From: Peng He <hepeng.0...@bytedance.com>
Silimar to the patch fffd3ae2866255cb740457b50a217c0b586f9223,
when change from flow into the netlink format, the tail padding of
nd_extension should be cleared.
this fixes the following warning logs:
2020-07-28T05:54:33.298Z|00001|15081|ofproto_dpif_upcall(pmd-c71/id:14)|WARN|Conflicting
ukey for flows:
ufid:763c7d3b-4d0c-4bff-aafc-fdfb6089c2ba
skb_priority(0),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),recirc_id(0),dp_hash(0),in_port(6),packet_type(ns=0,id=0),eth(src=fa:16:3e:75:b3:a9,dst=33:33:ff:00:00:01),eth_type(0x86dd),ipv6(src=fdbd:dc02:ff:1:1:225:72:102,dst=ff02::1:ff00:1,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fdbd:dc02:ff:1:1::1,sll=fa:16:3e:75:b3:a9,tll=00:00:00:00:00:00),nd_ext(nd_reserved=0x0,nd_options_type=1)
ufid:763c7d3b-4d0c-4bff-aafc-fdfb6089c2ba
skb_priority(0),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),recirc_id(0),dp_hash(0),in_port(6),packet_type(ns=0,id=0),eth(src=fa:16:3e:75:b3:a9,dst=33:33:ff:00:00:01),eth_type(0x86dd),ipv6(src=fdbd:dc02:ff:1:1:225:72:102,dst=ff02::1:ff00:1,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fdbd:dc02:ff:1:1::1,sll=fa:16:3e:75:b3:a9,tll=00:00:00:00:00:00),nd_ext(nd_reserved=0x0,nd_options_type=1)
2020-07-28T05:54:33.298Z|00002|15081|ofproto_dpif_upcall(pmd-c71/id:14)|WARN|upcall_cb
failure: ukey installation fails
Signed-off-by: Peng He <hepeng.0...@bytedance.com>
---
lib/odp-util.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/odp-util.c b/lib/odp-util.c
index e54a78b43..617aa341a 100644
--- a/lib/odp-util.c
+++ b/lib/odp-util.c
@@ -6357,7 +6357,8 @@ odp_flow_key_from_flow__(const struct odp_flow_key_parms
*parms,
struct ovs_key_nd_extensions *nd_ext_key;
if (data->igmp_group_ip4 != 0 || data->tcp_flags != 0) {
- nd_ext_key = nl_msg_put_unspec_uninit(buf,
+ /* 'struct ovs_key_nd_extensions' has padding, clear
it. */
+ nd_ext_key = nl_msg_put_unspec_zero(buf,
OVS_KEY_ATTR_ND_EXTENSIONS,
sizeof *nd_ext_key);
nd_ext_key->nd_reserved = data->igmp_group_ip4;
--
2.20.1
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