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staticd: add ability to create onlink static route
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
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02dc8ba37e
@ -64,8 +64,8 @@ int static_add_route(afi_t afi, safi_t safi, uint8_t type, struct prefix *p,
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const char *ifname, enum static_blackhole_type bh_type,
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route_tag_t tag, uint8_t distance, struct static_vrf *svrf,
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struct static_vrf *nh_svrf,
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struct static_nh_label *snh_label,
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uint32_t table_id)
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struct static_nh_label *snh_label, uint32_t table_id,
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bool onlink)
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{
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struct route_node *rn;
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struct static_route *si;
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@ -104,7 +104,7 @@ int static_add_route(afi_t afi, safi_t safi, uint8_t type, struct prefix *p,
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&& (table_id == si->table_id)
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&& !memcmp(&si->snh_label, snh_label,
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sizeof(struct static_nh_label))
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&& si->bh_type == bh_type) {
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&& si->bh_type == bh_type && si->onlink == onlink) {
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route_unlock_node(rn);
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return 0;
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}
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@ -129,6 +129,7 @@ int static_add_route(afi_t afi, safi_t safi, uint8_t type, struct prefix *p,
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si->nh_vrf_id = nh_svrf->vrf->vrf_id;
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strcpy(si->nh_vrfname, nh_svrf->vrf->name);
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si->table_id = table_id;
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si->onlink = onlink;
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if (ifname)
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strlcpy(si->ifname, ifname, sizeof(si->ifname));
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@ -79,6 +79,13 @@ struct static_route {
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struct static_nh_label snh_label;
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uint32_t table_id;
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/*
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* Whether to pretend the nexthop is directly attached to the specified
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* link. Only meaningful when both a gateway address and interface name
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* are specified.
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*/
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bool onlink;
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};
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extern bool mpls_enabled;
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@ -94,7 +101,7 @@ extern int static_add_route(afi_t afi, safi_t safi, uint8_t type,
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uint8_t distance, struct static_vrf *svrf,
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struct static_vrf *nh_svrf,
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struct static_nh_label *snh_label,
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uint32_t table_id);
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uint32_t table_id, bool onlink);
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extern int static_delete_route(afi_t afi, safi_t safi, uint8_t type,
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struct prefix *p, struct prefix_ipv6 *src_p,
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@ -79,6 +79,7 @@ struct static_hold_route {
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char *distance_str;
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char *label_str;
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char *table_str;
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bool onlink;
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/* processed & masked destination, used for config display */
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struct prefix dest;
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@ -273,7 +274,8 @@ static int static_route_leak(
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afi_t afi, safi_t safi, const char *negate, const char *dest_str,
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const char *mask_str, const char *src_str, const char *gate_str,
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const char *ifname, const char *flag_str, const char *tag_str,
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const char *distance_str, const char *label_str, const char *table_str)
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const char *distance_str, const char *label_str, const char *table_str,
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bool onlink)
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{
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int ret;
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uint8_t distance;
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@ -509,7 +511,7 @@ static int static_route_leak(
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if (!negate) {
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static_add_route(afi, safi, type, &p, src_p, gatep, ifname,
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bh_type, tag, distance, svrf, nh_svrf,
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&snh_label, table_id);
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&snh_label, table_id, onlink);
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/* Mark as having FRR configuration */
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vrf_set_user_cfged(svrf->vrf);
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} else {
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@ -550,10 +552,10 @@ static int static_route(struct vty *vty, afi_t afi, safi_t safi,
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if (!svrf)
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return CMD_WARNING_CONFIG_FAILED;
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}
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return static_route_leak(
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vty, svrf, svrf, afi, safi, negate, dest_str, mask_str, src_str,
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gate_str, ifname, flag_str, tag_str, distance_str, label_str,
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table_str);
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return static_route_leak(vty, svrf, svrf, afi, safi, negate, dest_str,
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mask_str, src_str, gate_str, ifname, flag_str,
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tag_str, distance_str, label_str, table_str,
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false);
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}
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void static_config_install_delayed_routes(struct static_vrf *svrf)
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@ -578,7 +580,8 @@ void static_config_install_delayed_routes(struct static_vrf *svrf)
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NULL, osvrf, nh_svrf, shr->afi, shr->safi, NULL,
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shr->dest_str, shr->mask_str, shr->src_str,
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shr->gate_str, shr->ifname, shr->flag_str, shr->tag_str,
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shr->distance_str, shr->label_str, shr->table_str);
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shr->distance_str, shr->label_str, shr->table_str,
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shr->onlink);
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if (installed != CMD_SUCCESS)
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zlog_debug(
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@ -817,9 +820,10 @@ DEFPY(ip_route_blackhole_vrf,
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* valid. Add an assert to make it happy
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*/
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assert(prefix);
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return static_route_leak(vty, svrf, svrf, AFI_IP, SAFI_UNICAST,
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no, prefix, mask_str, NULL, NULL, NULL,
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flag, tag_str, distance_str, label, table_str);
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return static_route_leak(vty, svrf, svrf, AFI_IP, SAFI_UNICAST, no,
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prefix, mask_str, NULL, NULL, NULL, flag,
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tag_str, distance_str, label, table_str,
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false);
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}
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DEFPY(ip_route_address_interface,
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@ -835,6 +839,7 @@ DEFPY(ip_route_address_interface,
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|label WORD \
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|table (1-4294967295) \
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|nexthop-vrf NAME \
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|onlink$onlink \
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}]",
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NO_STR IP_STR
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"Establish static routes\n"
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@ -851,7 +856,8 @@ DEFPY(ip_route_address_interface,
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MPLS_LABEL_HELPSTR
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"Table to configure\n"
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"The table number to configure\n"
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VRF_CMD_HELP_STR)
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VRF_CMD_HELP_STR
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"Treat the nexthop as directly attached to the interface")
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{
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struct static_vrf *svrf;
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struct static_vrf *nh_svrf;
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@ -884,10 +890,10 @@ DEFPY(ip_route_address_interface,
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return CMD_WARNING_CONFIG_FAILED;
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}
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
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NULL, gate_str, ifname, flag, tag_str, distance_str, label,
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table_str);
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return static_route_leak(vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no,
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prefix, mask_str, NULL, gate_str, ifname, flag,
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tag_str, distance_str, label, table_str,
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!!onlink);
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}
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DEFPY(ip_route_address_interface_vrf,
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@ -902,6 +908,7 @@ DEFPY(ip_route_address_interface_vrf,
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|label WORD \
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|table (1-4294967295) \
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|nexthop-vrf NAME \
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|onlink$onlink \
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}]",
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NO_STR IP_STR
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"Establish static routes\n"
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@ -917,7 +924,8 @@ DEFPY(ip_route_address_interface_vrf,
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MPLS_LABEL_HELPSTR
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"Table to configure\n"
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"The table number to configure\n"
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VRF_CMD_HELP_STR)
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VRF_CMD_HELP_STR
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"Treat the nexthop as directly attached to the interface")
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{
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VTY_DECLVAR_CONTEXT(vrf, vrf);
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const char *flag = NULL;
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@ -945,10 +953,10 @@ DEFPY(ip_route_address_interface_vrf,
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return CMD_WARNING_CONFIG_FAILED;
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}
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
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NULL, gate_str, ifname, flag, tag_str, distance_str, label,
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table_str);
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return static_route_leak(vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no,
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prefix, mask_str, NULL, gate_str, ifname, flag,
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tag_str, distance_str, label, table_str,
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!!onlink);
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}
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DEFPY(ip_route,
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@ -1014,7 +1022,7 @@ DEFPY(ip_route,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
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NULL, gate_str, ifname, flag, tag_str, distance_str, label,
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table_str);
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table_str, false);
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}
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DEFPY(ip_route_vrf,
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@ -1073,7 +1081,7 @@ DEFPY(ip_route_vrf,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP, SAFI_UNICAST, no, prefix, mask_str,
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NULL, gate_str, ifname, flag, tag_str, distance_str, label,
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table_str);
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table_str, false);
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}
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DEFPY(ipv6_route_blackhole,
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@ -1159,7 +1167,7 @@ DEFPY(ipv6_route_blackhole_vrf,
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return static_route_leak(
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vty, svrf, svrf, AFI_IP6, SAFI_UNICAST, no, prefix_str, NULL,
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from_str, NULL, NULL, flag, tag_str, distance_str, label,
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table_str);
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table_str, false);
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}
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DEFPY(ipv6_route_address_interface,
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@ -1174,6 +1182,7 @@ DEFPY(ipv6_route_address_interface,
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|label WORD \
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|table (1-4294967295) \
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|nexthop-vrf NAME \
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|onlink$onlink \
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}]",
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NO_STR
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IPV6_STR
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@ -1190,7 +1199,8 @@ DEFPY(ipv6_route_address_interface,
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MPLS_LABEL_HELPSTR
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"Table to configure\n"
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"The table number to configure\n"
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VRF_CMD_HELP_STR)
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VRF_CMD_HELP_STR
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"Treat the nexthop as directly attached to the interface")
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{
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struct static_vrf *svrf;
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struct static_vrf *nh_svrf;
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@ -1220,7 +1230,7 @@ DEFPY(ipv6_route_address_interface,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP6, SAFI_UNICAST, no, prefix_str, NULL,
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from_str, gate_str, ifname, NULL, tag_str, distance_str, label,
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table_str);
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table_str, !!onlink);
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}
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DEFPY(ipv6_route_address_interface_vrf,
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@ -1234,6 +1244,7 @@ DEFPY(ipv6_route_address_interface_vrf,
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|label WORD \
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|table (1-4294967295) \
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|nexthop-vrf NAME \
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|onlink$onlink \
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}]",
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NO_STR
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IPV6_STR
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@ -1249,7 +1260,8 @@ DEFPY(ipv6_route_address_interface_vrf,
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MPLS_LABEL_HELPSTR
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"Table to configure\n"
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"The table number to configure\n"
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VRF_CMD_HELP_STR)
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VRF_CMD_HELP_STR
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"Treat the nexthop as directly attached to the interface")
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{
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VTY_DECLVAR_CONTEXT(vrf, vrf);
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struct static_vrf *svrf = vrf->info;
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@ -1274,7 +1286,7 @@ DEFPY(ipv6_route_address_interface_vrf,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP6, SAFI_UNICAST, no, prefix_str, NULL,
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from_str, gate_str, ifname, NULL, tag_str, distance_str, label,
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table_str);
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table_str, !!onlink);
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}
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DEFPY(ipv6_route,
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@ -1334,7 +1346,7 @@ DEFPY(ipv6_route,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP6, SAFI_UNICAST, no, prefix_str, NULL,
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from_str, gate_str, ifname, NULL, tag_str, distance_str, label,
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table_str);
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table_str, false);
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}
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DEFPY(ipv6_route_vrf,
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@ -1387,7 +1399,7 @@ DEFPY(ipv6_route_vrf,
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return static_route_leak(
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vty, svrf, nh_svrf, AFI_IP6, SAFI_UNICAST, no, prefix_str, NULL,
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from_str, gate_str, ifname, NULL, tag_str, distance_str, label,
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table_str);
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table_str, false);
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}
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DEFUN_NOSH (show_debugging_staticd,
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@ -364,6 +364,8 @@ extern void static_zebra_route_add(struct route_node *rn,
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memcpy(&api.src_prefix, src_pp, sizeof(api.src_prefix));
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}
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SET_FLAG(api.flags, ZEBRA_FLAG_RR_USE_DISTANCE);
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if (si_changed->onlink)
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SET_FLAG(api.flags, ZEBRA_FLAG_ONLINK);
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SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
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if (si_changed->distance) {
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SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE);
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