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frr/zebra/zebra_script.c
Rajasekar Raja aa4786642c zebra: vlan to dplane Offload from main 
Trigger: Zebra core seen when we convert l2vni to l3vni and back

BackTrace:
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(_zlog_assert_failed+0xe9) [0x7f4af96989d9]
/usr/lib/frr/zebra(zebra_vxlan_if_vni_up+0x250) [0x5561022ae030]
/usr/lib/frr/zebra(netlink_vlan_change+0x2f4) [0x5561021fd354]
/usr/lib/frr/zebra(netlink_parse_info+0xff) [0x55610220d37f]
/usr/lib/frr/zebra(+0xc264a) [0x55610220d64a]
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(thread_call+0x7d) [0x7f4af967e96d]
/usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(frr_run+0xe8) [0x7f4af9637588]
/usr/lib/frr/zebra(main+0x402) [0x5561021f4d32]
/lib/x86_64-linux-gnu/libc.so.6(+0x2724a) [0x7f4af932624a]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7f4af9326305]
/usr/lib/frr/zebra(_start+0x21) [0x5561021f72f1]

Root Cause:
In working case,
 - We get a RTM_NEWLINK whose ctx is enqueued by zebra dplane and
   dequeued by zebra main and processed i.e.
   (102000 is deleted from vxlan99) before we handle RTM_NEWVLAN.
 - So in handling of NEWVLAN (vxlan99) we bail out since find with
   vlan id 703 does not exist.

root@leaf2:mgmt:/var/log/frr# cat ~/raja_logs/working/nocras.log  | grep "RTM_NEWLINK\|QUEUED\|vxlan99\|in thread"
2024/07/18 23:09:33.741105 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=616, seq=0, pid=0
2024/07/18 23:09:33.744061 ZEBRA: [K8FXY-V65ZJ] Intf dplane ctx 0x7f2244000cf0, op INTF_INSTALL, ifindex (65), result QUEUED
2024/07/18 23:09:33.767240 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=508, seq=0, pid=0
2024/07/18 23:09:33.767380 ZEBRA: [K8FXY-V65ZJ] Intf dplane ctx 0x7f2244000cf0, op INTF_INSTALL, ifindex (73), result QUEUED
2024/07/18 23:09:33.767389 ZEBRA: [NVFT0-HS1EX] INTF_INSTALL for vxlan99(73)
2024/07/18 23:09:33.767404 ZEBRA: [TQR2A-H2RFY] Vlan-Vni(1186:1186-6000002:6000002) update for VxLAN IF vxlan99(73)
2024/07/18 23:09:33.767422 ZEBRA: [TP4VP-XZ627] Del L2-VNI 102000 intf vxlan99(73)
2024/07/18 23:09:33.767858 ZEBRA: [QYXB9-6RNNK] RTM_NEWVLAN bridge IF vxlan99 NS 0
2024/07/18 23:09:33.767866 ZEBRA: [KKZGZ-8PCDW] Cannot find VNI for VID (703) IF vxlan99 for vlan state update >>>>BAIL OUT

In failure case,
 - The NEWVLAN is received first even before processing RTM_NEWLINK.
 - Since the vxlan id 102000 is not removed from the vxlan99,
   the find with vlan id 703 returns the 102000 one and we invoke
   zebra_vxlan_if_vni_up where the interfaces don't match and assert.

root@leaf2:mgmt:/var/log/frr# cat ~/raja_logs/noworking/crash.log | grep "RTM_NEWLINK\|QUEUED\|vxlan99\|in thread"
2024/07/18 22:26:43.829370 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=616, seq=0, pid=0
2024/07/18 22:26:43.829646 ZEBRA: [K8FXY-V65ZJ] Intf dplane ctx 0x7fe07c026d30, op INTF_INSTALL, ifindex (65), result QUEUED
2024/07/18 22:26:43.853930 ZEBRA: [QYXB9-6RNNK] RTM_NEWVLAN bridge IF vxlan99 NS 0
2024/07/18 22:26:43.853949 ZEBRA: [K61WJ-XQQ3X] Intf vxlan99(73) L2-VNI 102000 is UP >>> VLAN PROCESSED BEFORE INTF EVENT
2024/07/18 22:26:43.853951 ZEBRA: [SPV50-BX2RP] RAJA zevpn_vxlanif vxlan48 and ifp vxlan99
2024/07/18 22:26:43.854005 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=508, seq=0, pid=0
2024/07/18 22:26:43.854241 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=516, seq=0, pid=0
2024/07/18 22:26:43.854251 ZEBRA: [KMXEB-K771Y] netlink_parse_info: netlink-dp-in (NS 0) type RTM_NEWLINK(16), len=544, seq=0, pid=0
ZEBRA: in thread kernel_read scheduled from zebra/kernel_netlink.c:505 kernel_read()

Fix:
Similar to #13396, where link change
handling was offloaded to dplane, same is being done for vlan events.

Note: Prior to this change, zebra main thread was interested in the
RTNLGRP_BRVLAN. So all the kernel events pertaining to vlan was
handled by zebra main.

With this change change as well the handling of vlan events is still
with Zebra main. However we offload it via Dplane thread.

Ticket :#3878175

Signed-off-by: Rajasekar Raja <rajasekarr@nvidia.com>
2024-09-26 20:17:35 -07:00

427 lines
13 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* frrscript encoders and decoders for data structures in Zebra
* Copyright (C) 2021 Donald Lee
*/
#include "zebra.h"
#include "zebra_script.h"
#ifdef HAVE_SCRIPTING
void zebra_script_init(void)
{
frrscript_names_add_function_name(ZEBRA_ON_RIB_PROCESS_HOOK_CALL);
}
void zebra_script_destroy(void)
{
frrscript_names_destroy();
}
void lua_pushnh_grp(lua_State *L, const struct nh_grp *nh_grp)
{
lua_newtable(L);
lua_pushinteger(L, nh_grp->id);
lua_setfield(L, -2, "id");
lua_pushinteger(L, nh_grp->weight);
lua_setfield(L, -2, "weight");
}
void lua_pushzebra_dplane_ctx(lua_State *L, const struct zebra_dplane_ctx *ctx)
{
lua_newtable(L);
lua_pushinteger(L, dplane_ctx_get_op(ctx));
lua_setfield(L, -2, "zd_op");
lua_pushinteger(L, dplane_ctx_get_status(ctx));
lua_setfield(L, -2, "zd_status");
lua_pushinteger(L, dplane_ctx_get_provider(ctx));
lua_setfield(L, -2, "zd_provider");
lua_pushinteger(L, dplane_ctx_get_vrf(ctx));
lua_setfield(L, -2, "zd_vrf_id");
lua_pushinteger(L, dplane_ctx_get_table(ctx));
lua_setfield(L, -2, "zd_table_id");
lua_pushstring(L, dplane_ctx_get_ifname(ctx));
lua_setfield(L, -2, "zd_ifname");
lua_pushinteger(L, dplane_ctx_get_ifindex(ctx));
lua_setfield(L, -2, "zd_ifindex");
switch (dplane_ctx_get_op(ctx)) {
case DPLANE_OP_ROUTE_INSTALL:
case DPLANE_OP_ROUTE_UPDATE:
case DPLANE_OP_ROUTE_DELETE:
case DPLANE_OP_ROUTE_NOTIFY:
case DPLANE_OP_NH_INSTALL:
case DPLANE_OP_NH_UPDATE:
case DPLANE_OP_NH_DELETE:
/* rinfo */
lua_newtable(L);
{
lua_pushprefix(L, dplane_ctx_get_dest(ctx));
lua_setfield(L, -2, "zd_dest");
const struct prefix *src_pfx = dplane_ctx_get_src(ctx);
if (src_pfx) {
lua_pushprefix(L, src_pfx);
lua_setfield(L, -2, "zd_src");
}
lua_pushinteger(L, dplane_ctx_get_afi(ctx));
lua_setfield(L, -2, "zd_afi");
lua_pushinteger(L, dplane_ctx_get_safi(ctx));
lua_setfield(L, -2, "zd_safi");
lua_pushinteger(L, dplane_ctx_get_type(ctx));
lua_setfield(L, -2, "zd_type");
lua_pushinteger(L, dplane_ctx_get_old_type(ctx));
lua_setfield(L, -2, "zd_old_type");
lua_pushinteger(L, dplane_ctx_get_tag(ctx));
lua_setfield(L, -2, "zd_tag");
lua_pushinteger(L, dplane_ctx_get_old_tag(ctx));
lua_setfield(L, -2, "zd_old_tag");
lua_pushinteger(L, dplane_ctx_get_metric(ctx));
lua_setfield(L, -2, "zd_metric");
lua_pushinteger(L, dplane_ctx_get_old_metric(ctx));
lua_setfield(L, -2, "zd_old_metric");
lua_pushinteger(L, dplane_ctx_get_instance(ctx));
lua_setfield(L, -2, "zd_instance");
lua_pushinteger(L, dplane_ctx_get_old_instance(ctx));
lua_setfield(L, -2, "zd_old_instance");
lua_pushinteger(L, dplane_ctx_get_distance(ctx));
lua_setfield(L, -2, "zd_distance");
lua_pushinteger(L, dplane_ctx_get_old_distance(ctx));
lua_setfield(L, -2, "zd_old_distance");
lua_pushinteger(L, dplane_ctx_get_mtu(ctx));
lua_setfield(L, -2, "zd_mtu");
lua_pushinteger(L, dplane_ctx_get_nh_mtu(ctx));
lua_setfield(L, -2, "zd_nexthop_mtu");
/* nhe */
lua_newtable(L);
{
lua_pushinteger(L, dplane_ctx_get_nhe_id(ctx));
lua_setfield(L, -2, "id");
lua_pushinteger(L,
dplane_ctx_get_old_nhe_id(ctx));
lua_setfield(L, -2, "old_id");
lua_pushinteger(L, dplane_ctx_get_nhe_afi(ctx));
lua_setfield(L, -2, "afi");
lua_pushinteger(L,
dplane_ctx_get_nhe_vrf_id(ctx));
lua_setfield(L, -2, "vrf_id");
lua_pushinteger(L,
dplane_ctx_get_nhe_type(ctx));
lua_setfield(L, -2, "type");
lua_pushnexthop_group(
L, dplane_ctx_get_nhe_ng(ctx));
lua_setfield(L, -2, "ng");
lua_pushnh_grp(L,
dplane_ctx_get_nhe_nh_grp(ctx));
lua_setfield(L, -2, "nh_grp");
lua_pushinteger(
L,
dplane_ctx_get_nhe_nh_grp_count(ctx));
lua_setfield(L, -2, "nh_grp_count");
}
lua_setfield(L, -2, "nhe");
lua_pushinteger(L, dplane_ctx_get_nhg_id(ctx));
lua_setfield(L, -2, "zd_nhg_id");
lua_pushnexthop_group(L, dplane_ctx_get_ng(ctx));
lua_setfield(L, -2, "zd_ng");
lua_pushnexthop_group(L, dplane_ctx_get_backup_ng(ctx));
lua_setfield(L, -2, "backup_ng");
lua_pushnexthop_group(L, dplane_ctx_get_old_ng(ctx));
lua_setfield(L, -2, "zd_old_ng");
lua_pushnexthop_group(
L, dplane_ctx_get_old_backup_ng(ctx));
lua_setfield(L, -2, "old_backup_ng");
}
lua_setfield(L, -2, "rinfo");
break;
case DPLANE_OP_LSP_INSTALL:
case DPLANE_OP_LSP_UPDATE:
case DPLANE_OP_LSP_DELETE:
case DPLANE_OP_LSP_NOTIFY:
lua_pushinteger(L, (int)dplane_ctx_get_in_label(ctx));
lua_setfield(L, -2, "label");
break;
case DPLANE_OP_PW_INSTALL:
case DPLANE_OP_PW_UNINSTALL:
/* pw*/
lua_newtable(L);
{
lua_pushinteger(L, dplane_ctx_get_pw_type(ctx));
lua_setfield(L, -2, "type");
lua_pushinteger(L, dplane_ctx_get_pw_af(ctx));
lua_setfield(L, -2, "af");
lua_pushinteger(L, dplane_ctx_get_pw_status(ctx));
lua_setfield(L, -2, "status");
lua_pushinteger(L, dplane_ctx_get_pw_flags(ctx));
lua_setfield(L, -2, "flags");
lua_pushinteger(L, dplane_ctx_get_pw_local_label(ctx));
lua_setfield(L, -2, "local_label");
lua_pushinteger(L, dplane_ctx_get_pw_remote_label(ctx));
lua_setfield(L, -2, "remote_label");
}
lua_setfield(L, -2, "pw");
break;
case DPLANE_OP_SYS_ROUTE_ADD:
case DPLANE_OP_SYS_ROUTE_DELETE:
/* nothing to encode */
break;
case DPLANE_OP_MAC_INSTALL:
case DPLANE_OP_MAC_DELETE:
/* macinfo */
lua_newtable(L);
{
lua_pushinteger(L, dplane_ctx_mac_get_vlan(ctx));
lua_setfield(L, -2, "vid");
lua_pushinteger(L, dplane_ctx_mac_get_br_ifindex(ctx));
lua_setfield(L, -2, "br_ifindex");
lua_pushethaddr(L, dplane_ctx_mac_get_addr(ctx));
lua_setfield(L, -2, "mac");
lua_pushinaddr(L, dplane_ctx_mac_get_vtep_ip(ctx));
lua_setfield(L, -2, "vtep_ip");
lua_pushinteger(L, dplane_ctx_mac_is_sticky(ctx));
lua_setfield(L, -2, "is_sticky");
lua_pushinteger(L, dplane_ctx_mac_get_nhg_id(ctx));
lua_setfield(L, -2, "nhg_id");
lua_pushinteger(L,
dplane_ctx_mac_get_update_flags(ctx));
lua_setfield(L, -2, "update_flags");
}
lua_setfield(L, -2, "macinfo");
break;
case DPLANE_OP_RULE_ADD:
case DPLANE_OP_RULE_DELETE:
case DPLANE_OP_RULE_UPDATE:
/* rule */
lua_newtable(L);
{
lua_pushinteger(L, dplane_ctx_rule_get_sock(ctx));
lua_setfield(L, -2, "sock");
lua_pushinteger(L, dplane_ctx_rule_get_unique(ctx));
lua_setfield(L, -2, "unique");
lua_pushinteger(L, dplane_ctx_rule_get_seq(ctx));
lua_setfield(L, -2, "seq");
lua_pushstring(L, dplane_ctx_rule_get_ifname(ctx));
lua_setfield(L, -2, "ifname");
lua_pushinteger(L, dplane_ctx_rule_get_priority(ctx));
lua_setfield(L, -2, "priority");
lua_pushinteger(L,
dplane_ctx_rule_get_old_priority(ctx));
lua_setfield(L, -2, "old_priority");
lua_pushinteger(L, dplane_ctx_rule_get_table(ctx));
lua_setfield(L, -2, "table");
lua_pushinteger(L, dplane_ctx_rule_get_old_table(ctx));
lua_setfield(L, -2, "old_table");
lua_pushinteger(L, dplane_ctx_rule_get_filter_bm(ctx));
lua_setfield(L, -2, "filter_bm");
lua_pushinteger(L,
dplane_ctx_rule_get_old_filter_bm(ctx));
lua_setfield(L, -2, "old_filter_bm");
lua_pushinteger(L, dplane_ctx_rule_get_fwmark(ctx));
lua_setfield(L, -2, "fwmark");
lua_pushinteger(L, dplane_ctx_rule_get_old_fwmark(ctx));
lua_setfield(L, -2, "old_fwmark");
lua_pushinteger(L, dplane_ctx_rule_get_dsfield(ctx));
lua_setfield(L, -2, "dsfield");
lua_pushinteger(L,
dplane_ctx_rule_get_old_dsfield(ctx));
lua_setfield(L, -2, "old_dsfield");
lua_pushinteger(L, dplane_ctx_rule_get_ipproto(ctx));
lua_setfield(L, -2, "ip_proto");
lua_pushinteger(L,
dplane_ctx_rule_get_old_ipproto(ctx));
lua_setfield(L, -2, "old_ip_proto");
lua_pushprefix(L, dplane_ctx_rule_get_src_ip(ctx));
lua_setfield(L, -2, "src_ip");
lua_pushprefix(L, dplane_ctx_rule_get_old_src_ip(ctx));
lua_setfield(L, -2, "old_src_ip");
lua_pushprefix(L, dplane_ctx_rule_get_dst_ip(ctx));
lua_setfield(L, -2, "dst_ip");
lua_pushprefix(L, dplane_ctx_rule_get_old_dst_ip(ctx));
lua_setfield(L, -2, "old_dst_ip");
}
lua_setfield(L, -2, "rule");
break;
case DPLANE_OP_IPTABLE_ADD:
case DPLANE_OP_IPTABLE_DELETE: {
struct zebra_pbr_iptable iptable;
dplane_ctx_get_pbr_iptable(ctx, &iptable);
/* iptable */
lua_newtable(L);
{
lua_pushinteger(L, iptable.sock);
lua_setfield(L, -2, "sock");
lua_pushinteger(L, iptable.vrf_id);
lua_setfield(L, -2, "vrf_id");
lua_pushinteger(L, iptable.unique);
lua_setfield(L, -2, "unique");
lua_pushinteger(L, iptable.type);
lua_setfield(L, -2, "type");
lua_pushinteger(L, iptable.filter_bm);
lua_setfield(L, -2, "filter_bm");
lua_pushinteger(L, iptable.fwmark);
lua_setfield(L, -2, "fwmark");
lua_pushinteger(L, iptable.action);
lua_setfield(L, -2, "action");
lua_pushinteger(L, iptable.pkt_len_min);
lua_setfield(L, -2, "pkt_len_min");
lua_pushinteger(L, iptable.pkt_len_max);
lua_setfield(L, -2, "pkt_len_max");
lua_pushinteger(L, iptable.tcp_flags);
lua_setfield(L, -2, "tcp_flags");
lua_pushinteger(L, iptable.dscp_value);
lua_setfield(L, -2, "dscp_value");
lua_pushinteger(L, iptable.fragment);
lua_setfield(L, -2, "fragment");
lua_pushinteger(L, iptable.protocol);
lua_setfield(L, -2, "protocol");
lua_pushinteger(L, iptable.nb_interface);
lua_setfield(L, -2, "nb_interface");
lua_pushinteger(L, iptable.flow_label);
lua_setfield(L, -2, "flow_label");
lua_pushinteger(L, iptable.family);
lua_setfield(L, -2, "family");
lua_pushstring(L, iptable.ipset_name);
lua_setfield(L, -2, "ipset_name");
}
lua_setfield(L, -2, "iptable");
break;
}
case DPLANE_OP_IPSET_ADD:
case DPLANE_OP_IPSET_DELETE:
case DPLANE_OP_IPSET_ENTRY_ADD:
case DPLANE_OP_IPSET_ENTRY_DELETE: {
struct zebra_pbr_ipset ipset;
dplane_ctx_get_pbr_ipset(ctx, &ipset);
/* ipset */
lua_newtable(L);
{
lua_pushinteger(L, ipset.sock);
lua_setfield(L, -2, "sock");
lua_pushinteger(L, ipset.vrf_id);
lua_setfield(L, -2, "vrf_id");
lua_pushinteger(L, ipset.unique);
lua_setfield(L, -2, "unique");
lua_pushinteger(L, ipset.type);
lua_setfield(L, -2, "type");
lua_pushinteger(L, ipset.family);
lua_setfield(L, -2, "family");
lua_pushstring(L, ipset.ipset_name);
lua_setfield(L, -2, "ipset_name");
}
lua_setfield(L, -2, "ipset");
break;
}
case DPLANE_OP_NEIGH_INSTALL:
case DPLANE_OP_NEIGH_UPDATE:
case DPLANE_OP_NEIGH_DELETE:
case DPLANE_OP_NEIGH_DISCOVER:
case DPLANE_OP_NEIGH_IP_INSTALL:
case DPLANE_OP_NEIGH_IP_DELETE:
/* neigh */
lua_newtable(L);
{
lua_pushipaddr(L, dplane_ctx_neigh_get_ipaddr(ctx));
lua_setfield(L, -2, "ip_addr");
/* link */
lua_newtable(L);
{
lua_pushethaddr(L,
dplane_ctx_neigh_get_mac(ctx));
lua_setfield(L, -2, "mac");
lua_pushipaddr(
L, dplane_ctx_neigh_get_link_ip(ctx));
lua_setfield(L, -2, "ip_addr");
}
lua_setfield(L, -2, "link");
lua_pushinteger(L, dplane_ctx_neigh_get_flags(ctx));
lua_setfield(L, -2, "flags");
lua_pushinteger(L, dplane_ctx_neigh_get_state(ctx));
lua_setfield(L, -2, "state");
lua_pushinteger(L,
dplane_ctx_neigh_get_update_flags(ctx));
lua_setfield(L, -2, "update_flags");
}
lua_setfield(L, -2, "neigh");
break;
case DPLANE_OP_VTEP_ADD:
case DPLANE_OP_VTEP_DELETE:
break;
case DPLANE_OP_BR_PORT_UPDATE:
/* br_port */
lua_newtable(L);
{
lua_pushinteger(
L, dplane_ctx_get_br_port_sph_filter_cnt(ctx));
lua_setfield(L, -2, "sph_filter_cnt");
lua_pushinteger(L, dplane_ctx_get_br_port_flags(ctx));
lua_setfield(L, -2, "flags");
lua_pushinteger(
L, dplane_ctx_get_br_port_backup_nhg_id(ctx));
lua_setfield(L, -2, "backup_nhg_id");
}
lua_setfield(L, -2, "br_port");
break;
case DPLANE_OP_NEIGH_TABLE_UPDATE:
/* neightable */
lua_newtable(L);
{
lua_pushinteger(L,
dplane_ctx_neightable_get_family(ctx));
lua_setfield(L, -2, "family");
lua_pushinteger(
L, dplane_ctx_neightable_get_app_probes(ctx));
lua_setfield(L, -2, "app_probes");
lua_pushinteger(
L, dplane_ctx_neightable_get_mcast_probes(ctx));
lua_setfield(L, -2, "ucast_probes");
lua_pushinteger(
L, dplane_ctx_neightable_get_ucast_probes(ctx));
lua_setfield(L, -2, "mcast_probes");
}
lua_setfield(L, -2, "neightable");
break;
case DPLANE_OP_GRE_SET:
/* gre */
lua_newtable(L);
{
lua_pushinteger(L,
dplane_ctx_gre_get_link_ifindex(ctx));
lua_setfield(L, -2, "link_ifindex");
lua_pushinteger(L, dplane_ctx_gre_get_mtu(ctx));
lua_setfield(L, -2, "mtu");
}
lua_setfield(L, -2, "gre");
break;
case DPLANE_OP_ADDR_INSTALL:
case DPLANE_OP_ADDR_UNINSTALL:
case DPLANE_OP_INTF_ADDR_ADD:
case DPLANE_OP_INTF_ADDR_DEL:
case DPLANE_OP_INTF_INSTALL:
case DPLANE_OP_INTF_UPDATE:
case DPLANE_OP_INTF_DELETE:
case DPLANE_OP_TC_QDISC_INSTALL:
case DPLANE_OP_TC_QDISC_UNINSTALL:
case DPLANE_OP_TC_CLASS_ADD:
case DPLANE_OP_TC_CLASS_DELETE:
case DPLANE_OP_TC_CLASS_UPDATE:
case DPLANE_OP_TC_FILTER_ADD:
case DPLANE_OP_TC_FILTER_DELETE:
case DPLANE_OP_TC_FILTER_UPDATE:
/* Not currently handled */
case DPLANE_OP_INTF_NETCONFIG: /*NYI*/
case DPLANE_OP_SRV6_ENCAP_SRCADDR_SET:
case DPLANE_OP_NONE:
case DPLANE_OP_STARTUP_STAGE:
case DPLANE_OP_VLAN_INSTALL:
break;
} /* Dispatch by op code */
}
#endif /* HAVE_SCRIPTING */
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