@@ -385,6 +385,17 @@
cap for the exponential backoff used by <code>ovn-controller</code>
to send GARPs packets.
</dd>
+ <dt><code>external_ids:arp-nd-max-timeout-sec</code></dt>
+ <dd>
+ When used, this configuration value specifies the maximum timeout
+ (in seconds) between two consecutive ARP/ND packets sent by
+ <code>ovn-controller</code> to resolve ECMP nexthop mac address.
+ <code>ovn-controller</code> by default sends just 4 ARP/ND packets
+ with an exponential backoff timeout.
+ Setting <code>external_ids:arp-nd-max-timeout-sec</code> allows to
+ cap for the exponential backoff used by <code>ovn-controller</code>
+ to send ARPs/NDs packets.
+ </dd>
<dt><code>external_ids:ovn-bridge-remote</code></dt>
<dd>
<p>
@@ -5653,6 +5653,8 @@ main(int argc, char *argv[])
sbrec_mac_binding_table_get(
ovnsb_idl_loop.idl),
sbrec_bfd_table_get(ovnsb_idl_loop.idl),
+ sbrec_ecmp_nexthop_table_get(
+ ovnsb_idl_loop.idl),
br_int, chassis,
&runtime_data->local_datapaths,
&runtime_data->active_tunnels,
@@ -170,6 +170,9 @@ static struct seq *pinctrl_main_seq;
static long long int garp_rarp_max_timeout = GARP_RARP_DEF_MAX_TIMEOUT;
static bool garp_rarp_continuous;
+static long long int arp_nd_max_timeout = GARP_RARP_DEF_MAX_TIMEOUT;
+static bool arp_nd_continuous;
+
static void *pinctrl_handler(void *arg);
struct pinctrl {
@@ -229,13 +232,17 @@ static void run_activated_ports(
const struct sbrec_chassis *chassis);
static void init_send_garps_rarps(void);
+static void init_send_arps_nds(void);
static void destroy_send_garps_rarps(void);
+static void destroy_send_arps_nds(void);
static void send_garp_rarp_wait(long long int send_garp_rarp_time);
+static void send_arp_nd_wait(long long int send_arp_nd_time);
static void send_garp_rarp_prepare(
struct ovsdb_idl_txn *ovnsb_idl_txn,
struct ovsdb_idl_index *sbrec_port_binding_by_datapath,
struct ovsdb_idl_index *sbrec_port_binding_by_name,
struct ovsdb_idl_index *sbrec_mac_binding_by_lport_ip,
+ const struct sbrec_ecmp_nexthop_table *ecmp_nh_table,
const struct ovsrec_bridge *,
const struct sbrec_chassis *,
const struct hmap *local_datapaths,
@@ -245,6 +252,9 @@ static void send_garp_rarp_prepare(
static void send_garp_rarp_run(struct rconn *swconn,
long long int *send_garp_rarp_time)
OVS_REQUIRES(pinctrl_mutex);
+static void send_arp_nd_run(struct rconn *swconn,
+ long long int *send_arp_nd_time)
+ OVS_REQUIRES(pinctrl_mutex);
static void pinctrl_handle_nd_na(struct rconn *swconn,
const struct flow *ip_flow,
const struct match *md,
@@ -554,6 +564,7 @@ pinctrl_init(void)
{
init_put_mac_bindings();
init_send_garps_rarps();
+ init_send_arps_nds();
init_ipv6_ras();
init_ipv6_prefixd();
init_buffered_packets_ctx();
@@ -4000,6 +4011,7 @@ pinctrl_handler(void *arg_)
static long long int send_ipv6_ra_time = LLONG_MAX;
/* Next GARP/RARP announcement in ms. */
static long long int send_garp_rarp_time = LLONG_MAX;
+ static long long int send_arp_nd_time = LLONG_MAX;
/* Next multicast query (IGMP) in ms. */
static long long int send_mcast_query_time = LLONG_MAX;
static long long int svc_monitors_next_run_time = LLONG_MAX;
@@ -4037,6 +4049,7 @@ pinctrl_handler(void *arg_)
if (may_inject_pkts()) {
ovs_mutex_lock(&pinctrl_mutex);
send_garp_rarp_run(swconn, &send_garp_rarp_time);
+ send_arp_nd_run(swconn, &send_arp_nd_time);
send_ipv6_ras(swconn, &send_ipv6_ra_time);
send_ipv6_prefixd(swconn, &send_prefixd_time);
send_mac_binding_buffered_pkts(swconn);
@@ -4055,6 +4068,7 @@ pinctrl_handler(void *arg_)
rconn_recv_wait(swconn);
if (rconn_is_connected(swconn)) {
send_garp_rarp_wait(send_garp_rarp_time);
+ send_arp_nd_wait(send_arp_nd_time);
ipv6_ra_wait(send_ipv6_ra_time);
ip_mcast_querier_wait(send_mcast_query_time);
svc_monitors_wait(svc_monitors_next_run_time);
@@ -4151,6 +4165,7 @@ pinctrl_run(struct ovsdb_idl_txn *ovnsb_idl_txn,
const struct sbrec_service_monitor_table *svc_mon_table,
const struct sbrec_mac_binding_table *mac_binding_table,
const struct sbrec_bfd_table *bfd_table,
+ const struct sbrec_ecmp_nexthop_table *ecmp_nh_table,
const struct ovsrec_bridge *br_int,
const struct sbrec_chassis *chassis,
const struct hmap *local_datapaths,
@@ -4167,8 +4182,9 @@ pinctrl_run(struct ovsdb_idl_txn *ovnsb_idl_txn,
sbrec_port_binding_by_key, chassis);
send_garp_rarp_prepare(ovnsb_idl_txn, sbrec_port_binding_by_datapath,
sbrec_port_binding_by_name,
- sbrec_mac_binding_by_lport_ip, br_int, chassis,
- local_datapaths, active_tunnels, ovs_table);
+ sbrec_mac_binding_by_lport_ip, ecmp_nh_table,
+ br_int, chassis, local_datapaths, active_tunnels,
+ ovs_table);
prepare_ipv6_ras(local_active_ports_ras, sbrec_port_binding_by_name);
prepare_ipv6_prefixd(ovnsb_idl_txn, sbrec_port_binding_by_name,
local_active_ports_ipv6_pd, chassis,
@@ -4702,6 +4718,7 @@ pinctrl_destroy(void)
latch_destroy(&pinctrl.pinctrl_thread_exit);
rconn_destroy(pinctrl.swconn);
destroy_send_garps_rarps();
+ destroy_send_arps_nds();
destroy_ipv6_ras();
destroy_ipv6_prefixd();
destroy_buffered_packets_ctx();
@@ -5029,7 +5046,8 @@ wait_put_mac_bindings(struct ovsdb_idl_txn *ovnsb_idl_txn)
*/
struct garp_rarp_data {
struct eth_addr ea; /* Ethernet address of port. */
- ovs_be32 ipv4; /* Ipv4 address of port. */
+ struct in6_addr src_ip; /* IP address of port. */
+ struct in6_addr dst_ip; /* Destination IP address */
long long int announce_time; /* Next announcement in ms. */
int backoff; /* Backoff timeout for the next
* announcement (in msecs). */
@@ -5052,19 +5070,37 @@ destroy_send_garps_rarps(void)
shash_destroy_free_data(&send_garp_rarp_data);
}
+/* Contains ARPs data to be sent to track ECMP next-hop mac address. Protected
+ * by pinctrl_mutex. */
+static struct shash send_arp_nd_data;
+
+static void
+init_send_arps_nds(void)
+{
+ shash_init(&send_arp_nd_data);
+}
+
+static void
+destroy_send_arps_nds(void)
+{
+ shash_destroy_free_data(&send_arp_nd_data);
+}
+
/* Runs with in the main ovn-controller thread context. */
static void
-add_garp_rarp(const char *name, const struct eth_addr ea, ovs_be32 ip,
- uint32_t dp_key, uint32_t port_key)
+add_garp_rarp(const char *name, const struct eth_addr ea,
+ struct in6_addr src_ip, struct in6_addr dst_ip,
+ uint32_t dp_key, uint32_t port_key, struct shash *shash)
{
struct garp_rarp_data *garp_rarp = xmalloc(sizeof *garp_rarp);
garp_rarp->ea = ea;
- garp_rarp->ipv4 = ip;
+ garp_rarp->src_ip = src_ip;
+ garp_rarp->dst_ip = dst_ip;
garp_rarp->announce_time = time_msec() + 1000;
garp_rarp->backoff = 1000; /* msec. */
garp_rarp->dp_key = dp_key;
garp_rarp->port_key = port_key;
- shash_add(&send_garp_rarp_data, name, garp_rarp);
+ shash_add(shash, name, garp_rarp);
/* Notify pinctrl_handler so that it can wakeup and process
* these GARP/RARP requests. */
@@ -5113,9 +5149,10 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn,
}
} else if (ovnsb_idl_txn) {
add_garp_rarp(name, laddrs->ea,
- laddrs->ipv4_addrs[i].addr,
- binding_rec->datapath->tunnel_key,
- binding_rec->tunnel_key);
+ in6_addr_mapped_ipv4(laddrs->ipv4_addrs[i].addr),
+ in6_addr_mapped_ipv4(laddrs->ipv4_addrs[i].addr),
+ binding_rec->datapath->tunnel_key,
+ binding_rec->tunnel_key, &send_garp_rarp_data);
send_garp_locally(ovnsb_idl_txn,
sbrec_mac_binding_by_lport_ip,
local_datapaths, binding_rec, laddrs->ea,
@@ -5142,9 +5179,11 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn,
garp_rarp->backoff = 1000; /* msec. */
}
} else {
- add_garp_rarp(name, laddrs->ea,
- 0, binding_rec->datapath->tunnel_key,
- binding_rec->tunnel_key);
+ struct in6_addr ip = {};
+ add_garp_rarp(name, laddrs->ea, ip, ip,
+ binding_rec->datapath->tunnel_key,
+ binding_rec->tunnel_key,
+ &send_garp_rarp_data);
}
free(name);
}
@@ -5182,10 +5221,10 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn,
ip = laddrs.ipv4_addrs[0].addr;
}
- add_garp_rarp(binding_rec->logical_port,
- laddrs.ea, ip,
+ add_garp_rarp(binding_rec->logical_port, laddrs.ea,
+ in6_addr_mapped_ipv4(ip), in6_addr_mapped_ipv4(ip),
binding_rec->datapath->tunnel_key,
- binding_rec->tunnel_key);
+ binding_rec->tunnel_key, &send_garp_rarp_data);
if (ip) {
send_garp_locally(ovnsb_idl_txn, sbrec_mac_binding_by_lport_ip,
local_datapaths, binding_rec, laddrs.ea, ip);
@@ -5196,12 +5235,52 @@ send_garp_rarp_update(struct ovsdb_idl_txn *ovnsb_idl_txn,
}
}
+/* Add or update a vif for which ARPs need to be announced. */
+static void
+send_arp_nd_update(const struct sbrec_port_binding *pb, const char *nexthop,
+ long long int max_arp_timeout, bool continuous_arp_nd)
+{
+ volatile struct garp_rarp_data *e = shash_find_data(&send_arp_nd_data,
+ nexthop);
+ if (e) {
+ e->dp_key = pb->datapath->tunnel_key;
+ e->port_key = pb->tunnel_key;
+ if (max_arp_timeout != arp_nd_max_timeout ||
+ continuous_arp_nd != arp_nd_continuous) {
+ /* reset backoff */
+ e->announce_time = time_msec() + 1000;
+ e->backoff = 1000; /* msec. */
+ }
+ } else {
+ struct lport_addresses laddrs;
+ if (!extract_lsp_addresses(pb->mac[0], &laddrs)) {
+ return;
+ }
+
+ if (laddrs.n_ipv4_addrs) {
+ ovs_be32 dst_ip;
+ inet_pton(AF_INET, nexthop, &dst_ip);
+ add_garp_rarp(nexthop, laddrs.ea,
+ in6_addr_mapped_ipv4(laddrs.ipv4_addrs[0].addr),
+ in6_addr_mapped_ipv4(dst_ip),
+ pb->datapath->tunnel_key, pb->tunnel_key,
+ &send_arp_nd_data);
+ } else if (laddrs.n_ipv6_addrs) {
+ struct in6_addr dst_ip;
+ inet_pton(AF_INET6, nexthop, &dst_ip);
+ add_garp_rarp(nexthop, laddrs.ea, laddrs.ipv6_addrs[0].addr,
+ dst_ip, pb->datapath->tunnel_key, pb->tunnel_key,
+ &send_arp_nd_data);
+ }
+ destroy_lport_addresses(&laddrs);
+ }
+}
+
/* Remove a vif from GARP announcements. */
static void
-send_garp_rarp_delete(const char *lport)
+send_garp_rarp_delete(struct shash *shash, const char *lport)
{
- struct garp_rarp_data *garp_rarp = shash_find_and_delete
- (&send_garp_rarp_data, lport);
+ struct garp_rarp_data *garp_rarp = shash_find_and_delete(shash, lport);
free(garp_rarp);
notify_pinctrl_handler();
}
@@ -5220,9 +5299,11 @@ send_garp_rarp(struct rconn *swconn, struct garp_rarp_data *garp_rarp,
uint64_t packet_stub[128 / 8];
struct dp_packet packet;
dp_packet_use_stub(&packet, packet_stub, sizeof packet_stub);
- if (garp_rarp->ipv4) {
+ ovs_be32 src_ipv4 = in6_addr_get_mapped_ipv4(&garp_rarp->src_ip);
+ if (src_ipv4) {
compose_arp(&packet, ARP_OP_REQUEST, garp_rarp->ea, eth_addr_zero,
- true, garp_rarp->ipv4, garp_rarp->ipv4);
+ true, src_ipv4,
+ in6_addr_get_mapped_ipv4(&garp_rarp->dst_ip));
} else {
compose_rarp(&packet, garp_rarp->ea);
}
@@ -6524,6 +6605,25 @@ get_nat_addresses_and_keys(struct ovsdb_idl_index *sbrec_port_binding_by_name,
}
}
+static void
+get_local_ecmp_nexthop_map(
+ const struct sbrec_ecmp_nexthop_table *ecmp_nh_table,
+ struct ovsdb_idl_index *sbrec_port_binding_by_name,
+ const struct sbrec_chassis *chassis,
+ struct smap *local_ecmp_nexthop_map)
+{
+ const struct sbrec_ecmp_nexthop *sb_ecmp_nexthop;
+ SBREC_ECMP_NEXTHOP_TABLE_FOR_EACH (sb_ecmp_nexthop, ecmp_nh_table) {
+ const struct sbrec_port_binding *pb =
+ lport_lookup_by_name(sbrec_port_binding_by_name,
+ sb_ecmp_nexthop->port);
+ if (pb && !strcmp(pb->type, "l3gateway") && pb->chassis == chassis) {
+ smap_add_once(local_ecmp_nexthop_map, sb_ecmp_nexthop->nexthop,
+ sb_ecmp_nexthop->port);
+ }
+ }
+}
+
static void
send_garp_rarp_wait(long long int send_garp_rarp_time)
{
@@ -6534,6 +6634,16 @@ send_garp_rarp_wait(long long int send_garp_rarp_time)
}
}
+static void
+send_arp_nd_wait(long long int send_arp_nd_time)
+{
+ /* Set the poll timer for next arp packet only if there is data to
+ * be sent. */
+ if (!shash_is_empty(&send_arp_nd_data)) {
+ poll_timer_wait_until(send_arp_nd_time);
+ }
+}
+
/* Called with in the pinctrl_handler thread context. */
static void
send_garp_rarp_run(struct rconn *swconn, long long int *send_garp_rarp_time)
@@ -6556,6 +6666,86 @@ send_garp_rarp_run(struct rconn *swconn, long long int *send_garp_rarp_time)
}
}
+static long long int
+send_arp_nd(struct rconn *swconn, struct garp_rarp_data *garp_rarp,
+ long long int current_time)
+ OVS_REQUIRES(pinctrl_mutex)
+{
+ if (current_time < garp_rarp->announce_time) {
+ return garp_rarp->announce_time;
+ }
+
+ /* Compose a ARP request packet. */
+ uint64_t packet_stub[128 / 8];
+ struct dp_packet packet;
+ dp_packet_use_stub(&packet, packet_stub, sizeof packet_stub);
+ if (IN6_IS_ADDR_V4MAPPED(&garp_rarp->src_ip)) {
+ compose_arp(&packet, ARP_OP_REQUEST, garp_rarp->ea, eth_addr_zero,
+ true, in6_addr_get_mapped_ipv4(&garp_rarp->src_ip),
+ in6_addr_get_mapped_ipv4(&garp_rarp->dst_ip));
+ } else {
+ compose_nd_ns(&packet, garp_rarp->ea, &garp_rarp->src_ip,
+ &garp_rarp->dst_ip);
+ }
+
+ /* Inject ARP request. */
+ uint64_t ofpacts_stub[4096 / 8];
+ struct ofpbuf ofpacts = OFPBUF_STUB_INITIALIZER(ofpacts_stub);
+ enum ofp_version version = rconn_get_version(swconn);
+ put_load(garp_rarp->dp_key, MFF_LOG_DATAPATH, 0, 64, &ofpacts);
+ put_load(garp_rarp->port_key, MFF_LOG_OUTPORT, 0, 32, &ofpacts);
+ struct ofpact_resubmit *resubmit = ofpact_put_RESUBMIT(&ofpacts);
+ resubmit->in_port = OFPP_CONTROLLER;
+ resubmit->table_id = OFTABLE_LOCAL_OUTPUT;
+
+ struct ofputil_packet_out po = {
+ .packet = dp_packet_data(&packet),
+ .packet_len = dp_packet_size(&packet),
+ .buffer_id = UINT32_MAX,
+ .ofpacts = ofpacts.data,
+ .ofpacts_len = ofpacts.size,
+ };
+ match_set_in_port(&po.flow_metadata, OFPP_CONTROLLER);
+ enum ofputil_protocol proto = ofputil_protocol_from_ofp_version(version);
+ queue_msg(swconn, ofputil_encode_packet_out(&po, proto));
+ dp_packet_uninit(&packet);
+ ofpbuf_uninit(&ofpacts);
+
+ /* Set the next announcement. At most 5 announcements are sent for a
+ * vif if arp_nd_max_timeout is not specified otherwise cap the max
+ * timeout to arp_nd_max_timeout. */
+ if (arp_nd_continuous || garp_rarp->backoff < arp_nd_max_timeout) {
+ garp_rarp->announce_time = current_time + garp_rarp->backoff;
+ } else {
+ garp_rarp->announce_time = LLONG_MAX;
+ }
+ garp_rarp->backoff = MIN(arp_nd_max_timeout, garp_rarp->backoff * 2);
+
+ return garp_rarp->announce_time;
+}
+
+static void
+send_arp_nd_run(struct rconn *swconn, long long int *send_arp_nd_time)
+ OVS_REQUIRES(pinctrl_mutex)
+{
+ if (shash_is_empty(&send_arp_nd_data)) {
+ return;
+ }
+
+ /* Send ARPs, and update the next announcement. */
+ long long int current_time = time_msec();
+ *send_arp_nd_time = LLONG_MAX;
+
+ struct shash_node *iter;
+ SHASH_FOR_EACH (iter, &send_arp_nd_data) {
+ long long int next_announce = send_arp_nd(swconn, iter->data,
+ current_time);
+ if (*send_arp_nd_time > next_announce) {
+ *send_arp_nd_time = next_announce;
+ }
+ }
+}
+
/* Called by pinctrl_run(). Runs with in the main ovn-controller
* thread context. */
static void
@@ -6563,6 +6753,7 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
struct ovsdb_idl_index *sbrec_port_binding_by_datapath,
struct ovsdb_idl_index *sbrec_port_binding_by_name,
struct ovsdb_idl_index *sbrec_mac_binding_by_lport_ip,
+ const struct sbrec_ecmp_nexthop_table *ecmp_nh_table,
const struct ovsrec_bridge *br_int,
const struct sbrec_chassis *chassis,
const struct hmap *local_datapaths,
@@ -6572,10 +6763,13 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
{
struct sset localnet_vifs = SSET_INITIALIZER(&localnet_vifs);
struct sset local_l3gw_ports = SSET_INITIALIZER(&local_l3gw_ports);
+ struct smap local_ecmp_nexthop_map =
+ SMAP_INITIALIZER(&local_ecmp_nexthop_map);
struct sset nat_ip_keys = SSET_INITIALIZER(&nat_ip_keys);
struct shash nat_addresses;
unsigned long long garp_max_timeout = GARP_RARP_DEF_MAX_TIMEOUT;
- bool garp_continuous = false;
+ unsigned long long max_arp_nd_timeout = GARP_RARP_DEF_MAX_TIMEOUT;
+ bool garp_continuous = false, continuous_arp_nd = true;
const struct ovsrec_open_vswitch *cfg =
ovsrec_open_vswitch_table_first(ovs_table);
if (cfg) {
@@ -6585,6 +6779,11 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
if (!garp_max_timeout) {
garp_max_timeout = GARP_RARP_DEF_MAX_TIMEOUT;
}
+
+ max_arp_nd_timeout = smap_get_ullong(
+ &cfg->external_ids, "arp-nd-max-timeout-sec",
+ GARP_RARP_DEF_MAX_TIMEOUT / 1000) * 1000;
+ continuous_arp_nd = !!max_arp_nd_timeout;
}
shash_init(&nat_addresses);
@@ -6598,13 +6797,23 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
&nat_ip_keys, &local_l3gw_ports,
chassis, active_tunnels,
&nat_addresses);
+
+ get_local_ecmp_nexthop_map(ecmp_nh_table, sbrec_port_binding_by_name,
+ chassis, &local_ecmp_nexthop_map);
+
/* For deleted ports and deleted nat ips, remove from
* send_garp_rarp_data. */
struct shash_node *iter;
SHASH_FOR_EACH_SAFE (iter, &send_garp_rarp_data) {
if (!sset_contains(&localnet_vifs, iter->name) &&
!sset_contains(&nat_ip_keys, iter->name)) {
- send_garp_rarp_delete(iter->name);
+ send_garp_rarp_delete(&send_garp_rarp_data, iter->name);
+ }
+ }
+
+ SHASH_FOR_EACH_SAFE (iter, &send_arp_nd_data) {
+ if (!smap_get(&local_ecmp_nexthop_map, iter->name)) {
+ send_garp_rarp_delete(&send_arp_nd_data, iter->name);
}
}
@@ -6633,10 +6842,21 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
}
}
+ struct smap_node *node;
+ SMAP_FOR_EACH (node, &local_ecmp_nexthop_map) {
+ const struct sbrec_port_binding *pb = lport_lookup_by_name(
+ sbrec_port_binding_by_name, node->value);
+ if (pb) {
+ send_arp_nd_update(pb, node->key, max_arp_nd_timeout,
+ continuous_arp_nd);
+ }
+ }
+
/* pinctrl_handler thread will send the GARPs. */
sset_destroy(&localnet_vifs);
sset_destroy(&local_l3gw_ports);
+ smap_destroy(&local_ecmp_nexthop_map);
SHASH_FOR_EACH_SAFE (iter, &nat_addresses) {
struct lport_addresses *laddrs = iter->data;
@@ -6650,6 +6870,9 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn *ovnsb_idl_txn,
garp_rarp_max_timeout = garp_max_timeout;
garp_rarp_continuous = garp_continuous;
+
+ arp_nd_max_timeout = max_arp_nd_timeout;
+ arp_nd_continuous = continuous_arp_nd;
}
static bool
@@ -36,6 +36,7 @@ struct sbrec_dns_table;
struct sbrec_controller_event_table;
struct sbrec_service_monitor_table;
struct sbrec_bfd_table;
+struct sbrec_ecmp_nexthop_table;
struct sbrec_port_binding;
struct sbrec_mac_binding_table;
@@ -54,6 +55,7 @@ void pinctrl_run(struct ovsdb_idl_txn *ovnsb_idl_txn,
const struct sbrec_service_monitor_table *,
const struct sbrec_mac_binding_table *,
const struct sbrec_bfd_table *,
+ const struct sbrec_ecmp_nexthop_table *,
const struct ovsrec_bridge *, const struct sbrec_chassis *,
const struct hmap *local_datapaths,
const struct sset *active_tunnels,
Introduce the capbility to periodically send ARP/ND packets for ECMP nexthops in order to resolve their L2 address. This is a preliminary patch to introduce the capability to flush stale ECMP CT entries. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> --- controller/ovn-controller.8.xml | 11 ++ controller/ovn-controller.c | 2 + controller/pinctrl.c | 269 +++++++++++++++++++++++++++++--- controller/pinctrl.h | 2 + 4 files changed, 261 insertions(+), 23 deletions(-)