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Revert "[202311] Revert bgp suppress fib pending" (sonic-net#17882)
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yxieca authored Jan 23, 2024
1 parent d7a7760 commit 1ccee47
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Showing 36 changed files with 375 additions and 256 deletions.
1 change: 1 addition & 0 deletions dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2
Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
!
{% block bgp_init %}
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
{% if (DEVICE_METADATA is defined) and ('localhost' in DEVICE_METADATA) and ('subtype' in DEVICE_METADATA['localhost']) and (DEVICE_METADATA['localhost']['subtype'].lower() == 'dualtor') %}
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2 changes: 1 addition & 1 deletion dockers/docker-fpm-frr/frr/supervisord/supervisord.conf.j2
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Expand Up @@ -30,7 +30,7 @@ stderr_logfile=syslog
dependent_startup=true

[program:zebra]
command=/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M fpm -M snmp
command=/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M dplane_fpm_nl -M snmp --asic-offload=notify_on_offload
priority=4
autostart=false
autorestart=false
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2 changes: 1 addition & 1 deletion platform/vs/docker-sonic-vs/supervisord.conf.j2
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Expand Up @@ -164,7 +164,7 @@ environment=ASAN_OPTIONS="log_path=/var/log/asan/teammgrd-asan.log{{ asan_extra_
{% endif %}

[program:zebra]
command=/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M fpm
command=/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M dplane_fpm_nl --asic-offload=notify_on_offload
priority=13
autostart=false
autorestart=false
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5 changes: 3 additions & 2 deletions src/sonic-bgpcfgd/bgpcfgd/managers_bgp.py
Original file line number Diff line number Diff line change
Expand Up @@ -304,10 +304,11 @@ def apply_op(self, cmd, vrf):
:return: True if no errors, False if there are errors
"""
bgp_asn = self.directory.get_slot("CONFIG_DB", swsscommon.CFG_DEVICE_METADATA_TABLE_NAME)["localhost"]["bgp_asn"]
enable_bgp_suppress_fib_pending_cmd = 'bgp suppress-fib-pending'
if vrf == 'default':
cmd = ('router bgp %s\n' % bgp_asn) + cmd
cmd = ('router bgp %s\n %s\n' % (bgp_asn, enable_bgp_suppress_fib_pending_cmd)) + cmd
else:
cmd = ('router bgp %s vrf %s\n' % (bgp_asn, vrf)) + cmd
cmd = ('router bgp %s vrf %s\n %s\n' % (bgp_asn, vrf, enable_bgp_suppress_fib_pending_cmd)) + cmd
self.cfg_mgr.push(cmd)
return True

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Expand Up @@ -55,6 +55,7 @@ route-map HIDE_INTERNAL permit 20
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ ip prefix-list PL_LoopbackV4 permit 55.55.55.55/32
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Expand Up @@ -14,6 +14,7 @@ ipv6 prefix-list PL_LoopbackV6 permit fc00::1/128
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 55555
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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6 changes: 5 additions & 1 deletion src/sonic-config-engine/minigraph.py
Original file line number Diff line number Diff line change
Expand Up @@ -608,7 +608,7 @@ def parse_dpg(dpg, hname):
else:
prefix = prefix + "/32"
static_routes[prefix] = {'nexthop': ",".join(nexthop), 'ifname': ",".join(ifname), 'advertise': advertise}

if port_nhipv4_map and port_nhipv6_map:
subnet_check_ip = list(port_nhipv4_map.values())[0]
for subnet_range in ip_intfs_map:
Expand Down Expand Up @@ -2131,6 +2131,10 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None, hw
if current_device and current_device['type'] in mgmt_device_types:
results["FLEX_COUNTER_TABLE"] = {counter: {"FLEX_COUNTER_STATUS": "disable"} for counter in mgmt_disabled_counters}

# Enable bgp-suppress-fib by default for leafrouter
if current_device and current_device['type'] in leafrouter_device_types:
results['DEVICE_METADATA']['localhost']['suppress-fib-pending'] = 'enabled'

return results

def get_tunnel_entries(tunnel_intfs, tunnel_intfs_qos_remap_config, lo_intfs, tunnel_qos_remap, mux_tunnel_name, peer_switch_ip):
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.0.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.0.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
coalesce-time 10000
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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1 change: 1 addition & 0 deletions src/sonic-config-engine/tests/sample_output/py2/frr.conf
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.0.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ ip prefix-list PL_LoopbackV4 permit 4.0.0.0/32
router bgp 4000
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.200.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.200.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
coalesce-time 10000
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ route-map HIDE_INTERNAL permit 10
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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1 change: 1 addition & 0 deletions src/sonic-config-engine/tests/sample_output/py3/frr.conf
Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,7 @@ ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.200.0/27
router bgp 65100
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ ip prefix-list PL_LoopbackV4 permit 4.0.0.0/32
router bgp 4000
!
bgp log-neighbor-changes
bgp suppress-fib-pending
no bgp default ipv4-unicast
no bgp ebgp-requires-policy
!
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121 changes: 121 additions & 0 deletions src/sonic-frr/patch/0005-Add-support-of-bgp-l3vni-evpn.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,121 @@
From f5f0018266c98ad96cdbe69ae60d501de21e5600 Mon Sep 17 00:00:00 2001
From: Stepan Blyschak <stepanb@nvidia.com>
Date: Thu, 20 Oct 2022 13:19:31 +0000
Subject: [PATCH] From 369bbb4d62aa47d5a6d5157ca6ea819c4cb80f15 Mon Sep 17
00:00:00 2001 Subject: [PATCH 07/13] Added support of L3VNI EVPN

This is temp patch till Prefix to ARP indirection is add in neighorch

Signed-off-by: Kishore Kunal <kishore.kunal@broadcom.com>
Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>

diff --git a/lib/nexthop.c b/lib/nexthop.c
index 7ebc4fefb..2f7bb0e7b 100644
--- a/lib/nexthop.c
+++ b/lib/nexthop.c
@@ -813,6 +813,7 @@ void nexthop_copy_no_recurse(struct nexthop *copy,
memcpy(&copy->src, &nexthop->src, sizeof(nexthop->src));
memcpy(&copy->rmap_src, &nexthop->rmap_src, sizeof(nexthop->rmap_src));
copy->rparent = rparent;
+ memcpy(&copy->nh_encap.encap_data.rmac, &nexthop->nh_encap.encap_data.rmac, ETH_ALEN);
if (nexthop->nh_label)
nexthop_add_labels(copy, nexthop->nh_label_type,
nexthop->nh_label->num_labels,
diff --git a/lib/nexthop.h b/lib/nexthop.h
index f1309aa52..7b4bbbafd 100644
--- a/lib/nexthop.h
+++ b/lib/nexthop.h
@@ -66,6 +66,11 @@ enum nh_encap_type {
/* Backup index value is limited */
#define NEXTHOP_BACKUP_IDX_MAX 255

+struct vxlan_nh_encap {
+ vni_t vni;
+ struct ethaddr rmac;
+};
+
/* Nexthop structure. */
struct nexthop {
struct nexthop *next;
@@ -137,7 +142,7 @@ struct nexthop {
/* Encapsulation information. */
enum nh_encap_type nh_encap_type;
union {
- vni_t vni;
+ struct vxlan_nh_encap encap_data;
} nh_encap;

/* SR-TE color used for matching SR-TE policies */
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index 79d79d74b..325199eff 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -1969,6 +1969,7 @@ static int netlink_route_nexthop_encap(struct nlmsghdr *n, size_t nlen,
struct nexthop *nh)
{
struct rtattr *nest;
+ struct vxlan_nh_encap* encap_data;

switch (nh->nh_encap_type) {
case NET_VXLAN:
@@ -1979,9 +1980,21 @@ static int netlink_route_nexthop_encap(struct nlmsghdr *n, size_t nlen,
if (!nest)
return false;

+ encap_data = &nh->nh_encap.encap_data;
+
if (!nl_attr_put32(n, nlen, 0 /* VXLAN_VNI */,
- nh->nh_encap.vni))
+ encap_data->vni))
+ return false;
+
+ if (ZEBRA_DEBUG_KERNEL)
+ zlog_debug(
+ "%s: VNI:%d RMAC:%pEA", __func__, encap_data->vni,
+ &encap_data->rmac);
+
+ if (!nl_attr_put(n, nlen, 1 /* VXLAN_RMAC */,
+ &encap_data->rmac, sizeof(encap_data->rmac)))
return false;
+
nl_attr_nest_end(n, nest);
break;
}
diff --git a/zebra/zapi_msg.c b/zebra/zapi_msg.c
index c0945eae2..157c33ced 100644
--- a/zebra/zapi_msg.c
+++ b/zebra/zapi_msg.c
@@ -1605,6 +1605,8 @@ static struct nexthop *nexthop_from_zapi(const struct zapi_nexthop *api_nh,
vtep_ip.ipa_type = IPADDR_V4;
memcpy(&(vtep_ip.ipaddr_v4), &(api_nh->gate.ipv4),
sizeof(struct in_addr));
+ memcpy(&(nexthop->nh_encap.encap_data.rmac),
+ &api_nh->rmac, ETH_ALEN);
zebra_rib_queue_evpn_route_add(
api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p);
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN);
@@ -1639,6 +1641,8 @@ static struct nexthop *nexthop_from_zapi(const struct zapi_nexthop *api_nh,
vtep_ip.ipa_type = IPADDR_V6;
memcpy(&vtep_ip.ipaddr_v6, &(api_nh->gate.ipv6),
sizeof(struct in6_addr));
+ memcpy(&(nexthop->nh_encap.encap_data.rmac),
+ &api_nh->rmac, ETH_ALEN);
zebra_rib_queue_evpn_route_add(
api_nh->vrf_id, &api_nh->rmac, &vtep_ip, p);
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_EVPN);
diff --git a/zebra/zebra_dplane.c b/zebra/zebra_dplane.c
index f6f436f39..c8511bd28 100644
--- a/zebra/zebra_dplane.c
+++ b/zebra/zebra_dplane.c
@@ -2917,7 +2917,7 @@ int dplane_ctx_route_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
zl3vni = zl3vni_from_vrf(nexthop->vrf_id);
if (zl3vni && is_l3vni_oper_up(zl3vni)) {
nexthop->nh_encap_type = NET_VXLAN;
- nexthop->nh_encap.vni = zl3vni->vni;
+ nexthop->nh_encap.encap_data.vni = zl3vni->vni;
}
}

--
2.17.1

31 changes: 31 additions & 0 deletions src/sonic-frr/patch/0007-ignore-route-from-default-table.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
From 1a639f2dcd400997345dab424a2adbc091752661 Mon Sep 17 00:00:00 2001
From: Stepan Blyschak <stepanb@nvidia.com>
Date: Thu, 20 Oct 2022 13:07:18 +0000
Subject: [PATCH] From ca66350aecf7db3354019480d11754fabae3a97c Mon Sep 17
00:00:00 2001 Subject: [PATCH 09/13] ignore route from default table

Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>

diff --git a/zebra/dplane_fpm_nl.c b/zebra/dplane_fpm_nl.c
index 0a9fecc9d..b18a96353 100644
--- a/zebra/dplane_fpm_nl.c
+++ b/zebra/dplane_fpm_nl.c
@@ -814,6 +814,15 @@ static int fpm_nl_enqueue(struct fpm_nl_ctx *fnc, struct zebra_dplane_ctx *ctx)
|| op == DPLANE_OP_NH_UPDATE))
return 0;

+ /*
+ * Ignore route from default table, because when mgmt port goes down,
+ * zebra will remove the default route and causing ASIC to blackhole IO.
+ */
+ if (dplane_ctx_get_table(ctx) == RT_TABLE_DEFAULT) {
+ zlog_debug("%s: discard default table route", __func__);
+ return 0;
+ }
+
nl_buf_len = 0;

frr_mutex_lock_autounlock(&fnc->obuf_mutex);
--
2.17.1

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