diff options
| author | Inju Song <inju.song@navercorp.com> | 2018-03-27 23:14:40 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2018-04-09 10:10:55 +0300 |
| commit | a2c09ac0fb6756d7085c359b6c020ef8b4205e0f (patch) | |
| tree | 50de62dc7382363b4dce510f1d3fb31310a4170f /net/netfilter/ipvs | |
| parent | 535101ec884533a288f7ea35ad93cf28c89cb764 (diff) | |
netfilter: ipvs: Keep latest weight of destination
The hashing table in scheduler such as source hash or maglev hash
should ignore the changed weight to 0 and allow changing the weight
from/to non-0 values. So, struct ip_vs_dest needs to keep weight
with latest non-0 weight.
Signed-off-by: Inju Song <inju.song@navercorp.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'net/netfilter/ipvs')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 5ebde4b15810..b91bb70ece92 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -821,6 +821,10 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, if (add && udest->af != svc->af) ipvs->mixed_address_family_dests++; + /* keep the last_weight with latest non-0 weight */ + if (add || udest->weight != 0) + atomic_set(&dest->last_weight, udest->weight); + /* set the weight and the flags */ atomic_set(&dest->weight, udest->weight); conn_flags = udest->conn_flags & IP_VS_CONN_F_DEST_MASK; |