diff options
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_sync.c')
-rw-r--r-- | net/netfilter/ipvs/ip_vs_sync.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 2fc66394d86d..f4484719f3e6 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -425,6 +425,16 @@ ip_vs_sync_buff_create_v0(struct netns_ipvs *ipvs) return sb; } +/* Check if connection is controlled by persistence */ +static inline bool in_persistence(struct ip_vs_conn *cp) +{ + for (cp = cp->control; cp; cp = cp->control) { + if (cp->flags & IP_VS_CONN_F_TEMPLATE) + return true; + } + return false; +} + /* Check if conn should be synced. * pkts: conn packets, use sysctl_sync_threshold to avoid packet check * - (1) sync_refresh_period: reduce sync rate. Additionally, retry @@ -447,6 +457,8 @@ static int ip_vs_sync_conn_needed(struct netns_ipvs *ipvs, /* Check if we sync in current state */ if (unlikely(cp->flags & IP_VS_CONN_F_TEMPLATE)) force = 0; + else if (unlikely(sysctl_sync_persist_mode(ipvs) && in_persistence(cp))) + return 0; else if (likely(cp->protocol == IPPROTO_TCP)) { if (!((1 << cp->state) & ((1 << IP_VS_TCP_S_ESTABLISHED) | |