_ary); + if (nh_ary) + XFREE(MTYPE_TMP, nh_ary); + } } -void -vnc_zebra_add_group (struct bgp *bgp, struct rfapi_nve_group_cfg *rfg) +void vnc_zebra_add_group(struct bgp *bgp, struct rfapi_nve_group_cfg *rfg) { - vnc_zebra_add_del_group_afi (bgp, rfg, AFI_IP, 1); - vnc_zebra_add_del_group_afi (bgp, rfg, AFI_IP6, 1); + vnc_zebra_add_del_group_afi(bgp, rfg, AFI_IP, 1); + vnc_zebra_add_del_group_afi(bgp, rfg, AFI_IP6, 1); } -void -vnc_zebra_del_group (struct bgp *bgp, struct rfapi_nve_group_cfg *rfg) +void vnc_zebra_del_group(struct bgp *bgp, struct rfapi_nve_group_cfg *rfg) { - vnc_zlog_debug_verbose ("%s: entry", __func__); - vnc_zebra_add_del_group_afi (bgp, rfg, AFI_IP, 0); - vnc_zebra_add_del_group_afi (bgp, rfg, AFI_IP6, 0); + vnc_zlog_debug_verbose("%s: entry", __func__); + vnc_zebra_add_del_group_afi(bgp, rfg, AFI_IP, 0); + vnc_zebra_add_del_group_afi(bgp, rfg, AFI_IP6, 0); } -void -vnc_zebra_reexport_group_afi ( - struct bgp *bgp, - struct rfapi_nve_group_cfg *rfg, - afi_t afi) +void vnc_zebra_reexport_group_afi(struct bgp *bgp, + struct rfapi_nve_group_cfg *rfg, afi_t afi) { - struct listnode *node; - struct rfapi_rfg_name *rfgn; - - for (ALL_LIST_ELEMENTS_RO (bgp->rfapi_cfg->rfg_export_zebra_l, node, rfgn)) - { - - if (rfgn->rfg == rfg) - { - vnc_zebra_add_del_group_afi (bgp, rfg, afi, 0); - vnc_zebra_add_del_group_afi (bgp, rfg, afi, 1); - break; - } - } + struct listnode *node; + struct rfapi_rfg_name *rfgn; + + for (ALL_LIST_ELEMENTS_RO(bgp->rfapi_cfg->rfg_export_zebra_l, node, + rfgn)) { + + if (rfgn->rfg == rfg) { + vnc_zebra_add_del_group_afi(bgp, rfg, afi, 0); + vnc_zebra_add_del_group_afi(bgp, rfg, afi, 1); + break; + } + } } @@ -1032,77 +960,76 @@ vnc_zebra_reexport_group_afi ( /* Other routes redistribution into BGP. */ -int -vnc_redistribute_set (struct bgp *bgp, afi_t afi, int type) +int vnc_redistribute_set(struct bgp *bgp, afi_t afi, int type) { - if (!bgp->rfapi_cfg) - { - return CMD_WARNING; - } + if (!bgp->rfapi_cfg) { + return CMD_WARNING; + } - /* Set flag to BGP instance. */ - bgp->rfapi_cfg->redist[afi][type] = 1; + /* Set flag to BGP instance. */ + bgp->rfapi_cfg->redist[afi][type] = 1; -// bgp->redist[afi][type] = 1; + // bgp->redist[afi][type] = 1; - /* Return if already redistribute flag is set. */ - if (zclient_vnc->redist[afi][type]) - return CMD_WARNING; + /* Return if already redistribute flag is set. */ + if (zclient_vnc->redist[afi][type]) + return CMD_WARNING; - vrf_bitmap_set (zclient_vnc->redist[afi][type], VRF_DEFAULT); + vrf_bitmap_set(zclient_vnc->redist[afi][type], VRF_DEFAULT); - //zclient_vnc->redist[afi][type] = 1; + // zclient_vnc->redist[afi][type] = 1; - /* Return if zebra connection is not established. */ - if (zclient_vnc->sock < 0) - return CMD_WARNING; + /* Return if zebra connection is not established. */ + if (zclient_vnc->sock < 0) + return CMD_WARNING; - if (BGP_DEBUG (zebra, ZEBRA)) - vnc_zlog_debug_verbose ("Zebra send: redistribute add %s", zebra_route_string (type)); + if (BGP_DEBUG(zebra, ZEBRA)) + vnc_zlog_debug_verbose("Zebra send: redistribute add %s", + zebra_route_string(type)); - /* Send distribute add message to zebra. */ - zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient_vnc, afi, type, 0, VRF_DEFAULT); + /* Send distribute add message to zebra. */ + zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient_vnc, afi, type, + 0, VRF_DEFAULT); - return CMD_SUCCESS; + return CMD_SUCCESS; } /* Unset redistribution. */ -int -vnc_redistribute_unset (struct bgp *bgp, afi_t afi, int type) +int vnc_redistribute_unset(struct bgp *bgp, afi_t afi, int type) { - vnc_zlog_debug_verbose ("%s: type=%d entry", __func__, type); - - if (!bgp->rfapi_cfg) - { - vnc_zlog_debug_verbose ("%s: return (no rfapi_cfg)", __func__); - return CMD_WARNING; - } - - /* Unset flag from BGP instance. */ - bgp->rfapi_cfg->redist[afi][type] = 0; - - /* Return if zebra connection is disabled. */ - if (!zclient_vnc->redist[afi][type]) - return CMD_WARNING; - zclient_vnc->redist[afi][type] = 0; - - if (bgp->rfapi_cfg->redist[AFI_IP][type] == 0 - && bgp->rfapi_cfg->redist[AFI_IP6][type] == 0 && zclient_vnc->sock >= 0) - { - /* Send distribute delete message to zebra. */ - if (BGP_DEBUG (zebra, ZEBRA)) - vnc_zlog_debug_verbose ("Zebra send: redistribute delete %s", - zebra_route_string (type)); - zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient_vnc, afi, type, - 0, VRF_DEFAULT); - } - - /* Withdraw redistributed routes from current BGP's routing table. */ - vnc_redistribute_withdraw (bgp, afi, type); - - vnc_zlog_debug_verbose ("%s: return", __func__); - - return CMD_SUCCESS; + vnc_zlog_debug_verbose("%s: type=%d entry", __func__, type); + + if (!bgp->rfapi_cfg) { + vnc_zlog_debug_verbose("%s: return (no rfapi_cfg)", __func__); + return CMD_WARNING; + } + + /* Unset flag from BGP instance. */ + bgp->rfapi_cfg->redist[afi][type] = 0; + + /* Return if zebra connection is disabled. */ + if (!zclient_vnc->redist[afi][type]) + return CMD_WARNING; + zclient_vnc->redist[afi][type] = 0; + + if (bgp->rfapi_cfg->redist[AFI_IP][type] == 0 + && bgp->rfapi_cfg->redist[AFI_IP6][type] == 0 + && zclient_vnc->sock >= 0) { + /* Send distribute delete message to zebra. */ + if (BGP_DEBUG(zebra, ZEBRA)) + vnc_zlog_debug_verbose( + "Zebra send: redistribute delete %s", + zebra_route_string(type)); + zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient_vnc, + afi, type, 0, VRF_DEFAULT); + } + + /* Withdraw redistributed routes from current BGP's routing table. */ + vnc_redistribute_withdraw(bgp, afi, type); + + vnc_zlog_debug_verbose("%s: return", __func__); + + return CMD_SUCCESS; } @@ -1110,25 +1037,23 @@ vnc_redistribute_unset (struct bgp *bgp, afi_t afi, int type) * Modeled after bgp_zebra.c'bgp_zebra_init() * Charriere asks, "Is it possible to carry two?" */ -void -vnc_zebra_init (struct thread_master *master) +void vnc_zebra_init(struct thread_master *master) { - /* Set default values. */ - zclient_vnc = zclient_new (master); - zclient_init (zclient_vnc, ZEBRA_ROUTE_VNC, 0); - - zclient_vnc->redistribute_route_ipv4_add = vnc_zebra_read_ipv4; - zclient_vnc->redistribute_route_ipv4_del = vnc_zebra_read_ipv4; - zclient_vnc->redistribute_route_ipv6_add = vnc_zebra_read_ipv6; - zclient_vnc->redistribute_route_ipv6_del = vnc_zebra_read_ipv6; + /* Set default values. */ + zclient_vnc = zclient_new(master); + zclient_init(zclient_vnc, ZEBRA_ROUTE_VNC, 0); + + zclient_vnc->redistribute_route_ipv4_add = vnc_zebra_read_ipv4; + zclient_vnc->redistribute_route_ipv4_del = vnc_zebra_read_ipv4; + zclient_vnc->redistribute_route_ipv6_add = vnc_zebra_read_ipv6; + zclient_vnc->redistribute_route_ipv6_del = vnc_zebra_read_ipv6; } -void -vnc_zebra_destroy (void) +void vnc_zebra_destroy(void) { - if (zclient_vnc == NULL) - return; - zclient_stop (zclient_vnc); - zclient_free (zclient_vnc); - zclient_vnc = NULL; + if (zclient_vnc == NULL) + return; + zclient_stop(zclient_vnc); + zclient_free(zclient_vnc); + zclient_vnc = NULL; } |